# US 11,122,494 B2 · Access method, and terminal > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,122,494 B2 - Document ID: US11122494B2 - Status: Granted - Kind: B2 - Application number: 16/480,134 - Filed: 2017-01-23 - Published: 2019-12-19 - Granted: 2021-09-14 - Earliest claimed: 2017-01-23 - Assignees: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Applicants: Guangdong Oppo Mobile Telecommunications Corp., Ltd. - Inventors: Jianhua Liu; Ning Yang - Web page: https://patentgrep.com/patent/US11122494B2 ## CPC - H04W 48/02: Access restriction performed under specific conditions - H04W 48/08: Access restriction or access information delivery, e.g. discovery data delivery (signalling during connection H04W76/00) - H04W 72/1268: of uplink data flows - H04W 72/542: using measured or perceived quality - H04W 76/10: Connection setup - H04W 76/27: Transitions between radio resource control [RRC] states - H04W 4/70: Services for machine-to-machine communication [M2M] or machine type communication [MTC] - H04W 84/042: {Public Land Mobile systems, e.g. cellular systems} - Y02D 30/70: in wireless communication networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract The application discloses an access method and a terminal. The method comprises: a terminal determining target access class barring (ACB) policy control parameters according to target feature information, wherein the target feature information comprises at least one of the following: a priority of the terminal, service information of a service having data to be transmitted, and core network information of a core network providing the service having the data to be transmitted; and the terminal accessing a network device according to the target ACB control parameters. In the embodiment of the present application, target ACB control parameters of a terminal are determined according to target feature information; for example, the target ACB control parameters are determined according to any one of a priority of the terminal, service information of a service having data to be transmitted, and core network information of a core network providing the service having the data to be transmitted, thereby improving the diversity of methods for determining the ACB control parameters for a terminal to access a network in an ACB mechanism. ## Claims ### Claim 1 An access method, comprising: determining, by a terminal, a target Access Class Barring (ACB) control parameter according to target feature information, the target feature information comprising an Access Class (AC) of the terminal and further comprising at least one of: a priority of the terminal determined on the basis of a type of the terminal, information of a service to which data to be transmitted belongs, or information of a core network providing a service to which data to be transmitted belongs; in response to the target feature information comprising the AC of the terminal and the priority of the terminal determined on the basis of the type of the terminal, determining, by the terminal, the target ACB control parameter according to the target feature information comprising the AC of the terminal and the priority of the terminal determined on the basis of the type of the terminal, wherein the priority and AC of the terminal are information in two dimensions, and it is allowed that the terminal with a high priority corresponds to a low AC; and accessing, by the terminal, a network device according to the target ACB control parameter. ### Claim 2 (depends on 1) The method of claim 1, wherein the information of the service to which the data to be transmitted belongs comprises at least one of: a priority of the service to which the data to be transmitted belongs, an application class of the service to which the data to be transmitted belongs, a type of a call triggered by transmission of the service to which the data to be transmitted belongs, a type of the service to which the data to be transmitted belongs, or Quality of Service (QoS) required for transmission of the service to which the data to be transmitted belongs. ### Claim 3 (depends on 1) The method of claim 1, wherein the information of the core network providing the service to which the data to be transmitted belongs comprises at least one of: a type of the core network, an identifier of the core network, or an identifier of a Public Land Mobile Network (PLMN) containing the core network. ### Claim 4 (depends on 1) The method of claim 1, wherein determining, by the terminal, the target ACB control parameter according to the target feature information comprises: determining, by the terminal, the target ACB control parameter according to the target feature information and mapping relationships between feature information and ACB control parameters. ### Claim 5 (depends on 4) The method of claim 4, wherein the target feature information is the information of the core network providing the service to which the data to be transmitted belongs, and determining, by the terminal, the target ACB control parameter according to the target feature information and the mapping relationships between the feature information and the ACB control parameters comprises: determining, by the terminal, the target ACB control parameter according to the information of the core network providing the service to which the data to be transmitted belongs and mapping relationships between information of core networks and ACB control parameters. ### Claim 6 (depends on 4) The method of claim 4, wherein the target feature information is the information of the service to which the data to be transmitted belongs, and determining, by the terminal, the target ACB control parameter according to the target feature information and the mapping relationships between the feature information and the ACB control parameters comprises: determining, by the terminal, the target ACB control parameter according to the information of the service to which the data to be transmitted belongs and mapping relationships between information of services and ACB control parameters. ### Claim 7 (depends on 1) The method of claim 1, wherein accessing, by the terminal, the network device according to the target ACB control parameter comprises one of: establishing, by the terminal, a Radio Resource Control (RRC) connection with the network device