Delay constrained minimum power broadcasting in wireless networks
Bülbül, Kerem and Erçetin, Özgür and Ünlüyurt, Tonguç (2007) Delay constrained minimum power broadcasting in wireless networks. In: 5th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks Program (WiOPT 2007), Limassol, Cyprus
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Official URL: http://dx.doi.org/10.1109/WIOPT.2007.4480041
We consider source-initiated broadcast session traffic in an ad hoc wireless network operating under a hard constraint on the end-to-end delay between the source and any node in the network. Our objective in this paper is to construct an energy-efficient broadcast tree that has a maximum depth D, where D represents the end-to-end delay constraint in the network. We first characterize the optimal solution to a closely related problem in dense networks using a dynamic programming formulation. The solution to the dynamic program indicates that there is a single optimal policy applicable to all dense networks. Elaborating on the insights provided by the structure of the problem in dense networks, we design an algorithm for finding a solution to the delay constrained minimum power broadcasting problem in sparse networks.
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