NDLI: A new method of source separation problems: turbo deflation

Content Provider	IEEE Xplore Digital Library
Author	Benrhouma, O. Bouallegue, A. Houcke, S.
Copyright Year	2004
Description	Author affiliation: Dept. of Signal & Commun., ENST de Bretagne, Brest, France (Benrhouma, O.; Bouallegue, A.; Houcke, S.)
Abstract	Recently the space-time codes were introduced. They allow significant profits of performances (J. Foschini et al., March 1996) (V. Tarokh et al., 1998,1999). They consist in using several transmitting antennas and sending the signal on sensor network. The transmitted information is then coded differently on each of the sending antennas. Thus, relevant codes could be highlighted for Rayleigh channels. When the channel is very dispersive, it is impossible to use space-time codes developed within the framework of numerical communications on Rayleigh channel. In this paper, we propose a new method (without training sequence) allowing to take part of emission diversity in the numerical communication context on multipath channels. A communication system having 2 emitting antennas and P received antennas over a frequency selective channel is implemented. Each antenna send the same information but coded differently. The problem is then identified as a sensor blind separation problem : it consists in emitting the transmitted symbols sent by the first antenna and those sent by the second antenna.
Sponsorship	IEEE IEEE Finland Section IEEE SP/CAS Chapter, Finland EURASIP UCSB Tampere Univ. of Technol. Ecole Superieure des Sciences et Techniques de Tunis, ESSTT, Univ. of Manouba
Starting Page	677
Ending Page	680
File Size	327855
Page Count	4
File Format	PDF
ISBN	0780383796
DOI	10.1109/ISCCSP.2004.1296498
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-03-21
Publisher Place	Tunisia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Context Source separation Transmitting antennas Space time codes Receiving antennas Rayleigh channels Frequency Global warming Dispersion Multipath channels
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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