Power control with partial observation in wireless ad hoc networks

Abstract : In this paper, the well-known forwarder's dilemma is generalized by accounting for the presence of link quality fluctuations ; the forwarder's dilemma is a four-node interaction model with two source nodes and two destination nodes. It is known to be very useful to study ad hoc networks. To characterize the long-term utility region when the source nodes have to control their power with partial channel state information (CSI), we resort to a recent result in Shannon theory. It is shown how to exploit this theoretical result to find the long-term utility region and determine good power control policies. This region is of prime importance since it provides the best performance possible for a given knowledge at the nodes. Numerical results provide several new insights into the repeated forwarder's dilemma power control problem; for instance, the knowledge of global CSI only brings a marginal performance improvement with respect to the local CSI case.
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Communication dans un congrès
24th European Signal Processing Conference (EUSIPCO 2016), Aug 2016, Budapest, Hungary. IEEE Proceedings of the EUSIPCO conference, pp.1833 - 1837, 2016, The 2016 European Signal Processing Conference (EUSIPCO 2016). 〈10.1109/EUSIPCO.2016.7760565〉
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Sara Berri, Samson Lasaulce, Mohammed Radjef. Power control with partial observation in wireless ad hoc networks. 24th European Signal Processing Conference (EUSIPCO 2016), Aug 2016, Budapest, Hungary. IEEE Proceedings of the EUSIPCO conference, pp.1833 - 1837, 2016, The 2016 European Signal Processing Conference (EUSIPCO 2016). 〈10.1109/EUSIPCO.2016.7760565〉. 〈hal-01437873〉

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