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

LIN Min; AN Kang; OUYANG Jian; LI Min; NIU Ying-tao

doi:10.3969/j.issn.0372-2112.2014.01.006

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

更新时间：2025-07-16

- Performance Analysis of Multi-Antenna Relaying withFeedback Delay over Mixed Fading Channels
- Acta Electronica Sinica Vol. 42, Issue 1, Pages: 36-41(2014)
- 作者机构：
  
  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
  5. 解放军理工大学,江苏,南京,210007
  6. 东南大学移动通信国家重点实验室,江苏,南京,210096
  7. 解放军理工大学通信工程学院,江苏,南京,210007
  8. 南京航空航天大学计算机科学与技术学院,江苏,南京,210006
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2014.01.006
  CLC： TN92
- Published：2014
- 稿件说明：
移动端阅览
LIN Min, AN Kang, OUYANG Jian, et al. Performance Analysis of Multi-Antenna Relaying withFeedback Delay over Mixed Fading Channels[J]. Acta Electronica Sinica, 2014, 42(1): 36-41.
DOI：

LIN Min, AN Kang, OUYANG Jian, et al. Performance Analysis of Multi-Antenna Relaying withFeedback Delay over Mixed Fading Channels[J]. Acta Electronica Sinica, 2014, 42(1): 36-41. DOI： 10.3969/j.issn.0372-2112.2014.01.006.

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.

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.

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