Wireless communication device information processing device, and communication method

• US 10,278,058 B2
• Filed: 07/09/2018
• Issued: 04/30/2019
• Est. Priority Date: 04/13/2012
• Status: Active Grant

• Current Assignee: Saturn Licensing LLC (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Yamaura, Tomoya
• Primary Examiner(s): Daya, Tejis
• Application Number:
  US16/030,390
• Publication Number:
  US 20180332536A1
• Time in Patent Office: 295 Days
• CPC Class Codes: H04L 63/0428 wherein the data content is protected, e.g. by encrypting or encapsulating the payload
• CPC Class Codes: H04L 67/104 Peer-to-peer [P2P] networks
• CPC Class Codes: H04L 67/125 involving control of end-device applications over a network
• CPC Class Codes: H04L 67/51 Discovery or management thereof, e.g. service location protocol [SLP] or web services
• CPC Class Codes: H04L 69/321 Interlayer communication protocols or service data unit [SDU] definitions; Interfaces between layers
• CPC Class Codes: H04M 1/72412 using two-way short-range wireless interfaces
• CPC Class Codes: H04M 2250/06 including a wireless LAN interface
• CPC Class Codes: H04W 4/21 for social networking applications
• CPC Class Codes: H04W 4/80 Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
• CPC Class Codes: H04W 52/0229 where the received signal is a wanted signal
• CPC Class Codes: H04W 52/0287 changing the clock frequency of a controller in the equipment
• CPC Class Codes: H04W 76/14 Direct-mode setup
• CPC Class Codes: H04W 76/22 Manipulation of transport tunnels
• CPC Class Codes: H04W 8/005 Discovery of network devices, e.g. terminals
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

Provided is a wireless communication device to perform an inter-device wireless communication with another wireless communication device in accordance with the Wi-Fi (Wireless Fidelity) Direct specification. This wireless communication device includes a transmitting unit. This transmitting unit incorporates information about the role of the wireless communication device into an action frame specified in the IEEE (Institute of Electrical and Electronic Engineers) 802.11 specification, and then transmits the action frame.

Claims

1. A wireless communication device, comprising:

circuitry configured to;

establish a wireless connection in a data link layer (L2) with a first device based on designation of a first application;

transmit content data to the first device based on the first application;

designate a second application based on a transmission of a first signal,

wherein the first signal includes information for the designation of the second application, and

wherein the first signal is transmitted such that the established wireless connection is maintained;

display an image based on the content data;

execute the second application; and

transmit image data, associated with the displayed image, to the first device based on the execution of the second application,

wherein the second application is executed while the first application is performed,

wherein the first device displays the image based on the image data while the image is displayed at the wireless communication device,

wherein the second application corresponds to Wi-Fi certified Miracast and is executed via a direct wireless connection with the first device, and

wherein the information is compliant with Wi-Fi Display specification and includes device role information, port information for a protocol associated with the second application and content protection compatibility information.

2. The wireless communication device according to claim 1, wherein the designation of the second application is based on a user operation after the wireless connection is established.

3. The wireless communication device according to claim 1,

wherein the transmission of the first signal is based on a reception of a second signal through the established wireless connection from the first device, and

wherein the second signal includes the information for the designation of the first application.

4. The wireless communication device according to claim 1, wherein the circuitry is further configured to transmit a vendor specific action frame specified in an IEEE (Institute of Electrical and Electronics Engineers) 802.11 specification as the first signal, which includes the information for the designation of the second application.

5. The wireless communication device according to claim 4,

wherein the circuitry is further configured to transmit a request frame as the vendor specific action frame, the request frame comprises a vendor specific Information Element, and

wherein the vendor specific Information Element includes information for identification of the second application to be started and information to specify a role of the wireless communication device that transmits the request frame to play in the second application.

6. The wireless communication device according to claim 4,

wherein a control unit, at the first device, transmits a response frame as the vendor specific action frame, the response frame comprises a vendor specific Information Element, and

wherein the vendor specific Information Element includes information for identification of the second application to be started and information to specify a role of the first device that transmits the response frame based on a request frame to play in the second application.

