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基于SIP乘客信息系统的列车语音控制单元设计与实现

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2014-07-28

Journal: 上海交通大学学报

Included Journals: CSCD、PKU、EI

Volume: 48

Issue: 7

Page Number: 1021-1025

ISSN: 1008-7095

Key Words: 会话发起协议;乘客信息系统;列车语音

Abstract: 为了适应运营商对列车乘客信息系统越来越高的性能要求,提出了基于会话发起协议(SIP)的乘客信息系统设计的基本原则,并阐述其在列车语音通信中的应用方案.该方案充分利用SIP方法和会话描述协议谈判机制完成了会话的管理和媒体的协商.为验证方案的可行性,完成了语音控制单元的软件结构设计,并实现了各软件模块.系统测试表明,该列车语音控制单元能够准确地完成所设计的广播对讲功能.

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