GSM 用户国际漫游选网登记的分析

近年来GSM国际漫游业务迅速发展，移动运营商普遍关心国外GSM用户的漫游选网登记问题，本文从GSM规范中根据用户需要漫游选网登记原则和手机自动选择 方式下的漫游选网登记原则两方面进行研究分析，并在实际运行网络中进行了对比测试，结合作者对移运运营的实践经验，得出在实际和运营中获取国漫游用户进入本网络的具体措施，提供给运营商参考。

Analysis OF NETWORK SELECTION REGISTER for International Roaming

In recent years, international roaming service developed rapidly. The mobile communication runners were concemed about the network selection register problem of foreign GSM users. In this paper,the roaming network selection register rules based on the need of user and in the mode of automatic selection of mobile phone were analyzed from the GSM specification, and were tested for compression in actual running network. The detailed solutions for foreign roaming user to enter the network were presented based on the author's experience on mobile communication operation.