NDLI: A joint resource allocation and power control algorithm for heterogeneous network

Content Provider	IEEE Xplore Digital Library
Author	Gen Cao Dacheng Yang Xiaoyue Zhu Xin Zhang
Copyright Year	2012
Description	Author affiliation: Wireless Theories and Technologies Lab (WT&T), School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, China, 100876 (Gen Cao; Dacheng Yang; Xiaoyue Zhu; Xin Zhang)
Abstract	In this paper, we propose an algorithm to solve the joint frequency resource and transmission power allocation problem for heterogeneous network (HetNet) of LTE-Advanced (LTE-A) systems, which consiste of several types of base station nodes, such as macrocell, picocell (hotzone), femtocell and relay. The optimization problem is formulated to minimize the sum downlink interference power level of all base station nodes in HetNet, while the service rate requirements of the serving users are satisfied. We firstly obtain a global user selection criterion, in which all the base stations are aware of all link gains and the transmission power of all the base station nodes. A sub-optimal user selection criterion is derived to obtain near optimal power and resource allocation results, which performs in a distributed manner and only requires the link information reported by adjacent users within or near the coverage area. Simulation results prove that the proposed iterative algorithm allocates power and frequency resource in fast convergence speed, which achieves satisfactory performance in terms of interference suppression and user outage ratio.
Starting Page	1
Ending Page	5
File Size	425516
Page Count	5
File Format	PDF
ISBN	9781467307451
e-ISBN	9781467307475
e-ISBN	9781467307468
DOI	10.1109/ICTEL.2012.6221302
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-04-23
Publisher Place	Lebanon
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Macrocell networks Base stations Interference minimization QoS Heterogeneous network Power control Interference LTE-A Resource management Joint resource allocation and power control Joints Optimization
Content Type	Text
Resource Type	Article

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