卫星成对载波多址信号的一种联合分离解调算法

TN911.7; 针对现有PCMA处理算法需要先分离后解调,且解调性能受分离误差影响的缺点,提出了一种基于TD-MLSE和PSP-MLSE思想的联合分离解调算法.该算法不需要进行混合信号分离,而是直接从接收信号中估计对方发送的信息序列.仿真表明,该算法在估计符号序列的同时具有良好的信道捕获与跟踪能力,并在2倍过采样下能得到较低的误码性能.小频偏下可选择复杂度小的TD-MLSE算法,而大频偏下选择PSP-MLSE算法跟踪性更好....

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Published inTongxin Xuebao Vol. 31; no. 6; pp. 99 - 105
Main Authors 廖灿辉, 黄渊凌, 周世东
Format Journal Article
LanguageChinese
Published 清华大学,微波与数字通信国家重点实验室,北京,100084 2010
西南电子电信技术研究所,四川,成都,610041%西南电子电信技术研究所,四川,成都,610041%清华大学,微波与数字通信国家重点实验室,北京,100084
Editorial Department of Journal on Communications
Subjects
联合分离解调
成对载波多址
PSP-MLSE
TD-MLSE
Online AccessGet full text
ISSN1000-436X
DOI10.3969/j.issn.1000-436X.2010.06.014

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Abstract TN911.7; 针对现有PCMA处理算法需要先分离后解调,且解调性能受分离误差影响的缺点,提出了一种基于TD-MLSE和PSP-MLSE思想的联合分离解调算法.该算法不需要进行混合信号分离,而是直接从接收信号中估计对方发送的信息序列.仿真表明,该算法在估计符号序列的同时具有良好的信道捕获与跟踪能力,并在2倍过采样下能得到较低的误码性能.小频偏下可选择复杂度小的TD-MLSE算法,而大频偏下选择PSP-MLSE算法跟踪性更好.
AbstractList TN911.7; 针对现有PCMA处理算法需要先分离后解调,且解调性能受分离误差影响的缺点,提出了一种基于TD-MLSE和PSP-MLSE思想的联合分离解调算法.该算法不需要进行混合信号分离,而是直接从接收信号中估计对方发送的信息序列.仿真表明,该算法在估计符号序列的同时具有良好的信道捕获与跟踪能力,并在2倍过采样下能得到较低的误码性能.小频偏下可选择复杂度小的TD-MLSE算法,而大频偏下选择PSP-MLSE算法跟踪性更好.
Author 周世东
廖灿辉
黄渊凌
AuthorAffiliation 清华大学,微波与数字通信国家重点实验室,北京,100084;西南电子电信技术研究所,四川,成都,610041%西南电子电信技术研究所,四川,成都,610041%清华大学,微波与数字通信国家重点实验室,北京,100084
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Author_FL HUANG Yuan-ling
LIAO Can-hui
ZHOU Shi-dong
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成对载波多址
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西南电子电信技术研究所,四川,成都,610041%西南电子电信技术研究所,四川,成都,610041%清华大学,微波与数字通信国家重点实验室,北京,100084
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Title 卫星成对载波多址信号的一种联合分离解调算法
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