WO2013174246A1 - 一种终端的搜索方法和装置 - Google Patents
一种终端的搜索方法和装置 Download PDFInfo
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- WO2013174246A1 WO2013174246A1 PCT/CN2013/075924 CN2013075924W WO2013174246A1 WO 2013174246 A1 WO2013174246 A1 WO 2013174246A1 CN 2013075924 W CN2013075924 W CN 2013075924W WO 2013174246 A1 WO2013174246 A1 WO 2013174246A1
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- Prior art keywords
- application identifier
- application
- target
- receiving end
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- 238000000034 method Methods 0.000 title claims abstract description 91
- 230000004044 response Effects 0.000 claims description 55
- 238000004891 communication Methods 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 32
- 230000008569 process Effects 0.000 description 31
- 238000010586 diagram Methods 0.000 description 19
- 230000003993 interaction Effects 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000003672 processing method Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003997 social interaction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/903—Querying
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
-
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
Definitions
- the present invention relates to the field of wireless communication technologies, and in particular, to a terminal search method and apparatus.
- the Wi-Fi Direct (Wireless Fidelity Direct) standard allows devices on a wireless network to connect to each other without using a wireless router. Similar to Bluetooth technology, this standard allows wireless devices to be interconnected in a peer-to-peer fashion, but In terms of transmission speed and transmission distance, it is greatly improved than Bluetooth technology.
- the Wi-Fi Direct standard targets a wide range of Wi_Fi (Wireless Fidelity) devices, from computers to mobile phones to computer peripherals to home appliances. Devices that comply with this standard can easily connect directly to other devices, transfer data, or share applications without the need for hotspots and routers.
- Wi-Fi Direct can support a pair of connected devices, and multiple devices can be connected at the same time, and the Wi_Fi Direct standard will support all Wi_Fi devices, from lla/b/g to lln, between different standard Wi-Fi devices. It can also be directly connected.
- the Bluetooth SIG officially promulgates a new generation of standard specifications
- Bluetooth Core Specification Version 3.0 High Speed a new alternate RF technology that allows the Bluetooth protocol to dynamically select the correct RF for any task. Transferring large amounts of data at high speed via Bluetooth 3.0 will naturally consume more energy. However, due to the introduction of Enhanced Power Control (EPC) mechanism and 802.11, the actual idle power consumption will be significantly reduced, which can be easily used for VCRs to HDTVs and computers. Data transfer between PMP (Portable Media Player, Media Player), UMPC (Ultra-mobile Personal Computer) and printer.
- EPC Enhanced Power Control
- LBS Location Based Serv i ce, location-based services
- GPS Global System for Mobile Communications
- LBS server support If the terminal does not rely on the support of the LBS server, it cannot search for other terminals running the same application in the local scope or in the vicinity (within Bluetooth or Wi-F i range), so that it cannot be implemented in the local area or in the vicinity. Data interaction between the terminals.
- An embodiment of the present invention provides a terminal search method and device, which can implement a targeted search for other terminals running the same application or service without the support of the LBS server, thereby realizing Mobile data interaction.
- a terminal search method includes:
- a target receiving end is determined from the candidate receiving end to establish a connection with the target receiving end to establish a target application.
- a terminal search method includes:
- a sender including an application registration service module, specifically includes:
- An obtaining unit configured to obtain an application identifier
- a broadcast unit configured to broadcast, to the receiving end, a broadcast frame carrying the identifier of the application
- a receiving unit configured to receive a target application identifier sent by the candidate receiving end a message that the target application identifier is selected by the candidate receiving end from the application identifier;
- a processing unit configured to determine, from the candidate receiving end, a target receiving end, so as to establish a connection with the target receiving end to establish a target application.
- a receiving end including an application registration service module, specifically includes:
- a receiving unit configured to receive a broadcast frame that carries an application identifier broadcasted by the sender
- a searching unit configured to determine a target application identifier in the application identifier, where the target application identifier corresponding to the application is in a running state at the receiving end;
- a sending unit configured to send, to the sending end, a message carrying the target application identifier, so as to establish a connection with the sending end of the target application.
- a method and device for searching a terminal by acquiring an application identifier on a transmitting end, and transmitting a broadcast frame carrying the identifier of the application, the receiving end receives the broadcast frame, and receiving the broadcast frame Searching for the same application corresponding to the application identifier in the broadcast frame in the application on the end, and the same application is in the running state on the receiving end, and the same application identifier is the target
- the sender receives a message that is sent by the candidate receiving end and carries a respective target application identifier, and determines a target receiving end from the candidate receiving end, where the sending end establishes a location with the target receiving end The connection to the target application.
- the embodiment of the present invention solves the problem that the terminal in the prior art cannot search for other terminals running the same application in the local scope or in the adjacent area (within the range of Bluetooth or Wi-F i) without relying on the support of the LBS server.
- the problem is that the terminal can search for other terminals running the same application or service without the LBS server, thereby realizing the mobile data interaction between the terminals.
