A distributed power allocation algorithm with adaptive modulation for multi-cell OFDM systems

descriptionPublicationkeyboard_double_arrow_right Article 27 Nov 2002Publisher:IEEEJournal:1988 IEEE 5th International Symposium on Spread Spectrum Techniques and Applications - Proceedings. Spread Technology to Africa (Cat. No.98TH8333), volume 2, pages 474-478

Authors: null Hsuan-Jung Su; E. Geraniotis;

doi: 10.1109/isssta.1998.723829

A distributed power allocation algorithm with adaptive modulation for multi-cell OFDM systems

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Abstract

A heuristic distributed algorithm for allocating power among OFDM subchannels is proposed. Its performance and convergence in a multi-cell system with frequency reuse factor 4 are evaluated through simulation. With a realistic simulation which considers uniformly distributed mobiles, propagation loss and fading, it is shown that this simple distributed algorithm enhances the throughput of OFDM systems as compared to equal power allocation.

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University of Maryland, College Park
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University of Maryland, College Park
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