KR102271820B1 - Global e-learning platform based on close-range group users and service providing method thereof - Google Patents

Abstract

The present invention relates to a short-distance group user-based global e-learning platform and method, and more particularly, to a global e-learning portal capable of viewing a lecture through a portal user app service support, class material sharing, and an integrated viewer; a first device installed with an instructor app capable of downloading and distributing teaching materials, recording and interacting with lectures, and uploading lecture evaluation results to a portal; and a second device installed with a student app capable of recording and reproducing real-time lectures, sharing lecture materials and submitting evaluations, and viewing and uploading personal recordings.

Description

A global e-learning platform system based on short-distance group users and a service provision method thereof {GLOBAL E-LEARNING PLATFORM BASED ON CLOSE-RANGE GROUP USERS AND SERVICE PROVIDING METHOD THEREOF}

The present invention relates to a global e-learning platform based on short-distance group users and a method thereof, and more particularly, by utilizing a mutual interface between multiple users using a mobile device, it is possible to provide a mobile application service between short-distance users in a P2P manner. It relates to a global e-learning platform based on short-distance group users and a method therefor.

With the development of the Internet, the fields that provide services using the Internet in various fields are increasing. As one of them, e-learning, which enables learning through the Internet, has emerged, and such e-learning not only allows users to take classes at the desired time, but also has the effect of saving time and money compared to offline classes.

As a related art in this regard, there is Korean Patent Application Laid-Open No. 10-2017-0073187 "Next-generation e-learning real-time interactive video lecture system and method". The prior art includes a database in which LMS-based member information, course information, service information, and course data for each path are stored, a web server that configures a web page for lectures upon a learner's request and transmits the lecture material path to the learner terminal, and the learner uses the lecture web When a lecture material is requested through a predetermined path using the page, it includes a live chat engine that transmits the lecture material corresponding to the above path in the database as well as voice or text chat information to the learner's terminal in real time. It has the advantage of providing vivid and realistic interactive video broadcast lectures, such as school classes, where learners can directly participate by having a conversation or chatting through text.

However, the prior art requires the use of wired and wireless Internet and can be used only in regions where wired and wireless Internet are developed. And there is a problem that a lot of network load may occur.

In addition, since high-speed communication lines higher than ADSL are used in the e-learning market, there is a problem in that it is difficult for users in developing countries to use them beyond remote, mountainous and island regions.

In addition, due to e-learning using large-capacity contents including multimedia lectures and videos, a huge cost is required to improve the communication environment infrastructure, and when using e-learning services using mobile devices, large communication charges occur, and traffic from base stations increases. There is a problem.

Also, when using the e-learning service using a wireless network, the use speed may be lowered due to the occurrence of large-capacity traffic, and the overseas Internet network environment is mainly composed of a wireless Internet network. There are possible problems.

US 10-2017-0073187 A

The present invention has been devised to solve the above problems, and an object of the present invention is to apply a possible D2D method of direct communication between terminals within a certain radius without using separate network equipment between devices. It is to provide a global e-learning platform and its method.

Another object of the present invention is to provide a global e-learning platform and method based on short-distance group users in which an app applied with Wi-Fi and P2P technology, which are short-range wireless communication technologies, is used for real-time collaboration and communication between user devices.

Another object of the present invention is to provide a global e-learning platform and method based on short-distance group users having an e-learning service that implements EDUCT and a linked service module.

In order to achieve the above object, there is provided a global e-learning platform and method based on short-distance group users according to the present invention, comprising: a global e-learning portal capable of viewing a lecture through a portal user app service support, class material sharing, and an integrated viewer; a first device installed with an instructor app capable of downloading and distributing teaching materials, recording and interacting with lectures, and uploading lecture evaluation results to a portal; a second device installed with a student app capable of recording and reproducing real-time lectures, sharing lecture materials and submitting evaluations, and viewing and uploading personal recordings;

In this case, a portal relay module for linking with external content may be built in the global e-learning portal, and may further include a function of putting big data, real-time user access statistics, and movement paths in the global e-learning portal.

This global e-learning platform consists of the following steps.

generating a name and generating a random password after activating the Wi-Fi AP in the first device; activating a first Bluetooth in the first device and MD5 encryption; activating a second Bluetooth in a second device, and obtaining a name generated by the first device by searching for the first Bluetooth; Decrypting the Wi-Fi AP information and MD5 encryption of the first device in the second device; and performing an authentication procedure and access to a Wi-Fi AP to be accessed by the second device after the decryption.

In addition, in the above step, P2P-based real-time data synchronization is applied for data synchronization between the first device and the second device.

