An Optimal Design Method of Superimposed Pilot in MIMO Systems

HAN Xiang; WEI Ji-bo

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An Optimal Design Method of Superimposed Pilot in MIMO Systems

更新时间：2025-07-16

- An Optimal Design Method of Superimposed Pilot in MIMO Systems
- Acta Electronica Sinica Vol. 35, Issue 4, Pages: 732-735(2007)
- 作者机构：
  
  国防科技大学电子科学与工程学院,湖南,长沙,410073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.7
- Published：2007
- 稿件说明：
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HAN Xiang, WEI Ji-bo. An Optimal Design Method of Superimposed Pilot in MIMO Systems[J]. Acta Electronica Sinica, 2007, 35(4): 732-735.
DOI：

HAN Xiang, WEI Ji-bo. An Optimal Design Method of Superimposed Pilot in MIMO Systems[J]. Acta Electronica Sinica, 2007, 35(4): 732-735. DOI：

摘要

与传统的复用式导频相比

叠加导频具有频带利用率高

传输效率高的优点

因而受到了广泛关注.本文基于叠加导频常用的一阶统计量信道估计算法

推导了MIMO(Multiple-Input Multiple-Output)系统中叠加导频参数与信道估计均方误差(Mean Square Error)和接收信干比(Signal to Interference and Noise Ratio)的闭合表达式.并进一步提出了一种叠加导频优化设计方法

使MIMO系统具有联合最优的信道估计均方误差

接收信干比和峰均功率比(Peak to Average Power Ratio).仿真分析了导频参数与信道估计均方误差和接收信干比的关系

表明了优化设计的有效性.

Abstract

In comparison with the multiplex training scheme

superimposed pilot has the advantage of efficient bandwidth and high information rate

thus become more and more attractive.In this paper

the closed form expression of MSE and receive SINR as a function of pilot parameter is deduced

based on the first-order statistic channel estimation algorithm;then an optimal design scheme of superimposed pilot for MIMO systems is proposed to achieve the optimized MSE

receive SINR and PAPR simultaneously;at last the relationship of MSE

receive SNR and pilot parameters is analyzed through simulation

which further validate of optimization scheme.

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