WO2013033999A1 - Procédé et appareil de transmission de données point à point de dispositif mobile - Google Patents

Procédé et appareil de transmission de données point à point de dispositif mobile Download PDF

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Publication number
WO2013033999A1
WO2013033999A1 PCT/CN2012/076043 CN2012076043W WO2013033999A1 WO 2013033999 A1 WO2013033999 A1 WO 2013033999A1 CN 2012076043 W CN2012076043 W CN 2012076043W WO 2013033999 A1 WO2013033999 A1 WO 2013033999A1
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WIPO (PCT)
Prior art keywords
mobile device
file
module
wifi connection
wifi
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PCT/CN2012/076043
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English (en)
Chinese (zh)
Inventor
罗航
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百度在线网络技术（北京）有限公司
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Publication of WO2013033999A1 publication Critical patent/WO2013033999A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals

Definitions

  • the present invention relates to the field of network communication technologies, and in particular, to a method and apparatus for point-to-point data transmission of a mobile terminal.
  • the in-memory file of the mobile device is a solidified form of data.
  • the most typical data transmission is file transmission.
  • the file transfer between existing mobile devices is mainly realized by Bluetooth technology, but the file transmission based on Bluetooth technology has the following defects:
  • the process of Bluetooth pairing is too cumbersome.
  • the Bluetooth pairing process one party needs to manually input the pairing code on the mobile device, and the other party inputs the same pairing code when connecting to establish a connection. This process requires manual intervention and is very inconvenient to use.
  • the effective distance of file transfer is short, and the connection is unstable.
  • the limitation of the effective distance of the Bluetooth signal is received.
  • the distance between the two mobile devices is within 10 meters and there is no solid occlusion in the middle.
  • Bluetooth transmission speed is generally KB level, and the performance can reach hundreds of KB, but such a speed to transmit large data files, such as audio and video files, will affect the performance of mobile devices for a long time.
  • the present invention provides a method and apparatus for point-to-point data transmission of a mobile device, thereby achieving the purpose of operation, increasing the effective distance, improving the stability of the connection, and increasing the data transmission speed.
  • the first mobile device sends, by using the WIFI connection, one or more files in the file discovery list to the second mobile device.
  • the default is in the client client mode
  • the second mobile device sends a pairing request carrying the authentication information to the first mobile device that is within the NFC effective distance.
  • a device for point-to-point data transmission of a mobile device comprising:
  • the flow control module is configured to be in the client client mode by default after the NFC module and the WIFI module are activated by the mobile device where the device is located; after being triggered by the user, enter the active master mode and wait for NFC pairing.
  • the device further includes: an authentication module and a file management module;
  • the mobile device receives, by the NFC module, a pairing request for carrying the authentication information sent by the another mobile device, and providing the authentication information to the authentication module, when triggered by the authentication module, to the another
  • the mobile device sends a WIFI connection parameter and a file discovery list
  • the authentication module is configured to perform authentication by using the authentication information, and if the authentication is passed, triggering the NFC module and the file management module;
  • the device further includes: a transmission control module
  • the transmission control module sends the one or more to the another mobile device a file transfer request of the file information, after receiving the file transfer confirmation response replied by the another mobile device, triggering the WIFI module to send the one or more files to the another mobile device by using the WIFI connection;
  • the WIFI connection parameters include: a WIFI network identifier and an IP base address.
  • the WIFI connection parameter further includes: a heartbeat detection interval; the device further includes: a heartbeat detection module, configured to perform heartbeat detection according to the heartbeat detection interval with the another mobile device during the file transmission process, and if the WIFI connection is detected to be disconnected, the file transmission is interrupted and triggered The WIFI module re-establishes the WIFI connection or terminates the file transfer.
  • a heartbeat detection module configured to perform heartbeat detection according to the heartbeat detection interval with the another mobile device during the file transmission process, and if the WIFI connection is detected to be disconnected, the file transmission is interrupted and triggered The WIFI module re-establishes the WIFI connection or terminates the file transfer.
  • a device for point-to-point data transmission of a mobile device comprising:
  • An NFC module configured to perform NFC pairing with another mobile device within an NFC effective distance, and receive the wireless broadband sent by the another mobile device during the NFC pairing process
  • a WIFI module configured to establish, by using the WIFI connection parameter with the another mobile device
  • a file transmission module configured to receive, by using the WIFI connection, one or more files in the file discovery list sent by the another mobile device.
  • the device further includes:
  • the process control module is configured to default to the client client mode after the mobile device where the device is located starts the NFC module and the WIFI module.
