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Inter-antenna and subblock shifting and inversion for peak-to-average power ratio reduction in MIMO-OFDM systems 被引量:2
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作者 WANG Yi TAO Xiao-feng 《The Journal of China Universities of Posts and Telecommunications》 EI CSCD 2007年第4期41-45,共5页
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 multioutput orthogonal frequency division multiple... 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 multioutput 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. 展开更多
关键词 peak-to-average power ratio inter-antenna and subblock shifting and inversion sequential search randombinary grouping multi-input multi-output orthogonal frequencydivision multiplexing
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