Modified SLM Algorithm for Reducing the PAPR of SFBC MIMO-OFDM Systems

CHEN Fa-tang; ZHA Fan-chao

doi:10.13756/j.gtxyj.2016.02.022

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Modified SLM Algorithm for Reducing the PAPR of SFBC MIMO-OFDM Systems

更新时间：2022-06-28

- Modified SLM Algorithm for Reducing the PAPR of SFBC MIMO-OFDM Systems
- Study on Optical communication Issue 2, Pages: 71-74(2016)
- 作者机构：
  
  重庆邮电大学通信与信息工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2016.02.022
  CLC： TN929.53
- Published：2016，
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[1]陈发堂,查凡超.一种降低SFBC MIMO-OFDM系统PAPR的改进SLM算法[J].光通信研究,2016(02):71-74.

CHEN Fa-tang, ZHA Fan-chao. Modified SLM Algorithm for Reducing the PAPR of SFBC MIMO-OFDM Systems. [J]. Study on Optical communication (2):71-74(2016)
[1]陈发堂,查凡超.一种降低SFBC MIMO-OFDM系统PAPR的改进SLM算法[J].光通信研究,2016(02):71-74. DOI： 10.13756/j.gtxyj.2016.02.022.

CHEN Fa-tang, ZHA Fan-chao. Modified SLM Algorithm for Reducing the PAPR of SFBC MIMO-OFDM Systems. [J]. Study on Optical communication (2):71-74(2016) DOI： 10.13756/j.gtxyj.2016.02.022.

摘要

针对传统SLM（选择映射）算法降低SFBC（空频分组码）MIMO-OFDM（多输入多输出正交频分复用）系统PAPR（峰均功率比）且需要传输边信息的缺陷

提出一种改进的不传输边信息且检测复杂度低的半盲SLM算法。为了将边信息嵌入发送信号并降低接收端半盲检测的复杂度

所提算法将两根天线上的符号序列分成奇偶两部分

并对其中一部分乘以相位因子用于接收端检测边信息。分析和仿真结果表明

该算法大大降低了接收复杂度

且有很好的BER（误码率）性能。

Abstract

In the traditional Selected Mapping（SLM）scheme

side information is required to be transmitted in the reduction of Peak-Average-Power Ratio（PAPR）of Space-Frequency Block Coding（SFBC）Multi-Input Multi-Output Orthogonal Frequency Division Multiplexing（MIMO-OFDM）system.In order to solve this problem

a modified semi-blind SLM algorithm without side information is proposed in this paper.In order to reduce the complexity and embed the side information

the symbol sequence of the two antennas are divided into odd part and even part.One part is multiplied by the phase factor to help receiver to detect the side information.The analysis and simulation results show that the proposed algorithm greatly reduces the complexity of the receiver and has good Bit Error Rate（BER）performance.

关键词

空频分组码选择映射峰均功率比边信息

Keywords

SFBCSLMPAPRside information

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