subject:(wireless)

Hong Kong University of Science and Technology

1. Zhang, Shengkai. On the utility of concave nodes in geometric processing of large-scale sensor networks.

Degree: 2014, Hong Kong University of Science and Technology

URL: http://repository.ust.hk/ir/Record/1783.1-71875 ; https://doi.org/10.14711/thesis-b1347260 ; http://repository.ust.hk/ir/bitstream/1783.1-71875/1/th_redirect.html

► As a sensor network grows large, it may become increasingly complex in topology due to its close ties to the surrounding environment. Previous work has… (more)

Subjects/Keywords: Wireless sensor networks ; Wireless localization

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APA (6^th Edition):

Zhang, S. (2014). On the utility of concave nodes in geometric processing of large-scale sensor networks. (Thesis). Hong Kong University of Science and Technology. Retrieved from http://repository.ust.hk/ir/Record/1783.1-71875 ; https://doi.org/10.14711/thesis-b1347260 ; http://repository.ust.hk/ir/bitstream/1783.1-71875/1/th_redirect.html

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Zhang, Shengkai. “On the utility of concave nodes in geometric processing of large-scale sensor networks.” 2014. Thesis, Hong Kong University of Science and Technology. Accessed February 26, 2021. http://repository.ust.hk/ir/Record/1783.1-71875 ; https://doi.org/10.14711/thesis-b1347260 ; http://repository.ust.hk/ir/bitstream/1783.1-71875/1/th_redirect.html.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Zhang, Shengkai. “On the utility of concave nodes in geometric processing of large-scale sensor networks.” 2014. Web. 26 Feb 2021.

Vancouver:

Zhang S. On the utility of concave nodes in geometric processing of large-scale sensor networks. [Internet] [Thesis]. Hong Kong University of Science and Technology; 2014. [cited 2021 Feb 26]. Available from: http://repository.ust.hk/ir/Record/1783.1-71875 ; https://doi.org/10.14711/thesis-b1347260 ; http://repository.ust.hk/ir/bitstream/1783.1-71875/1/th_redirect.html.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Zhang S. On the utility of concave nodes in geometric processing of large-scale sensor networks. [Thesis]. Hong Kong University of Science and Technology; 2014. Available from: http://repository.ust.hk/ir/Record/1783.1-71875 ; https://doi.org/10.14711/thesis-b1347260 ; http://repository.ust.hk/ir/bitstream/1783.1-71875/1/th_redirect.html

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Auckland

2. Roggendorf, Matthias. Dynamic pricing of wireless network resources in a competitive provider setting.

Degree: 2008, University of Auckland

URL: http://hdl.handle.net/2292/2880

► The ongoing convergence of cell-based wireless systems, from proprietary standards for data transmission toward a unifying approach based on the Internet Protocol (IP), as well… (more)

▼ The ongoing convergence of cell-based wireless systems, from proprietary standards for data transmission toward a unifying approach based on the Internet Protocol (IP), as well as the increasing ability of wireless computer networks to support Quality-of-Service, opens up a tremendous potential for new business models and is expected to significantly alter the way mobile and wireless services are provided. An important field of study is about understanding the implications on the competitive structure of the wireless market. With the technical barriers between di erent technologies more and more diminishing, it becomes possible for customers to select network access on-demand instead of entering long-term contracts with a single wireless network provider based on factors such as connection speed, level of mobility and prices. In such a setting, wireless network providers, but also the regulatory bodies designing the principle market rules, need to learn about new ways of allocating resources among customers to reach their objectives. With resources being available on-demand, pricing becomes an important factor for controlling demand and distributing resources among users. Instead of being fixed over longer periods, pricing can be used for signalling the congestion levels in di erent wireless networks and to let users communicate their willingness-to-pay to the market. Besides presenting a classification framework for pricing in wireless networks and providing a comprehensive review of the relevant literature, the main contributions of this thesis are on the development of behavioural strategies, which di erent entities can follow in the described scenarios. In the first scenario we regard wireless resources as a public good, which should be efficiently allocated among active customers. By letting each provider use a second price auction, with each customer being able to bundle resources from multiple providers, we develop a bidding strategy, which allows customers to distribute their demand among providers. The bidding strategy resembles truth-telling in such a market and is shown to be the best strategy a user can follow to fulfill his demand. We examine the properties of the system analytically and present the results of an extensive simulation study. In the second scenario we model a free market for wireless resources on which prices are determined at the time of request. With customers having more than one option to obtain resources, the task of a provider becomes setting prices so that it maximises revenue under partial or full competition. We discuss the constrained maximisation problem and analyse the situation of a two-provider setting as a game. Simulation is used to analyse the game under uncertainty and to understand if a steady-state situation arises. While the results make use of multiple simplifications to allow us to understand the main model variables, the findings can potentially be of interest for providers and market authorities to develop new ways for resource allocation using dynamic… Advisors/Committee Members: Dr. Fernando Beltra??n, Dr. Jairo Gutie??rrez.

Subjects/Keywords: Wireless; Pricing

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APA (6^th Edition):

Roggendorf, M. (2008). Dynamic pricing of wireless network resources in a competitive provider setting. (Doctoral Dissertation). University of Auckland. Retrieved from http://hdl.handle.net/2292/2880

Chicago Manual of Style (16^th Edition):

Roggendorf, Matthias. “Dynamic pricing of wireless network resources in a competitive provider setting.” 2008. Doctoral Dissertation, University of Auckland. Accessed February 26, 2021. http://hdl.handle.net/2292/2880.

MLA Handbook (7^th Edition):

Roggendorf, Matthias. “Dynamic pricing of wireless network resources in a competitive provider setting.” 2008. Web. 26 Feb 2021.

Vancouver:

Roggendorf M. Dynamic pricing of wireless network resources in a competitive provider setting. [Internet] [Doctoral dissertation]. University of Auckland; 2008. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/2292/2880.

Council of Science Editors:

Roggendorf M. Dynamic pricing of wireless network resources in a competitive provider setting. [Doctoral Dissertation]. University of Auckland; 2008. Available from: http://hdl.handle.net/2292/2880

3. Behin, Sam S. Artificial neural network and fuzzy based approaches for reliable and Secure routing in wireless ad hoc Networks; -.

Degree: Science and Humanities, 2014, Anna University

URL: http://shodhganga.inflibnet.ac.in/handle/10603/26402

►

newlineAd hoc networking is one of the most challenging areas of wireless newlineCommunication An ad hoc network can be broadly defined as a fast newlinedeployable… (more)

Subjects/Keywords: wireless Communication

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APA (6^th Edition):

Behin, S. S. (2014). Artificial neural network and fuzzy based approaches for reliable and Secure routing in wireless ad hoc Networks; -. (Thesis). Anna University. Retrieved from http://shodhganga.inflibnet.ac.in/handle/10603/26402

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Behin, Sam S. “Artificial neural network and fuzzy based approaches for reliable and Secure routing in wireless ad hoc Networks; -.” 2014. Thesis, Anna University. Accessed February 26, 2021. http://shodhganga.inflibnet.ac.in/handle/10603/26402.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Behin, Sam S. “Artificial neural network and fuzzy based approaches for reliable and Secure routing in wireless ad hoc Networks; -.” 2014. Web. 26 Feb 2021.

Vancouver:

Behin SS. Artificial neural network and fuzzy based approaches for reliable and Secure routing in wireless ad hoc Networks; -. [Internet] [Thesis]. Anna University; 2014. [cited 2021 Feb 26]. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/26402.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Behin SS. Artificial neural network and fuzzy based approaches for reliable and Secure routing in wireless ad hoc Networks; -. [Thesis]. Anna University; 2014. Available from: http://shodhganga.inflibnet.ac.in/handle/10603/26402

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Nairobi

4. Mburu, Stephen N. Mobile wireless transactions: a framework for secure funds transfer services .

Degree: 2009, University of Nairobi

URL: http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/23644

► One of the recent developments in mobile wireless applications is the introduction of mobile commerce using mobile devices such as PDAs, cellular phones and notebook… (more)

Subjects/Keywords: Mobile Wireless

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APA (6^th Edition):

Mburu, S. N. (2009). Mobile wireless transactions: a framework for secure funds transfer services . (Thesis). University of Nairobi. Retrieved from http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/23644

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Mburu, Stephen N. “Mobile wireless transactions: a framework for secure funds transfer services .” 2009. Thesis, University of Nairobi. Accessed February 26, 2021. http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/23644.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Mburu, Stephen N. “Mobile wireless transactions: a framework for secure funds transfer services .” 2009. Web. 26 Feb 2021.

Vancouver:

Mburu SN. Mobile wireless transactions: a framework for secure funds transfer services . [Internet] [Thesis]. University of Nairobi; 2009. [cited 2021 Feb 26]. Available from: http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/23644.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Mburu SN. Mobile wireless transactions: a framework for secure funds transfer services . [Thesis]. University of Nairobi; 2009. Available from: http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/23644

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Oregon State University

5. Woracheewan, Sirikarn. Measurement and characterization of ultra-wideband wireless interconnects within active computing systems.

