Simple bit loading algorithm for OFDM-based systems

A simple and efficient bit loading algorithm for orthogonal frequency division multiplex-based systems in frequency selective environments is presented in this study. The proposed algorithm minimises the total transmitted power for a given bit rate and probability of error. Simulation results show t...

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Veröffentlicht in:IET communications Jg. 1; H. 3; S. 312 - 316
Hauptverfasser: Nader-Esfahani, S., Afrasiabi, M.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Stevenage Institution of Engineering and Technology 01.06.2007
John Wiley & Sons, Inc
Schlagworte:
Algorithms
Applied sciences
Complexity
Computation
Computer simulation
Exact sciences and technology
Frequency division
Information, signal and communications theory
Mathematical models
Multiplexing
Optimization
Orthogonal Frequency Division Multiplexing
Signal and communications theory
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
Performance evaluation
Error probability
Frequency selection
Simulation
Optimal algorithm
Optimal solution
Information rate
Orthogonal frequency division multiplexing
Computational complexity
Information transmission
ISSN:1751-8628, 1751-8636
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Zusammenfassung:A simple and efficient bit loading algorithm for orthogonal frequency division multiplex-based systems in frequency selective environments is presented in this study. The proposed algorithm minimises the total transmitted power for a given bit rate and probability of error. Simulation results show that the proposed algorithm has approximately the same performance as the optimal algorithms with much less complexity. When compared with suboptimal algorithms, computational complexity is comparable while the overall performance is much closer to the optimum solution.
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ISSN:1751-8628
1751-8636
DOI:10.1049/iet-com:20060401