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A Robust Adaptive Beamforming Framework With Beampattern Shaping Constraints

We propose a framework based on the use of a set of beampattern shaping constraints. The proposed beamformer possesses not only adaptive interference-rejection ability and robustness against large steering direction errors, but also direct sidelobe control. It contains a new weighing ratio that can...

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Published in:	IEEE transactions on antennas and propagation 2009-07, Vol.57 (7), p.2198-2203
Main Authors:	Nai, S.E., Ser, W., Yu, Z.L., Rahardja, S.
Format:	Article
Language:	English
Subjects:	Adaptive arrays Adaptive control Adaptive control systems Antennas Applied sciences Array signal processing Automatic control Error correction Exact sciences and technology Interference constraints Interference suppression Optimization Programmable control Proportional control Radiocommunications Robust control Robustness Sidelobes Steering Strategy Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments) Weighing
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container_title	IEEE transactions on antennas and propagation
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creator	Nai, S.E. Ser, W. Yu, Z.L. Rahardja, S.
description	We propose a framework based on the use of a set of beampattern shaping constraints. The proposed beamformer possesses not only adaptive interference-rejection ability and robustness against large steering direction errors, but also direct sidelobe control. It contains a new weighing ratio that can automatically control the relative proportions of interference-rejection and sidelobe suppression in different scenarios, without ambiguity. Unlike other beamformers, the proposed beamformer is robust against strong moving interferences, requiring only a coarse estimation of their directions-of-arrival. The generic framework encompasses different optimization strategies for specific application problems.
doi_str_mv	10.1109/TAP.2009.2021971
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subjects	Adaptive arrays Adaptive control Adaptive control systems Antennas Applied sciences Array signal processing Automatic control Error correction Exact sciences and technology Interference constraints Interference suppression Optimization Programmable control Proportional control Radiocommunications Robust control Robustness Sidelobes Steering Strategy Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments) Weighing
title	A Robust Adaptive Beamforming Framework With Beampattern Shaping Constraints
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