提出一种以北斗(BD)模块为核心,采用GPRS/CDMA模块和WiFi模块两种通信方式的北斗车载行驶记录仪方案。高集成、高速率、低功耗的ARM处理器以及具有自主知识产权的国产北斗双模定位模块采集车辆信息,可用GPRS/CDMA模块通过基站与管理中心通信,也可在车场入口处使用WiFi采集器近距离通信。采用软硬件协同设计,提高了终端可靠性,适合于车载应用环境。 Proposed a Beidou (BD) module as the core, the use of GPRS / CDMA module and WiFi module two communication methods of Beidou car drive recorder program. Highly integrated, high-speed, low-power ARM processors and domestic Beidou dual-mode positioning module with independent intellectual property rights to collect vehicle information, available GPRS / CDMA module through the base station and the management center communication can also be used at the yard entrance using WiFi acquisition Close communication between devices. The use of hardware and software collaborative design to improve the terminal reliability, suitable for automotive application environment.