# US 12,010,578 B2 · Service indication method and relevant devices > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,010,578 B2 - Document ID: US12010578B2 - Status: Granted - Kind: B2 - Application number: 17/898,941 - Filed: 2022-08-30 - Published: 2022-12-29 - Granted: 2024-06-11 - Earliest claimed: 2018-01-16 - Assignees: Vivo Mobile Communication Co., Ltd. - Applicants: Vivo Mobile Communication Co., Ltd. - Inventors: Xiaowan Ke; Li Huang - Web page: https://patentgrep.com/patent/US12010578B2 ## CPC - H04W 4/50: Service provisioning or reconfiguring - H04L 9/40: Network security protocols - H04W 4/022: {with dynamic range variability} - H04W 4/90: Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS] - H04W 28/02: Traffic management, e.g. flow control or congestion control - H04W 28/0268: {using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR] (negotiating SLA or negotiating QoS H04W28/24)} - H04W 48/16: Discovering, processing access restriction or access information - H04W 48/18: Selecting a network or a communication service - H04W 76/10: Connection setup - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A service indication method includes: acquiring service indication information, the service indication information including at least one of support information about a service and preference information about the service, the service including at least one of an emergency service and a voice service; and performing a relevant operation on the service in accordance with the acquired service indication information. ## Claims ### Claim 1 A non-transitory computer-readable storage medium storing therein a computer program, wherein the computer program is executed by a processor of a Radio Access Network (RAN) so as to implement a service indication method, the service indication method comprising: acquiring service indication information from an Access and Mobility Management Function (AMF), the service indication information comprising support information about the service, the service comprising at least one of an emergency service or a voice service; and preforming a relevant operation on the service in accordance with the acquired service indication information and a Packet Data Unit (PDU) session or a Quality of Service (QoS) flow establishment request for the service, wherein the support information about the service comprises service support type information; wherein the service support type information is used to indicate whether redirection to Evolved Packet System (EPS) for supporting the service is possible or not, wherein in a first situation where the service support type information is used to indicate redirection to EPS for supporting the service is possible, the performing the relevant operation on the service in accordance with the service indication information comprises choosing one operation among the following operations: accepting a PDU session or QoS flow establishment request for the service, handing over the terminal to an enhanced Long Term Evolution (eLTE), handing over the terminal to an EPS, or re-directing the terminal to an EPS, or in a second situation where the service support type information is used to indicate redirection to EPS for supporting the service is not possible, the performing the relevant operation on the service in accordance with the service indication information comprises choosing one operation among the following operations: accepting a PDU session or QoS flow establishment request for the service, handing over the terminal to an enhanced Long Term Evolution (eLTE), or handing over the terminal to an EPS. ### Claim 2 (depends on 1) The non-transitory computer-readable storage medium according to claim 1, wherein the support information about the service further comprises a service support indicator; wherein the service support indicator is used to indicate whether the service is supported, or the service support indicator is used to indicate at least one of whether the service is supported by an NR, whether the service is supported by an eLTE, or whether the service is supported by an EPS. ### Claim 3 (depends on 1) The non-transitory computer-readable storage medium according to claim 1, wherein prior to acquiring the service indication information, the service indication method further comprises: transmitting service capability information about the RAN to the AMF, and the service capability information is used to indicate whether the service is supported by the RAN. ### Claim 4 (depends on 1) The non-transitory computer-readable storage medium according to claim 1, wherein the service indication information further comprises indication information indicating whether the service is supported in a fallback method. ### Claim 5 (depends on 1) The non-transitory computer-readable storage medium according to claim 1, wherein the service indication information is a piece of service indication information at a location area, and a different piece of service indication information corresponds to a different location area. ### Claim 6 (depends on 1) The non-transitory computer-readable storage medium according to claim 1, wherein the performing the relevant operation on the service in accordance with the acquired service indication information comprises: receiving a request for establishing a PDU session or QoS flow for the service, and/or receiving session operation information. ### Claim 7 (depends on 6) The non-transitory computer-readable storage medium according to claim 6, wherein when the RAN has received the request for establishing a PDU session or QoS flow for the service or has received the session operation information, the performing the relevant operation on the service in accordance with the acquired service indication information comprises at least one of: when a first condition has been met, receiving the request for establishing a PDU session or QoS flow for the service, the first condition comprising at least one of a condition where the RAN is an NR base station and the service support indicator indicates that the service is supported by the NR, a condition where the RAN is an eLTE base station and the service support indicator indicates that the service is supported by the eLTE condition, or a condition where the session operation information indicates that the request for establishing a PDU session or QoS flow for the service is to be accepted; when a second condition has been met, handing over the terminal to the eLTE, the second condition comprising at least one of a