Summary: MAXIMIZATION OF TIME-TO-FIRST-FAILURE FOR MULTICASTING IN
WIRELESS NETWORKS : OPTIMAL SOLUTION
Arindam K. Das, Mohamed El-Sharkawi
Department of Electrical Engineering
University of Washington, Box 352500, Seattle, WA 98195.
Robert J. Marks
Rogers Engineering and Computer Science Building
Baylor University, 1311 S. 5th Street, Waco, TX 76798-7356.
email: Robert Marks@Baylor.edu
Payman Arabshahi, Andrew Gray
Jet Propulsion Laboratory
4800 Oak Grove Drive, MS 238-343, Pasadena, CA 91109.
We consider the problem of maximizing the time-to-first-
failure (TTFF), defined as the time till the first node in the
network runs out of battery energy, in energy constrained
broadcast wireless networks. We show that the TTFF cri-
terion, by itself, fails to provide the "ideally optimum" mul-