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We consider the wireless relay network in which a base station communicates with multiple subscribers, each of which has the ability to act as a relay to forward information to a base station. Here, we propose an algorithm for joint optimization of power allocation, time scheduling, and relay selection when there is imperfect channel state information (CSI). We show that the algorithm converges with...
We consider a wireless system in which a base station allocates bandwidth to users, based on their bandwidth requests in time frames. We design a self-tuning mechanism for the case when users may cheat by requesting more bandwidth than what they truly need, in order to relieve congestion for themselves when the system is overloaded. Our self-tuning mechanism guarantees that the system will automatically...
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