Abstract
Cognitive wireless network (CWN) is a novel concept for improving the utilization of scarce wireless spectrum resources. Dynamic resource allocation is an important task in such systems. In this paper, a novel resource allocation algorithm for multi-user OFDM-based CWN is presented. It is formulated into a constraint problem, and an optimization algorithm based on novel immune clonal is proposed. The proposed algorithm fully takes into account the maximum tolerable interferences of primary user and the proportional fairness for secondary user. The suitable operators for solving the problem are designed, such as clonal, mutation, Baldwin learning, selection and so on. The simulation results show that the proposed algorithm achieves high system throughput with proportional fairness among the secondary users.
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Chai, ZY., Liu, F., Qi, YT. et al. A Novel Immune Optimization Algorithm for Fairness Resource Allocation in Cognitive Wireless Network. Wireless Pers Commun 69, 1671–1687 (2013). https://doi.org/10.1007/s11277-012-0657-8
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DOI: https://doi.org/10.1007/s11277-012-0657-8