NDLI: Distributed precoding for MISO interference channels with channel mean feedback: Algorithms and analysis

Content Provider	IEEE Xplore Digital Library
Author	Minhua Ding Tirkkonen, O. Berry, R.A. Ulukus, S.
Copyright Year	2013
Description	Author affiliation: Dept. of ECE, Univ. of Maryland, College Park, MD, USA (Ulukus, S.) \|\| Dept. of EECS, Northwestern Univ., Evanston, IL, USA (Berry, R.A.) \|\| Dept. of COMNET, Aalto Univ., Aalto, Finland (Minhua Ding; Tirkkonen, O.)
Abstract	This work focuses on the design and analysis of distributed stochastic precoding algorithms for multiple-input single-output (MISO) interference channels, where each transmitter is provided with mean information of its intended channel and that of interfering channels. Unlike in cases where exact channel gains are known as in most existing works, here generalrank precoding is required for optimality instead of the rank-one beamforming. An efficient algorithm for the distributed implementation of the Nash equilibrium precoding is first proposed. A sufficient condition for this algorithm to converge to the unique equilibrium is derived for the two-user case based on stochastic ordering, and is valid for a wide range of system parameters. To improve the sum-rate performance under medium to strong interference, a pricing-based algorithm is also provided and its convergence analyzed. The two algorithms are compared in terms of sum-rate and system overhead.
Starting Page	5640
Ending Page	5645
File Size	236887
Page Count	6
File Format	PDF
ISBN	9781467331227
ISSN	15503607
DOI	10.1109/ICC.2013.6655492
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-09
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference channels Nash equilibrium Radiation detectors Resource management Transmitters Vectors
Content Type	Text
Resource Type	Article

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