NDLI: A Study of the Correlations Between Channel and Traffic Statistics in Multihop Networks

Content Provider	IEEE Xplore Digital Library
Author	Min Xie Haenggi, M.
Copyright Year	1967
Abstract	This paper investigates the correlations between traffic statistics and channel qualities and their impact on the performance of multihop networks. The physical channel is characterized by the probability of successful reception, which depends on the multiple access interference (MAI). Since a node contributes to interference only if it has a nonempty buffer upon being scheduled, the MAI is determined not only by the media-access-control (MAC) scheme but also by the traffic statistics. Therefore, the physical channel performance is intertwined with both the MAC scheme and the traffic statistics. We discuss the autocorrelation in the channels themselves and the cross correlation between the channel and traffic rates and derive closed-form expressions for the network throughput and capacity for -phase time division multiple access (TDMA) and slotted ALOHA. We also find that, in addition to the traffic rate, the traffic burstiness and correlation have a significant influence on . For smooth traffic, even without the MAC control, the traffic correlation could induce optimal spatial reuse like TDMA without the overhead of establishing and maintaining the frame structure. For bursty traffic, we propose an approach that employs a packet dropping policy and takes advantage of the traffic correlation to form a similar natural spacing as for smooth traffic.
Sponsorship	IEEE Vehicular Technology Society
Starting Page	3550
Ending Page	3562
Page Count	13
File Size	592851
File Format	PDF
ISSN	00189545
Volume Number	56
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Telecommunication traffic Statistics Spread spectrum communication Communication system traffic control Multiple access interference Time division multiple access Probability Autocorrelation Closed-form solution Throughput time division multiple access (TDMA) Access protocols fading channels mobile communication multiaccess communication Rayleigh channels Access Protocols Time division multiaccess Multiaccess Communication Mobile Communication Fading Channels
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Automotive Engineering Computer Networks and Communications Electrical and Electronic Engineering Aerospace Engineering

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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
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