BG65611B1 - System and method for direct connection for data exchange between two mobile devices - Google Patents

Abstract

The method and the system find application in different fields of technology, in medicine, in public insurance, in the exchange of information in engineering designs for the establishment of direct connection between two mobile devices for data exchange in the form of text, sound and image. They ensure higher speed at simultaneous information transmission without the assistance of a server or any other platform. The system comprises at least two mobile devices, each of which includes a user unit (110) containing a resource unit (111) which comprises means for user information and system for event registration (112) and is connected to a bilateral transmission/receipt of information, control and noticing signals with logical unit (130) which is bilaterally connected to a communication unit(140). The user (110) and logical (130) units are also interconnected across a multimedia unit (120), which includes at least a sound recording and reproducing unit (121), device for the visualization of graphic images (122), device for visualization of video data (123) and device for document visualization (124). The logical unit (130) includes at least a control system (131) of a communication collection unit, control system (132) of a communication noticing unit, control system (133) of a communication receiving unit and control system (134) of the data and system transfer control (135) of user events. Communication unit (140) comprises selection (141), noticing (142) and receiving (143) units.

Description

The invention relates to a system and method for establishing a direct connection for the exchange of data between the communication blocks of two mobile devices with built-in modems and a data number, without the mediation of a server or other platform which are used in the field of telecommunications.

BACKGROUND OF THE INVENTION

There are various solutions for establishing a connection between mobile devices for simultaneous transmission of data representing text, sound or graphic image with application in various fields of technology - in medicine, in insurance, when exchanging information in engineering projects, where simultaneous transmission of image and sound.

A known mobile telecommunication device for simultaneous transmission and reception of sound and image between two mobile devices / 1 /. Each of these devices has a display, a controller, an input device (a touch screen and an additional keyboard), memory, modem, and several input-output devices. Data fields are created that present different information that defines the corresponding files, and the image that is submitted and resides on one user device is modified to carry textual information as well. Audio data and the image are transmitted to the other device at the same time. Both devices are compatible and contact is made by phone call. All controls except the power are made via virtual on-screen buttons. However, the connection is mediated - via a cellular network or satellite.

A system and method for virtually connecting two wireless devices / 2 / are known. The system contains an access point and a controller that are configured to communicate with wireless devices. The system includes a spatially distributed communication network connected to at least the first and second network resources; a user device that has a wireless transceiver for communication and that uses a low-bandwidth protocol; a service device having a wireless transceiver for receiving low-range communication signals. The service device is connected to the first network resource. The second network resource does not receive communication signals through the short-range wireless protocol.

In communication with the system is also a virtual connection system, which has a controller with a virtual table and a filter and the first and second spatially distributed transceivers connected to the controller. These transceivers are configured to communicate wirelessly over a short range wireless protocol with the user device and the service device. The virtual connection system makes a virtual connection between the user device and / or the service device, or the second network resource.

The enable filter checks for a match between the user device and one of the service devices and / or the second network resource when there is a service request and a connection request before making the virtual connection.

The user device, the service device, and the virtual connection system share the same communication protocol, and the virtual connection system is configured to relay instructions and data between the user device and the service device.

The user device has a first communication protocol, the resource has a second communication protocol, and the virtual connection system has a first and a second communication protocols.

The common virtual connection system further comprises one or more additional resources associated with the spatially distributed communications network and one or more service devices.

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The virtual table has a device input that corresponds to each of the serving devices, additional serving devices, resource, and additional resources. Device input contains several fields: device type field, field name given, natural / natural field, location field, virtual service name field, virtual list of serviced objects, virtual service authorization field, and advertising on the field. The enable filter compares the identity of the user or user group with the virtual device input permission service field of the device and compares the requested device type with the advertisement on the device input field to verify the match between the user device and at least one serving device or one resource.

The method of establishing a virtual connection between a user device and a service device involves generally establishing a wireless connection between a user device and an access point; obtaining user identification or group and request type identification from a user device; establishing a connection between the service device and the access point; when there is a match between the access right and the services available on the servicing device; filing a device discovery request and a service discovery request and requesting a connection to the service device.

This system has a relatively complex configuration requiring an additional control device for transferring data from the transmitter to the receiving device.

In addition, the use of the system is limited due to the use of short-range protocols.

