NDLI: Blind identification of linear channels using the data constellation geometry

Content Provider	IEEE Xplore Digital Library
Author	Diamantaras, K.I.
Copyright Year	2001
Description	Author affiliation: Dept. of Informatics, Technol. Educ. Inst. of Thessaloniki, Sindos, Greece (Diamantaras, K.I.)
Abstract	We propose a novel geometric blind identification method based on the structure of the data constellation created from the output of an ISI-corrupted channel transmitting an M-ary PAM coded source. We formally establish that, in the absence of noise and under certain identification conditions, the covex hull of the constellation contains information sufficient for recovering the channel uniquely (up to the sign). In the noisy case the method must be preceeded by an unsupervised clustering procedure. Contrary to HOS- or SOS-based methods our approach is finite and does not require neither spatial nor temporal diversity. On the negative side, the complexity is higher than exponential with respect to the channel length and so the method is more suitable for short channels.
Sponsorship	Universiti Teknologi Malaysia
Starting Page	264
Ending Page	267
File Size	355126
Page Count	4
File Format	PDF
ISBN	0780367030
DOI	10.1109/ISSPA.2001.949828
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-08-13
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Hidden Markov models Information geometry Digital communication Higher order statistics Finite impulse response filter Signal processing algorithms Informatics Educational technology System identification Speech recognition
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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