A restorable clipping scheme for PAPR reduction of OFDM -ROF system

被引：0
|
作者：
He, Zhen [1 ]
Wang, Jian-Ping [1 ]
Yan, Jing [1 ]
机构：
[1] School of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing
来源：
Guangzi Xuebao/Acta Photonica Sinica | 2014年 / 43卷 / 07期
基金：
中国国家自然科学基金;
关键词：
Bit error rate; Orthogonal frequency division multiplexing; Quadrature amplitude modulation; Radio Over Fiber(ROF); Signal processing;
D O I：
10.3788/gzxb20144307.0706017
中图分类号：
学科分类号：
摘要：
In order to reduce the Peak-to-Average Power Ratio (PAPR) of Orthogonal Frequency Division Multiplexing (OFDM), a restorable Clipping scheme is proposed and used in the OFDM and Radio Over Fiber (OFDM-ROF) system. The algorithm is to set a peak detection threshold on the input signals and the signals can be recorded in an array, at the receiving end, the original siginal can be restored in the array effectively. Simulation results show that the new scheme is not only simple, but also significantly improve the BER and the out-of-band radiation performance while guaranteeing the PAPR performance of the QAM-OFDM system.
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页数：7
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