Title: The Simulation of RS Codes and QC-LDPC Codes Concatenated in COFDM System
Abstract:In OFDM system,error correction coding is essential to ensure the effective and reliable transmission in channels of various types of data.This paper mainly focus on cascading coding of RS codes, inte...In OFDM system,error correction coding is essential to ensure the effective and reliable transmission in channels of various types of data.This paper mainly focus on cascading coding of RS codes, interweaving and QC-LDPC codes,using this encoding with OFDM system to construct new COFDM system.The paper also research about the structure of COFDM system and the performance of the concatenated code.Using Matlab to simulate the result from several aspects such as encoding, length of code, bit rate, decoding mode and different channels.The result has shown the promotion of the new concatenated coding in COFDM system compared with the traditional coding system.Read More