KR100277672B1 - Method for providing information using global positioning system and short message service - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a method for providing information using a single professional service and a wide area positioning system.

2. The technical problem to be solved by the invention

According to the present invention, the CDMA mobile communication system collects and corrects location and situation data from a terminal having a global positioning system (GPS) using a single expert service (SMS) to control the situation of each terminal or user. To provide a method of providing information for providing additional information according to a situation.

3. Summary of Solution to Invention

The present invention provides a method for providing additional information such as traffic information, living information, emergency information, and the like in a code division multiple access (CDMA) mobile communication system. A first step of reporting a current location and a situation of a user from a mobile station interworking with a terminal having a positioning system (GPS); And determining the exact location of the terminal in the central center, analyzing the user's situation according to the location of the terminal, and providing additional information appropriate to the situation to the mobile station in real time through the SMS. Includes Step 2.

4. Important uses of the invention

The present invention is used in a CDMA mobile communication network.

Description

TECHNICAL FOR PROVIDING INFORMATION USING GLOBAL POSITIONING SYSTEM AND SHORT MESSAGE SERVICE}

According to the present invention, a central center uses a short message service (SMS) in a code division multiple access (CDMA) mobile communication system to provide a terminal with a global positioning system (GPS). The present invention relates to a method of providing information that collects and corrects location and situation data to control the situation of each terminal or provide traffic information, living information, and emergency information appropriate to a user's situation.

Conventionally, a mobile phone installed by an individual or installed in each vehicle can be provided with services or various additional information (ie traffic information, living information, emergency information, etc.) according to the situation of each user. Very few methods or very limited data communication media have been used.

Therefore, a method of transmitting and receiving position data of each terminal using a frequency common communication (TRS) or a wireless data communication network has been generally used, and a separate special transmission / reception apparatus has to be constructed.

However, these devices, including GPS, were so large that they were difficult to carry or simply install in a vehicle. When using such devices to provide information according to the user's situation, the error of each user's position was corrected. It was difficult to do, and also there was a problem that comes with the economic burden when using the network.

The present invention has been made in order to solve the above problems, the central center in the CDMA mobile communication system using a single point service (SMS) to collect location and situation data from a terminal with a global positioning system (GPS) built-in and It is an object of the present invention to provide a method of providing information for controlling the situation of each terminal by providing correction or providing additional information according to the situation of the user.

1 is a block diagram of a mobile communication system to which the present invention is applied.

2 is a data processing flowchart between a central center and a terminal used in the present invention.

3 is a flowchart of an embodiment of an information providing method according to the present invention;

* Explanation of symbols for the main parts of the drawings

10: location tracking correction base station 20: central center

30: single professional service server 40: single professional center

50: switching center (MSC) 60: control station (BSC)

70: base station (BTS) 80: mobile station (MS)

90: terminal

In order to achieve the above object, the present invention provides a method for providing additional information such as traffic information, living information, emergency information, etc. in a code division multiple access (CDMA) mobile communication system, wherein A first step of reporting a current location and a situation of a user from a mobile station linked with a terminal having a global positioning system (GPS) using an SMS; And determining the exact location of the terminal in the central center, analyzing the user's situation according to the location of the terminal, and providing additional information appropriate to the situation to the mobile station in real time through the SMS. Characterized in that it comprises two steps.

The present invention further provides a third step of the central center requesting the mobile station to report the current location and situation of the terminal to the mobile station through the mobile communication network to report the current location of the terminal and the situation of the user. Characterized in that the made up.

The present invention monitors the situation of the user according to the location of the location tracking terminal attached or connected to the cellular mobile phone through the SMS of the cellular mobile communication network to monitor in the central center, and additional information suitable for the situation to each terminal user (preferably Traffic information, life information, emergency information, etc.) In other words, the mobile communication network collects and corrects location and situation data from a small terminal in which GPS is embedded using a SMS in a central center to control the situation of each terminal or provide necessary information data.

As such, the present invention is to assist the operation by the central center to grasp the location and status of each mobile terminal and to provide each mobile terminal with a message for control and instruction or to provide information required by each mobile device, in particular a taxi call service For example, the location of vehicles managed by a specific company, such as logistics vehicle control service and salesperson management system, can be obtained from the central center in real time, resulting in efficient dispatch management, resulting in rapid service and cost savings.

In particular, the present invention uses the SMS network for data transmission and reception between the mobile terminal and the central center.

