基于SIP乘客信息系统的列车语音控制单元设计与实现

上海交通大学学报（自然版） ›› 2014, Vol. 48 ›› Issue (07): 1021-1025.

• 无线电电子学、电信技术 • 上一篇下一篇

基于SIP乘客信息系统的列车语音控制单元设计与实现

张元庆，刘全利，王伟

(大连理工大学控制科学与工程学院，辽宁大连 116023)

收稿日期:2013-07-28 出版日期:2014-07-28 发布日期:2014-07-28
基金资助:
国家自然科学基金资助项目(61273037)

Design and Implementation of a Train Audio Control Unit of the Passenger Information System (PIS) Based on SIP

ZHANG Yuanqing,LIU Quanli,WANG Wei

(School of Control Science and Engineering, Dalian University of Technology, Dalian 116023, Liaoning, China)

Received:2013-07-28 Online:2014-07-28 Published:2014-07-28

摘要/Abstract

摘要：

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.

关键词: 会话发起协议, 乘客信息系统, 列车语音

Abstract:

In order to adapt to the requirements and higher performance of train passenger information system (PIS), the design scheme of SIPbased PIS was proposed, in which a detailed solution for the train intercom and broadcast based on SIP was introduced. The session management and media negotiation were completed by fully using the SIP methods and SDP negotiation mechanisms. To verify the feasibility of the audio control unit, a software architecture and various software modules were implemented. The experimental result shows that the train audio control unit can accurately complete all the preset functions.

Key words: session initiation protocol(SIP), passenger information system (PIS), train audio

中图分类号:

TN 915

张元庆，刘全利，王伟. 基于SIP乘客信息系统的列车语音控制单元设计与实现[J]. 上海交通大学学报（自然版）, 2014, 48(07): 1021-1025.

ZHANG Yuanqing,LIU Quanli,WANG Wei. Design and Implementation of a Train Audio Control Unit of the Passenger Information System (PIS) Based on SIP[J]. Journal of Shanghai Jiaotong University, 2014, 48(07): 1021-1025.

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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

Design and Implementation of a Train Audio Control Unit of the Passenger Information System (PIS) Based on SIP

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