- FIG. 1 is a flowchart of a method for searching a terminal according to Embodiment 1 of the present invention
- FIG. 2 is a flowchart of a method for searching for a terminal according to Embodiment 1 of the present invention
- FIG. 4 is a flowchart of a method for searching a terminal according to Embodiment 2 of the present invention
- 5 is a schematic diagram of a format of a probe request frame according to Embodiment 2 of the present invention
- FIG. 6 is a structural diagram of an application identifier element in a probe request frame according to Embodiment 2 of the present invention
- FIG. 7 is a schematic diagram of content included in an application identifier structure in a probe request frame according to Embodiment 2 of the present invention.
- FIG. 8 is a structural diagram of an extended application identifier result in a probe response frame according to Embodiment 2 of the present invention.
- FIG. 9 is a schematic diagram of content included in an extended application identifier matching result structure in a probe response frame according to Embodiment 2 of the present invention.
- FIG. 10 is a flowchart of another method for searching a terminal according to Embodiment 2 of the present invention
- FIG. 11 is a flowchart of still another method for searching for a terminal according to Embodiment 2 of the present invention
- FIG. 13 is a structural diagram of a transmitting end according to Embodiment 3 of the present invention
- FIG. 14 is a structural diagram of another transmitting end according to Embodiment 3 of the present invention.
- FIG. 15 is a structural diagram of still another transmitting end according to Embodiment 3 of the present invention.
- FIG. 16 is a structural diagram of still another transmitting end according to Embodiment 3 of the present invention.
- FIG. 17 is a structural diagram of still another transmitting end according to Embodiment 3 of the present invention
- FIG. 18 is a structural diagram of still another transmitting end according to Embodiment 3 of the present invention
- a structural diagram of the receiving end
- FIG. 20 is a structural diagram of another receiving end according to Embodiment 3 of the present invention.
- FIG. 21 is a structural diagram of still another receiving end according to Embodiment 3 of the present invention.
- FIG. 22 is a structural diagram of still another receiving end according to Embodiment 3 of the present invention.
- FIG. 23 is a structural diagram of still another receiving end according to Embodiment 3 of the present invention.
- FIG. 24 is a structural diagram of a searching unit in a receiving end according to Embodiment 3 of the present invention.
- Example 1 An embodiment of the present invention provides a method for searching a terminal. As shown in FIG. 1, the method includes the following steps:
- a method for searching for a terminal is provided by the embodiment of the present invention, and the broadcaster frame carrying the identifier of the application is broadcast to the receiving end, and the transmitting end receives the bearer sent by the candidate receiving end.
- a message of the respective target application identifier, the target application identifier is selected by the candidate receiving end from the application identifier, and the sending end determines a target receiving end from the candidate receiving end, so as to The target receiving end establishes a connection of the target application.
- the embodiment of the invention solves the problem that the terminal cannot search for other terminals running the same application in the local scope or in the adjacent area (within the range of Bluetooth or Wi-F i) without relying on the support of the LBS server.
- the terminal can search for other terminals running the same application or service without the support of the LBS server, thereby realizing the mobile data interaction between the terminals.
- An embodiment of the present invention provides another method for searching for a terminal. As shown in FIG. 2, the method includes the following steps:
- the method for searching for a terminal provided by the embodiment of the present invention, the receiving end receives the broadcast frame carrying the application identifier broadcasted by the sending end, and determines the target application identifier in the application identifier, the target application identifier The corresponding application is in a running state at the receiving end, and then sent to the sending end to carry the target application identifier a message to identify a connection with the sender to the target application.
- the embodiment of the present invention solves the problem that the terminal cannot search for other terminals running the same application in the local area or in the adjacent area (in the range of Bluetooth or Wi-Fi) without relying on the support of the LBS server in the prior art. In the case that the terminal does not have the support of the LBS server, the terminal can search for other terminals running the same application or service in a targeted manner, thereby realizing the mobile data interaction between the terminals.
- FIG. 3 it is an example of a scenario in which a Wi-Fi device is found in the present invention, for example, on a bus, a subway, a train station, a shuttle bus, a shopping mall, a bank, a hospital, a school, a company, and any crowd.
- the user takes out his mobile phone (terminal A), turns on Wi-Fi, launches a game/social application, and the mobile phone screen automatically displays the terminal (mobile/pad) that is also playing the same game/same social application nearby.
- Users can choose to connect to a stranger via Wi-Fi to connect to a game, join a multiplayer game that is fighting, or meet some friends through social apps.
- the embodiment of the present invention provides a search method for a terminal, and the social application (social application) is a method for supporting an application (application) of an application/service type discovery, and can be implemented by an application/service type discovery.
- Data interaction Add a Wi-Fi App Register Client (Wa-W App Register Client) to the social application, and add a Wi-Fi application to the Wi-Fi module/Wi-Fi driver of the terminal.
- Registration server Wi-Fi App Register Server, written as WAR-S).
- a first application identification list is stored in the WAR-S in the sending end, and the application corresponding to each application identifier in the first application identification list is in an operating state.
