NDLI: A low complexity resource allocation method for relay OFDMA systems

Content Provider	IEEE Xplore Digital Library
Author	Gaojun Song Hongwu Liu
Copyright Year	2010
Description	Author affiliation: Information engineering school, Nanchang Hangkong University, China (Gaojun Song; Hongwu Liu)
Abstract	In this paper, the resources allocation for the Orthogonal Frequency Division Multiple Access (OFDMA) based two-hop relay network is addressed. Due to a high degree of users mobility, the Base Station is assumed to have only a statistical knowledge of the users channels. Based on the outage capacities connected to the user rates, a relay selection, sub-carrier and power allocation method that minimizes the total transmitted power is proposed. The optimum solutions for the resources allocation are derived based on a dual formulation and a simple sub-optimal algorithm is proposed. Simulation results show that the presented algorithm may improve radio resource allocation efficiency and reduce the average transmit power.
Starting Page	1054
Ending Page	1057
File Size	107972
Page Count	4
File Format	PDF
ISBN	9781424469420
e-ISBN	9781424469437
DOI	10.1109/ICITIS.2010.5689731
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Resources allocation Base stations Relay Land mobile radio cellular systems Complexity theory Outage capacity OFDMA Resource management Relays Joints Optimization
Content Type	Text
Resource Type	Article

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