NDLI: Performance studies of an over-sampling multi-channel equalizer for a multi-band UWB system

Content Provider	IEEE Xplore Digital Library
Author	Xiaoming Peng Chin, F. Madhukumar, A.S.
Copyright Year	2003
Description	Author affiliation: Inst. for Infocomm Res., Singapore, Singapore (Xiaoming Peng; Chin, F.)
Abstract	By dividing the available spectrum into multiple bands, the multi-band ultra-wideband (UWB) system possesses many advantages, such as lower design complexity, lower power consumption, lower cost, improving spectral flexibility and worldwide compliance. RAKE receiver, as one of the most popular solution, is used to capture multipath energy and mitigate inter-symbol interference (ISI). In this paper, we propose an over-sampling multi-channel equalizer per sub-band for a multi-band UWB system. The over-sampling multi-channel equalizer provides more effective ISI suppression compared with RAKE receiver when operating in channels with large delay spread. In the presence of multiple uncoordinated piconets, the choice of time-frequency hopping sequence for the proposed equalizer has been investigated. The intensive simulations have been performed and the results show that a random sequencing among piconets is sufficient for the proposed equalizer to support multiple piconets.
Sponsorship	IEEE Microwave Theory and Techniques Soc. IEEE Northern Virginia Section
Starting Page	413
Ending Page	417
File Size	352668
Page Count	5
File Format	PDF
ISBN	0780381874
DOI	10.1109/UWBST.2003.1267875
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-11-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Equalizers Personal area networks Fading Multipath channels Intersymbol interference Ultra wideband technology Energy consumption Costs Energy capture Delay effects
Content Type	Text
Resource Type	Article

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