NDLI: Novel multiple access protocol for voice over IP in wireless LAN

Content Provider	IEEE Xplore Digital Library
Author	Hiraguri, T. Ichikawa, T. Iizuka, M. Morikura, M.
Copyright Year	2002
Description	Author affiliation: NTT Access Network Service Syst. Labs., NTT Corp., Yokosuka, Japan (Hiraguri, T.; Ichikawa, T.; Iizuka, M.; Morikura, M.)
Abstract	VoIP (voice over IP) is one of the real time applications which demand that wireless LAN systems achieve severe quality requirements in terms of delay time, jitter and packet loss. However, it is difficult for CSMA/CA (carrier sense multiple access with collision avoidance) to achieve the service quality demanded by VoIP if voice and data traffic coexist, so some form of priority control is needed. This paper proposes a novel multiple access protocol that allows wireless LANs based on autonomous distributed control to satisfy the VoIP requirements. This new protocol suits both VoIP and data traffic and executes priority control dynamically according to whether the VoIP packet collides with a data packet or another VoIP packet. The results of a theoretical analysis and computer simulations indicate its excellent performance. This proposed protocol reduces the delay time of VoIP packets by 54 to 70% compared with conventional CSMA/CA, even if the traffic load increases, provided that the packet loss probability is less than 3%.
Sponsorship	IEEE Commun. Soc. IEEE Comput. Soc
Starting Page	517
Ending Page	523
File Size	414806
Page Count	7
File Format	PDF
ISBN	0769516718
ISSN	15301346
DOI	10.1109/ISCC.2002.1021724
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-07-01
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Access protocols Internet telephony Wireless LAN Delay effects Multiaccess communication Real time systems Jitter Collision avoidance Distributed control Traffic control
Content Type	Text
Resource Type	Article
Subject	Signal Processing Mathematics Computer Networks and Communications Computer Science Applications Software

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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