  • the NFC module sends a pairing request carrying the authentication information to the another mobile device, and receives a WIFI connection parameter and a file discovery list sent by the another mobile device.
  • the device further includes: a transmission control module
  • the transmission control module receives the inclusion device sent by the another mobile device. Transmitting, by the file transfer request of the one or more file information, the file response confirmation response to the another mobile device, triggering the WIFI module to receive the one or more of the another mobile device by using the WIFI connection Documents; or,
  • the transmission control module sends the one or the mobile device to the another mobile device a file transfer request of the plurality of file information, after receiving the file transfer confirmation response replied by the another mobile device, triggering the WIFI module to receive the one or more files sent by the another mobile device by using the WIFI connection .
  • the apparatus further includes: a permission transition module, configured to send a permission transition request including the permission transition information to the another mobile device after receiving the permission transition invitation sent by the another mobile device.
  • a permission transition module configured to send a permission transition request including the permission transition information to the another mobile device after receiving the permission transition invitation sent by the another mobile device.
  • the WIFI connection parameters include: a WIFI network identifier and an IP base address.
  • a heartbeat detection module configured to perform heartbeat detection according to the heartbeat detection interval with the another mobile device during the file transmission process, and if the WIFI connection is detected to be disconnected, the file transmission is interrupted and triggered The WIFI module re-establishes the WIFI connection or terminates the file transfer.
  • the present invention adopts the NFC technology to realize the pairing of two mobile terminals, and the entire pairing process does not require the user to input any pairing code, and the Bluetooth pairing is more convenient;
  • the WIFI connection is established after the NFC pairing is completed and based on WIFI connection for file transfer, the effective distance of WIFI connection is usually about 100 meters, and the connection is stable, and the transmission speed can reach 5 ⁇ 7MB/s, thus increasing the effective distance and improving the connection compared with the existing Bluetooth transmission. Stability and data transfer speed.
  • DRAWINGS 1 is a flowchart of a main method according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural diagram of an apparatus provided in a second mobile device according to Embodiment 4 of the present invention.
  • Figure 6 is a flow chart showing the execution of the device shown in Figure 5.
  • FIG. 1 is a flowchart of a main method according to Embodiment 1 of the present invention. As shown in FIG. 1, the method mainly includes the following steps:
  • Step 101 The first mobile device and the second mobile device perform NFC pairing when the NFC is within the effective distance, and the first mobile device sends the WIFI connection parameter and the file discovery list to the second mobile device during the NFC pairing process.
  • NFC is a short-range high-frequency wireless communication technology that allows non-contact point-to-point data transmission between electronic devices, which can be used for fast and active setting of wireless networks.
  • NFC is used to implement pairing between mobile devices.
  • the subsequent WIFI connection is actively set, that is, the WIFI connection parameters are exchanged.
  • the effective distance of the NFC is 10 cm. Within 10 cm, the NFC pairing can be done automatically without the user entering any pairing code.
  • an NFC pairing request can be sent by the second mobile device to the first mobile device. After receiving the NFC pairing request, the first mobile device sends a WIFI connection parameter to the second mobile device by using a pairing confirmation response.
  • the WIFI connection parameter includes at least: a WIFI network identifier (WIFI SSID) and an IP address information of the first mobile device, where the IP address information of the first mobile device may use an IP base address in the network segment, and may further include: channel information
  • WIFI SSID WIFI network identifier
  • channel information The heartbeat detection interval, the connection key, etc., will be described in detail in the subsequent embodiments.
  • Step 102 The first mobile device and the second mobile device establish a WIFI connection by using the WIFI connection parameter.
  • the second mobile device may send a WIFI connection request to the first mobile device, where the connection request may include: IP address information of the second mobile device, where the IP address information may be generally added by using the IP address.
  • the way to offset the address that is, the IP base address + offset.
  • the first mobile device After receiving the WIFI connection request, the first mobile device sends a WIFI connection confirmation response to the second mobile device.
  • Step 103 The first mobile device sends one or more files in the transmission file discovery list to the second mobile device by using the WIFI connection.
  • the effective range of WIFI connection is usually in the range of 100 meters.
  • the connection is stable and can fully meet the file transmission requirements between mobile devices.
  • mainstream WIFI chips support 802.11g, and the speed can reach 5 ⁇ 7MB/s, which is suitable for transmitting a large number of files.
  • the file transmission can be used but not limited to: WIFI ad-hoc technology or WIFI direct technology.