- the application when an application is started, the application automatically registers the application identifier and the process identifier corresponding to the application to the first application identifier list of the sending end by using the WAR-C of the sending end. ;
- the user manually triggers and registers the application identifier and the process identifier corresponding to the application to the first application identifier list of the sender through the WAR-C of the sender.
- the WAR-S returns a corresponding application registration success message to the WAR-C.
- the receiving end also saves the first application identification list in the WAR-S of the receiving end, and the application corresponding to each application identifier in the first application identification list of the receiving end is in a running state.
- the registration of the application identifier in the first application identifier list of the receiving end is the same as that in the first application identifier list of the sending end, and details are not described herein again.
- the first application identifier list in the sending end and the receiving end is a dynamic table, and is dynamically updated according to the startup of the application.
- the sending end broadcasts a broadcast frame carrying the identifier of the application.
- the broadcast frame that includes all the application identifiers in the first program identifier list is actively sent, where the broadcast frame may be specifically In order to probe the request frame (Probe Reque st ), and the probe request frame periodically performs transmission, and the specified number is continuously transmitted in each cycle, so as to find as many terminals as possible running the same application in the periphery.
- the broadcast frame may be specifically In order to probe the request frame (Probe Reque st )
- the probe request frame periodically performs transmission, and the specified number is continuously transmitted in each cycle, so as to find as many terminals as possible running the same application in the periphery.
- the format of the probe request frame includes a sequence number of an application in a probe request frame, corresponding to an application identifier and an application identifier element; as shown in FIG. 6, an application identifier element Structure, including application identification element number, length, and application identification structure; as shown in Figure 7, is a schematic diagram of the content contained in the application identification structure, including manufacturer information, application name, and application version number.
- the receiving end receives the broadcast frame carrying the application identifier.
- the receiving end After receiving the probe request frame, the receiving end parses the application identifier therein, and queries whether the same application identifier exists in the first application identifier list of the local end, and the same application identifier is the target application. Program identification.
- the broadcast frame response message may specifically be a probe response frame (Pr obe Response), which carries an identifier that the application matches successfully.
- Pr obe Response a probe response frame
- an application is extended in the probe response frame.
- the structure of the identification result is the content diagram of the application identification matching result structure, where 0 and 1 indicate the matching result, 1 indicates the same application, the matching is successful, 0 indicates the different application, matching unsuccessful.
- the receiving end notifies the target application of the local end that there is a list of terminals running the same application.
- no response frame is returned when it is found that the target application identity is not present.
- the sending end receives a broadcast frame response message carrying the target application identifier.
- the transmitting end receives the broadcast frame response message sent by all the candidate receiving ends, and notifies the target application of the local end, and has a list of terminals running the same application nearby, so that the sending end is in the candidate receiving end. Select the destination receiver.
- the user selects a target receiving end from the candidate receiving ends, or the target application automatically selects a target receiving end from the candidate receiving ends.
- the sending end sends, to the target receiving end, a connection request message that carries the target application identifier, to trigger a connection with the target receiving end to establish the target application.
- receive a connection request message that is sent by the sending end and that carries the target application identifier.
- the target receiving end receives the connection request message that is sent by the sending end and carries the target application identifier, and after the connection is successfully established, the target application of the two terminals may perform an online service operation.
- the embodiment further provides a method for the user to manually stop searching for the terminal. If the user finds that the terminal with the same application identifier is not found after a certain period of time, or has searched for enough, the same existence exists in a short time.
- the application identifies the terminal
- the user can send the corresponding process identifier of the application to the sender by pressing the "Stop" button or sending an instruction similar to stopping the search terminal, and the WAR-C in the sender stops searching for the application.
- the WAR-S the application identifier of the stop search is deleted in the first application identifier list, and the application identifier for stopping the search is no longer carried in the corresponding probe request frame.
- the embodiment further provides a processing method for keeping alive and logout between the WAR-C and the WAR-S in the terminal.
- the WAR-S in the terminal sets a corresponding timer for each application, and when the time specified by the timer is reached, the terminal has not been received yet.
- the WAR-C sends the keep-alive message corresponding to the application, the application is considered to be terminated unexpectedly, and the related information of the application in the first application identifier list is deleted.
- the WAR-C in the terminal starts sending a keep-alive message to the WAR-S, and the WAR-S returns a response message for the keep-alive message.
- the WAR-C in the terminal initiates a logout request to the WAR-S, and the request carries the process identifier corresponding to the application to inform the terminal.
- the WAR-S deletes information about the application described in the first application identification list. After receiving the logout request, the WAR-S deletes the related information of the application in the first application identifier list, and returns a logout success response.
- the above method uses Wi-Fi as the bearer protocol for the discovery and subsequent data transmission of the application, and can also be carried by using Bluetooth (Bluetooth), wherein the flow is basically the same as the process under the Wi-Fi bearer mode.
- Bluetooth Bluetooth
- the difference is mainly that the extension module in the Social APP is BAR-C (Bluetooth Application Register Client, Bluetooth).
- the application registration client), the extension module in the Bluetooth module/driver is BAR-S (Bluetooth Application Register Server).
