NDLI: Diffusion LMS algorithms for sensor networks over non-ideal inter-sensor wireless channels

Content Provider	IEEE Xplore Digital Library
Author	Abdolee, R. Champagne, B.
Copyright Year	2011
Description	Author affiliation: Electrical and Computer Engineering, McGill University, 3480 University Street Montreal, PQ, Canada H3A 2A7 (Abdolee, R.; Champagne, B.)
Abstract	In this paper, we propose diffusion-based least mean square (LMS) algorithms that are robust against fading phenomena in wireless channels. The proposed algorithms, developed by combining diffusion LMS and classical estimation approaches, are able to estimate and update the underlying system parameters at each node by exploiting the sensor measurements and the fused data obtained from the neighboring nodes. The fusion of the information at each node takes place based on a convex combination strategy whose coefficients are determined according to the channel state information, the noise statistics and the output error of the local adaptive filter. In this work, we assume the broadcast data from the sensors experience Rayleigh fading and are further contaminated by the additive noise. Numerical results demonstrate the efficiency of the proposed algorithms and show their satisfactory performance compared with the costly centralized adaptive techniques.
Starting Page	1
Ending Page	6
File Size	607626
Page Count	6
File Format	PDF
ISBN	9781457705120
e-ISBN	9781457705137
e-ISBN	9781457705113
DOI	10.1109/DCOSS.2011.5982212
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-27
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading Wireless communication Wireless sensor networks Non-ideal inter-sensor channels Noise Signal processing algorithms Diffusion cooperative strategy Mathematical model Least squares approximation Distributed adaptive algorithms
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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