WO2013153886A1 - 無線通信装置、通信システムおよび通信方法 - Google Patents
無線通信装置、通信システムおよび通信方法 Download PDFInfo
- Publication number
- WO2013153886A1 WO2013153886A1 PCT/JP2013/056322 JP2013056322W WO2013153886A1 WO 2013153886 A1 WO2013153886 A1 WO 2013153886A1 JP 2013056322 W JP2013056322 W JP 2013056322W WO 2013153886 A1 WO2013153886 A1 WO 2013153886A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- specific application
- wireless communication
- information
- information element
- connection
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/321—Interlayer communication protocols or service data unit [SDU] definitions; Interfaces between layers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
- H04W4/21—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel for social networking applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0287—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level changing the clock frequency of a controller in the equipment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/22—Manipulation of transport tunnels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/06—Details of telephonic subscriber devices including a wireless LAN interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- This technology relates to a wireless communication device.
- the present invention relates to a wireless communication apparatus, a communication system, and a communication method for exchanging various types of information using wireless communication.
- wireless communication devices that perform wireless communication using a wireless LAN (Local Area Network) have become widespread.
- a wireless LAN represented by IEEE (Institute of Electrical and Electronics Electronics) 802.11 is widely used.
- a plurality of wireless communication devices are connected wirelessly and various applications are executed between these wireless communication devices.
- an application is designated by a user operation before or after establishment of a wireless connection.
- This technology has been created in view of such a situation, and aims to easily use an application desired by a user.
- the present technology has been made to solve the above-described problems, and the first aspect of the present technology was discovered by executing the connected device discovery process before establishing the wireless connection and by the connected device discovery process.
- Communication that executes establishment processing for establishing the wireless connection by transmitting / receiving data including an information element for designating the specific application when it is detected that the connected device corresponds to the specific application If the specific application is specified after establishing the wireless connection in the case where the specific application is not specified at the time of the establishing process, the information element without disconnecting the wireless connection.
- a control unit that performs control for transmitting and receiving data including information corresponding to the above and designating the specific application. Is a program for executing location and the communication method and the method in a computer.
- control unit specifies the specific application by a user operation after establishing the wireless connection when the specific application is not specified in the establishment process.
- control for designating the specific application may be performed by transmitting data including information corresponding to the information element without disconnecting the wireless connection.
- the control unit when the specific application is not designated at the time of the establishment process, from the wireless communication device that is wirelessly connected after establishing the wireless connection.
- the data including information corresponding to the information element is wirelessly connected as a response to the received data without disconnecting the wireless connection.
- information corresponding to an information element for designating a specific application is obtained from the wireless communication device that is wirelessly connected after establishing the wireless connection.
- the data including the information corresponding to the information element is transmitted to the wireless communication apparatus connected to the wireless communication as a response to the received data without disconnecting the wireless connection. This has the effect of specifying a specific application.
- control unit may transmit / receive a vendor specific action frame defined in the IEEE 802.11 specification as data including information corresponding to the information element.
- vendor specific action frame defined in the IEEE 802.11 specification is transmitted and received as data including information corresponding to an information element for designating a specific application.
- control unit specifies information for specifying the specific application to be started and a role to be played by the wireless communication device that transmits a request frame in the specific application.
- the request frame that uses the vendor specific information element as the information element including the information to be transmitted may be transmitted as the vendor specific action frame.
- a request frame that uses a vendor specific information element as an information element is transmitted as a vendor specific action frame.
- the control unit plays a role to be played by a wireless communication device that transmits information for specifying the specific application to be started and a response frame for a request frame within the specific application.
- the response frame that uses the vendor specific information element as the information element including the information for specifying the information may be transmitted as the vendor specific action frame.
- a response frame that uses a vendor specific information element as an information element is transmitted as a vendor specific action frame.
- the control unit specifies information for specifying the specific application to be started and a role to be played by the wireless communication device that transmits a request frame in the specific application.
- Vendor specific Information Element may be used as the information element including the information to be transmitted, and the association request frame body including the information element may be encapsulated in the vendor specific action frame and transmitted.
- the vendor specific information element is used as the information element, and the association request frame body including the information element is encapsulated in the vendor specific action frame and transmitted.
- the control unit plays a role to be played by a wireless communication device that transmits information for specifying the specific application to be started and a response frame for a request frame within the specific application.
- Vendor specific information element is used as the information element including the information for specifying the information
- the association response frame body including the information element may be encapsulated in the vendor specific action frame and transmitted.
- the vendor specific information element is used as the information element
- the association response frame body including the information element is encapsulated in the vendor specific action frame and transmitted.
- control unit may transmit and receive an encrypted frame as data including information corresponding to the information element.
- the encrypted frame is transmitted and received as data including information corresponding to the information element.
- the communication unit may establish a connection at the second layer as the wireless connection. This brings about the effect
- the communication unit adds information indicating a specific application corresponding to the Probe Request or the Probe Response defined in the IEEE 802.11 specification as the connected device discovery process. You may make it perform the process which transmits / receives.
- the connected device discovery process has an effect of executing a process of adding and transmitting information indicating a specific application corresponding to a Probe Request or a Probe Response defined in the IEEE 802.11 specification.
- the wireless communication device may be a wireless communication device compliant with the IEEE802.11 specification that enables P2P (Peer to Peer) connection.
- P2P Peer to Peer
- the wireless communication apparatus includes a first wireless communication device and a second wireless communication device that perform transmission and reception of data including an information element for designating the specific application to establish the wireless connection.
- the first wireless communication device and the second wireless communication device may be configured such that when the specific application is specified after establishing the wireless connection in the case where the specific application is not specified in the establishment process. Without sending off the wireless connection, data including information corresponding to the information element is transmitted / received to / from the specific application.
- a communication system and a program for executing the communication method and the method in the computer to specify the ® down As a result, when a specific application is specified after establishing a wireless connection when a specific application is not specified during the establishment process, the specific application is specified without disconnecting the wireless connection. This brings about the effect that data including information corresponding to the information element is transmitted and received to designate a specific application.
- FIG. 6 is a flowchart illustrating an example of a processing procedure of communication processing by the first wireless communication device 100 according to an embodiment of the present technology.
- 6 is a flowchart illustrating an example of a processing procedure of communication processing by the first wireless communication device 100 according to an embodiment of the present technology.
- 6 is a flowchart illustrating an example of a processing procedure of communication processing by the first wireless communication device 100 according to an embodiment of the present technology.
- Embodiment communication control: an example in which a specific application used after connection in the second layer is specified without disconnecting the connection in the second layer
- FIG. 1 is a diagram illustrating a configuration example of a communication system 10 according to an embodiment of the present technology.
- the communication system 10 includes a first wireless communication device 100, a second wireless communication device 200, a third wireless communication device 300, and a fourth wireless communication device 400.
- the first wireless communication device 100, the second wireless communication device 200, the third wireless communication device 300, and the fourth wireless communication device 400 have a wireless communication function, and connect to each other using wireless communication to transmit and receive various information.
- a wireless communication device capable of Each of these wireless communication devices is a wireless communication device compliant with the IEEE (Institute of Electrical and Electronics Electronics) 802.11 specification that enables P2P (Peer to Peer) connection. That is, each of these wireless communication devices forms a communication group and can directly communicate without going through an access point (not shown). In this case, which wireless communication device operates as a parent device and which wireless communication device device operates as a child device may be determined at the time of manufacture of each wireless communication device, or determined at the time of manufacture. It does not have to be.
- the first wireless communication device 100 and the second wireless communication device 200 form a communication group, the first wireless communication device 100 directly transmits data (for example, moving image content) to the second wireless communication device 200. be able to.
- the video content stored in the first wireless communication device 100 can be displayed on the second wireless communication device 200 by connecting to each other using wireless communication.
- Wi-Fi Direct Direct is known as an example of a communication standard for direct communication between wireless communication devices.
- the first wireless communication device 100 is, for example, a mobile phone device (for example, a wireless communication device having a call function and a data communication function).
- the second wireless communication device 200 is, for example, a video viewing device (for example, a hard disk built-in television) that records or displays moving image content.
- the third wireless communication apparatus 300 is, for example, an information processing apparatus (for example, a notebook PC (Personal Computer)) that performs various types of information processing.
- the fourth wireless communication device 400 is, for example, a portable information processing device (for example, a smartphone having a call function and a data communication function).
- the first wireless communication device 100, the second wireless communication device 200, the third wireless communication device 300, and the fourth wireless communication device 400 connect to an access point (not shown) using wireless communication and various information. Can be sent and received.
- the access point is an access point corresponding to a wireless LAN system such as IEEE802.11a / b / g / n, for example. That is, a wireless LAN standardized by IEEE802.11a / b / g / n is realized by a router and an access point (for example, a product incorporating an access point in the router).
- Data communicated between a plurality of wireless communication devices includes, for example, music data such as music and radio programs, movies, television programs, video programs, pictures, documents, pictures, image data such as diagrams, game data, and the like Data such as software.
- the wireless communication apparatus shown in FIG. 1 is an example, and the present invention can be applied to other wireless communication apparatuses.
- the present invention may be applied to an imaging device (for example, a digital still camera, a digital video camera (for example, a camera-integrated recorder)) having a wireless communication function, and an audio output device (for example, a portable music player) having a wireless communication function.
- an imaging device for example, a digital still camera, a digital video camera (for example, a camera-integrated recorder)
- an audio output device for example, a portable music player
- the present invention can be applied to a display device (for example, a digital photo frame) having a wireless communication function and an electronic book display device having a wireless communication function.
- the present invention can be applied to other information processing apparatuses having a wireless communication function.
- Information processing devices having a wireless communication function include, for example, home video processing devices (DVD recorders, VCRs, etc.), PDAs (Personal Digital Assistants), home game devices, home appliances, portable video processing devices, and portable games. Equipment.
- the present invention can also be applied to an information processing apparatus (for example, a personal computer that does not have a wireless communication function) capable of performing wireless communication by mounting a wireless communication device having a wireless communication function.
- FIG. 2 is a block diagram illustrating a functional configuration example of the first wireless communication device 100 according to the embodiment of the present technology.
- the functional configurations (functional configurations related to wireless communication) of the second wireless communication device 200, the third wireless communication device 300, and the fourth wireless communication device 400 are substantially the same as those of the first wireless communication device 100. The description of is omitted. In the following description, each part of each wireless communication device other than the first wireless communication device 100 will be described using the same reference numerals as those of the first wireless communication device 100.
