Laser & Optoelectronics Progress, Volume. 56, Issue 14, 140601(2019)
Application of Pilot-Assisted Peak-to-Average Power Ratio Reduction Technology in Optical Orthogonal Frequency Division Multiplexing Communication System
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Fig. 2. Constellations of 16-QAM optical OFDM. (a) Constellation of basic OFDM signals; (b) pilot-assisted signal constellation without ML-symbol estimation; (c) pilot-assisted signal constellation using ML-symbol estimation; (d) signal constellation with limited amplitude (Ccl=Ccu=40)
Fig. 7. BER-performance comparison between wave-clipped optical OFDM (Ccl=Ccu=40) and pilot-assisted optical OFDM (16-QAM)
Fig. 8. BER-performance comparison between wave-clipped optical OFDM (Ccl=Ccu=25) and pilot-assisted optical OFDM (64-QAM)
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Weilong Ni, Yufu Zheng, Chuying Feng. Application of Pilot-Assisted Peak-to-Average Power Ratio Reduction Technology in Optical Orthogonal Frequency Division Multiplexing Communication System[J]. Laser & Optoelectronics Progress, 2019, 56(14): 140601
Paper Information
Category: Fiber Optics and Optical Communications
Received: Dec. 12, 2018
Accepted: Feb. 25, 2019
Published Online: Jul. 12, 2019
The Author Email: Ni Weilong (799048620@qq.com)
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