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A PAPR Reduction Method Using the Correlation of the OFDM Information Signal  

Kim Sang-Woo (Dept. of Electronic and Research Institute of Computer, Information & Communication, Chungbuk National University)
Hieu Nguyen Thanh (Dept. of Electronic and Research Institute of Computer, Information & Communication, Chungbuk National University)
Ryu Heung-Gyoon (Dept. of Electronic and Research Institute of Computer, Information & Communication, Chungbuk National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.16, no.3, 2005 , pp. 327-334 More about this Journal
Abstract
In this paper, a new PAPR reduction method using correlation of input data sequence is proposed in order to overcome the serious drawbacks, such as necessity of side information transmission or increase of system complexity and calculation which are the basis of previous SLM, PTS and DSI method. A new PAPR reduction method can be classified into Method 1 and Method 2. Method 1 reduces the correlation between the smallest sub-sequence and neighbor smallest sub-sequence. And, to consider the own correlation in detail, the Method 2 reduces two case of correlation between neighbor smallest sub-sequences and neighbor largest sub-sequences. According to simulation result, Method 1 and Method 2 has about 0.5 $\~$ O.8 dB and 1 $\~$ l.2 dB PAPR reduction effect respectively. If more detailed process to reduce the correlation of input data sequence is considered, we can achieve better PAPR reduction performance.
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