Degree: MS, Electrical and Computer Engineering, 2010, Oregon State University

URL: http://hdl.handle.net/1957/19409

► Ultra-wideband (UWB) radio has become an attractive alternative for wireless communications due to the robustness to multipath fading, low power transmission, mostly-digital implementation, and low… (more)

Subjects/Keywords: Wireless interconnects

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APA (6^th Edition):

Woracheewan, S. (2010). Measurement and characterization of ultra-wideband wireless interconnects within active computing systems. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/19409

Chicago Manual of Style (16^th Edition):

Woracheewan, Sirikarn. “Measurement and characterization of ultra-wideband wireless interconnects within active computing systems.” 2010. Masters Thesis, Oregon State University. Accessed February 26, 2021. http://hdl.handle.net/1957/19409.

MLA Handbook (7^th Edition):

Woracheewan, Sirikarn. “Measurement and characterization of ultra-wideband wireless interconnects within active computing systems.” 2010. Web. 26 Feb 2021.

Vancouver:

Woracheewan S. Measurement and characterization of ultra-wideband wireless interconnects within active computing systems. [Internet] [Masters thesis]. Oregon State University; 2010. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/1957/19409.

Council of Science Editors:

Woracheewan S. Measurement and characterization of ultra-wideband wireless interconnects within active computing systems. [Masters Thesis]. Oregon State University; 2010. Available from: http://hdl.handle.net/1957/19409

Oregon State University

6. Lertsutthiwong, Monchai. Protocol design and optimization for wireless networks.

Degree: PhD, Electrical and Computer Engineering, 2010, Oregon State University

URL: http://hdl.handle.net/1957/19551

► We investigate a number of techniques for increasing throughput and quality of media applications over wireless networks. A typical media communication application such as video… (more)

Subjects/Keywords: Wireless Networks

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APA (6^th Edition):

Lertsutthiwong, M. (2010). Protocol design and optimization for wireless networks. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/19551

Chicago Manual of Style (16^th Edition):

Lertsutthiwong, Monchai. “Protocol design and optimization for wireless networks.” 2010. Doctoral Dissertation, Oregon State University. Accessed February 26, 2021. http://hdl.handle.net/1957/19551.

MLA Handbook (7^th Edition):

Lertsutthiwong, Monchai. “Protocol design and optimization for wireless networks.” 2010. Web. 26 Feb 2021.

Vancouver:

Lertsutthiwong M. Protocol design and optimization for wireless networks. [Internet] [Doctoral dissertation]. Oregon State University; 2010. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/1957/19551.

Council of Science Editors:

Lertsutthiwong M. Protocol design and optimization for wireless networks. [Doctoral Dissertation]. Oregon State University; 2010. Available from: http://hdl.handle.net/1957/19551

AUT University

7. Walker, Craig Graham. Development of a Wireless Friendly Fire Prevention System Model .

Degree: 2011, AUT University

URL: http://hdl.handle.net/10292/1189

► While hunting animals is not considered the most ethical of activities, it is in most regions of the world considered sport, and in some locations… (more)

▼ While hunting animals is not considered the most ethical of activities, it is in most regions of the world considered sport, and in some locations still a process of food gathering. The focus of this research is on the accidental shooting of hunters by hunters. The hunting accident is an all to common event experienced throughout the world since mankind first hunted for a meal with a ranged weapon. Now with the use of wireless technology an electronic safeguard system can be designed that will aid in preventing hunting accidents. This thesis will present a method of friendly fire prevention and will attempt to test this concept as a viable solution to the problem. The concept presented here investigates into the use of location based systems combined with directional data acquisition systems, integrated with a networking ability to pass data between sensor interfacing clones of itself. The principle of the concept is to use both the sensor and networked data acquired to conclude on a possible dangerous shot situation and hence gaining the ability to alert the hunter who’s aim is causing the dangerous situation. This project is composed of the generation of a modelling application that is used to generate dangerous shooting situations between simulated hunters and to test the concept friendly fire prevention method desired. Further more this project contains the development of a physical prototype with contained embedded code written to simulate sections of the desired friendly fire prevention method. This prototype system has the chosen sensors individually tested to show the level and quality of data available to the intelligence of the prototype. This intelligence is in turn tested as a completed example of the concept functioning. Results from the model will show that even a simple system can provide up to 17% protection coverage from all dangerous shots up to 1000m. Other specific results generated indicated that approximately 25% of hunters mistakenly targeted due to vegetation up to a range of 500m could be saved using this friendly fire prevention method. Advisors/Committee Members: Al-Anbuky, Adnan (advisor).

Subjects/Keywords: Wireless; Hunting

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APA (6^th Edition):

Walker, C. G. (2011). Development of a Wireless Friendly Fire Prevention System Model . (Thesis). AUT University. Retrieved from http://hdl.handle.net/10292/1189

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Walker, Craig Graham. “Development of a Wireless Friendly Fire Prevention System Model .” 2011. Thesis, AUT University. Accessed February 26, 2021. http://hdl.handle.net/10292/1189.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Walker, Craig Graham. “Development of a Wireless Friendly Fire Prevention System Model .” 2011. Web. 26 Feb 2021.

Vancouver:

Walker CG. Development of a Wireless Friendly Fire Prevention System Model . [Internet] [Thesis]. AUT University; 2011. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/10292/1189.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Walker CG. Development of a Wireless Friendly Fire Prevention System Model . [Thesis]. AUT University; 2011. Available from: http://hdl.handle.net/10292/1189

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Debrecen

8. Buda, Sándor. Egy működő kommunikációs hálózat elemzése, tesztelése .

Degree: DE – TEK – Informatikai Kar, 2012, University of Debrecen

URL: http://hdl.handle.net/2437/120394

Szakdolgozatomban a nyíregyházi Inczédy György Középiskola, Szakiskola és Kollégium számítógépes hálózatának bemutatása. Az iskola jelenlegi rendszerének felmérése, elemzése és tesztelése. Témám középpontjában a hálózat jellemzése áll, eszközeinek bemutatása felépítésük és működésük szempontjából, ugyanakkor a manapság használatos újabb eszközök és technológiák ismertetésére is törekedtem. Advisors/Committee Members: Almási, Béla (advisor).

Subjects/Keywords: wireless; trönk

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APA (6^th Edition):

Buda, S. (2012). Egy működő kommunikációs hálózat elemzése, tesztelése . (Thesis). University of Debrecen. Retrieved from http://hdl.handle.net/2437/120394

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Buda, Sándor. “Egy működő kommunikációs hálózat elemzése, tesztelése .” 2012. Thesis, University of Debrecen. Accessed February 26, 2021. http://hdl.handle.net/2437/120394.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Buda, Sándor. “Egy működő kommunikációs hálózat elemzése, tesztelése .” 2012. Web. 26 Feb 2021.

Vancouver:

Buda S. Egy működő kommunikációs hálózat elemzése, tesztelése . [Internet] [Thesis]. University of Debrecen; 2012. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/2437/120394.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Buda S. Egy működő kommunikációs hálózat elemzése, tesztelése . [Thesis]. University of Debrecen; 2012. Available from: http://hdl.handle.net/2437/120394

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Debrecen

9. Haraszti, Gergő. Wireless rendszerek hatékonysági vizsgálatai .

Degree: DE – TEK – Informatikai Kar, 2013, University of Debrecen

URL: http://hdl.handle.net/2437/177591

► A Bocskai István Gimnázium nem rendelkezik vezeték nélküli interneteléréssel. Célom egy olyan konstrukció felépítése, amit a későbbiekben a kialakításhoz fel tudnak használni. Szakdolgozatomban kitérek a… (more)

Subjects/Keywords: hálózat; wireless

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APA (6^th Edition):

Haraszti, G. (2013). Wireless rendszerek hatékonysági vizsgálatai . (Thesis). University of Debrecen. Retrieved from http://hdl.handle.net/2437/177591

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Haraszti, Gergő. “Wireless rendszerek hatékonysági vizsgálatai .” 2013. Thesis, University of Debrecen. Accessed February 26, 2021. http://hdl.handle.net/2437/177591.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Haraszti, Gergő. “Wireless rendszerek hatékonysági vizsgálatai .” 2013. Web. 26 Feb 2021.

Vancouver:

Haraszti G. Wireless rendszerek hatékonysági vizsgálatai . [Internet] [Thesis]. University of Debrecen; 2013. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/2437/177591.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Haraszti G. Wireless rendszerek hatékonysági vizsgálatai . [Thesis]. University of Debrecen; 2013. Available from: http://hdl.handle.net/2437/177591

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Debrecen

10. Ugah, Chukwudi. Wireless and Wired Networking .

Degree: DE – TEK – Informatikai Kar, 2012, University of Debrecen

URL: http://hdl.handle.net/2437/129527

► In this document, I am going to discuss about wireless and wired networks, but before I go further into these topics I would like to… (more)

Subjects/Keywords: Wireless; Wired

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APA (6^th Edition):

Ugah, C. (2012). Wireless and Wired Networking . (Thesis). University of Debrecen. Retrieved from http://hdl.handle.net/2437/129527

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ugah, Chukwudi. “Wireless and Wired Networking .” 2012. Thesis, University of Debrecen. Accessed February 26, 2021. http://hdl.handle.net/2437/129527.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ugah, Chukwudi. “Wireless and Wired Networking .” 2012. Web. 26 Feb 2021.

