METHOD FOR JUDGMENT AND RESIDENCY OF MULTI-CARD MOBILE TERMINAL SERVICE PROVIDER

摘要

Methods for determination and residency of service provider of a multi-card mobile terminal are provided. A method for the residency of the multi-card mobile terminal comprises: when some or all cards belong to the same service provider, said cards will reside in the same cell. Some embodiments of the present invention acquire IMSI corresponding to each card and extract HPLMN or EHPLMN from the IMSI to identify from card storage information rapidly and accurately cards in the mobile terminal that belong to the same service provider, and make those cards reside in the same cell during starting-up stage, cell reselection, or network recovery under the circumstance of a plurality of cards belonging to the same service provider, thus reducing the realization difficulties in measurement, idle standby, synchronous maintenance, etc., stabilizing the system and optimizing the performance of mobile terminal.

主权项

1. A method for determining service provider of a multi-card mobile terminal having two or more cards, comprising:
acquiring IMSI (International Mobile Subscriber Identification Number) corresponding to each card; extracting HPLMN (Home Public Land Mobile Network) or EHPLMN (Equal Home Public Land Mobile Network) corresponding to the card from the IMSI; acquiring information about affiliated country and affiliated operator corresponding to the card from the HPLMN or EHPLMN; and if affiliated operators of the cards are the same, determining that the cards belong to a same service provider.