频率选择性衰落信道中一种OFDM-CANC的性能

doi:10.3969/j.issn.0255-8297.2013.04.004

应用科学学报 ›› 2013, Vol. 31 ›› Issue (4): 353-360.doi: 10.3969/j.issn.0255-8297.2013.04.004

频率选择性衰落信道中一种OFDM-CANC的性能

吴爱爱1, 张祖凡1,2, 蒋红君1

1. 重庆邮电大学通信与信息工程学院，重庆400065
2. 重庆邮电大学移动通信重点实验室，重庆400065

收稿日期:2011-06-29 修回日期:2011-09-13 出版日期:2013-07-27 发布日期:2011-09-13
通信作者: 张祖凡，博士，教授，研究方向：无线移动通信理论与技术, E-mail：zhangzf@cqupt.edu.cn
作者简介:张祖凡，博士，教授，研究方向：无线移动通信理论与技术, E-mail：zhangzf@cqupt.edu.cn
基金资助:
重庆市自然科学基金(No.CSTC2009BA2090, No.CSTC2011jjA40001)；教育部“春晖计划”合作科研项目基金(No.Z2009-1-63017)；重庆市科技攻关计划项目基金(No. CSTC2010AC2143)资助

Performance of OFDM-CANC in a Frequency-Selective Fading Channel

WU Ai-ai1, ZHANG Zu-fan1,2, JIANG Hong-jun1

1. School of Communications and Information Engineering, Chongqing University of Posts
and Telecommunications, Chongqing 400065, china
2. Key Laboratory of Mobile Communication Technology, Chongqing University of Posts
and Telecommunications, Chongqing 400065, China

Received:2011-06-29 Revised:2011-09-13 Online:2013-07-27 Published:2011-09-13

摘要/Abstract

摘要： 结合OFDM 与协作网络编码，在频率选择性衰落信道中提出了一种正交频分复用-合作模拟网络编码(orthogonal frequency division multiplexing-cooperative analog network coding, OFDM-CANC) 方案. 采用网络编码提高协作中继系统的频谱有效性，同时以OFDM 的抗频率选择性衰落特性改善信道衰落对协作网络编码
性能的影响，并进一步提出一种基于此方案的最优系统功率分配策略. 理论分析和仿真分析表明，所提方案可改善信道的频率选择性衰落.

关键词: 网络编码, 协作中继, 频率选择性衰落, 正交频分复用

Abstract: Physical layer network coding is a promising technique for further improving spectral efficiency and network capacity of cooperative relay systems. OFDM is an efficient way to combat selective channel fading.In view of that, an orthogonal frequency division multiplexing-cooperative analog network coding (OFDMCANC)scheme is proposed, which uses network coding to improve the system spectral efficiency, and uses OFDM to cope with channel distortion. An optimal system power allocation method based on the scheme is also presented. Theoretical analysis and simulation results show that the proposed scheme can improve frequency selective fading of the channel.

Key words: network coding, cooperative relay, frequency-selective fading, orthogonal frequency division multiplexing(OFDM)

中图分类号:

TN911.2

吴爱爱1, 张祖凡1,2, 蒋红君1. 频率选择性衰落信道中一种OFDM-CANC的性能[J]. 应用科学学报, 2013, 31(4): 353-360.

WU Ai-ai1, ZHANG Zu-fan1,2, JIANG Hong-jun1. Performance of OFDM-CANC in a Frequency-Selective Fading Channel[J]. Journal of Applied Sciences, 2013, 31(4): 353-360.

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频率选择性衰落信道中一种OFDM-CANC的性能

Performance of OFDM-CANC in a Frequency-Selective Fading Channel

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