Vancouver:

Ugah C. Wireless and Wired Networking . [Internet] [Thesis]. University of Debrecen; 2012. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/2437/129527.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ugah C. Wireless and Wired Networking . [Thesis]. University of Debrecen; 2012. Available from: http://hdl.handle.net/2437/129527

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Hong Kong University of Science and Technology

11. Hu, Tianyang CSE. Towards practical deployment of Wi-Fi fingerprint-based indoor localization.

Degree: 2015, Hong Kong University of Science and Technology

URL: http://repository.ust.hk/ir/Record/1783.1-93203 ; https://doi.org/10.14711/thesis-b1514761 ; http://repository.ust.hk/ir/bitstream/1783.1-93203/1/th_redirect.html

► Wi-Fi fingerprint-based techniques for indoor localization have attracted extensive research interest and various algorithms have been proposed to improve localization accuracy. There are several challenges… (more)

Subjects/Keywords: Wireless localization

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APA (6^th Edition):

Hu, T. C. (2015). Towards practical deployment of Wi-Fi fingerprint-based indoor localization. (Thesis). Hong Kong University of Science and Technology. Retrieved from http://repository.ust.hk/ir/Record/1783.1-93203 ; https://doi.org/10.14711/thesis-b1514761 ; http://repository.ust.hk/ir/bitstream/1783.1-93203/1/th_redirect.html

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Hu, Tianyang CSE. “Towards practical deployment of Wi-Fi fingerprint-based indoor localization.” 2015. Thesis, Hong Kong University of Science and Technology. Accessed February 26, 2021. http://repository.ust.hk/ir/Record/1783.1-93203 ; https://doi.org/10.14711/thesis-b1514761 ; http://repository.ust.hk/ir/bitstream/1783.1-93203/1/th_redirect.html.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Hu, Tianyang CSE. “Towards practical deployment of Wi-Fi fingerprint-based indoor localization.” 2015. Web. 26 Feb 2021.

Vancouver:

Hu TC. Towards practical deployment of Wi-Fi fingerprint-based indoor localization. [Internet] [Thesis]. Hong Kong University of Science and Technology; 2015. [cited 2021 Feb 26]. Available from: http://repository.ust.hk/ir/Record/1783.1-93203 ; https://doi.org/10.14711/thesis-b1514761 ; http://repository.ust.hk/ir/bitstream/1783.1-93203/1/th_redirect.html.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Hu TC. Towards practical deployment of Wi-Fi fingerprint-based indoor localization. [Thesis]. Hong Kong University of Science and Technology; 2015. Available from: http://repository.ust.hk/ir/Record/1783.1-93203 ; https://doi.org/10.14711/thesis-b1514761 ; http://repository.ust.hk/ir/bitstream/1783.1-93203/1/th_redirect.html

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Universidad de Cantabria

12. Elvira Arregui, Víctor. Baseband Processing in Analog Combining MIMO Systems: From Theoretical Design to FPGA Implementation: Procesado Banda Base en sistemas MIMO basados en combinación analógica de antenas : del diseño teórico a la implementación FPGA : tesis doctoral.

Degree: 2011, Universidad de Cantabria

URL: http://hdl.handle.net/10902/1343

► ABSTRACT: In this thesis, we consider an analog antenna combining architecture for a MIMO wireless transceiver, while pointing out its advantages with respect to the… (more)

Subjects/Keywords: Wireless communications

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APA (6^th Edition):

Elvira Arregui, V. (2011). Baseband Processing in Analog Combining MIMO Systems: From Theoretical Design to FPGA Implementation: Procesado Banda Base en sistemas MIMO basados en combinación analógica de antenas : del diseño teórico a la implementación FPGA : tesis doctoral. (Doctoral Dissertation). Universidad de Cantabria. Retrieved from http://hdl.handle.net/10902/1343

Chicago Manual of Style (16^th Edition):

Elvira Arregui, Víctor. “Baseband Processing in Analog Combining MIMO Systems: From Theoretical Design to FPGA Implementation: Procesado Banda Base en sistemas MIMO basados en combinación analógica de antenas : del diseño teórico a la implementación FPGA : tesis doctoral.” 2011. Doctoral Dissertation, Universidad de Cantabria. Accessed February 26, 2021. http://hdl.handle.net/10902/1343.

MLA Handbook (7^th Edition):

Elvira Arregui, Víctor. “Baseband Processing in Analog Combining MIMO Systems: From Theoretical Design to FPGA Implementation: Procesado Banda Base en sistemas MIMO basados en combinación analógica de antenas : del diseño teórico a la implementación FPGA : tesis doctoral.” 2011. Web. 26 Feb 2021.

Vancouver:

Elvira Arregui V. Baseband Processing in Analog Combining MIMO Systems: From Theoretical Design to FPGA Implementation: Procesado Banda Base en sistemas MIMO basados en combinación analógica de antenas : del diseño teórico a la implementación FPGA : tesis doctoral. [Internet] [Doctoral dissertation]. Universidad de Cantabria; 2011. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/10902/1343.

Council of Science Editors:

Elvira Arregui V. Baseband Processing in Analog Combining MIMO Systems: From Theoretical Design to FPGA Implementation: Procesado Banda Base en sistemas MIMO basados en combinación analógica de antenas : del diseño teórico a la implementación FPGA : tesis doctoral. [Doctoral Dissertation]. Universidad de Cantabria; 2011. Available from: http://hdl.handle.net/10902/1343

Queens University

13. Abou Saleh, Hassan. Predictive Wireless Antenna Selection for High Mobility Conditions .

Degree: Electrical and Computer Engineering, 2013, Queens University

URL: http://hdl.handle.net/1974/7791

► Accurate channel knowledge is indispensable to the practical success of channel-aware wireless communication technologies. However, channel estimates obtained from pilot symbols rapidly become outdated due… (more)

▼ Accurate channel knowledge is indispensable to the practical success of channel-aware wireless communication technologies. However, channel estimates obtained from pilot symbols rapidly become outdated due to fast time variations of multipath fading channels. To reduce system cost, antenna subset selection reduces radio frequency (RF) chain components. For systems selecting a subset of a plurality of antennas for reception, this outdated channel information is a significant impediment to selection and data decoding reliability. In this thesis, training-based schemes for antenna selection (AS) for time-varying channels which account for practical constraints such as training, packetization and antenna switching time are proposed based on discrete prolate spheroidal sequences. They only operate with knowledge or estimates of the Doppler frequency and the channel signal-to-noise ratio (SNR), but do not require detailed statistical correlation knowledge. A pilot-based AS scheme for time-varying frequency-flat channels for single input-multiple output (SIMO) systems selecting one of a plurality of antennas using packet or symbol-rate antenna switching is first proposed. It is demonstrated that the presented scheme provides significant performance gain over AS methods using Fourier-based orthogonal training as well as over single antenna systems with perfect channel knowledge. Analytical expressions for the symbol error probability (SEP) of M-ary phase-shift keying (MPSK) for systems employing the suggested techniques are provided. The second part of this thesis investigates the more general case of selecting a subset of a plurality of receive antennas. A new pilot-based receive antenna subset selection algorithm for time-varying frequency-flat channels is presented. The proposed AS algorithm is shown to outperform AS methods based on Fourier prediction/estimation as well as SIMO systems with perfect channel knowledge. Analysis of MPSK and quadrature amplitude modulation (MQAM) SEP for systems with receive AS is provided. The combination of AS and orthogonal frequency division multiplexing (OFDM) over the more realistic time-varying and frequency-selective fading scenario is examined in the final part. Training schemes for receive AS using packet-rate antenna switching for SIMO and multiple input-multiple output (MIMO) OFDM systems are developed. The suggested schemes exhibit a superior performance over AS methods using either linear interpolation/extrapolation or Fourier prediction/estimation techniques.

Subjects/Keywords: Wireless Communications

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Abou Saleh, H. (2013). Predictive Wireless Antenna Selection for High Mobility Conditions . (Thesis). Queens University. Retrieved from http://hdl.handle.net/1974/7791

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Abou Saleh, Hassan. “Predictive Wireless Antenna Selection for High Mobility Conditions .” 2013. Thesis, Queens University. Accessed February 26, 2021. http://hdl.handle.net/1974/7791.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Abou Saleh, Hassan. “Predictive Wireless Antenna Selection for High Mobility Conditions .” 2013. Web. 26 Feb 2021.

