Abstract: The field of PocketPC’s application becomes more and more broad. This paper tells of the instance in the area of mobile communication, it includes the functions of information process, receiving and sending, recording manage of GPS, short-message and manual mapping. It adopts layer’s design structure to raise the reuse and replant degree, discusses detailed the system realization of communication system through introducing the task-list, circular-queue and multi-thread.

Key words: PocketPC, Task-list, Circular-queue

摘要： PocketPC手持设备的应用领域越来越广泛，该文论述了一种在移动通信领域内的应用实例，包括了GPS定位、自由报文、标绘信息等的处理、收发和管理的功能。在结构设计上采用了层次化的模块划分以提高模块的重用度和可移植性；通过利用任务链表、循环队列、消息传递和多线程技术，讨论了多任务通信系统的系统设计和系统实现。

关键词: PocketPC, 任务链表, 循环队列