# US 2014/0155036 A1 · Method, apparatus and system for processing inter-plmn access control > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0155036 A1 - Document ID: US20140155036A1 - Status: Published application - Kind: A1 - Application number: 14/175,083 - Filed: 2014-02-07 - Published: 2014-06-05 - Earliest claimed: 2011-08-08 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Dong Zhao; Lan Zou - Web page: https://patentgrep.com/patent/US20140155036A1 ## CPC - H04W 12/08: Access security - H04W 36/0066: {of control information between different types of networks in order to establish a new radio link in the target network} - H04W 74/002: {Transmission of channel access control information} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract The present invention discloses a method, an apparatus and a system for processing inter-PLMN access control. The method includes: receiving access authority control information which includes an access permission relationship between PLMNs; performing corresponding access control or a function according to the access permission relationship. ## Claims ### Claim 1 A method for processing inter-Public Land Mobile Network (inter-PLMN) access control, comprising: receiving access authority control information, wherein the access authority control information comprises an access permission relationship between PLMNs; performing access control or a function according to the access permission relationship. ### Claim 2 (depends on 1) The method of claim 1, wherein the access permission relationship between PLMNs is an access permission relationship between a source PLMN and a target PLMN. ### Claim 3 (depends on 1) The method of claim 1, wherein the access authority control information comprises a PLMN list, which lists a group of PLMN identities, indicating: access permission relationships between every two of a plurality of PLMNs corresponding to the group of PLMN identities, wherein any two PLMNs comprise a source PLMN and a target PLMN; or PLMNs corresponding to the group of PLMN identities are PLMNs permitting to be accessed. ### Claim 4 (depends on 3) The method of claim 3, wherein the access permission relationship comprises at least one of the following access permission relationships: whether a network element belonging to the source PLMN is permitted to access existing data in a network element belonging to the target PLMN; whether a network element belonging to the target PLMN is permitted to access existing data in a network element belonging to the source PLMN; whether a network element belonging to the source PLMN is permitted to transmit mobility control data to a network element belonging to the target PLMN for an inter-PLMN movement of a terminal; whether a network element belonging to the target PLMN is permitted to transmit mobility control data to a network element belonging to the source PLMN for an inter-PLMN movement of a terminal; whether a terminal belonging to the source PLMN is permitted to move to the target PLMN; whether a terminal belonging to the target PLMN is permitted to move to the source PLMN; whether an existing function is permitted to be performed continuously after a terminal belonging to the source PLMN moves to the target PLMN; whether an existing function is permitted to be performed continuously after a terminal belonging to the target PLMN moves to the source PLMN; whether the target PLMN is permitted to select a specified function or application to perform after a terminal belonging to the source PLMN moves to the target PLMN; whether the source PLMN is permitted to select a specified function or application to perform after a terminal belonging to the target PLMN moves to the source PLMN; whether the target PLMN is permitted to select a specified function or application to perform when a terminal belonging to the source PLMN moves towards the target PLMN; whether the source PLMN is permitted to select a specified function or application to perform when a terminal belonging to the target PLMN moves towards the source PLMN. ### Claim 5 (depends on 4) The method of claim 4, wherein whether the target PLMN is permitted to select a specified function or application to perform after a terminal belonging to the source PLMN moves to the target PLMN, comprises at least one of: whether a network element of the target PLMN is permitted to select the terminal to perform a minimization of drive-tests function after the terminal belonging to the source PLMN moves to the target PLMN; and whether a minimization of drive-tests task activated by the terminal in the source PLMN, is permitted to be performed continuously in the target PLMN after the terminal belonging to the source PLMN moves to the target PLMN. ### Claim 6 (depends on 4) The method of claim 4, wherein whether the target PLMN is permitted to select a specified function or application to perform when a terminal belonging to the source PLMN moves towards the target PLMN, comprises: whether a minimization of drive-tests task activated by the terminal in the source PLMN is permitted to be performed continuously in the target PLMN when the terminal belonging to the source PLMN moves towards the target PLMN. ### Claim 7 (depends on 4) The method of claim 4, wherein whether the target PLMN is permitted to select a specified function or application to perform when a terminal moves from the source PLMN towards the target PLMN, comprises: whether the target PLMN is permitted to select the terminal to perform a minimization of drive-tests task or to continue a minimization of drive-tests task activated in the source PLMN is controlled through setting, by a core network element of the source PLMN or the target PLMN, a minimization of drive-tests preference corresponding to the terminal to an access network element of the target PLMN according to the access authority