NDLI: An Adaptive Nonlinear Rake Receiver in UWB Wireless Communications

Content Provider	IEEE Xplore Digital Library
Author	Ning Xie Yuanping Zhou
Copyright Year	2006
Description	Author affiliation: Dept. of Electron. & Commun. Eng., Sun Yat-Sen Univ., Guangzhou (Ning Xie; Yuanping Zhou)
Abstract	In ultra wideband (UWB) systems, one of main the problems is that the UWB system must coexist with other narrowband wireless systems that may cause interference to each other. On other hand, a large bandwidth also results in multipath channels and the Rake receiver has been an appropriate choice to combat multipath fading. However, the performance of Rake receiver degrades when the narrowband interference (NBI) is present. Although we can adopt an optimized Rake receiver to suppress the NBI such as the minimum mean square error (MMSE) Rake receiver the computational complexity is prohibitive in practical implementation. In this paper, based on nonlinear techniques we present a new adaptive Rake receiver which can effectively suppress the NBI with a low complexity. Simulation results show that the proposed receiver outperforms the linear predictor and nonlinear predictor, and it achieves almost the same performance as that of a MMSE Rake receiver but with a much lower complexity
Sponsorship	IEEE SYSTEMS, MAN AND CYBERNETICS SOC
Starting Page	480
Ending Page	485
File Size	924803
Page Count	6
File Format	PDF
ISBN	1424400651
DOI	10.1109/ICNSC.2006.1673193
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-04-23
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Multipath channels Wireless communication Narrowband Interference Ultra wideband technology Bandwidth Degradation Mean square error methods Computational complexity
Content Type	Text
Resource Type	Article

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