Evaluation of higher-order techniques for blind adaptive channel estimation on impulse radio channels

Ultrawideband impulse radio systems have several features of interest for multiuser communications in severe multipath environments, such as those often encountered in mobile and indoor wireless networks. We investigate blind adaptive channel estimation algorithms for system identification on impuls...

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Bibliographic Details
Published inConference Record of the Thirty-Third Asilomar Conference on Signals, Systems, and Computers (Cat. No.CH37020) Vol. 2; pp. 1164 - 1170 vol.2
Main Authors Rao, P.V., Barton, R.J.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1999
Subjects
Antennas and propagation
Bandwidth
Broadband antennas
Channel estimation
Higher order statistics
Multipath channels
Pulse modulation
Receiving antennas
Signal resolution
Transmitting antennas
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Summary:Ultrawideband impulse radio systems have several features of interest for multiuser communications in severe multipath environments, such as those often encountered in mobile and indoor wireless networks. We investigate blind adaptive channel estimation algorithms for system identification on impulse radio channels. In particular, we explore algorithms based on higher-order statistics, as opposed to conventional second-order algorithms. The objective of this study is to demonstrate that this approach to channel estimation is preferable for impulse radio systems. Simulations verify the advantage of using higher-order algorithms, regardless of whether or not the channel impulse response corresponds to a minimum phase system.
ISBN:9780780357006
0780357000
ISSN:1058-6393
2576-2303
DOI:10.1109/ACSSC.1999.831891