Optimal and Suboptimal Power Allocation Schemes for OFDM-based Cognitive Radio Systems

Abstract

In this paper, we investigate an optimal power loading algorithm for an OFDM-based cognitive radio (CR) system. The downlink transmission capacity of the CR user is thereby maximized, while the interference introduced to the primary user (PU) remains within a tolerable range. We also propose two suboptimal loading algorithms that are less complex. We also… (More)
DOI: 10.1109/T-WC.2008.07091

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@article{Bansal2008OptimalAS, title={Optimal and Suboptimal Power Allocation Schemes for OFDM-based Cognitive Radio Systems}, author={Gaurav Bansal and Md. Jahangir Hossain and Vijay K. Bhargava}, journal={IEEE Transactions on Wireless Communications}, year={2008}, volume={7} }