subject:(NB Power)

Arizona State University

1. Sharma, Prashant. Low-power Physical-layer Design for LTE Based Very NarrowBand IoT (VNB - IoT) Communication.

Degree: Electrical Engineering, 2017, Arizona State University

URL: http://repository.asu.edu/items/46196

Subjects/Keywords: Electrical engineering; IoT; Low-power; LTE; NB-IoT; Physical-layer; Wireless communication

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APA (6^th Edition):

Sharma, P. (2017). Low-power Physical-layer Design for LTE Based Very NarrowBand IoT (VNB - IoT) Communication. (Masters Thesis). Arizona State University. Retrieved from http://repository.asu.edu/items/46196

Chicago Manual of Style (16^th Edition):

Sharma, Prashant. “Low-power Physical-layer Design for LTE Based Very NarrowBand IoT (VNB - IoT) Communication.” 2017. Masters Thesis, Arizona State University. Accessed April 17, 2021. http://repository.asu.edu/items/46196.

MLA Handbook (7^th Edition):

Sharma, Prashant. “Low-power Physical-layer Design for LTE Based Very NarrowBand IoT (VNB - IoT) Communication.” 2017. Web. 17 Apr 2021.

Vancouver:

Sharma P. Low-power Physical-layer Design for LTE Based Very NarrowBand IoT (VNB - IoT) Communication. [Internet] [Masters thesis]. Arizona State University; 2017. [cited 2021 Apr 17]. Available from: http://repository.asu.edu/items/46196.

Council of Science Editors:

Sharma P. Low-power Physical-layer Design for LTE Based Very NarrowBand IoT (VNB - IoT) Communication. [Masters Thesis]. Arizona State University; 2017. Available from: http://repository.asu.edu/items/46196

Brno University of Technology

2. Mikulášek, Michal. Zařízení pro zaznamenávání proudové spotřeby LPWA senzorů: Design of a current data logger for LPWA sensors.

Degree: 2020, Brno University of Technology

URL: http://hdl.handle.net/11012/189136

► This Master thesis deals with the design and construction of a measuring device for measuring and the current consumption logging of sensors using LPWAN (Low… (more)

Subjects/Keywords: IoT; LoRa; LoRaWAN; Sigfox; NB-IoT; LPWAN; měření proudu; odběr proudu; bočník; STM32; ADC; záznam dat; SD karta; USB; UART; SDIO; 3D tisk; FDM; měřící přístroj; SPI; I2C; Ethernet; IoT; LoRa; LoRaWAN; Sigfox; NB-IoT; LPWAN; Current Sensing; Power Consumption; Shunt; STM32; ADC; Data Logging; SD Card; USB; UART; SDIO; 3D Print; FDM; Measuring Device; SPI; I2C; Ethernet

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APA (6^th Edition):

Mikulášek, M. (2020). Zařízení pro zaznamenávání proudové spotřeby LPWA senzorů: Design of a current data logger for LPWA sensors. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/189136

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):

Mikulášek, Michal. “Zařízení pro zaznamenávání proudové spotřeby LPWA senzorů: Design of a current data logger for LPWA sensors.” 2020. Thesis, Brno University of Technology. Accessed April 17, 2021. http://hdl.handle.net/11012/189136.

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

MLA Handbook (7^th Edition):

Mikulášek, Michal. “Zařízení pro zaznamenávání proudové spotřeby LPWA senzorů: Design of a current data logger for LPWA sensors.” 2020. Web. 17 Apr 2021.

Vancouver:

Mikulášek M. Zařízení pro zaznamenávání proudové spotřeby LPWA senzorů: Design of a current data logger for LPWA sensors. [Internet] [Thesis]. Brno University of Technology; 2020. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/11012/189136.

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

Council of Science Editors:

Mikulášek M. Zařízení pro zaznamenávání proudové spotřeby LPWA senzorů: Design of a current data logger for LPWA sensors. [Thesis]. Brno University of Technology; 2020. Available from: http://hdl.handle.net/11012/189136

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

Brno University of Technology

3. Bartoň, Jan. Zařízení pro monitorování kvality elektrické sítě: Quality Monitoring Device for Electrical Power Networks.

