CN102315864A - Method of point-to-point data transmission for mobile device and device - Google Patents
Method of point-to-point data transmission for mobile device and device Download PDFInfo
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Abstract
The invention provides a method of point-to-point data transmission for a mobile device and a device. The method comprises the following steps that: a first mobile device and a second mobile device performs NFC pairing within the effective distance of NFC (Near-Field Communication), and the first mobile device sends wireless broadband (Wireless Fidelity(WIFI)) connection parameters and a file finding list to the second mobile device in the process of NFC pairing; and the first mobile device and the second mobile device utilize the WIFI connection parameters to build WIFI connection; and the first mobile device utilizes the WIFI connection to send one or more files in the file finding list to the second mobile device. The point-to-point data transmission for the mobile devices provided by the invention can achieve the objects of simple operation, increased effective distance, improved stability of connection and improved data transmission speed.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to the field of network communication technologies, and in particular, to a method and an apparatus for point-to-point data transmission of a mobile terminal.
[ background of the invention ]
With the continuous development of mobile communication technology, the dependence degree of users on mobile devices is higher and higher, and the data mutual transmission requirement between the mobile devices is higher and higher. The most typical data transmission is file transmission, and the file transmission among the existing mobile devices is mainly realized by a bluetooth technology, but the file transmission based on the bluetooth technology has the following defects:
first, the process of bluetooth pairing is too cumbersome. In the Bluetooth pairing process, one user needs to manually input the pairing code into the mobile equipment, and the other user inputs the same pairing code during connection to establish connection in a pairing mode.
Secondly, the effective distance of file transmission is short, and the connection is unstable. The limitation of the effective distance of the bluetooth signal is received, and the distance between two mobile devices is generally required to be within 10 meters, and a solid shield cannot exist in the middle.
Thirdly, the data transmission speed is slow. The transmission speed of bluetooth is usually in KB level, which is better to reach hundreds of KB, but when it is used to transmit large data volume files, such as audio and video files, the transmission time will affect the performance of the mobile device.
[ summary of the invention ]
In view of the above, the present invention provides a method and an apparatus for point-to-point data transmission of a mobile device, so as to achieve the purposes of simple operation, increasing effective distance, improving connection stability, and improving data transmission speed.
The specific technical scheme is as follows:
a method for mobile device point-to-point data transmission, the method comprising:
s1, when the first mobile device and the second mobile device are within an effective Near Field Communication (NFC) distance, carrying out NFC pairing, and in the NFC pairing process, the first mobile device sends wireless broadband (WIFI) connection parameters and a file discovery list to the second mobile device;
s2, the first mobile device and the second mobile device establish WIFI connection by using the WIFI connection parameters;
s3, the first mobile device sends one or more files in the file discovery list to the second mobile device by using the WIFI connection.
Further, before the step S1, the method further includes:
after starting the NFC function and the WIFI function, the first mobile device and the second mobile device are in a client mode by default;
and after being triggered by a user, the first mobile equipment enters a master mode and waits for NFC pairing.
Specifically, the step S1 includes:
s11, the second mobile equipment sends a pairing request carrying authentication information to the first mobile equipment within the effective distance of NFC;
s12, the first mobile device authenticates by using the authentication information, if the authentication is passed, the step S13 is executed;
s13; the first mobile device generates a file discovery list and sends the WIFI connection parameters and the file discovery list to the second mobile device.
Specifically, the step S3 includes:
if the user of the first mobile device selects one or more files in the file discovery list to the second mobile device, the first mobile device sends a file transmission request containing the one or more file information to the second mobile device, the second mobile device sends a file transmission confirmation response to the first mobile device, and the first mobile device sends the one or more files to the second mobile device by using the WIFI connection; or,
if the user of the second mobile device selects to pull one or more files in the file discovery list from the first mobile device, the second mobile device sends a file transfer request containing the one or more file information to the first mobile device, the first mobile device sends a file transfer confirmation response to the second mobile device, and the first mobile device sends the one or more files to the second mobile device by using the WIFI connection.
If the user of the second mobile device selects to pull one or more files in the file discovery list from the first mobile device, after receiving a file transmission request containing information of the one or more files, the first mobile device judges whether the authority level of the second mobile device is matched with the one or more files, if so, a step of sending a file transmission confirmation response to the second mobile device is executed; otherwise, sending an authority transition invitation to the second mobile equipment, sending an authority transition request containing authority transition information to the first mobile equipment by the second mobile equipment, judging whether the second mobile equipment is successfully transitioned or not by the first mobile equipment by using the authority transition information, and if so, executing the step of sending a file transmission confirmation response to the second mobile equipment.
Wherein, the WIFI connection parameter includes: WIFI network identification and IP base address.
Still further, the WIFI connection parameters further include: a heartbeat detection interval;
and in the file transmission process, the first mobile device and the second mobile device perform heartbeat detection with each other according to the heartbeat detection interval, and if the disconnection of the WIFI connection is detected, the file transmission is interrupted and the WIFI connection is reestablished, or the file transmission is terminated.