  • a heartbeat message is sent between the first mobile device and the second mobile device to determine whether the WIFI connection is disconnected. If the WIFI connection is disconnected, the file transmission may be terminated or the WIFI connection may be re-established.
  • Step 202 The mobile phone A receives the pairing request sent by the mobile phone B.
  • the mobile phone B in the client mode detects the mobile phone within the NFC effective distance for detection, that is, sends a pairing request. If phone A and phone B are within the NFC effective distance, then phone A will receive the pairing request sent by phone B.
  • the authentication mechanism can be pre-configured, and the identity of other mobile devices can be authenticated.
  • the whitelist or blacklist can be configured, or the account information or password information can be verified.
  • the process can be directly ended. If the user of the mobile phone A still wants to send the file to the user B, the user can manually change the configuration of the mobile phone A, for example, ⁇ ⁇ ⁇ white list or blacklist , making the mobile phone pass the authentication.
  • Step 204 The mobile phone generates a file discovery list, and sends a WIFI connection parameter and a file discovery list to the mobile phone B.
  • the mobile phone A can be triggered to perform a file discovery operation, and the file having the sharing authority can be found, and the file discovery list can be generated by the information of the file having the sharing permission, or the file with the sharing authority selected by the user can be selected. Information generation file discovery list.
  • the files are found in the prior art and will not be described here.
  • a file discovery list with different rights can be generated for different authentication identities.
  • the permission level can be pre-configured. After the authentication process is completed, the permission level of the mobile phone B can be determined, and then a file discovery list of the permission level is generated.
  • the WIFI connection parameters include at least: a WIFI network identifier and an IP address information of the mobile phone A.
  • the IP address information of the mobile phone A may be an IP base address in the network segment. It may further include at least one of the following: channel information, heartbeat detection interval, connection key, and the like.
  • Step 205 The mobile phone B sends a WIFI connection request to the mobile phone A.
  • the WIFI setup request includes the IP address information of the mobile phone B, and the IP address information may adopt the foregoing IP base address plus an offset address.
  • Step 207 The mobile phone B sends a file transfer request including one or more file information in the file discovery list to the mobile phone A.
  • Step 208 The mobile phone A determines whether the permission level of the mobile phone B matches one or more files included in the file transfer request. If yes, step 212 is performed; otherwise, step 209 is performed.
  • Step 211 The mobile phone A uses the permission transition information to determine whether the mobile phone B has transitioned successfully. If successful, proceed to step 212; otherwise, the process ends.
  • Step 212 The mobile phone A sends a file transmission confirmation response to the mobile phone B.
  • the user of the mobile phone B selects one or some files in the file discovery list, and may carry the selected file transmission request in step 207.
  • File information this way is the mobile phone B actively pulls the file from the mobile phone A.
  • the user of the mobile phone A selects to transfer one or some files in the file discovery list to the mobile phone B, and the above step 207 may be that the mobile phone A sends a file transmission request to the mobile phone B, and carries the selected file information; step 212 may be The mobile phone B sends a file transmission confirmation response to the mobile phone A. In this way, the mobile phone A actively pushes the file to the mobile phone B. In this case, it is not necessary to perform the permission transition process of steps 208 to 211.
  • the device structures provided in the first mobile device and the second mobile device will be described in detail below through Embodiment 3 and Embodiment 4, respectively.
  • FIG. 3 is a schematic structural diagram of an apparatus for setting a first mobile device according to Embodiment 3 of the present invention.
  • the device mainly includes: an NFC module 301, a WIFI module 302, and a file transmission module 303.
  • the NFC module 301 performs NFC pairing with another mobile device (i.e., the second mobile device in Embodiment 1) within the NFC effective distance, and transmits a WIFI connection parameter and a file discovery list to another mobile device during the NFC pairing process.
  • another mobile device i.e., the second mobile device in Embodiment 1
  • the WIFI module 302 establishes a WIFI connection with another mobile device using WIFI connection parameters.
  • File transfer module 303 sends a file discovery column to another mobile device using a WIFI connection One or more files in the table.
  • the device may further include: a flow control module 305.
  • the flow control module 305 is responsible for controlling the mode in which the mobile device is located. In particular, after the mobile device where the device is located, the NFC module 301 and the WIFI module 302 are activated, the default is in the client mode; after being triggered by the user, the process is entered into the master mode. , waiting for NFC pairing. Usually in client mode, it will actively send pairing requests to other mobile devices that are within the NFC effective distance, while in master mode, other mobile devices that are within the NFC effective distance will send pairing requests to them.
