Multichannel 120-Gb/s Data Transmission Over 2 $\,\times\,$ 2 MIMO Fiber-Wireless Link at W-Band
作者： Junwen Zhang , Jianjun Yu , Nan Chi , Ze Dong , Xinying Li
关键词: Multiplexing 、 Radio over fiber 、 Optical polarization 、 Electronic engineering 、 Physics 、 MIMO 、 Data transmission 、 Spatial multiplexing 、 Phase-shift keying 、 Polarization-division multiplexing
摘要: We experimentally demonstrated a seamlessly integrated fiber-wireless system that delivers multichannel 120-Gb/s data through 80-km fiber and 2-m 2×2 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 3×40-Gb/s optical PDM-QPSK signals with 12.5-GHz channel spacing are simultaneously upconverted to carrier by polarization-diversity heterodyne beating then transmitted received two pairs of transmitter receiver antennas, which form full MIMO link. At the receiver, two-stage analog digital downconversion is performed. Polarization demultiplexing realized constant modulus algorithm based on signal processing. bit-error ratio performance for measured after single-mode fiber-28 transmission.
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