2012
DOI: 10.1186/1687-1499-2012-334
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Joint optimization of detection threshold and resource allocation in infrastructure-based multi-band cognitive radio networks

Abstract: Consider an infrastructure-based multi-band cognitive radio network (CRN) where secondary users (SUs) opportunistically access a set of sub-carriers when sensed as idle. The carrier sensing threshold which affects the access opportunities of SUs is conventionally regarded as static and treated independently from the resource allocation in the model. In this article, we study jointly the optimization of detection threshold and resource allocation with the goal of maximizing the total downlink capacity of SUs in… Show more

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