In general, since SMS only sends text information to message fields, it cannot send binary information, which is a machine code. The reason is that if the data field is "XX00" while sending information, the SMS center recognizes it as termination and does not immediately exit the information transmission.

Accordingly, in the present invention, it is possible to process binary information in the SMS center without obstacles, it is possible to transmit low-cost location information using the SMS network. In addition, it is possible to send and receive messages during a call by using SMS, so that the necessary information can be used at any time. When using a conventional wireless data network, it is possible to make a significant contribution to the spread of services by compensating for the disadvantage that data transmission and reception are impossible when the terminal is in a voice call.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a mobile communication system to which the present invention is applied.

As shown in FIG. 1, a mobile communication system to which the present invention is applied is a position for correcting position information received from each terminal 90 using a differential global positioning system (DGPS) and generating accurate position information. Tracking and correction base station 10, the central center 20 for monitoring the status of each terminal 90 and using a database to search and provide information, and the mobile station 80 built in the GPS to request the necessary information Terminal 90 for receiving or receiving data, and a single professional service server 30 for transmitting and receiving data using a single professional service in a mobile communication network, a single specialized center (SMC: SMS Center) 40, an exchange station 50, a control station 60, communication means composed of a base station 70, and a mobile station 80. As shown in FIG.

The position tracking correction base station 10 sets the GPS correction value based on the coordinate set as the absolute measurement value, and compares and corrects the error of the position data of each terminal 90 received at the center center 20 to correct the correct position information. Provided to the central center 20.

The position tracking correction base station 10 is composed of a GPS antenna unit, a DGPS receiver, DGPS correction software, and the like.

The central center 20 transmits the location and status report request data to each terminal 90 through a communication means, and only the location information of the location and status data received from each terminal 90 to the location tracking correction base station 10. After transmitting and correcting the position, the exact position and situation of the terminal 90 are analyzed, and appropriate data is retrieved from the database, and then transmitted to each terminal 90 again through a communication means.

The central center 20 includes a basic geographic information system (GIS) unit on a Windows Network Terminal Server (NT) server, a database unit that manages shape information, customer information, and attribute information. And a data processing unit for analyzing and providing information, and a network unit connecting the single-specialty center 40.

The terminal 90 is composed of a central processing unit (CPU) including a GPS linked to the mobile station 80, and centralizes the location information, the situation, and the request information through a communication means at a desired time using a specialized service protocol. By receiving and transmitting with the center 20, location tracking and related additional services are provided.

The terminal 90 is composed of a GPS engine, a control unit, a switch unit, a power supply rectifying unit, and a supply unit. The terminal 90 is mounted in a mobile station 80 or a hands-free set.

The communication means transmits the GPS and the status report data from each terminal 90 interworking with the mobile station 80 to the central center 20 using a single professional service through a code division multiple access (CDMA) network. Sending and receiving, the function of each component constituting the communication means is as follows.

The mobile station (MS) 80 interworks with the terminal 90 to communicate with the base station 70 through a public network to transmit and receive call connection and traffic messages, and to connect the user to the base station 70 to perform voice conversion and incoming / outgoing calls. Performs a signal processing function for

The base station (BTS) 70 communicates with the mobile station 80 through a public network to perform call control functions such as call connection and transmission and reception of traffic data, and is connected to the control station 60 by wire and transmitted by the mobile station 80. The call connection or traffic message is transmitted to the control station 60, or the message transmitted by the control station 60 to the mobile station 80 is transmitted to the mobile station 80 through the public network. It also handles signal processing for communication with the control station 60 and maintenance with communication with the operating station.

The control station 60 is connected to the base station 70 to perform call processing functions such as call / receive and handoff between the base station 70 and the switching station 50, and is responsible for maintenance of the base station 70.

The exchange 50 connects to the control station 60, the public switched telephone network (PSTN), and other exchanges to perform mobile phone call / receive call processing, handoff processing, system maintenance, and operation management functions.

Single-professional center (SMC) 40 connects each terminal 90 to the central center 20 through the single-specialized service server 30 using a single-specialized service. Accordingly, the terminal 90 generates a single field service field based on the single field service message to be transmitted, and the central center 20 analyzes the single field message and transmits the data to the terminal 90 through the CDMA network. do.

2 is a flowchart of data processing between a central center and a terminal used in the present invention.

If the central center 20 transmits the location and status report request data for requesting the current location and status report of the terminal 90 attached to each vehicle to the vehicle where each terminal 90 is located through the CDMA network, Each terminal 90 transmits the request information required by the user to the central center 20 through the CDMA network along with its location information. In addition, each terminal 90 may transmit the request information required by the user to the central center 20 together with its own location information without a request from the central center 20. In this case, the data processing flow from the terminal 90 to the central center 20 is as follows.