Vancouver:

Abou Saleh H. Predictive Wireless Antenna Selection for High Mobility Conditions . [Internet] [Thesis]. Queens University; 2013. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/1974/7791.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Abou Saleh H. Predictive Wireless Antenna Selection for High Mobility Conditions . [Thesis]. Queens University; 2013. Available from: http://hdl.handle.net/1974/7791

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of New Orleans

14. Yu, Lei. Adaptive Predictive Handoff Scheme with Channel Borrowing in Cellular Network.

Degree: MS, Computer Science, 2003, University of New Orleans

URL: https://scholarworks.uno.edu/td/38

► Previously, we presented an extension of predictive channel reservation (PCR) scheme, called HPCR_CB, for handoff motivated by the rapid evolving technology of mobile positioning. In… (more)

Subjects/Keywords: wireless

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APA (6^th Edition):

Yu, L. (2003). Adaptive Predictive Handoff Scheme with Channel Borrowing in Cellular Network. (Thesis). University of New Orleans. Retrieved from https://scholarworks.uno.edu/td/38

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Yu, Lei. “Adaptive Predictive Handoff Scheme with Channel Borrowing in Cellular Network.” 2003. Thesis, University of New Orleans. Accessed February 26, 2021. https://scholarworks.uno.edu/td/38.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Yu, Lei. “Adaptive Predictive Handoff Scheme with Channel Borrowing in Cellular Network.” 2003. Web. 26 Feb 2021.

Vancouver:

Yu L. Adaptive Predictive Handoff Scheme with Channel Borrowing in Cellular Network. [Internet] [Thesis]. University of New Orleans; 2003. [cited 2021 Feb 26]. Available from: https://scholarworks.uno.edu/td/38.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Yu L. Adaptive Predictive Handoff Scheme with Channel Borrowing in Cellular Network. [Thesis]. University of New Orleans; 2003. Available from: https://scholarworks.uno.edu/td/38

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Virginia Tech

15. La Pan, Matthew Jonathan. Security Issues for Modern Communications Systems: Fundamental Electronic Warfare Tactics for 4G Systems and Beyond.

Degree: PhD, Electrical Engineering, 2014, Virginia Tech

URL: http://hdl.handle.net/10919/51042

► In the modern era of wireless communications, radios are becoming increasingly more cognitive. As the complexity and robustness of friendly communications increases, so do the… (more)

▼ In the modern era of wireless communications, radios are becoming increasingly more cognitive. As the complexity and robustness of friendly communications increases, so do the abilities of adversarial jammers. The potential uses and threats of these jammers directly pertain to fourth generation (4G) communication standards, as well as future standards employing similar physical layer technologies. This paper investigates a number of threats to the technologies utilized by 4G and future systems, as well as potential improvements to the security and robustness of these communications systems. The work undertaken highlights potential attacks at both the physical layer and the multiple access control (MAC) layer along with improvements to the technologies which they target. This work presents a series of intelligent, targeted jamming attacks against the orthogonal frequency division multiplexing (OFDM) synchronization process to demonstrate some security flaws in existing 4G technology, as well as to highlight some of the potential tools of a cognitive electronic warfare attack device. Performance analysis of the OFDM synchronization process are demonstrated in the presence of the efficient attacks, where in many cases complete denial of service is induced. A method for cross ambiguity function (CAF) based OFDM synchronization is presented as a security and mitigation tactic for 4G devices in the context of cognitive warfare scenarios. The method is shown to maintain comparable performance to other correlation based synchronization estimators while offering the benefit of a disguised preamble. Sync-amble randomization is also discussed as a combinatory strategy with CAF based OFDM synchronization to prevent cognitive jammers for tracking and targeting OFDM synchronization. Finally, this work presents a method for dynamic spectrum access (DSA) enabled radio identification based solely on radio frequency (RF) observation. This method represents the framework for which both the cognitive jammer and anti-jam radio would perform cognitive sensing in order to utilize the intelligent physical layer attack and mitigation strategies previously discussed. The identification algorithm is shown to be theoretically effective in classifying and identifying two DSA radios with distinct operating policies. Advisors/Committee Members: Clancy, Thomas Charles (committeechair), McGwier, Robert W. (committeechair), Reed, Jeffrey H. (committee member), Hancock, Kathleen L. (committee member), Shukla, Sandeep K. (committee member).

Subjects/Keywords: Wireless Communications

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

La Pan, M. J. (2014). Security Issues for Modern Communications Systems: Fundamental Electronic Warfare Tactics for 4G Systems and Beyond. (Doctoral Dissertation). Virginia Tech. Retrieved from http://hdl.handle.net/10919/51042

Chicago Manual of Style (16^th Edition):

La Pan, Matthew Jonathan. “Security Issues for Modern Communications Systems: Fundamental Electronic Warfare Tactics for 4G Systems and Beyond.” 2014. Doctoral Dissertation, Virginia Tech. Accessed February 26, 2021. http://hdl.handle.net/10919/51042.

MLA Handbook (7^th Edition):

La Pan, Matthew Jonathan. “Security Issues for Modern Communications Systems: Fundamental Electronic Warfare Tactics for 4G Systems and Beyond.” 2014. Web. 26 Feb 2021.

Vancouver:

La Pan MJ. Security Issues for Modern Communications Systems: Fundamental Electronic Warfare Tactics for 4G Systems and Beyond. [Internet] [Doctoral dissertation]. Virginia Tech; 2014. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/10919/51042.

Council of Science Editors:

La Pan MJ. Security Issues for Modern Communications Systems: Fundamental Electronic Warfare Tactics for 4G Systems and Beyond. [Doctoral Dissertation]. Virginia Tech; 2014. Available from: http://hdl.handle.net/10919/51042

University of Cape Town

16. Mukanyiligira, Didacienne. Virtualization of multicast services in WiMAX networks.

Degree: Image, Electrical Engineering, 2017, University of Cape Town

URL: http://hdl.handle.net/11427/27360

► Multicast service is one of the methods used to efficiently manage bandwidth when sending multimedia content. To improve bandwidth utilisation, virtualization is often invoked because… (more)

▼ Multicast service is one of the methods used to efficiently manage bandwidth when sending multimedia content. To improve bandwidth utilisation, virtualization is often invoked because of its additional features such as bandwidth sharing and support of services that require high volumes of transactional data. Currently, network providers are concerned with the bandwidth amount for efficient use of the limited wireless network capabilities and the provision of a better quality of service. The virtualization design of a multicast service framework should satisfy several objectives. For example, it should enable the interchange of service delivery between multiple networks with one shareable network infrastructure. Also, it should ensure efficient use of network resources and guarantee users' demands of Quality of Service (QoS). Thus, the design of virtualization of multicast service framework is a complex research study. Due to the bandwidth-related arguments, a strong focus has been put on technical issues that facilitate virtualization in wireless networks. A well-designed virtualized network guarantees users with the required quality service. Similarly, virtualization of multicast service is invoked to improve efficient utilisation of bandwidth in wireless networks. As wireless links prove to be unstable, packet loss is unavoidable when multicast service-oriented virtual artefacts are incorporated in wireless networks. In this thesis, a virtualized multicast framework was modelled by using Generalized Assignment Problem (GAP) methodology. Mixed Integer Linear Programing (MILP) was implemented in MATLAB to solve the GAP model. This was to optimise the allocation of multicast traffic to the appropriate virtual networks. Thus, the developed model allows users to have interchangeable services offered by multiple networks. Furthermore, Network Simulator version 3 (NS-3) was used to evaluate the performance of the virtualized multicast framework. Three applications, namely, voice over IP (VoIP), video streaming, and file download have been used to evaluate the performance of a multicast service virtualization framework in Worldwide Interoperability for Microwave Access (WiMAX) networks using NS-3. The performance evaluation was based on whether MILP is used or not used. The results of experimentation have revealed that there is good performance of virtual networks when multicast traffic is sent over one single virtual network instead of sending it over multiple virtual networks. Similarly, the results show that the bandwidth is efficiently used because the multicast traffic is not delivered through multiple virtual networks. Overall, the concepts, the investigations and the model presented in this thesis can enable mobile network providers to achieve efficient use of bandwidth and provide the necessary means to support services for QoS differentiations and guarantees. Also, the multicast service virtualization framework provides an excellent tool that can enable network providers to interchange services. The developed… Advisors/Committee Members: Murgu, Alexandru (advisor).

Subjects/Keywords: Wireless Networks

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Mukanyiligira, D. (2017). Virtualization of multicast services in WiMAX networks. (Thesis). University of Cape Town. Retrieved from http://hdl.handle.net/11427/27360

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Mukanyiligira, Didacienne. “Virtualization of multicast services in WiMAX networks.” 2017. Thesis, University of Cape Town. Accessed February 26, 2021. http://hdl.handle.net/11427/27360.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Mukanyiligira, Didacienne. “Virtualization of multicast services in WiMAX networks.” 2017. Web. 26 Feb 2021.

