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.
|Additional Information:||Imported from ISI Web of Science|
|Divisions:||Faculty of Physical Sciences and Engineering > Electronics and Computer Science > EEE
|Date Deposited:||21 Apr 2010 07:46|
|Last Modified:||27 Mar 2014 20:15|
|Further Information:||Google Scholar|
|ISI Citation Count:||0|
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