NDLI: Theoretical Limits of a Novel Multiplexing Method

Content Provider	IEEE Xplore Digital Library
Author	Haumonte, L. Deneire, L.
Copyright Year	2007
Description	Author affiliation: IMRA Eur., Sophia Antipolis (Haumonte, L.)
Abstract	A novel method to multiplex digital information over cable networks has recently been proposed [1]. This new method baptized ScDMA - standing for Scattering Division Multiple Access - leads to unprecedented advantages [2]. Two important differences with usual communication systems have to be highlighted. Firstly, the usual flow of physical signals carrying information is changed. Even though information is sent by the source, the source does not emit any physical signal. Indeed, the receiver reads the information of the source by sending a signal and analyzing the reflected signal. Secondly, the channel is somehow controlled in a deterministic manner, while in usual communication systems the channel is uncontrolled and considered as random. These two differences have impacts on the theoretical limit performance. In particular the usual expression of the system capacity C is modified: the maximization of the average mutual information I(X; Y) has to be done not only on the input symbol probabilities P(X) but also on the conditional probabilities P(Y\|X) since the channel itself can be controlled. In addition, the case of the multi-rate multi-user capacity leads to unexpected results.
Starting Page	2791
Ending Page	2795
File Size	4999268
Page Count	5
File Format	PDF
ISBN	9781424413973
DOI	10.1109/ISIT.2007.4557641
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-24
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Impedance Scattering parameters Multiaccess communication Mathematical model Communication systems Information analysis Signal analysis Control systems Information retrieval Voltage
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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