NDLI: Design of Mobile Receiver in Ultrawideband Impulse Radio System Using Time-Hopping and PPM Modulation

Content Provider	IEEE Xplore Digital Library
Author	Wei-Chiang Wu
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. Eng., Da Yeh Univ. (Wei-Chiang Wu)
Abstract	Ultra wideband (UWB) impulse radio (IR) system has recently being considered for several applications due to its attractive features that include low-power carrierless and ample multipath diversity. Among the various modulation and multiple access schemes, this paper deals with time-hopping (TH) binary pulse position modulation (PPM) operating in the presence of frequency-selective multipath fading downlink channel. We develop two types of low-complexity mobile station (MS) receivers. One is based on the RAKE reception scheme and the other is designed to meet the minimum output energy (MOE) criterion. However, since accurate channel information is crucial for reliable operation, thereby we propose a blind (non-data aided) channel estimator. Simulation results show that the MOE receiver outperforms the RAKE receiver in multiuser environment. Moreover, both the channel estimation algorithm and the MOE reception schemes are shown to be reliable and near-far resistant
Sponsorship	IEEE CPS
Starting Page	2
Ending Page	2
File Size	237233
Page Count	1
File Format	PDF
ISBN	0769526500
DOI	10.1109/ICDT.2006.82
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-29
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ultra wideband technology Pulse modulation Fading RAKE receivers Downlink Channel estimation Frequency Multipath channels Intersymbol interference Infrared detectors
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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