| 摘要: |
| 针对VHF话音通信无法支持远距离通信的问题，对VOIP技术进行了研究。提出了一种
基于会话初始协议（SIP）的VHF话音通信远程接入系统的实现方法，给出了系统体系架构，
以及接入控制设备和远程控制软件的参考设计。系统中接入控制设备和远程控制软件实现
SIP用户代理功能，从而提供接入SIP系统的能力。仿真结果证明了该方法的有效性，从而为
VHF话音通信系统的应用范围扩展提供了新的思路。 |
| 关键词: VHF话音通信 远程接入系统；半双工 VOIP协议 SIP |
| DOI：10.3969/j.issn.1001-893X. |
|
| 基金项目: |
|
| Semi-duplex VHF Voice Communication Remote Access System Based on SIP |
| CHEN Hong-jie |
| (Southwest China Institute of Electronic Technology, Chengdu 610036, China) |
| Abstract: |
| In allusion to the problem that VHF(Very High Frequency) radio system can′t be
used for long-distance
wireless communication，the technology of VOIP(Voice Over IP) is studied,and an
implementation method of
VHF voice communication access system based on SIP(Session Initiation Protocol)
is proposed.The s
ystem architecture,reference design of the access control equipment and the
remote control software are provided. The access control equipment and the remot
e control sof
tware in this system achieve SIP user agent function, and thereby providing the
abil
ity to access SIP system. Simulation results illustrate that this method perform
s bett
er and thus providing a new thought to expand the scope of VHF voice communicati
on system application. |
| Key words: VHF voice communication remote access system semi-duplex VOIP SIP |
《电讯技术》编辑部 