INFORMATION PROCESSING DEVICE AND INFORMATION PROCESSING METHOD

• US 20160173939A1
• Filed: 08/18/2014
• Published: 06/16/2016
• Est. Priority Date: 09/05/2013
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: IWAMI, HIDEKI, YAMAURA, TOMOYA, YOSHIMURA, OSAMU
• Granted Patent: US 10,547,897 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04L 12/2814 Exchanging control software or macros for controlling appliance services in a home automation network arrangements for maintenance or administration involving configuration of the network and network elements H04L41/08
• CPC Class Codes: H04L 12/2816 Controlling appliance services of a home automation network by calling their functionalities arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station; in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom H04Q9/00
• CPC Class Codes: H04L 12/2821 Avoiding conflicts related to the use of home appliances cryptographic protocols H04L9/00; protocols for network security H04L63/00
• CPC Class Codes: H04L 2463/101 applying security measures for digital rights management data processing systems or methods, specially adapted for commerce, e.g. marketing, shopping, billing, auctions or e-commerce G06Q30/00
• CPC Class Codes: H04L 69/22 Parsing or analysis of headers
• CPC Class Codes: H04N 21/41265 having a remote control device for bidirectional communication between the remote control device and client device unidirectional remote control device H04N21/42204
• CPC Class Codes: H04N 21/414 Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
• CPC Class Codes: H04N 21/42206 characterized by hardware details
• CPC Class Codes: H04N 21/42607 for processing the incoming bitstream
• CPC Class Codes: H04N 21/431 Generation of visual interfaces for content selection or interaction; Content or additional data rendering
• CPC Class Codes: H04N 21/43637 involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11] arrangements for wireless networking or broadcasting of information in indoor or near-field type systems H04B10/114
• CPC Class Codes: H04W 12/041 Key generation or derivation
• CPC Class Codes: H04W 12/0431 Key distribution or pre-distribution; Key agreement
• CPC Class Codes: H04W 52/0235 where the received signal is a power saving command
• CPC Class Codes: H04W 52/0261 managing power supply demand, e.g. depending on battery level
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

To be able to appropriately control data communication between a plurality of information processing devices using wireless communication.

An information precessing device receives a stream for outputting image information from another information processing device by using wireless communication, the information processing device including a wireless communication unit and a control unit. The wireless communication unit performs communication to exchange capability information regarding the information processing device and capability information regarding the other information processing device with the other information processing device. The control unit performs control in a manner that multi-reception diversity of the stream related to the other information processing device is set based on the capability information regarding the other information processing device and a use of the information processing device.

Claims

1. An information processing device that receives a stream for outputting image information from another information processing device by using wireless communication, the information processing device comprising:

a wireless communication unit configured to pet harm communication to exchange capability information regarding the information processing, device and capability information regarding the other information processing device with the other information processing device; and

a control unit configured to perform control in a manner that multi-reception diversity of the stream related to the other information processing device is set based on the capability information regarding the other information procession device and a use of the information processing device.

2. The information processing device according to claim 1,

wherein the wireless communication unit includes a plurality of reception units configured to perform reception using the multi-reception diversity, and

wherein, when the other information processing device transmits the stream by using the multi-reception diversity, the control unit performs control in a manner that either of a first operation of simultaneously transmitting the stream to the plurality of reception units and a second operation of sequentially transmitting the stream to each reception unit while switching the plurality of reception units is performed.

3. The information processing device according to claim 1,

wherein the wireless communication unit includes a plurality of reception units configured to perform reception using the multi-reception diversity, and.

wherein, when the other information processing device transmits the stream by using the multi-reception diversity, the control unit performs control in a manner that either of a first operation of setting identification information the identifying a device performing communication with the information processing device by using wireless communication in each of a plurality of links related to the plurality of reception units and a second operation of setting the identification information as only one piece of identification information irrespective of the number of links is performed.

4. The information processing device according to claim 3,

wherein the control unit performs control in a manner that different content protection is set between the first and second operations.

5. The information processing device according to claim 1,

wherein the capability information includes information indicating whether a device is a mobile device.

6. The information processing device according to claim 1,

wherein the capability information includes information indicating whether the use of the information processing device is changed.

