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Performance Evaluation of an Improved Block Coding for PAPR Reduction  

이윤희 (충북대학교 전자공학과 및 컴퓨터정보통신연구소)
정기호 (충북대학교 전자공학과 및 컴퓨터정보통신연구소)
유흥균 (충북대학교 전자공학과 및 컴퓨터정보통신연구소)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.13, no.9, 2002 , pp. 889-897 More about this Journal
Abstract
In this paper, we propose an improved block coding scheme for PAPR reduction in the OFDM communication system. Unlike the conventional block coding scheme which uses one block encoder of subcarrier N, two block encoders of subcarrier N/2 is used for the proposed block coding scheme. This not only improves the coding gain, but enhances the spectral efficiency by twice due to the increment of code rate. PAPR Reduction performance is the same as the conventional block coding. When BER is $10^{-4}$, the proposed block coding scheme has coding gain of 0.5 dB than the conventional scheme.
Keywords
OFDM; PAPR; Block Coding; Complementary Sequence;
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