Degree: 2020, Brno University of Technology

URL: http://hdl.handle.net/11012/192483

► The diploma thesis deals with the parameters of electricity quality. The aim of this work is to design and implement a prototype device that will… (more)

Subjects/Keywords: měření kvality elektrické energie; nRF9160; ADE9000; vestavěný systém; NB-IoT; Zephyr; MQTT; power quality measurement; nRF9160; ADE9000; embedded systeem; NB-IoT; Zephyr; MQTT

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

APA (6^th Edition):

Bartoň, J. (2020). Zařízení pro monitorování kvality elektrické sítě: Quality Monitoring Device for Electrical Power Networks. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/192483

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):

Bartoň, Jan. “Zařízení pro monitorování kvality elektrické sítě: Quality Monitoring Device for Electrical Power Networks.” 2020. Thesis, Brno University of Technology. Accessed April 17, 2021. http://hdl.handle.net/11012/192483.

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

MLA Handbook (7^th Edition):

Bartoň, Jan. “Zařízení pro monitorování kvality elektrické sítě: Quality Monitoring Device for Electrical Power Networks.” 2020. Web. 17 Apr 2021.

Vancouver:

Bartoň J. Zařízení pro monitorování kvality elektrické sítě: Quality Monitoring Device for Electrical Power Networks. [Internet] [Thesis]. Brno University of Technology; 2020. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/11012/192483.

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

Council of Science Editors:

Bartoň J. Zařízení pro monitorování kvality elektrické sítě: Quality Monitoring Device for Electrical Power Networks. [Thesis]. Brno University of Technology; 2020. Available from: http://hdl.handle.net/11012/192483

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

Brno University of Technology

4. Vörös, Ondrej. Návrh IoT zařízení komunikujícího pomocí standardu NB-IoT: Design of IoT device communicating by using NB-IoT standard.

Degree: 2019, Brno University of Technology

URL: http://hdl.handle.net/11012/177688

► This diploma thesis deals with the design of low-power IoT device communicating by using the NB-IoT standard. The theoretical part of the thesis is dedicated… (more)

Subjects/Keywords: IoT; LPWA; NB-IoT; nízky príkon; IoT; LPWA; NB-IoT; low power

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APA (6^th Edition):

Vörös, O. (2019). Návrh IoT zařízení komunikujícího pomocí standardu NB-IoT: Design of IoT device communicating by using NB-IoT standard. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/177688

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):

Vörös, Ondrej. “Návrh IoT zařízení komunikujícího pomocí standardu NB-IoT: Design of IoT device communicating by using NB-IoT standard.” 2019. Thesis, Brno University of Technology. Accessed April 17, 2021. http://hdl.handle.net/11012/177688.

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

MLA Handbook (7^th Edition):

Vörös, Ondrej. “Návrh IoT zařízení komunikujícího pomocí standardu NB-IoT: Design of IoT device communicating by using NB-IoT standard.” 2019. Web. 17 Apr 2021.

Vancouver:

Vörös O. Návrh IoT zařízení komunikujícího pomocí standardu NB-IoT: Design of IoT device communicating by using NB-IoT standard. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/11012/177688.

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

Council of Science Editors:

Vörös O. Návrh IoT zařízení komunikujícího pomocí standardu NB-IoT: Design of IoT device communicating by using NB-IoT standard. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/177688

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

Brno University of Technology

5. Mikulášek, Michal. Bezdrátová senzorická síť využívající LoRa technologii: Wireless Sensory Network Using LoRa Technology.

Degree: 2019, Brno University of Technology

URL: http://hdl.handle.net/11012/82373

► The bachelor thesis focuses in the first half on the Internet of Things and the available wireless technologies for the Internet of Things. Each technology… (more)

Subjects/Keywords: Arduino; ATmega328P; Atmel AVR; BH1750FVI; Bluetooth; BMP280; brána; centrální jednotka; DS18B20; Li-Ion; LoRa; LoRaWAN; LTE; NB-IoT; RFID; RFM95; senzorická jednotka; Sigfox; spotřeba energie; TPL5110; Wi-Fi; ZigBee; Z-Wave.; Arduino; ATmega328P; Atmel AVR; BH1750FVI; Bluetooth; BMP280; Gateway; Central Unit; DS18B20; Li-Ion; LoRa; LoRaWAN; LTE; NB-IoT; RFID; RFM95; Sensor Unit; Sigfox; Power Consumption; TPL5110; Wi-Fi; ZigBee; Z-Wave.

