US 12,150,194 B2
Method for establishing communication connection after device is offline and smart home system
Jie Lu, Guangdong (CN); Jianwei Bai, Guangdong (CN); Zhiyang Chen, Guangdong (CN); Zhuoxin Jiang, Guangdong (CN); and Zhangzhang Yan, Guangdong (CN)
Assigned to Gree Electric Appliances, Inc. of Zhuhai, Zhuhai (CN); and Leayun Technology Co., Ltd. of Zhuhai, Zhuhai (CN)
Appl. No. 17/620,813
Filed by Gree Electric Appliances, Inc. of Zhuhai, Guangdong (CN); and Zhuhai Leayun Technology Co., Ltd, Zhuhai (CN)
PCT Filed Jul. 6, 2020, PCT No. PCT/CN2020/100327
§ 371(c)(1), (2) Date Dec. 20, 2021,
PCT Pub. No. WO2021/057160, PCT Pub. Date Apr. 1, 2021.
Claims priority of application No. 201910914018.5 (CN), filed on Sep. 25, 2019.
Prior Publication US 2022/0361274 A1, Nov. 10, 2022
Int. Cl. H04W 4/80 (2018.01); H04W 76/14 (2018.01); H04W 76/19 (2018.01)
CPC H04W 76/19 (2018.02) [H04W 4/80 (2018.02); H04W 76/14 (2018.02)] 14 Claims
OG exemplary drawing
 
1. A method for establishing a communication connection after a device is offline, comprising:
determining whether a first device is in an offline state in a Wi-Fi network under a wireless router;
connecting the first device with at least one second device in Wi-Fi connection with the wireless router when the first device is in the offline state; and
establishing a communication connection between the first device and the wireless router through the at least one second device;
wherein the method further comprising:
searching the at least one second device in Wi-Fi connection with the wireless router when the first device is in the offline state in the Wi-Fi network under the wireless router; and
establishing a communication connection between the first device and the at least one second device to make the first device to perform data transmission with the wireless router through the at least one second device, and
wherein searching the at least one second device in Wi-Fi connection with the wireless router, further comprising:
opening a bluetooth module of the first device after the first device is disconnected to Wi-Fi of the wireless router; and
sending offline state information of the first device to the wireless router by means of a bluetooth gateway through the bluetooth module of the first device, so that the wireless router sets all terminals connected with the wireless router as the at least one second device after the wireless router receives the offline state information.