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How to Increase Energy Efficiency in Cognitive Radio Networks
2016
IEEE Transactions on Communications
In this paper, we investigate the achievable energy efficiency of cognitive radio networks where two main modes are of interest namely; spectrum sharing (known as underlay paradigm) and spectrum sensing (or interweave paradigm). In order to improve the energy efficiency, we formulate a new multiobjective optimization problem that jointly maximizes the ergodic capacity and minimizes the average transmission power of the secondary user network while limiting the average interference power imposed
doi:10.1109/tcomm.2016.2535371
fatcat:m25l7y7ylrerzjsqgvvk4wsyge