US 11,722,877 B2
Method for discovering Bluetooth device and Bluetooth device
Jiaxin Li, Shanghai (CN); Zhiwei Zhang, Shanghai (CN); Ji Ding, Shanghai (CN); Ya Zhang, Shenzhen (CN); Jian Chen, Shanghai (CN); and Zhiqiang Zhang, Shenzhen (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., Guangdong (CN)
Filed on Apr. 19, 2022, as Appl. No. 17/723,956.
Application 17/723,956 is a continuation of application No. 16/324,257, granted, now 11,343,667, previously published as PCT/CN2016/097723, filed on Aug. 31, 2016.
Prior Publication US 2022/0312180 A1, Sep. 29, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 8/00 (2009.01); H04W 76/14 (2018.01); H04W 4/80 (2018.01); H04W 4/06 (2009.01); H04W 84/18 (2009.01)
CPC H04W 8/005 (2013.01) [H04W 4/06 (2013.01); H04W 4/80 (2018.02); H04W 76/14 (2018.02); H04W 84/18 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A communication system, comprising:
a first Bluetooth device, the first Bluetooth device configured to broadcast a first broadcast frame; and
a second Bluetooth device, the second Bluetooth device configured to:
receive the first broadcast frame;
determine whether the first broadcast frame comprises first indication information; and
broadcast at least one second broadcast frame within a preset time period after receiving the first broadcast frame;
wherein the first Bluetooth device is further configured to:
receive the at least one second broadcast frame;
determine whether the at least one second broadcast frame comprises second indication information; and
if the second broadcast frame comprises the second indication information, send at least one first broadcast frame periodically within a preset time period after receiving the second broadcast frame, wherein the first broadcast frame comprises first indication information, and the first indication information is used to instruct a Bluetooth device receiving the first broadcast frame to exchange information with the first Bluetooth device.