control information. ### Claim 8 (depends on 1) The method of claim 1, wherein the access authority control information comprises at least one of the followings: a table, comprising a pair of PLMN identities, wherein the pair of PLMN identities comprises a source PLMN identity and a target PLMN identity, which correspond to each other; a table, comprising a pair of PLMN identities and an MDT function identity, wherein the pair of PLMN identities comprises a source PLMN identity and a target PLMN identity, which correspond to each other; a table, comprising a pair of PLMN identities, an MDT function identity, a permitting identity and/or a prohibiting identity, wherein the pair of PLMN identities comprises a source PLMN identity and a target PLMN identity, which correspond to each other; a source PLMN identity and a target PLMN identity; at least one of a source PLMN identity, a target PLMN identity, a permitting identity and a prohibiting identity; a source PLMN identity, a target PLMN identity, a terminal category or a terminal access number; at least one of a source PLMN identity, a target PLMN identity, a permitting identity and a prohibiting identity, a terminal category or a terminal access number; a source PLMN identity, a target PLMN identity, and a function identity; a source PLMN identity, a target PLMN identity, a permitting identity and/or a prohibiting identity, and a function identity; a source PLMN identity, a target PLMN identity, a permitting identity and/or a prohibiting identity, a function identity, and a terminal category or a terminal access number; a PLMN list, which lists a group of PLMN identities, indicating access permission relationships between every two of a plurality of PLMNs corresponding to the group of PLMN identities respectively. ### Claim 9 (depends on 8) The method of claim 8, wherein a function corresponding to the function identity comprises at least one of the following functions: a mobility management function, an MDT continuing function, an MDT terminal selection function, a trace function and a data sharing access function. ### Claim 10 (depends on 9) The method of claim 9, wherein data in the data sharing access function comprises at least one of the following data: radio link failure measurement reporting data, MDT measurement reporting data, and performance and quality of service data. ### Claim 11 (depends on 1) The method of claim 1, wherein the PLMN includes a source PLMN and a target PLMN, and the source PLMN means a PLMN to which a terminal belongs, and the target PLMN means a PLMN to which a network currently accessed by the terminal belongs. ### Claim 12 (depends on 11) The method of claim 11, wherein a PLMN identity of a network corresponding to an MDT activation task is transmitted by the target PLMN, for indicating the network transmitting the MDT activation task currently; wherein, a PLMN corresponding to the PLMN identity is an MDT PLMN, and the PLMN identity is obtained from Trace Reference corresponding to the transmitted MDT activation task. ### Claim 13 (depends on 11) The method of claim 11, wherein a network element of the source PLMN needs to determine whether to continue an MDT function according to an MDT function permission relationship indicated by the PLMN access control authority information when the terminal moves from the network element of the source PLMN towards a network element of the target PLMN. ### Claim 14 (depends on 1) The method of claim 1, wherein the performing corresponding access control or a function according to the access permission relationship means: all PLMNs that a terminal can mobility access are permitted to perform an MDT continuing function, an MDT terminal selection function, a trace function, and a data sharing access function. ### Claim 15 (depends on 1) The method of claim 1, wherein the access authority control information is transmitted to a terminal, so that the terminal determines whether to perform a corresponding function or information access according to the control information. ### Claim 16 (depends on 1) The method of claim 1, wherein the access control or the function comprises at least one of the followings: handover and reselection of a inter-PLMN terminal, continuous processing of an existing service of the terminal, recording cell information of a PLMN that the terminal accesses measured by the terminal, and a minimization drive-tests function. ### Claim 17 An apparatus for processing access control, comprising: an obtaining module, configured to receive access authority control information, wherein the access authority control information comprises a access permission relationship between PLMNs; a processing module, coupled with the obtaining module, configured to perform corresponding access control or a function according to the permission relationship. ### Claim 18 (depends on 17) The apparatus for processing access control of claim 17, wherein the apparatus for processing access control is a network element managed by a network element management system, wherein the network element is one or any combination of the followings: an evolved node B, a radio network controller, a mobility management entity and a serving GPRS support node. ### Claim 19 (depends on 17) The apparatus for processing access control of claim 17, wherein the apparatus for processing access control of is a terminal. ### Claim 20 An apparatus, comprising: a storage component and a processor, wherein the processor is configured to read and run program instructions stored in the storage component, so that the following steps of a method are performed: receiving access authority control information, wherein the access authority control information comprises an access permission relationship between PLMNs; performing corresponding access control or a function according to the access permission relationship.