异步条件下物理层网络编码的性能分析

针对物理层网络编码的性能受各种异步条件影响的问题,理论推导了误码率与载波相位偏移、载波频率偏移和符号偏移之间的数学模型,分析了各种因素对误码率的影响规律.结果表明：在载波相位偏移达到π/2时,系统的误码率趋于一个常数;在载波频率偏移的条件下,误码率受频率偏移和帧长共同影响;在符号偏移的条件下,误码率相对于同步条件下最大损失6 dB....

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Published in	电子技术应用 Vol. 41; no. 6; pp. 103 - 106
Main Author	杨志民胡永江王长龙
Format	Journal Article
Language	Chinese
Published	军械工程学院无人机工程系,河北石家庄,050003 2015
Subjects	物理层网络编码符号偏移误码率载波相位偏移载波频率偏移 symbol offset carrier phase offset 载波相位偏移载波频率偏移 physical layer network coding 误码率 carrier frequency offset bit error rate 物理层网络编码符号偏移
Online Access	Get full text
ISSN	0258-7998
DOI	10.16157/j.issn.0258-7998.2015.06.028

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Abstract	针对物理层网络编码的性能受各种异步条件影响的问题,理论推导了误码率与载波相位偏移、载波频率偏移和符号偏移之间的数学模型,分析了各种因素对误码率的影响规律.结果表明：在载波相位偏移达到π/2时,系统的误码率趋于一个常数;在载波频率偏移的条件下,误码率受频率偏移和帧长共同影响;在符号偏移的条件下,误码率相对于同步条件下最大损失6 dB.
AbstractList	针对物理层网络编码的性能受各种异步条件影响的问题,理论推导了误码率与载波相位偏移、载波频率偏移和符号偏移之间的数学模型,分析了各种因素对误码率的影响规律.结果表明：在载波相位偏移达到π/2时,系统的误码率趋于一个常数;在载波频率偏移的条件下,误码率受频率偏移和帧长共同影响;在符号偏移的条件下,误码率相对于同步条件下最大损失6 dB. TN911.22; 针对物理层网络编码的性能受各种异步条件影响的问题,理论推导了误码率与载波相位偏移、载波频率偏移和符号偏移之间的数学模型,分析了各种因素对误码率的影响规律.结果表明:在载波相位偏移达到π/2时,系统的误码率趋于一个常数;在载波频率偏移的条件下,误码率受频率偏移和帧长共同影响;在符号偏移的条件下,误码率相对于同步条件下最大损失6 dB.
Author	杨志民胡永江王长龙
AuthorAffiliation	军械工程学院无人机工程系,河北石家庄050003
AuthorAffiliation_xml	– name: 军械工程学院无人机工程系,河北石家庄,050003
Author_FL	Hu Yongjiang Yang Zhimin Wang Changlong
Author_FL_xml	– sequence: 1 fullname: Yang Zhimin – sequence: 2 fullname: Hu Yongjiang – sequence: 3 fullname: Wang Changlong
Author_xml	– sequence: 1 fullname: 杨志民胡永江王长龙
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DocumentTitleAlternate	The performance analysis of physical layer network coding under asynchronous conditions
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Keywords	symbol offset carrier phase offset 载波相位偏移载波频率偏移 physical layer network coding 误码率 carrier frequency offset bit error rate 物理层网络编码符号偏移
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Notes	physical layer network coding ; carrier phase offset ; carrier frequency offset ; symbol offset ; bit error rate Because the physical layer network coding （PNC） is affected by a variety of asynchronous conditions,we deduce the mathematical model between the bit error rate and carrier phase offset,carrier frequency offset,symbol offset and analysis the influ- ence of various factors on the bit error rate.The result shows that when the carrier phase offset reaches IT/2,the bit error rate tends to constant with no change in signal to noise ratio;under the condition of carrier frequency offset,bit error rate is connect with frequency offset and frame length; under the condition of symbol offset,bit error rate is 6 dB maximum loss respecting to under the condition of synchronous. Yang Zhimin, Hu Yongjiang, Wang Changlong （Unmanned Aerial System Engineering Department, Ordance Engineering College, Shijiazhuang 050003, China） 11-2305/TN
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SubjectTerms	物理层网络编码符号偏移误码率载波相位偏移载波频率偏移
Title	异步条件下物理层网络编码的性能分析
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