condition where the RAN is the NR base station and the service support indicator indicates that the service is not supported by the NR but the service is supported by the eLTE, or a condition where the session operation information indicates that the terminal is to be handed over to the eLTE; when a third condition has been met, handing over the terminal to an EPS, the third condition comprising at least one of a condition where the RAN is an NR base station or an eLTE base station and the service support indicator indicates that the service is not supported by an NR or an eLTE but the terminal is supported to be handed over to an EPS to support the service, or a condition where the session operation information indicates that the terminal is to be handed over to an EPS; or when a fourth condition has been met, re-directing the terminal to an EPS, the fourth condition comprising at least one of a condition where the RAN is an NR base station or an eLTE base station and the service support indicator indicates that the service is not supported by an NR or an eLTE but the terminal is supported to be re-directed to an EPS to support the service, or a condition where the session operation information indicates that the terminal is to be re-directed to an EPS. ### Claim 8 A service indication method performed by a Radio Access Network (RAN), the service indication method comprising: acquiring service indication information from an Access and Mobility Management Function (AMF), the service indication information comprising support information about the service, the service comprising at least one of an emergency service or a voice service; and preforming a relevant operation on the service in accordance with the acquired service indication information and a PDU session or a QoS flow establishment request for the service, wherein the support information about the service comprises service support type information; wherein the service support type information is used to indicate whether redirection to Evolved Packet System (EPS) for supporting the service is possible or not, wherein in a first situation where the service support type information is used to indicate redirection to EPS for supporting the service is possible, the performing the relevant operation on the service in accordance with the service indication information comprises choosing one operation among the following operations: accepting a PDU session or QoS flow establishment request for the service, handing over the terminal to an enhanced Long Term Evolution (eLTE), handing over the terminal to an EPS, or re-directing the terminal to an EPS, or in a second situation where the service support type information is used to indicate redirection to EPS for supporting the service is not possible, the performing the relevant operation on the service in accordance with the service indication information comprises choosing one operation among the following operations: accepting a PDU session or QoS flow establishment request for the service, handing over the terminal to an enhanced Long Term Evolution (eLTE), or handing over the terminal to an EPS. ### Claim 9 (depends on 8) The service indication method according to claim 8, wherein the support information about the service further comprises a service support indicator; wherein the service support indicator is used to indicate whether the service is supported, or the service support indicator is used to indicate at least one of whether the service is supported by an NR, whether the service is supported by an eLTE, or whether the service is supported by an EPS. ### Claim 10 (depends on 8) The service indication method according to claim 8, wherein prior to acquiring the service indication information, the service indication method further comprises: transmitting service capability information about the RAN to the AMF, and the service capability information is used to indicate whether the service is supported by the RAN. ### Claim 11 (depends on 8) The service indication method according to claim 8, wherein the service indication information further comprises indication information indicating whether the service is supported in a fallback method. ### Claim 12 (depends on 8) The service indication method according to claim 8, wherein the service indication information is a piece of service indication information at a location area, and a different piece of service indication information corresponds to a different location area. ### Claim 13 (depends on 8) The service indication method according to claim 8, wherein the performing the relevant operation on the service in accordance with the acquired service indication information comprises: receiving a request for establishing a PDU session or QoS flow for the service, and/or receiving session operation information. ### Claim 14 (depends on 13) The service indication method according to claim 13, wherein when the RAN has received the request for establishing a PDU session or QoS flow for the service or has received the session operation information, the performing the relevant operation on the service in accordance with the acquired service indication information comprises at least one of: when a first condition has been met, receiving the request for establishing a PDU session or QoS flow for the service, the first condition comprising at least one of a condition where the RAN is an NR base station and the service support indicator indicates that the service is supported by the NR, a condition where the RAN is an eLTE base station and the service support indicator indicates that the service is supported by the eLTE condition, or a condition where the session operation information indicates that the request for establishing a PDU session or QoS flow for the service is to be accepted; when a second condition has been met, handing over the terminal to the eLTE, the second condition comprising at least one of a condition where the RAN is the NR base station and the service support indicator indicates that the service is not supported by the NR but the service is supported by the eLTE, or a condition where the session operation information indicates that the terminal is to be handed over to the eLTE; when a third condition has been met, handing over the terminal to an EPS, the third condition comprising at least one of a condition where the RAN is an NR base station or an eLTE base station and the service support indicator indicates that the service is not supported by an NR or an eLTE but the terminal is supported to be