An apparatus for point-to-point data transmission for a mobile device, the apparatus comprising:
the NFC module is used for carrying out NFC pairing when the NFC module is within an effective NFC distance from another mobile device, and sending wireless broadband WIFI connection parameters and a file discovery list to the another mobile device in the NFC pairing process;
the WIFI module is used for establishing WIFI connection with the other mobile device by utilizing the WIFI connection parameters;
a file transmission module, configured to send one or more files in the file discovery list to the another mobile device using the WIFI connection.
Still further, the apparatus further comprises:
the flow control module is used for defaulting to be in a client mode after the NFC module and the WIFI module are started by the mobile equipment where the device is located; and after being triggered by the user, entering a master mode and waiting for NFC pairing.
Preferably, the apparatus further comprises: the system comprises an authentication module and a file management module;
the NFC module receives a pairing request which is sent by the other mobile equipment and carries authentication information, provides the authentication information for the authentication module, and sends WIFI connection parameters and a file discovery list to the other mobile equipment when triggered by the authentication module;
the authentication module is used for performing authentication by using the authentication information, and if the authentication is passed, the NFC module and the file management module are triggered;
and the file management module is used for generating a file discovery list and providing the file discovery list to the NFC module when being triggered.
Still further, the apparatus further comprises: a transmission control module;
if the user of the mobile device where the device is located selects one or more files in the file discovery list to send to the other mobile device, the transmission control module sends a file transmission request containing the one or more file information to the other mobile device, and after a file transmission confirmation response replied by the other mobile device is received, the WIFI module is triggered to send the one or more files to the other mobile device through the WIFI connection; or,
if the user of the other mobile device selects to pull one or more files in the file discovery list from the mobile device where the device is located, the wireless transmission module receives a file transmission request containing the one or more file information sent by the other mobile device, and triggers the WIFI module to send the one or more files to the other mobile device by using the WIFI connection after replying a file transmission confirmation response to the other mobile device.
Still further, the apparatus further comprises: the permission transition module is used for judging whether the permission level of the other mobile equipment is matched with the one or more files after the transmission control module receives a file transmission request containing the one or more file information, and if so, triggering the transmission control module to reply a file transmission confirmation response to the other mobile equipment; otherwise, sending an authority transition invitation to the other mobile device, receiving an authority transition request containing authority transition information sent by the other mobile device, judging whether the transition of the other mobile device is successful by using the authority transition information, and if so, triggering the transmission control module to reply a file transmission confirmation response to the other mobile device.
Wherein, the WIFI connection parameter includes: WIFI network identification and IP base address.
Still further, the WIFI connection parameters further include: a heartbeat detection interval; the device also includes:
and the heartbeat detection module is used for carrying out heartbeat detection with the other mobile equipment according to the heartbeat detection interval in the file transmission process, and if the disconnection of the WIFI connection is detected, the file transmission is interrupted and the WIFI module is triggered to reestablish the WIFI connection, or the file transmission is terminated.
An apparatus for point-to-point data transmission for a mobile device, the apparatus comprising:
the NFC module is used for carrying out NFC pairing when the NFC module is within an effective NFC distance from another mobile device, and receiving wireless broadband WIFI connection parameters and a file discovery list sent by the another mobile device in the NFC pairing process;
the WIFI module is used for establishing WIFI connection with the other mobile device by utilizing the WIFI connection parameters;
and the file transmission module is used for receiving one or more files in the file discovery list sent by the other mobile equipment by utilizing the WIFI connection.
Still further, the apparatus further comprises:
and the flow control module is used for defaulting to be in a client mode after the NFC module and the WIFI module are started by the mobile equipment where the device is located.
And the NFC module sends a pairing request carrying authentication information to the other mobile equipment and receives WIFI connection parameters and a file discovery list sent by the other mobile equipment.
Still further, the apparatus further comprises: a transmission control module;
specifically, if the user of the another mobile device selects one or more files in the file discovery list to the mobile device where the apparatus is located, the transmission control module receives a file transmission request containing the one or more file information sent by the another mobile device, and triggers the WIFI module to receive the one or more files sent by the another mobile device through the WIFI connection after replying a file transmission confirmation response to the another mobile device; or,
if the user of the mobile device where the device is located selects to pull one or more files in the file discovery list from the other mobile device, the transmission control module sends a file transmission request containing the one or more file information to the other mobile device, and after a file transmission confirmation response replied by the other mobile device is received, the WIFI module is triggered to receive the one or more files sent by the other mobile device through the WIFI connection.
The device also includes: and the permission transition module is used for sending a permission transition request containing permission transition information to the other mobile equipment after receiving the permission transition invitation sent by the other mobile equipment.
Wherein, the WIFI connection parameter includes: WIFI network identification and IP base address.
Still further, the WIFI connection parameters further include: a heartbeat detection interval; the device also includes:
and the heartbeat detection module is used for carrying out heartbeat detection with the other mobile equipment according to the heartbeat detection interval in the file transmission process, and if the disconnection of the WIFI connection is detected, the file transmission is interrupted and the WIFI module is triggered to reestablish the WIFI connection, or the file transmission is terminated.
