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In this paper, we study the channel-aware minimum-latency broadcast scheduling problem using the probabilistic model. We establish an explicit relationship between the tolerated transmission-failure probability and the latency of the corresponding broadcast schedule. Such a tolerated transmission-failure probability is calculated in the strict sense that the failure to receive the message at any single...
We consider access scheduling to a shared radio channel in networks where a set of stations tries to get exclusive rights to transmit over a shared radio channel. A frequent strategy to solve this problem is that each station independently tosses an asymmetric coin and transmits in case of tails. The trials are executed some number of times and the first station that sends alone in a trial gets the...
An opportunistic feedback protocol with multiple access probabilities is proposed, where users are divided into several classes according to their measured channel state. Different random access probabilities are assigned to each class. All users compete to send a feedback message through random access if their scheduling metric exceeds a threshold. An analytical model is developed for evaluating...
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