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https://hdl.handle.net/2440/28465
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Type: | Conference paper |
Title: | Adaptive power allocation with user prioritization for downlink orthogonal frequency division multiple access systems |
Author: | Chee, K. Lim, C. Choi, J. |
Citation: | 2004 9th International Conference on Communication Systems: (ICCS): Singapore, September 6-9, 2004 / pp.210-214 |
Publisher: | IEEE |
Publisher Place: | CD-ROM |
Issue Date: | 2004 |
ISBN: | 0780385500 |
Conference Name: | IEEE International Conference on Communication Systems (9th : 2004 : Singapore) |
Editor: | Wong, L. |
Statement of Responsibility: | Chee, T.K.; Cheng-Chew Lim; Jinho Choi |
Abstract: | Maximizing the capacity of a downlink orthogonal frequency division multiple access (OFDMA) system with prioritization of user-services is investigated. An iterative algorithm is proposed to determine the capacity of individual user from a limited and varying power budget when the channel is subjected to fading, shadowing and propagation path loss. Simulation shows that the proposed algorithm not only can obtain achievable capacity of the users' requested services but also conserve excess transmit power if a lesser power budget is adequate to achieve the desired capacity. |
Description: | Copyright © 2004 IEEE |
DOI: | 10.1109/ICCS.2004.1359369 |
Published version: | http://dx.doi.org/10.1109/iccs.2004.1359369 |
Appears in Collections: | Aurora harvest 2 Electrical and Electronic Engineering publications |
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