An Effective PAPR Reduction of SFBC-OFDM for Multinode Cooperative Transmission

被引：8

作者：

Kim, Young-Jin ^{[1
]}

Kwon, Ui-Kun ^{[2
]}

Seol, Dae-Young ^{[1
]}

Im, Gi-Hong ^{[1
]}

机构：

[1] Pohang Univ Sci & Technol POSTECH, Dept Elect & Elect Engn, Pohang 790784, South Korea

[2] Samsung Elect Co Ltd, Yongin 446712, Gyunggi, South Korea

来源：

IEEE SIGNAL PROCESSING LETTERS | 2009年 / 16卷 / 11期

关键词：

Clipping; multinode cooperation; orthogonal frequency-division multiplexing (OFDM); peak-to-average power ratio (PAPR); space-frequency block coded (SFBC); uplink; CHANNEL ESTIMATION; DIVERSITY; RECONSTRUCTION;

D O I：

10.1109/LSP.2009.2027154

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Peak-to-average power ratio (PAPR) regrowth after clipping is one disadvantage of space-frequency block coded orthogonal frequency-division multiplexing (SFBC-OFDM). In this letter, we propose an effective PAPR reduction technique of SFBC-OFDM for multinode cooperative transmission. To reduce PAPR at the source (mobile equipment), the relay applies SFBC encoding, which enables the source to transmit clipped single-input single-output (SISO)-OFDM signals without any increase of PAPR. Simulation results show that the clipped signals of proposed scheme are effectively recovered, and the proposed scheme achieves the diversity of SFBC without the complexity of multiple antennas at the source.

引用

页码：925 / 928

页数：4

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