【摘要】 针对ＩＳ９５码分多址蜂窝通信系统标准，给出了一种在从导引信道上提取信道参数并同时获取对载频频差的估计方案，给出了自动频率校正环路的设计方案，及其ＦＰＧＡ实现．该方案简单可行，硬件资源消耗少，且能明显改善移动台接收机的性能更多还原

【Abstract】 According to the definition of IS 95 CDMA cellular communication system, an automatic frequency correction scheme is presented, which gets the estimation of frequency offset while the channel parameters are obtained from pilot channel. The design of automatic frequency correction loop and FPGA implementation is given. The results of computer simulation show that by using this scheme the performance of the mobile’s receiver is improved obviously.更多还原