KR20160046444A - Download sharing method for data - Google Patents

Abstract

The present invention relates to a data sharing download method. The method comprises: a step of receiving a first portion of data to be downloaded from a server; a step of receiving a second portion of the data to be downloaded from one or more data sharing terminal devices adjacent to a terminal device; and a step of forming data by combining the first portion, received by the server, with the second portion, received from the data sharing terminal devices. Compensation, corresponding to data transmission to the terminal device, is provided to the data sharing terminals. The purpose of the present invention is to provide a data sharing download method to effectively download a large file.

Description

Download sharing method for data

The present invention relates to a method for downloading data from a terminal device such as a smart phone.

2. Description of the Related Art Recently, with the development of network infrastructure and wireless communication technology, a service for downloading contents to a terminal such as a smart phone through a network has been provided. For example, various contents download services are provided through a network, such as a file sharing service and a video on-demand (VOD) service.

The network is configured and maintained by a network operator, for example, an internet protocol (IP) network is configured and maintained by an Internet service provider (ISP).

On the other hand, downloading data through the network is limited in bandwidth, and generally, the bandwidth is expressed as a transmission amount per unit time. A user using a network allocates and uses a channel having a specific bandwidth from a network operator.

Due to the bandwidth limitation, it takes a lot of time to download a large amount of data such as a movie file by wireless communication in a terminal such as a smart phone, and the performance related to the communication function of the terminal is lowered during the downloading time Lt; / RTI >

An object of the present invention is to provide a data sharing download method that enables efficient downloading of a large-capacity file.

According to an embodiment of the present invention, there is provided a data sharing download method comprising: receiving data from a terminal device and receiving a first portion of data to be downloaded from a server; Receiving a second portion of the data to be downloaded from one or more data sharing terminal devices located in the periphery of the terminal device; And constructing data by summing a first portion received from the server and a second portion received from the data sharing terminal devices, wherein compensation corresponding to data transmission to the terminal device is performed by the data sharing terminal device .

According to another aspect of the present invention, there is provided a method of downloading data from a server, comprising: receiving a first portion of data to be downloaded from a server through a first channel; And a data sharing terminal located in the periphery of the terminal device via a second channel using a wireless communication method different from the first channel, From the device.

Meanwhile, the data sharing download method may be embodied as a computer-readable recording medium on which a program to be executed by a computer is recorded.

According to an embodiment of the present invention, data to be downloaded is received from a server through another terminal device in a neighboring shared network, so that it is possible to efficiently use the network while reducing the reception time of a large-capacity file.

In addition, by providing compensation for data reception and transmission to a data sharing terminal device that downloads data from the server and provides the data to the terminal device, the data sharing service between the terminals can be further activated.

1 is a block diagram showing a configuration of a data download sharing system according to an embodiment of the present invention.
2 is a block diagram illustrating a configuration of a terminal device according to an embodiment of the present invention.
3 is a flowchart illustrating a data sharing download method according to an embodiment of the present invention.
4 is a block diagram showing a configuration of a server apparatus according to an embodiment of the present invention.
5 is a flowchart illustrating a data download control method according to an embodiment of the present invention.
6 is a diagram illustrating a configuration of a data sharing network according to an embodiment of the present invention.
7 to 11 are diagrams for explaining embodiments of a method of sharing data in a terminal device.

Hereinafter, a method for downloading data sharing according to an embodiment of the present invention, a terminal device using the same, and a server device will be described in detail with reference to the accompanying drawings.

The foregoing objects, features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Like reference numerals designate like elements throughout the specification. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

Hereinafter, a server device and a terminal device related to the present invention will be described in detail with reference to the drawings. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

1 is a block diagram illustrating a configuration of a data download sharing system according to an embodiment of the present invention. The system shown in FIG. 1 may include a plurality of terminal devices 100 to 103 and a server 200 .

Referring to FIG. 1, a plurality of terminal devices 100 to 103 may be located adjacent to each other and may be connected to each other using a short-range wireless communication method to form one data sharing network 10.