A system (3) is known for allowing the reception and transfer of at least one data file between a host and a destination system connected to a network consisting of:

a host system where such a host system is associated with a transmitting host system and a first storage area and where the host system executes one or more applications that generate at least one data file;

a destination system where this system is associated with a destination system receiving device and a second storage area; and a file transfer agent / agent running on the host system, where the file transfer agent forms an interface between one or more applications and the network, and further comprising a message manager, a file sending and receiving manager, where the file transfer agent facilitates the transfer of data files between the first storage area and the second storage area by: scanning the first storage area to find out where at least one data file is stored, as the presence of such a file calls for it to be transferred to the designated destination system; extracting the destination address of the specified destination system from the information associated with the data file;

transferring the data file to the second storage area within the destination system using the extracted address.

A method is known / 3 / wherein the computer executes one or more application programs that generate transfer source files, which consists of the following steps: the application or programs store the transfer or transfer source files in an external file area of the computer; scanning the external file sphere to identify the transfer source file or files and, if found, selecting one or more transfer source files from the available transfer files; extracting each of the selected transfer files and associating each transfer file with at least one destination address for each of the destination destinations to be transferred, where each destination destination is selected from one or more transmission destinations; transmission of each selected transfer file to each destination destination associated with such selected transmission file based on the destination destination address.

It is also known in the art to perform communication between mobile devices through an additional service unit, which focuses a large part of the functions of the communication units on mobile devices.

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Therefore, data transmission is performed at a relatively slow speed.

A major disadvantage of the known solutions is the functionality of the communication unit. Many of its functions in these solutions are exported to an auxiliary block, such as a server or relay platform. Communication is not done directly but necessarily through a server. In the communication block of the other solutions, only the connection initialization functionality is represented, without the corresponding (picking up) functionality.

SUMMARY OF THE INVENTION

It is an object of the invention to provide a system and method of direct link for data exchange between two mobile devices which has a simplified structure and higher security in connection and a higher data rate.

The task is accomplished by a direct data linking system between two mobile devices comprising at least a first and a second mobile device, each of which includes a user block comprising a resource block that includes a means of user communication and an event logging system and is connected to the two-way transmission / reception of information, control and notification signals with a logic block, which is connected to the two-way transmission / reception of information, control and notification signals with communication ok.

According to the invention, the user block and the logic block are further connected via a multimedia block, and the communication block of the first mobile device is connected directly to the communication block of the second mobile device via an open communication channel for data transfer.

In addition, according to the invention, the multimedia unit includes at least a media device for recording and reproducing sounds and a media device for displaying graphic images. It can optionally include a media device for video data visualization and a media device for document display.

According to the invention, the logic unit includes at least a communication dialer control system, a communication notification block management system, a communication receiving block control system, and a data transfer management system and a user event management system.

The communication block includes a dialing block, a notification block and a receiving block.

The invention also relates to a method for establishing a direct data connection between two mobile devices and switching to an open communication channel comprising the following steps:

• Bring the call pickup device to standby, triggering the operation of a system detector that monitors an incoming call on the data line. In the Symbian OS of the RLine object, the Notification method set is NotifyincomingCall.

• The device initializing device dials directly the data numbers of the receiving device, either through the Dial method of the Rcall object or by opening a connection to the modem itself via the Open method of the RComm object. Once the comm port is open an ATDT AT command is sent to the modem itself.

• The system detector of the receiving device signals an incoming call on the data line.

• A system clock starts, which waits N seconds before raising the line. The user has the option of not accepting an incoming call and closing. If no interruption of incoming call is registered during these N seconds, proceed to the next step.

• The connection to the modem itself of the receiving device is opened, using the Open method of the RComm object. Once the comm port is opened, the AT command ATA is sent to the modem itself, by which the call is accepted and the modem initialization procedures are started.

• Read all incoming information on open Comm ports on both devices. The symbol for the successful initialization of the connection is the CONNECT character string and NO CARRIER for the error.

65611 Bl • Digital information can be written and read in the open communication channel as text and / or data sets - files.

An advantage of the invention is that a direct data communication link between two mobile devices has a higher security of connection and a higher speed. This is due to the elimination of elements used in known mobile communication systems. In addition, the system according to the invention enables the transfer of data between two mobile devices without the need for a personal computer, as well as for the transmission of data without limitation of the type of transmitted data - text, sound, graphic image or other type, as well as for fast transmission of information through the data channel of the mobile operator.

Explanation of the annexed figures

Figure 1 is a general diagram of the system blocks;

Figure 2 is a block diagram of the system blocks;

Figure 3 is a method for establishing a connection and switching to an open communication channel;

Figure 4 is an algorithm for operating the system in an already open communication channel according to the invention.

