# US 12,772,305 B2 · Method and apparatus for migration and co-existence deployments between service based architecture and P2P architectures in a wireless communication system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,772,305 B2 - Document ID: US12772305B2 - Status: Granted - Kind: B2 - Application number: 18/734,537 - Filed: 2024-06-05 - Published: 2024-12-19 - Granted: 2026-10-20 - Earliest claimed: 2023-06-13 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Manasi Ekkundi; Avneesh Tiwari; Neha Sharma; Dongmyoung Kim - Web page: https://patentgrep.com/patent/US12772305B2 ## CPC - H04W 76/10: Connection setup - H04W 76/20: Manipulation of established connections - H04W 92/20: between access points - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Methods and apparatuses are provided in which a message is received at a user equipment (UE) from one or more radio access network (RAN) nodes. The UE determines presence of an information element (IE) in the message. The UE determines an interface protocol supported by each of the one or more RAN nodes based on a value indicated in the IE. The UE establishes communication with a first RAN node of the one or more RAN nodes based on a priority associated with the interface protocol of the first RAN node. ## Claims ### Claim 1 A method performed by a user equipment (UE), the method comprising: receiving a message from one or more radio access network (RAN) nodes; determining presence of an information element (IE) in the message; determining an interface protocol supported by each of the one or more RAN nodes based on a value indicated in the IE; and establishing communication with a first RAN node of the one or more RAN nodes based on a priority associated with the interface protocol of the first RAN node. ### Claim 2 (depends on 1) The method of claim 1, wherein the interface protocol comprises one of a point-to-point (P2P) interface, a service-based interface (SBI), or a combination of the P2P interface and the SBI. ### Claim 3 (depends on 1) The method of claim 1, wherein the UE receives services from a second RAN node of the one or more RAN nodes through low priority interface protocol when the UE determines absence of the IE in the message. ### Claim 4 (depends on 3) The method of claim 3, wherein the UE unsubscribes a third RAN node providing services through a higher priority interface protocol when the UE establishes connection with a fourth RAN node that is capable of providing services through a lower priority interface protocol during one of handover of the UE or cell reselection of the UE. ### Claim 5 (depends on 1) The method of claim 1, wherein a RAN node supporting an SBI or combination of a P2P interface and the SBI has a higher priority than another RAN node supporting the P2P interface. ### Claim 6 (depends on 1) The method of claim 1, wherein the message comprises one of a system information block (SIB), a master information block (MIB), or a radio resource control (RRC) configuration message. ### Claim 7 A method performed by a network entity in a wireless communication system, the method comprising: determining an interface protocol to be used for transmitting a message to each of one or more RAN nodes based on interface information stored in a routing table; and transmitting the message to the one or more RAN nodes using the determined interface protocol for each of the one or more RAN nodes. ### Claim 8 (depends on 7) The method of claim 7, wherein, prior to receiving the message, the method comprises: receiving information related to the interface protocol used between each RAN node and the network entity for an initial connection, wherein the information related to the interface protocol is stored in the routing table. ### Claim 9 (depends on 7) The method of claim 7, wherein the routing table is stored in at least one of the network entity and outside the network entity. ### Claim 10 (depends on 7) The method of claim 7, wherein the interface protocol comprises one of a point-to-point (P2P) interface, a service-based interface (SBI), or a combination of the P2P interface and the SBI. ### Claim 11 (depends on 7) The method of claim 7, wherein transmitting the message comprises: encapsulating the message according to the determined interface protocol. ### Claim 12 (depends on 7) The method of claim 7, wherein the routing table comprises plurality of entries comprising a serial number of a RAN node, a truth value for each of one or more interface protocols used by the RAN node, and a type of interface supported by the RAN node. ### Claim 13 A user equipment (UE) in a wireless communication system, the UE comprising: a transceiver, and a controller coupled with the transceiver and configured to: receive a message from one or more radio access network (RAN) nodes; determine presence of an information element (IE) in the message; determine an interface protocol supported by each of the one or more RAN nodes based on a value indicated in the IE; and establish communication with a first RAN node of the one or more RAN nodes based on a priority associated with the interface protocol of the first RAN node. ### Claim 14 (depends on 13) The UE of claim 13, wherein the interface protocol comprises one of a point-to-point (P2P) interface, a service-based interface (SBI), or a combination of the P2P interface and the SBI. ### Claim 15 (depends on 13) The UE of claim 13, wherein the UE receives services from a second RAN node of the one or more RAN nodes through low priority interface protocol when the UE determines absence of the IE in the message. ### Claim 16 (depends on 15) The UE of claim 15, wherein the UE unsubscribes a third RAN node providing services through a higher priority interface protocol when the UE establishes connection with a fourth RAN node that is capable of providing services through a lower priority interface protocol during one of handover of the UE or cell reselection of the UE. ### Claim 17 (depends on 13) The UE of claim 13, wherein a RAN node supporting an SBI or a combination of both a P2P interface and the SBI has a higher priority than another RAN node supporting the P2P interface, wherein the message comprises one of a system information block (SIB), a master information block (MIB), or a radio resource control (RRC) configuration message. ### Claim 18 A network entity in a wireless communication system, the network entity comprising: a transceiver, and a controller coupled with the transceiver and configured to: determine an interface protocol to be used for transmitting a message to each of one or more RAN nodes based on interface information stored in a routing table; and transmit the message to the one or more RAN nodes using the determined interface protocol for each of the one or more RAN nodes. ### Claim 19 (depends on 18) The network entity of claim 18, wherein, prior to receiving the message, the processor is configured to: receive information related to the interface protocol used between each RAN node and the network entity for an initial connection, wherein the information related to the interface protocol is stored in the routing table. ### Claim 20 (depends on 18) The network entity of claim 18, wherein the routing table is stored in at least one of the network entity or outside the network function, wherein the interface protocol comprises one of a point-to-point (P2P) interface, a service-based interface (SBI), or a combination of both the P2P interface and the SBI, and wherein the routing table comprises plurality of entries comprising a serial number of a RAN node, a truth value for each of one or more interface protocols used by the RAN node, and a type of interface supported by the RAN node.