Vancouver:

Mukanyiligira D. Virtualization of multicast services in WiMAX networks. [Internet] [Thesis]. University of Cape Town; 2017. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/11427/27360.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Mukanyiligira D. Virtualization of multicast services in WiMAX networks. [Thesis]. University of Cape Town; 2017. Available from: http://hdl.handle.net/11427/27360

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Oregon State University

17. Yildirim, Ferhat (Ahmet Ferhat). Directional 60 GHz communication networks.

Degree: PhD, Electical and Computer Engineering, 2009, Oregon State University

URL: http://hdl.handle.net/1957/12844

► It is well known that multipath effects cause inter-symbol interference (ISI) for high-speed signaling and ultimately limit the achievable data rate at any frequency band.… (more)

Subjects/Keywords: Wireless communications; Wireless communication systems – Mathematical models

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APA (6^th Edition):

Yildirim, F. (. F. (2009). Directional 60 GHz communication networks. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/12844

Chicago Manual of Style (16^th Edition):

Yildirim, Ferhat (Ahmet Ferhat). “Directional 60 GHz communication networks.” 2009. Doctoral Dissertation, Oregon State University. Accessed February 26, 2021. http://hdl.handle.net/1957/12844.

MLA Handbook (7^th Edition):

Yildirim, Ferhat (Ahmet Ferhat). “Directional 60 GHz communication networks.” 2009. Web. 26 Feb 2021.

Vancouver:

Yildirim F(F. Directional 60 GHz communication networks. [Internet] [Doctoral dissertation]. Oregon State University; 2009. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/1957/12844.

Council of Science Editors:

Yildirim F(F. Directional 60 GHz communication networks. [Doctoral Dissertation]. Oregon State University; 2009. Available from: http://hdl.handle.net/1957/12844

Queensland University of Technology

18. Das Gupta, Jishu. Effect of pedestrian movement on MIMO-OFDM channel capacity in an indoor environment.

Degree: 2010, Queensland University of Technology

URL: https://eprints.qut.edu.au/38632/

► The rapid growth of mobile telephone use, satellite services, and now the wireless Internet and WLANs are generating tremendous changes in telecommunication and networking. As… (more)

▼ The rapid growth of mobile telephone use, satellite services, and now the wireless Internet and WLANs are generating tremendous changes in telecommunication and networking. As indoor wireless communications become more prevalent, modeling indoor radio wave propagation in populated environments is a topic of significant interest. Wireless MIMO communication exploits phenomena such as multipath propagation to increase data throughput and range, or reduce bit error rates, rather than attempting to eliminate effects of multipath propagation as traditional SISO communication systems seek to do. The MIMO approach can yield significant gains for both link and network capacities, with no additional transmitting power or bandwidth consumption when compared to conventional single-array diversity methods. When MIMO and OFDM systems are combined and deployed in a suitable rich scattering environment such as indoors, a significant capacity gain can be observed due to the assurance of multipath propagation. Channel variations can occur as a result of movement of personnel, industrial machinery, vehicles and other equipment moving within the indoor environment. The time-varying effects on the propagation channel in populated indoor environments depend on the different pedestrian traffic conditions and the particular type of environment considered. A systematic measurement campaign to study pedestrian movement effects in indoor MIMO-OFDM channels has not yet been fully undertaken. Measuring channel variations caused by the relative positioning of pedestrians is essential in the study of indoor MIMO-OFDM broadband wireless networks. Theoretically, due to high multipath scattering, an increase in MIMO-OFDM channel capacity is expected when pedestrians are present. However, measurements indicate that some reductions in channel capacity could be observed as the number of pedestrians approaches 10 due to a reduction in multipath conditions as more human bodies absorb the wireless signals. This dissertation presents a systematic characterization of the effects of pedestrians in indoor MIMO-OFDM channels. Measurement results, using the MIMO-OFDM channel sounder developed at the CSIRO ICT Centre, have been validated by a customized Geometric Optics-based ray tracing simulation. Based on measured and simulated MIMO-OFDM channel capacity and MIMO-OFDM capacity dynamic range, an improved deterministic model for MIMO-OFDM channels in indoor populated environments is presented. The model can be used for the design and analysis of future WLAN to be deployed in indoor environments. The results obtained show that, in both Fixed SNR and Fixed Tx for deterministic condition, the channel capacity dynamic range rose with the number of pedestrians as well as with the number of antenna combinations. In random scenarios with 10 pedestrians, an increment in channel capacity of up to 0.89 bits/sec/Hz in Fixed SNR and up to 1.52 bits/sec/Hz in Fixed Tx has been recorded compared to the one pedestrian scenario. In addition, from the results a maximum increase…

Subjects/Keywords: MIMO-OFDM; wireless communications; indoor wireless transmissions

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APA (6^th Edition):

Das Gupta, J. (2010). Effect of pedestrian movement on MIMO-OFDM channel capacity in an indoor environment. (Thesis). Queensland University of Technology. Retrieved from https://eprints.qut.edu.au/38632/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Das Gupta, Jishu. “Effect of pedestrian movement on MIMO-OFDM channel capacity in an indoor environment.” 2010. Thesis, Queensland University of Technology. Accessed February 26, 2021. https://eprints.qut.edu.au/38632/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Das Gupta, Jishu. “Effect of pedestrian movement on MIMO-OFDM channel capacity in an indoor environment.” 2010. Web. 26 Feb 2021.

Vancouver:

Das Gupta J. Effect of pedestrian movement on MIMO-OFDM channel capacity in an indoor environment. [Internet] [Thesis]. Queensland University of Technology; 2010. [cited 2021 Feb 26]. Available from: https://eprints.qut.edu.au/38632/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Das Gupta J. Effect of pedestrian movement on MIMO-OFDM channel capacity in an indoor environment. [Thesis]. Queensland University of Technology; 2010. Available from: https://eprints.qut.edu.au/38632/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Queen Mary, University of London

19. Munoz Torrico, Max O. Experimental characterisation of body-centric radio channels using wireless sensors.

Degree: PhD, 2012, Queen Mary, University of London

URL: http://qmro.qmul.ac.uk/xmlui/handle/123456789/8686 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.667066

► Wireless sensors and their applications have become increasingly attractive for industry, building automation and energy control, paving the way for new applications of sensor networks… (more)

▼ Wireless sensors and their applications have become increasingly attractive for industry, building automation and energy control, paving the way for new applications of sensor networks which go well beyond traditional sensor applications. In recent years, there has been a rapid growth in the number of wireless devices operating in close proximity to the human body. Wearable sensor nodes are growing popular not only in our normal living lifestyle, but also within healthcare and military applications, where different radio units operating in/on/off body communicate pervasively. Expectations go beyond the research visions, towards deployment in real-world applications that would empower business processes and future business cases. Although theoretical and simulation models give initial results of the antenna behaviour and the radio channel performance of wireless body area network (WBAN) devices, empirical data from different set of measurements still form an essential part of the radio propagation models. Usually, measurements are performed in laboratory facilities which are equipped with bulky and expensive RF instrumentation within calibrated and controllable environments; thus, the acquired data has the highest possible reliability. However, there are still measurement uncertainties due to cables and connections and significant variations when designs are deployed and measured in real scenarios, such as hospitals wards, commercial buildings or even the battle field. Consequently, more flexible and less expensive measurement tools are required. In this sense, wireless sensor nodes offer not only easiness to deploy or flexibility, but also adaptability to different environments. In this thesis, custom-built wireless sensor nodes are used to characterise different on-body radio channels operating in the IEEE 802.15.4 communication standard at the 2.45 GHz ISM band. Measurement results are also compared with those from the conventional technique using a Vector Network Analyser. The wireless sensor nodes not only diminished the effect of semi-rigid or flexible coaxial cables (scattering or radiation) used with the Vector Network Analyser (VNA), but also provided a more realistic response of the radio link channel. The performance of the wireless sensors is presented over each of the 16 different channels present at the 2.45 GHz band. Additionally, custom-built wireless sensors are used to characterise and model the performance of different on-body radio links in dynamic environments, such as jogging, rowing, and cycling. The use of wireless sensors proves to be less obstructive and more flexible than traditional measurements using coaxial cables, VNA or signal generators. The statistical analysis of different WBAN channels highlighted important radio propagation features which can be used as sport classifiers models and motion detection. Moreover, specific on-body radio propagation channels are further explored, with the aim to recognize physiological features such as motion pattern, breathing activity and heartbeat.…

Subjects/Keywords: 621.384; Electronic Engineering; Wireless networks; Wireless sensors

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APA (6^th Edition):

Munoz Torrico, M. O. (2012). Experimental characterisation of body-centric radio channels using wireless sensors. (Doctoral Dissertation). Queen Mary, University of London. Retrieved from http://qmro.qmul.ac.uk/xmlui/handle/123456789/8686 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.667066

Chicago Manual of Style (16^th Edition):

Munoz Torrico, Max O. “Experimental characterisation of body-centric radio channels using wireless sensors.” 2012. Doctoral Dissertation, Queen Mary, University of London. Accessed February 26, 2021. http://qmro.qmul.ac.uk/xmlui/handle/123456789/8686 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.667066.

MLA Handbook (7^th Edition):

Munoz Torrico, Max O. “Experimental characterisation of body-centric radio channels using wireless sensors.” 2012. Web. 26 Feb 2021.

