KR100661224B1 - Ubiagent Method and System for realizing Ubiquitous in wireless network - Google Patents

Abstract

According to the present invention, a mobile terminal accesses a ubiquitous server, downloads a context recognition execution condition, collects context information including at least one of user information, terminal information, and surrounding environment information by using a ubiquitous agent module to execute the stored context recognition. When the context information corresponds to the context recognition execution condition by determining a time point corresponding to a condition, it is determined whether service data according to the context recognition execution condition exists in the storage unit, and the service according to the context recognition execution condition. If data exists in the storage unit, the corresponding service data is outputted, and the ubiquitous agent is developed on the mobile terminal using the context-aware technology of ubiquitous computing to simplify the user input process and when and where the user wants the information. It may be provided automatically and conveniently.

Mobile Terminal, Ubi Server, Context Aware, Context, Sensor, Ubi Agent

Description

Ubiagent Method and System for Realizing Ubiquitous in wireless network             

1 is a block diagram schematically showing the configuration of a ubiquitous agent system for realizing ubiquitous computing in a wireless network according to the present invention.

2 is a block diagram schematically showing the configuration of a mobile terminal shown in FIG.

3 is a block diagram schematically showing the configuration of the ubiquitous agent module shown in FIG.

4 is a flowchart illustrating a ubiquitous computing realization method in a wireless network according to the present invention.

5 is a flowchart illustrating a ubiquitous computing realization method in a wireless network according to another embodiment of the present invention.

6A and 6B illustrate screen examples when the mobile terminal downloads a context recognition execution condition.

<Explanation of symbols for the main parts of the drawings>

100: mobile terminal 110: Ubi server

200: wireless processing unit 210: control unit

220: ubiquitous agent module 230: display unit

240: storage unit 250: key input unit

260: speech processing unit 300: context recognition module

310: sensor unit

The present invention relates to a ubiquitous computing system and method for realizing ubiquitous computing in a wireless network for establishing a ubiquitous computing environment in a mobile terminal.

Mobile terminals have been used only as a tool for transmitting and receiving telephones in the past and have recently been developed as devices for enjoying wireless Internet and performing electronic commerce. That is, it is a result of the development of information related to individual users and platform technology for providing the same.

The mobile terminal can be divided into wired / wireless communication technology, terminal platform technology, base software technology, application software technology, and the like. Terminal platform technologies include operating system technology, MMI technology, embedded software technology, and the basic software technologies include download platforms and browser technologies such as WIPI, Brew, and J2ME. There is a technique.

The basis of these technologies starts with embedded software technology. Many of the technologies provided by mobile terminals include an ARM core that acts as a CPU in baseband hardware that basically provides a modem role, and is designed to control the modem. It is evolving to have a built-in platform that can use applications or wireless Internet by using time except modem time.

In the near future, various types of sensors or embedded computers will be ubiquitous computing environments that can penetrate everyday life and provide services that satisfy users' needs anytime and anywhere. The ubiquitous computing environment detects the user's state, analyzes the detected state information, and provides appropriate personalized services.

In particular, the personalized service environment deviates from the service environment uniformly provided to all users and guarantees personalized services reflecting the user's personalized environmental conditions. In order to realize such service environment, context-aware technology plays an important role in generating and integrating information about users and surrounding environment through various kinds of sensors and executing personalized service based on the integrated information.

However, the current terminal technology is not based on a platform that provides a ubiquitous computing environment.

In addition, the current system is a type of application that the program executes when a user requests a service, and it is a type of service that is visited, not a service that finds it, and thus services such as schedule management, memo, and address book set in advance by the user are provided. The reality is that users are searching for services by complex procedures.

Accordingly, an object of the present invention is to develop a ubiquitous agent on a mobile terminal using the context-aware technology of ubiquitous computing to simplify the user input process and to automatically receive the information desired by the user anytime and anywhere. To provide a ubiquitous agent system and method for realizing quarters computing.

According to an aspect of the present invention to achieve the above object, in a mobile terminal equipped with a storage unit to realize ubiquitous computing, access to the ubiquitous server to download the context recognition execution condition, using a ubiquitous agent module Collecting context information including at least one of user information, terminal information, and surrounding environment information to determine a time point corresponding to the stored context recognition execution condition, and when the context information corresponds to the context recognition execution condition, the context It is determined whether service data according to a recognition execution condition exists in the storage unit, and if service data according to the context recognition execution condition exists in the storage unit, the corresponding service data is output. How to realize this Ball.

If service data according to the context recognition execution condition exists in the storage unit, a context recognition execution condition matching screen including outline information of service data corresponding to the context recognition execution condition is displayed.

