Gaussian Matrix based PAPR Reduction Scheme for DCO-OFDM Systems

被引：9
|
作者：
Zhang, T. [1 ,3 ]
Qiao, S. [1 ]
Zhong, F. [2 ]
Guo, S. X. [3 ]
机构：
[1] Northeast Normal Univ, Sch Phys, Changchun 130024, Jilin, Peoples R China
[2] Changchun Inst Technol, Inst Elect & Informat Engn, Changchun 130012, Jilin, Peoples R China
[3] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Jilin, Peoples R China
来源：
OPTIK | 2017年 / 145卷
关键词：
Gaussian matrix multiplication; DC biased optical orthogonal frequency; division multiplexing (DCO-OFDM); Back propagation (BP); PAPR; Visible light communications; ACO-OFDM; TRANSMISSION;
D O I：
10.1016/j.ijleo.2017.07.067
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we proposed a novel peak to average power ratio (PAPR) reduction scheme for the DC-biased optical orthogonal frequency division multiplexing visible light communications (DCO-OFDM) systems. We implement the Gaussian matrix multiplication method to reduce the high PAPR of the DCO-OFDM system at the transmitter and use the back propagation (BP) algorithm to recover the original OFDM frame at the receiver. The simulation results show that the proposed scheme can achieve a PAPR(0) reduction by about 3 dB for 128-subcarrier DCO-OFDM systems, and a nearly identical bit error rate (BER) performance to the ideal OFDM system with no distortion. (C) 2017 Elsevier GmbH. All rights reserved.
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页码：513 / 518
页数：6
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