AN EFFICIENT SCHEME FOR PAPR REDUCTION IN ALAMOUTI MIMO-OFDM SYSTEMS

被引：0
|
作者：
SivaPriya, G. S. [1 ]
Senthil, B. [2 ]
机构：
[1] Prathyusha Inst Technol & Management, Dept ECE, Commun Syst, Thiruvallur, Tamil Nadu, India
[2] Prathyusha Inst Technol & Management, Dept ECE, Thiruvallur, Tamil Nadu, India
来源：
2014 INTERNATIONAL CONFERENCE ON INFORMATION COMMUNICATION AND EMBEDDED SYSTEMS (ICICES) | 2014年
关键词：
MIMO-OFDM; PAPR; SLM; side information;
D O I：
暂无
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：
In this paper, PTS scheme is combined with Alamouti SFBC for PAPR reduction in MIMO-OFDM systems without side information. In the existing system, the modulated symbols are first multiplied by U different phase sequences resulting in U modified data blocks. This technique is termed as SLM technique. Then the Alamouti SFBC scheme is applied to the resulting block where there is no phase change made in the first antenna block and the data block for the second antenna is multiplied by the phase sequence. Finally IFFT is computed for both the antennas and then PAPR is computed for both the antennas. Then the minimum PAPR is selected and transmitted on both the antennas. Here the number of antennas used in the transmitter side is 2.
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页数：5
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