according to the target ACB control parameter; establishing, by the terminal, a Non-Access Stratum (NAS) connection with the network device according to the target ACB control parameter; or sending, by the terminal, an uplink Scheduling Request (SR) to the network device. ### Claim 8 (depends on 1) The method of claim 1, wherein the target ACB control parameter comprises an access grant identifier indicating that the terminal accesses the network device and an access barring identifier indicating that the terminal is barred from accessing the network device, and accessing, by the terminal, the network device according to the target ACB control parameter comprises: accessing, by the terminal, the network device according to the access grant identifier; or not accessing, by the terminal, the network device according to the access barring identifier. ### Claim 9 (depends on 1) The method of claim 1, wherein the target ACB control parameter comprises at least one of an access probability or Access Class (AC) barring time, the method further comprises: determining, by the terminal, a target access probability, and accessing, by the terminal, the network device according to the target ACB control parameter comprises: responsive to that the target access probability is less than or equal to the access probability and the AC barring time elapses, accessing, by the terminal, the network device; or responsive to that the target access probability is greater than the access probability, accessing, by the terminal, the network device. ### Claim 10 A terminal, comprising: a memory; and a processor coupled to the memory, wherein the processor is configured to: determine a target Access Class Barring (ACB) control parameter according to target feature information, the target feature information comprising an Access Class (AC) of the terminal and further comprising at least one of: a priority of the terminal determined on the basis of a type of the terminal, information of a service to which data to be transmitted belongs, or information of a core network providing a service to which data to be transmitted belongs; in response to the target feature information comprising the AC of the terminal and the priority of the terminal determined on the basis of the type of the terminal, determine, by the terminal, the target ACB control parameter according to the target feature information comprising the AC of the terminal and the priority of the terminal determined on the basis of the type of the terminal, wherein the priority and AC of the terminal are information in two dimensions, and it is allowed that the terminal with a high priority corresponds to a low AC; and access a network device according to the target ACB control parameter determined by the determination unit. ### Claim 11 (depends on 10) The terminal of claim 10, wherein the information of the service to which the data to be transmitted belongs comprises at least one of: a priority of the service to which the data to be transmitted belongs, an application class of the service to which the data to be transmitted belongs, a type of a call triggered by transmission of the service to which the data to be transmitted belongs, a type of the service to which the data to be transmitted belongs, or Quality of Service (QoS) required for transmission of the service to which the data to be transmitted belongs. ### Claim 12 (depends on 10) The terminal of claim 10, wherein the information of the core network providing the service to which the data to be transmitted belongs comprises at least one of: a type of the core network, an identifier of the core network, or an identifier of a Public Land Mobile Network (PLMN) containing the core network. ### Claim 13 (depends on 10) The terminal of claim 10, wherein the processor is configured to: determine the target ACB control parameter according to the target feature information and mapping relationships between feature information and ACB control parameters. ### Claim 14 (depends on 13) The terminal of claim 13, wherein the target feature information is the information of the core network providing the service to which the data to be transmitted belongs, and the processor is further configured to: determine the target ACB control parameter according to the information of the core network providing the service to which the data to be transmitted belongs and mapping relationships between information of core networks and ACB control parameters. ### Claim 15 (depends on 13) The terminal of claim 13, wherein the target feature information is the information of the service to which the data to be transmitted belongs, and the processor is further configured to: determine the target ACB control parameter according to the information of the service to which the data to be transmitted belongs and mapping relationships between information of services and ACB control parameters. ### Claim 16 (depends on 10) The terminal of claim 10, wherein the processor is configured to perform one of: establishing a Radio Resource Control (RRC) connection with the network device according to the target ACB control parameter; establishing a Non-Access Stratum (NAS) connection with the network device according to the target ACB control parameter; or sending an uplink Scheduling Request (SR) to the network device through a transceiver. ### Claim 17 (depends on 10) The terminal of claim 10, wherein the target ACB control parameter comprises an access grant identifier indicating that the terminal accesses the network device and an access barring identifier indicating that the terminal is barred from accessing the network device, and the processor is configured to: access the network device according to the access grant identifier; or not access the network device according to the access barring identifier. ### Claim 18 (depends on 10) The terminal of claim 10, wherein the ACB control parameter comprises at least one of an access probability or Access Class (AC) barring time, the processor is further configured to determine a target access probability, and responsive to that the target access probability is less than or equal to the access probability and the AC barring time elapses, access the network device; or responsive to that the target access probability is greater than the access probability, access the network device.