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Multi-channel equalisation and interference cancellation for HF STANAG 4285 transmissions

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2 Author(s)
Warner, E.S. ; Qinetiq Ltd., UK ; Proudler, I.K.

Adaptive multi-channel equalisation is investigated for HF STANAG 4285 transmissions by processing data collected during March-April 2000. The demodulation performance of a conventional multi-channel receiver is compared to that of a bespoke multiple steered-beam method, in interference scenarios in which a single-channel receiver could not acquire, or had difficulty in acquiring, a signal. It is shown that the multiple beam architecture can adapt using a short training sequence whilst maintaining excellent demodulation performance. Multi-channel processing for HF STANAG 4285 is shown to provide a reduction in probability of bit error of two orders of magnitude or more over a COTS modem.

Published in:

HF Radio Systems and Techniques, 2003. Ninth International Conference on (Conf. Publ. No. 493)

Date of Conference:

23-26 June 2003