NDLI: GeoMapped timing of beacons and unicast messages

Content Provider	IEEE Xplore Digital Library
Author	Kovacs, A.
Copyright Year	2009
Abstract	In the context of the vehicle-to-vehicle communications system which is currently under ETSI standardization [1], the periodically broadcast position and status update by each vehicle is a main information source for safety applications. While safety applications require reception of these periodic beacons at high reliability, ‘hidden-terminal’ packet collisions significantly degrade the range of reliable beacon reception. Furthermore, a vehicular communication system may send unicast messages without RTS/CTS procedure for better scalability, in which case ‘hidden-terminal’ packet collisions would significantly impair multi-hop deliveries. This paper proposes a timing algorithm for assignment of beacon transmissions. The proposed geographically derived beacon timer solves the problem of ‘hidden-terminal’ packet collisions, regardless of particular road network topology details. Furthermore, this method does not put any strict synchronization requirement on network layer or MAC layer radio design. As a result, the range of reliable message reception is significantly increased.
Starting Page	286
Ending Page	291
File Size	1402839
Page Count	6
File Format	PDF
ISBN	9781424453467
e-ISBN	9781424453474
DOI	10.1109/ITST.2009.5399340
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-20
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Context Scalability vehicle-to-vehicle communications Standardization congestion control Telecommunication standards Degradation Road accidents ad-hoc networks Unicast Vehicle safety geo-networking Broadcasting Timing beaconing
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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