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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
computer science
Optimal beaconing control for epidemic routing in delay-tolerant networks
IEEE Transactions on Vehicular Technology, Volume 61, No. 1, Article 6065767, Year 2012
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Description
Owing to the uncertainty of transmission opportunities between mobile nodes, the routing in delay-tolerant networks (DTNs) exploits the mechanism of opportunistic forwarding. Energy-efficient algorithms and policies for DTN are crucial to maximizing the message delivery probability while reducing the delivery cost. In this contribution, we investigate the problem of energy-efficient optimal beaconing control in a DTN. We model the message dissemination under variable beaconing rate with a continuous-time Markov model. Based on this model, we then formulate the optimization problem of the optimal beaconing control for epidemic routing and obtain the optimal threshold policy from the solution of this optimization problem. Furthermore, through extensive numerical results, we demonstrate that the proposed optimal threshold policy significantly outperforms the static policy with constant beaconing rate in terms of system energy consumption savings. © 2011 IEEE.
Authors & Co-Authors
Li, Yong
China, Beijing
Tsinghua University
Wang, Zhaocheng
China, Beijing
Tsinghua University
Jin, Depeng
China, Beijing
Tsinghua University
Su, Li
China, Beijing
Tsinghua University
Zeng, Lieguang
China, Beijing
Tsinghua University
Chen, Sheng
United Kingdom, Southampton
University of Southampton
Saudi Arabia, Jeddah
King Abdulaziz University
Statistics
Citations: 38
Authors: 6
Affiliations: 3
Identifiers
Doi:
10.1109/TVT.2011.2174262
ISSN:
00189545
Research Areas
Health System And Policy