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Bluetooth communication system capable of increasing generation efficiency of cypher keys required for data transmission between Bluetooth host device and Bluetooth device set, and related Bluetooth device set

專利號(hào)
US11997480B2
公開(kāi)日期
2024-05-28
申請(qǐng)人
Realtek Semiconductor Corp.（TW Hsinchu）
發(fā)明人
Yu Hsuan Liu; Yung Chieh Lin; Po Sheng Chiu
IPC分類
H04W12/041; G06F3/0482; H04L9/08; H04L9/14; H04W4/80; H04W8/00; H04W12/03; H04W12/037; H04W12/0471; H04W12/50; H04W12/55; H04W76/15; H04W84/18
技術(shù)領(lǐng)域
bluetooth,cypher,device,member,host,key,circuit,first,operably,second
地域： Hsinchu

摘要

A Bluetooth communication system includes: a Bluetooth host device; and a Bluetooth device set which including a first member device and a second member device. The first member device transmits a device information of the first member device to the Bluetooth host device. The Bluetooth host device controls a display device to display a candidate device list, and to display a single device item in the candidate device list to represent the Bluetooth device set, but does not simultaneously display two device items in the candidate device list to represent the first member device and the second member device. The Bluetooth host device further establishes a connection with the first member device to conduct pairing procedure to generate a first cypher key after receiving a selection command. The first member device further establishes a connection with the Bluetooth host device to conduct pairing procedure to generate a second cypher key.

說(shuō)明書(shū)

Similarly, in the embodiments where the Bluetooth host device 110, the first member device 120, and the second member device 130 support the BLE Audio technology, the Bluetooth host device 110 may adopt the BLE Audio technology to transmit audio data to the first member device 120 and the second member device 130, and the Bluetooth host device 110 can utilize the Low Complexity Communication Codec (LC3) to encode the audio data. As a result, it not only reduces the power consumption of the Bluetooth host device 110, the first member device 120, and the second member device 130 to thereby extend the serving time of the Bluetooth host device 110, the first member device 120, and the second member device 130, but also effectively improves the overall quality of the audio playback operations.

In another embodiment, other member devices in the Bluetooth device set 102 (e.g., the second member device 130 and the third member device 140) may generate one or more target Bluetooth packets containing the device information of respective member device and the resolvable set identifiers corresponding to respective member device, and transmit the one or more target Bluetooth packets to the to the Bluetooth host device 110 according to the approach adopted by the first member device 120 in the operation 402 of FIG. 4. In other words, all member devices in the Bluetooth device set 102 may conduct the same operations in the operation 402.

權(quán)利要求

1
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