Overhearing-aware modified Dijkstra's algorithm for multicasting over multi-hop wireless networks
by Rami Halloush
International Journal of Communication Networks and Distributed Systems (IJCNDS), Vol. 16, No. 3, 2016

Abstract: In multicasting, there is a need to efficiently specify the paths connecting a source node to the different destination nodes. A common method to achieve that is to use a shortest-path tree (SPT) algorithm, such as Dijkstra%s algorithm. A multicasting application, however, that is intended for a multi-hop wireless network should be designed in a way that considers the characteristics of such network. One important characteristic is overhearing, which means that a transmission from one node could be heard by many nodes other than the intended receiver. We propose modifying Dijkstra%s algorithm to take advantage of overhearing. As opposed to the conventional Dijkstra%s algorithm where path costs used to build an SPT remain fixed during the course of the algorithm, we propose estimating the overhearing opportunities at each iteration of the algorithm and modifying path costs accordingly. Simulation results demonstrate up to 68% throughput enhancement over the conventional Dijkstra's algorithm.

Online publication date: Wed, 18-May-2016

The full text of this article is only available to individual subscribers or to users at subscribing institutions.

Existing subscribers:
Go to Inderscience Online Journals to access the Full Text of this article.

Pay per view:
If you are not a subscriber and you just want to read the full contents of this article, buy online access here.

Complimentary Subscribers, Editors or Members of the Editorial Board of the International Journal of Communication Networks and Distributed Systems (IJCNDS):
Login with your Inderscience username and password:

    Username:        Password:         

Forgotten your password?

Want to subscribe?
A subscription gives you complete access to all articles in the current issue, as well as to all articles in the previous three years (where applicable). See our Orders page to subscribe.

If you still need assistance, please email subs@inderscience.com