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학술지 Isolation Improvement of a TRx Stacked Microstrip Patch Antenna using Double Spur-Line Band Rejection Filters
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저자
바트게렐, 엄순영
발행일
201307
출처
Microwave and Optical Technology Letters, v.55 no.7, pp.1444-1448
ISSN
0895-2477
출판사
John Wiley & Sons
DOI
https://dx.doi.org/10.1002/mop.27632
협약과제
12PR5100, 전파간섭 극복 기반 근거리 무선전송(Post-Wifi) 핵심 기술개발, 최재익
초록
In this article, we present a TRx stacked microstrip patch antenna with improved isolation using double spur-line band rejection filters (DSL-BRFs).The typical TRx stacked microstrip patch antenna designed to operate at Ku-band with downlink frequency band of 12.25-12.75 GHz and uplink frequency band of 14.0-14.5 GHz had inherent isolation of 16 dB within TRx-band. The isolation performance of the antenna was improved by at least 23.45 dB in Rx-band and 17.82 dB in Tx-band after introducing the DSL-BRFs into Tx- and Rx-feed networks, respectively. Because the DSL-BRFs are compatible to be embedded in 50-廓 transmission lines, the TRx antenna with the filters are remained in as same size as the antenna without filters. © 2013 Wiley Periodicals, Inc.
키워드
band rejection filter, double spur-line filter, isolation improvement, TRx stacked microstrip patch antenna
KSP 제안 키워드
5 GHz, Band rejection filters, Isolation performance, Ku-Band, Microstrip patch antennas, Transmission line, frequency band, isolation improvement, spur-line