Vancouver:

Munoz Torrico MO. Experimental characterisation of body-centric radio channels using wireless sensors. [Internet] [Doctoral dissertation]. Queen Mary, University of London; 2012. [cited 2021 Feb 26]. Available from: http://qmro.qmul.ac.uk/xmlui/handle/123456789/8686 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.667066.

Council of Science Editors:

Munoz Torrico MO. Experimental characterisation of body-centric radio channels using wireless sensors. [Doctoral Dissertation]. Queen Mary, University of London; 2012. Available from: http://qmro.qmul.ac.uk/xmlui/handle/123456789/8686 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.667066

Hong Kong University of Science and Technology

20. Li, Haochao. Towards efficient communication in WLANs based on cross-layer design.

Degree: 2014, Hong Kong University of Science and Technology

URL: http://repository.ust.hk/ir/Record/1783.1-63071 ; https://doi.org/10.14711/thesis-b1301520 ; http://repository.ust.hk/ir/bitstream/1783.1-63071/1/th_redirect.html

► Wireless communication is becoming an indispensable part of people’s daily life. Over the last decade, the widespread adoption of Wireless Local Area Networks (WLAN) has… (more)

▼ Wireless communication is becoming an indispensable part of people’s daily life. Over the last decade, the widespread adoption of Wireless Local Area Networks (WLAN) has triggered the proliferation of mobile devices, resulting in a dramatic growth in the amount of the mobile data traffic. To complement this growth in demand, there has been a steady advancement of the data rate in recent years. However, the high theoretical data rate often sustains a low actual throughput in the real world transmissions, referred as a low efficiency problem in wireless communication. Therefore, it is essential to achieve efficient communication in the wireless design. In traditional WLANs with point-to-point communication, the low efficiency problem is mainly induced by the coordination overhead. To avoid radio interference and packet collisions, coordination is required to allow multiple access in the multi-station WLANs. But the existing coordination schemes themselves account for too much of the transmission air time by exchanging control messages, resulting in a significant control overhead. This motivates us to provide a cost-effective coordination scheme in the wireless transmission. To achieve this, we propose a cross layer design, named hJam, for OFDM-based WLANs. Rather than interleaving or separating the control messages and data traffic as the traditional communication paradigms, hJam serves them together at the same time. By exploiting the redundancy in the preamble, the control messages are able to be transmitted in an attached manner with the data traffic. Therefore, hJam eliminates the control overhead by enabling the concurrent transmission of coordination message and traffic data to improve the coordination efficiency. Through extensive experiments, we have demonstrated the significant improvement of channel efficiency based on the design of hJam. In recent years, the emerging Multi-User Multiple-Input-Multiple-Output (MU-MIMO) has also attracted attention in wireless communication by allowing the concurrent transmissions among multiple transmitters to the same receiver. The traditional approaches only focus on the efficiency in the time domain by reducing the control overhead. Differently, the channel efficiency problem becomes even more challenging in MU-MIMO networks by introducing an extra dimension, i.e., spatial domain, for the concurrent transmission for multiple nodes. Through analysis, we investigate that it is crucial to utilize the antenna usage by ensuring as many as possible simultaneous streams sent to the AP in MU-MIMO networks. Therefore, channel utilization in MU-MIMO networks should consider both the time and spatial domain, i.e., the efficient channel time and antenna usage at AP. To achieve this, we propose a new MAC-PHY design, named CUTS, by using interference nulling for attaching the antenna information in frequency domain channel contention, combined with the technique ACK in the frequency domain using self-jamming. We have validated and proven the effectiveness on channel efficiency by using…

Subjects/Keywords: Wireless communication systems ; Wireless LANs ; Quality control

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Li, H. (2014). Towards efficient communication in WLANs based on cross-layer design. (Thesis). Hong Kong University of Science and Technology. Retrieved from http://repository.ust.hk/ir/Record/1783.1-63071 ; https://doi.org/10.14711/thesis-b1301520 ; http://repository.ust.hk/ir/bitstream/1783.1-63071/1/th_redirect.html

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Li, Haochao. “Towards efficient communication in WLANs based on cross-layer design.” 2014. Thesis, Hong Kong University of Science and Technology. Accessed February 26, 2021. http://repository.ust.hk/ir/Record/1783.1-63071 ; https://doi.org/10.14711/thesis-b1301520 ; http://repository.ust.hk/ir/bitstream/1783.1-63071/1/th_redirect.html.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Li, Haochao. “Towards efficient communication in WLANs based on cross-layer design.” 2014. Web. 26 Feb 2021.

Vancouver:

Li H. Towards efficient communication in WLANs based on cross-layer design. [Internet] [Thesis]. Hong Kong University of Science and Technology; 2014. [cited 2021 Feb 26]. Available from: http://repository.ust.hk/ir/Record/1783.1-63071 ; https://doi.org/10.14711/thesis-b1301520 ; http://repository.ust.hk/ir/bitstream/1783.1-63071/1/th_redirect.html.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Li H. Towards efficient communication in WLANs based on cross-layer design. [Thesis]. Hong Kong University of Science and Technology; 2014. Available from: http://repository.ust.hk/ir/Record/1783.1-63071 ; https://doi.org/10.14711/thesis-b1301520 ; http://repository.ust.hk/ir/bitstream/1783.1-63071/1/th_redirect.html

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Hong Kong University of Science and Technology

21. Shangguan, Longfei. Location-awareness sensing for smartphone.

Degree: 2013, Hong Kong University of Science and Technology

URL: http://repository.ust.hk/ir/Record/1783.1-62337 ; https://doi.org/10.14711/thesis-b1252006 ; http://repository.ust.hk/ir/bitstream/1783.1-62337/1/th_redirect.html

► Location-awareness sensing is getting increasingly important for a range of mobile and pervasive applications on nowadays smartphones. In its basic form, location-awareness sensing refers to… (more)

Subjects/Keywords: Wireless localization ; Smartphones ; Wireless communication systems

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APA (6^th Edition):

Shangguan, L. (2013). Location-awareness sensing for smartphone. (Thesis). Hong Kong University of Science and Technology. Retrieved from http://repository.ust.hk/ir/Record/1783.1-62337 ; https://doi.org/10.14711/thesis-b1252006 ; http://repository.ust.hk/ir/bitstream/1783.1-62337/1/th_redirect.html

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Shangguan, Longfei. “Location-awareness sensing for smartphone.” 2013. Thesis, Hong Kong University of Science and Technology. Accessed February 26, 2021. http://repository.ust.hk/ir/Record/1783.1-62337 ; https://doi.org/10.14711/thesis-b1252006 ; http://repository.ust.hk/ir/bitstream/1783.1-62337/1/th_redirect.html.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Shangguan, Longfei. “Location-awareness sensing for smartphone.” 2013. Web. 26 Feb 2021.

Vancouver:

Shangguan L. Location-awareness sensing for smartphone. [Internet] [Thesis]. Hong Kong University of Science and Technology; 2013. [cited 2021 Feb 26]. Available from: http://repository.ust.hk/ir/Record/1783.1-62337 ; https://doi.org/10.14711/thesis-b1252006 ; http://repository.ust.hk/ir/bitstream/1783.1-62337/1/th_redirect.html.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Shangguan L. Location-awareness sensing for smartphone. [Thesis]. Hong Kong University of Science and Technology; 2013. Available from: http://repository.ust.hk/ir/Record/1783.1-62337 ; https://doi.org/10.14711/thesis-b1252006 ; http://repository.ust.hk/ir/bitstream/1783.1-62337/1/th_redirect.html

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Hong Kong University of Science and Technology

22. Li, Haochao. Performance enhancement by using PHY layer information in wireless networks.

Degree: 2011, Hong Kong University of Science and Technology

URL: http://repository.ust.hk/ir/Record/1783.1-7392 ; https://doi.org/10.14711/thesis-b1154830 ; http://repository.ust.hk/ir/bitstream/1783.1-7392/1/th_redirect.html

► In recent years, the increasing demand for mobility over the world has caused a proliferation of using wireless network. Though the current wireless technologies have… (more)

Subjects/Keywords: Wireless communication systems ; Wireless LANs – Quality control

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APA (6^th Edition):

Li, H. (2011). Performance enhancement by using PHY layer information in wireless networks. (Thesis). Hong Kong University of Science and Technology. Retrieved from http://repository.ust.hk/ir/Record/1783.1-7392 ; https://doi.org/10.14711/thesis-b1154830 ; http://repository.ust.hk/ir/bitstream/1783.1-7392/1/th_redirect.html

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Li, Haochao. “Performance enhancement by using PHY layer information in wireless networks.” 2011. Thesis, Hong Kong University of Science and Technology. Accessed February 26, 2021. http://repository.ust.hk/ir/Record/1783.1-7392 ; https://doi.org/10.14711/thesis-b1154830 ; http://repository.ust.hk/ir/bitstream/1783.1-7392/1/th_redirect.html.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Li, Haochao. “Performance enhancement by using PHY layer information in wireless networks.” 2011. Web. 26 Feb 2021.

