RDS基带编码CRC算法的研究

在数据通信与网络中广泛采用的循环冗余校验码(CRC),是从循环码中派生的缩短循环码,是一类很重要的检错码.CRC码是在信息码的后面加上几位校验码,以增加整个编码系统的查错纠错能力.本文根据调频多工数据广播(RDS)的基带编码格式的结构和特点,对现有的CRC码校验的并行算法进行此较和分析,实现(26,16)编码器.在Xilinx ISE 10.1平台下给出该编码的仿真结果,通过对其仿真结果进行分析和对比得出一种适用于RDS基带信号的误码校验的CRC并行算法的逻辑编码.

Research on CRC algorithm of RDS baseband coding

The cyclic redundancy check code （CRC） which was widely used in the data communications and network was derived from the shorten cyclic code. It was a very important class of error detection code. In order to enhance the troubleshooting capabilities of the coding system, it was added some check code following the information code to achieve CRC code. According to the structure and characteristics of the base-band encoding format of the FM Radio Digital System （RDS）, （26,16） encoder based on the existing CRC code checking algorithm analysis and comparison was implemented. The code simulation results were given in the Xilinx ISE 10.1 platform. The suitable base-band RDS signal error checking of the CRC code by the logic of parallel algorithms was got though its analysis and comparison of simulation results.