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A wireless hybrid contention/TDMA-based MAC for real-time mobile application

Published: 16 March 2008 Publication History

Abstract

Wireless communication has been successfully used in a variety of mobile applications, including those with real-time requirements. In such systems, timing guarantees are normally obtained by using a TDMA-based Medium Access Control (MAC) protocol, relying in a coordinator node in charge of time-slots allocation. However, certain applications cannot make use of such coordinator because it simply does not exist, normally due to restrictions in the operation environment. To solve this problem we present in this paper a MAC protocol that operates without a central coordinator, with minimum global information, and with no previous assignments of roles to nodes nor resource reservations. Our proposed Hybrid Contention/TDMA-based (HCT) MAC is specially designed to work with ad-hoc wireless networks organized in clusters, providing timely bounded communications both inside and outside the clusters. This paper presents a detailed description of the resource reservation procedure of HCT, including an analytical analysis of its expected performance.

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cover image ACM Conferences
SAC '08: Proceedings of the 2008 ACM symposium on Applied computing
March 2008
2586 pages
ISBN:9781595937537
DOI:10.1145/1363686
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Publication History

Published: 16 March 2008

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Author Tags

  1. medium access control
  2. mobile systems
  3. real-time communication
  4. wireless networks

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SAC '08
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SAC '08: The 2008 ACM Symposium on Applied Computing
March 16 - 20, 2008
Fortaleza, Ceara, Brazil

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Overall Acceptance Rate 1,650 of 6,669 submissions, 25%

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