  • an authentication process may be introduced in the pairing process.
  • the device may further include: a file management module 304 and an authentication module 306.
  • the NFC module 301 receives the pairing request for carrying the authentication information sent by the other mobile device, and provides the authentication information to the authentication module 306. When triggered by the authentication module 306, the WIFI connection parameter and the file discovery are sent to another mobile device. List.
  • the authentication module 306 authenticates using the authentication information provided by the NFC module 301, and if the authentication passes, triggers the NFC module 301 and the file management module 304.
  • the file management module 304 when used to be triggered, generates a file discovery list. Specifically, after the authentication is passed, the file management module 304 may be triggered to perform a file discovery operation, discover files having sharing rights, and generate file discovery lists by using the file information with the sharing rights, or may share the user with the sharing rights. The file information generates a file discovery list.
  • the authentication mechanism may be configured in the authentication module 306 to perform identity authentication on the paired mobile devices, for example, by configuring a whitelist or a blacklist, or by verifying the account information or password.
  • the way information is.
  • the privilege level can be pre-configured. After the authentication process is completed, the privilege level of the mobile phone B can be determined, and then a file discovery list of the privilege level is generated.
  • the device further includes: a transmission control module 309, which is specifically as follows:
  • the transmission control module 309 sends a file transmission request including one or more file information to another mobile device, and receives another file. After a file transmission confirmation response replied by the mobile device, the trigger WIFI module 302 transmits one or more files to another mobile device using the WIFI connection.
  • the transmission control module 309 receives a file transfer request sent by another mobile device that includes one or more file information. After replying to the file transfer confirmation response to another mobile device, the trigger WIFI module 302 transmits one or more files to another mobile device using the WIFI connection.
  • the transmission control module 309 can be a module that uses wireless transmission technologies such as infrared and WIFI, and can be the WIFI module 302.
  • the device further includes: a permission transition module 307, configured to determine, after the transmission control module 309 receives the file transfer request including one or more file information, whether the permission level of the other mobile device matches one or more files, if Yes, the trigger transmission control module 309 replies to the other mobile device with a file transfer confirmation response; otherwise, sends the permission to another mobile device.
  • the transition invitation receives a permission transition request including permission transition information sent by another mobile device, and uses the permission transition information to determine whether the other mobile device transitions successfully. If yes, the trigger transmission control module 309 returns a file transmission confirmation response to another mobile device. .
  • Each file in the mobile device where the device is located may be configured with a privilege level requirement, and another mobile device can only obtain a file corresponding to its privilege level. If not, the privilege transition process is implemented.
  • the other mobile device After receiving the permission transition invitation, the other mobile device replies with a permission transition request including the permission transition information, wherein the permission transition information may be a PIN, an account number, or a password that is associated with the mobile device where the device is located.
  • the permission transition information may be a PIN, an account number, or a password that is associated with the mobile device where the device is located.
  • the above WIFI connection parameters include: WIFI network identifier and IP base address.
  • the IP base address is used to generate an IP address of a mobile device at both ends used to establish a WIFI connection, where the IP base address is used as the IP address of the mobile device where the device is located, and the IP address of another mobile device may be an IP address plus
  • the offset mode ensures that the IP addresses of mobile devices at both ends are on the same network segment.
  • the WIFI connection parameters may also include: a heartbeat detection interval.
  • the device may further include:
  • the heartbeat detection module 308 performs heartbeat detection according to the heartbeat detection interval with another mobile device during file transmission. If the WIFI connection is detected to be disconnected, the file transmission is interrupted and the WIFI module 302 is triggered to re-establish the WIFI connection or terminate the file transmission.
  • the flow control module 305 controls the mobile device where the device is located to return to the client mode.
  • FIG. 5 is a schematic structural diagram of an apparatus for setting a second mobile device according to Embodiment 4 of the present invention. As shown in FIG. 5, the device mainly includes: an NFC module 501, a WIFI module 502, and a file transmission module 503.
  • the NFC module 501 performs NFC pairing with another mobile device (the first mobile device described in Embodiment 1) within an NFC effective distance, and receives WIFI connection parameters and file discovery sent by another mobile device during the NFC pairing process. List.
  • the WIFI module 502 establishes a WIFI connection with another mobile device using WIFI connection parameters.
  • the file transfer module 503 utilizes a WIFI connection to receive one or more files in a file discovery list sent by another mobile device.
  • the apparatus may further include: a flow control module 504.
