NDLI: BS scheduling and iterative power allocation for the multi-cell downlink MIMO systems

Content Provider	IEEE Xplore Digital Library
Author	Yadong Liu Gang Wu Shu Fang Xianxue Fan
Copyright Year	2009
Description	Author affiliation: National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, Sichuan 610054, China (Yadong Liu; Gang Wu; Shu Fang; Xianxue Fan)
Abstract	Coordinated multiple point transmission and reception (CoMP) has attracted a lot of attention recently because of its potential for multi-cell co-channel interference (CCI) mitigation and spectral efficiency increase. CoMP inevitably requires increased signaling overhead and inter-base communication. Therefore in practice, only a limited number of Base Stations (BS) can cooperate with acceptable overhead. In addition, the resource allocation is another intrinsic problem of CoMP. In this paper, a novel scheme of BS scheduling based on threshold judgment has been proposed by taking into count the complexity reduce. Simulation results show that the BS scheduling scheme with lower complexity we proposed can achieve the same performance as that mentioned in [9]. We also develope a semi-distributed dynamic resource allocation scheme based on Nash equilibrium (NE) theory for the downlink of multi-cell systems with spectrum reuse factor of 1. It is quantified the improvement in the terms of system capacity and transmission power reduction compared with the existing power allocation methods.
Starting Page	1
Ending Page	5
File Size	282452
Page Count	5
File Format	PDF
ISBN	9781424446568
DOI	10.1109/ICICS.2009.5397728
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Downlink MIMO Resource management Radiofrequency interference Processor scheduling Interchannel interference Laboratories Communications technology Base stations Nash equilibrium
Content Type	Text
Resource Type	Article

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