- the first wireless communication apparatus 100 includes an antenna 101, a data processing unit 110, a transmission processing unit 120, a wireless interface unit 130, a control unit 140, a memory 150, an operation reception unit 160, and a display unit 170. Prepare.
- the data processing unit 110 processes various data based on the control of the control unit 140. For example, when performing a transmission operation, the data processing unit 110 creates various data frames and data packets in response to a request from an upper layer and supplies them to the transmission processing unit 120. For example, when performing a receiving operation, the data processing unit 110 processes and analyzes various data frames and data packets supplied from the transmission processing unit 120.
- the transmission processing unit 120 performs various transmission processes based on the control of the control unit 140. For example, when performing a transmission operation, the transmission processing unit 120 performs processing such as adding various data headers and error detection codes such as FCS (Frame Check Sequence) to the packet generated by the data processing unit 110. . Then, the transmission processing unit 120 supplies the processed data to the wireless interface unit 130. For example, when performing a reception operation, the transmission processing unit 120 analyzes headers added to various data frames supplied from the wireless interface unit 130. When the transmission processing unit 120 confirms that the data frame has no error based on the error detection code, the transmission processing unit 120 supplies various data frames to the data processing unit 110.
- processing such as adding various data headers and error detection codes such as FCS (Frame Check Sequence) to the packet generated by the data processing unit 110. . Then, the transmission processing unit 120 supplies the processed data to the wireless interface unit 130. For example, when performing a reception operation, the transmission processing unit 120 analyzes headers added to various data frames supplied from the wireless interface unit 130
- the wireless interface unit 130 is an interface for transmitting and receiving various information by connecting to other wireless communication devices. For example, when performing a transmission operation, the wireless interface unit 130 generates a modulated signal in a carrier frequency band from the data received from the transmission processing unit 120 and transmits the generated modulated signal as a wireless signal from the antenna 101. Let For example, when performing a reception operation, the wireless interface unit 130 down-converts a wireless signal received by the antenna 101 and converts it into a bit string, thereby decoding various data frames.
- the data processing unit 110, the transmission processing unit 120, and the wireless interface unit 130 function as the communication unit 102.
- the communication unit 102 executes a connected device discovery process before establishing a wireless connection (connection at the second layer).
- This connected device discovery process is, for example, device discovery.
- This device discovery is performed by adding and transmitting device information and information indicating a specific application corresponding to Probe Request or Probe Response defined in the IEEE 802.11 specification.
- the communication unit 102 executes an establishment process (establishment process for establishing a connection in the second layer) for establishing a wireless connection.
- an establishment process (establishment process for establishing a connection in the second layer) for establishing a wireless connection.
- the communication unit 102 specifies an information element for designating the specific application (shown in FIG. 7). ) Is transmitted and received, and the establishment process is executed.
- the control unit 140 controls the reception operation and the transmission operation of each of the data processing unit 110, the transmission processing unit 120, and the wireless interface unit 130. For example, the control unit 140 performs operations such as determination of a use frequency, creation of a control message, a transmission command, and interpretation of the control message.
- the control message is broadcast information such as a beacon, a beacon reception response, a probe request, and a probe response. The details of the control executed by the control unit 140 will be described in detail with reference to FIGS.
- the memory 150 has a role as a work area for data processing by the control unit 140 and a function as a storage medium for holding various data.
- various information for example, information elements shown in FIGS. 10 to 12
- various information to be included in the data transmitted to the wireless communication apparatus of the connection partner is recorded in the memory 150.
- the connection partner list 180 shown in FIG. 3 is recorded in the memory 150.
- a storage medium such as a nonvolatile memory, a magnetic disk, an optical disk, or an MO (MagnetoeOptical) disk can be used.
- EEPROM Electrical Erasable Programmable Read-Only Memory
- EPROM Erasable Programmable ROM
- the magnetic disk for example, a hard disk or a disk type magnetic disk can be used.
- the optical disc for example, a CD (Compact Disc), a DVD-R (Digital Versatile Disc Recordable), or a BD (Blu-Ray Disc (registered trademark)) can be used.
- the operation accepting unit 160 is an operation accepting unit that accepts an operation input operated by the user, and outputs operation information corresponding to the accepted operation input to the control unit 140.
- the operation reception unit 160 for example, a mouse, a keyboard, a touch panel, a button, a microphone, a switch, and a lever can be used.
- the operation receiving unit 160 receives an operation for transmitting / receiving various data to / from other wireless communication devices.
- the display unit 170 is a display unit that displays various types of information (such as character information and time information) based on the control of the control unit 140.
- the display unit 170 displays, for example, each piece of information (for example, the display screen shown in FIG. 4) for transmitting / receiving various data to / from other wireless communication devices.
- a display panel such as an organic EL (Electro Luminescence) panel or an LCD (Liquid Crystal Display) panel can be used.
- the operation receiving unit 160 and the display unit 170 can be integrally configured using a touch panel that allows a user to input an operation by touching or approaching the finger with the display surface.
- FIG. 3 is a diagram schematically illustrating a configuration example of the connection partner list 180 held in the memory 150 according to the embodiment of the present technology.
- the connection partner list 180 includes terminal identification information 181, MAC (Media Access Control Address) address 182, terminal type 183, and specific application correspondence 184. These pieces of information are acquired from each wireless communication device by executing Device Discovery or the like, and are sequentially recorded by the control unit 140.
- MAC Media Access Control Address
- the terminal identification information 181 is identification information (for example, a device unique ID) for identifying each wireless communication device.
- terminal identification information is represented by “AAAA”, “BBBB”, “CCCC”, and the name of the corresponding wireless communication device is represented in parentheses.
- the MAC address 182 is a physical address that is uniquely assigned to each wireless communication device.
- the terminal type 183 is information indicating the type of each wireless communication device.
- the specific application correspondence 184 is information indicating whether each wireless communication apparatus supports a specific application (specific application).
- a wireless communication apparatus corresponding to a specific application is represented by “present”, and the name of the corresponding specific application is illustrated in parentheses.
- a wireless communication device that does not support a specific application is represented as “none”.
- FIG. 4 is a diagram illustrating a display screen example (connection content selection screen 190) displayed on the display unit 170 of the first wireless communication device 100 according to the embodiment of the present technology.
- connection content selection screen 190 includes use application selection buttons 191 to 195, a cancel button 196, and an OK button 197.
- Use application selection buttons 191 to 195 are buttons for selecting a wireless communication device to be a connection partner and an application to be used by connection with the wireless communication device. Use application selection buttons 191 to 195 are displayed based on, for example, the contents of the connection partner list 180 shown in FIG. 3 (for example, terminal identification information 181 and specific application correspondence 184).
- the control unit 140 performs control for executing an application corresponding to the pressed button.
- the cancel button 196 is pressed.
- FIG. 5 and FIG. 6 an example (FIG. 5 and FIG. 6) of wireless packet transmission / reception until establishing a P2P (Peer-to-Peer) connection and operating a specific application is shown.
- P2P Peer-to-Peer
- FIG. 8 an example (FIG. 8) of wireless packet transmission / reception from the time when a specific application to be used is specified until the P2P connection is established and the specific application is operated before connection at the second layer is shown.
- FIG. 9 an example (FIG. 9) of wireless packet transmission / reception when a specific application is started after connection in the second layer is shown. Show.
- FIG. 5 and FIG. 6 are sequence charts showing examples of communication processing performed by each device serving as the basis of the present technology. Specifically, an example of a procedure for establishing a direct connection up to a connection according to the Wi-Fi Direct (Direct) standard (sometimes referred to as Wi-Fi P2P) standardized in the Wi-Fi Alliance is shown.
- Direction Wi-Fi Direct
- Wi-Fi P2P Wi-Fi P2P
- Wi-Fi Direct a plurality of wireless communication devices detect each other's presence (Device Discovery, Service Discovery). When a connected device is selected, direct connection is established between the selected devices by performing device authentication using WPS (Wi-Fi Protected Setup).
- WPS Wi-Fi Protected Setup
- a communication group is formed by determining whether a plurality of wireless communication devices play a role as a parent device (Group Owner) or a child device (Client).
- 5 and 6 show examples of communication processing between the first wireless communication device 100 and the second wireless communication device 200, but the same applies to communication processing between other wireless communication devices.
- Device Discovery is performed between the first wireless communication device 100 and the second wireless communication device 200 (501).
- the first wireless communication device 100 transmits a Probe request (response request signal) and receives a Probe response (response signal) for the Probe request from the second wireless communication device 200.
- wireless communication apparatus 200 can discover each other's presence.
- the device name and type (TV, PC, smartphone, etc.) of the other party can be acquired by Device Discovery.
- Service Discovery is performed between the first wireless communication device 100 and the second wireless communication device 200 (502).
- the first wireless communication device 100 transmits a Service Discovery Query that inquires about a service that is supported by the second wireless communication device 200 discovered by Device Discovery.
- the first wireless communication device 100 receives a Service Discovery Response from the second wireless communication device 200, thereby acquiring a service supported by the second wireless communication device 200.
- a service or the like that can be executed by the other party can be acquired by using Service Discovery.
- Services that can be executed by the other party are, for example, service and protocol (DLNA (Digital Living Network Alliance), DMR (Digital Media Renderer), etc.).
- DLNA Digital Living Network Alliance
- DMR Digital Media Renderer
- connection partner selection operation (connection partner selection operation) is performed by the user (503).
- This connection partner selection operation may occur only in one of the first wireless communication device 100 and the second wireless communication device 200.
- a connection partner selection screen is displayed on the display unit 170 of the first wireless communication device 100, and the second wireless communication device 200 is selected as a connection partner on the connection partner selection screen by a user operation.
- Group Owner Negotiation is performed between the first wireless communication device 100 and the second wireless communication device 200 (504).
- 5 and 6 show an example in which the first wireless communication device 100 becomes the group owner (Group (Owner) 505 and the second wireless communication device 200 becomes the client (Client) 506 based on the result of Group Owner Negotiation.
- the direct connection is established by performing each processing (507 to 510) between the first wireless communication apparatus 100 and the second wireless communication apparatus 200. That is, Association (L2 (second layer) link establishment) (507) and Secure link establishment (508) are sequentially performed. Moreover, L4 setup (510) on L3 by IP Address Assignment (509), SSDP (Simple Service Discovery) Protocol, etc. is sequentially performed.
- a specific application is designated or activated by the user (application designation / activation operation) (511).
- This application designation / activation operation may occur only in one of the first wireless communication device 100 and the second wireless communication device 200.