If the service data according to the context aware execution condition does not exist in the storage unit, after downloading and storing the service data according to the context aware execution condition from the ubiquitous server, the service data may be automatically or by a service data request command input. Output

According to another aspect of the present invention, a ubiquitous server and a ubiquitous agent module for storing service data for context-aware execution logic are mounted to collect context information, and the collected context information corresponds to the context recognition execution condition downloaded from the ubiquitous server. And a mobile terminal for outputting service data according to the context recognition execution condition, wherein the ubiquitous agent module manages a sensor unit for detecting information about the surrounding environment, the surrounding environment detected by the sensor unit, and user information. When context information about a user, a terminal, and a surrounding environment is received from the context management unit and the context management unit, service time according to the context recognition execution condition is determined by determining a time point at which the received context information corresponds to the context recognition execution condition. Output Provided is a ubiquitous agent system for realizing ubiquitous computing in a wireless network comprising a context recognition unit.

The context manager includes a user context manager that manages information about a user, a terminal context manager that manages which sensor or network resource is currently available, and an environment context manager that manages the surrounding environment information sensed by the sensor. .

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram schematically showing the configuration of a ubiquitous agent system for realizing ubiquitous computing in a wireless network according to the present invention, FIG. 2 is a block diagram schematically showing the configuration of a mobile terminal shown in FIG. 2 is a block diagram schematically showing the configuration of the ubiquitous agent module shown in FIG. 2.

Referring to FIG. 1, the ubiquitous agent system for realizing ubiquitous computing in a wireless network includes a mobile terminal 100 equipped with a ubiquitous agent module, and a ubiquitous server 110 for processing / storing / transmitting service data for context-aware execution logic. ).

The mobile terminal 100 downloads the context recognition execution condition from the ubiquitous server 110, and the context information necessary for this is received and recognized through a sensor.

If the recognized context information corresponds to the context recognition execution condition, the mobile terminal 100 downloads and outputs data according to the context recognition execution condition from the ubiquitous server 110. That is, the mobile terminal 100 equipped with the ubiquitous agent module plays a role of analyzing a user's request and actively connecting necessary services.

The mobile terminal 100 performing the above role will be described in detail with reference to FIGS. 2 and 3.

Referring to FIG. 2, the mobile terminal 100 includes a wireless processor 200, a controller 210, a ubiquitous agent module 220, a display 230, a storage 240, a key input 250, and a voice processor ( 260).

The wireless processing unit 200 communicates with the ubiquitous server 110 when the service requested by the user is not processable in the terminal itself.

The key input unit 250 includes a plurality of numeric / character keys and function keys for performing various functions, and transmits an electrical signal of key data corresponding to a key input by a user to the controller 210.

The display unit 230 displays the state of the mobile terminal 100 under the control of the controller 210.

The voice processor 260 receives and demodulates a wireless signal received through the antenna from the wireless processor 200, outputs a voice signal by a speaker, modulates a voice signal input by a microphone, and modulates the wireless processor 200. Transmit by antenna.

The storage unit 240 stores a program for the operation of the controller 210 and data processed during the operation.

The controller 210 generates various commands or control signals for collectively controlling the operation of the mobile terminal 100.

The control unit 210 controls the context recognition execution condition downloaded from the ubiquitous server 110 through the wireless processing unit 200 to be stored in the storage unit 240.

In addition, when the ubiquitous service request command is input through the key input unit 250, the controller 210 analyzes the meaning of the ubiquitous service request command and issues a service data request command corresponding to the meaning of the ubiquitous server 110. To send). The service data request command may be input to the key input unit 250 using a predetermined key or voice. When the service data request command is input by voice, the controller 210 analyzes the voice to determine the command and transmits the service data request command to the ubiquitous server.

When the context recognition execution condition is received from the controller 210, the ubiquitous agent module 220 collects context information necessary for the context recognition execution condition, and determines a time point when the collected context information corresponds to the received context recognition execution condition. .

When the collected context information corresponds to the context recognition execution condition, the ubiquitous agent module 220 communicates with the ubiquitous server 110 to download service data corresponding to the context recognition execution condition.

The ubiquitous agent module 220 performing the above role will be described in detail with reference to FIG. 3.

Referring to FIG. 3, the ubiquitous agent module 220 includes a context recognition module 300 and a sensor unit 310.

The context recognition module 300 includes a context recognizer 302 and a context manager 304.

The context recognizer 302 stores the context recognition execution condition downloaded from the ubiquitous server 110, and when context information about a user, a terminal, and an environment is received from the context manager 304, the received context It is determined when the information corresponds to the context recognition execution condition.

