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학술대회 λ/16 Spaced Single RF Chain MIMO Antenna Using Low-Power CMOS Switches
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저자
조영균, 이정남, 이용호, 조권도, 오정훈, 박봉혁
발행일
201509
출처
European Microwave Conference (EuMC) 2015, pp.726-729
DOI
https://dx.doi.org/10.1109/EuMC.2015.7345866
협약과제
14MI9100, (통합)초연결 스마트 모바일 서비스를 위한 5G 이동통신 핵심기술개발, 정현규
초록
A single RF chain multi-input multi-output (MIMO) antenna using low-power CMOS switches is presented for beam-space transceiver systems. A discrete switch simplifies the design and implementation of reconfigurable loads and DC bias circuitries, and does not require complicated external matching components. The proposed approach also provides a compact antenna structure optimized for multiplexing multiple signals. The measured reflection coefficient, peak gain, and total efficiency of the antenna are-12 dB, 3.9 dBi, and 85%, respectively. The over-The-Air experiments for multiplexing two binary phase-shift-keying signals at 2.45 GHz are performed to confirm the effectiveness of the implemented antenna. The corresponding error vector magnitude of the first and second data stream shows 20.6 dB and 16.7 dB, respectively.
키워드
beam-space MIMO, reconfigurable loads, Single RF chain, spatial multiplexing, switch
KSP 제안 키워드
2.45 GHz, CMOS switches, Compact antenna, Data stream, MIMO Antenna, Multi-input, Multi-output, Multiple input multiple output(MIMO), Over-the-air(OTA), Reflection Coefficient, Single RF chain