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APA (6^th Edition):

Mikulášek, M. (2019). Bezdrátová senzorická síť využívající LoRa technologii: Wireless Sensory Network Using LoRa Technology. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/82373

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):

Mikulášek, Michal. “Bezdrátová senzorická síť využívající LoRa technologii: Wireless Sensory Network Using LoRa Technology.” 2019. Thesis, Brno University of Technology. Accessed April 17, 2021. http://hdl.handle.net/11012/82373.

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

MLA Handbook (7^th Edition):

Mikulášek, Michal. “Bezdrátová senzorická síť využívající LoRa technologii: Wireless Sensory Network Using LoRa Technology.” 2019. Web. 17 Apr 2021.

Vancouver:

Mikulášek M. Bezdrátová senzorická síť využívající LoRa technologii: Wireless Sensory Network Using LoRa Technology. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/11012/82373.

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

Council of Science Editors:

Mikulášek M. Bezdrátová senzorická síť využívající LoRa technologii: Wireless Sensory Network Using LoRa Technology. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/82373

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

Brno University of Technology

6. Lubajo, Lubajo Moses Wolyan. Implementace komunikačních technologií NB-IoT a LTE-M v simulačním nástroji NS-3: Implementation of the NB-IoT and LTE-M Technologies within the NS-3 Simulation Tool.

Degree: 2019, Brno University of Technology

URL: http://hdl.handle.net/11012/82390

► The Low Power Wide Area Network (LPWAN) consists of a number of wireless communication technologies that compete in the Machine Type Communication (MTC) space: Narrow… (more)

Subjects/Keywords: LoRaWAN; Sigfox; mobilní síť 4. generace (LTE); síťový simulátor 3 (NS-3); LoRa; LENA; LTE-M; Low Power Wide Area Network (LPWAN); Narrow Band Internet of Things (NB-IoT); Long Range (LoRa); Long Range Wide Area Network (LoRaWAN); Sigfox; Long Term Evolution (LTE); Network Simulator 3 (NS-3); LTE-EPC Network Simulator (LENA); Evolved Packet Core (EPC)

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

APA (6^th Edition):

Lubajo, L. M. W. (2019). Implementace komunikačních technologií NB-IoT a LTE-M v simulačním nástroji NS-3: Implementation of the NB-IoT and LTE-M Technologies within the NS-3 Simulation Tool. (Thesis). Brno University of Technology. Retrieved from http://hdl.handle.net/11012/82390

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):

Lubajo, Lubajo Moses Wolyan. “Implementace komunikačních technologií NB-IoT a LTE-M v simulačním nástroji NS-3: Implementation of the NB-IoT and LTE-M Technologies within the NS-3 Simulation Tool.” 2019. Thesis, Brno University of Technology. Accessed April 17, 2021. http://hdl.handle.net/11012/82390.

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

MLA Handbook (7^th Edition):

Lubajo, Lubajo Moses Wolyan. “Implementace komunikačních technologií NB-IoT a LTE-M v simulačním nástroji NS-3: Implementation of the NB-IoT and LTE-M Technologies within the NS-3 Simulation Tool.” 2019. Web. 17 Apr 2021.

Vancouver:

Lubajo LMW. Implementace komunikačních technologií NB-IoT a LTE-M v simulačním nástroji NS-3: Implementation of the NB-IoT and LTE-M Technologies within the NS-3 Simulation Tool. [Internet] [Thesis]. Brno University of Technology; 2019. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/11012/82390.

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

Council of Science Editors:

Lubajo LMW. Implementace komunikačních technologií NB-IoT a LTE-M v simulačním nástroji NS-3: Implementation of the NB-IoT and LTE-M Technologies within the NS-3 Simulation Tool. [Thesis]. Brno University of Technology; 2019. Available from: http://hdl.handle.net/11012/82390

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

Dalhousie University

7. Bourque, Angelle. NB Power and Historical Institutionalism: Why the People of New Brunswick Could Not Accept the Sale.

