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Constant Power Allocation Methods for SC-FDMA Systems

Wei-Cheng PAO, Yung-Fang CHEN, Dah-Chung CHANG

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Summary :

A simple suboptimal power allocation method is proposed for SC-FDMA systems. It is known that the performance of constant power-based allocation methods is close to that of optimal solutions. In this letter, by utilizing the waterfilling condition inequality derived for SC-FDMA systems, a threshold is set to select subcarriers for loading constant power to these selected subcarriers. It offers competitive performance as confirmed by the simulation results.

Publication
IEICE TRANSACTIONS on Communications Vol.E93-B No.3 pp.771-775
Publication Date
2010/03/01
Publicized
Online ISSN
1745-1345
DOI
10.1587/transcom.E93.B.771
Type of Manuscript
LETTER
Category
Wireless Communication Technologies

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