Distributed Beamforming and Rate Allocation in Multi-Antenna Cognitive Radio Networks

Abstract

We consider decentralized multi-antenna cognitive radio networks where secondary (cognitive) users are granted simultaneous spectrum access along with license-holding (primary) users. We investigate the problem of designing beamformers for the secondary users by maximizing the minimum rate, subject to a limited sum-power budget and constraints on the… (More)
DOI: 10.1109/ICC.2009.5198921

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