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You searched for +publisher:"NSYSU" +contributor:("Pu-Hua Deng"). Showing records 1 – 3 of 3 total matches.

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NSYSU

1. Lo, Yu-Hung. Design of Dual-Band Bandpass Filter for WLAN Applications.

Degree: Master, Electrical Engineering, 2014, NSYSU

The rapid development for the wireless communication applications is happening in the multiple bands and filters are fundamental components extensively used in microwave and millimeter-wave circuits. Recently, the use of wireless local area network (WLAN) systems has expanded rapidly, demanding more multiband applications. In this thesis, a microstrip-line dual-band bandpass filter using stub-loaded resonator (SLR) is proposed. The device has good selectivity in first pass band and wide bandwidth in second pass band. By properly adjusting the gap between source-load and SLR, good return loss at lower frequencies can be achieved. To further improve the rejection level between the first pass band and second pass band, the spur-line is etched in the coupled feeding line to produce another transmission zero at 4.3 GHz. Based on the proposed SLR, a dual-band bandpass filter with three transmission zeros is implemented. The upper stopband extends to 10.75 GHz to have good suppression below -20dB. Advisors/Committee Members: Pu-Hua Deng (chair), Hsing-Feng Chen (chair), Hsin-Lung Su (chair), Chih-Wen Kuo (chair), Ken-Huang Lin (committee member).

Subjects/Keywords: spur-line; bandpass filter (BPF); dual-band; stub-loaded resonator (SLR)

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

APA (6th Edition):

Lo, Y. (2014). Design of Dual-Band Bandpass Filter for WLAN Applications. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0624114-152129

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

Chicago Manual of Style (16th Edition):

Lo, Yu-Hung. “Design of Dual-Band Bandpass Filter for WLAN Applications.” 2014. Thesis, NSYSU. Accessed April 18, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0624114-152129.

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

MLA Handbook (7th Edition):

Lo, Yu-Hung. “Design of Dual-Band Bandpass Filter for WLAN Applications.” 2014. Web. 18 Apr 2021.

Vancouver:

Lo Y. Design of Dual-Band Bandpass Filter for WLAN Applications. [Internet] [Thesis]. NSYSU; 2014. [cited 2021 Apr 18]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0624114-152129.

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

Council of Science Editors:

Lo Y. Design of Dual-Band Bandpass Filter for WLAN Applications. [Thesis]. NSYSU; 2014. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0624114-152129

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


NSYSU

2. Chen, Yan-Jyun. Gain Enhancement Techniques for 60 GHz Antennas.

Degree: Master, Electrical Engineering, 2014, NSYSU

In 2001, the FCC (Federal Communications Commission, USA) allocated a bandwidth of 7 GHz in the range from 57 to 64 GHz. Because the spectrum is unlicensed, it is receiving more and more attention. For this communication, the availability of several GHz bandwidths can be realized in multi-Gbps which can be 40â100 times faster than current WLAN (Wireless Local Area Network) technologies. This spectrum used for short-range wireless applications has high signal attenuation caused by the absorption of oxygen molecules as operating frequency rises to 60 GHz. This disadvantage can be compensated for by using high-gain directive antennas. To overcome the problem mentioned above, we aimed to design a high-gain antenna. For the requirement of high gain, we use the concept of superstrate, effective radiated area, and transmission line model to enhance the performance of gain. We also design a high gain superstrate antenna successfully. Then, a zero-index MTM based unit-cell operating at 60 GHz has been designed for gain enhancement of Yagi antenna. In this thesis, we design high-gain directive antenna successfully. The proposed superstrate antenna possesses broadside radiation, maximum gain of 15 dBi, and flat gain response within 57-66 GHz. The proposed zero-index metamaterial antenna loaded with three layers of MTM directors can enhance the gain by about 4.6 dB which achieves a maximum gain of 10.44 dBi. Advisors/Committee Members: Hsing-Feng Chen (chair), Hsin-Lung Su (chair), Ken-Huang Lin (committee member), Pu-Hua Deng (chair), Chih-Wen Kuo (chair).

Subjects/Keywords: Metamaterial; High gain; Superstrate; 60 GHz

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

APA (6th Edition):

Chen, Y. (2014). Gain Enhancement Techniques for 60 GHz Antennas. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0616114-211634

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

Chicago Manual of Style (16th Edition):

Chen, Yan-Jyun. “Gain Enhancement Techniques for 60 GHz Antennas.” 2014. Thesis, NSYSU. Accessed April 18, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0616114-211634.

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

MLA Handbook (7th Edition):

Chen, Yan-Jyun. “Gain Enhancement Techniques for 60 GHz Antennas.” 2014. Web. 18 Apr 2021.

Vancouver:

Chen Y. Gain Enhancement Techniques for 60 GHz Antennas. [Internet] [Thesis]. NSYSU; 2014. [cited 2021 Apr 18]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0616114-211634.

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

Council of Science Editors:

Chen Y. Gain Enhancement Techniques for 60 GHz Antennas. [Thesis]. NSYSU; 2014. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0616114-211634

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


NSYSU

3. Fang, Chi-Rung. Mobile Devices Antenna for LTE MIMO Operations.

Degree: Master, Electrical Engineering, 2014, NSYSU

This thesis mainly discusses the design of LTE multi-band antennas for the applications of the LTE communication systems. The proposed antenna is also suitable for being embedded in smart mobile devices. A monopole antenna resonates at a frequency of 1.8 GHz was designed as the reference antenna. Then, two resonant frequencice of 700 and 900 MHz were obtained by coupling two shorting strips to the reference antenna. Finally, good impedance matching can be obtained by adjusting the strip width. The proposed multi-band antenna achieved good impedance matching over operating bands of the LTE 700, LTE/GSM 900, LTE/DCS 1800, PCS 1900 and UMTS under S11 ⤠-6 dB criterion. In addition, this antenna element was further applied to multiple-input multiple-output (MIMO) antenna communication system. A simple isolator was designed and placed it between two antenna elements. In this case, the S21 achieves near -15 dB near 1.8 GHz and the generally acceptable standard S21 < -10dB for the LTE applications. The overall antenna size is of only 50 à 20 à 0.8 mm3 that can be easily realized on the printed circuit board. Antenna parameters such as reflection coefficient was measured to validate the proposed antennas. Detail parameters studies and measurement data were performed in the thesis. Advisors/Committee Members: Pu-Hua Deng (chair), Hsing-Feng Chen (chair), Ken-Huang Lin (committee member), Hsin-Lung Su (chair), Chih-Wen Kuo (chair).

Subjects/Keywords: multiband antenna; LTE; MIMO; isolation enhancement; Antenna

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

APA (6th Edition):

Fang, C. (2014). Mobile Devices Antenna for LTE MIMO Operations. (Thesis). NSYSU. Retrieved from http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0624114-173247

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

Chicago Manual of Style (16th Edition):

Fang, Chi-Rung. “Mobile Devices Antenna for LTE MIMO Operations.” 2014. Thesis, NSYSU. Accessed April 18, 2021. http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0624114-173247.

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

MLA Handbook (7th Edition):

Fang, Chi-Rung. “Mobile Devices Antenna for LTE MIMO Operations.” 2014. Web. 18 Apr 2021.

Vancouver:

Fang C. Mobile Devices Antenna for LTE MIMO Operations. [Internet] [Thesis]. NSYSU; 2014. [cited 2021 Apr 18]. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0624114-173247.

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

Council of Science Editors:

Fang C. Mobile Devices Antenna for LTE MIMO Operations. [Thesis]. NSYSU; 2014. Available from: http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0624114-173247

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

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