The Performance of QSP Beamformer with Array Error

SHI Shuang-ning; SHANG Yong; LIANG Qing-lin; LIANG Bin

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The Performance of QSP Beamformer with Array Error

更新时间：2025-07-16

- The Performance of QSP Beamformer with Array Error
- Acta Electronica Sinica Vol. 36, Issue 6, Pages: 1088-1091(2008)
- 作者机构：
  
  1. 北京大学信息科学技术学院,北京,100871
  2. 新疆石河子大学信息科学技术学院,新疆,石河子,832003
  3. 北京大学信息科学技术学院北京,100871
  4. 新疆石河子大学信息科学技术学院新疆石河子,832003
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN911.23
- Published：2008
- 稿件说明：
移动端阅览
SHI Shuang-ning, SHANG Yong, LIANG Qing-lin, et al. The Performance of QSP Beamformer with Array Error[J]. Acta Electronica Sinica, 2008, 36(6): 1088-1091.
DOI：

SHI Shuang-ning, SHANG Yong, LIANG Qing-lin, et al. The Performance of QSP Beamformer with Array Error[J]. Acta Electronica Sinica, 2008, 36(6): 1088-1091. DOI：

摘要

在移动通信中

由于移动而导致信号波达方向不断变化

同时天线阵导向矢量扰动误差和采样协方差矩阵估计误差的存在

使得传统波束成形器产生波束畸变和明显的输出信干噪比下降.QSP波束成形器作为一种新的鲁棒性波束成形器

在上述应用场景

具有很好的性能.本文分析了QSP波束成形器的性能

并通过仿真比较验证了QSP波束成形器的有效性.分析和实验表明

在上述应用环境中

通过适当调整影响因子

QSP波束成形器较传统波束成形器有更稳定的输出性能.

Abstract

the movement of the terminals in mobile communication which leads to the continuous changing of the DOAs of all signals

the random steering vector errors and the covariance matrix estimation errors result in the degradation of the output SINR with conventional beamformer.As a new robust beamformer

QSP beamformer presents its good performance in that situation depending on its efficiency and validity.The simulations prove the stable output can be maintained in different environment with different impact factor.

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