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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Description/Abstract
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 |
| Divisions: | Faculty of Physical and Applied Science > Electronics and Computer Science > EEE |
| Item ID: | 269801 |
| Date Deposited: | 21 Apr 2010 07:46 |
| Last Modified: | 02 Mar 2012 12:22 |
| Contributors: | Tisdale, N. (Author) Kazmierski, T. (Author) Brooks, D. (Author) |
| Date: | 2008 |
| Additional Information: | Imported from ISI Web of Science |
| Status: | Unpublished |
| Further Information: | Google Scholar |
| ISI Citation Count: | 0 |
| URI: | http://eprints.soton.ac.uk/id/eprint/269801 |
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