According to the short-distance group user-based global e-learning platform and its room of the present invention, wired Internet is developed as in developing countries by applying the D2D method that enables direct communication between terminals within a certain radius without using separate network equipment between devices. It has the advantage of being able to take e-learning at the same time through direct communication between multiple people without internet access in countries where this is not possible.

According to the present invention, there is an effect that there is no network traffic and a transmission delay is reduced by using the D2D method, which is a direct communication method rather than the wired Internet.

According to the present invention, an app to which Wi-Fi and P2P technology, which are short-range wireless communication technologies, is applied for real-time collaboration and communication functions, there is an advantage that real-time image transmission, user interaction transmission, and voice real-time synchronization are possible.

According to the present invention, it is equipped with an e-learning service that implements EDUCT and a linked service module, and provides a big data-based lecture recommendation system function, real-time user access statistics and movement path identification function, a responsive web-based mobile function, and an external platform It has the advantage of being able to provide various e-learning contents suitable for groups or individuals through linkage with

1 is a flowchart illustrating a connection sequence between devices according to the present invention;
2 is a block diagram showing the implementation state of the global e-learning platform according to the present invention;
3 is a block diagram illustrating a global e-learning platform of the D2D technology method according to the present invention;
4 is a block diagram illustrating a portal relay module according to the present invention.

Hereinafter, a global e-learning platform and method based on short-distance group users according to the present invention will be described in detail together with the accompanying drawings.

1 is a flowchart illustrating a connection sequence between devices according to the present invention, FIG. 2 is a block diagram illustrating an implementation state of the global e-learning platform according to the present invention, and FIG. 3 is a global D2D technology method according to the present invention It is a block diagram illustrating an e-learning platform, and FIG. 4 is a block diagram illustrating a portal relay module according to the present invention.

First, the D2D (Device to Device) technology refers to a technology for directly exchanging data between terminals without going through a base station.

An object of the present invention is to enable smooth e-learning in an area where it is difficult to use wired Internet, such as an island or mountainous region where Internet use is difficult or a developing country, by using such D2D technology.

As shown in FIG. 2 in e-learning of this D2D technology method, it is largely composed of a global e-learning portal 10 , a first device 20 , and a second device 30 .

The global e-learning portal 10 is an EDUCT e-learning-based portal that provides all materials about classes necessary for instructors and students, and its main functions are e-learning support, cyber-learning and aggregation that can operate online-based courses. Provides integrated counseling dashboard for blended learning, content management system (LCMS)-based online course management system, SCORM2004, NON-SCORM, HTML5, FLASH, MP4 content support and individual user counseling that can be conducted in connection with learning do.

In addition, it provides data extraction support for integrated statistical information and detailed RAW data analysis, provides a big data-based lecture recommendation system function, provides real-time user access statistics and route identification function, and provides basic mobile functions based on a responsive web.

Through the global e-learning portal 10, users can learn in a wide variety of fields, and there is an advantage in that each user's preferred education can be recommended and used.

In addition, as shown in FIG. 4, a portal relay module 40 that can be linked with an external platform DB including external API access right management, external API activation and call, external API call result parsing, and external API result data analysis. By constructing this, there is an effect that various new services can be received from the global e-learning portal 10 in connection with various domestic and foreign contents.

And through the global e-learning portal 10, a user can receive an app download service that can be used on an individual device, and can share class materials.

Next, the first device 20 is a device in which the instructor app is installed, and interaction with other devices is possible, so that materials necessary for education such as a lecture plan can be distributed, and lecture evaluation results for students has a function to upload to the global e-learning portal (10).

In addition, the second device 30 is a device in which the student app is installed, and can record and play lectures in real time provided by the global e-learning portal 10, and share lecture materials with other students, The lecture evaluation report, which evaluates the lecture, is submitted to the first device 20 connected to the D2D technology.

In addition, students can share and use learning materials and class materials used in class through the second device 30 to the global e-learning portal 10 with other users.

Meanwhile, the global e-learning portal 10, the first device 20, and the second device 30 are connected to each other in a D2D manner. As shown in FIG. 1, the steps are as follows.

First, starting with the step (S10) of generating a name and generating a random password after activating the Wi-Fi AP in the first device 20, activate the first Bluetooth in the first device 20 and MD5 Encrypting (S20), activating the second Bluetooth in the second device 30, and obtaining the name generated by the first device 20 by searching for the first Bluetooth (S30), the second Decrypting the Wi-Fi AP information and MD5 encryption of the first device 20 in the device 30 (S40), after the decryption, accessing and authenticating the Wi-Fi AP to be accessed by the second device 30 The procedure proceeds to step S50.

Here, MD5 decryption means receiving a message of an arbitrary length and outputting a fixed-length output value of 128 bits. The output value generated in this way is decrypted, which is the reverse step of encryption, and the previously input value can be checked. .