- the ⁇ discovery process needs to extend the LMP (Link Management Protocol) in the Bluetooth protocol, for example, carrying the application identifier in the sending LMP.host -connect ion_ request, and sending the LMP -Accepted (Received response frame) carries the target application's tab, and Bluetooth Personal PIN (Personal Identification Number), for subsequent Bluetooth connection, BAR in the Bluetooth module -S can be paired directly using the parsed PIN code, eliminating the need to manually enter the PIN code.
- LMP Link Management Protocol
- BAR in the Bluetooth module -S can be paired directly using the parsed PIN code, eliminating the need to manually enter the PIN code.
- the embodiment of the present invention further provides a terminal searching method, which can be applied to an existing/legacy application (legacy APP) discovery process, where the existing application is an application that does not support social functions by itself.
- the embodiments of the present invention can also implement the function of social interaction in the neighborhood for existing applications.
- Wi-Fi application registration server Wi-Wo App Register Server, WAR-S
- WAR-S Wi-Fi application registration server
- each application identification in the second application identification list is provided with a status flag, the status flag is used to indicate whether the application is running or stationary status.
- the user manually triggers to register some application identifiers that are expected to perform data interaction to the second application identifier list of the terminal, or, when the terminal is shipped from the factory, some applications that want to perform data interaction are pre-wired by the manufacturer. Identifying a second application identifier list registered to the terminal, and the status flag corresponding to the application identifier defaults to a static state (Inactive), where the static state means that the application is not in a running state .
- the WAR-S of the terminal polls the process manager of the terminal operating system, and queries whether the current application in the current system of the terminal has the same application as the second application identifier list of the terminal, and if so, And setting a status flag corresponding to the same application in the second application identifier list to an active state, and recording, in the second application identifier list, a process identifier corresponding to the application.
- the second application identifier list is a dynamic table, and is dynamically updated according to the registration and startup of the application.
- the user actively triggers a device search, and the sender receives a discovery instruction that the user finds the target application, and the instruction carries the process identifier corresponding to the target application that needs to be found. And determining, by the sending end, whether the target application is present in the second application identifier list according to the process identifier, if yes, the sending end sends a broadcast frame carrying the target application identifier.
- the sending end broadcasts a broadcast frame carrying an application identifier whose status flag is a running status.
- the broadcast frame may specifically be a probe request frame, the probe request frame may perform transmission periodically, and a specified number may be continuously transmitted in each cycle, so as to find as many terminals as possible running the same application.
- the format of the probe request frame is as shown in FIGS. 5, 6, and 7.
- the receiving end receives a broadcast frame carrying an application identifier whose status flag is a running status.
- the transmitting end sends a broadcast frame
- at least one candidate receiving end receives the broadcast frame
- the specific operation of the candidate receiving end after receiving the broadcast frame is as shown in steps 404-405.
- the receiving end After receiving the probe request frame, the receiving end parses the target application identifier, and queries whether the target application identifier exists in the second application identifier list of the local end, and the target application identifier corresponds to The status flag is taken as the running status.
- the target application identifier When the target application identifier is queried, send a broadcast frame response message carrying the target application identifier to the sending end.
- the broadcast frame response message is specifically a probe response frame, and its format is as shown in FIGS.
- the receiving end At the same time, notifies the target application of the local end that there is a list of terminals running the same application.
- no response frame is returned when it is found that the target application identity is not present.
- the sending end receives a broadcast frame response message carrying the target application identifier.
- the sending end After receiving the probe response frame sent by all the candidate receiving ends, the sending end notifies the local end that there is a list of terminals running the same application in the vicinity of the target application, so that the sending end selects among the candidate receiving ends.
- Target receiver After receiving the probe response frame sent by all the candidate receiving ends, the sending end notifies the local end that there is a list of terminals running the same application in the vicinity of the target application, so that the sending end selects among the candidate receiving ends.
- Target receiver After receiving the probe response frame sent by all the candidate receiving ends, the sending end notifies the local end that there is a list of terminals running the same application in the vicinity of the target application, so that the sending end selects among the candidate receiving ends.
- the user selects a target receiving end from the candidate receiving ends, or the target application automatically selects a target receiving end from the candidate receiving ends.
- the sending end sends, to the target receiving end, a connection request message that carries the target application identifier, to trigger a connection with the target receiving end to establish the target application.
- the target receiving end receives the connection request message that is sent by the sending end and carries the target application identifier, and after the connection is successfully established, the target application of the two terminals may perform an online service operation.
- the embodiment further provides a method for the user to manually stop searching for the terminal. If the user finds that the terminal with the target application identifier is not found after a period of time, or has searched for enough existing target applications in a short time.
- the user may send a corresponding process identifier of the target application to be stopped to the WAR-S in the sending end by pressing the "Stop," key or send an instruction similar to stopping the search terminal, the The target application related information for stopping the search is deleted in the second application identification list.
- the embodiment further provides a processing method for the application to keep and log off in the terminal.