According to the technical scheme, the two mobile terminals are paired by adopting the NFC technology, the whole pairing process does not need any pairing code input by a user, and compared with Bluetooth pairing, the pairing is simpler and more convenient; establish the WIFI after NFC pairs and connect and carry out file transmission based on the WIFI, the effective distance that the WIFI is connected is about 100 meters usually, and connects stably, and transmission speed can reach 5 ~ 7MB/s, consequently compare current bluetooth transmission increased effective distance, improved the stability and the data transmission speed of connecting.
[ description of the drawings ]
FIG. 1 is a flow chart of a main method according to a first embodiment of the present invention;
FIG. 2 is a flowchart of a detailed method provided in a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of an apparatus disposed on a first mobile device according to a third embodiment of the present invention;
FIG. 4 is a flowchart illustrating an implementation of the apparatus shown in FIG. 3;
fig. 5 is a schematic structural diagram of an apparatus disposed on a second mobile device according to a fourth embodiment of the present invention;
fig. 6 is a flow chart of the corresponding implementation of the apparatus shown in fig. 5.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The first embodiment,
Fig. 1 is a flowchart of a main method according to an embodiment of the present invention, as shown in fig. 1, the method mainly includes the following steps:
step 101: and when the first mobile equipment and the second mobile equipment are within the effective distance of NFC, carrying out NFC pairing, and sending the WIFI connection parameters and the file discovery list to the second mobile equipment by the first mobile equipment in the NFC pairing process.
NFC is a short-distance high-frequency wireless communication technology, allows non-contact point-to-point data transmission between electronic equipment, can be used for quickly and actively setting a wireless network, and in the invention, the pairing between mobile equipment is realized by adopting NFC, and the subsequent WIFI connection is actively set, namely WIFI connection parameters are exchanged.
Generally, the effective distance of NFC is 10 cm, and within 10 cm, NFC pairing can be automatically completed without any pairing code input by a user.
Upon pairing, an NFC pairing request may be sent by the second mobile device to the first mobile device. And after receiving the NFC pairing request, the first mobile equipment sends the WIFI connection parameters to the second mobile equipment through a pairing confirmation response.
Wherein, WIFI connection parameter includes at least: WIFI network identification (WIFI SSID) and the IP address information of the first mobile device, the IP address information of the first mobile device can adopt the IP base address in the network segment, and the method can further comprise the following steps: channel information, heartbeat detection interval, connection key, etc., which will be described in detail in the following embodiments.
Step 102: and the first mobile equipment and the second mobile equipment establish WIFI connection by utilizing the WIFI connection parameters.
WIFI is a technology that can interconnect mobile devices such as notebooks, mobile phones, and Personal Digital Assistants (PDAs) in a wireless manner without any intermediate device. The mobile equipment popular in the market generally supports two functions of NFC and WIFI, so that the mobile equipment does not need to be changed, and a better implementation basis is achieved.
In this step, specifically, 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, which can generally be the IP base plus offset described above, i.e., IP base + offset. And the first mobile equipment sends a WIFI connection confirmation response to the second mobile equipment after receiving the WIFI connection request.
Step 103: and the first mobile equipment transmits one or more files in the transmission file discovery list to the second mobile equipment by utilizing the WIFI connection.
The effective range of WIFI connection is usually within 100 meters, the connection is stable, file transmission requirements among mobile devices can be completely met, the current mainstream WIFI chips support 802.11g, the speed can reach 5-7 MB/s, and the WIFI connection is suitable for transmitting a large number of files.
When file transmission is performed, but not limited to: WIFI ad-hoc technology or WIFI direct technology.
In addition, when file transmission is triggered, one or more files in the file discovery list may be actively pushed by the first mobile device, or may be "pulled" by the second mobile device, which will be described in the following embodiments.
And in the file transmission process, heartbeat messages are sent between the first mobile equipment and the second mobile equipment to determine whether the WIFI connection is disconnected, and if the WIFI connection is disconnected, the file transmission can be terminated or the WIFI connection can be reestablished.
Example II,
The method provided by the invention is described in detail by the following examples. In this embodiment, taking a mobile phone as an example, assuming that a file on a mobile phone a is to be transmitted to a mobile phone B, the mobile phone a and the mobile phone B are both in a to-be-connected state, that is, both the NFC function and the WIFI function of the mobile phone a and the mobile phone B are started, and are in a client (client) mode by default, a corresponding method flow may be as shown in fig. 2, and includes the following steps:
step 201: when triggered by the user, the mobile phone A enters a master mode.
If the user of the mobile phone a wants to transmit the file, the mobile phone a can be triggered to enter the master mode by clicking a certain function button on the mobile phone or clicking the file to be transmitted, and the mobile phone a waits for the pairing request of other mobile phones after entering the master mode.
Step 202: and the mobile phone A receives the pairing request sent by the mobile phone B.