7. The wireless communication device according to claim 4,

wherein the circuitry is further configured to:

encapsulate an association request frame body into the vendor specific action frame, and

transmit the vendor specific action frame, and

wherein the association request frame body comprises a vendor specific Information Element, which includes information for identification of the second application to be started and information to specify a role of the wireless communication device that transmits a request frame to play in the second application.

8. The wireless communication device according to claim 4,

wherein the circuitry is further configured to:

encapsulate an association response frame body into the vendor specific action frame; and

transmit the vendor specific action frame,

wherein the association response frame body comprises a vendor specific Information Element, which includes information for identification of the second application to be started and information to specify a role of the wireless communication device that transmits a response frame based on a request frame to play in the second application.

9. The wireless communication device according to claim 1, wherein the circuitry is further configured to transmit an encrypted frame as the first signal.

10. The wireless communication device according to claim 1,

wherein the circuitry is further configured to discover the first device by transmission/reception of one of a Probe Request or a Probe Response specified in an IEEE (Institute of Electrical and Electronics Engineers) 802.11 specification, and

wherein one of the Probe Request or the Probe Response comprises information which indicates an associated specific application.

11. The wireless communication device according to claim 1, wherein the wireless communication device is compliant with an IEEE (Institute of Electrical and Electronics Engineers) 802.11 specification to enable P2P (Peer to Peer) connections.

12. The wireless communication device according to claim 1, wherein the wireless communication device is a mobile phone.

13. The wireless communication device according to claim 12, wherein the wireless communication device further configured to execute the Wi-Fi certified Miracast as a source device.

14. A wireless communication device, comprising:

circuitry configured to;

discover a first device by execution of a discovery process on the wireless communication device before a wireless connection is established,

establish the wireless connection in a data link layer (L2) with the first device based on a designation of a first application;

receive content data from the first device based on the first application;

receive, from the first device, a first signal that include information for a designation of a second application;

wherein the first signal is received such that the established wireless connection is maintained;

receive image data, from the first device, based on the execution of the second application,

wherein the image data is associated with the image displayed at the first device; and

display the image based on the image data while an image is displayed at the first device,

wherein the second application is executed while the first application is performed,

wherein the second application corresponds to Wi-Fi certified Miracast and is executed via a direct wireless connection with first device, and

wherein the information is compliant with Wi-Fi Display specification and includes device role information, port information for a protocol associated with the second application and content protection compatibility information.

15. The wireless communication device according to claim 14, wherein the wireless communication device is a Television (TV).

16. The wireless communication device according to claim 15, wherein the wireless communication device is further configured to execute the Wi-Fi certified Miracast as a sink device.

17. A communication method, comprising:

in a wireless communication device;

establishing a wireless connection in a data link layer (L2) with a first device based on a designation of a first application;

transmitting content data to the first device based on the first application;

designating a second application based on a transmission of a first signal,

wherein the first signal includes information for the designation of the second application, and

wherein the first signal is transmitted such that the established wireless connection is maintained;

displaying an image based on the content data;

executing the second application; and

transmitting image data, associated with the displayed image, to the first device based on the execution of the second application,

wherein the second application is executed while the first application is performed,

wherein the first device displays the image based on the image data while the image is displayed at the wireless communication device,

wherein the second application corresponds to Wi-Fi certified Miracast and is executed via a direct wireless connection with the first device, and

wherein the information is compliant with Wi-Fi Display specification and includes device role information, port information for a protocol associated with the second application and content protection compatibility information.

18. A non-transitory computer-readable medium having stored thereon computer-executable instructions that, when executed by a wireless communication device, cause the wireless communication device to execute operations, the operations comprising:

establishing a wireless connection in a data link layer (L2) with a first device based on designation of a first application;

transmitting content data to the first device based on the first application;

designating a second application based on a transmission of a first signal,

wherein the first signal includes information for the designation of the second application, and

wherein the first signal is transmitted such that the established wireless connection is maintained;

displaying an image based on the content data;

executing the second application; and

transmitting image data, associated with the displayed image, to the first device based on the execution of the second application,

wherein the second application is executed while the first application is performed,

wherein the first device displays the image based on the image data while the image is displayed at the wireless communication device,

wherein the second application corresponds to Wi-Fi certified Miracast and is executed via a direct wireless connection with the first device, and

wherein the information is compliant with Wi-Fi Display specification and includes device role information, port information for a protocol associated with the second application and content protection compatibility information.