Vancouver:

Li H. Performance enhancement by using PHY layer information in wireless networks. [Internet] [Thesis]. Hong Kong University of Science and Technology; 2011. [cited 2021 Feb 26]. Available from: http://repository.ust.hk/ir/Record/1783.1-7392 ; https://doi.org/10.14711/thesis-b1154830 ; http://repository.ust.hk/ir/bitstream/1783.1-7392/1/th_redirect.html.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Li H. Performance enhancement by using PHY layer information in wireless networks. [Thesis]. Hong Kong University of Science and Technology; 2011. Available from: http://repository.ust.hk/ir/Record/1783.1-7392 ; https://doi.org/10.14711/thesis-b1154830 ; http://repository.ust.hk/ir/bitstream/1783.1-7392/1/th_redirect.html

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Delft University of Technology

23. Golinski, M.G. (author). Designing efficient wireless power transfer networks.

Degree: 2015, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:a96ee6e4-bee7-4e44-ae41-2e0427654718

►

The techniques of wireless power transfer has been gaining increasing popularity in the recent years due to the widespread use of mobile electronic devices such… (more)

Subjects/Keywords: wireless power transfer; wireless energy transfer; efficiency

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APA (6^th Edition):

Golinski, M. G. (. (2015). Designing efficient wireless power transfer networks. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:a96ee6e4-bee7-4e44-ae41-2e0427654718

Chicago Manual of Style (16^th Edition):

Golinski, M G (author). “Designing efficient wireless power transfer networks.” 2015. Masters Thesis, Delft University of Technology. Accessed February 26, 2021. http://resolver.tudelft.nl/uuid:a96ee6e4-bee7-4e44-ae41-2e0427654718.

MLA Handbook (7^th Edition):

Golinski, M G (author). “Designing efficient wireless power transfer networks.” 2015. Web. 26 Feb 2021.

Vancouver:

Golinski MG(. Designing efficient wireless power transfer networks. [Internet] [Masters thesis]. Delft University of Technology; 2015. [cited 2021 Feb 26]. Available from: http://resolver.tudelft.nl/uuid:a96ee6e4-bee7-4e44-ae41-2e0427654718.

Council of Science Editors:

Golinski MG(. Designing efficient wireless power transfer networks. [Masters Thesis]. Delft University of Technology; 2015. Available from: http://resolver.tudelft.nl/uuid:a96ee6e4-bee7-4e44-ae41-2e0427654718

University of the Western Cape

24. Zulu, Docas Dudu. Packet aggregation for voice over internet protocol on wireless mesh networks .

Degree: 2012, University of the Western Cape

URL: http://hdl.handle.net/11394/4403

► This thesis validates that packet aggregation is a viable technique to increase call capacity for Voice over Internet Protocol over wireless mesh networks. Wireless mesh… (more)

Subjects/Keywords: Wireless communication; Network communication; Wireless mesh networks

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APA (6^th Edition):

Zulu, D. D. (2012). Packet aggregation for voice over internet protocol on wireless mesh networks . (Thesis). University of the Western Cape. Retrieved from http://hdl.handle.net/11394/4403

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Zulu, Docas Dudu. “Packet aggregation for voice over internet protocol on wireless mesh networks .” 2012. Thesis, University of the Western Cape. Accessed February 26, 2021. http://hdl.handle.net/11394/4403.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Zulu, Docas Dudu. “Packet aggregation for voice over internet protocol on wireless mesh networks .” 2012. Web. 26 Feb 2021.

Vancouver:

Zulu DD. Packet aggregation for voice over internet protocol on wireless mesh networks . [Internet] [Thesis]. University of the Western Cape; 2012. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/11394/4403.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Zulu DD. Packet aggregation for voice over internet protocol on wireless mesh networks . [Thesis]. University of the Western Cape; 2012. Available from: http://hdl.handle.net/11394/4403

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Victoria

25. Wang, Xuan. Scheduling and Resource Allocation in Multi-user Wireless Systems.

Degree: Department of Electrical and Computer Engineering, 2014, University of Victoria

URL: http://hdl.handle.net/1828/5703

► In this dissertation, we discuss various aspects of scheduling and resource allocation in multi-user wireless systems. This work starts from how to utilize advanced physical-layer… (more)

▼ In this dissertation, we discuss various aspects of scheduling and resource allocation in multi-user wireless systems. This work starts from how to utilize advanced physical-layer technology to improve the system performance in a multi-user environment. We show that by using superposition coding (SPC) and successive interference cancellation, the system performance can be greatly improved with utility-based scheduling. Several observations are made as the design guideline for such system. Scheduling algorithms are designed for a system with hierarchical modulation which is a practical implementation of SPC. However, when the utility-based scheduling is designed, it is based on the assumption that the system is saturated, {\em i.e.}, users in the system always have data to transmit. It is pointed out in the literature that in a system with stochastic traffic, even if the arrival rate lies inside the capacity region, the system in terms of queue might not be stable with the utility-based scheduling. Motivated by this, we have studied the stability region of a general utility-based scheduling in a multi-user system with stochastic traffic. We show that the stability region is generally less than the capacity region, depends on how to interpret an intermediate control variable, and the resultant stability region may be even non-convex and exhibits undesirable properties which should be avoided. As the utility-based scheduling cannot achieve throughput-optimal, we turn our attentions to the throughput-optimal scheduling algorithms, whose stability region is identical to the capacity region. The limiting properties of an overloaded wireless system with throughput-optimal scheduling algorithms are studied. The results show that the queue length is unstable however the scheduling function of the queue length is stable, and the average throughput of the system converges. Finally we study how to schedule users in a multi-user wireless system with information-theoretic security support, which is focused on the secrecy outage probability. The problem is essentially about how to schedule users, and allocate resources to stabilize the system and minimize the secrecy outage probability. We show that there is a tradeoff between the arrival rate of the traffic and the secrecy outage probability. The relative channel condition of the eavesdropper also plays an important role to the secrecy outage probability. In summary, we showed utility-based scheduling using SPC can improve the system performance greatly, but the utility-based scheduling has limitations: the stability region might not have desired properties. On the contrary throughput-optimal scheduling has its own drawbacks: the traffic cannot be handled properly if the system is overloaded. The further study on the secrecy outage probability gives guideline on how to design a scheduler in a system with information-theoretic security support. Advisors/Committee Members: Cai, Lin (supervisor).

Subjects/Keywords: scheduling; wireless networks; wireless systems; resource allocation

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APA (6^th Edition):

Wang, X. (2014). Scheduling and Resource Allocation in Multi-user Wireless Systems. (Thesis). University of Victoria. Retrieved from http://hdl.handle.net/1828/5703

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Wang, Xuan. “Scheduling and Resource Allocation in Multi-user Wireless Systems.” 2014. Thesis, University of Victoria. Accessed February 26, 2021. http://hdl.handle.net/1828/5703.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Wang, Xuan. “Scheduling and Resource Allocation in Multi-user Wireless Systems.” 2014. Web. 26 Feb 2021.

Vancouver:

Wang X. Scheduling and Resource Allocation in Multi-user Wireless Systems. [Internet] [Thesis]. University of Victoria; 2014. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/1828/5703.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Wang X. Scheduling and Resource Allocation in Multi-user Wireless Systems. [Thesis]. University of Victoria; 2014. Available from: http://hdl.handle.net/1828/5703

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Minnesota

26. Holec, Eric. Using linear programming to minimize interference in wireless sensor networks.

Degree: MS, Computer Science, 2013, University of Minnesota

URL: http://hdl.handle.net/11299/162351

► Interference in wireless sensor networks can have a significant impact on power consumption and throughput. In this paper, we address the problem of finding a… (more)

Subjects/Keywords: Approximation; Optimization; Wireless interference; Wireless networks

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APA (6^th Edition):

Holec, E. (2013). Using linear programming to minimize interference in wireless sensor networks. (Masters Thesis). University of Minnesota. Retrieved from http://hdl.handle.net/11299/162351

Chicago Manual of Style (16^th Edition):

Holec, Eric. “Using linear programming to minimize interference in wireless sensor networks.” 2013. Masters Thesis, University of Minnesota. Accessed February 26, 2021. http://hdl.handle.net/11299/162351.

MLA Handbook (7^th Edition):

Holec, Eric. “Using linear programming to minimize interference in wireless sensor networks.” 2013. Web. 26 Feb 2021.

Vancouver:

Holec E. Using linear programming to minimize interference in wireless sensor networks. [Internet] [Masters thesis]. University of Minnesota; 2013. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/11299/162351.

Council of Science Editors:

Holec E. Using linear programming to minimize interference in wireless sensor networks. [Masters Thesis]. University of Minnesota; 2013. Available from: http://hdl.handle.net/11299/162351

University of New Mexico

27. Buckley, Timothy. Wireless communication system for data transfer and wireless power transmission.

Degree: Electrical and Computer Engineering, 2015, University of New Mexico

URL: http://hdl.handle.net/1928/30488

► Powering wireless communication devices remotely is necessary when a user of the communication device has limited access to battery power or the resources necessary to… (more)

Subjects/Keywords: Wireless power transmission.; Wireless communication systems.

