混合衰落信道下存在反馈时延的多天线中继性能分析

doi:10.3969/j.issn.0372-2112.2014.01.006

电子学报

混合衰落信道下存在反馈时延的多天线中继性能分析

林敏^1,2, 安康³, 欧阳键⁴, 李敏³, 牛英滔¹

1. 解放军理工大学, 江苏南京 210007;
2. 东南大学移动通信国家重点实验室, 江苏南京 210096;
3. 解放军理工大学通信工程学院, 江苏南京 210007;
4. 南京航空航天大学计算机科学与技术学院, 江苏南京 210006

收稿日期:2012-07-16 修回日期:2013-06-15 出版日期:2014-01-25
- 作者简介:
- 林敏 男，1972年10月出生于浙江台州，博士，高级工程师，硕士生导师，解放军理工大学学科带头人，中国电子学会高级会员.主要从事无线和卫星通信、通信信号处理等领域的研究工作.获国家科技进步二等奖1项，军队科技进步二等奖4项，国家发明专利3项，在IEEE JSAC等期刊和IEEE ICC等会议上共发表学术论文70余篇，其中SCI收录11篇，是国内外多家核心刊物的特邀审稿人. E-mail:linmin63@163.com安康男，1989年8月出生于新疆石河子，解放军理工大学硕士研究生.主要研究方向为协同通信、阵列信号处理等. E-mail:ankangnuaa@163.com欧阳键男，1983年12月出生于江苏南京，南京航空航天大学博士研究生，主要研究方向为无线通信网络、无人机通信等.已发表学术论文10余篇，其中SCI收录5篇.
- 基金资助:
- 国家自然科学基金 (No.61271255，No.61102091）; 东南大学移动通信国家重点实验室开放研究基金 (No.2012D15）; 江苏省自然科学基金 (No.BK20130168）; 江苏省普通高校研究生科研创新计划 (No.CXLX11_0202）

Performance Analysis of Multi-Antenna Relaying withFeedback Delay over Mixed Fading Channels

LIN Min^1,2, AN Kang³, OUYANG Jian⁴, LI Min³, NIU Ying-tao¹

1. PLA University of Science and Technology, Nanjing, Jiangsu 210007, China;
2. National Mobile Communications Research Laboratory, Southeast University, Nanjing, Jiangsu 210096, China;
3. College of Communication Engineering, PLA University of Science and Technology, Nanjing, Jiangsu 210007, China;
4. College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu 210006, China

Received:2012-07-16 Revised:2013-06-15 Online:2014-01-25 Published:2014-01-25
- Supported by:
- National Natural Science Foundation of China (No.61271255, No.61102091); Open Research Fund for State Key Laboratory of Mobile Communication of Southeast University (No.2012D15); Natural Science Foundation of Jiangsu Province, China (No.BK20130168); Graduate Research Innovation Program of univerities in Jiangsu Province (No.CXLX11_0202)

摘要/Abstract

摘要： 研究了混合Rayleigh-Rician衰落信道下，存在反馈时延的多天线双跳放大转发（AF）中继系统的性能.首先，基于反馈时延波束成形（BF）模型得到混合衰落信道下中继系统的输出等效信噪比（SNR）.然后，利用无穷级数展开推导出输出信噪比中断概率（OP）和概率密度函数（PDF）的解析表达式，并进一步得到中继系统遍历容量和平均误符号率（ASER）的理论计算公式.最后，计算机仿真验证了所提出的性能分析方法的正确性，并定量分析了天线数量、反馈时延和信道参数对系统性能的影响.

关键词: 放大转发中继系统, 混合衰落信道, 波束成形, 性能分析

Abstract: The performance of a multi-antenna two-hop amplify-and-forward (AF) relay system with feedback delay over mixed fading channels is studied,where the source-relay and relay-destination links follow Rayleigh and Rician fading,respectively.Based on the beamforming (BF) model with feedback delay,we first obtain the equivalent output signal-to-noise ratio (SNR) for the AF relaying.With the help of infinite-series representation,we then derive the analytical expressions for the outage probability (OP) and probability density function (PDF) of the output SNR.Furthermore,the theoretical formulas of the Ergodic capacity and average symbol error rates (ASERs) of the system are also developed.Finally,the analytical results are verified through comparison with Monte Carlo simulations,where the effects of antenna number,feedback delay and channel parameters on the system performance are also investigated.

Key words: amplify-and-forward relaying, mixed fading channels, beamforming, performance analysis

中图分类号:

TN92

林敏, 安康, 欧阳键, 等. 混合衰落信道下存在反馈时延的多天线中继性能分析[J]. 电子学报, DOI: 10.3969/j.issn.0372-2112.2014.01.006.

LIN Min, AN Kang, OUYANG Jian, et al. Performance Analysis of Multi-Antenna Relaying withFeedback Delay over Mixed Fading Channels[J]. Acta Electronica Sinica, DOI: 10.3969/j.issn.0372-2112.2014.01.006.

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混合衰落信道下存在反馈时延的多天线中继性能分析

Performance Analysis of Multi-Antenna Relaying withFeedback Delay over Mixed Fading Channels

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