For example, a plurality of terminal devices 100 to 103 may be connected to each other through various short-range wireless communication methods such as Bluetooth, Wi-Fi, or Zigbee in the data sharing network 10 Data can be transmitted and received and shared.

More specifically, the plurality of terminal devices 100 to 103 can form a mesh network-type data sharing network 10 using a data sharing application installed in each of the plurality of terminal devices 100 to 103 , And the network-type data sharing network 10 may be managed by the server 200 through the data sharing application.

In addition, the network-type data sharing network 10 may be infinitely extended by connecting any other terminal device that is connected to the inside of the network and shares the data with the neighboring terminal device as a connection point.

According to an embodiment of the present invention, when a terminal device in the data sharing network 10 downloads data according to a user's request or the like, a part of the data to be downloaded is received from the server 200, And the rest of the data to be received can be received from one or more data sharing terminal devices in the data sharing network 10 located in the periphery of the terminal device.

For example, when the first terminal device 100 wants to download a large-capacity movie file, some of the movie files are received from the server 200, and the remaining part of the movie files are stored in the data sharing network 10 One or more terminal devices of the second terminal device 101 to the n-th terminal device 103 may receive data from the server 200 and transmit the data to the first terminal device 100 to share data.

In this case, the first terminal device 100 may combine the portions received directly from the server 200 and the remaining portions received from the nearby data sharing terminal devices to obtain the entire movie file to be downloaded have.

Meanwhile, when a part of data to be downloaded through another data sharing terminal device in the data sharing network 10 is shared and transmitted to the terminal device, the data transmission to the terminal device (i.e., data sharing) Can be given to the data sharing terminal apparatus.

The compensation for data sharing as described above can be given to and managed by the data sharing terminal device by the server 200. The compensation can be used for the data sharing terminal device to share and receive data from another terminal device have.

In the above description, the server 200 provides data and manages compensation for data sharing. However, the present invention is not limited to this, and the server 200 may store data in a plurality of terminal devices 100 to 103 A separate server (not shown) performing the role of only transmitting data and controlling the data sharing among the plurality of terminal devices 100 to 103 and managing the compensation according to the embodiment of the present invention It may exist.

The terminal device 100 includes a wireless communication unit 110, a user input unit 130, an output unit 150, a memory unit 150, A control unit 180, a data construction unit 190, The components shown in FIG. 2 are not essential, and a mobile terminal having more or fewer components may be implemented.

2, the wireless communication unit 110 includes one or more modules that enable wireless communication between the terminal device 100 and the wireless communication system or between the terminal device 100 and the network in which the terminal device 100 is located can do. For example, the wireless communication unit 110 may include a broadcast receiving module, a mobile communication module, a wireless Internet module, a short distance communication module, and a location information module.

The mobile communication module transmits and receives a radio signal with at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module refers to a module for wireless Internet access, and the wireless Internet module can be built in or externally installed in the terminal device 100. WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access), LTE (Long Term Evolution) However, the present invention is not limited to this, and various wireless mobile communication schemes such as a third generation (3G) or a fourth generation (4G) may be used.

The terminal device 100 can receive data to be downloaded from the server 200 using the wireless mobile communication method described above.

The user input unit 130 generates input data for a user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

The output unit 150 generates an output related to the visual, auditory, or tactile sense. The output unit 150 may include an audio output module, an alarm unit, and a haptic module together with the display module 151.

The display unit 151 displays and outputs information processed in the terminal device 100. [ For example, when the mobile terminal is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the terminal device 100 is in the video communication mode or the photographing mode, it displays the photographed and / or received video or UI and GUI.

The display unit 151 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, a three-dimensional display 3D display).

The display unit 151 is connected to a display unit 151 and a sensor for sensing a touch operation (hereinafter, referred to as 'touch sensor') having a mutual layer structure It can also be used as an input device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

The memory unit 160 may store a program for the operation of the controller 180 and temporarily store input / output data (e.g., a phone book, a message, a still image, a moving picture, etc.). The memory unit 160 may store data related to vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory unit 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory) (Random Access Memory), SRAM (Static Random Access Memory), ROM (Read Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM A disk, and / or an optical disk. The terminal device 100 may operate in association with a web storage that performs a storage function of the memory unit 160 on the Internet.