  • the flow control module 504 is in the client mode by default after the mobile device where the device is located starts the NFC module 501 and the WIFI module 502. Usually in the client mode, the pairing request is actively sent to other mobile devices that are within the NFC effective distance, and other mobile devices waiting for the NFC effective distance in the master mode send a pairing request to them.
  • the NFC module 501 sends a pairing request carrying authentication information to another mobile device, and receives a WIFI connection parameter and a file discovery list sent by another mobile device.
  • an authentication process can be introduced during the pairing process, which is performed in another mobile device (i.e., a mobile device in master mode).
  • the transmission control module 507 is specifically as follows:
  • the transmission control module 507 receives a file transfer request sent by another mobile device that includes one or more file information
  • the trigger WIFI module 502 receives one or more files sent by another mobile device using the WIFI connection.
  • the transmission control module 507 sends a file transfer request containing one or more file information to the other mobile device, After receiving the file transmission confirmation response replied by another mobile device, the trigger WIFI module 502 receives one or more files sent by another mobile device by using the WIFI connection.
  • the transmission control module 507 can be a module that uses wireless transmission technologies such as infrared and WIFI, and can be the WIFI module 502.
  • the device further includes: a permission transition module 505, configured to: after receiving the permission transition invitation sent by another mobile device, send a permission transition request including the permission transition information to another mobile device.
  • the above WIFI connection parameters include: WIFI network identifier and IP base address. In addition to this, it can include: Heartbeat detection interval. At this time, the device may further include: a heartbeat detection module 506.
  • the heartbeat detection module 506 performs heartbeat detection according to the heartbeat detection interval with another mobile device during file transmission. If the WIFI connection is detected to be disconnected, the file transmission is interrupted. The WIFI module 502 is triggered to re-establish the WIFI connection, or terminate the file transfer.
  • a mobile device may act as the initiator of the file transfer or as the recipient of the file transfer. Therefore, a mobile device can have the structure shown in Figures 3 and 5 at the same time, that is, Figure 3 and Figure 5 The illustrated device can typically be placed in a mobile device.
  • the invention adopts the NFC technology to realize the pairing of two mobile terminals, and the entire pairing process does not require the user to input any pairing code, which is more convenient than the Bluetooth pairing.
  • the WIFI connection is established and the file transmission is performed based on the WIFI connection.
  • the effective distance of the WIFI connection is usually about 100 meters, and the connection is stable, and the transmission speed can reach 5-7MB/s, so compared with the existing ones. Bluetooth transmission increases the effective distance, improves connection stability and data transfer speed.
  • the local mobile device simultaneously transmits the generated file discovery list to the peer mobile device in the NFC pairing process, so that the peer mobile device can learn the file discovery information, thereby not only realizing the active push file discovery list on the local mobile device.
  • One or more files in the file are sent to the peer mobile device, and the peer mobile device can also pull one or more files in the file discovery list from the local mobile device, so as to achieve more flexibility and meet more diverse user requirements.
  • WIFI connection supports multiple file encryption methods such as Wired Equivalent Privacy (WEP) and Wireless Protected Access (WPA) to provide superior wireless security transmission performance.
  • WEP Wired Equivalent Privacy
  • WPA Wireless Protected Access

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  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention porte sur un procédé et un appareil utilisés pour une transmission de données point à point de dispositif mobile. Le procédé comprend les opérations suivantes : réalisation d'un appariement NFC lorsqu'un premier dispositif mobile et un second dispositif mobile se trouvent à moins de la distance effective pour une communication en champ proche (NFC), le premier dispositif mobile envoyant un paramètre de connexion de fidélité sans fil (WIFI) et une liste de découverte de fichier au second dispositif mobile durant l'appariement NFC ; le premier dispositif mobile et le second dispositif mobile établissent une connexion WIFI au moyen du paramètre de connexion WIFI ; et le premier dispositif mobile envoie un ou plusieurs fichiers de la liste de découverte de fichier au second dispositif mobile au moyen de la connexion WIFI. La transmission de données point à point de dispositif mobile réalisée selon la présente invention peut atteindre les buts de fonctionnement aisé, d'augmentation de la distance effective, d'amélioration de la stabilité de connexion et d'augmentation de la vitesse de transmission de données.
PCT/CN2012/076043 2011-09-07 2012-05-25 Procédé et appareil de transmission de données point à point de dispositif mobile WO2013033999A1 (fr)

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CN201110264441.9 2011-09-07
CN201110264441.9A CN102315864B (zh) 2011-09-07 2011-09-07 用于移动设备点对点数据传输的方法和装置

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