The mobile phone B in the client mode detects that the mobile phone B in the effective distance of NFC detects the mobile phone B, that is, sends a pairing request. If the mobile phone a and the mobile phone B are within the effective distance of NFC, the mobile phone a receives the pairing request sent by the mobile phone B.
The pairing request may include authentication information of the mobile phone B, such as an authentication ID, account information, or password information of the mobile phone B.
Step 203: the mobile phone A authenticates by using the authentication information in the pairing request, and if the authentication is passed, the step 204 is executed; otherwise, the flow ends.
The authentication mechanism may be configured in advance at the mobile phone a-side, and the identity of the paired other mobile device may be authenticated, for example, by configuring a white list or a black list, or by verifying account information or password information.
If the authentication fails, the process can be directly ended, and if the user of the mobile phone a still wants to send the file to the user B, the mobile phone B can pass the authentication by manually modifying the configuration mode of the mobile phone a, for example, modifying a white list or a black list.
Step 204: the mobile phone A generates a file discovery list and sends the WIFI connection parameters and the file discovery list to the mobile phone B.
After the authentication is passed, the mobile phone a may be triggered to perform a file discovery operation to discover files with sharing authority, and may generate a file discovery list from information of the files with sharing authority, or generate a file discovery list from information of the files with sharing authority clicked by the user. The document discovery is prior art and is not described herein.
In addition, after the authentication process is performed, file discovery lists with different authorities can be generated for different authentication identities. For example, the authority level may be configured in advance, after the authentication process is completed, the authority level of the mobile phone B may be determined, and then a file discovery list of the authority level may be generated.
The WIFI connection parameters at least comprise: WIFI network identification and 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. At least one of the following may be further included: channel information, heartbeat detection interval, connection key, etc.
The channel information is a channel used for establishing WIFI connection; the heartbeat detection interval is an interval for carrying out heartbeat detection in the WIFI connection process, and the heartbeat detection is used for detecting whether the WIFI connection is disconnected; the connection key is a key used for WIFI connection, is used for ensuring the security of file transmission, and can be generated by adopting an existing random algorithm.
And the NFC pairing process is finished, and the WIFI connection establishment process is started.
Step 205: and the mobile phone B sends a WIFI connection request to the mobile phone A.
The WIFI establishing request includes IP address information of the mobile phone B, and the IP address information may adopt the above IP base address plus offset address mode.
Step 206: and the mobile phone A sends a WIFI connection confirmation response to the mobile phone B.
Thus, the WIFI connection establishment process of the mobile phone A and the mobile phone B is completed by using the IP base address and the IP base address plus the offset address, and the file transmission process is started.
Step 207: the mobile phone B sends a file transmission request containing one or more file information in the file discovery list to the mobile phone A.
Step 208: the mobile phone A judges whether the authority level of the mobile phone B is matched with one or more files contained in the file transmission request, if so, the step 212 is executed; otherwise, step 209 is performed.
Each file in the mobile phone a may be configured with a permission level requirement, and the mobile phone B may only obtain the file corresponding to the permission level thereof, and if not, may implement the permission transition process from step 209 to step 211.
As an example, suppose the permission level requirements corresponding to the files in the mobile phone a are as shown in table 1.
TABLE 1
| File sequence number | Permission level requirements |
| 1 | Super grade |
| 2 | Super grade |
| 3 | Visitor |
| 4 | Limiting stage |
| 5 | Visitor |
| 6 | Visitor |
| 7 | Limiting stage |
If the file discovery list generated by the mobile phone A contains files 2, 3, 5 and 6, if the identity of the mobile phone B is a visitor, the mobile phone B selects the files 3, 5 and 6 from the file discovery list, the permission levels are matched, and permission transition is not needed; if the mobile phone B selects files 1, 3 and 4 from the file discovery list, then since the file 1 can only be accessed by the super user, the mobile phone B is required to perform permission transition, i.e. the following steps are performed.
Step 209: the mobile phone A sends an invitation for permission transition to the mobile phone B.
Step 210: and the mobile phone B sends an authority transition request containing the authority transition information to the mobile phone A.
The permission transition information may be information such as a Personal Identification Number (PIN), an account number, or a password agreed with the mobile phone a.
Step 211: the mobile phone A judges whether the transition of the mobile phone B is successful by using the permission transition information, and if the transition of the mobile phone B is successful, the step 212 is continuously executed; otherwise, the flow ends.
And if the authority of the mobile phone B is transited to be matched with the selected one or more files, determining that the transition is successful. Additionally, if the transition is unsuccessful, step 212 can continue in addition to the direct flow, but in step 213, handset a only transmits to handset B the file that matches the privilege level of handset B.
Step 212: the mobile phone A sends a file transmission confirmation response to the mobile phone B.
There are two possibilities here: first, if the user of the mobile phone B selects a certain file or certain files in the file discovery list, the file transmission request sent in step 207 may carry the selected file information, and this way, the mobile phone B actively "pulls" the file from the mobile phone a.
