Multichannel 120-Gb/s Data Transmission Over 2 x 2 MIMO Fiber-Wireless Link at W-Band
Multichannel 120-Gb/s Data Transmission Over 2 x 2 MIMO Fiber-Wireless Link at W-Band
复制标题
W 频段通过 2 x 2 MIMO 光纤无线链路进行多通道 120 Gb/s 数据传输
DOI：
10.1109/lpt.2013.2251623
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发表时间：
2013-04-15
影响因子：
2.6
通讯作者：
Chang, Gee-Kung
中科院分区：
文献类型：
--
作者：
Zhang, Junwen;Yu, Jianjun;Chang, Gee-Kung
我们实验证明了一种无缝集成的光纤-无线系统，该系统采用偏振分复用正交相移键控(PDMQPSK)调制，在92 GHz的W频段通过80公里光纤和2m2×2多输入多输出(MIMO)无线链路传输多路120 Gb/S数据。将信道间隔为12.5 GHz的三路3x40 Gb/S光PDM-QPSK信号同时上变频到92 GHz无线载波，通过光偏振分集外差拍频，由两对发射和接收天线发射和接收，形成一条完整的2x2MIMO无线链路。在无线接收器处，执行两级模拟和数字下变频。基于数字信号处理的恒模算法实现了极化和无线2×2 MIMO解复用。测试了单模光纤-28和2-m无线传输后，120-Gb/S PDMQPSK信号的误码率性能。
We experimentally demonstrated a seamlessly integrated fiber-wireless system that delivers multichannel 120-Gb/s data through 80-km fiber and 2-m 2 x 2 multiple-input multiple-output (MIMO) wireless link at 92-GHz W-band adopting polarization division multiplexing quadrature phase shift keying (PDM-QPSK) modulation. The three-channel 3 x 40-Gb/s optical PDM-QPSK signals with 12.5-GHz channel spacing are simultaneously upconverted to 92-GHz wireless carrier by optical polarization-diversity heterodyne beating and then transmitted and received by two pairs of transmitter and receiver antennas, which form a full 2 x 2 MIMO wireless link. At the wireless receiver, a two-stage analog and digital downconversion is performed. Polarization and wireless 2 x 2 MIMO demultiplexing are realized by constant modulus algorithm based on digital signal processing. The bit-error ratio performance for the 120-Gb/s PDM-QPSK signal is measured after 80-km single-mode fiber-28 and 2-m wireless transmission.