handed over to an EPS to support the service, or a condition where the session operation information indicates that the terminal is to be handed over to an EPS; or when a fourth condition has been met, re-directing the terminal to an EPS, the fourth condition comprising at least one of a condition where the RAN is an NR base station or an eLTE base station and the service support indicator indicates that the service is not supported by an NR or an eLTE but the terminal is supported to be re-directed to an EPS to support the service, or a condition where the session operation information indicates that the terminal is to be re-directed to an EPS. ### Claim 15 A Radio Access Network (RAN), comprising a processor, a memory, and a program or an instruction that is stored in the memory and that can run on the processor, wherein when the program or the instruction is executed by the processor, the following steps are implemented: acquiring service indication information from an Access and Mobility Management Function (AMF), the service indication information comprising support information about the service, the service comprising at least one of an emergency service or a voice service; and preforming a relevant operation on the service in accordance with the acquired service indication information and a PDU session or a QoS flow establishment request for the service, wherein the support information about the service comprises service support type information; wherein the service support type information is used to indicate whether redirection to Evolved Packet System (EPS) for supporting the service is possible or not, wherein in a first situation where the service support type information is used to indicate redirection to EPS for supporting the service is possible, the performing the relevant operation on the service in accordance with the service indication information comprises choosing one operation among the following operations: accepting a PDU session or QoS flow establishment request for the service, handing over the terminal to an enhanced Long Term Evolution (eLTE), handing over the terminal to an EPS, or re-directing the terminal to an EPS, or in a second situation where the service support type information is used to indicate redirection to EPS for supporting the service is not possible, the performing the relevant operation on the service in accordance with the service indication information comprises choosing one operation among the following operations: accepting a PDU session or QoS flow establishment request for the service, handing over the terminal to an enhanced Long Term Evolution (eLTE), or handing over the terminal to an EPS. ### Claim 16 (depends on 15) The RAN according to claim 15, wherein the support information about the service further comprises a service support indicator; wherein the service support indicator is used to indicate whether the service is supported, or the service support indicator is used to indicate at least one of whether the service is supported by an NR, whether the service is supported by an eLTE, or whether the service is supported by an EPS. ### Claim 17 (depends on 15) The RAN according to claim 15, wherein prior to acquiring the service indication information, the following step is implemented: transmitting service capability information about the RAN to the AMF, and the service capability information is used to indicate whether the service is supported by the RAN. ### Claim 18 (depends on 15) The RAN according to claim 15, wherein the service indication information further comprises indication information indicating whether the service is supported in a fallback method; or wherein the service indication information is a piece of service indication information at a location area, and a different piece of service indication information corresponds to a different location area. ### Claim 19 (depends on 15) The RAN according to claim 15, wherein the performing the relevant operation on the service in accordance with the acquired service indication information comprises: receiving a request for establishing a PDU session or QoS flow for the service, and/or receiving session operation information. ### Claim 20 (depends on 19) The RAN according to claim 19, wherein when the RAN has received the request for establishing a PDU session or QoS flow for the service or has received the session operation information, the performing the relevant operation on the service in accordance with the acquired service indication information comprises at least one of: when a first condition has been met, receiving the request for establishing a PDU session or QoS flow for the service, the first condition comprising at least one of a condition where the RAN is an NR base station and the service support indicator indicates that the service is supported by the NR, a condition where the RAN is an eLTE base station and the service support indicator indicates that the service is supported by the eLTE condition, or a condition where the session operation information indicates that the request for establishing a PDU session or QoS flow for the service is to be accepted; when a second condition has been met, handing over the terminal to the eLTE, the second condition comprising at least one of a condition where the RAN is the NR base station and the service support indicator indicates that the service is not supported by the NR but the service is supported by the eLTE, or a condition where the session operation information indicates that the terminal is to be handed over to the eLTE; when a third condition has been met, handing over the terminal to an EPS, the third condition comprising at least one of a condition where the RAN is an NR base station or an eLTE base station and the service support indicator indicates that the service is not supported by an NR or an eLTE but the terminal is supported to be handed over to an EPS to support the service, or a condition where the session operation information indicates that the terminal is to be handed over to an EPS; or when a fourth condition has been met, re-directing the terminal to an EPS, the fourth condition comprising at least one of a condition where the RAN is an NR base station or an eLTE base station and the service support indicator indicates that the service is not supported by an NR or an eLTE but the terminal is supported to be re-directed to an EPS to support the service, or a condition where the session operation information indicates that the terminal is to be re-directed to an EPS.