Degree: MA, Department of Political Science, 2011, Dalhousie University

URL: http://hdl.handle.net/10222/14251

► Why did the people of New Brunswick fail to accept the agreement between the governments of New Brunswick and Québec to sell NB Power to… (more)

Subjects/Keywords: NB Power; Hydro-Quebec; New Brunswick; historical institutionalism

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APA (6^th Edition):

Bourque, A. (2011). NB Power and Historical Institutionalism: Why the People of New Brunswick Could Not Accept the Sale. (Masters Thesis). Dalhousie University. Retrieved from http://hdl.handle.net/10222/14251

Chicago Manual of Style (16^th Edition):

Bourque, Angelle. “NB Power and Historical Institutionalism: Why the People of New Brunswick Could Not Accept the Sale.” 2011. Masters Thesis, Dalhousie University. Accessed April 17, 2021. http://hdl.handle.net/10222/14251.

MLA Handbook (7^th Edition):

Bourque, Angelle. “NB Power and Historical Institutionalism: Why the People of New Brunswick Could Not Accept the Sale.” 2011. Web. 17 Apr 2021.

Vancouver:

Bourque A. NB Power and Historical Institutionalism: Why the People of New Brunswick Could Not Accept the Sale. [Internet] [Masters thesis]. Dalhousie University; 2011. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/10222/14251.

Council of Science Editors:

Bourque A. NB Power and Historical Institutionalism: Why the People of New Brunswick Could Not Accept the Sale. [Masters Thesis]. Dalhousie University; 2011. Available from: http://hdl.handle.net/10222/14251

Georgia Tech

8. Mireles, Omar R. (Omar Roberto). Non-Nuclear Materials Compatibility Testing of Niobium - 1% Zirconium and 316 Stainless Steel for Space Fission Reactor Applications.

Degree: MS, Mechanical Engineering, 2004, Georgia Tech

URL: http://hdl.handle.net/1853/5267

► A new generation of compact and highly efficient power production and propulsion technologies are critically needed in enabling NASAs long-term goals. Nuclear fission power technologies… (more)

▼ A new generation of compact and highly efficient power production and propulsion technologies are critically needed in enabling NASAs long-term goals. Nuclear fission power technologies as part of project Prometheus are in development to meet this need. Proposed reactor concepts utilize a combination of refractory metals and stainless steels. One such refractory alloy, Niobium 1% Zirconium (Nb-1Zr), will be used because of its strength at high temperatures, neutron absorption properties, and resistance to corrosion by liquid alkali metals. One potential problem in using Nb-1Zr is that it undergoes rapid high temperature oxidation, even in low oxygen concentrations. Long-term oxidation of the niobium matrix can significantly deteriorate the mechanical properties of the alloy. This thesis reports on experimental studies of the high temperature interaction of 316 stainless steel (316 SS) and Nb-1Zr under prototypic space fission reactor operating conditions. Specifically, how the high temperature oxidation rate of Nb-1Zr changes when in contact with 316 SS at low external oxygen concentrations. The objective of the project is to determine if transport of gaseous contaminants, such as oxygen, will occur when Nb-1Zr is in contact with 316 SS, thereby increasing the oxidation rate and degrading material properties. Experiments were preformed in a realistic non-nuclear environment at the appropriate operating conditions. Thermal Gravimetric Analysis techniques were used to quantify results. Coupons of Nb-1Zr and Nb-1Zr in contact with 316 SS foil are subjected to flowing argon with oxygen concentrations between 4-15ppm and heated to a temperature of 500, 750, and 1000 °C for 2 to 10 hours. Experiments were conducted at the Early Flight Fission Test Facility at NASA Marshall Space Flight Center. The experimental results indicate that a complex oxidation process, which depends greatly on temperature and oxygen concentration, occurs at the expected operating conditions. Non-linear regression techniques were applied to experimental data in order to derive correlations for the approximate oxidation rate of Nb-1Zr and Nb-1Zr in contact with 316 SS as a function of time, temperature, and oxygen concentration. Advisors/Committee Members: Ghiaasiaan, Mostafa (Committee Chair), Graham, Samuel (Committee Member), Houts, Michael (Committee Member).