7. The information processing device according to claim 1,

wherein the capability information includes information indicating whether a multi-reception diversity function is included.

8. The information processing device according to claim 1, wherein the control unit performs control in a manner that stop of transmission or intermittent transmission of the stream is performed when a low power-consumption mode is set.

9. The information processing device according to claim 1.

wherein the control unit performs control in a manner that a physical layer to be used is designated from a transport layer.

10. The information processing device according to claim 1,

wherein the control unit receives physical link switch information and performs control in a manner that AVC/HEVC starts hem an I frame.

11. The information processing device according to claim 1,

wherein the control unit performs control in a manner that an HDCP setting method is selected based on management information regarding the other information processing device.

12. An information processing device that receives a stream for outputting image information from another information processing device by using multi-reception diversity, the information processing device comprising:

a wireless communication unit configured to perform communication to exchange capability information regarding the information processing device and capability information regarding the other information processing device with the other information processing device; and

a control unit configured to perform control in a manner that content protection of the stream related to the other information processing device is set based on the capability information regarding the other information processing device and a use of the information processing device.

13. The information processing device according to claim 12,

wherein, when versions of the content protection used for each of a plurality of frequency channels used to transmit the stream by using the multi-reception diversity are different, the control unit performs control in a manner that the content protection related to the low version among the versions is set.

14. An information processing device that transmits a stream for outputting image information to another information processing device by using multi-reception diversity, the information processing device comprising:

a wireless communication unit configured to perform communication to exchange capability information regarding the information processing device and capability information regarding the other information processing device with the other information processing device by using a plurality of frequency channels; and

a control unit configured to perform transmission control of the stream related to the other information processing device based on control performed from the other information processing device based on the capability information regarding the information processing device and a use of the other information processing device, and perform control in a manner that a higher layer than a layer related to IP packet generation is notified of information regarding the frequency channel used to transmit the stream among the plurality of frequency channels.

15. An information processing device that transmits a stream for outputting image information to another information processing device by using, multi-reception diversity, the information processing device comprising:

a wireless communication unit configured to perform communication to exchange capability information regarding the information processing device and capability information regarding the other information processing device with the other information processing device by using a plurality of frequency channels; and

a control unit configured to perform transmission control of the stream related to the other information processing device based on control performed from the other information processing device based on the capability information regarding the information processing device and a use of the other information processing device, and perform control in a manner that setting information regarding setting of the frequency channel used to transmit the stream is written on a TOP field of an IP header of an IP packet.

16. An information processing device that transmits stream for outputting image information to another information processing device by using wireless communication, the information processing device comprising:

a wireless communication unit configured to perform communication to exchange capability information regarding the information processing device and capability information regarding the other information processing device with the other information processing device; and

a control unit configured to perform control in a manner that multi-reception diversity of the stream related to the other information processing device is set based on control performed from the other information processing device based on the capability information regarding the information processing device and a use of the other information processing device.

17. The information processing device according to claim 16,

wherein the control unit does not retry re-authentication and locality check when, in an environment in which a plurality of physical layers are switched and used, an IP layer to be used is common and the physical layers are switched.

18. The information processing device according to claim 16,

wherein the control unit sets a transmission side device key and a reception side device key to one key when HDCP is separately performed on two kinds of streams in an environment in which the plurality of physical layers are switched and used.

19. An information processing device that receives a stream for outputting image information from another information processing device by using wireless communication, the information processing device comprising;

a wireless communication runt configured to perform communication to exchange capability information regarding the information processing device and capability information regarding the other information processing device with the other information processing device; and

a control unit configured to perform control in a manner that multi-reception of the stream related to the other information processing device is set based on the capability information regarding the other information processing device and a use of the information processing device.

20. An information processing method of receiving a stream for outputting image information from another information processing device by using wireless communication, the information processing method comprising:

a wireless communication procedure of performing communication to exchange capability information regarding information processing device and capability information regarding the other inibrmation processing device with the other information processing device; and

a control procedure of performing control in a manner that multi-reception diversity of the stream related to the other information processing device is set based on the capability information regarding the other information processing device and a use of the information processing device.