Secondly, the user of the mobile phone a selects to transmit a certain file or certain files in the file discovery list to the mobile phone B, and then the step 207 may be that the mobile phone a sends a file transmission request to the mobile phone B, carrying the selected file information; step 212 may be that handset B sends a file transfer confirmation response to handset a in such a way that handset a actively pushes the file to handset B. In this case, the permission transition process from step 208 to step 211 does not have to be performed.
Step 213: handset a transmits one or more files in the file discovery list to handset B.
After the file transmission is finished, the WIFI connection between the mobile phone A and the mobile phone B is disconnected, and the client mode is returned again.
In the process of transmitting the file from the mobile phone A to the mobile phone B, heartbeat detection is carried out between the mobile phone A and the mobile phone B according to heartbeat detection intervals in the WIFI connection parameters, and if the disconnection of the WIFI connection is detected, the file transmission is interrupted to reestablish the WIFI connection, or the file transmission is stopped.
The following describes in detail the structure of the apparatus provided in the first mobile device and the second mobile device by way of a third embodiment and a fourth embodiment, respectively.
Example III,
Fig. 3 is a schematic structural diagram of an apparatus disposed on a first mobile device according to a third embodiment of the present invention, and as shown in fig. 3, the apparatus mainly includes: NFC module 301, WIFI module 302, and file transfer module 303.
When the NFC module 301 is within an NFC effective distance from another mobile device (i.e., the second mobile device in the first embodiment), the NFC module performs NFC pairing, and sends WIFI connection parameters and a file discovery list to the another mobile device in the NFC pairing process.
The WIFI module 302 establishes a WIFI connection with another mobile device using the WIFI connection parameters.
The file transfer module 303 sends one or more files in the file discovery list to another mobile device using the WIFI connection.
On the basis, the device can also comprise: a flow control module 305.
The flow control module 305 is responsible for controlling the mode of the mobile device in which the apparatus is located, and specifically, after the mobile device in which the apparatus is located starts the NFC module 301 and the WIFI module 302, the apparatus is in a client mode by default; and after being triggered by the user, entering a master mode and waiting for NFC pairing. Normally, in the client mode, the mobile device actively sends a pairing request to other mobile devices within the effective distance of NFC, and in the master mode, the mobile device waits for other mobile devices within the effective distance of NFC to send a pairing request to the mobile device.
In order to further ensure the security between the mobile devices, an authentication process may be introduced in the pairing process, in which case the apparatus may further include: a file management module 304 and an authentication module 306.
The NFC module 301 receives a pairing request carrying authentication information sent by another mobile device, provides the authentication information to the authentication module 306, and sends WIFI connection parameters and a file discovery list to the another mobile device when triggered by the authentication module 306.
The authentication module 306 performs authentication using the authentication information provided by the NFC module 301, and triggers the NFC module 301 and the file management module 304 if the authentication is passed.
The file management module 304 is configured to generate a file discovery list when triggered. Specifically, after the authentication is passed, the file management module 304 may start to perform a file discovery operation to discover files with sharing rights, and generate a file discovery list from information of the files with sharing rights, or generate a file discovery list from information of the files with sharing rights clicked by the user.
In the embodiment of the present invention, an authentication mechanism may be configured in the authentication module 306 in advance to authenticate the identity of the paired other mobile device, for example, the authentication mechanism may be configured in a white list or a black list, or may be configured in a manner of verifying account information or password information.
In addition, after the authentication process is performed, file discovery lists with different authorities can be generated for different authentication identities. For example, the authority level may be configured in advance, after the authentication process is completed, the authority level of the mobile phone B may be determined, and then a file discovery list of the authority level may be generated.
When file transmission is triggered, the mobile device where the apparatus is located may actively push one or more files in the file discovery list to another mobile device, or pull one or more files from the file discovery list by another mobile device, where the apparatus further includes: the transmission control module 309 specifically includes the following:
if the user of the mobile device where the apparatus is located selects one or more files in the file discovery list to send to another mobile device, the transmission control module 309 sends a file transmission request including information of the one or more files to the another mobile device, and after receiving a file transmission confirmation response replied by the another mobile device, triggers the WIFI module 302 to send the one or more files to the another mobile device by using the WIFI connection.
If the user of another mobile device selects to pull one or more files in the file discovery list from the mobile device where the apparatus is located, the transmission control module 309 receives a file transmission request containing one or more file information sent by the another mobile device, and after replying a file transmission confirmation response to the another mobile device, triggers the WIFI module 302 to send one or more files to the another mobile device by using the WIFI connection.
The transmission control module 209 may be a module that employs wireless transmission technologies such as infrared and WIFI, and may be the WIFI module 302.
The device also includes: a permission transition module 307, configured to determine whether the permission level of another mobile device matches with one or more files after the transmission control module 309 receives a file transmission request including information of the one or more files, and if so, trigger the transmission control module 309 to reply a file transmission confirmation response to the another mobile device; otherwise, sending an authority transition invitation to another mobile device, receiving an authority transition request containing authority transition information sent by another mobile device, judging whether the transition of another mobile device is successful by using the authority transition information, and if so, triggering the transmission control module 309 to reply a file transmission confirmation response to the another mobile device.
