Low-Complexity Equalization by Iterative Interference Cancellation for UWB Communications

Efficiently reducing complexity and capturing energy are two critical issues for implementing equalizers in a high-rate ultra-wideband communication link with severe intersymbol interference. In this letter, we propose a low-complexity equalization algorithm using iterative interference cancellation...

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Bibliographic Details
Published in:IEEE signal processing letters 2008, Vol.15, p.753-756
Main Authors: Tian, Yafei, Yang, Chenyang
Format: Article
Language:English
Subjects:
Energy capture
Equalization
Equalizers
Fading
Interference cancellation
Intersymbol interference
iterative algorithm
Iterative algorithms
Multipath channels
Pulse modulation
Ultra wideband communication
Ultra wideband technology
ultra-wideband (UWB)
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Summary:Efficiently reducing complexity and capturing energy are two critical issues for implementing equalizers in a high-rate ultra-wideband communication link with severe intersymbol interference. In this letter, we propose a low-complexity equalization algorithm using iterative interference cancellation. Its complexity is comparable with the Rake receiver, but its performance can approach that of the matched filter bound. The proposed algorithm can accommodate various signaling schemes, including pulse amplitude/position modulation and M-ary bi-orthogonal keying.
ISSN:1070-9908
1558-2361
DOI:10.1109/LSP.2008.2007621