- an application designation / startup operation screen (for example, a connection content selection screen 190 shown in FIG. 4) is displayed on the display unit 170 of the first wireless communication apparatus 100, and a specific application is operated by a user operation on the application designation / startup operation screen. Is selected.
- Wi-Fi Direct can acquire connection partner information when searching for a connection candidate partner in Device discovery or Service Discovery (option).
- the information of the connection partner is, for example, a basic device type, a corresponding specific application, or the like. And based on the acquired information of a connection other party, a user can be made to select a connection other party.
- This mechanism can be expanded to realize a wireless communication system in which a specific application is specified before connection at the second layer, a connection partner is selected, and the specific application is automatically started after this selection. Is possible.
- An example of the sequence leading to the connection in such a case is shown in FIG.
- FIG. 7 shows a configuration example of a frame format (frame format) transmitted and received in this communication process.
- FIG. 7 is a diagram schematically illustrating a configuration example of a frame format transmitted and received in communication processing by each device that is the basis of the present technology. That is, FIG. 7 shows a configuration example of a MAC frame for establishing a connection in the second layer. Specifically, it is an example of the frame format of Association Request / Response (527) for realizing the sequence shown in FIG.
- Frame Control (601) to Sequence Control (606) is a MAC header.
- the MAC frame shown in FIG. 7 is basically an Association Request / Response frame format described in sections 7.2.3.4 and 7.2.3.5 of the IEEE 802.11-2007 specification. is there. However, the difference is that not only the Information Element (hereinafter abbreviated as IE) defined in the IEEE 802.11 specification, but also an IE that has been independently extended.
- IE Information Element
- 127 is set as a decimal number in the IE Type (Information Element ID (611)).
- the length field (612) and the OUI field (613) are followed by the vendor specific content (614) according to the IEEE 802.11-2007 specification section 7.3.2.26.
- IE type (615) As the content of the vendor specific content (614), a field (IE type (615)) indicating the type of the vendor specific IE is first provided. Then, after this, it is conceivable that a plurality of subelements (616) can be stored.
- the contents of the subelement (616) include the name (617) of a specific application to be used and the role of the device (618) when the specific application is operating.
- information such as a port number used for control of a specific application (information for L4 setup) (619) and information on Capability (Capability information) in the specific application may be included.
- the capability information is information for specifying, for example, the case where the specific application to be specified is DLNA, which is compatible with audio transmission / reproduction, video transmission / reproduction, and the like.
- FIG. 8 is a sequence chart illustrating an example of communication processing performed by each device serving as the basis of the present technology.
- FIG. 8 shows an example of communication processing in the case where a specific application is specified before connection in the second layer, a connection partner is selected, and the specific application is automatically activated after this selection. Note that the sequence chart shown in FIG. 8 is a modified example in which a part of FIG. 5 and FIG. 6 is modified, and thus a part of the description of the part common to FIG. 5 and FIG. 6 is omitted.
- Device Discovery is performed between the first wireless communication device 100 and the second wireless communication device 200 (521).
- the vendor specific IE (610) shown in FIG. 7 can be included.
- the device discovery stage it is possible to acquire capability information such as that the device corresponds to a specific application (specific application) and the role that the device can play when the specific application is operated. it can.
- the role that the device can play when the specific application is operated is, for example, server / client, master / slave, source / sink, or the like.
- Service Discovery is performed between the first wireless communication device 100 and the second wireless communication device 200 (522).
- each process (523, 524) shown in FIG. 8 corresponds to each process (503, 504) shown in FIG.
- each process (527 to 529) is performed between the first wireless communication apparatus 100 and the second wireless communication apparatus 200, thereby establishing a direct connection.
- the frame (MAC frame) shown in FIG. 7 is transmitted / received as Association Request / Response. For this reason, it is possible to designate a specific application to be used after connection in the second layer in the step (527) of packet exchange (Association Request / Response) for establishing a connection in the second layer. In that stage (527), it is possible to include information necessary for using the specific application.
- the application to be used can be automatically determined by the difference from the example shown in FIG. 5 and FIG. 6 at the packet exchange stage (527) for establishing the connection in the second layer.
- One step can be saved.
- the stage of L4 setup (510) on L3 by SSDP or the like can be omitted. For this reason, as a user experience, the time taken to start the application can be shortened.
- FIG. 9 is a sequence chart illustrating an example of communication processing performed by each device serving as the basis of the present technology.
- FIG. 9 shows an example of communication processing when a specific application is activated using the mechanism shown in FIG. 8 after connection in the second layer.
- FIG. 9 the sequence chart shown in FIG. 9 is an example in which FIGS. 5, 6, and 8 are combined, and therefore a part of the description of the parts common to FIGS. 5, 6, and 8 is omitted.
- each process (501 to 512) shown in FIGS. 5 and 6 is performed.
- the processing surrounded by the rectangle 543 is to perform each processing (521 to 531) shown in FIG.
- FIG. 10 is a diagram schematically illustrating a configuration example of a frame format transmitted / received in the communication processing between the devices according to the embodiment of the present technology. That is, FIG. 10 shows a configuration example of an action frame that triggers activation of a specific application (specific application activation) after connection in the second layer. Specifically, a structure example of a vendor specific action frame at the MAC layer level is shown.
- the vendor specific action frame is the action frame including the vendor specific IE.
- this action frame is a vendor specific one.
- the OUI field (640) and the Vendor Specific Content field (641) follow in accordance with section 7.4.5 of the IEEE 802.11-2007 specification.
- each information is, for example, the name of a specific application to be used and the role of the device when the specific application is operating.
- Each information is, for example, information such as a specific application or a port number used for control of the specific application (information for L4 setup), and capability information in the specific application.
- FIG. 11 is a diagram schematically illustrating a configuration example of a frame format transmitted / received in the communication processing between apparatuses in the embodiment of the present technology. That is, an example is shown in which a vendor specific information element is used as the vendor specific content constituting the vendor specific action frame shown in FIG. That is, FIG. 11 shows a configuration method in the case of using an information element (IE).
- IE information element
- the vendor specific action frame in order to indicate what the vendor specific action frame is used for, it is preferable to divide it into a plurality of parts. For example, it is preferable to divide into a vendor specific content type (652) portion and a subsequent information element storage portion (653). In other words, the vendor specific content type (652) can indicate what the vendor specific action frame is used for.
- each frame is described in the vendor specific content type (652).
- This type is, for example, a type indicating a request frame for indicating activation of a specific application to a connection partner while a P2P L2 (second layer) link exists, and a type indicating a response frame for responding to the type.
- a Length field (655) and an OUI field (656) follow as shown in section 7.3.2.26 of the IEEE 802.11-2007 specification. After this, a vendor specific content (657) is arranged.
- the vendor specific content (657) is divided into an information element type (658) and a subelement (659) that is a constituent element of the information element type (658).
- the subelements portion (659) is divided into a plurality of subelements (660 to 663).
- the type part (658) includes information indicating that it is an information element for starting a specific application, and the subelements part (659) includes each piece of information.
- each information included in the subelements part (659) is a name of a specific application (660) to be used and a role of the device (661) when the specific application is operated.
- Each information includes a specific application or information such as a port number used for controlling a specific application (information for L4 setup) (662), and Capability information in a specific application (663). It is.
- the capability information is, for example, information corresponding to audio transmission / reproduction, video transmission / reproduction, and the like when the specific application to be specified is DLNA.
- the information element type itself may be classified to specify a specific application to be started.
- a subelement that designates the type of a specific application that triggers activation is not necessary as the subelement.
- the transmission side (for example, the first wireless communication device 100) transmits an action frame for requesting activation of a specific application including such an information element to the reception side (for example, the second wireless communication device 200). Further, when receiving the action frame, the receiving side returns an action frame of a response including a corresponding information element (response to the action frame that requests activation of a specific application).
- the intentions of both the transmission side and the reception side can be matched, and a specific application can be automatically started on both sides. Accordingly, the operation of a specific application can be started based on the control information in the L2 (second layer) link.
- the predetermined portion to be encapsulated and sent is an association request frame or a frame body portion of an association response frame including a specific information element.
- a configuration example of the frame format of this mounting method is shown in FIG.
- FIG. 12 is a diagram schematically illustrating a configuration example of a frame format transmitted and received in communication processing between apparatuses in the embodiment of the present technology. That is, an example is shown in which association is used as the Vendor Specific Content constituting the vendor specific action frame shown in FIG.
- the vendor specific action frame in order to indicate what the vendor specific action frame is used for, it is preferable to divide it into a plurality of parts. For example, it is preferable to divide into a vendor specific content type (672) portion and an information element storage portion (673) for encapsulating the subsequent frames.
- the vendor specific content type (672) can indicate what the vendor specific action frame is used for.
- each frame is described in the vendor specific content type (672).
- This type is, for example, a type indicating an action frame that encapsulates an association request frame for indicating a specific application activation to a connection partner while a P2P L2 (second layer) link exists.
- P2P L2 second layer
- it is a type indicating an action frame that encapsulates an association response frame for responding to it.
- the association request frame or the body part (675) of the association response frame when responding to the information is stored.
- the format itself of the body part (675) of the encapsulation request frame or the association response frame to be encapsulated has the same configuration as the frame body shown in FIG. Further, the format of the body part (675) itself is equivalent to that shown in FIG. 11, and the information elements for starting the specific application included in the body part (675) are also shown in FIG. It is equivalent. For this reason, the detailed description about these is abbreviate
- an association request frame to which an information element for starting a specific application is added is encapsulated in an action frame and transmitted to the connection partner. Accordingly, it is possible to notify the connection partner that the specific application is requested to be started while maintaining the existing L2 (second layer) link.
- the connection partner that has received it can encapsulate an association response frame to which an information element for activating a specific application is added, into an action frame and send it back.
- the intentions of both the transmission side and the reception side can be matched, and a specific application can be automatically activated on both sides. Thereby, the operation of a specific application can be started based on the control information in the existing L2 (second layer) link.
- FIG. 13 is a sequence chart illustrating an exemplary communication process performed by each device according to the embodiment of the present technology.
- FIG. 13 shows an example of communication processing when a specific application is started after connection in the second layer.
- sequence chart shown in FIG. 13 is a modified example in which a part of FIG. 5 and FIG. 6 is modified, and therefore a part of the description of the part common to FIG. 5 and FIG. Specifically, in the communication process surrounded by the rectangle 551, each process (501 to 512) shown in FIGS. 5 and 6 is performed.
