一种新的四进制差分空间调制方法

在SM（空间调制）系统中,基于差分编码思想对4根发射天线情况提出了一种新的DSM（差分空间调制）方案。在接收端解调时采用差分直接检测法,即根据前后相邻两时刻的接收信号差进行解调。该方法只需测定初始的信道参数,后续接收端与发送端均不需要知道信道状态信息,通信过程中可以抵抗信道参数变化。对DSM方案进行了性能仿真,结果表明,该四进制DSM方案能够实现通信,并且具有较好的抗信道参数变化性能。...

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Published inGuangtongxin Yanjiu pp. 59 - 62
Main Authors 高强, 范丽敏, 韩东升
Format Journal Article
LanguageChinese
Published 《光通信研究》编辑部 01.01.2016
Subjects
空间调制;差分编码;多输入多输出;差分检测
Online AccessGet full text
ISSN1005-8788
DOI10.13756/j.gtxyj.2016.06.017

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Abstract 在SM（空间调制）系统中,基于差分编码思想对4根发射天线情况提出了一种新的DSM（差分空间调制）方案。在接收端解调时采用差分直接检测法,即根据前后相邻两时刻的接收信号差进行解调。该方法只需测定初始的信道参数,后续接收端与发送端均不需要知道信道状态信息,通信过程中可以抵抗信道参数变化。对DSM方案进行了性能仿真,结果表明,该四进制DSM方案能够实现通信,并且具有较好的抗信道参数变化性能。
AbstractList 在SM（空间调制）系统中,基于差分编码思想对4根发射天线情况提出了一种新的DSM（差分空间调制）方案。在接收端解调时采用差分直接检测法,即根据前后相邻两时刻的接收信号差进行解调。该方法只需测定初始的信道参数,后续接收端与发送端均不需要知道信道状态信息,通信过程中可以抵抗信道参数变化。对DSM方案进行了性能仿真,结果表明,该四进制DSM方案能够实现通信,并且具有较好的抗信道参数变化性能。
Author 范丽敏
韩东升
高强
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Snippet 在SM（空间调制）系统中,基于差分编码思想对4根发射天线情况提出了一种新的DSM（差分空间调制）方案。在接收端解调时采用差分直接检测法,即根据前后相邻两时刻的接收信号差...
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SubjectTerms 空间调制;差分编码;多输入多输出;差分检测
Title 一种新的四进制差分空间调制方法
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