Maximisation of sum rate in cognitive multi-cell wireless networks with QoS constraints

Che, E.,Tuan, H.D.,Tam, H.H.M.,Nguyen, H.H.

Signal Processing and Communication Systems（2014）

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摘要

This paper is concerned with the downlink transmission in cognitive multiple-input single-output (MISO) multi-cell wireless networks. Subject to various interference tolerance and quality-of-services (QoF) constraints, the problem of sum rate maximisation is recast by concave programming, for which our previously developed Frank-and-Wolfe (FW) type algorithm is applicable and shown to achieve excellent performance.

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关键词

mimo communication,cognitive radio,concave programming,optimisation,quality of service,radiofrequency interference,fw type algorithm,frank-and-wolfe type algorithm,miso,qof constraints,qos constraints,cognitive multicell wireless networks,cognitive multiple-input single-output,downlink transmission,interference tolerance,quality-of-services,sum rate maximisation,coordinated transmission,cognitive multi-cell network

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