eMLPP业务中资源抢占过程的资源释放机制

增强多优先级与强拆业务在铁路等专网中应用广泛。根据抢占的类型,分析A接口释放CC,MM,RR,SCCP层的消息及消息中携带的重要信息元素,研究并提出用户接口资源抢占过程中的资源释放机制,确定cause信息元素的取值。

eMLPP is widely used in GSM-R and any other special networks. This paper analyzes messages releasing CC, MM, BSSMAP, SCCP layers on A interface and important information elements in those massages. According to the types of preemption, this paper proposes two release processes and cause information elements in the messages when higher priority calls preempt lower priority calls.