Energy-efficient power allocation in OFDM-based cognitive radio systems: A risk-return model

Ziaul Hasan, Gaurav Bansal, Ekram Hossain, Vijay K. Bhargava. Energy-efficient power allocation in OFDM-based cognitive radio systems: A risk-return model. IEEE Transactions on Wireless Communications, 8(12):6078-6088, 2009. [doi]

Abstract

Abstract is missing.