- the end The WAR-S in the terminal sets a corresponding timer for each application, and when the time specified by the timer is reached, the keep-alive message corresponding to the application sent by the process manager in the terminal has not been received. And the application is considered to be terminated unexpectedly, and the related information of the application in the second application identifier list is deleted.
- the process manager in the terminal starts sending a keep-alive message to the WAR-S, and the WAR-S returns a response message for the keep-alive message.
- the process manager in the terminal When the application is closed/exited, or when the user manually terminates the application discovery, the process manager in the terminal initiates a logout request to the WAR-S, and the request carries the process identifier corresponding to the application to notify the terminal.
- the WAR-S deletes related information of the application in the second application identifier list. After receiving the logout request, the WAR-S deletes the related information of the application in the application identifier list, and returns a logout success response.
- This embodiment can also use Bluetooth as a bearer protocol for application discovery and subsequent data interaction.
- the embodiment of the present invention further provides a search method for a terminal.
- Soc i a l APP that is, a method for supporting an application/service type discovery application
- social functions can be implemented through application/service type discovery.
- the Wi-F i application registration client WAR-C is added, and the Wi-F i application registration server WAR-S is added to the terminal's Wi-F i module/Wi-F i driver.
- a third application identifier list is saved in the WAR-S in the sending end, and the application corresponding to each application identifier in the third application identifier list is in a running state, and the third application identifier list is in the list. At least one application identifier is provided with an active announcement flag.
- the application When an application is started, the application automatically registers the application identifier, the active announcement flag corresponding to the application identifier, and the process identifier corresponding to the application by the WAR-C of the sender. Go to the third application identification list of the sender;
- the user manually triggers and registers the application identifier, the active announcement flag corresponding to the application identifier, and the process identifier corresponding to the application to the WAR-C of the sender.
- the third application identifier list in the sender is a list in the sender.
- the WAR-S of the sender returns a message indicating that the application is successfully registered to the WAR-C of the sender.
- the receiving end also saves the third application identification list in the WAR-S of the receiving end, and the application corresponding to each application identifier in the third application identification list of the receiving end is in a running state.
- the third application identifier list is a dynamic table, and is dynamically updated according to the registration and startup of the application.
- the specific steps are as follows: 501. Obtain an application identifier with an active announcement flag from the third application identifier list saved by the sending end.
- the sending end broadcasts a broadcast frame that carries the application identifier that is provided with the active announcement flag.
- the application identifier with the active announcement flag in the third application identifier list is sent from the broadcast frame to the receiver.
- the broadcast frame periodically performs transmission, and the specified number is continuously transmitted in each cycle, so as to find as many terminals as possible running the same application in the periphery.
- the format of the broadcast frame is the same as the format of the probe request frame shown in Figures 5, 6, and 7.
- the receiving end receives a broadcast frame that carries the application identifier that is provided with the active announcement flag.
- Steps 504-505 since the transmitting end sends a broadcast frame, at least one candidate receiving end receives the broadcast frame, and the specific operation of the candidate receiving end after receiving the broadcast frame is as follows: Steps 504-505.
- the receiving end After receiving the probe request frame, the receiving end parses the application identifier therein, and queries whether the same application identifier exists in the third application identifier list of the local end, and the same application identifier is the target application. Program identification.
- the receiving end notifies the target application of the local end, and there is a list of terminals running the same application nearby.
- the receiving end searches for a candidate application identifier that is the same as the application identifier in the third application identifier list of the receiving end, and sends the candidate application identifier to the sending end.
- the sending end After receiving the unicast frame that carries the candidate application identifier sent by the candidate receiving end, the sending end determines the target application identifier from the candidate application identifier, where the target application identifier is included in the third end of the sending end. Sending, in the application identifier list, a unicast frame response message carrying the target application identifier to the receiving end;
- the receiving end receives the unicast frame response message that is sent by the sending end and carries the target application identifier, and obtains the target application identifier.
- the sending end notifies the target application of the local end that there is a list of terminals running the same application nearby, so that the sending end can know that other terminals also run the same application.
- the format of the unicast frame is the same as the format of the probe request frame shown in FIG. 5, FIG. 6, and the format of the unicast response frame is the same as the format of the probe response frame shown in FIG.
- connection request message carrying the target application identifier is sent to the sender to establish a connection with the target terminal.
- the user selects a sending end from the terminal list, or the target application automatically selects a sending end from the terminal list, and sends a connection request message carrying the target application identifier to the sending end to perform connection. (eg, W i F i D ir ec t connection) to establish a connection with the sender to the target application.
- a connection request message carrying the target application identifier to the sending end to perform connection.
- the target application of the two terminals can perform online business operations.
- the embodiment may also adopt a method for the user to manually stop searching for the terminal. If the user finds that the terminal with the target application identifier is not found after a certain period of time, or has searched for enough existing target applications in a short time. When the terminal is identified, the user can press the "stop" button or send an instruction similar to stopping the search terminal.
