# US 2026/0101397 A1 · Multi-path communication method, apparatus and system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0101397 A1 - Document ID: US20260101397A1 - Status: Published application - Kind: A1 - Application number: 19/114,135 - Filed: 2022-09-29 - Published: 2026-04-09 - Earliest claimed: 2022-09-29 - Assignees: Beijing Xiaomi Mobile Software Co., Ltd. - Applicants: Beijing Xiaomi Mobile Software Co., Ltd. - Inventors: Xiaowei JIANG - Web page: https://patentgrep.com/patent/US20260101397A1 ## CPC - H04W 76/14: Direct-mode setup - H04W 76/15: Setup of multiple wireless link connections - H04L 27/00: Modulated-carrier systems - H04W 76/27: Transitions between radio resource control [RRC] states - H04W 88/04: adapted for relaying to or from another terminal or user - H04W 92/18: between terminal devices - 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 multi-path communication method is performed by a first user equipment (UE), and includes: reporting measurement information to a network device via a direct path between the first UE and the network device; and determining that a second UE enters a radio resource control (RRC) connected state, wherein the second UE is a relay UE, added by the network device, for the first UE according to the measurement information, and an indirect path between the first UE and the network device is established via the second UE. ## Claims ### Claim 1 A multi-path communication method, performed by a first user equipment (UE), comprising: reporting measurement information to a network device via a direct path between the first UE and the network device; and determining that a second UE enters a radio resource control (RRC) connected state, wherein the second UE is a relay UE, added by the network device, for the first UE according to the measurement information, and an indirect path between the first UE and the network device is established via the second UE. ### Claim 2 (depends on 1) The method according to claim 1, wherein determining that the second UE enters the RRC connected state comprises: establishing a PC5 unicast connection with the second UE; and instructing the second UE to enter the RRC connected state via the PC5 unicast connection. ### Claim 3 (depends on 2) The method according to claim 2, further comprising: receiving, via the direct path, first indication information sent by the network device, wherein the first indication information comprises RRC state information of the second UE. ### Claim 4 (depends on 3) The method according to claim 3, wherein determining that the second UE enters the RRC connected state comprises: determining that the RRC state information of the second UE is an RRC non-connected state, and instructing the second UE to enter the RRC connected state via the PC5 unicast connection. ### Claim 5 (depends on 2) The method according to claim 2, further comprising: receiving third indication information sent by the network device via the direct path, wherein the third indication information comprises a trigger indication, and the trigger indication is configured to instruct the first UE to trigger the second UE to enter the RRC connected state. ### Claim 6 (depends on 2) The method according to claim 2, wherein instructing the second UE to enter the RRC connected state via the PC5 unicast connection comprises: sending PC5 RRC signaling or PC5 media access control control element (MAC CE) signaling to the second UE via the PC5 unicast connection, wherein the PC5 RRC signaling or the PC5 MAC CE signaling comprises second indication information for instructing the second UE to enter the RRC connected state. ### Claim 7 A multi-path communication method, performed by a network device, comprising: receiving, via a direct path between a first user equipment (UE) and the network device, measurement information reported by the first UE; and determining a second UE to be added for the first UE according to the measurement information, wherein the second UE is a relay UE via which an indirect path between the first UE and the network device is established. ### Claim 8 (depends on 7) The method according to claim 7, wherein determining the second UE to be added for the first UE according to the measurement information comprises: determining a second UE in a radio resource control (RRC) connected state according to the measurement information; and adding the second UE in the RRC connected state for the first UE. ### Claim 9 (depends on 7) The method according to claim 7, further comprising: sending first indication information to the first UE via the direct path, wherein the first indication information comprises RRC state information of the second UE. ### Claim 10 (depends on 9) The method according to claim 9, wherein sending the first indication information to the first UE via the direct path comprises: sending RRC signaling to the first UE via the direct path, wherein the RRC signaling comprises the first indication information. ### Claim 11 (depends on 9) The method according to claim 9, further comprising: determining the RRC state information of the second UE, wherein the RRC state information comprises an RRC connected state and an RRC non-connected state, and the RRC non-connected state comprises an RRC idle state and an RRC inactivated state. ### Claim 12 (depends on 7) The method according to claim 7, further comprising: sending third indication information to the first UE via the direct path, wherein the third indication information comprises a trigger indication, and the trigger indication is configured to instruct the first UE to trigger the second UE to enter an RRC connected state. ### Claim 13 (depends on 12) The method according to claim 12, wherein sending the third indication information to the first UE via the direct path comprises: sending RRC signaling to the first UE via the direct link, wherein the RRC signaling comprises the third indication information. ### Claim 14 (canceled) ### Claim 15 (canceled) ### Claim 16 A first user equipment (UE), comprising: a transceiver; a memory; and a processor, connected to the transceiver and the memory respectively, wherein the processor is configured to: report measurement information to a network device via a direct path between the first UE and the network device; and determine that a second UE enters a radio resource control (RRC) connected state, wherein the second UE is a relay UE, added by the network device, for the first UE according to the measurement information, and an indirect path between the first UE and the network device is established via the second UE. ### Claim 17 (depends on 1) A non-transitory computer storage medium, having stored therein computer-executable instructions that, when executed by a processor, cause the processor to perform the method according to claim 1. ### Claim 18 (depends on 7) A network device, comprising: a transceiver; a memory; and a processor, connected to the transceiver and the memory respectively, wherein the processor is configured to perform the method according to claim 7. ### Claim 19 (depends on 7) A non-transitory computer storage medium, having stored therein computer-executable instructions that, when executed by a processor, cause the processor to perform the method according to claim 7. ### Claim 20 (depends on 16) The first UE according to claim 16, wherein the processor is further configured to: establish a PC5 unicast connection with the second UE; and instruct the second UE to enter the RRC connected state via the PC5 unicast connection. ### Claim 21 (depends on 20) The first UE according to claim 20, wherein the processor is further configured to: send PC5 RRC signaling or PC5 media access control control element (MAC CE) signaling to the second UE via the PC5 unicast connection, wherein the PC5 RRC signaling or the PC5 MAC CE signaling comprises second indication information for instructing the second UE to enter the RRC connected state. ### Claim 22 (depends on 20) The first UE according to claim 20, wherein the processor is further configured to: receive, via the direct path, first indication information sent by the network device, wherein the first indication information comprises RRC state information of the second UE.