BLE-USB, USB to Bluetooth Low Energy Converter (Ver. 1.0, Oct/6/2016) 10
Broadcaster: it passively listens to BLE devices in its area and processes the data from the
advertising packets it receives.
Figure 1-6. The workflow of Bluetooth LE broadcast
1.6
Master Identification Mechanism
The Slave had a master identification mechanism. The Master will send identification packet to
the Slave. The Slave will check the identification packet that the identification packet was
incorrect. The Slave will disconnect with the Master. The feature can enable by AT command
(refer to
Figure 1-7. The architecture of master identification mechanism
Broadcaster
Observer
Observer
Broadcast packet
Scan
Scan
Scan
Scan
Scan
Broadcast packet
Broadcast packet
Broadcast packet
Didn’t receive
packet
Didn’t receive
packet
Master
(Central)
Slave
(Peripheral)
Slave
(Peripheral)
Link establish
identification packet
Connection Request
disconnect
Packet incorrect
identification packet
Link establish
Packet correct