The control unit 180 typically controls the overall operation of the mobile terminal. For example, voice communication, data communication, video communication, and the like.

The controller 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

The various embodiments described herein may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

According to a hardware implementation, the embodiments described herein may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of processors, controllers, micro-controllers, microprocessors, and electrical units for performing functions. In some cases, And may be implemented by the control unit 180.

According to a software implementation, embodiments such as procedures or functions may be implemented with separate software modules that perform at least one function or operation. The software code may be implemented by a software application written in a suitable programming language. Also, the software codes may be stored in the memory unit 160 and executed by the control unit 180. [

According to an embodiment of the present invention, the terminal apparatus 100 receives a first portion of data to be downloaded from the server 200 via the wireless communication unit 110, For example, one or more data sharing terminal apparatuses located in the periphery of the terminal apparatus 100, for example, the second terminal apparatus 101 to the n-th terminal apparatus 103 in the data sharing network 10 shown in Fig. 1 And can receive at least one.

The data configuration unit 190 may combine the first portion received from the server 200 and the second portion received from the data sharing terminal devices to form data to be downloaded.

In addition, compensation corresponding to data transmission to the terminal apparatus 100 may be performed by receiving, from the server 200, a second portion of data on behalf of the terminal apparatus 100 and transmitting the same to the terminal apparatus 100, And can be given to the shared terminal device.

As described above, the compensation provided to the data sharing terminal device can be managed by the server 200 in the form of a point, and the point is that the data sharing terminal device receives data from another data sharing terminal device Can be used.

In order to share data with other terminal devices, if necessary, by using the points given as compensation for data sharing, the terminal device 100 subtracts a point corresponding to data reception from the nearby data sharing terminal device And a point management unit 195 for managing points.

On the other hand, the points can be charged using a payment means such as cash or a credit card.

3 is a flowchart illustrating a data sharing download method according to an embodiment of the present invention. The data sharing download method shown in FIG. 3 will be described with reference to a block diagram illustrating a configuration of the terminal device 100 shown in FIG. 2 do.

3, the wireless communication unit 110 of the terminal device 100 receives a first part of data to be downloaded from the server 200 (step S300), and the first part is received from the server 200 The second part of the data to be downloaded is received from one or more data sharing terminal devices located around the terminal device 100 in step S310.

For example, the terminal device 100 may receive a download request for specific data from the user via the user input unit 130, and may request the server 200 to transmit the first part of the download requested data have.

In addition, the terminal device 100 transmits the second part, which is the remaining part of the data requested to be downloaded, to the data sharing network 10, which can be connected using short- It may request sharing of the second part to one or more data sharing terminal devices selected from the second terminal device 101 to the n-th terminal device 103.

In this case, in response to the data sharing request from the terminal device 100, the data sharing terminal devices selected from the second to the n < th > terminal devices 101 to 103 transmit the data And transmit the second part of the data transmitted from the server 200 to the terminal device 100 in response to the transmission request.

According to an embodiment of the present invention, the terminal device 100 and the second terminal device 101 to the n-th terminal device 103 can communicate with each other at a short distance, such as Bluetooth, Wi-Fi or Zigbee, At least one of the second terminal device 101 to the n-th terminal device 103 is connected to the shared network 10 by using the wireless communication method so that the terminal device 100 can download And transmits the divided data to the terminal device 100 for sharing.

On the other hand, the terminal device 100 and the second terminal device 101 to the n-th terminal device 103 are wireless mobile devices such as Code Division Multiple Access (CDMA), Long Term Evolution (LTE) or Wi- Data can be separately received and shared from the server 200 using a communication method.

According to another embodiment of the present invention, the terminal device and the data sharing terminal devices can receive data using different wireless mobile communication methods.

