Title :
An Improved Algorithm for PAPR Reduction in OFDM System
Author_Institution :
Beijing Univ. of Posts & Telecommun., Beijing
Abstract :
As a popular technology for providing high-data- rate, efficient, and reliable wireless transaction. Orthogonal frequency division multiplexing (OFDM) has been adopted in several wireless standards. However, due to the high peak-to-average power ratio (PAPR), OFDM transmitters require very linear output amplifiers with wide dynamic range. In this paper, some important approaches focusing on PAPR reduction are discussed and an improved and effective method using coding in SLM algorithm is proposed. And simulation results show that our algorithm can gain better PAPR performance with lower complexity.
Keywords :
OFDM modulation; amplifiers; telecommunication network reliability; OFDM system; PAPR reduction; linear output amplifiers; orthogonal frequency division multiplexing; peak-to-average power ratio; wireless transaction; Baseband; Bit error rate; Digital video broadcasting; High power amplifiers; Nonlinear distortion; OFDM modulation; Peak to average power ratio; Radio transmitters; Signal processing algorithms; Wireless LAN;
Conference_Titel :
Wireless Communications, Networking and Mobile Computing, 2008. WiCOM '08. 4th International Conference on
Conference_Location :
Dalian
Print_ISBN :
978-1-4244-2107-7
Electronic_ISBN :
978-1-4244-2108-4
DOI :
10.1109/WiCom.2008.191
