Iterative dual downlink beamforming for cognitive radio networks

Marius Pesavento; Dana Ciochina; Alex B. Gershman

doi:10.4108/icst.crowncom2010.9247

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Iterative dual downlink beamforming for cognitive radio networks

Marius Pesavento Dana Ciochina Alex B. Gershman

Year: 2010

DOI: 10.4108/icst.crowncom2010.9247

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Abstract

We address the problem of multi-user downlink beamforming and power allocation in a cognitive radio (CR) secondary network (SN) with constraints on the total interference in the primary network (PN). We derive the Lagrange dual of the problem and show that both problems are equivalent. Two algorithm

Keywords:

Cognitive radio Telecommunications link Beamforming Computer science Interference (communication) Dual (grammatical number) Transmitter power output Iterative method Computer network Mathematical optimization Transmitter Telecommunications Algorithm Wireless Mathematics

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Cognitive Radio Networks and Spectrum Sensing

Physical Sciences → Computer Science → Computer Networks and Communications

Advanced MIMO Systems Optimization

Physical Sciences → Engineering → Electrical and Electronic Engineering

Wireless Communication Networks Research

Physical Sciences → Computer Science → Computer Networks and Communications

Iterative dual downlink beamforming for cognitive radio networks

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