Dynamic and fair resource allocation algorithm for OFDM systems

A resource allocation algorithm with dynamic bit control to achieve the greatest fairness for all users and minimize transmission power over orthogonal frequency division multiplexing (OFDM) systems is presented under perfect channel-state information. Two kinds of system scenarios, bandwidth abunda...

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Bibliographic Details
Published in:IEEE communications letters 2007-12, Vol.11 (12), p.931-933
Main Authors: WU, Tsan-Ming, WANG, Szu-Liang
Format: Article
Language:English
Subjects:
Applied sciences
Bandwidth
Bit error rate
Control systems
Detection, estimation, filtering, equalization, prediction
Exact sciences and technology
Frequency division multiplexing
Heuristic algorithms
Information, signal and communications theory
Multiplexing
OFDM
Power distribution
Quality of service
Resource management
Signal and communications theory
Signal, noise
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Throughput
Transmission and modulation (techniques and equipments)
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Description
Summary:A resource allocation algorithm with dynamic bit control to achieve the greatest fairness for all users and minimize transmission power over orthogonal frequency division multiplexing (OFDM) systems is presented under perfect channel-state information. Two kinds of system scenarios, bandwidth abundance and shortage, are scrutinized. Simulation results confirm that the proposed algorithm can achieve good fairness and minimize transmission power simultaneously under a BER constraint.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2007.071245