Then, when the collected context information corresponds to the context recognition execution condition, the context recognizer 302 receives the service data from the ubiquitous server 110 and controls the display data to be displayed through the display unit 230.

In addition, if the collected context information corresponds to the context recognition execution condition, the context recognition unit 302 provides a context recognition execution condition matching screen to the user. On the context recognition execution condition matching screen, outline information of service data corresponding to the context recognition execution condition is displayed. If the user wants to view the displayed context recognition execution condition matching screen and the detailed information of the service data, the user can access the ubiquitous server 110 using the wireless Internet and know the detailed information.

For example, a case in which the context-aware execution condition is a restaurant guide around a golf course will be described. When the user goes to the golf course to play golf, a context-sensitive execution condition matching screen is displayed to guide the nearby restaurants at lunch or dinner time. If the user wants to navigate to a nearby restaurant, the user is connected to a navigation service server to provide the user with a context-sensitive service without user input.
The golf course is an example of a context-aware execution target, and targets all forms of processing a target service when a user sets a desired target, such as a downtown shop or a coffee shop index search.
The context manager 304 includes a user context manager 304a, a terminal context manager 304b, and an environment context manager 304c.

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The user context manager 304a manages information about the user, for example, the user's age, age, name, interest item, and the like. The user information may be managed at the terminal or remotely managed at the server. Accordingly, the user context manager 304a loads a context stored in the terminal or server or stores the context again.

The terminal context manager 304b manages which sensors or network resources are currently available. For example, it can store location information via GPS, location via server, what sensors are, what networks are available, what network is preferred, and send it to the context recognizer. do.

The environment context manager 304c manages the surrounding temperature, humidity, light brightness, noise, time, location, and the like. The environment context manager 304c may obtain an environment context from a sensor middleware or data from a mobile infrastructure environment through a network middleware. The data obtained through the network middleware may be, for example, a traffic state, weather, and the like.

The sensor unit 310 includes a sensor middleware that collects temperature, humidity, light brightness, noise, time, location, and the like around the mobile terminal, and network middleware that collects weather and traffic conditions. The sensor middleware includes a temperature sensor for measuring temperature, a humidity sensor for measuring humidity, an optical sensor for measuring the brightness of light, a noise sensor for measuring noise, and a GPS for obtaining a current location. Here, in the method of obtaining the current position, if the position search through GPS is possible, the position is obtained by using the GPS, and if the position search through the server is possible, the position is obtained through the server.
Furthermore, the ubiquitous agent module 220 is an intelligent agent, which is software for interworking with the control unit 210 that collectively controls the operation of the mobile terminal 100 and performs autonomous processing on behalf of a user for a specific purpose; Refers to a module combining ubiquitous by sensoring and wireless communication. In addition, when the UBI agent module 220 receives a context recognition execution condition included in the context recognition execution logic being downloaded from the UBI server 110 and stored in the storage unit 240 by the operation of the control unit 210. After collecting context information on the context recognition execution condition, and determining the time when the collected context information corresponds to the context recognition execution condition, the service provided from the ubiquitous server 110 in conjunction with the control unit 210 Provide the data for the user to check.
In addition, the ubiquitous agent module 220 includes a context recognition module 300 including a context recognition unit 302 and a context management unit 304, and a sensor unit 310 including sensor middleware and network middleware. In addition, the ubiquitous agent module 220 is the context management unit 304 through the sensor process through the sensor middleware and the data collection process provided through the service infrastructure and network devices, such as the weather, traffic, and the like connected to the network middleware communication ) To form the context information, and determine whether the context information satisfies the context recognition execution condition by the context recognition unit 302. According to the determination result, the context recognition unit 302 notifies the determination result to the control unit 210 to execute a program related to the context set by the user.
On the other hand, the control unit 210 of the mobile terminal 100 is typically implemented through an electronic chip such as a microprocessor. In addition, the context recognition module 300 including the context recognition unit 302 and the context management unit 304 is operated in software unlike a sensor unit performing sensoring and wireless communication. It may be implemented together with 210 or separately from the controller 210 through a separate electronic chip.

Referring back to FIG. 1, the ubiquitous server 110 transmits a context aware execution condition corresponding to the auto-run ubiquitous service requested by the mobile terminal 100 to the mobile terminal 100. That is, the ubiquitous server 110 displays the context-aware execution logic menu requested by the mobile terminal 100 and accesses the context recognition execution condition selected by the user in the context recognition execution logic menu. 100).

In addition, when the UBI server 110 receives a service data request command corresponding to the context recognition execution condition from the mobile terminal 100, the UBI server 110 transmits the corresponding service data to the mobile terminal 100. The service data request command may be input by a user's voice or key button manipulation.