For example, the terminal device 100 is connected to the Internet via Wi-Fi and receives a first portion of the data from the server 200, and the second terminal device 101 to the n-th terminal device 103 may access the Internet via LTE and receive the second portion of the data from the server 200 and share the data with the terminal 100 connected via Bluetooth.

The terminal device 100 receives the first part of the data to be downloaded from the server 200 through the first channel and transmits the second part of the data to the server 200 while receiving the data through the first channel. From the data sharing terminal apparatus located in the periphery of the terminal apparatus via the second channel. In this case, the first channel and the second channel may use different wireless communication schemes.

For example, the terminal device 100 receives a first portion of the data from the server 200 through a first channel for transmitting and receiving data using LTE, and a second channel for transmitting and receiving data using Bluetooth Through the second terminal device 101 to the n'th terminal device 103 and receive the second part of the device from it.

After all the parts of the data to be downloaded are received as described above, the data constructing unit 190 combines the first part received from the server 200 and the second part received from the neighboring data sharing terminal devices The data to be downloaded is configured (step S320).

Meanwhile, the data sharing terminal device selected from among the second terminal device 101 to the n-th terminal device 103 may be given compensation corresponding to the data transmission to the terminal device 100.

For example, the compensation applied to the data sharing terminal apparatus may be based on at least one of the amount of data transmitted to the terminal apparatus 100 and the wireless mobile communication system used for receiving data from the server 200 in step S310 And the point may be used for the data sharing terminal apparatus to receive data from another data sharing terminal apparatus.

Specifically, the greater the amount of data shared by the data sharing terminal apparatus 200 and received by the terminal apparatus 100, the greater the number of compensation points given to the terminal apparatus.

If the data sharing device receives and shares high-quality data from the server 200 using the LTE or 4G (4G) communication method, even if the shared data amount is the same, More compensation points can be given to the data sharing terminal apparatus when receiving and sharing data from the data sharing terminal apparatus.

For example, when a terminal device of a particular user shares 1 GB of data received from the server 200 using LTE to other terminal devices, it is possible to earn points by sharing and sharing 2 GB of data from another terminal device And can serve as an incentive to allow higher quality data to be shared among terminal devices.

The point management unit 195 of the terminal device 100 may subtract a point corresponding to data reception from the nearby data sharing terminal apparatus in step S310.

Hereinafter, the configuration and operation of the server 200 according to an embodiment of the present invention will be described with reference to FIGS. 4 and 5. FIG. However, the description of the same operations as those described with reference to Figs. 1 to 3 during the operation of the server 200 will be omitted.

FIG. 4 is a block diagram illustrating a configuration of a server according to an exemplary embodiment of the present invention. The server 200 includes a communication unit 210, a data division unit 220, a compensation management unit 230, (240) and a controller (250).

4, the server 200 is connected to the terminal devices 100 to 103 through a network such as a wired / wireless Internet or the like through the communication unit 210 and the control unit 250, (10) to control the downloading of data.

4 and 5, the data division unit 220 divides the data requested to be downloaded from the terminal device 100 into a plurality of parts (Step S500).

Thereafter, the communication unit 210 of the server 200 transmits the first part of the divided data to the terminal device 100 under the control of the controller 250 (step S510), and the second part of the divided data To the data sharing terminal devices of the second terminal device 101 to the nth terminal device 103 located in the periphery of the terminal device 100 in step S520.

For example, when the server 200 divides data requested to be downloaded from the terminal device 100 and transmits the data to the terminal device 100 and at least one terminal device selected from the second terminal device 101 to the n-th terminal device 103 As shown in FIG.

That is, the terminal device 100 can receive a download request for specific data from the user through the user input unit 130 and request the server 200 to transmit the download requested data.

At this time, the server 200 determines the type and size of the data requested to be downloaded from the terminal device 100, the data reception rate or performance of the terminal device 100, the data sharing network 10 that can be connected to the terminal device 100, The data requested to be downloaded is divided into at least one of the terminal device 100 and the second terminal device 101 to the nth terminal device 103 in consideration of the number of terminal devices, To the data sharing terminal device.

