Bit and power allocation algorithm of BER minimization in OFDM frame

Xian Wu; Jun Zhang; Zhong Kan Liu

Bit and power allocation algorithm of BER minimization in OFDM frame

Xian Wu, Jun Zhang, Zhong Kan Liu^*

^*此作品的通讯作者

Beihang University

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

To minimize average bit rate error(BER) per orthogonal frequency division multiplexing(OFDM) frame under the constraint of total transmission power and data rate in time-varying channel, iterative algorithm of bit and power allocation aiming at minimum total virtual power(MTVP) in OFDM symbol was designed, and a method of power allocation among OFDM symbols based on MTVP was proposed. Simulation results show that the proposed bi t and power allocation method improves the BER performance as well as calculation speed.

源语言	英语
页（从-至）	87-90
页数	4
期刊	Dalian Haishi Daxue Xuebao/Journal of Dalian Maritime University
卷	36
期	2
出版状态	已出版 - 5月 2010
已对外发布	是

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title = "Bit and power allocation algorithm of BER minimization in OFDM frame",

abstract = "To minimize average bit rate error(BER) per orthogonal frequency division multiplexing(OFDM) frame under the constraint of total transmission power and data rate in time-varying channel, iterative algorithm of bit and power allocation aiming at minimum total virtual power(MTVP) in OFDM symbol was designed, and a method of power allocation among OFDM symbols based on MTVP was proposed. Simulation results show that the proposed bi t and power allocation method improves the BER performance as well as calculation speed.",

keywords = "B it-loading, Orthogonal frequency division multiplexing(OFDM), Power-allocation, Virtual power",

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AU - Zhang, Jun

AU - Liu, Zhong Kan

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AB - To minimize average bit rate error(BER) per orthogonal frequency division multiplexing(OFDM) frame under the constraint of total transmission power and data rate in time-varying channel, iterative algorithm of bit and power allocation aiming at minimum total virtual power(MTVP) in OFDM symbol was designed, and a method of power allocation among OFDM symbols based on MTVP was proposed. Simulation results show that the proposed bi t and power allocation method improves the BER performance as well as calculation speed.

KW - B it-loading

KW - Orthogonal frequency division multiplexing(OFDM)

KW - Power-allocation

KW - Virtual power

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Bit and power allocation algorithm of BER minimization in OFDM frame

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