Method of transmitting proximity service data and electronic device for the same

Patent metadata

Field	Value
Publication number	US-10880824-B2
Application number	US-201916378126-A
Country	US
Kind code	B2
Filing date	Apr 8, 2019
Priority date	Nov 26, 2014
Publication date	Dec 29, 2020
Grant date	Dec 29, 2020

Abstract

An electronic device in a neighbor awareness networking (NAN) cluster is provided. The electronic device includes a wireless fidelity (Wi-Fi) transceiver; and a processor, coupled with the Wi-Fi transceiver, configured to perform a synchronization with at least one device in the NAN cluster, wherein the at least one device comprises an external electronic device, after performing the synchronization, receive, from the external electronic device through the Wi-Fi transceiver, a frame including first data within at least one discovery window (DW) among a plurality of DWs, wherein the first data comprises channel information for second data, and time information for the second data, and based on the channel information and the time information, control the Wi-Fi transceiver to receive the second data at a channel corresponding to the channel information of the received first data during a time duration corresponding to the time information of the received first data.

First claim

What is claimed is:

1. An electronic device operable in a neighbor awareness networking (NAN) cluster, the electronic device comprising:
a wireless fidelity (Wi-Fi) transceiver; and
a processor, coupled with the Wi-Fi transceiver, configured to:
perform a time synchronization with at least one device in the NAN cluster, wherein the at least one device comprises an external electronic device,
after performing the time synchronization, receive, from the external electronic device through the Wi-Fi transceiver, a frame including first data within at least one discovery window (DW) among a plurality of DWs, wherein the first data comprises channel information for transferring second data, and transmission time information for transferring the second data, and
control the Wi-Fi transceiver to receive the second data at a channel corresponding to the channel information during a time duration corresponding to the transmission time information, wherein the transmission time information includes first information for indicating a start of the time duration indicated by a relative time with respect to a discovery window to which the electronic device and the external electronic device is synchronized.

2. The electronic device of claim 1 , wherein the Wi-Fi transceiver is configured to switch from a low-power mode to an active mode to receive the second data at the channel corresponding to the channel information during the time duration corresponding to the transmission time information,
wherein power consumption of the Wi-Fi transceiver in the low-power mode is less than power consumption of the Wi-Fi transceiver in the active mode.

3. The electronic device of claim 1 , wherein the first data further comprises at least one of interface address information for transmitting the second data by the external electronic device, or interface address information for receiving the second data by a reception device.

4. The electronic device of claim 1 , wherein the frame comprises at least one of a service discovery frame or an action frame.

5. The electronic device of claim 1 , wherein the transmission time information includes at least one of a start offset, a time duration, or a period.

6. The electronic device of claim 1 , wherein the channel is outside the plurality of DWs, and
wherein the time duration is outside the plurality of DWs.

7. The electronic device of claim 1 , wherein the first data further comprises a security key, and
wherein the security key is configured for decrypting the second data.

8. The electronic device of claim 1 , further comprising:
a Bluetooth low energy (BLE) module;
wherein the processor is further configured to:
receive, through the BLE module, a BLE signal comprising a service identifier, the signal for triggering an NAN operation of the Wi-Fi transceiver,
in response to the service identifier corresponding to an NAN operation, perform the time synchronization with at least one device in the NAN cluster for providing a service indicated by the service identifier, the service being associated with an external electronic device that transmit the BLE signal.

9. The electronic device of claim 1 , wherein the processor is further configured to power on the Wi-Fi transceiver in response to a service identifier corresponding to an NAN operation.

10. The electronic device of claim 1 , wherein the processor is further configured to:
execute an application providing a sharing service for a multimedia content, and
provide, using the executed application, the received second data as the multimedia content,
wherein the multimedia content comprises at least one of an image, a video, music, an emoticon, a business card, a greeting message, or advertisement content.

11. The electronic device of claim 1 , wherein the transmission time information includes information for receiving second data during a plurality of time intervals.

12. The electronic device of claim 1 , wherein the first data comprises information on a device for transmitting the second data and information on a target device receiving the second data.

13. The electronic device of claim 1 , wherein the processor is further configured to:
receive a signal for discovery through the Wi-Fi transceiver, and
perform the time synchronization based on the received signal for discovery.

14. An electronic device operable in a neighbor awareness networking (NAN) cluster, the electronic device comprising:
a wireless fidelity (Wi-Fi) transceiver; and
a processor, coupled with the Wi-Fi transceiver, configured to:
perform a time synchronization with at least one device in the NAN cluster,
after performing the time synchronization, transmit, to the at least one device through the Wi-Fi transceiver, a frame including first data within at least one discovery window (DW) among a plurality of DWs, wherein the first data comprises channel information for transferring second data, and transmission time information for transferring the second data, and
control the Wi-Fi transceiver to transmit the second data at a channel corresponding to the channel information during a time duration corresponding to the transmission time information, wherein the transmission time information includes first information for indicating a start of the time duration indicated by a relative time with respect to a discovery window to which the electronic device and the external electronic device are synchronized.

15. The electronic device of claim 2 , wherein the Wi-Fi transceiver is configured to switch from a low-power mode to an active mode to transmit the second data at the channel corresponding to the channel information during a time duration corresponding to the transmission time information,
wherein power consumption of the Wi-Fi transceiver in the low-power mode is less than the power consumption of the Wi-Fi transceiver in the active mode.

16. The electronic device of claim 14 , wherein the first data further comprises at least one of interface address information for transmitting the second data by the electronic device or interface address information for receiving the second data by a reception device.

17. The electronic device of claim 14 , wherein the frame comprises at least one of a service discovery frame or an action frame.

18. The electronic device of claim 14 , wherein the time transmission information further includes at least one of a start offset, a time duration, or a period.

19. The electronic device of claim 14 , wherein the channel is outside the plurality of DWs, and
wherein the time duration is outside the plurality of DWs.

20. The electronic device of claim 14 , wherein the first data further comprises a security key configured for decrypting the second data.

21. The electronic device of claim 14 , wherein the processor is further configured to:
execute an application providing a sharing service for a multimedia content, and
in response to executing the application, perform the time synchronization with the at least one device in the NAN cluster for providing the sharing service,
wherein the second data comprises the multimedia content associated with the application, and
wherein the comprises at least one of an image, a video, music, an emoticon, a business card, a greeting message, or advertisement content.

22. The electronic device of claim 14 , wherein the transmission time information includes information for receiving second data during a plurality of time intervals.

Assignees

• Samsung Electronics Co Ltd

Inventors

• Jung Bu-Seop
• Chung Young-Kwan
• Son Dong-Il
• Choi Yong-Hae
• Kim Ju-Ho
• Kang Christopher
• Kang Hyuk

Classifications

• H04W4/80

  Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication · CPC title

• H04W8/005

  Discovery of network devices, e.g. terminals · CPC title

• H04W4/20 Primary

  Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel · CPC title

• H04W8/26

  Network addressing or numbering for mobility support · CPC title

• H04W48/16 Primary

  Discovering, processing access restriction or access information · CPC title