First, when the terminal 90 transmits a data request message (Data Request) indicating its location and situation to the mobile station 80, the mobile station 80 displays a data request response indicating a result of the data request message (Data Request). A message (Data Req Resp) is transmitted to the terminal 90, and access / traffic channel selection data is transmitted to the base station 70.

Thereafter, when the base station 70 transmits a short message transmission message SM_Send_Msg indicating transmission of a short message to the switching center 50, the switching center 50 transmits a short message point-to-point delivery message (SMDPP: Short Message Deliver). Point to Point) protocol is transmitted to the single center 40.

Next, the single professional center 40 transmits a single professional delivery message (deliver_sm) to the single professional service server 30 so that the single professional service server 30 requests from each terminal 90 to the central center 20. Send information and location information. That is, when the single expert service server 30 transmits a data request message (Data Request) indicating the location and situation of the terminal 90 to the central center 20, the central center 20 receives the received data request message (Data). A data request response message (Data Req Resp) indicating a result of the request is transmitted to the single expert service server 30.

Meanwhile, when the central center 20 extracts only the location information from the data received from the terminal 90 and transmits the location information to the location tracking correction base station 10, the location tracking correction base station 10 is corrected after the location tracking data is corrected. Announce the contents to the central center (20).

The central center 20 retrieves the information on the request from each terminal 90 and transmits the information required by the user to the position of the corrected terminal 90 through the CDMA network. Looking at the data processing flow to the terminal 90 as follows.

First, when the central center 20 transmits a data request message (Data Request) for the information requested from each terminal 90 to the single-service server 30, the single-service server 30 is a data request message ( The data request response message (Data Req Resp) indicating the result of the data request is transmitted to the central center 20, and the short message submission message (submit_sm) is transmitted to the short specialized center 40.

Thereafter, when the specialty center 40 transmits a short message point-to-point delivery message (SMDPP) protocol to the switching center 50, the switching center 50 transmits the short-single transmission message (SM_Send_Msg) to the base station. 70).

Next, when the base station 70 transmits the paging / traffic channel selection data to the mobile station 80, the mobile station 80 sends a data request message (Data Request) indicating the inquiry information from the central center 20. ), The terminal 90 transmits a data request response message (Data Req Resp) indicating a result of the data request message (Data Request) to the mobile station (80).

3 is a flowchart illustrating an information providing method according to the present invention.

In the information providing method according to the preferred embodiment of the present invention, the central center 20 is a terminal 90 attached to each vehicle, and reports request data on the current location and status of each terminal 90 through the CDMA network. Request information required by the terminal 90 is transmitted to the vehicle in which the terminal 90 is located so that each terminal 90 reports its location and situation to the central center 20 or the terminal 90 does not require the central center 20. May be transmitted to the central center 20 with its location information. This procedure is as follows.

First, if the central center 20 transmits the location and situation report request data to the terminal specialized center 40 to request the current location and situation report of each vehicle to the terminal 90 attached to each vehicle (301), The professional center 40 transmits the location request data and the status report request data of the central center 20 to the mobile station 80 interworking with each terminal 90 through the CDMA network (302).

Then, if the mobile station 80 transmits the location and status report request data from the central center 20 received through the CDMA network to each terminal 90 (303), each terminal 90 is the central center 20 Displays the information required by the central processing unit (CPU) in the terminal 90 collects the current position and status data and transmits to the mobile station 80 (304).

Next, when the mobile station 80 transmits the location and situation data collected by the terminal 90 to the monopoly center 40 through the CDMA network (305), the monopoly center 40 is received through the CDMA network. The location and situation data is transmitted to the central center 20.

Subsequently, the central center 20 receives the position and situation data indicating the position and the situation of the terminal 90 received from the single-specialty center 40 and analyzes the situation of each terminal 90 (307). At this time, the central center 20 transmits only the position data to the position tracking correction base station 10 to correct the error according to the position of the terminal 90 in the position tracking correction base station 10 and reports the corrected position contents (308). ).

Finally, the central center 20 retrieves the information about the data from the database when the user needs specific information when analyzing the situation data, and adjusts the single expert center 40 and the CDMA network to the corrected position as described above. Information is provided to the user through 309.

