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http://dx.doi.org/10.4218/etrij.14.2113.0083

16-QAM OFDM-Based W-Band Polarization-Division Duplex Communication System with Multi-gigabit Performance  

Kim, Kwang Seon (Broadcasting & Telecommunications Media Research Laboratory, ETRI)
Kim, Bong-Su (Broadcasting & Telecommunications Media Research Laboratory, ETRI)
Kang, Min-Soo (Broadcasting & Telecommunications Media Research Laboratory, ETRI)
Byun, Woo-Jin (Broadcasting & Telecommunications Media Research Laboratory, ETRI)
Park, Hyung Chul (Department of Electronic and IT Media Engineering, Seoul National University of Science and Technology)
Publication Information
ETRI Journal / v.36, no.2, 2014 , pp. 206-213 More about this Journal
Abstract
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 fourth-harmonically pumped mixer are implemented using a $0.1-{\mu}m$ gallium arsenide pseudomorphic high-electron-mobility 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.
Keywords
W-band; PDD; OFDM; 10 Gigabit Ethernet; error correction code;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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