- the specific application activation is realized by packet exchange for the specific application activation (552).
- each frame (action frame) shown in FIGS. 10 to 12 is transmitted and received.
- the actual data transmission of the specific application can be performed (553).
- each process such as L2 (second layer) link temporary disconnection (542) can be omitted.
- Each process that can be omitted is, for example, the second device discovery and the second service discovery (optional).
- each process that can be omitted is, for example, the second Group Owner negotiation, the second Association, the second secure link establishment, and the second IP address assignment.
- the next specific application can be started in a short time.
- connection partner is compatible with the vendor specific action frame exchange.
- information indicating that the received frame cannot be recognized can be transmitted to notify that the connection partner is not compatible with the vendor specific action frame.
- 128 to 255 is specified in the category field in the action frame, and the response including the received information element is directly used. Send back. Thereby, it can be notified that the receiving side is not compatible with the vendor specific action frame.
- vendor specific action frame itself can be interpreted, it is assumed that the specified specific application is not supported. In this case, non-correspondence can be notified by sending a reply using an error code defined as a vendor specific information element.
- the action frame is used in the range of the IEEE 802.11-2007 specification.
- GAS generator advertisement service
- the frame is not encrypted. For this reason, it is preferable to use the action frame when exchanging information between wireless communication apparatuses in which L2 (second layer) link is already established and secure link is established.
- [Operation example of wireless communication device] 14 to 16 are flowcharts illustrating an example of a processing procedure of communication processing by the first wireless communication device 100 according to the embodiment of the present technology.
- Steps S901 to S905 correspond to 521 and 522 shown in FIG.
- Steps S906 to S909 correspond to 523 shown in FIG.
- Step S910 corresponds to 524 shown in FIG.
- Steps S911 to S915 correspond to 527 to 531 shown in FIG.
- Step S919 corresponds to 504 shown in FIG.
- Steps S920 to S926 correspond to 507 to 512 shown in FIGS.
- steps S927 to S933 and S914 correspond to 552 shown in FIG.
- step S915 corresponds to 553 shown in FIG.
- the control unit 140 executes Device Discovery (step S901). Subsequently, the control unit 140 determines whether or not IE (corresponding to 610 shown in FIG. 7) indicating the correspondence with the specific application is included in the information from the partner device discovered by Device Discovery (step S902). The information from this partner device is Device Discovery request or Device Discovery response.
- the control unit 140 lists the discovered device as the specific application compatible partner (for example, the connection partner list 180 illustrated in FIG. 3). Recording is performed (step S903). If the IE indicating the specific application correspondence is not included (step S902), the control unit 140 lists the discovered devices as non-specific application counterparts (for example, the connection partner list 180 illustrated in FIG. 3).
- Step S904 For example, when the IE indicating the specific application correspondence is included, “Yes” is recorded in the specific application correspondence 184 of the connection partner list 180 illustrated in FIG. 3, and the IE indicating the specific application correspondence is not included. “None” is recorded in the specific application correspondence 184.
- control unit 140 determines whether all partner devices discovered by Device Discovery have been recorded in the list (step S905). If all of the partner devices have not been recorded in the list, the control unit 140 proceeds to step S902. Return. When all of them are recorded in the list (step S905), the control unit 140 determines whether or not a connection partner designation operation has been performed by the user (step S906).
- step S906 the control unit 140 determines whether a connection request is received from the partner device (step S907). If a connection request has not been received from the counterpart device (step S907), the process waits (step S908) and returns to step S901. If a connection request is received from the counterpart device (step S907), the process proceeds to step S909.
- step S906 When a connection partner designation operation is performed by the user (step S906) or when a connection request is received from the partner device (step S907), the control unit 140 determines whether or not a specific application has been designated thereby. Is determined (step S909). For example, on the connection content selection screen 190 shown in FIG. 4, the user performs a connection partner designation operation and a specific application designation operation. Further, based on information included in the connection request received from the counterpart device, it is determined whether or not a specific application has been designated.
- step S909 the control unit 140 adds the IE corresponding to the specific application and executes Group Owner Negotiation (step S910).
- the first wireless communication device 100 becomes a GO (Group Owner) or a client.
- control unit 140 adds the IE corresponding to the specific application, executes association, and connects in the second layer (step S911). Subsequently, the control unit 140 causes the secure link to be established (step S912) and causes the IP address assignment to be executed (step S913).
- control unit 140 automatically activates the specific application according to the information in the specific application-corresponding IE (step S914), and operates the specific application (step S915). Subsequently, the control unit 140 determines whether or not the second layer disconnection request has been received from the user or the connection partner (step S916). If the second layer disconnection request has not been received, the control unit 140 continues monitoring. Do it. On the other hand, when a request for cutting the second layer is received (step S916), the control unit 140 executes a termination process for a specific application (step S917) and executes a cutting process for the second layer (step S918). ), The operation of the communication process is terminated.
- control unit 140 executes Group Owner Negotiation without adding the specific application-compatible IE (step S919).
- Group Owner negotiation the first wireless communication device 100 becomes a GO (Group Owner) or a client.
- control unit 140 executes association without adding the IE for the specific application and connects in the second layer (step S920). Subsequently, the control unit 140 causes the secure link to be established (step S921), and causes the IP address assignment to be executed (step S922).
- control unit 140 confirms the corresponding application by SSDP and executes L4 setup (step S923). Subsequently, the control unit 140 determines whether or not an application activation instruction has been received from the user or the connection partner (step S924). If no application activation instruction has been received, monitoring is continued. On the other hand, when the application activation instruction is received (step S924), the control unit 140 activates the application according to the application activation instruction (step S925) and operates the application (step S926).
- control unit 140 determines whether or not an instruction to start a specific application has been received from the user (step S927).
- the control unit 140 selects an active application. Stop (step S928).
- the control unit 140 transmits the vendor specific action frame of the application activation trigger request including the specific application-corresponding IE to the connection partner (step S929).
- the control unit 140 receives the vendor specific action frame of the application activation trigger response including the IE for the specific application from the connection partner (step S930).
- the Vendor Specific Action frame is, for example, the Action frame shown in FIGS. 10 to 12 and includes the Vendor Specific IE (IE for specific applications).
- control unit 140 automatically activates the specific application according to the information in the specific application-corresponding IE (step S914), and operates the specific application (step S915).
- step S927 the control unit 140 determines whether or not the Vendor Specific Action frame of the application activation trigger request including the specific application corresponding IE has been received (step S931). .
- step S931 the control unit 140 transmits the vendor specific action frame of the application activation trigger response including the specific application-compatible IE to the connection partner (step S932). Subsequently, the control unit 140 stops the running application (step S933), and proceeds to step S914.
- step S931 the control unit 140 determines whether a second layer disconnection request has been received from the user or the connection partner (step S934). If the second layer cutting request has not been received (step S934), the process returns to step S927 to continue monitoring. On the other hand, when the second layer cutting request is received (step S934), the control unit 140 executes an application termination process (step S935), and executes a second layer cutting process (step S936). The communication processing operation is terminated.
- step S901 is an example of a first procedure described in the claims.
- Steps S910 to S915 are an example of the second procedure described in the claims.
- Steps S927 to S933 are an example of a third procedure described in the claims.
- the control unit 140 perform control to specify a specific application.
- the control unit 140 includes information (shown in FIGS. 10 to 12) corresponding to an information element (shown in FIG. 7) for designating a specific application without disconnecting the wireless connection.
- Control to specify a specific application by sending and receiving data.
- the control unit 140 transmits and receives an encrypted frame as data including information corresponding to the information element.
- the control unit 140 corresponds to an information element for designating activation of a specific application without disconnecting the wireless connection when a specific application is designated by a user operation after establishing the wireless connection. Send the data including the information to be used.
- the specific application is specified by this transmission.
- data including information corresponding to an information element for designating activation of a specific application is received from a wireless communication device (for example, the second wireless communication device 200) connected wirelessly.
- the control unit 140 transmits data including information corresponding to an information element for designating activation of the specific application as a response to the data without disconnecting the wireless connection. For example, it transmits to the 2nd radio
- the specific application is specified by this transmission.
- the control unit 140 transmits / receives a vendor specific action frame defined in the IEEE 802.11 specification as data including information corresponding to the information element.
- the control unit 140 transmits a request frame that uses a vendor specific information element as its information element as a vendor specific action frame.
- the control unit 140 transmits a response frame using a vendor specific information element as the information element as the vendor specific action frame.
- control unit 140 encapsulates the association request frame body including the information element into the vendor specific action frame and transmits the encapsulated request frame.
- this association request frame body a vendor specific information element is used as an information element, and the information element is included in the association request frame body.
- control unit 140 encapsulates an association response frame body including the information element into a vendor specific action frame and transmits the encapsulated response frame.
- association response frame body a vendor specific information element is used as an information element and includes the information element.
- control unit 140 When a specific application that has not been specified in the establishment process is newly specified after establishing the wireless connection, the control unit 140 performs control for specifying the new specific application. May be.
- a specific application at the time of device discovery or service discovery performed before the connection is established in the second layer. Even when a specific application is not specified during device discovery or service discovery, a frame including a predetermined information element can be sent after establishing a connection in the second layer.
- the predetermined information element is, for example, an information element transmitted / received at the time of device discovery or service discovery.
- information necessary for starting a specific application is exchanged using an action frame used one-on-one. Since this action frame can be encrypted, it is possible to increase resistance to attacks from others from the viewpoint of security.
- the processing procedure described in the above embodiment may be regarded as a method having a series of these procedures, and a program for causing a computer to execute these series of procedures or a recording medium storing the program. You may catch it.
- a recording medium for example, a CD (Compact Disc), an MD (MiniDisc), a DVD (Digital Versatile Disc), a memory card, a Blu-ray Disc (Blu-ray Disc (registered trademark)), or the like can be used.
- a connected device discovery process is executed before establishing a wireless connection, and if it is detected that the connected device discovered by the connected device discovery process corresponds to a specific application, the specific application is specified.
- a communication unit that executes transmission / reception of data including an information element for establishing the wireless connection by transmitting and receiving data;
- the specific application is not specified at the time of the establishment process, when the specific application is specified after establishing the wireless connection, the wireless connection is not disconnected and corresponds to the information element.
- a wireless communication apparatus comprising: a control unit that performs control for transmitting and receiving data including information and designating the specific application.
- the control unit When the specific application is not specified at the time of the establishment process, the control unit establishes the wireless connection when the specific application is specified by a user operation after establishing the wireless connection.
