Abstract
ABSTRACTWe proposed and experimentally demonstrated a novel architecture for the downlink of satellite‐ground communication system at W‐band (75–110 GHz). Radio‐frequency transparent demodulation technique and polarization multiplexing technique are used to reduce the ground system complexity. Quadrature phase shift keying signals (30 Gbaud/s) are transmitted over 15 m wireless link and 50 km fiber. The net bit rate of the whole system is 100 Gb/s while 20% overhead forward error correction (FEC) code is used. Bit‐rate‐error under FEC limit of 2 × 10−2 is achieved at the optical signal noise ratio of 21 dB. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:409–414, 2015
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