In addition, when the UBI server 110 receives a service data request command from the mobile terminal 100, it determines whether the requested service is stored in its database. As a result of the determination, if the requested service is stored in the database, the ubiquitous server 110 transmits the corresponding service data to the mobile terminal 100.

If, as a result of the determination, if the requested service does not exist in its database, the ubiquitous server 110 accesses a service provider that can provide a corresponding service through an external network and obtains corresponding service data. Transmission to the mobile terminal 100.

The operation of the ubiquitous agent system for realizing ubiquitous computing in the wireless network configured as described above will be described with reference to FIGS. 4 to 6.

4 is a flowchart illustrating a ubiquitous computing realization method in a wireless network according to the present invention. FIGS. 6A and 6B are diagrams illustrating screen examples when a mobile terminal downloads a context recognition execution condition.

4, the mobile terminal downloads and stores the context recognition execution condition from the ubiquitous server (S400). The context recognition execution condition is processed in the ubiquitous server, and the mobile terminal downloads all or part of the operation data corresponding to the context recognition execution condition together.

That is, when the mobile terminal is connected to the ubiquitous server, the user selects the context recognition execution condition using the menu key. Then, the mobile terminal displays a context aware execution logic list as shown in FIG. 6A. Referring to FIG. 6A for the context-aware execution logic list, the context-aware execution logic may be a restaurant guide around a golf course, a movie guide in front of a movie theater, a suggestion for going out according to the weather, a book service suitable for me, and the like.

When the user selects a desired service, for example, a restaurant guide around a golf course, from the displayed context-aware execution logic list, a screen as shown in FIG. 6B is displayed. That is, when the user selects a restaurant guide around a golf course, the mobile terminal displays 'Received a restaurant guide service around a golf course' as shown in FIG. 6B.

When the download of the context aware execution logic is completed as described above, the mobile terminal terminates the connection with the ubiquitous server.

When the step 400 is performed, the mobile terminal collects context information through the sensor (S402). The context information includes user information, terminal information, and environment information. Accordingly, the mobile terminal collects user information by using a user context manager and collects terminal information by using a terminal context manager.

The mobile terminal collects environment information using an environment context manager, and the environment context manager receives environment information using sensor middleware and network middleware. That is, the environment context manager receives environment information such as location information obtained using GPS, temperature measured using a temperature sensor, humidity measured using a humidity sensor, and the like.

When step 402 is performed, the mobile terminal determines whether the collected context information corresponds to the context recognition execution condition included in the stored context recognition execution logic (S404). For example, when the context recognition execution condition is 'restaurant guide service around the golf course', the mobile terminal has context information corresponding to the context recognition execution condition when the location and time collected through the sensor are a golf course, lunch or dinner time. I judge it.

If the collected context information corresponds to the stored context recognition execution condition as a result of the determination in step 404, the mobile terminal connects to the ubiquitous server to download and output service data according to the context recognition execution condition (S406). The service data according to the context recognition execution condition is output in the form of text or voice.

If the user wants detailed information on the outputted service data, the user can find detailed information by accessing the wireless Internet.

According to another embodiment of the present invention, if the context information corresponds to the context recognition execution condition as a result of the determination in step 404, the mobile terminal determines whether service data according to the context recognition execution condition exists in its storage unit. do. If the service data according to the context recognition execution condition is present in the storage unit as a result of the determination, the mobile terminal displays a context recognition execution condition matching screen including outline information of the service data corresponding to the context recognition execution condition.

If the service data according to the context recognition execution condition does not exist in the storage unit, the mobile terminal downloads and stores the service data according to the context recognition execution condition from the ubiquitous server and outputs the service data. .

5 is a flowchart illustrating a ubiquitous computing realization method in a wireless network according to another embodiment of the present invention.

5, the mobile terminal downloads and stores the context recognition execution condition from the ubiquitous server (S500). The context recognition execution condition is processed in the ubiquitous server, and the mobile terminal downloads all or part of the operation data corresponding to the context recognition execution condition together.

When step 500 is performed, the mobile terminal collects context information through a sensor (S502). The context information includes user information, terminal information, and environment information.

When step 502 is performed, the mobile terminal determines whether the collected context information corresponds to the stored context recognition execution condition (S504).

If the collected context information corresponds to the stored context recognition execution condition, the mobile terminal accesses the ubiquitous server and downloads and stores data according to the context recognition execution condition (S506).

After the execution of step 506, if a service request command according to the context recognition execution condition is received from the user (S508), the mobile terminal outputs the stored service data (S510). That is, if the collected context information corresponds to the context recognition execution condition, the mobile terminal displays a context recognition execution condition matching screen.

