COMPARATIVE STUDY OF PAPR REDUCTION ON SPECTRUM AND ENERGY EFFICIENCIES USING CLIPPING AND FILTERING TECHNIQUE AND PARTIAL TRANSMIT SEQUENCE TECHNIQUE IN OFDM SYSTEM Journal title: International Journal of Innovative Research in Advanced Engineering Authors: Shashiranjan roy, Sunita virmani Subject(s): Computer and Information Science, Electrical and Electronic Engineering, Engineering, Geophysics, Aerospace Engineering, Environmental Engineering, Innovation, Information Technology