- the wireless communication device according to (1), wherein control is performed to transmit the data including the information corresponding to the information element and specify the specific application without disconnecting.
- the control unit when the specific application is not specified in the establishment process, information corresponding to the information element from the wireless communication device connected wirelessly after establishing the wireless connection When data including the data is received, the data including the information corresponding to the information element is transmitted to the wireless communication apparatus connected wirelessly as a response to the received data without disconnecting the wireless connection.
- the wireless communication device according to (1) or (2), wherein control for designating the specific application is performed.
- control unit transmits and receives a vendor specific action frame defined in the IEEE 802.11 specification as data including information corresponding to the information element.
- Wireless communication device (5)
- the control unit includes information for specifying the specific application to be activated, and information for specifying a role to be played by the wireless communication device that transmits a request frame in the specific application.
- the wireless communication device according to (4), wherein the request frame that uses a vendor specific information element as the information element to be transmitted is transmitted as the vendor specific action frame.
- the control unit specifies information for specifying the specific application to be started and information for specifying a role to be played by a wireless communication apparatus that transmits a response frame for a request frame within the specific application
- the wireless communication device according to (4) or (5), wherein the response frame that uses a vendor specific information element as the information element including: is transmitted as the vendor specific action frame.
- the control unit includes information for specifying the specific application to be activated, and information for specifying a role to be played by the wireless communication device that transmits a request frame in the specific application.
- the control unit specifies information for specifying the specific application to be activated, and information for specifying a role to be played by a wireless communication apparatus that transmits a response frame for a request frame in the specific application (8)
- a vendor specific information element is used as the information element including the information element
- the association response frame body including the information element is encapsulated in the vendor specific action frame.
- Wireless communication device (9) The wireless communication device according to any one of (1) to (8), wherein the control unit transmits and receives an encrypted frame as data including information corresponding to the information element.
- the communication unit performs a process of adding and transmitting information indicating a specific application corresponding to a probe request or a probe response defined in the IEEE 802.11 specification.
- the wireless communication device according to any one of (1) to (10).
- the connected device discovery process is executed mutually before establishing the wireless connection, and when it is detected that the connected device discovered by the connected device discovery process corresponds to the specific application, the specific application is Comprising a first wireless communication device and a second wireless communication device for performing establishment processing for establishing wireless connection by transmitting and receiving data including an information element for designating each other;
- the first wireless communication device and the second wireless communication device when the specific application is specified after establishing the wireless connection when the specific application is not specified in the establishment process, A communication system for designating the specific application by transmitting and receiving data including information corresponding to the information element without disconnecting the wireless connection.
- (14) a first procedure for executing a connected device discovery process before establishing a wireless connection; When it is detected that the connected device discovered by the connected device discovery process corresponds to a specific application, the wireless connection is established by transmitting and receiving data including an information element for designating the specific application.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephone Function (AREA)
- Transceivers (AREA)
- Telephonic Communication Services (AREA)
- Communication Control (AREA)
Abstract
Description
1.実施の形態(通信制御:第2層での接続を切断せずに、第2層での接続後に用いる特定のアプリケーションを指定する例)
[通信システムの構成例]
図1は、本技術の実施の形態における通信システム10の構成例を示す図である。
図2は、本技術の実施の形態における第1無線通信装置100の機能構成例を示すブロック図である。なお、第2無線通信装置200、第3無線通信装置300および第4無線通信装置400の機能構成(無線通信に関する機能構成)については、第1無線通信装置100と略同様であるため、ここでの説明を省略する。また、以下では、第1無線通信装置100以外の各無線通信装置の各部を説明する際には、第1無線通信装置100と同一の符号を用いて説明する。
図3は、本技術の実施の形態におけるメモリ150に保持される接続相手リスト180の構成例を模式的に示す図である。
図4は、本技術の実施の形態における第1無線通信装置100の表示部170に表示される表示画面例(接続内容選択画面190)を示す図である。
ここで、本技術の基礎となる基本動作例について説明する。
図5および図6は、本技術の基礎となる各装置による通信処理例を示すシーケンスチャートである。具体的には、Wi-Fi Allianceにおいて標準化されているWi-Fiダイレクト(Direct)規格(Wi-Fi P2Pと呼ばれることもある)での接続に至るダイレクト接続の確立手順の一例を示す。
図7は、本技術の基礎となる各装置による通信処理において送受信されるフレームフォーマット(frame format)の構成例を模式的に示す図である。すなわち、図7には、第2層での接続を確立するためのMAC frameの構成例を示す。具体的には、図8に示すシーケンスを実現するためのAssociation Request/Response(527)のフレームフォーマットの一例である。
図8は、本技術の基礎となる各装置による通信処理例を示すシーケンスチャートである。図8には、第2層で接続する前に特定のアプリケーションを指定して接続相手を選択し、この選択後に、自動的に特定のアプリケーションを起動させる場合における通信処理例を示す。なお、図8に示すシーケンスチャートは、図5および図6の一部を変形した変形例であるため、図5および図6に共通する部分についての説明の一部を省略する。
図9は、本技術の基礎となる各装置による通信処理例を示すシーケンスチャートである。図9には、第2層での接続後に、図8に示す仕組みを用いて特定のアプリケーションを起動する場合における通信処理例を示す。
図10は、本技術の実施の形態における各装置間の通信処理において送受信されるフレームフォーマット(frame format)の構成例を模式的に示す図である。すなわち、図10には、第2層での接続後に、特定のアプリケーションの起動(特定アプリ起動)をトリガするaction frameの構成例を示す。具体的には、MAC層レベルでのvendor specific action frameの構造例を示す。
図11は、本技術の実施の形態における各装置間の通信処理において送受信されるフレームフォーマット(frame format)の構成例を模式的に示す図である。すなわち、図10に示すvendor specific action frameを構成するVendor Specific Contentとして、vendor specific Information Elementを用いる例を示す。すなわち、図11には、情報要素(IE)を用いる場合の構成方法を示す。
図12は、本技術の実施の形態における各装置間の通信処理において送受信されるフレームフォーマット(frame format)の構成例を模式的に示す図である。すなわち、図10に示すvendor specific action frameを構成するVendor Specific Contentとして、associationを用いる例を示す。
図13は、本技術の実施の形態における各装置による通信処理例を示すシーケンスチャートである。図13には、第2層での接続後に、特定のアプリケーションを起動する場合における通信処理例を示す。
図14乃至図16は、本技術の実施の形態における第1無線通信装置100による通信処理の処理手順の一例を示すフローチャートである。
(1) 無線接続を確立する前に接続機器発見処理を実行し、前記接続機器発見処理により発見された接続機器が特定のアプリケーションに対応することが検出された場合には前記特定のアプリケーションを指定するための情報要素を含めたデータを送受信して前記無線接続を確立するための確立処理を実行する通信部と、
前記確立処理の際に前記特定のアプリケーションが指定されなかった場合において、前記無線接続を確立した後に前記特定のアプリケーションが指定されたときには、前記無線接続を切断せずに、前記情報要素に相当する情報を含めたデータを送受信して前記特定のアプリケーションを指定するための制御を行う制御部と
を具備する無線通信装置。
(2) 前記制御部は、前記確立処理の際に前記特定のアプリケーションが指定されなかった場合において、前記無線接続を確立した後にユーザ操作により前記特定のアプリケーションが指定されたときに、前記無線接続を切断せずに、前記情報要素に相当する情報を含めたデータを送信して前記特定のアプリケーションを指定するための制御を行う前記(1)に記載の無線通信装置。
(3) 前記制御部は、前記確立処理の際に前記特定のアプリケーションが指定されなかった場合において、前記無線接続を確立した後に前記無線接続されている無線通信装置から前記情報要素に相当する情報を含めたデータを受信したときに、前記無線接続を切断せずに、当該受信したデータに対する応答として前記情報要素に相当する情報を含めたデータを前記無線接続されている無線通信装置に送信して前記特定のアプリケーションを指定するための制御を行う前記(1)または(2)に記載の無線通信装置。
(4) 前記制御部は、前記情報要素に相当する情報を含めたデータとして、IEEE802.11仕様で定められたvendor specific action frameを送受信する前記(1)から(3)のいずれかに記載の無線通信装置。