Then, the user views the displayed screen and requests service data according to the context recognition execution condition by voice or key selection.

If it is determined in step 504 that the collected context information does not correspond to the context recognition execution condition, the mobile terminal determines whether a service data request command according to the context recognition execution condition is received from the user (S512).

As a result of the determination in step 512, when a service data request command according to the context recognition execution condition is received from the user, the mobile terminal accesses the UBI server and downloads and outputs the service data according to the context recognition execution condition (S514).

At this time, the ubiquitous server determines whether the requested service is stored in its database. As a result of the determination, if the requested service is stored in the database, the ubiquitous server transmits the corresponding service data to the mobile terminal.

If the requested service does not exist in the database as a result of the determination, the ubiquitous server connects to a service provider that can provide a corresponding service through an external network and obtains corresponding service data to the mobile terminal. send.

The present invention is not limited to the above embodiments, and many variations are possible by those skilled in the art within the spirit of the present invention.

As described above, according to the present invention, by using the context-aware technology of ubiquitous computing, the ubiquitous agent is developed on the mobile terminal to simplify the user input process and automatically and conveniently receive the information desired by the user anytime and anywhere. Provided are a ubiquitous agent system and method for realizing ubiquitous computing in a wireless network capable of implementing a service.

Claims (11)

In the mobile terminal equipped with a storage unit for realizing ubiquitous computing, Accessing the ubiquitous server and downloading a context recognition execution condition; Collecting context information including at least one of user information, terminal information, and surrounding environment information using a ubiquitous agent module to determine a time point corresponding to the stored context recognition execution condition; Determining whether service data according to the context recognition execution condition exists in the storage unit when the context information corresponds to the context recognition execution condition; Outputting the service data if the service data according to the context recognition execution condition exists in the storage unit; Ubiquitous computing realization method in a wireless network comprising a. The method of claim 1, In the wireless network, if service data according to the context recognition execution condition exists in the storage unit, a context recognition execution condition matching screen including outline information of the service data corresponding to the context recognition execution condition is displayed. How to realize ubiquitous computing. The method of claim 1, If the service data according to the context aware execution condition does not exist in the storage unit, after downloading and storing the service data according to the context aware execution condition from the ubiquitous server, the service data may be automatically or by a service data request command input. A method for realizing ubiquitous computing in a wireless network, further comprising the step of outputting. The method of claim 3, The service data request command is input using a predetermined key or voice. The method of claim 1, The service data is a ubiquitous computing implementation method in a wireless network, characterized in that the output in the form of text or voice. The method of claim 1, If the context information does not correspond to the context recognition execution condition, determining whether a service data request command according to the context recognition execution condition is input from a user; When the service data request command according to the context recognition execution condition is input from the user, accessing the ubiquitous server and downloading and outputting the data according to the context recognition execution condition further comprises ubiquitous in the wireless network How computing is realized. A ubiquitous server storing service data for context-aware execution logic; Includes a mobile terminal equipped with a ubiquitous agent module to collect context information, and determines whether the collected context information corresponds to the context recognition execution condition downloaded from the ubiquitous server, and outputs service data according to the context recognition execution condition, The ubiquitous agent module includes a sensor unit for sensing information about the surrounding environment; A context manager configured to manage the surrounding environment and user information detected by the sensor unit; When context information about a user, a terminal, and a surrounding environment is received from the context manager, the time point at which the received context information corresponds to the context recognition execution condition is determined to output service data according to the context recognition execution condition. Context recognizer Ubiquitous agent system for realizing ubiquitous computing in a wireless network comprising a. The method of claim 7, wherein When the ubiquitous server receives a service data request command according to a context recognition execution condition from the mobile terminal, it determines whether the corresponding service data is stored in its database and transmits the ubiquitous computing in the wireless network. Ubiquitous agent system. The method of claim 8, If the corresponding service data is not stored in its database, the ubiquitous server connects to a service provider that can provide a corresponding service through an external network and transmits the service data to the mobile terminal. Ubiquitous agent system for ubiquitous computing in wireless network. The method of claim 7, wherein The sensor unit includes a sensor middleware that collects information on at least one of temperature, humidity, light brightness, noise, time, and location around the mobile terminal, and network middleware that collects weather and traffic conditions. Ubiquitous agent system for ubiquitous computing. The method of claim 7, wherein The context management unit A user context manager which manages information about a user; A terminal context management unit managing what sensors or network resources are currently available; Ubiquitous agent system for realizing ubiquitous computing in a wireless network, characterized in that it comprises an environment context management unit for managing the environment information sensed by the sensor unit.

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