KR20010066351A - Apparatus and method for managing real time wireless network - Google Patents

Abstract

PURPOSE: An apparatus and a method for managing wireless networks in real time is provided to collect call quality, locations, speed and transport information in real time by remotely controlling a measuring terminal using SMSs(Short Message Services) and to carry out the fault supervision of wireless networks and the management of quality, based on these data. CONSTITUTION: An apparatus for managing wireless networks in real time is comprised of a measuring terminal(11), a controller(15), a terminal(16), a network management center(18), an operation center(19) and a client center(20). The measuring terminal(11) collects measurement information for wireless networks in real time according to SMS control messages. The controller(15) generates the SMS control messages to manage the measuring terminal(11) and extracts management information and transport information from measurement information. The terminal(16) monitors the faults of wireless networks, based on extracted information, and manages the optimum quality of calls.

Description

Real-time wireless network management device and its method {APPARATUS AND METHOD FOR MANAGING REAL TIME WIRELESS NETWORK}

The present invention is a wireless data network such as wireless subscriber network (WLL), broadband wireless subscriber network (B-WLL), radio frequency network (TRS), intelligent transportation network (ITS), mobile telephone network (Cellullar), personal portable Wireless networks, including telecommunication networks (PCS), other mobile telephone networks in foreign countries, and next-generation mobile networks such as IMT-2000 (International Mobile Telecommunication) and UMTS (Universal Mobile Telecommunication Service), which are currently being standardized in European and North American ways. Real-time wireless network management device that can collect and process management information such as call quality, location, speed, and transportation information in real time using Short Message Services (SMS) in communication system and its A method and a computer readable recording medium having recorded thereon a program for realizing the method.

In the related art, operators used a method of carrying out analysis and engineering based on the collected information by operating operators directly with measurement equipment for wireless network management. However, this does not reflect the changing wireless environment in real time due to various factors such as time, user, interference, and operation status, which requires a lot of manpower, time, and cost. In addition, in order to recognize the failure of the wireless network, it was necessary to rely only on the measurement of the failure of the system or the complaints of the subscribers, the operator has a problem that can not accurately grasp the current wireless network quality status in real time.

The present invention has been made to solve the above problems, and collects call quality, location, speed, and transport information in real time by controlling the measurement terminal remotely using a short message service (SMS) in a wireless communication system It is an object of the present invention to provide a real-time wireless network management device for wireless network failure monitoring and quality control, and a method thereof, and a computer-readable recording medium recording a program for realizing the method.

1 is a configuration diagram of an embodiment of a real-time wireless network management apparatus according to the present invention.

Figure 2 is a detailed configuration diagram of an embodiment of a measuring terminal of a real-time wireless network management apparatus according to the present invention.

Figure 3 is a detailed configuration diagram of one embodiment of a terminal in a measuring terminal of a real-time wireless network management apparatus according to the present invention.

Figure 4 is a flow diagram of an embodiment of an information collection process of a real-time wireless network management method according to the present invention.

5 is a flowchart illustrating a process of determining a measurement mode according to a measurement start control message processing in a real-time wireless network management method according to the present invention.

FIG. 6 is a flowchart illustrating a process of collecting and transmitting measurement information by a measurement terminal in measurement mode I of a real-time wireless network management method according to the present invention; FIG.

7 is a flowchart illustrating a process of collecting and transmitting measurement information by a measurement terminal in measurement mode II of a method for managing a real-time wireless network according to the present invention;

8 is a flowchart illustrating a process of collecting and transmitting measurement information by a measurement terminal in measurement mode III of a real-time wireless network management method according to the present invention;

9 is a flowchart illustrating a process of collecting and transmitting measurement information in measurement mode IV by a measurement terminal in a method for managing a real-time wireless network according to the present invention;

FIG. 10 is a flowchart illustrating a process of collecting and transmitting measurement information in a measurement mode V by a measurement terminal in a method for managing a wireless network according to the present invention; FIG.

* Explanation of symbols for the main parts of the drawings

11: measuring terminal 12: base station (BTS)

13: control station (BSC) / switching center (MSC) 14: short message service (SMS) center / server

15 controller 16 terminal

17: receiving terminal 18: network management center

19: Operation Center 20: Customer Center

The present invention for achieving the above object, in the apparatus for monitoring and quality control over the wireless network in a wireless communication system, according to a control message, information collection for collecting the measurement information for the wireless network in real time Way; First control means for generating the control message to manage the information collecting means and extracting management information and transportation information from the measurement information; And operation management means for monitoring the failure of the wireless network and managing optimal call quality based on the management information and transportation information extracted from the first control means under the control of the first control means. It is characterized by.

