Modified Interleaved Partitioning PTS Method for PAPR Reduction in OFDM System
Lu Guang-yue①; Shao Chao①; Luo Lin②
①Department of Telecommun. Engineering, Xi’an Institute of Posts and Telecommunications, Xi’an 710061, China; ②Department of Radio Engineering, Southeast University, Nanjing 210096, China
Abstract:It is firstly proved that the non-independence among the candidates used in the Interleaved partitioning Partial Transmit Sequences (IPTS) results in the lower performance of IPTS, compared to the Adjacent partitioning PTS (APTS). More independent candidates can be created and better performance can be gained using subblocks and their conjugate versions in the proposed Modified IPTS (MIPTS). The simulation results show the MIPTS has similar PAPR reduction performance as APTS without over-sampling or is superior to APTS with over-sampling.