As described above, the first device 20 that has activated the Wi-Fi AP goes through an MD5 encryption step, and the second device 30 searches for the first device 20 through Bluetooth, and then The second device 30 decrypts what was encrypted by the first device 20 , so that it can be connected to each other through access and authentication to the Wi-Fi AP of the first device 20 .

In this case, P2P-based real-time data synchronization is applied for data synchronization between the first device 20 and the second device 30 .

When the first device 20 and the second device 30 are connected in this way, as shown in FIG. 3, data is shared through a mutual connection rather than a method of distributing data in a central server, and a wired/wireless Internet environment You can take the course at the same time under conditions similar to those of

In conclusion, the effects according to the present invention are as follows.

Whereas a typical D2D platform for data exchange between short-distance users can connect only up to six devices, the present invention overcomes the limitation of data transmission and reception between nearby mobile devices, allowing multiple users to communicate smoothly. , there is an advantage that real-time synchronization of more than 20 people is possible.

In addition, by utilizing Wi-Fi AP, unlike systems that access a central server using wired and wireless Internet to distribute data and control sessions, by applying an Internet environment that does not support large-capacity traffic, multiple users such as group users can Even if connected at the same time, the service has a stable effect.

In addition, since the wired/wireless Internet is not used, there is an advantage in that the cost of installing the wired/wireless Internet can be saved.

And with all these effects, even in places where wired and wireless Internet is not developed, such as in island and mountainous regions or developing countries, it has the advantage of providing e-learning learning to a large number of students in real time by using real-time group sessions and data synchronization technology. .

10 : Global e-learning portal
20: first device
30: second device
40: portal relay module

Claims (5)

In the e-learning platform system based on D2D middleware that enables short-distance P2P method control,
E-learning support that can run online-based courses, blended learning that can connect cyber learning and group learning, content management system (LCMS)-based online course management system, SCORM2004, NON-SCORM, HTML5, Provides an integrated counseling dashboard for FLASH and MP4 content support and individual user counseling, supports portal user app service, shares class materials and enables viewing of lectures through an integrated viewer, and provides a big data-based lecture recommendation system function, A global e-learning portal (10) that provides real-time user access statistics and route identification functions and provides mobile basic functions based on a responsive web;
a first device 20 in which an instructor app capable of downloading and distributing teaching materials, recording and interacting with lectures, and uploading lecture evaluation results to the portal is installed; and
A second device 30 installed with a student app capable of recording and playing real-time lectures, sharing lecture materials and submitting evaluations, and viewing and uploading personal recordings;
A portal relay module 40 for linking with external content is built in the global e-learning portal 10,
The first device 20 generates a name after activating the Wi-Fi AP, generates a random password, activates the first Bluetooth, and MD5 encrypts the password,
The second device 30 activates the second Bluetooth, searches for the first Bluetooth, obtains the name generated by the first device 20, and the Wi-Fi AP information of the first device 20 and the MD5 encrypted password is decrypted to connect to the Wi-Fi AP to be accessed and perform an authentication procedure to be interconnected with the first device 20,
Data synchronization between the first device 20 and the second device 30 is a short-distance group user-based global e-learning platform system, characterized in that P2P-based real-time data synchronization is applied.
delete delete A portal relay module 40 for linking with external content is built, e-learning support that can operate online-based courses, blended learning that can link cyber learning and group learning, and a content management system (LCMS) )-based online course management system, SCORM2004, NON-SCORM, HTML5, FLASH, MP4 content support, and an integrated counseling dashboard for individual user counseling, and portal user app service support, class material sharing and lectures through an integrated viewer A global e-learning portal (10) that enables users to view and provides a big data-based lecture recommendation system function, real-time user access statistics and route identification function, and a responsive web-based mobile basic function (10), lesson plan download and data distribution, The first device 20 installed with the instructor app that enables lecture recording and interaction, lecture evaluation result portal upload, and real-time lecture recording and playback, lecture material sharing and evaluation submission, and personal recording viewing and uploading are installed. In the service providing method of a short-distance group user-based global e-learning platform system including a second device 30,
After activating the Wi-Fi AP in the first device 20, generating a name and generating a random password (S10);
activating a first Bluetooth in the first device 20 and MD5 encryption of the password (S20);
activating a second Bluetooth in the second device 30, and obtaining a name generated by the first device 20 by searching for the first Bluetooth (S30);
Decrypting the Wi-Fi AP information and the MD5 encrypted password of the first device 20 in the second device 30 (40);
After the decryption, the second device 30 connects to the Wi-Fi AP to be accessed and performs an authentication procedure (50); including;
The data synchronization between the first device 20 and the second device 30 is a service providing method of a global e-learning platform system based on short-distance group users, characterized in that P2P-based real-time data synchronization is applied. delete

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