In addition, the present invention, in a wireless network management method applied to a wireless communication system, the controller for managing the wireless network to generate a control message to remotely control a plurality of measurement terminals, the wireless network through the A first step of transmitting to a plurality of measurement terminals; The plurality of measurement terminals read a command according to the control message to set a parameter value for performing the command, collect and measure measurement information of the wireless network in real time according to the parameter value, and then wirelessly Transmitting to the controller via a network; A third step of the controller extracting management information and transportation information from the measured measurement information; And a fourth step in which the controller monitors the failure of the wireless network and manages an optimal call quality based on the extracted management information and transportation information.

In addition, the present invention, in a wireless communication system having a processor, the controller for managing a wireless network to generate a control message to remotely control a plurality of measurement terminals to the plurality of measurement terminals through the wireless network A first function of transmitting; The plurality of measurement terminals read a command according to the control message to set a parameter value for performing the command, collect and measure measurement information of the wireless network in real time according to the parameter value, and then wirelessly A second function for transmitting to the controller via a network; A third function of the controller extracting management information and transportation information from the measured measurement information; And a computer-readable recording medium having recorded thereon a program for realizing a fourth function of monitoring an obstacle of the wireless network and managing optimal call quality based on the management information and transportation information extracted by the controller. .

The present invention collects call quality, location, speed, and transport information in real time in a wireless communication system such as a mobile communication network, a personal mobile communication network, a wireless data communication network, a next generation mobile communication network, and provides information for wireless network failure monitoring and quality control. To provide transport information to the transport sector. To this end, in the present invention, the controller transmits a control message to the short message service (SMS) to control the measurement terminal remotely, and the controlled measurement terminal collects information according to the controller's instructions and reports it as a measurement information message. As such, the controller controls a plurality of measurement terminals, processes the measurement information messages received from them, and then extracts and distributes radio network management information and transportation information, respectively.

The control message or the measurement information message proposed in the present invention may be replaced by various types of wireless communication methods other than SMS. In addition, the measurement information collected by the measurement terminal can be switched to various modes, and all the measurement information that the terminal can collect can also be switched. In particular, the present invention can be applied to various types of wireless networks such as personal mobile communication network, wireless data communication network and next generation mobile communication network (IMT-2000) as well as mobile communication network.

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 configuration diagram of an apparatus for managing a real-time wireless network according to an embodiment of the present invention. In the drawings, "11" is a measurement terminal, "12" is a base station transceiver system (BTS), and "13" is a control station (BTS). BSC: Base Station Controller (MSC) / Mobile Switching Center (MSC), "14" is SMS service center / server, "15" is controller, "16" is terminal, "17" is receiving terminal, "18" "Network Management Center", "19" indicates Operation Center, and "20" indicates Customer Center.

As shown in Figure 1, the real-time wireless network management device for failure monitoring and quality control of the wireless network according to the present invention, according to the SMS service control message, the measurement information (preferably a call) for the wireless network Measuring terminal 11 for collecting quality, location, speed, transportation information, etc. in real time, and a short message service (SMS) control message for managing the measuring terminal 11, and from the measurement information, management information (preferably Preferably, call quality, location, speed information, etc.) and the controller 15 extracting the transportation information, and under the control of the controller 15, the failure of the wireless network based on the management information and the transportation information extracted from the controller 15 It includes a terminal (16), a network management center (18), an operation center (19), a customer center (20) for monitoring and managing optimal call quality.

In this embodiment, it is assumed that the wireless network is a code division multiple access (CDMA) mobile communication network.

For better understanding of the present invention, a code division multiple access (CDMA) mobile communication network composed of a base station 12 and a control station / switch station 13 will be described in more detail.

The measuring terminal 11 is in the range of any base station 12, the information of the measuring terminal 11 is transmitted to the switching center 13 via the base station 12 and the control station 13 controlling it, The information transmitted from 13 is transmitted to the measuring terminal 11 via the base station 12 and the control station 13.

The measurement terminal 11 is a terminal mounted in a vehicle and capable of communicating while moving. The measurement terminal 11 uses a forward channel when receiving text and a reverse channel when transmitting. At this time, all text information uses SMS, and when received, a Mobile Terminated (MT) SMS is used, and when used, a Mobile Originated (MO) SMS is used.

In general, a mobile communication system uses a data burst message of a paging channel of a CDMA mobile communication system upon reception, and data of a forward traffic channel when a user is busy. Send the text message as a burst message. In addition, a text burst message of an access channel is used to transmit a text message, and a data burst message of a reverse traffic channel is transmitted when a text message is in use.

