CP-TDMA: Coloring- and Probability-Based TDMA Scheduling for Wireless Ad Hoc Networks

Xuedan ZHANG, Jun HONG, Lin ZHANG, Xiuming SHAN, Victor O. K. LI

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Summary :

This paper addresses the issue of transmission scheduling in wireless ad hoc networks. We propose a Time Division Multiple Access (TDMA) scheduling scheme based on edge coloring and probabilistic assignment, called CP-TDMA. We categorize the conflicts suffered by wireless links into two types: explicit conflicts and implicit conflicts, and utilize two different strategies to deal with them. Explicit conflicts are avoided completely by a simple distributed edge-coloring algorithm µ-M, and implicit conflicts are minimized by applying probabilistic time slot assignments to links. We evaluate CP-TDMA analytically and numerically, and find that CP-TDMA, which requires only local information exhibits a better performance than previous work.

Publication
IEICE TRANSACTIONS on Communications Vol.E91-B No.1 pp.322-326
Publication Date
2008/01/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e91-b.1.322
Type of Manuscript
LETTER
Category
Network

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