# US 2020/0288283 A1 · Multi-terminal cooperative working method, terminal device, and multi-terminal cooperative system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0288283 A1 - Document ID: US20200288283A1 - Status: Published application - Kind: A1 - Application number: 16/884,022 - Filed: 2020-05-26 - Published: 2020-09-10 - Earliest claimed: 2017-11-27 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Ruihua Li; Wei Xiao; Fan Fan; Hua Chen; Lelin Wang; Jiang Li; Heng Liao - Web page: https://patentgrep.com/patent/US20200288283A1 ## CPC - H04L 41/0853: by actively collecting configuration information or by backing up configuration information - H04L 43/0817: by checking functioning - H04W 4/16: Communication-related supplementary services, e.g. call-transfer or call-hold - H04W 24/04: Arrangements for maintaining operational condition - H04L 41/0806: for initial configuration or provisioning, e.g. plug-and-play - H04L 41/0816: the condition being an adaptation, e.g. in response to network events - H04L 43/0805: by checking availability - H04L 43/10: Active monitoring, e.g. heartbeat, ping or trace-route - H04W 84/20: Leader-follower arrangements - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Various embodiment provide a multi-terminal cooperative working method, a terminal device, and a multi-terminal cooperative system. In those embodiments, a primary device can send networking information to a plurality of secondary devices, and the primary device has a permission to manage the cooperative network. The primary device can receive networking confirmation information sent by the plurality of secondary devices; and send configuration information to the plurality of secondary devices separately. The configuration information can be used to instruct to switch, based on a preset management permission switching mechanism when the primary device becomes abnormal or the primary device exits from the cooperative network, the permission to manage the cooperative network. The primary device can clear the secondary device from the cooperative network the secondary device becomes abnormal. In this way, robustness of the cooperative network can be improved. ## Claims ### Claim 1 A method for cooperative working between a plurality of terminal devices, comprising: sending, by a primary device, networking information to a plurality of secondary devices, wherein the networking information is configured to facilitate establishing a cooperative network between the primary device and the plurality of secondary devices, wherein the primary device has a permission to manage the cooperative network; receiving, by the primary device, networking confirmation information sent by the plurality of secondary devices, wherein the networking confirmation information indicating that the secondary devices have accessed the cooperative network; sending, by the primary device, configuration information to the plurality of secondary devices separately, wherein the configuration information is configured to instruct to switch, based on a preset management permission switching mechanism when the primary device becomes abnormal or the primary device exits from the cooperative network, the permission to manage the cooperative network; and clearing, by the primary device when one of the plurality of secondary devices becomes abnormal, the secondary device from the cooperative network based on a preset clearing rule. ### Claim 2 (depends on 1) The method according to claim 1, wherein the method further comprises: obtaining, by the primary device, device capability information of the plurality of secondary devices; selecting, by the primary device based on the device capability information, at least one candidate device whose device capability meets a preset requirement from the plurality of secondary devices; sequencing, by the primary device, the at least one candidate device to obtain a candidate device list, wherein a target candidate device in the candidate device list is configured to take over the management permission of the primary device when the primary device becomes abnormal or the primary device exits from the cooperative network, and the target candidate device is a candidate device selected from the at least one candidate device in the candidate device list based on a sequencing order of the candidate device list; and sending, by the primary device, the candidate device list to the plurality of secondary devices. ### Claim 3 (depends on 2) The method according to claim 2, wherein sequencing, by the primary device, the at least one candidate device to obtain a candidate device list comprises: determining, by the primary device, a device capability of the at least one candidate device based on device capability information of the at least one candidate device; and sequencing, by the primary device, the at least one candidate device in ascending or descending order of device capabilities, to obtain the candidate device list. ### Claim 4 (depends on 2) The method according to claim 2, wherein the device capability information comprises at least one of a central processing unit (CPU) speed of a device, a memory capacity of the device, remaining power of the device, a power consumption speed of the device, and a communication capability of the device. ### Claim 5 (depends on 1) The method according to claim 1, wherein the configuration information is configured to instruct a standby device preset in the plurality of secondary devices to take over, when the primary device becomes abnormal or is to exit from the cooperative network, the management permission of the primary device. ### Claim 6 (depends on 1) The method according to claim 1, wherein clearing, by the primary device when one of the plurality of secondary devices becomes abnormal, the secondary device from the cooperative network based on a preset clearing rule comprises: clearing the secondary device from the cooperative network when at least one of the following conditions occurs on the secondary device: a transmission delay between the secondary device and the primary device exceeds a preset delay; a distance between the secondary device and the primary device exceeds a preset distance; a version of an operating system is earlier than a preset version; available power is lower than preset power; and an available resource does not meet a preset requirement. ### Claim 7 (depends on 1) The method according