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AIS系统中SOTDMA协议仿真与分析
刘鹏,谢永锋
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(中国西南电子设备研究所，成都 610036;中国西南电子技术研究所，成都 610036)

摘要:

自组织时分多址（SOTDMA）协议是实现AIS系统的核心技术，该技术以自组织的方式工作，在交通繁忙区域，系统很有可能出现时隙冲突。针对这一情况，在OPNET环境下，对系统的报告率、时隙冲突率及系统容量等三方面进行了仿真，仿真结果对AIS系统的工程化具有非常重要的参考作用。

关键词: 自动识别系统自组织时分多址 OPNET仿真报告率时隙冲突率系统容量

DOI：10.3969/j.issn.1001-893X.

基金项目:

Simulation and Analysis of SOTDMA Protocol for Automatic Identification System(AIS)

LIU Peng,XIE Yong-feng

(Southwest China Institute of Electronic Equipment,Chengdu 610036, China;Southwest China Institute of Electronic Technology, Chengdu 610036, China)

Abstract:

Selforganized time division multiple access (SOTDMA) protocol is the key technology of Automatic Identification System(AIS)，and it works in selfor ganized mode, in busy area, th e selected slot would be collided. Based on OPNET, this paper mainly studies th e r elationship of the report rate, the probability of slot collision and the networ k capacity. The result is helpful for the engineering of AIS.

Key words: AIS SOTDMA OPNET simulation report rate probability of slot collision network capacity