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학술지 16-QAM OFDM-Based W-Band Polarization-Division Duplex Communication System with Multi-Gigabit Performance
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저자
김광선, 김봉수, 강민수, 변우진, 박형철
발행일
201404
출처
ETRI Journal, v.36 no.2, pp.206-213
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.14.2113.0083
협약과제
13PR1200, 모바일 빅뱅시대의 스펙트럼 슈퍼하이웨이 기술개발, 최재익
초록
This paper presents a novel 90 GHz band 16-quadrature amplitude modulation (16-QAM) orthogonal frequency-division multiplexing (OFDM) communication system. The system can deliver 6 Gbps through six channels with a bandwidth of 3 GHz. Each channel occupies 500 MHz and delivers 1 Gbps using 16-QAM OFDM. To implement the system, a low-noise amplifier and an RF up/down conversion fourthharmonically pumped mixer are implemented using a 0.1-μm gallium arsenide pseudomorphic high-electronmobility transistor process. A polarization-division duplex architecture is used for full-duplex communication. In a digital modem, OFDM with 256-point fast Fourier transform and (255, 239) Reed-Solomon forward error correction codecs are used. The modem can compensate for a carrier-frequency offset of up to 50 ppm and a symbol rate offset of up to 1 ppm. Experiment results show that the system can achieve a bit error rate of 10-5 at a signal-to-noise ratio of about 19.8 dB. © 2014 ETRI.
키워드
10 Gigabit Ethernet, Error correction code, OFDM, PDD, W-band
KSP 제안 키워드
10 Gigabit Ethernet, 16 quadrature amplitude modulation(16QAM), Bit Error Rate(And BER), Communication system, Error correction code, Experiment results, Fast Fourier transform, Forward error correction(FEC), Full duplex communication, Full-Duplex(FuDu), GHz band