Examples of carrying out the invention

An exemplary direct link system between two mobile devices comprises at least one first and one second mobile device, each of which includes a user block 110 comprising a resource block 111 that includes user communication means and an event logging system 112 and is connected to two-way transmission / reception of information, control and notification signals with a logic unit 130 that is coupled to two-way transmission / reception of information, control and notification signals with a communication unit 140.

The user unit 110 and the logic unit 130 are further connected via a multimedia unit 120, and the communication unit 140 of the first mobile device is connected directly to the communication unit of the second mobile device via an open communication channel. In addition, according to the invention, the multimedia unit 120 includes at least a media device for recording and reproducing sounds 121 and a media device for displaying graphic images 122. Optionally, it may also comprise a media device for displaying video data 123 and a media device for displaying documents 124.

According to one embodiment of the invention, the media device for displaying graphic images 122, the media device for viewing video data 123, and the media device for viewing documents 124, for example, doc, xls, pdf, etc., are part of the Symbian operating system. This mobile operating system is a collection of program code that controls the hardware of the device at the lowest level and provides easy access for the user. Depending on the type of device, the operating system may be retrofitted or installed during production on a ROM chip whose information is not subject to change. The system gives developers the ability to create software for the specific operating system through their public libraries.

According to the invention, the logic unit 130 includes at least a communication dial control system 131, a communication notification control system 132, a communication receiving block management system 133 and a data transfer management system 134 and a user event management system 135 The communication unit 140 includes a dialing unit 141, a notification unit 142, and a receiving unit 143.

The operation of the system is also made clear by the following description of the functions of the blocks, the type of data exchanged and the type of communication between the blocks.

The main function of user unit 110 is to communicate with the user with intelligible means and to facilitate its operation with the software. The unit is interactive, visualizing the current state of the system, e.g. if any other device has been connected, how6

65611 Bl data has been exchanged, etc. The basic task of the block is to accept the user's requests: to make or break a connection, to exchange text, sound or a file.

The main function of the logic unit 130 is to control the user unit 110 and the multimedia unit 120 and to control the communication unit 140. It communicates with the communication interface and the software protocol. In addition, logic block 130 determines what action will be taken through user block 110. For example, if a text message is received, logic block 130 sends a signal to user block 110 to preview the message and signal to the user. In addition, the logical unit 130 receives the user requests through the user unit 110 and transmits them to the communication unit 140.

A primary function of the multimedia unit 120 is to view received image, audio, or document images. It is commanded by logic block 130 or directly from the user interface when the user wishes to listen to, for example, a voice message.

A primary function of the communication unit 140, which operates at a low level and communicates with the modem of the device, is to communicate with another device (dial the data channel number); monitors / expects to call another device; answer a call from another device reads and writes data into an open communication channel which transmits to the logic block 130; monitors for disconnection between two devices. On interruption, it informs the logic unit 130, which transmits the information to the user interface to display a warning message to the user.

There are basically three types of data exchanged between blocks:

Service message that transmits service information such as the start of a file transfer. The official communications shall also include confirmation that the request has been received.

Text messages, which are required with a business tag, to initialize the beginning and end of the message.

Files, without restriction on their type of documents, ringtones, graphic images and more.

Communication from user 110 to logic block 130 includes defined events from the Symbian operating system that inform the logic block 130 about the user's actions. The logic block 130 can modify and control the user block 110 using Public Programming Interface (API) libraries of the Symbian operating system.

In communications between multimedia block 120 and logic block 130, the latter provides the multimedia block 120 with information about the type of data and what action should be taken - text preview, document or picture or audio file playback, and sends a command to start the operation. Multimedia block 120 sends a signal to logic block 130 about the current status of the operation, which may be a rendering or audition error or a successful completion of the action.

In the communication between user unit 110 and multimedia unit 120, the user signals to perform a particular activity, e.g., if he wants to listen to a melody through user unit 120. The multimedia unit 120 returns to the user unit 110 the result of the corresponding command - document preview, picture or play a tune.

In the communication between logic 130 and communication unit 140, logic unit 130 defines and sets to communication unit 140 the type and volume of data and data itself to be transmitted through the data communication channel. The communication unit 140 submits possible service messages that serve the logical unit 130 to stop the current transfer in the event of an error or to accept a pending request - text or other data type.

The method according to the invention is illustrated by the following example (Fig. 3).

