Cross-layer distributed approach for optimal rate allocation for homogeneous wireless multicast

A. Mohamed, Hussein Alnuweiri

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Multicast-based data communication is an efficient communication scheme especially in multihop ad hoc networks where the MAC layer is based on one-hop broadcast from one source to multiple receivers. The problem of resource allocation for a set of homogeneous multicast sessions over multihop wireless network is addressed. An iterative algorithm is proposed that achieves the optimal rates for a set of multicast sessions such that the aggregate utility for all sessions is maximised. The authors demonstrate analytically and through simulations that the algorithm achieves optimal resource utilisation while guaranteeing fairness among multicast sessions. The algorithm in network environments with asynchronous distributed computations has been further analysed. Two implementations for the algorithm based on different network settings are presented and show that the algorithm not only converges to the optimal rates in all network settings but it also tracks network changing conditions, including mobility and dynamic channel capacity.

Original languageEnglish
Pages (from-to)838-845
Number of pages8
JournalIET Communications
Volume1
Issue number5
DOIs
Publication statusPublished - 5 Nov 2007
Externally publishedYes

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Communication
Channel capacity
Ad hoc networks
Resource allocation
Wireless networks

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering

Cite this

Cross-layer distributed approach for optimal rate allocation for homogeneous wireless multicast. / Mohamed, A.; Alnuweiri, Hussein.

In: IET Communications, Vol. 1, No. 5, 05.11.2007, p. 838-845.

Research output: Contribution to journalArticle

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