Utility-based optimal rate allocation for heterogeneous wireless multicast

Amr Mohamed, Hussein Alnuweiri

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

Heterogeneous multicast is an efficient communication scheme especially for multimedia applications running over multihop networks when multicast receivers in the same session require service at different rates commensurate with their capabilities. In this paper, we address the problem of resource allocation for a set of heterogeneous multicast sessions over multihop wireless networks. We propose an iterative algorithm that achieves the optimal rates for a set of heterogeneous multicast sessions such that the aggregate utility for all sessions is maximized. We present the formulation of the multicast resource allocation problem as a non-linear optimization model and highlight the cross-layer framework that can solve this problem in a distributed ad hoc network environment with asynchronous computations. Our simulations show that the algorithm achieves optimal resource utilization, guarantees fairness among multicast sessions, provides flexibility in allocating rates over different parts of the multicast sessions and adapts to changing conditions such as dynamic channel capacity and node mobility. Our results show that the proposed algorithm not only provides flexibility in allocating resources across multicast sessions, but also increases the aggregate system utility and improves the overall system throughput by almost 30% compared to homogeneous multicast.

Original languageEnglish
Title of host publication2007 IEEE International Conference on Communications, ICC'07
Pages3463-3470
Number of pages8
DOIs
Publication statusPublished - 1 Dec 2007
Externally publishedYes
Event2007 IEEE International Conference on Communications, ICC'07 - Glasgow, Scotland, United Kingdom
Duration: 24 Jun 200728 Jun 2007

Other

Other2007 IEEE International Conference on Communications, ICC'07
CountryUnited Kingdom
CityGlasgow, Scotland
Period24/6/0728/6/07

Fingerprint

Resource allocation
Channel capacity
Ad hoc networks
Wireless networks
Throughput
Communication

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Mohamed, A., & Alnuweiri, H. (2007). Utility-based optimal rate allocation for heterogeneous wireless multicast. In 2007 IEEE International Conference on Communications, ICC'07 (pp. 3463-3470). [4289244] https://doi.org/10.1109/ICC.2007.573

Utility-based optimal rate allocation for heterogeneous wireless multicast. / Mohamed, Amr; Alnuweiri, Hussein.

2007 IEEE International Conference on Communications, ICC'07. 2007. p. 3463-3470 4289244.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mohamed, A & Alnuweiri, H 2007, Utility-based optimal rate allocation for heterogeneous wireless multicast. in 2007 IEEE International Conference on Communications, ICC'07., 4289244, pp. 3463-3470, 2007 IEEE International Conference on Communications, ICC'07, Glasgow, Scotland, United Kingdom, 24/6/07. https://doi.org/10.1109/ICC.2007.573
Mohamed A, Alnuweiri H. Utility-based optimal rate allocation for heterogeneous wireless multicast. In 2007 IEEE International Conference on Communications, ICC'07. 2007. p. 3463-3470. 4289244 https://doi.org/10.1109/ICC.2007.573
Mohamed, Amr ; Alnuweiri, Hussein. / Utility-based optimal rate allocation for heterogeneous wireless multicast. 2007 IEEE International Conference on Communications, ICC'07. 2007. pp. 3463-3470
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