中继共享的高斯干扰信道可达和速率分析

doi:10.13190/jbupt.201005.131.louj

北京邮电大学学报 ›› 2010, Vol. 33 ›› Issue (5): 131-135.doi: 10.13190/jbupt.201005.131.louj

中继共享的高斯干扰信道可达和速率分析

娄佳, 罗涛, 乐光新

北京邮电大学无线通信系统与网络实验室

收稿日期:2009-12-11 修回日期:2010-05-14 出版日期:2010-08-28 发布日期:2010-06-15
通讯作者: 娄佳 E-mail:jjareyouthere@gmail.com
基金资助:
国家级.国家自然科学基金项目

Achievable Sum Rate Analysis for a Common RelayAided Gaussian Interference Channel

Received:2009-12-11 Revised:2010-05-14 Online:2010-08-28 Published:2010-06-15

摘要/Abstract

摘要：

为了研究2组用户共存时的高斯干扰信道问题，结合协同通信技术，在高斯干扰信道中引入共享中继，提出了2种基于中继共享的高斯干扰信道的通信系统模型. 分别从理论上推导了2种通信系统模型的可达和速率的上界和下界，并比较了中继处于不同位置时2种通信系统模型的性能. 仿真结果验证了理论分析，所提的2种中继共享通信系统模型的性能均优于无中继通信系统.

关键词: 干扰信道, 中继, 可达和速率

Abstract:

For the problem on a twouser Gaussian interference channel, Gaussian interference channel with a common relay is considered based on cooperation communication technology. Two system models of Gaussian interference channel with a common relay are proposed. For each of two system models, upper and lower bounds on achievable sum rate are studied. Performances corresponding to different relay locations are compared and proved by simulation results. The performance of two system models proposed here outperforms the communication system without relay.

Key words: interference channel, relay, achievable sum rate

中图分类号:

TN911.2

娄佳, 罗涛, 乐光新. 中继共享的高斯干扰信道可达和速率分析[J]. 北京邮电大学学报, 2010, 33(5): 131-135.

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中继共享的高斯干扰信道可达和速率分析

Achievable Sum Rate Analysis for a Common RelayAided Gaussian Interference Channel

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