NDLI: Optimal Phase Control for Equal-Gain Transmission in MIMO Systems With Scalar Quantization: Complexity and Algorithms

Content Provider	IEEE Xplore Digital Library
Author	Kin-Kwong Leung Chi Wan Sung Khabbazian, M. Safari, M.A.
Copyright Year	1963
Abstract	The complexity of the optimal phase control problem in wireless MIMO systems with scalar feedback quantization and equal-gain transmission is studied. The problem is shown to be NP-hard when the number of receive antennas grows linearly with the number of transmit antennas. For the case where the number of receive antennas is constant, the problem can be solved in polynomial time. An optimal algorithm is explicitly constructed. For practical purposes, a low-complexity algorithm based on local search is presented. Simulation results show that its performance is nearly optimal.
Sponsorship	IEEE Information Theory Society
Starting Page	3343
Ending Page	3355
Page Count	13
File Size	583450
File Format	PDF
ISSN	00189448
Volume Number	56
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase control MIMO Quantization Diversity reception Transmitters Receiving antennas Feedback Transmitting antennas Array signal processing Fading phase control Beamforming closed-loop diversity equal-gain transmission limited feedback MIMO systems
Content Type	Text
Resource Type	Article
Subject	Library and Information Sciences Information Systems Computer Science Applications

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