Based on Superposition Coded for Spatial Modulation System Design

LI Xiao-wen; XUE Yao; ZHANG Ding-quan

doi:10.13756/j.gtxyj.2017.01.019

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Based on Superposition Coded for Spatial Modulation System Design

- Based on Superposition Coded for Spatial Modulation System Design
- Study on Optical communication Issue 1, Pages: 61-64(2017)
- 作者机构：
  
  重庆邮电大学重庆市移动通信技术重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2017.01.019
  CLC： TN929.5
- Published：2017，
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[1]李小文,薛尧,张丁全.空间调制系统下改进的匹配滤波检测算法[J].光通信研究,2017(01):61-64.

LI Xiao-wen, XUE Yao, ZHANG Ding-quan. Based on Superposition Coded for Spatial Modulation System Design. [J]. (1):61-64(2017)
[1]李小文,薛尧,张丁全.空间调制系统下改进的匹配滤波检测算法[J].光通信研究,2017(01):61-64. DOI： 10.13756/j.gtxyj.2017.01.019.

LI Xiao-wen, XUE Yao, ZHANG Ding-quan. Based on Superposition Coded for Spatial Modulation System Design. [J]. (1):61-64(2017) DOI： 10.13756/j.gtxyj.2017.01.019.

摘要

SM（空间调制）作为一种新颖的多天线传输方案

独创性地将输入比特与发射天线序号构成一种映射关系来传输比特信息。由于SM系统的ML（最大似然）最优检测算法需要遍历所有可能的码本

其检测复杂度很高

因此人们相继提出了一些简化算法

如MF（匹配滤波）、SD（球形译码）算法等。与这些算法思路不同

文章将EMF（穷搜索MF）与NMF（最优MF）算法相结合

引入候选集因子T有效均衡系统性能与复杂度。仿真结果表明:当T=4时

改进的MF检测算法能获得与EMF相似的系统性能

但计算复杂度更低。

Abstract

Spatial Modulation（SM）is a novel multi-antenna transmission scheme

which originally constitutes a mapping relation between inputting bits and transmitting antenna.Due to the fact that the Maximum Likelihood（ML）optimal detection algorithm of SM system requires traversing all possible codebook

the algorithm suffers high detection complexity.For this reason

some people have proposed simplified algorithms

such as MF

sphere decoding algorithm.Different from these algorithms

this paper combines EMF algorithm and NMF algorithm.We add candidate set factor Tto effectively balance the system performance and complexity.Simulation results show that when T =4

the improved MF detection algorithm can achieve similar performance as EMF algorithm

but with lower computational complexity.

关键词

空间调制信号检测最大似然匹配滤波

Keywords

spatial modulationsignal detectionmaximum likelihoodmatched filtering

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