- the WAR-C in the sending end stops sending the corresponding process identifier of the application to the WAR-S in the sending end, and the application identifier of the third application identifier list in the sending end is to stop searching. If the corresponding probe request frame is deleted, the application identifier for stopping the search will no longer be carried.
- the embodiment further provides a processing method for keeping alive and logout between the WAR-C and the WAR-S in the terminal.
- the WAR-S in the terminal sets a corresponding timer for each application, and when the time specified by the timer is reached, the terminal has not been received yet.
- the WAR-C sends the keep-alive message corresponding to the application, the application is considered to be terminated unexpectedly, and the related information of the application in the third application identifier list is deleted.
- the WAR-C in the terminal starts sending a keep-alive message to the WAR-S, and the WAR-S returns a response message for the keep-alive message.
- the WAR-C in the terminal initiates a logout request to the WAR-S, and the request carries the process identifier corresponding to the application to inform the terminal.
- the WAR-S deletes information about the application described in the third application identification list. After receiving the logout request, the WAR-S deletes the related information of the application in the first application identifier list, and returns a logout success response.
- the embodiment of the present invention further provides a terminal searching method, which is applied to an existing/legacy application (legacy APP) discovery process, where the existing application is an application that does not support social functions, and the present invention Embodiments may also implement the functionality of social proximity in the neighborhood for existing applications.
- a terminal searching method which is applied to an existing/legacy application (legacy APP) discovery process, where the existing application is an application that does not support social functions, and the present invention Embodiments may also implement the functionality of social proximity in the neighborhood for existing applications.
- a fourth application identifier list where each application identifier in the fourth application identifier list is provided with a status flag, where the status flag is used to indicate whether the application is in a running state or still The state, the at least one application identifier in the fourth application identifier list is provided with an active announcement flag.
- the user manually triggers to register some application identifiers that are expected to perform data interaction to the fourth application identifier list of the terminal, or, when the terminal is shipped from the factory, some applications that want to perform data interaction are preset by the manufacturer. Identifying and an active announcement flag corresponding to the application identifier is registered to a fourth application identifier column of the terminal In the table, the status flag corresponding to the application identifier defaults to a static state.
- the quiescent state means that the application is not in an operating state.
- the WAR-S of the terminal polls the process manager of the terminal operating system, and queries whether the current application in the current system of the terminal has the same application as the fourth application identifier list of the terminal, and if so, And setting a status flag corresponding to the same application in the fourth application identifier list to an operating state (Ac ti ve ), and recording, in the fourth application identifier list, the application corresponding to the application Process ID.
- the fourth application identifier list is a dynamic table, and is dynamically updated according to the registration and startup of the application.
- the sending end broadcasts a broadcast frame that carries the application identifier that is provided with an active announcement flag and whose status flag is a running status.
- the broadcast frame may specifically be a probe request frame, the probe request frame may perform transmission periodically, and a specified number may be continuously transmitted in each cycle, so as to find as many terminals as possible running the same application.
- the format of the probe request frame is as shown in FIGS. 5, 6, and 7.
- the receiving end receives a broadcast frame that carries the application identifier that is provided with an active announcement flag and whose status flag is a running state.
- the transmitting end sends a broadcast frame
- at least one candidate receiving end receives the broadcast frame
- the specific operation of the candidate receiving end after receiving the broadcast frame is as shown in steps 604-605.
- the receiving end After receiving the probe request frame, the receiving end parses the application identifier therein, and queries whether the same application identifier exists in the fourth application identifier list of the local end, and the same application identifier is the target application. Program identification. At the same time, the receiving end notifies the target application of the local end, and there is a list of terminals running the same application nearby.
- the receiving end after receiving the broadcast frame, the receiving end searches for the candidate application identifier that is the same as the application identifier in the fourth application identifier list, and sends the bearer to the sending end. a unicast frame identified by the candidate application;
- the sending end After receiving the unicast frame that carries the candidate application identifier sent by the candidate receiving end, the sending end determines the target application identifier from the candidate application identifier, where the target application identifier is included in the fourth end of the sending end. Sending, in the application identifier list, a unicast frame response message carrying the target application identifier to the receiving end;
- the receiving end receives the unicast frame response message that is sent by the sending end and carries the target application identifier, and obtains the target application identifier.
- the sending end notifies the target application of the local end that there is a list of terminals running the same application nearby, so that the sending end can know that other terminals also run the same application.
- the format of the unicast frame is the same as the format of the probe request frame shown in FIG. 5, FIG. 6, and the format of the unicast response frame is the same as the format of the probe response frame shown in FIG.
- the user selects a sending end from the terminal list, or the target application automatically selects a sending end from the terminal list, and sends a connection request message carrying the target application identifier to the sending end to perform connection. And triggering a connection with the sending end to establish the target application.
- the target application of the two terminals can perform online business operations.
- the embodiment may also adopt a method for the user to manually stop the terminal search. If the user finds that the terminal with the target application identifier is not found after a certain period of time, or has searched for enough existing target applications in a short time. When identifying the terminal, use The user can send the corresponding process identifier of the application to be stopped to the WAR-S in the sending end by pressing the "Stop," key or send an instruction similar to stopping the search terminal, and the corresponding probe request frame will be The application identifier that stops the discovery is no longer carried.
