一种PRACH信道最大相关值算法的研究与仿真

摘要

For the purpose of descrambling and despreading PRACH rapidly , a algorithm of the maximum correlation was put forwarded to locate preamble and pilot parts , the data of PRACH was simulated by matlab ,and simulation results demonstrated that this algorithm used the minimum times to calculate the maximum correlation value , to speed up the decoding rate of PRACH.%针对快速对PRACH信道进行解扰和解扩的目的,采用了一种基于步移的最大相关值算法来确定PRACH信道中前缀部分和导频部分的位置,通过matlab对采集的PRACH信息进行仿真试验,结果表示在对PRACH信息进行解扰和解扩时,这种最大相关值算法能够保证进行最少次数的相关计算,并得出最大相关峰,加快了对PRACH信道的解码速率.