Constant power allocation methods for SC-FDMA systems

Wei Cheng Pao; Yung Fang Chen; Dah Chung Chang

doi:10.1587/transcom.E93.B.771

Constant power allocation methods for SC-FDMA systems

Wei Cheng Pao, Yung Fang Chen, Dah Chung Chang

通訊工程學系

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

1 引文斯高帕斯（Scopus）

摘要

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 SCFDMA 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.

原文	???core.languages.en_GB???
頁（從 - 到）	771-775
頁數	5
期刊	IEICE Transactions on Communications
卷	E93-B
發行號	3
DOIs	https://doi.org/10.1587/transcom.E93.B.771
出版狀態	已出版 - 2010

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10.1587/transcom.E93.B.771

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AB - 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 SCFDMA 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.

KW - Power allocation

KW - SC-FDMA

KW - Spectral efficiency

KW - Waterfilling methods

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Constant power allocation methods for SC-FDMA systems

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