There is a direct connection for data exchange between the communication blocks of two mobile devices with a built-in modem, which is part of the hardware of the device, and a data number provided by the mobile operator. The method is implemented with devices, ba7

65611 Symbian operating systems are performed in the following steps:

1. Bringing the call answering device to standby. At this stage, the system detector starts, which monitors the incoming call on the data line. In this case, the Symbian operating system uses the RLine object with the NotifylncomingCall 310 notification method.

2. The device initializer dials directly the data numbers of the receiving device. There are two ways to dial, choosing the one that is more appropriate depending on the device model 320:

a. By the Dial method of the RCall object;

b. By opening the connection to the modem itself through the Open method of the RComm object. Once the comm port is open an ATDT AT command is sent to the modem itself.

3. The system detector 330 of the receiving device signals an incoming call on the data line.

4. System clock 340 starts, which waits for N seconds before raising the line. Here the user has the option of not accepting the incoming call and closing. If no interruption of the incoming call is registered during these N seconds, then continue.

5. The Open command of the RComm object opens a link to the modem itself of the receiving device. Once the comm port is opened, the AT command is issued to the ATA itself to the modem itself, by which the call is accepted and initiates modem initialization procedures 360.

6. The created connection allows to read all incoming information on open Comm ports on both devices. The indicator for successful initialization of the connection is the CONNECT character string and NO CARRIER 370 for the error.

Ί. An already successfully opened communication channel can write and read digital information in the form of text and / or data sets - files.

The operation of the system in an open communication channel state according to the invention is as follows.

As illustrated by the algorithms shown in FIG. 4, the initializing device 410 sends a data transfer request and awaits confirmation from the receiving device 420. If no result is received from confirmation 430, the request is terminated 440. If the response to request 450 arrives, the response is validated 460. If not valid , the request is terminated 440. In the case of a valid answer, confirmation 470 of the result starts data transfer. After a certain period of start of the transfer, for example 1/10 s, the system checks the status of the connection. If the connection is disconnected, the transfer is terminated and the data transfer is successful with a normal connection.

Claims (10)

1. A system for direct connection between two mobile devices, comprising at least the first and second mobile devices, each of which includes a user block comprising a resource block, which includes means for user communication and an event logging system and is connected for two-way transmission / receiving information, control and alerting signals with a logic block that is coupled to two-way transmitting / receiving information, control and alerting signals with a communication block, characterized in that the sensor unit (110) and the logic unit (130) are further connected via a multimedia unit (120), and the communication unit (140) of the first mobile device is connected directly to the communication unit of the second mobile device via an open data communication communication channel . System according to claim 1, characterized in that the communication unit (140) includes a dialing unit (141), a notification unit (142) and a receiving unit (143). System according to claim 1, characterized in that the logic unit (130) includes at least a control system for a communication dialing unit (131), a control system for a communication notification unit (132), a control system for a communication receiving unit (132) 133) and a data transfer management system (134) and a management system8 65611 Consumer Events Blend (135). 4. A method of establishing a direct connection for exchanging data between two mobile devices and switching to an open communication channel by operating in a wireless transmission network and using a wireless modem to communicate between the two devices, that the device that receives the call is put into standby mode, triggering the operation of a system detector that monitors the incoming call on the data line, and then initializes the connection initializing device directly o the receiving device data number and the system detector of the receiving device signal an incoming call on the data line, a system clock is started which waitsN seconds before raising the line, and no interruption of the incoming call is registered during those N seconds. call, the modem connection of the receiving device is opened, the modem initialization procedures are started and data transfer is made through the open communication channel. 25 5. The method of claim 4, wherein the incoming call to the data line is signaled by the NotifylncomingCall method of the RLine object. Method according to claim 4, characterized in that the direct dialing of the data number of the receiving device is carried out by the Dial method of the Rcall object. A method according to claim 4, characterized in that the direct dialing of the data number of the receiving device is 5 is made by opening the connection to the modem itself via the Open method of the Rcomm object and after the comm port is opened an ATDT AT command is sent to the modem itself. Method according to claim 4, characterized in that after starting the system clock, which waits N seconds before raising the line, the user has the option of not receiving the incoming call and closing. 15 Method according to claims 4 and 7, characterized in that the raising of the incoming call on the data line of the receiving device is carried out by opening the connection to the modem itself by the Open method of 20 Rcomm sites and after the comm port is opened. sends an AT command to the ATA modem itself. A method according to claim 4, characterized in that the symbol for the successful initialization of the connection is the symbol string (string) CONNECT and, for error, NO CARRIER.