NDLI: Multichannel Medium Access Control for Dedicated Short-Range Communications

Content Provider	IEEE Xplore Digital Library
Author	Mak, T.K. Laberteaux, K.P. Sengupta, R. Ergen, M.
Copyright Year	1967
Abstract	This paper describes a medium access control (MAC) protocol to enable multichannel operation for dedicated short-range communications (DSRCs). In particular, we focus on the challenge of supporting potentially high-bandwidth commercial or infotainment communications between vehicles and the roadside in hotspots over several service channels, while concurrently enabling time-critical vehicle-vehicle communications for safety in a separate channel. In our architecture, within hotspots, the communication is aided by one of the access points in the hotspot. This access point is designated as the coordinating access point (CAP). Outside the hotspots, the communication is for safety only and is conducted in an ad hoc fashion. The CAP protocol design leverages IEEE 802.11 point coordination function (PCF) and distributed coordination function (DCF), which are modified for multichannel operation. The design objective is to maximize the utilization of the service channel that is used for nonsafety communications while meeting the quality-of-service (QoS) constraints of the safety communications. The performance of the IEEE 802.11 DCF and PCF and the CAP extension is quantified by simulation in NS-2. The mobility model represents a four-lane freeway at maximum vehicular traffic flow that is derived from the SHIFT traffic simulator. The CAP design is shown to significantly enhance the performance of safety and nonsafety communications.
Sponsorship	IEEE Vehicular Technology Society
Starting Page	349
Ending Page	366
Page Count	18
File Size	1533934
File Format	PDF
ISSN	00189545
Volume Number	58
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Media Access Protocol Vehicle safety Road safety Automotive engineering Traffic control FCC Safety devices Access protocols Road vehicles Wireless LAN wireless local area network (LAN) Dedicated short-range communication (DSRC) distributed coordination function (DCF) IEEE 802.11 point coordination function (PCF) vehicular communication wireless access in vehicular environments (WAVE) DCF DSRC WAVE Vehicular Communication PCF
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Automotive Engineering Computer Networks and Communications Electrical and Electronic Engineering Aerospace Engineering

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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