Each file in the mobile device where the device is located can be configured with a requirement of authority level, and another mobile device can only obtain the file corresponding to the authority level, and if the requirement is not met, the permission level is changed through the permission transition process.
After receiving the permission transition invitation, the other mobile device replies a permission transition request containing permission transition information, wherein the permission transition information can be information such as a PIN, an account number or a password agreed with the mobile device where the device is located.
The above-mentioned WIFI connection parameters include: WIFI network identification and IP base address. The IP base addresses are used for generating IP addresses of the mobile devices at two ends used when the WIFI connection is established, wherein the IP base addresses are used as the IP addresses of the mobile device where the device is located, and the IP address of the other mobile device can adopt a mode of adding an offset to the IP address, so that the IP addresses of the mobile devices at two ends are ensured to be in the same network segment.
In addition, the WIFI connection parameters may also include: heartbeat detection interval. At this time, the apparatus may further include:
the heartbeat detection module 308 performs heartbeat detection with another mobile device at a heartbeat detection interval during file transmission, and if it is detected that the WIFI connection is disconnected, the file transmission is interrupted and triggers the WIFI module 302 to reestablish the WIFI connection, or the file transmission is terminated.
After the file transfer is terminated, the flow control module 305 controls the mobile device in which the apparatus is located to return to the client mode.
The flow of the apparatus shown in fig. 3 may be as shown in fig. 4.
Example four,
Fig. 5 is a schematic structural diagram of an apparatus disposed on a second mobile device according to a fourth embodiment of the present invention, and as shown in fig. 5, the apparatus mainly includes: NFC module 501, WIFI module 502, and file transfer module 503.
When the NFC module 501 and another mobile device (the first mobile device in the first embodiment) are within an NFC effective distance, the NFC module performs NFC pairing, and receives a WIFI connection parameter and a file discovery list sent by the another mobile device in an NFC pairing process.
The WIFI module 502 establishes a WIFI connection with another mobile device using the WIFI connection parameters.
The file transfer module 503 receives one or more files in a file discovery list transmitted by another mobile device using a WIFI connection.
Still further, the apparatus may further comprise: a flow control module 504.
The flow control module 504 is in a client mode by default after the mobile device in which the apparatus is located starts the NFC module 501 and the WIFI module 502. Normally, in the client mode, the mobile device actively sends a pairing request to other mobile devices within the effective distance of NFC, and in the master mode, the mobile device waits for other mobile devices within the effective distance of NFC to send a pairing request to the mobile device.
In the NFC pairing process, the NFC module 501 sends a pairing request carrying authentication information to another mobile device, and receives WIFI connection parameters and a file discovery list sent by the another mobile device.
To further ensure security between mobile devices, an authentication procedure may be introduced in the pairing procedure, which is performed in the other mobile device (i.e. the mobile device in master mode).
Similarly, when file transmission is triggered, another mobile device may actively push one or more files in the file discovery list to the mobile device where the apparatus is located, or the device where the apparatus is located may pull one or more files from the file discovery list, where the apparatus further includes: the transmission control module 507 is specifically as follows:
if the user of another mobile device selects one or more files in the file discovery list to the mobile device where the apparatus is located, the transmission control module 507 receives a file transmission request containing one or more file information sent by the another mobile device, and after replying a file transmission confirmation response to the another mobile device, triggers the WIFI module 502 to receive the one or more files sent by the another mobile device through the WIFI connection.
If the user of the mobile device where the apparatus is located selects to pull one or more files in the file discovery list from another mobile device, the transmission control module 507 sends a file transmission request containing one or more file information to another mobile device, and after receiving a file transmission confirmation response replied by another mobile device, triggers the WIFI module 502 to receive one or more files sent by another mobile device by using a WIFI connection.
This transmission control module 507 may be a module that adopts wireless transmission technologies such as infrared and WIFI, and may be just the WIFI module 502.
If the user of the mobile device in which the apparatus is located selects to pull one or more files in the file discovery list from another mobile device, there may be a case where the permission level of the mobile device in which the apparatus is located does not satisfy the permission level requirement of the pulled files, and at this time, another mobile device sends a permission transition invitation to the mobile device in which the apparatus is located. At this time, the apparatus further includes: and the permission transition module 505 is configured to send a permission transition request containing permission transition information to another mobile device after receiving a permission transition invitation sent by another mobile device.
The above-mentioned WIFI connection parameter includes: WIFI network identification and IP base address. Besides, the method can also comprise the following steps: heartbeat detection interval. At this time, the apparatus may further include: a heartbeat detection module 506.
The heartbeat detection module 506 performs heartbeat detection with another mobile device at a heartbeat detection interval during file transmission, and if disconnection of the WIFI connection is detected, the file transmission is interrupted and the WIFI module 502 is triggered to reestablish the WIFI connection, or the file transmission is terminated.
The flow of the apparatus shown in fig. 5 may be as shown in fig. 6.