- the embodiment further provides a processing method for the application to keep and log off in the terminal.
- the WAR-S in the terminal sets a corresponding timer for each application, and when the time specified by the timer is reached, the terminal has not been received yet.
- the process manager sends a keep-alive message corresponding to the application, the application is considered to be terminated unexpectedly, and the related information of the application in the fourth application identifier list is deleted.
- the process manager in the terminal starts sending a keep-alive message to the WAR-S, and the WAR-S returns a response message for the keep-alive message.
- the process manager in the terminal When the application is closed/exited, or when the user manually terminates the application discovery, the process manager in the terminal initiates a logout request to the WAR-S, and the request carries the process identifier corresponding to the application to notify the terminal.
- the WAR-S deletes related information of the application in the fourth application identifier list. After receiving the logout request, the WAR-S deletes the related information of the application in the application identifier list and returns a logout success response.
- the embodiment of the present invention provides a transmitting end, as shown in FIG. 13 , and includes an application registration service module, where the sending end specifically includes an obtaining unit 21, a broadcasting unit 22, a receiving unit 23, and a processing unit 24.
- the obtaining unit 21 is configured to acquire an application identifier.
- the broadcast unit 22 is configured to broadcast, to the receiving end, a broadcast frame carrying the application identifier
- the receiving unit 23 is configured to receive a message that is sent by the candidate receiving end and that carries the target application identifier, where the target application identifier is selected by the candidate receiving end from the application identifier.
- the processing unit 24 is configured to determine, from the candidate receiving end, a target receiving end, so as to establish a connection with the target receiving end to establish a target application.
- An embodiment of the present invention provides a sending end, which acquires an application identifier on a sending end. And transmitting, to the receiving end, a broadcast frame carrying the identifier of the application, where the sending end receives a message that is sent by the candidate receiving end and carries a respective target application identifier, where the target application identifier is received by the candidate
- the terminal is selected from the application identifiers, and the transmitting end determines a target receiving end from the candidate receiving ends to establish a connection with the target receiving end to the target application.
- the embodiment of the invention solves the problem that the terminal cannot search for other terminals running the same application in the local scope or in the adjacent area (within the range of Bluetooth or Wi-F i) without relying on the support of the LBS server. Without the support of the LBS server, it is possible to search for other terminals running the same application or service in a targeted manner, thereby realizing mobile data interaction between terminals.
- the sending end further includes a first storage unit 31.
- the first storage unit is configured to save the first application identifier list, where the application programs corresponding to the respective application identifiers in the first application identifier list are in an running state.
- the obtaining unit is specifically configured to obtain an application identifier from the first application identifier list saved by the sending end.
- the receiving unit is specifically configured to receive a broadcast frame response message that is sent by the candidate receiving end and that carries the target application identifier.
- the sending end further includes a sending unit 32, configured to send, to the target receiving end, a connection request message carrying the target application identifier to trigger a connection with the target receiving end to establish the target application.
- the sending end further includes a second storage unit 33, configured to save a second application identifier list, where each application identifier in the second application identifier list is in a state a flag indicating whether the application is in a running state or a stationary state;
- the obtaining unit is specifically configured to obtain, from the second application identifier list saved by the sending end, an application identifier whose status flag is a running status.
- the receiving unit is specifically configured to receive a broadcast frame response message that is sent by the candidate receiving end and that carries the target application identifier.
- the sending unit is configured to send, to the target receiving end, a connection request message carrying the target application identifier to trigger a connection with the target receiving end to establish the target application.
- the sending end further includes a third storage unit 4 1 , configured to save a third application identifier list, where each application identifier in the third application identifier list corresponds to The applications are all in an operational state, and at least one of the application identifiers in the third application identification list is provided with an active announcement flag.
- the obtaining unit is specifically configured to obtain, from the third application identifier list saved by the sending end, an application identifier with an active announcement flag.
- the receiving unit is specifically configured to receive a connection request message that is sent by the candidate receiving end and carries the target application identifier.
- the sending end further includes:
- the unicast frame receiving unit 42 is configured to receive a unicast frame that is sent by the candidate receiving end and carries the candidate application identifier.
- a determining unit 4 configured to determine, from the candidate application identifier, a target application identifier, where the target application identifier is included in the third application identifier list, or included in the fourth application list And the value of the status flag corresponding to the target application identifier is an operation status;
- the response message sending unit 44 is configured to send, to the candidate receiving end, a unicast frame response message carrying the target application identifier.
- the sending end further includes a fourth storage unit 45, configured to save a fourth application identifier list, where each application identifier in the fourth application identifier list is A status flag, the status flag is used to indicate whether the application is in a running state or a stationary state, and the at least one application identifier in the fourth application identification list is provided with an active announcement flag.
