Inter-antenna and subblock shifting and inversion for peak- to-average power ratio reduction in MIMO-OFDM systems

doi:1005-8885 (2007) 04-0041-05

Acta Metallurgica Sinica(English letters) ›› 2007, Vol. 14 ›› Issue (4): 41-45.doi: 1005-8885 (2007) 04-0041-05

Inter-antenna and subblock shifting and inversion for peak- to-average power ratio reduction in MIMO-OFDM systems

王轶;陶小峰

Key Laboratory of Universal Wireless Communications (Beijing University of Posts and Telecommunications) Ministry of Education, Wireless Technology Innovation Institute

收稿日期:2007-01-08 修回日期:1900-01-01 出版日期:2007-12-24
通讯作者: 王轶

Inter-antenna and subblock shifting and inversion for peak- to-average power ratio reduction in MIMO-OFDM systems

WANG Yi; TAO Xiao-feng

Key Laboratory of Universal Wireless Communications (Beijing University of Posts and Telecommunications) Ministry of Education, Wireless Technology Innovation Institute

Received:2007-01-08 Revised:1900-01-01 Online:2007-12-24
Contact: WANG Yi

摘要/Abstract

摘要：

In this article, an inter-antenna inter-subblock shifting and inversion (IASSI) scheme is proposed to reduce the peak-to-average power ratio (PAPR) in multi-input multi- output orthogonal frequency division multiplexing (MIMO- OFDM) systems. It exploits multiple antennas and subblocks to provide additional degrees of freedom to benefit the system. To reduce the implementation complexity of the proposed scheme, two simple suboptimal schemes are further presented based on the minimum current maximum criterion; one adopts sequential search and the other employs random binary grouping. The simulation results exhibit the effectiveness of these proposed schemes.

关键词:

peak-to-average power ratio; inter-antenna and subblock shifting and inversion; sequential search; random binary grouping; multi-input multi-output; orthogonal frequency division multiplexing

Abstract:

Key words:

peak-to-average power ratio; inter-antenna and subblock shifting and inversion; sequential search; random binary grouping; multi-input multi-output; orthogonal frequency division multiplexing

WANG Yi; TAO Xiao-feng. Inter-antenna and subblock shifting and inversion for peak- to-average power ratio reduction in MIMO-OFDM systems[J]. Acta Metallurgica Sinica(English letters), 2007, 14(4): 41-45.

参考文献

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Inter-antenna and subblock shifting and inversion for peak- to-average power ratio reduction in MIMO-OFDM systems

Inter-antenna and subblock shifting and inversion for peak- to-average power ratio reduction in MIMO-OFDM systems

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