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Performance Analysis of IMD-Reduction-based Tone Reservation Method for the Protection of Nonlinear Distortion in the OFDM Communication System  

Byeon, Heui-Seop (Dept. of Electronic Engineering and Research Institute of Computer, Information & Communication, Chungbuk National University)
Kim, Nam-Il (Mobile Packet Transmission Research Team, Mobile Telecommunication Research Division, ETRI)
Kim, Young-Hoon (Mobile Packet Transmission Research Team, Mobile Telecommunication Research Division, ETRI)
Ryu, Heung-Gyoon (Dept. of Electronic Engineering and Research Institute of Computer, Information & Communication, Chungbuk National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.17, no.10, 2006 , pp. 943-952 More about this Journal
Abstract
The OFDM system is very good for the high data rate communication system. However, OFDM system has a high PAPR problem. This makes the OFDM signal distorted through the nonlinear HPA(High Power Amplifier). To solve this problem, generally, simple PAPR reduction methods have been considered. However, in this paper, we introduce IMD reduction method instead of PAPR. PAPR is the signal property and the IMD is signal component of the HPA output, which degrades the communication quality. So, instead of PAPR we want to use the IMD reduction method. This is to transmit a signal with the smallest distortion by considering the third order nonlinearity when the data is recovered. We use the TR method that was proposed for the PAPR reduction and we find out the BER performance of two methods. As results, we show that the IMD reduction method improves better BER performance than the PAPR reduction.
Keywords
OFDM; Tone Reservation Method; PAPR; IMD; BER;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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