NDLI: Practical Demonstration of Filterbank Receiver for Ultra-Wideband Radios

Content Provider	IEEE Xplore Digital Library
Author	Mollfulleda, A. Ibars, C. Leyva, J.A. Berenguer, L.
Copyright Year	2006
Description	Author affiliation: Parc Mediterrani de la Tecnologia, Centre Tecnologic de Telecomunicacions de Catalunya, Barcelona (Mollfulleda, A.; Ibars, C.; Leyva, J.A.; Berenguer, L.)
Abstract	In this paper we show that a filterbank receiver architecture for ultra-wideband impulse radio systems is adequate in dense multi-path channels. This approach is derived from a time-frequency representation of the received signal by means of the short time Fourier transform. The receiver consists of an analog section containing bandpass filters followed by a bank of analog-to-digital converters (ADC), while digital processing then synchronizes the receiver and compensates for channel impairments. The filterbank receiver is analyzed in terms of error probability over multi-path channels, leading to a closed form expression of the bit error probability under the hypothesis of synchronized reception. Simulation results for non-line of sight channels show that the performance of the proposed receiver is close to the matched filter bound even with a moderate number of filters. We present a testbed has been implemented to provide a practical demonstration of the capabilities of the FB receiver. Measurement results on channel estimation show that dispersive channels are adequately captured
Starting Page	107
Ending Page	110
File Size	195291
Page Count	4
File Format	PDF
ISBN	2960055152
DOI	10.1109/ECWT.2006.280446
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-09-10
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	EUROPEAN MICROWAVE ASSOCIATION
Subject Keyword	Matched filters Fourier transforms Error probability Receivers Time frequency analysis Filter bank Band pass filters Analog-digital conversion Ultra wideband technology Testing
Content Type	Text
Resource Type	Article

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