# US 2019/0357283 A1 · Bluetooth communication system and related transmitting-end bluetooth device and receiving-end bluetooth device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0357283 A1 - Document ID: US20190357283A1 - Status: Published application - Kind: A1 - Application number: 16/410,711 - Filed: 2019-05-13 - Published: 2019-11-21 - Earliest claimed: 2018-05-18 - Assignees: Realtek Semiconductor Corp. - Applicants: Realtek Semiconductor Corp. - Inventors: Yu-Hsuan LIU - Web page: https://patentgrep.com/patent/US20190357283A1 ## CPC - H04W 76/10: Connection setup - H04W 76/14: Direct-mode setup - H04W 84/18: Self-organising networks, e.g. ad-hoc networks or sensor networks - H04W 92/18: between terminal devices - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A Bluetooth communication system includes: a transmitting-end Bluetooth device arranged to operably insert an auto-pairing request and a source Bluetooth device address into one or more target packets when the transmitting-end Bluetooth device wants to initiate a Bluetooth auto-pairing procedure, and arranged to operably transmit the one or more target packets when operating under a transmitting-end predetermined operating mode; and a receiving-end Bluetooth device arranged to operably receive the one or more target packets when operating under a receiving-end predetermined operating mode, and to parse the one or more target packets to extract the auto-pairing request and the source Bluetooth device address from the one or more target packets. Then, the receiving-end Bluetooth device is enabled to conduct a Bluetooth auto-pairing procedure with the transmitting-end Bluetooth device according to the auto-pairing request and the source Bluetooth device address. ## Claims ### Claim 1 A Bluetooth communication system (100), comprising: a transmitting-end Bluetooth device (110), comprising: a transmitting-end Bluetooth transceiver circuit (111); a packet generating circuit (113), coupled with the transmitting-end Bluetooth transceiver circuit (111); and a transmitting-end control circuit (115), coupled with the transmitting-end Bluetooth transceiver circuit (111) and the packet generating circuit (113), arranged to operably instruct the packet generating circuit (113) to insert an auto-pairing request and a source Bluetooth device address into one or more target packets when the transmitting-end Bluetooth device (110) initiates a Bluetooth auto-pairing procedure, and arranged to operably control the transmitting-end Bluetooth transceiver circuit (111) to transmit the one or more target packets when the transmitting-end Bluetooth device (110) operates under a transmitting-end predetermined operating mode; and a receiving-end Bluetooth device (120), comprising: a receiving-end Bluetooth transceiver circuit (121), arranged to operably receive the one or more target packets when the receiving-end Bluetooth device (120) operates under a receiving-end predetermined operating mode; a packet parsing circuit (123), coupled with the receiving-end Bluetooth transceiver circuit (121), arranged to operably parse the one or more target packets to extract the auto-pairing request and the source Bluetooth device address; and a receiving-end control circuit (125), coupled with the receiving-end Bluetooth transceiver circuit (121) and the packet parsing circuit (123), arranged to operably conduct the Bluetooth auto-pairing procedure with the transmitting-end Bluetooth device (110) through the receiving-end Bluetooth transceiver circuit (121) according to the auto-pairing request and the source Bluetooth device address to establish one or more Bluetooth bonds between the transmitting-end Bluetooth device (110) and the receiving-end Bluetooth device (120). ### Claim 2 A transmitting-end Bluetooth device (110), comprising: a transmitting-end Bluetooth transceiver circuit (111); a packet generating circuit (113), coupled with the transmitting-end Bluetooth transceiver circuit (111); and a transmitting-end control circuit (115), coupled with the transmitting-end Bluetooth transceiver circuit (111) and the packet generating circuit (113), arranged to operably instruct the packet generating circuit (113) to insert an auto-pairing request and a source Bluetooth device address into one or more target packets when the transmitting-end Bluetooth device (110) initiates a Bluetooth auto-pairing procedure, and arranged to operably control the transmitting-end Bluetooth transceiver circuit (111) to transmit the one or more target packets when the transmitting-end Bluetooth device (110) operates under a transmitting-end predetermined operating mode. ### Claim 3 (depends on 2) The transmitting-end Bluetooth device (110) of claim 2, wherein if the transmitting-end predetermined operating mode is a Scannable mode, the one or more target packets comprises: one or more auxiliary advertising indication (AUX_ADV_IND) packets; a group of packets formed by one or more extended advertising indication (ADV_EXT_IND) packets and one or more auxiliary advertising indication packets; one or more auxiliary scan response (AUX_SCAN_RSP) packets; a group of packets formed by one or more extended advertising indication packets, one or more auxiliary advertising indication packets, and one or more auxiliary scan response packets; one or more auxiliary scan response packets, and one or more auxiliary chain indication (AUX_CHAIN_IND) packets; or a group of packets formed by one or more extended advertising indication packets, one