NDLI: SINR-based scheduling for minimum latency broadcast

Content Provider	IEEE Xplore Digital Library
Author	Kam, C. Kompella, S. Ephremides, A. Moskowitz, I.S.
Copyright Year	2015
Description	Author affiliation: Electr. & Comput. Eng. Dept., Univ. of Maryland, College Park, MD, USA (Ephremides, A.) \|\| Inf. Technol. Div., Naval Res. Lab., Washington, DC, USA (Kam, C.; Kompella, S.; Moskowitz, I.S.)
Abstract	We study the minimum latency broadcast scheduling problem, in which a single source has a quantity of data that must be transmitted to all other nodes in a multi-hop network in minimum time. Aside from the obvious application to classical communications, this problem also relates to some more general problems in the field of network science. Previous approaches to scheduling have assumed a simplistic collision model of interference, while others have studied the more realistic physical model of total received interference power. Existing suboptimal approaches for transmitting the data typically assume a collision-free, fixed-rate, single packet transmission. In this work, we devise an optimal approach for broadcast under a physical interference model with fixed-rate, single packet transmission by converting it to a shortest path problem for an unweighted, undirected graph. Since this optimal approach does not scale well, we also consider a suboptimal layered approach which separates the routing and scheduling functions, but relaxes the fixed-rate, single packet assumption. This goes beyond the signal-to-interference-plus-noise (SINR) threshold model to allow for rate adaptation as a function of SINR. We include improvements on previous routing approaches, and we formulate a linear programming approach to the variable-rate scheduling for broadcast. Simulations show that in some special cases, this variable-rate layered approach can even outperform the optimal fixed-rate, single packet approach.
Starting Page	6252
Ending Page	6257
File Size	284128
Page Count	6
File Format	PDF
e-ISBN	9781467364324
DOI	10.1109/ICC.2015.7249320
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-08
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference Schedules Signal to noise ratio Routing Transmitters Arrays Ad hoc networks
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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