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APA (6^th Edition):

Buckley, T. (2015). Wireless communication system for data transfer and wireless power transmission. (Doctoral Dissertation). University of New Mexico. Retrieved from http://hdl.handle.net/1928/30488

Chicago Manual of Style (16^th Edition):

Buckley, Timothy. “Wireless communication system for data transfer and wireless power transmission.” 2015. Doctoral Dissertation, University of New Mexico. Accessed February 26, 2021. http://hdl.handle.net/1928/30488.

MLA Handbook (7^th Edition):

Buckley, Timothy. “Wireless communication system for data transfer and wireless power transmission.” 2015. Web. 26 Feb 2021.

Vancouver:

Buckley T. Wireless communication system for data transfer and wireless power transmission. [Internet] [Doctoral dissertation]. University of New Mexico; 2015. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/1928/30488.

Council of Science Editors:

Buckley T. Wireless communication system for data transfer and wireless power transmission. [Doctoral Dissertation]. University of New Mexico; 2015. Available from: http://hdl.handle.net/1928/30488

University of Southern California

28. Balan, Horia Vlad. Achieving high data rates in distributed MIMO systems.

Degree: PhD, Computer Engineering, 2013, University of Southern California

URL: http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/304820/rec/489

► Long after MIMO communication has been proposed as a viable path around the rate limitations of point-to-point communication, realizing its most general forms remains an… (more)

Subjects/Keywords: wireless communication; wireless networking; MIMO; algorithms

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APA (6^th Edition):

Balan, H. V. (2013). Achieving high data rates in distributed MIMO systems. (Doctoral Dissertation). University of Southern California. Retrieved from http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/304820/rec/489

Chicago Manual of Style (16^th Edition):

Balan, Horia Vlad. “Achieving high data rates in distributed MIMO systems.” 2013. Doctoral Dissertation, University of Southern California. Accessed February 26, 2021. http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/304820/rec/489.

MLA Handbook (7^th Edition):

Balan, Horia Vlad. “Achieving high data rates in distributed MIMO systems.” 2013. Web. 26 Feb 2021.

Vancouver:

Balan HV. Achieving high data rates in distributed MIMO systems. [Internet] [Doctoral dissertation]. University of Southern California; 2013. [cited 2021 Feb 26]. Available from: http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/304820/rec/489.

Council of Science Editors:

Balan HV. Achieving high data rates in distributed MIMO systems. [Doctoral Dissertation]. University of Southern California; 2013. Available from: http://digitallibrary.usc.edu/cdm/compoundobject/collection/p15799coll3/id/304820/rec/489

University of Arizona

29. Akgun, Berk. Achieving Secure Communications in Dense Multiuser Mimo Systems for 5G and Beyond .

Degree: 2019, University of Arizona

URL: http://hdl.handle.net/10150/636623

► Traditional approaches for providing confidentiality of wirelessly transmitted signals are often based on cryptographic techniques. While these techniques ensure that messages are encrypted and secured… (more)

▼ Traditional approaches for providing confidentiality of wirelessly transmitted signals are often based on cryptographic techniques. While these techniques ensure that messages are encrypted and secured against eavesdropping, they are not sufficient to protect important transmission attributes at the physical (PHY) layer. Specifically, several elds in the headers of PHY and medium access control (MAC) frames are typically sent unencrypted to maintain proper protocol functionality (e.g., sender/receiver identification). As a result, they leak side-channel information (SCI), including payload size, frequency and phase oset, modulation and coding scheme, identities of communication nodes, frame type, transmission rate, etc. These SCI can be exploited by an adversary to launch various passive (eavesdropping) and active (jamming) attacks. To complement cryptographic techniques used at upper layers and prevent the leakage of SCI at the PHY/MAC layers, PHY-layer security techniques have been introduced. These techniques exploit the characteristics of the wireless channel along with multiple-input multiple-output (MIMO) technologies, in which multiple transmitting and receiving antennas are utilized to prevent information leakage to eavesdroppers and/or avoid jamming attacks. In particular, if the signal-to-interference-plus-noise ratio (SINR) at an adversary is lower than the one at a legitimate receiver, secure communication can be achieved through the so-called wiretap coding. MIMO systems enable the transmitter and/or the receiver to generate artificial noise, called friendly jamming (FJ), so as to reduce the SINR at the adversary without impacting the SINR at the legitimate receiver. In this dissertation, we focus on exploring the security threats to next-generation wireless systems. We develop MIMO-based PHY-layer security methods to achieve reliable and secret communications in these systems. First, we consider a broadcast channel, in which a multi-antenna transmitter (Alice) sends K confidential information signals to K legitimate receivers (Bobs) in the presence of L eavesdropping devices (Eves). Alice uses MIMO precoding to generate the information signals along with her own Tx-based friendly jamming (TxFJ). Interference at each Bob is removed via a technique called MIMO zero-forcing. This TxFJ, however, leaves an eavesdropping \vulnerability region" in the proximity of each Bob, which can be exploited by a nearby Eve. Specically, because of the high correlation in the channel state information (CSI) at a Bob and nearby Eves, the TxFJ becomes less effective in preventing eavesdropping at these Eves. We address this problem by augmenting TxFJ with receiver-based friendly jamming (RxFJ), generated by each Bob. Specifically, we allow each Bob to use self-interference suppression (SIS) techniques to transmit a friendly jamming signal while simultaneously receiving an information signal over the same channel. These SIS techniques exploit circulators to attenuate the self-interference power of RxFJ at Bobs and utilize… Advisors/Committee Members: Krunz, Marwan (advisor), Djordjevic, Ivan (committeemember), Lazos, Loukas (committeemember).

Subjects/Keywords: Computer Networking; Wireless Communications; Wireless Security

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Akgun, B. (2019). Achieving Secure Communications in Dense Multiuser Mimo Systems for 5G and Beyond . (Doctoral Dissertation). University of Arizona. Retrieved from http://hdl.handle.net/10150/636623

Chicago Manual of Style (16^th Edition):

Akgun, Berk. “Achieving Secure Communications in Dense Multiuser Mimo Systems for 5G and Beyond .” 2019. Doctoral Dissertation, University of Arizona. Accessed February 26, 2021. http://hdl.handle.net/10150/636623.

MLA Handbook (7^th Edition):

Akgun, Berk. “Achieving Secure Communications in Dense Multiuser Mimo Systems for 5G and Beyond .” 2019. Web. 26 Feb 2021.

Vancouver:

Akgun B. Achieving Secure Communications in Dense Multiuser Mimo Systems for 5G and Beyond . [Internet] [Doctoral dissertation]. University of Arizona; 2019. [cited 2021 Feb 26]. Available from: http://hdl.handle.net/10150/636623.

Council of Science Editors:

Akgun B. Achieving Secure Communications in Dense Multiuser Mimo Systems for 5G and Beyond . [Doctoral Dissertation]. University of Arizona; 2019. Available from: http://hdl.handle.net/10150/636623

University of Canterbury

30. Clark, Geoffrey Stuart Williamson. Improving the energy efficiency and transmission reliability of battery-powered sensor nodes at the edges of a mains-powered wireless network.

Degree: MS, Computer Science, 2012, University of Canterbury

URL: http://dx.doi.org/10.26021/7266

► A masters thesis focussing on achieving improvements in transmission reliability and energy efficiency for a battery-powered wireless sensor node on the edge of an industrial… (more)

Subjects/Keywords: sensors; simulation; wireless; wireless node; sensor network

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APA (6^th Edition):

Clark, G. S. W. (2012). Improving the energy efficiency and transmission reliability of battery-powered sensor nodes at the edges of a mains-powered wireless network. (Masters Thesis). University of Canterbury. Retrieved from http://dx.doi.org/10.26021/7266

Chicago Manual of Style (16^th Edition):

Clark, Geoffrey Stuart Williamson. “Improving the energy efficiency and transmission reliability of battery-powered sensor nodes at the edges of a mains-powered wireless network.” 2012. Masters Thesis, University of Canterbury. Accessed February 26, 2021. http://dx.doi.org/10.26021/7266.

MLA Handbook (7^th Edition):

Clark, Geoffrey Stuart Williamson. “Improving the energy efficiency and transmission reliability of battery-powered sensor nodes at the edges of a mains-powered wireless network.” 2012. Web. 26 Feb 2021.

Vancouver:

Clark GSW. Improving the energy efficiency and transmission reliability of battery-powered sensor nodes at the edges of a mains-powered wireless network. [Internet] [Masters thesis]. University of Canterbury; 2012. [cited 2021 Feb 26]. Available from: http://dx.doi.org/10.26021/7266.

Council of Science Editors:

Clark GSW. Improving the energy efficiency and transmission reliability of battery-powered sensor nodes at the edges of a mains-powered wireless network. [Masters Thesis]. University of Canterbury; 2012. Available from: http://dx.doi.org/10.26021/7266

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Open Access Theses and Dissertations