NDLI: Max-Min SINR Coordinated Multipoint Downlink Transmission

Content Provider	IEEE Xplore Digital Library
Author	Cai, D.W.H. Quek, T.Q.S. Chee Wei Tan Low, S.H.
Copyright Year	1991
Abstract	This paper considers the max-min weighted signal-to-interference-plus-noise ratio (SINR) problem subject to multiple weighted-sum power constraints, where the weights can represent relative power costs of serving different users. First, we study the power control problem. We apply nonlinear Perron-Frobenius theory to derive closed-form expressions for the optimal value and solution and an iterative algorithm which converges geometrically fast to the optimal solution. Then, we use the structure of the closed-form solution to show that the problem can be decoupled into subproblems each involving only one power constraint. Next, we study the multiple-input-single-output (MISO) transmit beamforming and power control problem. We use uplink-downlink duality to show that this problem can be decoupled into subproblems each involving only one power constraint. We apply this decoupling result to derive an iterative subgradient projection algorithm for the problem.
Sponsorship	IEEE Signal Processing Society
Starting Page	5384
Ending Page	5395
Page Count	12
File Size	2902785
File Format	PDF
ISSN	1053587X
Volume Number	60
Issue Number	10
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference Signal to noise ratio Signal processing algorithms Array signal processing Vectors Power control Closed-form solutions uplink-downlink duality Beamforming multiple-input-multiple-output (MIMO)
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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