Accordingly, the data sharing terminal devices selected from the second terminal device 101 to the n-th terminal device 103 receive a part of the data transmitted from the server 200, and are then controlled by the server 200 A part of the received data can be transmitted to the terminal device 100 and shared.

The control unit 250 of the server 200 determines whether or not the second portion of the data transmitted to the data sharing terminal apparatus selected from the second terminal apparatus 101 to the nth terminal apparatus 103 in the data sharing network 10 is the terminal apparatus 100) (step S530).

Then, the compensation management unit 230 provides compensation to the data sharing terminal apparatus corresponding to the data transmission to the terminal apparatus (step S540).

According to another embodiment of the present invention, the shared network management unit 240 of the server 200 includes the terminal devices 100 to 103 connected to each other through a short distance communication method and sharing data, And may manage the data sharing network 10, update the information about the data sharing network 10, and provide the updated information to the respective terminal devices.

6 shows an embodiment of a configuration of a data sharing network.

6, a plurality of terminal devices 100 to 103 may be connected to each other according to a short-range wireless communication method such as Bluetooth, Wi-Fi or ZigBee to form a network-type data sharing network 10 capable of data sharing have.

When the first terminal device 100 desires to download data divided into A, B and C, the first terminal device can receive A, which is a part of the data, from the server 200 using the CDMA communication method .

The remaining portions B and C of the data can be received from the server 200 using at least one of the other terminal devices 101 to 103 in the data sharing network 10. [

For example, if the second terminal device 101 receives B, which is a part of the data, from the server 200 via the Internet connected by Wi-Fi, and the third terminal device 102 receives C Can be received from the server 200 using the LTE communication method.

Meanwhile, while the first terminal device 100 receives A from the server 200 using the CDMA communication method, the second terminal device 101 receives the data received from the server 200 through the Bluetooth communication channel B, and the third terminal device 102 can receive the data received from the server 200 via the Wi-Fi communication channel and receive the C data.

According to another embodiment of the present invention, the terminal device 100 searches neighboring terminal devices capable of data sharing, displays the searched data sharing terminal devices, One or more terminal devices to receive the two parts may be selected from the user.

Hereinafter, embodiments of a method of sharing data in a terminal apparatus will be described with reference to FIGS. 7 to 11. FIG.

Referring to FIG. 7, when downloading of specific data is requested according to a request of a user, the terminal 152 downloads a file name, a file size, an estimated transmission time, and data for the corresponding data on the screen 152 of the terminal device 100 Information about the communication method to be transmitted may be displayed.

In this case, the user may press the 'start transmission' button 153 displayed on the screen 152 to allow the terminal device 100 to receive the corresponding data from the server 200 or the 'data sharing network' button 154 1 to 6, some of the data may be received and shared from the server 200 by using nearby data sharing terminal apparatuses.

For example, when the user selects the 'data sharing network' button 154, the data sharing network 10 (shown in FIG. 8), which is connectable to the screen 152 of the terminal device 100 via the short- (For example, a device identification number or a device name designated by the user) of the terminal devices in the display area.

The user selects at least one of the peripheral terminal devices displayed on the screen 152 through the selection area 156 and receives a part of the data to be downloaded from the server 200 through the selected terminal devices, To be shared by the device 100.

On the other hand, the user can retrieve the terminal devices capable of sharing data around by pressing the 'Search' button.

9, when the user presses the 'start transmission' button 153 after selecting the data sharing terminal device, information about data to be shared downloaded on the screen 910 of the selected peripheral terminal device 900 And buttons 911 and 912 that the user of the water canal terminal device 900 can approve or reject for the data sharing can be displayed.

When the user selects the 'data sharing terminal automatic selection' button 154 on the screen 152 of the terminal device 100 shown in FIG. 8, if the server 200 determines that the transmission speed or performance of the terminal device 100 The amount of data to be downloaded, the current state of neighboring terminal devices, and the like to determine a peripheral terminal device to share data with the terminal device 100.