Generally, a mobile device may be an initiator of file transfer and may also be a receiver of file transfer, and therefore, a mobile device may have the structure shown in fig. 3 and 5 at the same time, that is, the apparatus shown in fig. 3 and 5 may be generally disposed in a mobile device.
As can be seen from the above description, the method and apparatus provided by the embodiments of the present invention have the following advantages:
1) the invention realizes the pairing of the two mobile terminals by adopting the NFC technology, and the whole pairing process does not need any pairing code input by a user, so that the pairing is simpler and more convenient compared with Bluetooth pairing.
2) Establish the WIFI after NFC pairs and connect and carry out file transmission based on the WIFI, the effective distance that the WIFI is connected is about 100 meters usually, and connects stably, and transmission speed can reach 5 ~ 7MB/s, consequently compare current bluetooth transmission increased effective distance, improved the stability and the data transmission speed of connecting.
3) The local mobile device transmits the generated file discovery list to the opposite mobile device in the NFC pairing process, so that the opposite mobile device can acquire file discovery information, the active pushing of one or more files in the file discovery list to the opposite mobile device can be realized, the opposite mobile device can pull one or more files in the file discovery list from the local mobile device, the realization is more flexible, and more various user requirements are met.
4) The WIFI connection supports various file encryption modes such as Wired Equivalent Privacy (WEP), Wireless Protected Access (WPA), and the like, thereby providing excellent wireless security transmission performance.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (21)
1. A method for point-to-point data transmission by a mobile device, the method comprising:
s1, when the first mobile device and the second mobile device are within an effective Near Field Communication (NFC) distance, performing NFC pairing, and in the NFC pairing process, the first mobile device sends wireless broadband WIFI connection parameters and a file discovery list to the second mobile device;
s2, the first mobile device and the second mobile device establish WIFI connection by using the WIFI connection parameters;
s3, the first mobile device sends one or more files in the file discovery list to the second mobile device by using the WIFI connection.
2. The method according to claim 1, further comprising, before the step S1:
after starting the NFC function and the WIFI function, the first mobile device and the second mobile device are in a client mode by default;
and after being triggered by a user, the first mobile equipment enters a master mode and waits for NFC pairing.
3. The method according to claim 1 or 2, wherein the step S1 specifically includes:
s11, the second mobile equipment sends a pairing request carrying authentication information to the first mobile equipment within the effective distance of NFC;
s12, the first mobile device authenticates by using the authentication information, if the authentication is passed, the step S13 is executed;
s13; the first mobile device generates a file discovery list and sends the WIFI connection parameters and the file discovery list to the second mobile device.
4. The method according to claim 1, wherein the step S3 specifically includes:
if the user of the first mobile device selects one or more files in the file discovery list to the second mobile device, the first mobile device sends a file transmission request containing the one or more file information to the second mobile device, the second mobile device sends a file transmission confirmation response to the first mobile device, and the first mobile device sends the one or more files to the second mobile device by using the WIFI connection; or,
if the user of the second mobile device selects to pull one or more files in the file discovery list from the first mobile device, the second mobile device sends a file transfer request containing the one or more file information to the first mobile device, the first mobile device sends a file transfer confirmation response to the second mobile device, and the first mobile device sends the one or more files to the second mobile device by using the WIFI connection.
5. The method according to claim 4, wherein if the user of the second mobile device selects to pull one or more files in the file discovery list from the first mobile device, the first mobile device determines whether the permission level of the second mobile device matches with the one or more files after receiving the file transfer request containing the one or more file information, and if so, performs the step of sending a file transfer confirmation response to the second mobile device; otherwise, sending an authority transition invitation to the second mobile equipment, sending an authority transition request containing authority transition information to the first mobile equipment by the second mobile equipment, judging whether the second mobile equipment is successfully transitioned or not by the first mobile equipment by using the authority transition information, and if so, executing the step of sending a file transmission confirmation response to the second mobile equipment.
6. The method of claim 1, 2, 4, or 5, wherein the WIFI connection parameters comprise: WIFI network identification and IP base address.
7. The method of claim 6, wherein the WIFI connection parameters further comprise: a heartbeat detection interval;
and in the file transmission process, the first mobile device and the second mobile device perform heartbeat detection with each other according to the heartbeat detection interval, and if the disconnection of the WIFI connection is detected, the file transmission is interrupted and the WIFI connection is reestablished, or the file transmission is terminated.
8. An apparatus for point-to-point data transmission for a mobile device, the apparatus comprising:
the NFC module is used for carrying out NFC pairing when the NFC module is within an effective NFC distance from another mobile device, and sending wireless broadband WIFI connection parameters and a file discovery list to the another mobile device in the NFC pairing process;
the WIFI module is used for establishing WIFI connection with the other mobile device by utilizing the WIFI connection parameters;
a file transmission module, configured to send one or more files in the file discovery list to the another mobile device using the WIFI connection.
9. The apparatus of claim 8, further comprising:
the flow control module is used for defaulting to be in a client mode after the NFC module and the WIFI module are started by the mobile equipment where the device is located; and after being triggered by the user, entering a master mode and waiting for NFC pairing.
