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Conference Paper
Multicarrier Transmission Peak-to-Average Power Reduction Using Redundant Bit Scrambling
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- Authors
- Jae-Kwon Lee, Bong-Guk Yu, Jin-Up Kim
- Issue Date
- 2007-09
- Citation
- Vehicular Technology Conference (VTC) 2007 (Fall), pp.1274-1277
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- One of the major drawbacks of OFDM systems is the high peak-to-average power ratio (PAPR). This high PAPR likely causes performance degradation due to nonlinear distortion in the high power amplifier (HPA). In this paper, a new PAPR reduction method is proposed that can achieve a low complexity, low BER degradation and high PAPR reduction for OFDM systems. Although the proposed method is basically similar to the selective mapping (SLM), it generates code sequences that have a low auto correlation coefficient and a low cross correlation coefficient. Moreover, it is needless to transmit the side information. Simulation results of the proposed method are compared with SLM. From the simulation results, the proposed method can overcome some disadvantages of SLM. © 2007 IEEE.
- KSP Keywords
- Auto-Correlation, Cross correlation coefficient, High PAPR, High power amplifier(HPA), Multicarrier transmission, OFDM systems, PAPR Reduction, Peak to average Power ratio(PAPR), Reduction method, Selective mapping(SLM), low BER