Are you ready to amplify your academic presence and connect with a global network of researchers? Join the Scholar Indexing Society and elevate your research to new heights!
Exploiting LDPC Codes For Improving The Performance of Clipped-OFDM System
Article Number: SIS924736AI211222
21st December, 2022
Author(s):
Filbert H. Juwono, Yudhi Triprasetyo, Dadang Gunawan
Abstract:
Orthogonal Frequency Division Multiplexing (OFDM) is a multicarrier transmission technique that becomes the best choice in wireless high-data-rate transmission. The drawbacks of OFDM are high Peak-to-Average Power Ratio (PAPR) and sensitivity to frequency offset. High PAPR decreases the amplifier’s efficiency. The simplest PAPR reduction method is clipping, but it gives in-band and out-of-band distortion that degrades the performance of the system. There are various types of clipping, such as classical clipping, deep clipping, and smooth clipping. This paper analyses the use of low-density parity-check (LDPC) codes as an error correction coding (ECC) for those various types of clipping. The simulation results show that classical clipping gives the best performance in PAPR reduction and error probability.