期刊文献+

联合改进法降低OFDM-PON系统的峰均比 被引量:4

Joint improved method reduces the PAPR in OFDM-PON system
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摘要 提出了联合应用改进的限幅法和自适应预失真技术来降低OFDM-PON系统中的峰值平均功率比(PAPR)。通过Optisystem和Matlab软件对OFDM-PON下行传输系统性能进行仿真验证。结果表明,相比其它方法,改进后的系统PAPR有了很大的改善,在相同误码率的情况下,降低了系统需要的光信噪比,提高了系统性能。 The paper puts forward the application of joint improved clipping and adaptive predistortion tech- niques to reduce peak average power ratio of OFDM-PON system.The simulation of OFDM-PON downstream transmission system performance by Optisystem and Matlab software.The results show that the system PAPR compares with other methods is greatly improved, under the condition of same BER,the improved system de- creases requirements of OSNR, the system performance is m-eatlv improved
出处 《光通信技术》 北大核心 2015年第1期8-10,共3页 Optical Communication Technology
基金 甘肃省高等学校科研项目(2013A-048)资助
关键词 OFDM-PON 峰值平均功率比 限幅 自适应预失真 OFDM-PON, peak to average power ratio(PAPR), clipping, adaptive predistortion
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参考文献7

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二级参考文献17

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