虚拟通信媒介模式北斗CORS跨网服务无缝切换通信模型实现

目前国内各省市北斗CORS服务系统相互独立运行，不同省服务系统账户无法通用，在一定程度上影响北斗高精度位置服务的社会化应用范围。针对此难题，本文基于移动通信技术，提出了一种虚拟通信媒介模式的CORS跨网服务无缝切换通信模型，实现了用户跨省使用北斗高精度服务的无缝切换和实时获取高精度定位数据。该方法不改变目前各省市CORS服务业务流程，且用户无需重新注册账号，即可实现在不同省市使用CORS服务的无缝切换。经测试，该方法实现跨省切换并获得高精度定位数据的平均用时为9.029 s，可应用于多省市跨网服务及国家"北斗位置服务一张网"建设。

Implementation of seamless switching communication model for BDS high precision CORS cross-network service

At present, the BDS CORS service systems in different provinces and cities in China operate independently of each other. The accounts of the service system in different provinces can't be universally used, which affects the social application scope of BDS high-precision location service to a certain extent. To solve this problem, this paper proposes a virtual communication medium based on mobile communication technology. Based on the virtual communication medium, the communication model of CORS cross-network service seamlessly switches can enable users to seamlessly switch between different provinces and real-time access to inter-provincial BDS high-precision services data. This method does not change the current service processes of various provinces and cities.And the user can realize the seamless switching and use the CORS service in different provinces and cities without re-registering the account. After testing,the average time of cross-province switching and obtaining high-precision positioning data is 9.029 s by using this method.This method can be applied to multi-provincial and inter-network services and the national "BDS location service one network" construction.