NDLI: Joint power and antenna selection optimization for energy-efficient large distributed MIMO networks

Content Provider	IEEE Xplore Digital Library
Author	An Liu Lau, V.K.N.
Copyright Year	2012
Description	Author affiliation: Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, Hong Kong (An Liu; Lau, V.K.N.)
Abstract	Large multiple-input multiple-output (MIMO) network promises high energy efficiency using a large number of antennas. To reduce the signaling overhead of obtaining the full channel state information, we propose a downlink antenna selection scheme for large distributed MIMO networks with regularized zero-forcing (RZF) precoding. We study the joint optimization of antenna selection, regularization factor, and power allocation to maximize the average weighted sum-rate. The problem is non-trivial due to its combinatorial and non-convex nature. We decompose the problem into subproblems, each of which is solved by an efficient algorithm. For very large distributed MIMO networks, we obtain a capacity scaling law and show that there is an asymptotic decoupling effect, which can be exploited to simplify algorithms and physical layer processing. Simulations show that the proposed scheme achieves significant gain over the baseline.
Starting Page	230
Ending Page	234
File Size	1536930
Page Count	5
File Format	PDF
ISBN	9781467320528
e-ISBN	9781467320542
DOI	10.1109/ICCS.2012.6406144
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-21
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MIMO Optimization Antenna arrays Interference Fading Joints Energy efficiency Large MIMO Cloud Radio Access Networks (C-RAN) Antenna selection
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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