The present invention can provide more various additional services to general mobile telephone users. For example, if the data to be transmitted includes image and audio information, the data processing can be performed to represent a switching 3D graphic to a wireless data communication channel, and can be applied to location and walking guidance for the disabled.

An information providing method according to a preferred embodiment of the present invention may have various effects as follows.

First, general mobile phone subscribers can be provided with a variety of information by linking a very simple terminal 90 to the mobile station 80.

For example, in the event of a breakdown of an operating vehicle or an urgent situation, the subscriber may report his or her location to the central center 20 via a single professional service (SMS) to inform the user of the situation at the central center 20. Appropriate information services can be provided.

Second, the user can be provided with the service very conveniently by making it the smallest by breaking away from the existing bulky GPS receiver and embedding it in the hands-free set or in the mobile phone.

Third, it can be easily applied to other application services.

For example, operators such as bus and taxi companies can easily check and adjust the vehicle's dispatch interval and provide passengers with information about the arrival of the vehicle. In addition, the terminal 90 installed in the vehicle reports its location, and analyzes and analyzes traffic information such as the traffic congestion status of each vehicle in the central center 20, together with information of other information providers. Users can be provided with cheap traffic information, geographic information, and living information through a single professional service (SMS).

Fourth, by generating accurate location information using the Inverse Differential Wide Area Positioning System (IDGPS), it can be applied to application applications requiring more sophisticated location information.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the spirit of the present invention for those skilled in the art to which the present invention pertains, and the above-described embodiments and accompanying It is not limited to the drawing.

As described above, the present invention is a small terminal with a built-in GPS, which uses a single expert service (SMS) through a CDMA network to analyze various emergency situations according to the location information of each terminal to control the situation of each terminal or user. The additional information such as traffic information, living information, and emergency information appropriate to the situation can be provided inexpensively in real time to the user.

Claims (6)

In the code division multiple access (CDMA) mobile communication system to provide additional information such as traffic information, living information, emergency information, etc. A first step in which the central center reports a current location and a situation of a user from a mobile station interworking with a terminal having a global positioning system (GPS) using a single-service service (SMS) of a mobile communication network; And The second center to determine the exact location of the terminal, to analyze the situation of the user according to the location of the terminal, and provides additional information appropriate to the situation in real time to the mobile station through the SMS (SMS); step Information service method using a single professional service and wide area positioning system comprising a. The method of claim 1, A third step of the central center requesting the mobile station to report the current location and the situation of the terminal to the mobile station through the mobile communication network to report the current location of the terminal and the situation of the user from the mobile station; Information providing method using a single professional service and wide area positioning system further comprising. The method of claim 2, The third step, A fourth step of the central center transmitting location and situation report request data about a current location and a situation of the terminal to a single expert center; A fifth step of transmitting, by the single professional center, the location and status report request data received from the central center to the terminal linked to the mobile station through the mobile communication network; A sixth step of displaying, by the terminal, information requested by the central center on a screen, collecting current location and situation data, and transmitting the collected location data to the mobile station; A seventh step of transmitting, by the mobile station, the location and situation data received from the terminal to the single specialty center using a single specialty service of the mobile communication network; And An eighth step of transmitting, by the single-specialty center, the location and situation data received from the mobile station to the central center. Information service method using a single professional service and wide area positioning system comprising a. The method according to any one of claims 1 to 3, The first step is, A ninth step of the terminal collecting current location and situation data of the terminal and transmitting it to the mobile station; A tenth step of transmitting, by the mobile station, the location and situation data received from the terminal to the single specialty center using a single specialty service of the mobile communication network; And An eleventh step of transmitting, by the monopoly center, the position and situation data received from the mobile station to the central center; Information service method using a single professional service and wide area positioning system comprising a. The method of claim 4, wherein The second step, A twelfth step of receiving, by the central center, the situation of the terminal by receiving the position and the situation data received from the single expert center; The central center transmits only the position data of the received position and situation data to the position tracking correction base station to correct the error according to the position of the terminal in the position tracking correction base station, and reports the corrected position contents from the position tracking correction base station. Receiving the thirteenth step; And Step 14, the central center detects the exact location of the terminal from the location tracking correction base station, retrieves user request information according to the analyzed situation data from a database, and provides additional services to the user through the mobile communication network. Information service method using a single professional service and wide area positioning system comprising a. The method of claim 5, The location tracking correction base station, The information using the mono-professional service and wide area positioning system, characterized in that the correction value is set based on the coordinate set as the absolute measurement value, and the corrected position information is generated by comparing and correcting the error of the position data of each terminal received at the central center. How to Provide.