Subjects/Keywords: Nb-1Zr; Prometheus; NASA; MSFC; Oxidation; TGA; Space nuclear power; Steel alloys; Space flight; Nuclear fuels; Niobium-zirconium alloys

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APA (6^th Edition):

Mireles, O. R. (. R. (2004). Non-Nuclear Materials Compatibility Testing of Niobium - 1% Zirconium and 316 Stainless Steel for Space Fission Reactor Applications. (Masters Thesis). Georgia Tech. Retrieved from http://hdl.handle.net/1853/5267

Chicago Manual of Style (16^th Edition):

Mireles, Omar R (Omar Roberto). “Non-Nuclear Materials Compatibility Testing of Niobium - 1% Zirconium and 316 Stainless Steel for Space Fission Reactor Applications.” 2004. Masters Thesis, Georgia Tech. Accessed April 17, 2021. http://hdl.handle.net/1853/5267.

MLA Handbook (7^th Edition):

Mireles, Omar R (Omar Roberto). “Non-Nuclear Materials Compatibility Testing of Niobium - 1% Zirconium and 316 Stainless Steel for Space Fission Reactor Applications.” 2004. Web. 17 Apr 2021.

Vancouver:

Mireles OR(R. Non-Nuclear Materials Compatibility Testing of Niobium - 1% Zirconium and 316 Stainless Steel for Space Fission Reactor Applications. [Internet] [Masters thesis]. Georgia Tech; 2004. [cited 2021 Apr 17]. Available from: http://hdl.handle.net/1853/5267.

Council of Science Editors:

Mireles OR(R. Non-Nuclear Materials Compatibility Testing of Niobium - 1% Zirconium and 316 Stainless Steel for Space Fission Reactor Applications. [Masters Thesis]. Georgia Tech; 2004. Available from: http://hdl.handle.net/1853/5267

9. Pasamontes, Enrique Ortis. Comparison Study and Product Development using Wireless Narrowband Low-power Wide-area Network Technologies.

Degree: Information and Communication Technology (ICT), 2017, KTH

URL: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-227857

► Nowadays it is more clear that the Internet of things (IoT) is not a transient trend but a completely new industry. The internet of… (more)

Subjects/Keywords: Internet of Things; Low Power Wide Area Networks; LoRa; NB-IoT; GNSS; PCB Design; Software Design.; Electrical Engineering, Electronic Engineering, Information Engineering; Elektroteknik och elektronik

…transmission power is considered because LoRa and NB-IoT have diﬀerent power regulations in Europe… …Transmission power (2) Device sensitivity = (1)-(2) Link Budget 9 NB… …LoRa module and the Sara N2 [15] module for NB-IoT. The power calculations are kept… …for LoRa. LoRa spends 12 times less power than NB-IoT for sending a single message. There… …times more power when transmitting. The second one is that NB-IoT has a preliminary…

10 more images…

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APA (6^th Edition):

Pasamontes, E. O. (2017). Comparison Study and Product Development using Wireless Narrowband Low-power Wide-area Network Technologies. (Thesis). KTH. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-227857

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):

Pasamontes, Enrique Ortis. “Comparison Study and Product Development using Wireless Narrowband Low-power Wide-area Network Technologies.” 2017. Thesis, KTH. Accessed April 17, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-227857.

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

MLA Handbook (7^th Edition):

Pasamontes, Enrique Ortis. “Comparison Study and Product Development using Wireless Narrowband Low-power Wide-area Network Technologies.” 2017. Web. 17 Apr 2021.

Vancouver:

Pasamontes EO. Comparison Study and Product Development using Wireless Narrowband Low-power Wide-area Network Technologies. [Internet] [Thesis]. KTH; 2017. [cited 2021 Apr 17]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-227857.

