Subchannelization Performance for the Downlink of a Multi-cell OFDMA System

Authors:
Carle Lengoumbi;Philippe Godlewski;Philippe Martins
Affiliations:
Telecom-Paris, Ecole Nationale Supérieure des Télécommunications LTCI-UMR 5141 CNRS;Telecom-Paris, Ecole Nationale Supérieure des Télécommunications LTCI-UMR 5141 CNRS;Telecom-Paris, Ecole Nationale Supérieure des Télécommunications LTCI-UMR 5141 CNRS
Venue:
WIMOB '07 Proceedings of the Third IEEE International Conference on Wireless and Mobile Computing, Networking and Communications
Year:
2007

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WiMAX subchannelization modes: performance analysis and spectrum efficiency enhancement

GIIS'09 Proceedings of the Second international conference on Global Information Infrastructure Symposium

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Abstract

the downlink of a multi-cell OFDMA system are investigated. The frequency reuse factor is one. The subchannelization mode FUSC adopted in 802.16 is considered: frequency collision problem and partial loading are addressed. For a full loading factor, performances are compared with dynamic subcarrier allocation algorithms. Index Terms-- IEEE 802.16, multi-cell, OFDMA, partial loading, subchannelization.