Abstract
In wireless ad hoc networks where every device runs on its own battery, the energy consumption is critical to lengthen the network lifetime. The communication among devices in the network can be categorized as unicasting and multicasting (including broadcasting). For the case of unicasting, computing the energy optimal path between the two communicating nodes is polynomially solvable by computing the shortest path. But for the case of multicasting, shortest path or minimum spanning tree does not guarantee an energy optimal communication.
In this paper, we present our novel approach, Optimistic Most Energy Gain (OMEGa) method, for the minimum energy multicasting in wireless ad hoc networks. OMEGa aims at maximum utilization of Wireless Multicast Advantage (WMA), which essentially means covering more nodes by using larger energy. Both theoretical and experimental analysis shows OMEGa method performs very well.
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Research is partially supported by NSF and Air Force grants.
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Min, M., Pardalos, P.M. OMEGa: an optimistic most energy gain method for minimum energy multicasting in wireless ad hoc networks. J Comb Optim 16, 81–95 (2008). https://doi.org/10.1007/s10878-007-9100-6
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DOI: https://doi.org/10.1007/s10878-007-9100-6