ANC-EPWM Transmission of OFDM Signal in RoF Channel
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概要
- 論文の詳細を見る
Radio-over-Fiber (RoF) technology enables low-loss distribution of RF signals over optical fiber transmission system, which contributes much for spreading broadband wireless access services into in-building areas and outdoor dead-spots. However, current broadband wireless access systems employ OFDM schemes and suffer from nonlinear distortion of RoF channel that is mainly caused by Electrical to Optical (E/O) conversion. In this paper, a new RoF transmission scheme employing Amplitude Noise Compensation Envelop Pulse-Width Modulation (ANC-EPWM) transmitter has been proposed to efficiently suppress the impact of RoF channel nonlinearity on OFDM signals. This idea is executed in a typical RoF channel that uses a Mach-Zehnder modulator as its E/O convertor. It is proved by both simulation and experiment that the ANC-EPWM-RoF scheme can achieve linear transmission of OFDM signal via nonlinear RoF channel.
- 2012-04-12
著者
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Yamao Yasushi
Advanced Wireless Communication Research Center Of The University Of Electro-communications
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Matsuura Motoharu
Advanced Wireless Communication Research Center The University Of Electro-communications
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Yokozawa Shinsuke
Advanced Wireless Communication Research Center, the University of Electro-Communications
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Yu Xiaoxue
Advanced Wireless Communication Research Center The University Of Electro-communications
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横澤 真介
電気通信大学先端ワイヤレスコミュニケーション研究センター山尾研究室
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Yokozawa Shinsuke
Advanced Wireless Communication Research Center The University Of Electro-communications
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YAMAO Yasushi
Advanced Wireless Communication Research Center of the University of Electro Communications
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