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Traffic Sensitive MAC Algoithms in Multi-Hop Radio Networks
2001 (English)In: Global Telecommunications Conference, 2001. GLOBECOM '01. IEEE, New York: IEEE , 2001, 2885-2889 p.Conference paper (Refereed)
Abstract [en]

An exciting application of multihop packet radio networks (MPRNet) is to provide communication services in environments without a suitable infrastructure. One key design issue in MPRNet is the formulation of medium access control (MAC) protocols. The performance of two MAC protocols, slotted ALOHA (S-ALOHA) and spatial TDMA (S-TDMA), is investigated. In many MPRNet, the traffic load can vary considerably from link to link. We consider improving the network performance by incorporating traffic load information into the MAC protocol design. In S-ALOHA, nodes transmit at random with some specified probability q. By defining q in terms of traffic load and connectivity, near optimum performance is achieved. For S-TDMA, the design of transmission schedules is considered. A systematic procedure for generating schedules, based on connectivity, is described and this procedure is enhanced considerably by utilizing traffic load information. The resulting traffic-sensitive schedules markedly improve network performance.

Place, publisher, year, edition, pages
New York: IEEE , 2001. 2885-2889 p.
National Category
Computer and Information Science
Research subject
URN: urn:nbn:se:kth:diva-28034DOI: 10.1109/GLOCOM.2001.965956ISBN: 0-7803-7206-9OAI: diva2:383826
IEEE Global Telecommunications Conference, San Antonio,Texas, 25 nov 2001 - 29 nov 2001
QC 20110111Available from: 2011-01-06 Created: 2011-01-06 Last updated: 2011-01-11Bibliographically approved

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Somarriba Jarquín, Oscar
Computer and Information Science

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