Spatial channel pairing based coherent combining for relay networks

Feng SHU; Xiao-hui HUANG; Jin-song HU; Ting-ting LIU; Ri-qing CHEN; Xiao-hu YOU; Jun LI; Jin WANG

doi:10.1631/FITEE.1500436

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Spatial channel pairing based coherent combining for relay networks

Regular Papers | Updated：2022-05-19

- Spatial channel pairing based coherent combining for relay networks
- 单中继系统中基于空间信道配对和相干合并的交替迭代结构
- Frontiers of Information Technology & Electronic Engineering Vol. 17, Issue 9, Pages: 938-945(2016)
- Affiliations：
  
  1College of Computer and Information Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
  2School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
  3National Key Laboratory of Electromagnetic Environment, China Research Institute of Radiowave Propagation, Qingdao 266107, China
  4National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China
- Author bio：
  
  E-mail:shufeng@njust.edu.cn
- Funds：
- DOI：10.1631/FITEE.1500436
  CLC： TN925
- Received：06 December 2015，
  
  Accepted：11 March 2016，
  
  Published：2016-09
- Accepted：
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Feng SHU, Xiao-hui HUANG, Jin-song HU, et al. Spatial channel pairing based coherent combining for relay networks[J]. Frontiers of Information Technology & Electronic Engineering, 2016, 17(9): 938-945.
DOI：

Feng SHU, Xiao-hui HUANG, Jin-song HU, et al. Spatial channel pairing based coherent combining for relay networks[J]. Frontiers of Information Technology & Electronic Engineering, 2016, 17(9): 938-945. DOI： 10.1631/FITEE.1500436.

摘要

在单中继系统中，对于给定空间信道配对（spatial channel pairing

SCP）方案，可以推导出最佳相干合并的闭式解；对于给定相干合并方案，也可以得到SCP的近似解析解。由此，本文设计了一种基于SCP和相干合并的交替迭代结构。仿真结果表明：相较于现有的最大比合并加匹配滤波，最大比合并加天线选择以及分布式空时码算法，本文提出的交替迭代结构能够提供更为可观的信噪比增益。

Abstract

In this paper

spatial channel pairing (SCP) is introduced to coherent combining at the relay in relay networks. Closed-form solution to optimal coherent combining is derived. Given coherent combining

the approximate SCP solution is presented. Finally

an alternating iterative structure is developed. Simulation results and analysis show that

given the symbol error rate and data rate

the proposed alternating iterative structure achieves signal-to-noise ratio gains over existing schemes in maximum ratio combining (MRC) plus matched filter

MRC plus antenna selection

and distributed space-time block coding due to the use of SCP and iterative structure.

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references

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