# US 11,445,566 B2 · Communications method and wearable device, communications system, and related device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,445,566 B2 - Document ID: US11445566B2 - Status: Granted - Kind: B2 - Application number: 17/183,503 - Filed: 2021-02-24 - Published: 2021-08-19 - Granted: 2022-09-13 - Earliest claimed: 2019-04-08 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Qinliang Zhang; Yu Zhu - Web page: https://patentgrep.com/patent/US11445566B2 ## CPC - H04W 76/19: Connection re-establishment - G06F 1/163: {Wearable computers, e.g. on a belt} - H04M 1/72412: using two-way short-range wireless interfaces - H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication - H04W 36/305: {Handover due to radio link failure (control signalling for hand-off failure H04W36/0079)} - H04W 76/10: Connection setup - H04W 76/23: Manipulation of direct-mode connections - H04W 36/035: {in self-organising networks} - H04W 84/12: WLAN [Wireless Local Area Networks] - H04W 84/18: Self-organising networks, e.g. ad-hoc networks or sensor networks - Y02D 30/70: in wireless communication networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract In a communications method of a wearable device, if a second BLUETOOTH connection between user equipment and the wearable device is disconnected, a first BLUETOOTH connection between a network connection device and the wearable device is established, so that the network connection device may send, to the wearable device through the first BLUETOOTH connection, first information sent by the user equipment through a third communication connection to the network connection device. In this way, indirect communication between the user equipment and the wearable device is implemented by using the network connection device, so that the user equipment and the wearable device are not limited by a communication range. ## Claims ### Claim 1 A communication system, comprising: a wearable device; and an electronic device configured to: establish a first communication connection with the wearable device; and establish a second communication connection with a first device; wherein the wearable device is configured to establish a third communication connection with the first device after the first communication connection is disconnected; wherein the electronic device is further configured to send first information to the wearable device via the second communication connection in a case that the first communication connection is disconnected; wherein the wearable device is further configured to: receive the first information via the third communication connection; wherein the electronic device is further configured to: detect a BLUETOOTH signal of the wearable device after the first communication connection is disconnected; establish a BLUETOOTH connection with the wearable device; send second information to the wearable device via the BLUETOOTH connection; wherein the wearable device is further configured to: disconnect the third communication connection in a case that the BLUETOOTH connection is established; and receive the second information via the BLUETOOTH connection. ### Claim 2 (depends on 1) The communication system of claim 1, wherein the electronic device is further configured to send configuration information of the first device to the wearable device via the first communication connection, and wherein the wearable device is further configured to receive the configuration information via the first communication connection; and establish the third communication connection with the first device by establishing the third communication connection with the first device according to the configuration information. ### Claim 3 (depends on 2) The communication system of claim 2, wherein the electronic device is further configured to configure the configuration information of the first device. ### Claim 4 (depends on 2) The communication system of claim 2, wherein the configuration information comprises a key for establishing the third communication connection with the first device. ### Claim 5 (depends on 1) The communication system of claim 1, wherein the electronic device is further configured to detect the BLUETOOTH signal of the wearable device by detecting that a strength of the BLUETOOTH signal of the wearable device is equal to or exceeds a threshold. ### Claim 6 (depends on 1) The communication system of claim 1, wherein the wearable device is further configured to send third information to the electronic device via the BLUETOOTH connection, and wherein the electronic device is further configured to receive the third information via the BLUETOOTH connection. ### Claim 7 (depends on 1) The communication system of claim 1, wherein the first communication connection comprises a connection supporting BLUETOOTH protocol, and wherein the second communication connection comprises a connection supporting WI-FI protocol. ### Claim 8 (depends on 1) The communication system of claim 1, wherein the second information comprises an indication of a first incoming call. ### Claim 9 A wearable device, comprising: a memory configured to store instructions; and a processor coupled to the memory and configured to execute the instructions to cause the wearable device to: establish a first communication connection with an electronic device, wherein the electronic device is connected to a first device via a second communication connection; establish a third communication connection with the first device in a case that the first communication connection is disconnected; receive first information sent by the electronic device via the third communication connection in a case that the first communication connection is disconnected and that the second communication connection and the third communication connection are maintained; establish a BLUETOOTH connection with the electronic device in a case that the electronic device detect a BLUETOOTH signal of the wearable device after the first communication connection is disconnected; disconnect the third communication connection in a case that the BLUETOOTH connection is established; and receive second information sent by the electronic device via the BLUETOOTH connection. ### Claim 10 (depends on 9) The wearable device of claim 9, wherein the processor is further configured to execute the instructions to cause the wearable device to receive configuration information of the first device sent by the electronic device via the first communication connection; and establish the third communication connection with the first device by establishing the third communication connection with the first device according to the configuration information. ### Claim 11 (depends on 10) The wearable device of claim 10, wherein the configuration information comprises a key for establishing the third communication connection with the first device. ### Claim 12 (depends on 9) The wearable device of claim 9, wherein the processor is further configured to execute the instructions to cause the wearable device to send third information to the electronic device via the BLUETOOTH connection. ### Claim 13 (depends on 9) The wearable device of claim 9, wherein the first communication connection comprises a connection supporting BLUETOOTH protocol, and wherein the second communication connection comprises a connection supporting WI-FI protocol. ### Claim 14 (depends on 9) The wearable device of claim 9, wherein the second information comprises an indication of a first incoming call. ### Claim 15 An electronic device, comprising: a memory configured to store instructions; and a processor coupled to the memory and configured to execute the instructions to cause the electronic device to: establish a first communication connection with the wearable device; and establish a second communication connection with a first device; send first information to the wearable device via the second communication connection in a case that the first communication connection is disconnected, and a third communication connection between the wearable device and the first device is established after the first communication connection is disconnected; detect a BLUETOOTH signal of the wearable device in a case that the first communication connection is disconnected; establish a BLUETOOTH connection with the wearable device; send second information to the wearable device via the BLUETOOTH connection in a case that the BLUETOOTH connection and second communication connection are maintained, and the third communication connection is disconnected after the BLUETOOTH connection is established. ### Claim 16 (depends on 15) The electronic device of claim 15, wherein the processor is further configured to execute the instructions to cause the electronic device to send configuration information of the first device to the wearable device via the first communication connection. ### Claim 17 (depends on 16) The electronic device of claim 16, wherein the electronic device is further configured to configure the configuration information of the first device. ### Claim 18 (depends on 16) The electronic device of claim 16, wherein the configuration information comprises a key for establishing the third communication connection with the first device. ### Claim 19 (depends on 15) The electronic device of claim 15, wherein the second information comprises an indication of a first incoming call. ### Claim 20 (depends on 15) The electronic device of claim 15, wherein the processor is further configured to detect the BLUETOOTH signal of the wearable device by detecting that a strength of the BLUETOOTH signal of the wearable device is equal to or exceeds a threshold.