to claim 1, wherein the method further comprises: sending, by the primary device, call transfer information to the plurality of secondary devices, wherein the call transfer information is configured for setting call transfer for the plurality of secondary devices. ### Claim 8 (depends on 1) The method according to claim 1, wherein the method further comprises: when there is an incoming call for the primary device, transferring the incoming call to a preset number. ### Claim 9 A terminal device, comprising: a sending module, configured to send networking information to a plurality of secondary devices, wherein the networking information is configured to facilitate establishing a cooperative network between the terminal device and the plurality of secondary devices, wherein the terminal device has a permission to manage the cooperative network; and a receiving module, configured to receive networking confirmation information sent by the plurality of secondary devices, wherein the networking confirmation information indicates that the secondary devices have accessed the cooperative network; and, wherein the sending module is further configured to send configuration information to the plurality of secondary devices separately, wherein the configuration information is configured to instruct to switch, based on a preset management permission switching mechanism when the terminal device becomes abnormal or the terminal device exits from the cooperative network, the permission to manage the cooperative network; and, wherein the terminal device further comprises: a processing module, configured to: when one of the plurality of secondary devices becomes abnormal, clear the secondary device from the cooperative network based on a preset clearing rule. ### Claim 10 (depends on 9) The terminal device according to claim 9, wherein the processing module is further configured to: obtain device capability information of the plurality of secondary devices; select, based on the device capability information, at least one candidate device whose device capability meets a preset requirement from the plurality of secondary devices; and sequence the at least one candidate device to obtain a candidate device list, wherein a target candidate device in the candidate device list is configured to take over the management permission of the terminal device when the terminal device becomes abnormal or the terminal device exits from the cooperative network, and the target candidate device is a candidate device selected from the at least one candidate device in the candidate device list based on a sequencing order of the candidate device list. ### Claim 11 (depends on 10) The terminal device according to claim 10, wherein the processing module is configured to: determine a device capability of the at least one candidate device based on device capability information of the at least one candidate device; and sequence the at least one candidate device in ascending or descending order of device capabilities, to obtain the candidate device list. ### Claim 12 (depends on 10) The terminal device according to claim 10, wherein the device capability information comprises at least one of a central processing unit (CPU) speed of a device, a memory capacity of the device, remaining power of the device, a power consumption speed of the device, and a communication capability of the device. ### Claim 13 (depends on 9) The terminal device according to claim 9, wherein the configuration information is configured to instruct a standby device preset in the plurality of secondary devices to take over, when the terminal device becomes abnormal or is to exit from the cooperative network, the management permission of the terminal device. ### Claim 14 (depends on 9) The terminal device according to claim 9, wherein the processing module is specifically configured to: clear the secondary device from the cooperative network when at least one of the following conditions occurs on the secondary device: a transmission delay between the secondary device and the terminal device exceeds a preset delay; a distance between the secondary device and the terminal device exceeds a preset distance; a version of an operating system is earlier than a preset version; available power is lower than preset power; and an available resource does not meet a preset requirement. ### Claim 15 (depends on 9) The terminal device according to claim 9, wherein the sending module is further configured to: send call transfer information to the plurality of secondary devices, wherein the call transfer information is configured for setting call transfer for the plurality of secondary devices. ### Claim 16 (depends on 9) The terminal device according to claim 9, wherein the processing module is further configured to: when there is an incoming call for the terminal device, transfer the incoming call to a preset number. ### Claim 17 A multi-terminal cooperative system, wherein the multi-terminal cooperative system comprises a primary device and a plurality of secondary devices; the primary device sends networking information to the plurality of secondary devices, wherein the networking information is configured to facilitate establishing a cooperative network between the primary device and the plurality of secondary devices, wherein the primary device has a permission to manage the cooperative network; the plurality of secondary devices separately send networking confirmation information to the primary device, wherein the networking confirmation information is used to indicate that the secondary devices have accessed the cooperative network; the primary device sends configuration information to the plurality of secondary devices separately, wherein the configuration information is configured to instruct to switch, based on a preset management permission switching mechanism when the primary device becomes abnormal or the primary device exits from the cooperative network, the permission to manage the cooperative network; when the primary device becomes abnormal or the primary device exits from the cooperative network, the plurality of secondary devices switch, based on the preset management permission switching mechanism, the permission to manage the cooperative network; and when one of the plurality of secondary devices becomes abnormal, the primary device clears the secondary device from the cooperative network based on a preset clearing rule.