Wideband Adaptive Antenna Sidelobe Cancellation via Exploitation of Subband Filter Banks

ZHAO Yong-bo; SHUI Peng-lang; ZHANG Shou-hong

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Wideband Adaptive Antenna Sidelobe Cancellation via Exploitation of Subband Filter Banks

更新时间：2025-07-16

- Wideband Adaptive Antenna Sidelobe Cancellation via Exploitation of Subband Filter Banks
- Acta Electronica Sinica Vol. 33, Issue 3, Pages: 556-559(2005)
- 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： TN957
- Published：2005
- 稿件说明：
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ZHAO Yong-bo, SHUI Peng-lang, ZHANG Shou-hong. Wideband Adaptive Antenna Sidelobe Cancellation via Exploitation of Subband Filter Banks[J]. Acta Electronica Sinica, 2005, 33(3): 556-559.
DOI：

ZHAO Yong-bo, SHUI Peng-lang, ZHANG Shou-hong. Wideband Adaptive Antenna Sidelobe Cancellation via Exploitation of Subband Filter Banks[J]. Acta Electronica Sinica, 2005, 33(3): 556-559. DOI：

摘要

文[6]提出在数字移动通信中子带滤波器组处理可以提高不同阵元信号的相关性

从而能改善自适应阵列抑制码间干扰(ISI)和共信道干扰(CCI)的能力.在文[6]的基础上

本文研究了子带滤波器组在宽带自适应天线旁瓣相消中的应用

对其原理进行了理论分析

提出了有效的子带处理方法.经研究表明

子带滤波器组处理能有效增加主、辅助天线信号的相关性

从而提高系统干扰相消比.而且适当的过采样能使系统干扰相消比进一步提高.计算机仿真结果和实测雷达数据处理结果证实了子带处理方法的有效性和理论分析的正确性.

Abstract

Subband adaptive array processing for mitigation of both intersymbol interference(ISI) and cochannel interference(CCI) in digital mobile communications is proposed in [6].The application of subband filter banks to wideband adaptive antenna sidelobe cancellation is studied and an efficient method is proposed.It has been shown that the signal correlation of main channel and auxiliary channel can be enhanced via exploitation of subband filter banks.So the interference cancellation performance can be improved.Appropriate oversampling can improve the interference cancellation performance further.Computer simulation and real data processing results show that the method is effective and the theoretical analysis is correct.

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