本文总结了短信服务系统的原理和几种典型的实现方案，比较了这几种方案的共同点和不同点，并结合实现原理描述了漫游短信和小区短信服务系统实现功能和目标的差异点。针对目前存在着两种系统独立建设、重复投资的问题，本文推荐使用同一厂商的设备，通过一次采集实现包括No.7信令监测、漫游短信服务、小区短信服务的功能。-This paper summarizes the principles of short message service system, and several typical realizat

WiMAX and LTE are well positioned to drive the global evolution towards pervasive wireless broadband communications with market acceptance, rich ecosystems, and promising economies of scale. Motorola’s committed focus and investment uniquely po