A Calibration Algorithm for Smart Antenna with Receiver Channel Mismatch

WU Li-li; LIAO Gui-sheng; ZHANG Lin-rang

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A Calibration Algorithm for Smart Antenna with Receiver Channel Mismatch

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- A Calibration Algorithm for Smart Antenna with Receiver Channel Mismatch
- Acta Electronica Sinica Vol. 29, Issue S1, Pages: 1845-1847(2001)
- 作者机构：
  
  西安电子科技大学雷达信号处理重点实验室,陕西,西安,710071
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN82
- Published：2001
- 稿件说明：
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WU Li-li, LIAO Gui-sheng, ZHANG Lin-rang. A Calibration Algorithm for Smart Antenna with Receiver Channel Mismatch[J]. Acta Electronica Sinica, 2001, 29(S1): 1845-1847.
DOI：

WU Li-li, LIAO Gui-sheng, ZHANG Lin-rang. A Calibration Algorithm for Smart Antenna with Receiver Channel Mismatch[J]. Acta Electronica Sinica, 2001, 29(S1): 1845-1847. DOI：

摘要

通道之间幅相特性的不一致性(通道失配)严重影响着智能天线的性能

而通道均衡器是补偿通道失配的一种方法.如果不剔除因均衡而注入的信号

则它将严重影响用户的检测性能.本文在现有方法的基础上提出了一种新的校正方法

该方法利用自适应干扰抑制的原理抑制了注入信号

从而检测性能大大提高.最后

基于仿真实验的结果

讨论了均衡器及干扰抑制的性能与一些主要参数的关系.

Abstract

The performance of a smart antenna system is deteriorated markedly by the mismatch among antenna element channels.To combat this

an equalizer is usually used

but the detection of useful signals for active users is degraded since the additional signal is required in equalization.A new calibration method is proposed in this paper

which can mitigate the additional signal.Simulation results are presented to demonstrate its effectiveness

and the relationship between the performance and some key parameters is also discussed.

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