(5) 前記制御部は、起動すべき前記特定のアプリケーションを特定するための情報と、前記特定のアプリケーション内においてrequest frameを送信する当該無線通信装置が担うべき役割を特定するための情報とを含む前記情報要素としてvendor specific Information Elementを使用する前記request frameを、前記vendor specific action frameとして送信する前記(4)に記載の無線通信装置。
(6) 前記制御部は、起動すべき前記特定のアプリケーションを特定するための情報と、前記特定のアプリケーション内においてrequest frameに対するresponse frameを送信する無線通信装置が担うべき役割を特定するための情報とを含む前記情報要素としてvendor specific Information Elementを使用する前記response frameを、前記vendor specific action frameとして送信する前記(4)または(5)に記載の無線通信装置。
(7) 前記制御部は、起動すべき前記特定のアプリケーションを特定するための情報と、前記特定のアプリケーション内においてrequest frameを送信する当該無線通信装置が担うべき役割を特定するための情報とを含む前記情報要素としてvendor specific Information Elementを使用し、かつ、前記情報要素を含むassociation request frame bodyを、前記vendor specific action frameにカプセル化して送信する前記(4)に記載の無線通信装置。
(8) 前記制御部は、起動すべき前記特定のアプリケーションを特定するための情報と、前記特定のアプリケーション内においてrequest frameに対するresponse frameを送信する無線通信装置が担うべき役割を特定するための情報とを含む前記情報要素としてvendor specific Information Elementを使用し、かつ、前記情報要素を含むassociation response frame bodyを、前記vendor specific action frameにカプセル化して送信する前記(4)または(7)に記載の無線通信装置。
(9) 前記制御部は、前記情報要素に相当する情報を含めたデータとして、暗号化されたフレームを送受信させる前記(1)から(8)のいずれかに記載の無線通信装置。
(10) 前記通信部は、前記無線接続として第2層での接続を確立する前記(1)から(9)のいずれかに記載の無線通信装置。
(11) 前記通信部は、前記接続機器発見処理として、IEEE802.11仕様で定められたProbe RequestまたはProbe Responseに、対応している特定のアプリケーションを示す情報を追加して送受信する処理を実行する前記(1)から(10)のいずれかに記載の無線通信装置。
(12) 前記無線通信装置は、P2P(Peer to Peer)接続を可能とするIEEE802.11仕様に準拠した無線通信装置である前記(1)から(11)のいずれかに記載の無線通信装置。
(13) 無線接続を確立する前に接続機器発見処理を互いに実行し、前記接続機器発見処理により発見された接続機器が特定のアプリケーションに対応することが検出された場合には前記特定のアプリケーションを指定するための情報要素を含めたデータを互いに送受信して前記無線接続を確立するための確立処理を実行する第1無線通信装置および第2無線通信装置を具備し、
前記第1無線通信装置および前記第2無線通信装置は、前記確立処理の際に前記特定のアプリケーションが指定されなかった場合において、前記無線接続を確立した後に前記特定のアプリケーションが指定されたときには、前記無線接続を切断せずに、前記情報要素に相当する情報を含めたデータを互いに送受信して前記特定のアプリケーションを指定する
通信システム。
(14) 無線接続を確立する前に接続機器発見処理を実行する第1手順と、
前記接続機器発見処理により発見された接続機器が特定のアプリケーションに対応することが検出された場合には前記特定のアプリケーションを指定するための情報要素を含めたデータを送受信して前記無線接続を確立するための確立処理を実行する第2手順と、
前記確立処理の際に前記特定のアプリケーションが指定されなかった場合において、前記無線接続を確立した後に前記特定のアプリケーションが指定されたときには、前記無線接続を切断せずに、前記情報要素に相当する情報を含めたデータを送受信して前記特定のアプリケーションを指定するための制御を行う第3手順と
を具備する通信方法。
100 第1無線通信装置
101 アンテナ
110 データ処理部
120 伝送処理部
130 無線インターフェース部
140 制御部
150 メモリ
160 操作受付部
170 表示部
200 第2無線通信装置
300 第3無線通信装置
400 第4無線通信装置
Claims (14)
- 無線接続を確立する前に接続機器発見処理を実行し、前記接続機器発見処理により発見された接続機器が特定のアプリケーションに対応することが検出された場合には前記特定のアプリケーションを指定するための情報要素を含めたデータを送受信して前記無線接続を確立するための確立処理を実行する通信部と、
前記確立処理の際に前記特定のアプリケーションが指定されなかった場合において、前記無線接続を確立した後に前記特定のアプリケーションが指定されたときには、前記無線接続を切断せずに、前記情報要素に相当する情報を含めたデータを送受信して前記特定のアプリケーションを指定するための制御を行う制御部と
を具備する無線通信装置。 - 前記制御部は、前記確立処理の際に前記特定のアプリケーションが指定されなかった場合において、前記無線接続を確立した後にユーザ操作により前記特定のアプリケーションが指定されたときに、前記無線接続を切断せずに、前記情報要素に相当する情報を含めたデータを送信して前記特定のアプリケーションを指定するための制御を行う請求項1記載の無線通信装置。
- 前記制御部は、前記確立処理の際に前記特定のアプリケーションが指定されなかった場合において、前記無線接続を確立した後に前記無線接続されている無線通信装置から前記情報要素に相当する情報を含めたデータを受信したときに、前記無線接続を切断せずに、当該受信したデータに対する応答として前記情報要素に相当する情報を含めたデータを前記無線接続されている無線通信装置に送信して前記特定のアプリケーションを指定するための制御を行う請求項1記載の無線通信装置。
- 前記制御部は、前記情報要素に相当する情報を含めたデータとして、IEEE802.11仕様で定められたvendor specific action frameを送受信する請求項1記載の無線通信装置。
- 前記制御部は、起動すべき前記特定のアプリケーションを特定するための情報と、前記特定のアプリケーション内においてrequest frameを送信する当該無線通信装置が担うべき役割を特定するための情報とを含む前記情報要素としてvendor specific Information Elementを使用する前記request frameを、前記vendor specific action frameとして送信する請求項4記載の無線通信装置。
- 前記制御部は、起動すべき前記特定のアプリケーションを特定するための情報と、前記特定のアプリケーション内においてrequest frameに対するresponse frameを送信する無線通信装置が担うべき役割を特定するための情報とを含む前記情報要素としてvendor specific Information Elementを使用する前記response frameを、前記vendor specific action frameとして送信する請求項4記載の無線通信装置。
- 前記制御部は、起動すべき前記特定のアプリケーションを特定するための情報と、前記特定のアプリケーション内においてrequest frameを送信する当該無線通信装置が担うべき役割を特定するための情報とを含む前記情報要素としてvendor specific Information Elementを使用し、かつ、前記情報要素を含むassociation request frame bodyを、前記vendor specific action frameにカプセル化して送信する請求項4記載の無線通信装置。
- 前記制御部は、起動すべき前記特定のアプリケーションを特定するための情報と、前記特定のアプリケーション内においてrequest frameに対するresponse frameを送信する無線通信装置が担うべき役割を特定するための情報とを含む前記情報要素としてvendor specific Information Elementを使用し、かつ、前記情報要素を含むassociation response frame bodyを、前記vendor specific action frameにカプセル化して送信する請求項4記載の無線通信装置。
- 前記制御部は、前記情報要素に相当する情報を含めたデータとして、暗号化されたフレームを送受信させる請求項1記載の無線通信装置。
- 前記通信部は、前記無線接続として第2層での接続を確立する請求項1記載の無線通信装置。
- 前記通信部は、前記接続機器発見処理として、IEEE802.11仕様で定められたProbe RequestまたはProbe Responseに、対応している特定のアプリケーションを示す情報を追加して送受信する処理を実行する請求項1記載の無線通信装置。
- 前記無線通信装置は、P2P(Peer to Peer)接続を可能とするIEEE802.11仕様に準拠した無線通信装置である請求項1記載の無線通信装置。
- 無線接続を確立する前に接続機器発見処理を互いに実行し、前記接続機器発見処理により発見された接続機器が特定のアプリケーションに対応することが検出された場合には前記特定のアプリケーションを指定するための情報要素を含めたデータを互いに送受信して前記無線接続を確立するための確立処理を実行する第1無線通信装置および第2無線通信装置を具備し、
前記第1無線通信装置および前記第2無線通信装置は、前記確立処理の際に前記特定のアプリケーションが指定されなかった場合において、前記無線接続を確立した後に前記特定のアプリケーションが指定されたときには、前記無線接続を切断せずに、前記情報要素に相当する情報を含めたデータを互いに送受信して前記特定のアプリケーションを指定する
通信システム。 - 無線接続を確立する前に接続機器発見処理を実行する第1手順と、
前記接続機器発見処理により発見された接続機器が特定のアプリケーションに対応することが検出された場合には前記特定のアプリケーションを指定するための情報要素を含めたデータを送受信して前記無線接続を確立するための確立処理を実行する第2手順と、
前記確立処理の際に前記特定のアプリケーションが指定されなかった場合において、前記無線接続を確立した後に前記特定のアプリケーションが指定されたときには、前記無線接続を切断せずに、前記情報要素に相当する情報を含めたデータを送受信して前記特定のアプリケーションを指定するための制御を行う第3手順と
を具備する通信方法。
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2013247949A AU2013247949B2 (en) | 2012-04-13 | 2013-03-07 | Wireless communication device, communication system, and communication method |
CN201380017965.5A CN104205890B (zh) | 2012-04-13 | 2013-03-07 | 无线通信设备、通信系统和通信方法 |
JP2014510078A JP6036812B2 (ja) | 2012-04-13 | 2013-03-07 | 無線通信装置、通信システムおよび通信方法 |
CA2867799A CA2867799A1 (en) | 2012-04-13 | 2013-03-07 | Wireless communication device, communication system, and communication method |
US14/390,631 US9544931B2 (en) | 2012-04-13 | 2013-03-07 | Wireless communication device, communication system, and communication method |
EP13776298.5A EP2838286B1 (en) | 2012-04-13 | 2013-03-07 | Wireless communication device, communication system, and communication method |
MX2014012043A MX346421B (es) | 2012-04-13 | 2013-03-07 | Dispositivo de comunicación, sistema de comunicación, y método de comunicación. |
RU2014140315A RU2606881C2 (ru) | 2012-04-13 | 2013-03-07 | Устройство беспроводной связи, система связи и способ связи |
SG11201406384QA SG11201406384QA (en) | 2012-04-13 | 2013-03-07 | Wireless communication device, communication system, and communication method |
KR1020147027527A KR102051690B1 (ko) | 2012-04-13 | 2013-03-07 | 무선 통신 장치, 통신 시스템 및 통신 방법 |
IN8306DEN2014 IN2014DN08306A (ja) | 2012-04-13 | 2014-10-07 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-091549 | 2012-04-13 | ||
JP2012091549 | 2012-04-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013153886A1 true WO2013153886A1 (ja) | 2013-10-17 |
Family
ID=49327462
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/056322 WO2013153886A1 (ja) | 2012-04-13 | 2013-03-07 | 無線通信装置、通信システムおよび通信方法 |
PCT/JP2013/056323 WO2013153887A1 (ja) | 2012-04-13 | 2013-03-07 | 無線通信装置、情報処理装置および通信方法 |
PCT/JP2013/056324 WO2013153888A1 (ja) | 2012-04-13 | 2013-03-07 | 無線通信装置、情報処理装置および通信方法 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/056323 WO2013153887A1 (ja) | 2012-04-13 | 2013-03-07 | 無線通信装置、情報処理装置および通信方法 |
PCT/JP2013/056324 WO2013153888A1 (ja) | 2012-04-13 | 2013-03-07 | 無線通信装置、情報処理装置および通信方法 |
Country Status (15)
Country | Link |
---|---|
US (6) | US9538567B2 (ja) |
EP (6) | EP3419256B1 (ja) |
JP (5) | JP6036812B2 (ja) |
KR (4) | KR102051691B1 (ja) |
CN (5) | CN108600400B (ja) |
AU (3) | AU2013247951A1 (ja) |
BR (1) | BR112014024953B1 (ja) |
CA (3) | CA2867783C (ja) |
DE (1) | DE202013012744U1 (ja) |
IN (1) | IN2014DN08306A (ja) |
MX (3) | MX350362B (ja) |
MY (3) | MY173544A (ja) |
RU (3) | RU2612574C2 (ja) |
SG (3) | SG11201406386TA (ja) |
WO (3) | WO2013153886A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016058917A (ja) * | 2014-09-10 | 2016-04-21 | セイコーエプソン株式会社 | 映像表示システム、映像表示システムを構成する映像送信装置と映像受信表示装置との間の映像無線伝送規格に従った接続方法、コンピュータープログラム、映像送信装置、映像受信表示装置 |
WO2019124086A1 (ja) * | 2017-12-20 | 2019-06-27 | ソニー株式会社 | 情報処理装置、情報処理方法、情報処理システム、並びにプログラム |
