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In this paper, we propose a distributed power control algorithm for multihop ad hoc CDMA networks. The algorithm attempts to maximize the QoS of each user as well as a global network utility, given a set of routes and link schedules. By defining the local objective of each node as a summation of its own utility and that of the "bottleneck" nodes in its vicinity, users are considered partially cooperative. Since the overall QoS of a single flow is determined by the minimum received QoS among all of its subflows, the global network utility is defined only based on these bottleneck QoS's for each user.
Date of Conference: 24-28 June 2007