Enhanced Bluetooth mechanism for triggering Wi-Fi radios
This disclosure describes methods, apparatus, and systems related to enhanced Bluetooth triggering of device Wi-Fi radios. A device may determine a first Bluetooth data packet including transport data and an indication of a Wi-Fi service discovery, the transport data including a first sub-field and a second sub-field, the first sub-field indicating a length of the second sub-field, and the second sub-field indicating one or more Wi-Fi services supported by the device. A Bluetooth radio of the device may send the first Bluetooth data packet including an indication of a Wi-Fi service. The device may identify a second Bluetooth data packet received by the Bluetooth radio from a second device, the second Bluetooth data packet indicating that the Wi-Fi service is supported by the second device. The device may use a Wi-Fi radio to send one or more Wi-Fi frames associated with the Wi-Fi service to the second device.
1. A device, the device comprising processing circuitry coupled to storage, the processing circuitry configured to:
generate a first Bluetooth® low energy (BLE) packet, wherein the first BLE packet comprises transport data and an indication of a Wi-Fi service discovery, the transport data comprising a first sub-field indicating a length of a second sub-field, wherein the second sub-field is a first bloom filter comprising a first text string associated with a Wi-Fi service that is seeked;
advertise the first BLE packet using a Bluetooth radio, wherein the first text string is set to represent a Wi-Fi operation, Wi-Fi service, and a Wi-Fi service link;
identify a second BLE packet received by the Bluetooth radio from a second device in response to the first BLE packet, wherein the second BLE packet comprises a second bloom filter comprising a second text string that indicates that the second device is a provider of the Wi-Fi service, and wherein the second BLE packet comprises a Bluetooth device address identifying the second device; and
activate a Wi-Fi radio associated with the device based on identifying the second device is the provider of the Wi-Fi service.
2. The device of claim 1 , wherein the first text string and the second text string have a format of “operation element:service name%data link identifier.”
3. The device of claim 2 , wherein the processing circuitry is further configured to set the operation element of the first string or the second string to “b” to indicate an operation to browse for a service and request activation of a data link if there is a matching service.
4. The device of claim 2 , wherein the processing circuitry is further configured to set the operation element of the first string or the second string to “p” to indicate a provider of service.
5. The device of claim 2 , wherein the processing circuitry is further configured to set the operation element of the first string or the second string to “s” to indicate seeking a service without requesting activation of a matching data link.
6. The device of claim 1 , wherein the first string and second string are case sensitive.
7. The device of claim 1 , wherein the first BLE packet is a BLE Transport Discovery Service (TDS) packet.
8. The device of claim 1 , wherein the second sub-field indicates one or more operations, the one or more operations comprising at least one of a device-specific activation, a request to activate a data link based on an indication that the Wi-Fi service is supported by the second device, a provider of the Wi-Fi service, or a request for the Wi-Fi service without causing activation of the data link based on an indication that the Wi-Fi service is supported by the second device.
9. The device of claim 8 , wherein the device-specific activation comprises a parameter with a BLE address of a provider device intended to be activated.
10. A non-transitory computer-readable medium storing computer-executable instructions which when executed by one or more processors result in performing operations comprising:
generating a first Bluetooth® low energy (BLE) packet, wherein the first BLE packet comprises transport data and an indication of a Wi-Fi service discovery, the transport data comprising a first sub-field indicating a length of a second sub-field, wherein the second sub-field is a first bloom filter comprising a first text string associated with a Wi-Fi service that is seeked;
advertise the first BLE packet using a Bluetooth radio, wherein the first text string is set to represent a Wi-Fi operation, Wi-Fi service, and a Wi-Fi service link;
identifying a second BLE packet received by the Bluetooth radio from a second device in response to the first BLE packet, wherein the second BLE packet comprises a second bloom filter comprising a second text string that indicates that the second device is a provider of the Wi-Fi service, and wherein the second BLE packet comprises a Bluetooth device address identifying the second device; and
activate a Wi-Fi radio associated with the device based on identifying the second device is the provider of the Wi-Fi service.
11. The non-transitory computer-readable medium of claim 10 , wherein the first text string and the second text string have a format of “operation element:service name%data link identifier.”
12. The non-transitory computer-readable medium of claim 11 , wherein the operations further comprise setting the operation element of the first string or the second string to “b” to indicate an operation to browse for a service and request activation of a data link if there is a matching service.
13. The non-transitory computer-readable medium of claim 11 , wherein the operations further comprise setting the operation element of the first string or the second string to “p” to indicate a provider of service.
14. The non-transitory computer-readable medium of claim 11 , wherein the operations further comprise setting the operation element of the first string or the second string to “s” to indicate seeking a service without requesting activation of a matching data link.
15. The non-transitory computer-readable medium of claim 10 , wherein the first string and second string are case sensitive.
16. The non-transitory computer-readable medium of claim 10 , wherein the first BLE packet is a BLE Transport Discovery Service (TDS) packet.
17. The non-transitory computer-readable medium of claim 10 , wherein the second sub-field indicates one or more operations, the one or more operations comprising at least one of a device-specific activation, a request to activate a data link based on an indication that the Wi-Fi service is supported by the second device, a provider of the Wi-Fi service, or a request for the Wi-Fi service without causing activation of the data link based on an indication that the Wi-Fi service is supported by the second device.
18. The non-transitory computer-readable medium of claim 17 , wherein the device-specific activation comprises a parameter with a BLE address of a provider device intended to be activated.
19. A method comprising:
generating a first Bluetooth® low energy (BLE) packet, wherein the first BLE packet comprises transport data and an indication of a Wi-Fi service discovery, the transport data comprising a first sub-field indicating a length of a second sub-field, wherein the second sub-field is a first bloom filter comprising a first text string associated with a Wi-Fi service that is seeked;
advertise the first BLE packet using a Bluetooth radio, wherein the first text string is set to represent a Wi-Fi operation, Wi-Fi service, and a Wi-Fi service link;
identifying a second BLE packet received by the Bluetooth radio from a second device in response to the first BLE packet, wherein the second BLE packet comprises a second bloom filter comprising a second text string that indicates that the second device is a provider of the Wi-Fi service, and wherein the second BLE packet comprises a Bluetooth device address identifying the second device; and
activate a Wi-Fi radio associated with the device based on identifying the second device is the provider of the Wi-Fi service.
20. The method of claim 19 , wherein the first text string and the second text string have a format of “operation element:service name%data link identifier.”