DE112014006812B4 (de) | 2014-07-14 | 2023-06-15 | Mitsubishi Electric Corporation | Funkkommunikationssystem und Funkkommunikationsverfahren |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3419256B1 (en) * | 2012-04-13 | 2020-05-27 | Sony Corporation | Wireless communication device and communication method |
JP6253250B2 (ja) * | 2013-05-01 | 2017-12-27 | キヤノン株式会社 | 通信装置、通信装置の制御方法、プログラム |
JP6338344B2 (ja) * | 2013-10-04 | 2018-06-06 | キヤノン株式会社 | 通信装置、通信装置の制御方法およびプログラム |
KR102157398B1 (ko) * | 2013-12-12 | 2020-09-17 | 주식회사 알티캐스트 | 컨텐츠 연관 서비스 제공 방법 및 장치 |
KR20150074440A (ko) * | 2013-12-24 | 2015-07-02 | 주식회사 알티캐스트 | 개인화 서비스 제공 방법 및 장치 |
RU2629562C1 (ru) * | 2013-12-26 | 2017-08-30 | Сейко Эпсон Корпорейшн | Система передачи и отображения видео |
KR102210956B1 (ko) * | 2014-01-06 | 2021-02-02 | 삼성전자주식회사 | 영상표시장치 및 영상표시장치의 구동방법, 이동단말장치 및 이동단말장치의 구동방법 |
EP3104551B1 (en) * | 2014-02-06 | 2019-08-21 | LG Electronics Inc. | Method for performing a wi-fi display service and its corresponding device |
CN105960826B (zh) | 2014-02-12 | 2020-04-03 | 索尼公司 | 信息处理设备、信息处理系统和信息处理方法 |
US10425801B2 (en) | 2014-03-04 | 2019-09-24 | Samsung Electronics Co., Ltd | Method and device for providing contents in communication system |
KR102314867B1 (ko) | 2014-03-04 | 2021-10-20 | 삼성전자주식회사 | 자동 스위칭 방법 및 장치 |
JP6287465B2 (ja) * | 2014-03-27 | 2018-03-07 | 株式会社バッファロー | 情報処理装置、画面表示システム、情報処理装置における信号生成方法及びプログラム |
JP2015195488A (ja) * | 2014-03-31 | 2015-11-05 | ソニー株式会社 | 情報処理装置および情報処理方法 |
JP6387748B2 (ja) | 2014-09-02 | 2018-09-12 | ブラザー工業株式会社 | 通信機器 |
US20170242480A1 (en) * | 2014-10-06 | 2017-08-24 | Koninklijke Philips N.V. | Docking system |
JP6669076B2 (ja) * | 2014-11-04 | 2020-03-18 | ソニー株式会社 | 通信システム、情報処理方法およびプログラム |
CN105991516B (zh) * | 2015-01-28 | 2019-06-25 | 中国移动通信集团公司 | 无线同屏系统中的反向传输音频的方法及装置 |
KR102340917B1 (ko) * | 2015-06-12 | 2021-12-20 | 삼성전자주식회사 | 전자 장치 및 그 연결 방법 |
CN105872673A (zh) * | 2015-12-18 | 2016-08-17 | 乐视移动智能信息技术(北京)有限公司 | 多媒体数据显示方法及装置 |
JP6777992B2 (ja) * | 2016-01-21 | 2020-10-28 | キヤノン株式会社 | 通信装置、制御方法、及びプログラム |
KR101881205B1 (ko) * | 2016-07-06 | 2018-07-23 | 나지웅 | 서버 및 p2p 네트워크의 해킹 방지 방법 |
CN106412538A (zh) * | 2016-09-29 | 2017-02-15 | 努比亚技术有限公司 | 屏幕投影装置和方法 |
US10602557B2 (en) | 2016-11-30 | 2020-03-24 | Microsoft Technology Licensing, Llc | Discovering and protecting data streams in multi-path communication environments |
US10455632B2 (en) | 2016-11-30 | 2019-10-22 | Microsoft Technology Licensing, Llc | Dynamic identification of network connection preferences |
CN110418311B (zh) * | 2018-04-28 | 2021-08-31 | 华为技术有限公司 | 一种基于多个终端的互联方法、装置及终端 |
KR102536586B1 (ko) * | 2018-09-20 | 2023-05-26 | 삼성전자주식회사 | 와이파이 통신을 사용하는 전자 장치와 이의 동작 방법 |
US11657432B2 (en) | 2019-07-02 | 2023-05-23 | Bsi Business Systems Integration Ag | Campaign management system—suspension |
CN111372325B (zh) * | 2020-02-21 | 2022-04-26 | 华为技术有限公司 | 建立Wi-Fi点对点连接的方法和装置 |
TWI799131B (zh) * | 2021-03-11 | 2023-04-11 | 仁寶電腦工業股份有限公司 | 具有連線功能的電子裝置以及顯示方法 |
DE102021108517B4 (de) | 2021-04-06 | 2022-11-03 | Bender Gmbh & Co. Kg | Verfahren und Übertragungsvorrichtung zur mobilen Funkübertragung von Messdaten |
WO2022250004A1 (ja) * | 2021-05-25 | 2022-12-01 | パイオニア株式会社 | 情報処理装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008219358A (ja) * | 2007-03-02 | 2008-09-18 | Sony Corp | 無線通信システム、無線通信装置及び無線通信方法、並びにコンピュータ・プログラム |
JP2009521191A (ja) * | 2005-12-20 | 2009-05-28 | マイクロソフト コーポレーション | 無線ネットワークにおける近傍サービスの発見 |
JP2011124980A (ja) | 2009-11-13 | 2011-06-23 | Sony Corp | 無線通信装置、無線通信システム、プログラム、および無線通信方法 |
Family Cites Families (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6643690B2 (en) * | 1998-12-29 | 2003-11-04 | Citrix Systems, Inc. | Apparatus and method for determining a program neighborhood for a client node in a client-server network |
IL160981A0 (en) * | 2001-09-26 | 2004-08-31 | Interact Devices Inc | System and method for communicating media signals |
RU2316912C2 (ru) * | 2003-01-21 | 2008-02-10 | Нокиа Корпорейшн | Способ, система и сетевой объект для обеспечения передачи цифрового вещания |
KR100665425B1 (ko) * | 2003-03-08 | 2007-01-04 | 삼성전자주식회사 | 이동 통신 시스템에서 핸드오버를 수행하는 시스템 및 방법 |
JP4266192B2 (ja) * | 2004-03-05 | 2009-05-20 | 株式会社東芝 | 無線通信装置及び無線通信方法 |
US20060174120A1 (en) * | 2005-02-02 | 2006-08-03 | Seamless Peer 2 Peer, Inc. | System and method for providing peer-to-peer communication |
US8478300B2 (en) * | 2005-12-20 | 2013-07-02 | Microsoft Corporation | Proximity service discovery in wireless networks |
US8559350B2 (en) | 2005-12-20 | 2013-10-15 | Microsoft Corporation | Mechanism to convey discovery information in a wireless network |
US20070264991A1 (en) * | 2006-05-15 | 2007-11-15 | Microsoft Corporation | Services near me: discovering and connecting to available wireless services utilizing proximity discovery |
JP5035552B2 (ja) | 2007-03-20 | 2012-09-26 | 信越化学工業株式会社 | ボイスコイルモータ用磁気回路及びボイスコイルモータ |
US8667144B2 (en) * | 2007-07-25 | 2014-03-04 | Qualcomm Incorporated | Wireless architecture for traditional wire based protocol |
KR20090017351A (ko) | 2007-08-14 | 2009-02-18 | (주)씨디네트웍스 | 프로그램 제어장치, 프로그램 제어방법 및 그 기록 매체 |
US8170481B2 (en) | 2008-03-24 | 2012-05-01 | Intel Corporation | Techniques for discovering services provided in a wireless network |
US8516125B2 (en) | 2008-06-08 | 2013-08-20 | Apple Inc. | System and method for simplified data transfer |
JP5175773B2 (ja) | 2009-02-27 | 2013-04-03 | 株式会社東芝 | 通信装置、方法及びプログラム |
US20100278345A1 (en) * | 2009-05-04 | 2010-11-04 | Thomas Matthieu Alsina | Method and apparatus for proximity based pairing of mobile devices |
US8768323B2 (en) * | 2009-06-23 | 2014-07-01 | Intel Corporation | Service discovery in a wireless network |
US8830866B2 (en) | 2009-09-30 | 2014-09-09 | Apple Inc. | Methods and apparatus for solicited activation for protected wireless networking |
KR101679428B1 (ko) | 2009-10-16 | 2016-11-25 | 삼성전자주식회사 | Cpns 서비스 제공을 위한 개인망 형성 장치 및 방법 |
KR101732057B1 (ko) * | 2009-11-02 | 2017-05-02 | 삼성전자주식회사 | Av 시스템에서 사용자 입력 백 채널을 제공하는 방법 및 기기 |
KR101043051B1 (ko) | 2009-11-05 | 2011-06-21 | 주식회사 나래나노텍 | 부상 방식의 코팅 시스템 및 방법 |
US8891653B2 (en) * | 2009-11-12 | 2014-11-18 | Lg Electronics Inc. | MU-MIMO transmission method in wireless LAN system |
MX2012005628A (es) | 2009-11-17 | 2012-06-13 | Samsung Electronics Co Ltd | Metodo y dispositivo de investigacion de servicio de visualizacion de fidelidad inalambrica en red directa de fidelidad inalambrica. |
JP5499661B2 (ja) | 2009-11-30 | 2014-05-21 | ソニー株式会社 | 無線通信装置およびプログラム |
KR101290876B1 (ko) | 2009-12-15 | 2013-07-29 | 한국전자통신연구원 | 이동 통신 릴레이 시스템에서의 서브 프레임 스케쥴링 방법 및 시스템 |
US8559340B2 (en) * | 2009-12-22 | 2013-10-15 | Samsung Electronics Co., Ltd. | Method and apparatus for service discovery in Wi-Fi direct network |
JP5343841B2 (ja) * | 2009-12-22 | 2013-11-13 | ソニー株式会社 | 無線通信装置、無線通信方法、プログラム、および無線通信システム |
JP5556207B2 (ja) | 2010-02-04 | 2014-07-23 | ソニー株式会社 | 無線通信装置、無線通信方法、およびプログラム |
US8224246B2 (en) * | 2010-05-10 | 2012-07-17 | Nokia Corporation | Device to device connection setup using near-field communication |
KR101731844B1 (ko) * | 2010-05-14 | 2017-05-02 | 삼성전자 주식회사 | 와이파이 디바이스의 와이파이 서비스 제공 방법 및 시스템 |
JP5521774B2 (ja) | 2010-05-25 | 2014-06-18 | ソニー株式会社 | 情報処理装置、情報処理方法、及びそのプログラム |
KR101752355B1 (ko) * | 2010-07-26 | 2017-06-29 | 엘지전자 주식회사 | 영상표시기기의 동작 방법 |
KR101694773B1 (ko) * | 2010-08-05 | 2017-01-23 | 삼성전자주식회사 | 디지털 기기에서 무선 네트워크 연결 방법 및 장치 |
CA2811727C (en) * | 2010-09-20 | 2019-02-19 | Research In Motion Limited | Methods and apparatus to provide packet switched service continuity during circuit switched fallback operation |
US9369947B2 (en) | 2010-11-03 | 2016-06-14 | Lg Electronics Inc. | Method for searching for device and communication device using same |
US9271136B2 (en) * | 2010-11-19 | 2016-02-23 | Qualcomm Incorporated | Probe messaging for direct link connections |
