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 |
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.
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