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

Council of Science Editors:

Pasamontes EO. Comparison Study and Product Development using Wireless Narrowband Low-power Wide-area Network Technologies. [Thesis]. KTH; 2017. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-227857

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

10. Wolf, Florian. Multi-channel ranging system for the localization of wireless connected objects in low power wide aea networks : From modeling to field trials : Système de mesure multicanaux de distances pour la localisation des objets connectés dans les réseaux longue portée et basse consommation : De la modélisation jusqu’aux tests terrain.

Degree: Docteur es, Electronique des Hautes Fréquences, Photonique et Systèmes, 2020, Limoges

URL: http://www.theses.fr/2020LIMO0017

► L'Internet des objets (IoT, pour Internet of Things, en anglais) ouvre la porte vers la réalisation de nouvelles applications, telles que les compteurs intelligents et… (more)

▼ L'Internet des objets (IoT, pour Internet of Things, en anglais) ouvre la porte vers la réalisation de nouvelles applications, telles que les compteurs intelligents et le suivi environnemental, destinées à adresser nos défis sociétaux et écologiques actuels et futurs. Les objets, possiblement mobiles ou distants, nécessitent une connectivité sans fil pour la centralisation des données et le contrôle à distance. Les réseaux longue portée et basse consommation (LPWA, pour Low Power Wide Area, en anglais) offrent des transmissions radio bande étroite avec une couverture à l’échelle typique d’une ville, tout en respectant les contraintes de consommation énergétique bas coût des objets. Intégrer la possibilité de localiser ces objets ajouterait de la valeur à leurs données et permettrait leur suivi géographique. Voilà pourquoi c'est un domaine de recherche très actif actuellement. L'utilisation du temps de propagation des signaux radio de communication, sans intégration supplémentaire de modules matériels dédiés à la localisation, est une approche très intéressante pour la complexité, la consommation et le coût des objets. Néanmoins la radio localisation dans les réseaux LPWA pose des défis liés d'une part aux transmissions à bande étroite qui n'offrent pas une résolution temporelle suffisante et d'autre part aux canaux de propagation qui peuvent introduire des biais sur les estimées de position. Cette thèse adresse ces défis en étudiant un système de mesure multicanaux de distance pour les réseaux LPWA. La combinaison cohérente des signaux bande étroite transmis séquentiellement sur des canaux différents améliore la précision d’estimation des temps de propagation et permet de résoudre en partie les multi-trajets pour une meilleure précision de localisation. Cette technique basée sur les signaux à bande instantanée étroite conserve la capacité longue portée des transmissions et reste compatible avec les réseaux LPWA. Un modèle détaillé prenant en compte les imperfections matérielles ainsi que les besoins protocolaires pour la synchronisation en temps, fréquence et phase est développé. Basé sur ce modèle, les variantes des architectures des émetteurs-récepteurs radios et leurs impacts sur la cohérence de phase pour l’estimation multicanaux de distance sont discutés. Les limites théoriques de précision sont dérivées pour la propagation en espace libre et dans des canaux de propagation multi-trajets, illustrant l’amélioration de précision possible entre l'approche multicanaux et l'approche monocanal pour l'estimation de distance. Des estimateurs de distance sont développés et appliqués aux signaux radio simulés afin de montrer que leurs performances atteignent les limites théoriques. Ces résultats de simulation sont validés avec des expérimentations menées avec un démonstrateur implémenté avec une radio logicielle (SDR, pour Software Defined Radio, en anglais). Les tests terrains réalisés en environnement urbain permettent de confirmer l'apport d'un système d'estimation multicanaux de distance, en combinaison avec du… Advisors/Committee Members: Cances, Jean-Pierre (thesis director), Meghdadi Neyshabouri, Vahid (thesis director), Rivaz, Sebastien de (thesis director).

