摘要
本文介绍了一种基于MediaTek公司提供的套片以及GSM软件方案进行二次开发,实现GSM网双卡双待手机的方案。该系统涉及的技术重点是通过主卡处理器从串口传送AT命令实现对副卡的控制。本文对双卡之间通信的硬件构架及软件流程做了详细分析。
This paper present an applied scheme a kind of mobile phone which has double GMS SIM card connected to standby mode. It is developed bases on MediaTek company's chip and GSM software scheme. Using AT commands to achieve communication between main processor and vlce processor. This paper detailed introduces the hardware configuration and software process.
出处
《信息通信》
2008年第2期68-71,共4页
Information & Communications