As described above, when data sharing between the terminal device 100 and the peripheral terminal device is determined and data download from the server 200 is started, as shown in FIG. 10, the terminal device 100 and peripheral data Information on the status of the shared terminal devices downloading data from the server 200 and sharing data among the terminal devices may be displayed on the screen 152. [

Referring to FIG. 11, a user can establish a connection between devices or a connection with a server through a data sharing setting menu. In addition, the user can set the terminal device 100 to always share data with another terminal device in the vicinity, and press the 'point details confirmation' button 1104 to confirm the compensation point acquired through data sharing .

The data sharing download method and the data download control method according to the present invention may be implemented as a program for execution on a computer and stored in a computer-readable recording medium. Examples of the computer- A RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, as well as a carrier wave (for example, transmission via the Internet).

The computer readable recording medium may be distributed over a networked computer system so that computer readable code can be stored and executed in a distributed manner. And, functional programs, codes and code segments for implementing the above method can be easily inferred by programmers of the technical field to which the present invention belongs.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention.

Claims (16)

A method for downloading data from a terminal device,
Receiving a first portion of data to be downloaded from a server;
Receiving a second portion of the data to be downloaded from one or more data sharing terminal devices located in the periphery of the terminal device; And
Constructing data by summing a first portion received from the server and a second portion received from the data sharing terminal devices,
Wherein the data sharing terminal device is provided with compensation corresponding to data transmission to the terminal device. The method according to claim 1,
Wherein the terminal device and the data sharing terminal devices are connected to each other using a short-range wireless communication method to form one shared network. 3. The method of claim 2, wherein the short-
A method of downloading data sharing comprising at least one of Bluetooth, Wi-Fi, and Zigbee. The method according to claim 1,
Wherein the terminal device and the data sharing terminal devices transmit data from the server using a wireless mobile communication method including at least one of Code Division Multiple Access (CDMA), Long Term Evolution (LTE), and Wi-Fi How to download data sharing to receive. 5. The method of claim 4,
Wherein the terminal device and the data sharing terminal devices receive data using different wireless mobile communication methods. 2. The data sharing terminal device according to claim 1,
The amount of data transmitted to the terminal device, and the wireless mobile communication method used to receive data from the server. 7. The method of claim 6,
Wherein the data sharing terminal device is used for receiving data from another data sharing terminal device. The method according to claim 1,
Further comprising the step of subtracting a point corresponding to data reception from the data sharing terminal apparatus. The method according to claim 1,
Searching neighboring terminal devices capable of data sharing;
Displaying the searched data sharing terminal devices; And
And selecting one or more terminal devices to receive the second portion of the data among the displayed data sharing terminal devices. A method for downloading data from a terminal device,
Receiving a first portion of data to be downloaded from a server on a first channel; And
The data sharing terminal apparatus according to claim 1, wherein, while data is being received through the first channel, a second portion of the data to be downloaded is transmitted to a data sharing terminal apparatus located in the periphery of the terminal apparatus via a second channel using a wireless communication method different from the first channel, The method comprising the steps of: 11. The method of claim 10,
Wherein the terminal device and the data sharing terminal devices are connected to each other using a short-range wireless communication method to form one shared network. 12. The method of claim 11, wherein the short-
A method of downloading data sharing comprising at least one of Bluetooth, Wi-Fi, and Zigbee. 11. The method of claim 10,
Wherein the terminal device and the data sharing terminal devices transmit data from the server using a wireless mobile communication method including at least one of Code Division Multiple Access (CDMA), Long Term Evolution (LTE), and Wi-Fi How to download data sharing to receive. 11. The method of claim 10,
Searching neighboring terminal devices capable of data sharing;
Displaying the searched data sharing terminal devices; And
And selecting one or more terminal devices to receive the second portion of the data among the displayed data sharing terminal devices. 11. The method of claim 10,
And determining at least one wireless communication method among the first and second channels according to a transmission rate of the data. 16. A recording medium on which a program for causing a computer to execute the method of any one of claims 1 to 15 is recorded.

Images