US20120158839A1 (en) * | 2010-12-16 | 2012-06-21 | Microsoft Corporation | Wireless network interface with infrastructure and direct modes |
BR112013016094B1 (pt) | 2010-12-24 | 2022-02-01 | Samsung Electronics Co., Ltd | Método de executar comunicação entre um primeiro dispositivo e um segundo dispositivo utilizando um esquema direto wi-fi, dispositivo para executar comunicação entre um primeiro dispositivo e um segundo dispositivo utilizando um esquema direto wi-fi, e meio de gravação legível em computador |
US8674957B2 (en) * | 2011-02-04 | 2014-03-18 | Qualcomm Incorporated | User input device for wireless back channel |
US9565708B2 (en) * | 2011-05-20 | 2017-02-07 | Microsoft Technology Licensing, Llc | Auto-connect in a peer-to-peer network |
US8732319B2 (en) * | 2011-06-10 | 2014-05-20 | Qualcomm Incorporated | Context awareness proximity-based establishment of wireless communication connection |
US8634771B2 (en) * | 2011-06-15 | 2014-01-21 | Microsoft Corporation | Simple peer-to-peer network formation |
US20140012999A1 (en) * | 2011-08-24 | 2014-01-09 | Awind Inc. | Method of establishing paid connection using screen mirroring application between multi- platforms |
US8538333B2 (en) * | 2011-12-16 | 2013-09-17 | Arbitron Inc. | Media exposure linking utilizing bluetooth signal characteristics |
US8953490B2 (en) * | 2012-03-02 | 2015-02-10 | Blackberry Limited | Methods and apparatus for use in facilitating Wi-Fi peer-to-peer (P2P) wireless networking |
EP3419256B1 (en) * | 2012-04-13 | 2020-05-27 | Sony Corporation | Wireless communication device and communication method |
KR102091605B1 (ko) * | 2012-09-27 | 2020-03-20 | 엘지전자 주식회사 | 기기간 통신을 수행하는 기기 및 그 방법 |
US9144094B2 (en) * | 2012-10-29 | 2015-09-22 | Qualcomm Incorporated | Establishing a wireless display session between a computing device and a vehicle head unit |
KR101779437B1 (ko) * | 2012-11-20 | 2017-09-18 | 엘지전자 주식회사 | 직접 통신 시스템에서 서비스 탐색 또는 광고 방법 및 이를 위한 장치 |
KR102161715B1 (ko) * | 2013-05-23 | 2020-10-06 | 삼성전자주식회사 | 도킹 구조에서의 프록시 기반 통신 기법 |
-
2013
- 2013-03-07 EP EP18189458.5A patent/EP3419256B1/en active Active
- 2013-03-07 MY MYPI2014702584A patent/MY173544A/en unknown
- 2013-03-07 AU AU2013247951A patent/AU2013247951A1/en not_active Abandoned
- 2013-03-07 RU RU2014140313A patent/RU2612574C2/ru active
- 2013-03-07 RU RU2014140315A patent/RU2606881C2/ru active
- 2013-03-07 US US14/385,549 patent/US9538567B2/en active Active
- 2013-03-07 KR KR1020147027597A patent/KR102051691B1/ko active IP Right Grant
- 2013-03-07 WO PCT/JP2013/056322 patent/WO2013153886A1/ja active Application Filing
- 2013-03-07 KR KR1020147027598A patent/KR101930122B1/ko active IP Right Grant
- 2013-03-07 SG SG11201406386TA patent/SG11201406386TA/en unknown
- 2013-03-07 AU AU2013247949A patent/AU2013247949B2/en active Active
- 2013-03-07 CN CN201810899755.8A patent/CN108600400B/zh active Active
- 2013-03-07 CA CA2867783A patent/CA2867783C/en active Active
- 2013-03-07 WO PCT/JP2013/056323 patent/WO2013153887A1/ja active Application Filing
- 2013-03-07 DE DE202013012744.9U patent/DE202013012744U1/de not_active Expired - Lifetime
- 2013-03-07 MY MYPI2014702574A patent/MY168121A/en unknown
- 2013-03-07 EP EP13776298.5A patent/EP2838286B1/en active Active
- 2013-03-07 US US14/390,631 patent/US9544931B2/en active Active
- 2013-03-07 CA CA2867799A patent/CA2867799A1/en not_active Abandoned
- 2013-03-07 CN CN201380017765.XA patent/CN104247474B/zh active Active
- 2013-03-07 RU RU2014140318A patent/RU2630752C2/ru active
- 2013-03-07 KR KR1020187035829A patent/KR102051772B1/ko active IP Right Grant
- 2013-03-07 SG SG11201406384QA patent/SG11201406384QA/en unknown
- 2013-03-07 EP EP13776241.5A patent/EP2838285B1/en active Active
- 2013-03-07 KR KR1020147027527A patent/KR102051690B1/ko active IP Right Grant
- 2013-03-07 AU AU2013247950A patent/AU2013247950A1/en not_active Abandoned
- 2013-03-07 EP EP13775819.9A patent/EP2838284B1/en active Active
- 2013-03-07 MX MX2014012040A patent/MX350362B/es active IP Right Grant
- 2013-03-07 CN CN201811100063.9A patent/CN109041266B/zh active Active
- 2013-03-07 MY MYPI2014702583A patent/MY168007A/en unknown
- 2013-03-07 CN CN201380017755.6A patent/CN104205889B/zh active Active
- 2013-03-07 MX MX2014012039A patent/MX343129B/es active IP Right Grant
- 2013-03-07 SG SG11201406385UA patent/SG11201406385UA/en unknown
- 2013-03-07 JP JP2014510078A patent/JP6036812B2/ja active Active
- 2013-03-07 WO PCT/JP2013/056324 patent/WO2013153888A1/ja active Application Filing
- 2013-03-07 EP EP20183995.8A patent/EP3739917A1/en active Pending
- 2013-03-07 CA CA2867843A patent/CA2867843A1/en not_active Abandoned
- 2013-03-07 JP JP2014510080A patent/JP6036814B2/ja active Active
- 2013-03-07 JP JP2014510079A patent/JP6036813B2/ja active Active
- 2013-03-07 BR BR112014024953-9A patent/BR112014024953B1/pt active IP Right Grant
- 2013-03-07 MX MX2014012043A patent/MX346421B/es active IP Right Grant
- 2013-03-07 CN CN201380017965.5A patent/CN104205890B/zh active Active
- 2013-03-07 EP EP18189483.3A patent/EP3419257B1/en active Active
- 2013-03-07 US US14/385,616 patent/US9510382B2/en active Active
-
2014
- 2014-10-07 IN IN8306DEN2014 patent/IN2014DN08306A/en unknown
-
2016
- 2016-10-21 JP JP2016207224A patent/JP6394677B2/ja active Active
- 2016-11-28 US US15/362,148 patent/US10285127B2/en active Active
-
2018
- 2018-07-09 US US16/030,390 patent/US10278058B2/en active Active
- 2018-08-16 JP JP2018153249A patent/JP6708231B2/ja active Active
-
2019
- 2019-02-13 US US16/274,510 patent/US20190182653A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009521191A (ja) * | 2005-12-20 | 2009-05-28 | マイクロソフト コーポレーション | 無線ネットワークにおける近傍サービスの発見 |
JP2008219358A (ja) * | 2007-03-02 | 2008-09-18 | Sony Corp | 無線通信システム、無線通信装置及び無線通信方法、並びにコンピュータ・プログラム |
JP2011124980A (ja) | 2009-11-13 | 2011-06-23 | Sony Corp | 無線通信装置、無線通信システム、プログラム、および無線通信方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2838286A4 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112014006812B4 (de) | 2014-07-14 | 2023-06-15 | Mitsubishi Electric Corporation | Funkkommunikationssystem und Funkkommunikationsverfahren |
JP2016058917A (ja) * | 2014-09-10 | 2016-04-21 | セイコーエプソン株式会社 | 映像表示システム、映像表示システムを構成する映像送信装置と映像受信表示装置との間の映像無線伝送規格に従った接続方法、コンピュータープログラム、映像送信装置、映像受信表示装置 |
WO2019124086A1 (ja) * | 2017-12-20 | 2019-06-27 | ソニー株式会社 | 情報処理装置、情報処理方法、情報処理システム、並びにプログラム |
US11812348B2 (en) | 2017-12-20 | 2023-11-07 | Sony Corporation | Information processing device, information processing method, and information processing system |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6036812B2 (ja) | 無線通信装置、通信システムおよび通信方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13776298 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2014510078 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2013776298 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2867799 Country of ref document: CA |
|
ENP | Entry into the national phase |
Ref document number: 2013247949 Country of ref document: AU Date of ref document: 20130307 Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20147027527 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14390631 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2014140315 Country of ref document: RU Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: MX/A/2014/012043 Country of ref document: MX |
|
WWE | Wipo information: entry into national phase |
Ref document number: IDP00201406076 Country of ref document: ID |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112014024954 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 112014024954 Country of ref document: BR Kind code of ref document: A2 Effective date: 20141006 |