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In this paper, we study the power control strategy in wireless ad hoc networks. First the paper analyses the energy saving principles of basic power control and PCM protocol. Then it further explains the implementation in GloMoSim. Finally, simulation results are provided to evaluate the performance of these power control strategies. The simulation results show that, to some extent, these power control mechanisms can achieve energy savings, however, these power control protocols can not consider the influence of the cumulative noise interference on nodes transmission successful probability in multi-hop wireless ad hoc networks, so that the effect of energy saving will be greatly affected when the nodes incurs the serious cumulative concurrent transmission interference.
Date of Conference: 16-18 Aug. 2011