Mobility

A Stackelberg Game for Cooperative Transmission and Random Access in Cognitive Radio Networks

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Executive Summary

In cognitive radio networks, the Secondary Users (SUs) can be selected as the cooperative relays to assist the transmission of the Primary User (PU). In order to increase the utility, the PU needs to consider whether it is beneficial to use cooperative transmission and which SU should be chosen as the cooperative relay. In addition, if the PU selects a secondary relay, it needs to allocate time resources for cooperative transmission. Then, the SUs need to determine their strategies of random access when the licensed spectrum of the PU is available. In this paper, the authors first establish a model for cooperative cognitive radio networks with one PU and multiple SUs.

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