NDLI: Eigenvalue statistics for Collision Multiplicity estimation

Content Provider	IEEE Xplore Digital Library
Author	Escrig, B.
Copyright Year	2012
Description	Author affiliation: IRIT Laboratory, Université de Toulouse, Toulouse, France (Escrig, B.)
Abstract	In the context of wireless networks, a new technique is proposed for the estimation of the Collision Multiplicity (CM), i.e., the number of packets involved in a collision. The collision signals are observed and a sample covariance matrix of the observations is computed first. Then, an eigenvalue decomposition of this matrix is performed and the eigenvalues are sorted in descending order. Our approach is based on two properties: (i) signal eigenvalues are much larger than noise eigenvalues, (ii) noise eigenvalues are distributed according to a Tracy-Widom (TW) distribution whereas signal eigenvalues are Gaussian distributed. So each eigenvalue is tested until a TW distributed eigenvalue has been detected. When the detection occurs at step i, the CM estimates is set to i-1. Simulations results show that this approach outperforms typical approaches based on the Minimum Description Length (MDL) criterion.
Starting Page	2019
Ending Page	2023
File Size	387779
Page Count	5
File Format	PDF
ISBN	9781467325660
ISSN	21669570
e-ISBN	9781467325691
e-ISBN	9781467325684
DOI	10.1109/PIMRC.2012.6362686
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-09
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Eigenvalues and eigenfunctions Covariance matrix Estimation OFDM Signal to noise ratio Continuous wavelet transforms IEEE 802.11-based networks multi-packet reception collision multiplicity model order selection
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
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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