10. The apparatus of claim 8 or 9, further comprising: the system comprises an authentication module and a file management module;
the NFC module receives a pairing request which is sent by the other mobile equipment and carries authentication information, provides the authentication information for the authentication module, and sends WIFI connection parameters and a file discovery list to the other mobile equipment when triggered by the authentication module;
the authentication module is used for performing authentication by using the authentication information, and if the authentication is passed, the NFC module and the file management module are triggered;
and the file management module is used for generating a file discovery list and providing the file discovery list to the NFC module when being triggered.
11. The apparatus of claim 8, further comprising: a transmission control module;
if the user of the mobile device where the device is located selects one or more files in the file discovery list to send to the other mobile device, the transmission control module sends a file transmission request containing the one or more file information to the other mobile device, and after a file transmission confirmation response replied by the other mobile device is received, the WIFI module is triggered to send the one or more files to the other mobile device through the WIFI connection; or,
if the user of the other mobile device selects to pull one or more files in the file discovery list from the mobile device where the device is located, the transmission control module receives a file transmission request containing the one or more file information sent by the other mobile device, and triggers the WIFI module to send the one or more files to the other mobile device by using the WIFI connection after replying a file transmission confirmation response to the other mobile device.
12. The apparatus of claim 11, further comprising: the permission transition module is used for judging whether the permission level of the other mobile equipment is matched with the one or more files after the transmission control module receives a file transmission request containing the one or more file information, and if so, triggering the transmission control module to reply a file transmission confirmation response to the other mobile equipment; otherwise, sending an authority transition invitation to the other mobile device, receiving an authority transition request containing authority transition information sent by the other mobile device, judging whether the transition of the other mobile device is successful by using the authority transition information, and if so, triggering the transmission control module to reply a file transmission confirmation response to the other mobile device.
13. The apparatus of claim 8, 9, 11 or 12, wherein the WIFI connection parameters comprise: WIFI network identification and IP base address.
14. The apparatus of claim 13, wherein the WIFI connection parameters further comprise: a heartbeat detection interval; the device also includes:
and the heartbeat detection module is used for carrying out heartbeat detection with the other mobile equipment according to the heartbeat detection interval in the file transmission process, and if the disconnection of the WIFI connection is detected, the file transmission is interrupted and the WIFI module is triggered to reestablish the WIFI connection, or the file transmission is terminated.
15. An apparatus for point-to-point data transmission for a mobile device, the apparatus comprising:
the NFC module is used for carrying out NFC pairing when the NFC module is within an effective NFC distance from another mobile device, and receiving wireless broadband WIFI connection parameters and a file discovery list sent by the another mobile device in the NFC pairing process;
the WIFI module is used for establishing WIFI connection with the other mobile device by utilizing the WIFI connection parameters;
and the file transmission module is used for receiving one or more files in the file discovery list sent by the other mobile equipment by utilizing the WIFI connection.
16. The apparatus of claim 15, further comprising:
and the flow control module is used for defaulting to be in a client mode after the NFC module and the WIFI module are started by the mobile equipment where the device is located.
17. The apparatus of claim 15 or 16, wherein the NFC module sends a pairing request carrying authentication information to the another mobile device, and receives WIFI connection parameters and a file discovery list sent by the another mobile device.
18. The apparatus of claim 15, further comprising: a transmission control module;
if the user of the other mobile device selects one or more files in the file discovery list to the mobile device where the device is located, the transmission control module receives a file transmission request which is sent by the other mobile device and contains the one or more file information, and triggers the WIFI module to receive the one or more files sent by the other mobile device through the WIFI connection after replying a file transmission confirmation response to the other mobile device; or,
if the user of the mobile device where the device is located selects to pull one or more files in the file discovery list from the other mobile device, the transmission control module sends a file transmission request containing the one or more file information to the other mobile device, and after a file transmission confirmation response replied by the other mobile device is received, the WIFI module is triggered to receive the one or more files sent by the other mobile device through the WIFI connection.
19. The apparatus of claim 18, further comprising: and the permission transition module is used for sending a permission transition request containing permission transition information to the other mobile equipment after receiving the permission transition invitation sent by the other mobile equipment.
20. The apparatus of claim 15, 16, 18 or 19, wherein the WIFI connection parameters comprise: WIFI network identification and IP base address.
21. The apparatus of claim 20, wherein the WIFI connection parameters further comprise: a heartbeat detection interval; the device also includes:
and the heartbeat detection module is used for carrying out heartbeat detection with the other mobile equipment according to the heartbeat detection interval in the file transmission process, and if the disconnection of the WIFI connection is detected, the file transmission is interrupted and the WIFI module is triggered to reestablish the WIFI connection, or the file transmission is terminated.
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| PCT/CN2012/076043 WO2013033999A1 (en) | 2011-09-07 | 2012-05-25 | Method and apparatus for mobile device point-to-point data transmission |
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| CN201110264441.9A CN102315864B (en) | 2011-09-07 | 2011-09-07 | For the method and apparatus of mobile device Point-to-Point Data Transmission |
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