Subjects/Keywords: Internet des objets (IoT); Réseaux longue portée et basse consommation (LPWA); Radio localisation; Estimation de distance; Sauts de fréquence; Phase d’arrivée (PoA); Traitement cohérent; Narrow-Band IoT (NB-IoT); LoRa; Sigfox; Internet of things (IoT); Low power wide area (LPWA); Radio localization; Ranging; Frequency hopping; Phase of arrival (PoA); Coherent processing; Narrow-band IoT (NB-IoT); LoRa; Sigfox; 621.382 2

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

APA (6^th Edition):

Wolf, F. (2020). Multi-channel ranging system for the localization of wireless connected objects in low power wide aea networks : From modeling to field trials : Système de mesure multicanaux de distances pour la localisation des objets connectés dans les réseaux longue portée et basse consommation : De la modélisation jusqu’aux tests terrain. (Doctoral Dissertation). Limoges. Retrieved from http://www.theses.fr/2020LIMO0017

Chicago Manual of Style (16^th Edition):

Wolf, Florian. “Multi-channel ranging system for the localization of wireless connected objects in low power wide aea networks : From modeling to field trials : Système de mesure multicanaux de distances pour la localisation des objets connectés dans les réseaux longue portée et basse consommation : De la modélisation jusqu’aux tests terrain.” 2020. Doctoral Dissertation, Limoges. Accessed April 17, 2021. http://www.theses.fr/2020LIMO0017.

MLA Handbook (7^th Edition):

Wolf, Florian. “Multi-channel ranging system for the localization of wireless connected objects in low power wide aea networks : From modeling to field trials : Système de mesure multicanaux de distances pour la localisation des objets connectés dans les réseaux longue portée et basse consommation : De la modélisation jusqu’aux tests terrain.” 2020. Web. 17 Apr 2021.

Vancouver:

Wolf F. Multi-channel ranging system for the localization of wireless connected objects in low power wide aea networks : From modeling to field trials : Système de mesure multicanaux de distances pour la localisation des objets connectés dans les réseaux longue portée et basse consommation : De la modélisation jusqu’aux tests terrain. [Internet] [Doctoral dissertation]. Limoges; 2020. [cited 2021 Apr 17]. Available from: http://www.theses.fr/2020LIMO0017.

Council of Science Editors:

Wolf F. Multi-channel ranging system for the localization of wireless connected objects in low power wide aea networks : From modeling to field trials : Système de mesure multicanaux de distances pour la localisation des objets connectés dans les réseaux longue portée et basse consommation : De la modélisation jusqu’aux tests terrain. [Doctoral Dissertation]. Limoges; 2020. Available from: http://www.theses.fr/2020LIMO0017

Tampere University

11. Khan, Imran. Suitability of LoRa, Sigfox and NB-IoT for Different Internet-of-Things Applications .

Degree: 2019, Tampere University

URL: https://trepo.tuni.fi/handle/10024/117535

► The large-scale implementation of the internet of things (IoT) technologies is becoming a reality. IoT technologies benefit from low-power wide area network (LPWAN) systems. These… (more)

Subjects/Keywords: Low-Power Wide Area Network; LoRa; Sigfox; IoT; NB-IoT

Record Details Similar Records Cite « Share

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

APA (6^th Edition):

Khan, I. (2019). Suitability of LoRa, Sigfox and NB-IoT for Different Internet-of-Things Applications . (Masters Thesis). Tampere University. Retrieved from https://trepo.tuni.fi/handle/10024/117535

Chicago Manual of Style (16^th Edition):

Khan, Imran. “Suitability of LoRa, Sigfox and NB-IoT for Different Internet-of-Things Applications .” 2019. Masters Thesis, Tampere University. Accessed April 17, 2021. https://trepo.tuni.fi/handle/10024/117535.

MLA Handbook (7^th Edition):

Khan, Imran. “Suitability of LoRa, Sigfox and NB-IoT for Different Internet-of-Things Applications .” 2019. Web. 17 Apr 2021.

Vancouver:

Khan I. Suitability of LoRa, Sigfox and NB-IoT for Different Internet-of-Things Applications . [Internet] [Masters thesis]. Tampere University; 2019. [cited 2021 Apr 17]. Available from: https://trepo.tuni.fi/handle/10024/117535.

Council of Science Editors:

Khan I. Suitability of LoRa, Sigfox and NB-IoT for Different Internet-of-Things Applications . [Masters Thesis]. Tampere University; 2019. Available from: https://trepo.tuni.fi/handle/10024/117535

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Open Access Theses and Dissertations