Channel mismatch compensation for space-time adaptive processors

Tisdale, N., Kazmierski, T. and Brooks, D. (2008) Channel mismatch compensation for space-time adaptive processors MILCOM 2008 - 2008 IEEE Military Communications Conference, 7 pp.-.


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Mismatches in the response of the components used in the analogue front-ends of adaptive beamformers can reduce their ability to produce deep nulls against broadband interferers. These mismatches can be removed through a process of calibration performed at start-up and, if required, on a regular basis to track changes in the component psila s response due to environmental changes. In this paper a hardware efficient scheme for compensating for channel mismatches is proposed based on pre-equalization of each channel using frequency domain equalization. The effectiveness of the proposed scheme is simulated and the improvement in broadband nulling is demonstrated on a hardware implementation of an adaptive beamformer.

Item Type: Article
Additional Information: Imported from ISI Web of Science
Organisations: EEE
ePrint ID: 269801
Date :
Date Event
Date Deposited: 21 Apr 2010 07:46
Last Modified: 17 Apr 2017 18:29
Further Information:Google Scholar

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