# US 2025/0097784 A1 · Electronic device for switching cellular communication on basis of state of electronic device, and electronic device operating method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0097784 A1 - Document ID: US20250097784A1 - Status: Published application - Kind: A1 - Application number: 18/967,149 - Filed: 2024-12-03 - Published: 2025-03-20 - Earliest claimed: 2022-08-30 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Keonyoung LEE; Minwoong CHO - Web page: https://patentgrep.com/patent/US20250097784A1 ## CPC - H04W 36/0058: {Transmission of hand-off measurement information, e.g. measurement reports} - H04W 36/362: {Conditional handover} - H04W 36/08: Reselecting an access point - H04W 76/30: Connection release - H04W 36/144: {over a different radio air interface technology} - H04W 76/16: Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer - H04W 76/18: Management of setup rejection or failure - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract In an electronic device and an electronic device operating method, according to various embodiments, the electronic device comprises: a communication circuit for supporting first cellular communication and/or second cellular communication; an application processor; and a communication processor, wherein the application processor can be configured to: check whether the electronic device satisfies conditions related to the disconnection of the first cellular communication in a state in which the electronic device is connected through the first cellular communication; and transmit, on the basis of the electronic device satisfying the conditions related to the disconnection of the first cellular communication, to the communication processor, a signal indicating satisfaction of the conditions related to the disconnection of the first cellular communication, and the communication processor can be configured to: check, on the basis of the reception of the signal indicating satisfaction of the conditions related to the disconnection of the first cellular communication, whether system information including information, received from a node connected through the first cellular communication, about nodes adjacent to the node is received and/or whether a measure object satisfies designated conditions; disconnect the first cellular communication on the basis of whether the system information is received and/or whether the measure object satisfies the designated conditions; and connect the second cellular communication on the basis of the system information and/or the measure object. Various other embodiments are possible. ## Claims ### Claim 1 An electronic device comprising: a communication circuit supporting first cellular communication and second cellular communication; an application processor; and a communication processor, wherein the application processor is configured to: while the electronic device is connected through the first cellular communication, identify whether the electronic device satisfies a condition related to release of the first cellular communication; and in case the electronic device satisfies the condition related to release of the first cellular communication, transmit, to the communication processor, a signal indicating that the condition related to release of the first cellular communication is satisfied, and wherein the communication processor is configured to: on reception of the signal indicating that the condition related to release of the first cellular communication is satisfied, identify whether system information including information on a node adjacent to the node received from the node connected through the first cellular communication is received and/or whether a measurement object satisfies a specified condition; in case the system information is received and/or the measurement object satisfies the specified condition, disconnect the first cellular communication; and based on the system information and/or the measurement object, connect with the second cellular communication. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein the communication processor is configured to disconnect the first cellular communication based on reception of the system information, and connect with the second cellular communication based on the system information. ### Claim 3 (depends on 1) The electronic device of claim 1, wherein the specified condition comprises a condition in which information on a node supporting the second cellular communication is included in the measurement object. ### Claim 4 (depends on 1) The electronic device of any of claims 1, wherein the communication processor is configured to disconnect the first cellular communication based on identifying that the information on the node supporting the second cellular communication is included in the measurement object, and to connect with the second cellular communication based on the information on the node supporting the second cellular communication. ### Claim 5 (depends on 1) The electronic device of claim 1, wherein the connecting the second cellular communication comprises searching for a node through the smallest frequency band among frequency bands included in the system information and/or the measurement object. ### Claim 6 (depends on 1) The electronic device of claim 1, wherein the communication processor is configured to: select a node supporting a frequency band lower than the frequency band of the node connected through the first cellular communication from among nodes searched through frequency bands included in the system information and/or the measurement object; and connect to the selected node through the second cellular communication. ### Claim 7 (depends on 1) The electronic device of claim 1, wherein the communication processor is configured to: in case the system information is not received and/or the measurement object does not satisfy the specified condition, maintain the connection of the first cellular communication. ### Claim 8 (depends on 1) The electronic device of claim 1, wherein the communication processor is configured to maintain the connection of the first cellular communication in case there is a failure history of connection through the node searched through the system information and/or the measurement object. ### Claim 9 (depends on 1) The electronic device of claim 1, wherein the communication proceesor is configured to: in case the search for a node to be connected through the second cellular communication based on the system information and/or the measurement object is unsuccessful, search for another node broadcasting a signal of the frequency band supported by the second cellular communication; and in case the search for another node is not successful, maintain the connection of the first cellular communication. ### Claim 10 (depends on 1) The electronic device of claim 1, wherein the communication processor is configured to: in case the search for the node to be connected through the second cellular communication based on the system information and/or the measurement object is unsuccessful, maintain the connection of the first cellular communication. ### Claim 11 An operation method of an electronic device, the operation method comprising: while the electronic device is connected through the first cellular communication, identifying, by an application processor of the electronic device, whether the electronic device satisfies a condition related to release of the first cellular communication of the electronic device; in case the electronic device satisfies the condition related to release of the first cellular communication, transmitting to a communication processor of the electronic device, by the application processor, a signal indicating that the condition related to release of the first cellular communication is satisfied; on reception of the signal indicating that the condition related to release of the first cellular communication is satisfied, identifying, by the communication processor, whether system information including information on a node adjacent to the node received from the node connected through the first cellular communication is received and/or whether a measurement object satisfies a specified condition; in case the system information is received and/or whether the measurement object satisfies a specified condition, disconnecting, by the communication processor, the first cellular communication; and based on the system information and/or the measurement object, determining whether to connect with the second cellular communication. ### Claim 12 (depends on 11) The operation method of claim 11, wherein the disconnecting the first cellular communication is based on reception of the system information, and the connecting the second cellular communication is based on the system information. ### Claim 13 (depends on 11) The operation method of claim 11, wherein the specified condition comprises a condition in which information on a node supporting the second cellular communication is included in the measurement object. ### Claim 14 (depends on 11) The operation method of claim 11, wherein the disconnecting the first cellular communication is based on identifying that the information on the node supporting the second cellular communication is included in the measurement object, and connecting the second cellular communication is based on the information on the node supporting the second cellular communication. ### Claim 15 (depends on 11) The operation method of claim 11, wherein the connecting the second cellular communication comprises searching for a node through the smallest frequency band among frequency bands included in the system information and/or the measurement object.