標題: Ultrahigh capacity 2 x 2 MIMO RoF system at 60 GHz employing single-sideband single-carrier modulation
作者: Lin, Chun-Ting
Ho, Chun-Hung
Huang, Hou-Tzu
Cheng, Yu-Hsuan
光電系統研究所
Institute of Photonic System
公開日期: 15-Mar-2014
摘要: This article proposes and experimentally demonstrates a radio-over-fiber system employing single-sideband single-carrier (SSB-SC) modulation at 60 GHz. SSB-SC modulation has a lower peak-to-average-power ratio than orthogonal frequency division multiplex (OFDM) modulation; therefore, the SSB-SC signals provide superior nonlinear tolerance, compared to OFDM signals. Moreover, multiple-input multiple-output (MIMO) technology was used extensively to enhance spectral efficiency. A least-mean-square-based equalizer was implemented, including MIMO channel estimation, frequency response equalization, and I/Q imbalance compensation to recover the MIMO signals. Thus, using 2 x 2 MIMO technology and 64-QAM SSB-SC signals, we achieved the highest data rate of 84 Gbps with 12 bit/s/Hz spectral efficiency using the 7-GHz license-free band at 60 GHz. (C) 2014 Optical Society of America
URI: http://dx.doi.org/10.1364/OL.39.001358
http://hdl.handle.net/11536/23977
ISSN: 0146-9592
DOI: 10.1364/OL.39.001358
期刊: OPTICS LETTERS
Volume: 39
Issue: 6
起始頁: 1358
結束頁: 1361
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