- a fourth storage unit 45 configured to save a fourth application identifier list, where each application identifier in the fourth application identifier list is A status flag, the status flag is used to indicate whether the application is in a running state or a stationary state, and the at least one application identifier in the fourth application identification list is provided with an active announcement flag.
- the obtaining unit is configured to obtain, from the fourth application identifier list saved by the sending end, an application identifier that is provided with an active announcement flag and whose status flag is a running state.
- the receiving unit is specifically configured to receive a connection request message that is sent by the candidate receiving end and carries the target application identifier.
- a unicast frame receiving unit configured to receive a unicast frame that is sent by the candidate receiving end and carries the candidate application identifier
- a determining unit configured to determine a target application target from the candidate application identifiers
- the target application identifier is included in the third application identifier list, or is included in the fourth application list, and the value of the status flag corresponding to the target application identifier is an running status
- a response message sending unit configured to send, to the candidate receiving end, a unicast frame response message carrying the target application identifier.
- the embodiment of the present invention further provides a receiving end, as shown in FIG. 19, including an application registration service module, where the receiving end specifically includes a receiving unit 5 1 , a searching unit 52 , and a sending unit 53 .
- the receiving unit 5 1 is configured to receive, by the sending end, a broadcast frame that carries an application identifier
- the searching unit 52 is configured to determine, in the application identifier, a target application identifier, where the application corresponding to the target application identifier is in an operating state at the receiving end, and the sending unit 53 is configured to send the carrying to the sending end. There is a message identified by the target application to establish a connection with the sender to the target application.
- a receiving end is provided by the receiving end, and the receiving end receives the broadcast frame carrying the application identifier broadcasted by the sending end, and determines the target application identifier in the application identifier, where the target application identifier corresponds to The application is in a running state at the receiving end, and then sends a message carrying the target application identifier to the sending end to establish a connection with the sending end of the target application.
- the embodiment of the present invention solves the problem that the terminal in the prior art cannot search for other terminals running the same application in the local scope or in the adjacent area (within the range of Bluetooth or Wi-F i) without relying on the support of the LBS server.
- the problem is that the terminal can search for other terminals running the same application or service without the support of the LBS server, thereby realizing the mobile data interaction between the terminals.
- the receiving end further includes a first storage unit 61.
- the first storage unit is configured to save the first application identifier list, where the application programs corresponding to the respective application identifiers in the first application identifier list are in an running state.
- the searching unit is specifically configured to search for the target application identifier that is the same as the application identifier in the first application list.
- the sending unit is specifically configured to send, to the sending end, the target application The broadcast frame response message identified by the program.
- the receiving unit is further configured to receive a connection request message that is sent by the sending end and that carries the target application identifier.
- the receiving end further includes a second storage unit 62, configured to save a second application identifier list, where each application identifier in the second application identifier list is in a state A flag indicating whether the application is in a running state or a stationary state.
- the searching unit is configured to search for the target application identifier that is the same as the application identifier in the second application identifier list, and the value of the status flag corresponding to the target application identifier is an running status.
- the sending unit is specifically configured to send, to the sending end, a broadcast frame response message carrying the target application identifier.
- the receiving unit is further configured to receive a connection request message that is sent by the sending end and that carries the target application identifier.
- the receiving end further includes a third storage unit 63, configured to save a third application identifier list, where the application identifier corresponding to each application identifier in the third application identifier list is All are in operation.
- the searching unit is specifically configured to search for the target application identifier that is the same as the application identifier in the third application identifier list.
- the sending unit is specifically configured to send, to the sending end, a connection request message carrying the target application identifier.
- the receiving end further includes a fourth storage unit 64.
- a status flag which is used to indicate whether the application is in a running state or a stationary state.
- the searching unit is configured to search for the target application identifier that is the same as the application identifier in the fourth application identifier list, and the value of the status flag corresponding to the target application identifier is an running status.
- the sending unit is specifically configured to send, to the sending end, a connection request message that carries the target application identifier.
- the searching unit in FIGS. 22 and 23, as shown in FIG. 24, further includes a searching module 71, a unicast frame sending module 72, and a response message receiving module 73.
- the searching module 71 is configured to search, in the third application identifier list, the candidate application identifier that is the same as the application identifier, or to search for the application in the fourth application identifier list. Identifying the same candidate application identifier, and the value of the status flag corresponding to the candidate application identifier is an running status;
- the unicast frame sending module 72 is configured to send, to the sending end, a unicast frame carrying the identifier of the candidate application;
- the response message receiving module 73 is configured to receive a unicast frame response message that is sent by the sending end and that carries the target application identifier, and obtain the target application identifier.
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Abstract
Description
Claims
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KR101785470B1 (ko) | 2017-10-26 |
EP2846562A1 (en) | 2015-03-11 |
EP2846562B1 (en) | 2020-06-24 |
JP2015522994A (ja) | 2015-08-06 |
US20150081823A1 (en) | 2015-03-19 |
CN103428630A (zh) | 2013-12-04 |
JP6140273B2 (ja) | 2017-05-31 |
EP2846562A4 (en) | 2015-04-15 |
MY189975A (en) | 2022-03-22 |
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