This paper, which is based on trunking communication in the GPS Mobile Vehicles Supervisory System, builds the math model, simulates on computer and analyzes the capability of.

• 本文正是以GPS移动车辆定位系统中的集群通信为背景，建立系统的数学模型，进行计算机仿真，并根据仿真结果分析系统性能。