or more auxiliary advertising indication packets, one or more auxiliary scan response packets, and one or more auxiliary chain indication packets. ### Claim 4 (depends on 2) The transmitting-end Bluetooth device (110) of claim 2, wherein if the transmitting-end predetermined operating mode is a Connectable mode, the one or more target packets comprise: one or more auxiliary advertising indication packets; or a group of packets formed by one or more extended advertising indication packets, and one or more auxiliary advertising indication packets. ### Claim 5 (depends on 2) The transmitting-end Bluetooth device (110) of claim 2, wherein if the transmitting-end predetermined operating mode is a Non-connectable mode, or a Non-scannable mode, the one or more target packets comprise: one or more auxiliary advertising indication packets; a group of packets formed by one or more extended advertising indication packets, and one or more auxiliary advertising indication packets; one or more auxiliary chain indication packets; a group of packets formed by one or more extended advertising indication packets, one or more auxiliary advertising indication packets, and one or more auxiliary chain indication packets; one or more auxiliary synchronous indication (AUX_SYNC_IND) packets; or a group of packets formed by one or more extended advertising indication packets, one or more auxiliary advertising indication packets, and one or more auxiliary synchronous indication packets. ### Claim 6 (depends on 2) The transmitting-end Bluetooth device (110) of claim 2, wherein if the transmitting-end predetermined operating mode is a Periodic Advertising mode, the one or more target packets comprise: one or more auxiliary synchronous indication packets; or a group of packets formed by one or more extended advertising indication packets, one or more auxiliary advertising indication packets, and one or more auxiliary synchronous indication packets. ### Claim 7 A receiving-end Bluetooth device (120), comprising: a receiving-end Bluetooth transceiver circuit (121), arranged to operably receive one or more target packets when the receiving-end Bluetooth device (120) operates under a receiving-end predetermined operating mode; a packet parsing circuit (123), coupled with the receiving-end Bluetooth transceiver circuit (121), configured to operably parse the one or more target packets to extract an auto-pairing request and a source Bluetooth device address; and a receiving-end control circuit (125), coupled with the receiving-end Bluetooth transceiver circuit (121) and the packet parsing circuit (123), arranged to operably conduct a Bluetooth auto-pairing procedure with a transmitting-end Bluetooth device (110) corresponding to the source Bluetooth device address through the receiving-end Bluetooth transceiver circuit (121) according to the auto-pairing request and the source Bluetooth device address to establish one or more Bluetooth bonds between the transmitting-end Bluetooth device (110) and the receiving-end Bluetooth device (120). ### Claim 8 (depends on 7) The receiving-end Bluetooth device (120) of claim 7, wherein if the receiving-end predetermined operating mode is a LE Extended Passive Scan mode, the one or more target packets comprise: one or more auxiliary advertising indication packets; a group of packets formed by one or more extended advertising indication packets, and one or more auxiliary advertising indication packets; one or more auxiliary chain indication packets; or a group of packets formed by one or more extended advertising indication packets, one or more auxiliary advertising indication packets, and one or more auxiliary chain indication packets. ### Claim 9 (depends on 7) The receiving-end Bluetooth device (120) of claim 7, wherein if the receiving-end predetermined operating mode is a LE Extended Active Scan mode, the one or more target packets comprise: one or more auxiliary advertising indication packets; a group of packets formed by one or more extended advertising indication packets, and one or more auxiliary advertising indication packets; one or more auxiliary scan response packets; a group of packets formed by one or more extended advertising indication packets, one or more auxiliary advertising indication packets, and one or more auxiliary scan response packets; one or more auxiliary scan response packets, and one or more auxiliary chain indication packets; or a group of packets formed by one or more extended advertising indication packets, one or more auxiliary advertising indication packets, one or more auxiliary scan response packets, and one or more auxiliary chain indication packets. ### Claim 10 (depends on 7) The receiving-end Bluetooth device (120) of claim 7, wherein if the receiving-end predetermined operating mode is a LE Extended Initiator mode, the one or more target packets comprise: one or more auxiliary advertising indication packets; or a group of packets formed by one or more extended advertising indication packets, and one or more auxiliary advertising indication packets. ### Claim 11 (depends on 7) The receiving-end Bluetooth device (120) of claim 7, wherein if the receiving-end predetermined operating mode is a Periodic Scanning mode, the one or more target packets comprise: one or more auxiliary synchronous indication packets; or a group of packets formed by one or more extended advertising indication packets, one or more auxiliary advertising indication packets, and one or more auxiliary synchronous indication packets.