Measurement information messages (call quality, location, speed, transport information, etc.) measured by the measuring terminal 11 are connected to the switching center 13 through the base station 12 and the control station 13 for high frequency signal processing and call processing. do.

The base station (BTS) 12 connects the measurement terminal 11 to the control station 13, and includes a digital channel unit (DCU), a time / frequency control unit (TCU), and a wireless device. Radio Frequency Unit (RFU), Global Positioning System (GPS) and the like.

In addition, the base station 12 performs a wired / wireless conversion function of communicating with the measurement terminal 11 via wireless and communicating with the control station 13 by wire.

The control station (BSC) 13 connects the base station 12 to the switching center 13 to coordinate the connection between the base stations 12 and serves as a signal processing function for communication between the base station 12 and the switching station 13.

The switching center (MSC) 13 processes the mobile communication subscriber call in conjunction with the short service center 14. Then, it connects with the control station 13 to perform call setting and release functions of the measurement terminal 11, and performs various functions related to call processing and additional services.

The short message service center 14 is connected to the switching center 13 and the short message service server 14 and plays a key role in SMS processing, sets SMS parameters, and inputs a teleservice identifier (TI) and a destination of an input signal. The address is interpreted and transmitted to the corresponding network element. In particular, the short message service center 14 transmits a signal input from the switching center 13 to the short message service server 14 when the message is set to the short service server 14.

The short message service server 14 is connected to the short message service center 14 and the controller 15, and transmits a measurement information message including call quality, location, and speed transport information from the measurement terminal 11 to the controller 15. do.

The operation of the real-time wireless network management device for fault monitoring and quality control of the wireless network according to the present invention is as follows.

As shown in FIG. 1, the measuring terminal 11 is connected to the mobile communication networks 12 and 13 and to the controller 15, the receiving terminal 17, and the terminal 16.

Here, the measuring terminal 11 and the receiving terminal 17 are connected to a base station 12, a control station / switch 13 which is a mobile communication network according to the IS-95 wireless connection standard, and the controller 15 is connected to an SMS center / server. It is connected to the SMS center / server 14 and the network management centers 18 to 20 based on the transmission control protocol and the Internet Protocol (TCP / IP: Transmission Control Protocol / Internet Protocol) interface of (14). In addition, the terminal 16 is basically connected to the receiving terminal 17 in the RS-232 standard, and may also be selectively connected to the controller 15 using a dedicated line or a telephone line of TCP / IP.

The receiving terminal 17 is connected to the terminal 16 through the RS-232C interface to receive or transmit a call and SMS with the measuring terminal 11.

The controller 15 is connected to the SMS center / server 14 in accordance with the interface standard to send and receive SMS to and from the measurement terminal 11 and to send the SMS to the receiving terminal 17.

Meanwhile, a short service control message is generated to manage the measurement terminal 11, and the operation characteristics of the controller 15 extracting management information and transportation information from the measurement information will be described below.

The controller 15 has a message generating function for generating a short message service (SMS) control message according to an operator's command so that the operation of the measuring terminal 11 can be controlled, and measurement information from the measuring terminal 11 in real time. Information extraction function for receiving and extracting wireless network management information and transportation information from measurement information, and the extracted wireless network management information and transportation information to network management center (18), operation center (19) and customer center (20). It has a function of distributing information. Here, the SMS control message includes a measurement start control message for starting measurement and transmission of the measurement terminal 11, a measurement end control message for stopping measurement and transmission of the measurement terminal 11, and a measurement terminal ( 11) a measurement mode change control message for changing the measurement mode of the measurement mode, a measurement time change control message for changing the measurement time of the measurement terminal 11, and a transfer number change control for changing the transmission number of the measurement terminal 11; Messages, etc. Now, the controller 15 generating a short service (SMS) control message to control the operation of the measurement terminal 11 will be described as follows.

The information extraction function processes the measurement information received from the measurement terminal 11 to distinguish a measurement information message from an acknowledgment message, and processes the acknowledgment message received from the measurement terminal 11 to generate a short message. Retransmission of a service (SMS) control message is determined, and the measurement information received from the measurement terminal 11 is processed and classified into the radio network management information and transportation information according to the location.

The information distribution function distributes wireless network management information to other devices and short service servers in real time, and distributes transportation information to a receiving terminal 17 or a terminal 16 in real time, and processes the transportation information to process the Internet or the In addition to providing to other devices in real time as well as distributing transportation information to the receiving terminal 17 in real time, the receiving address or the receiving number of the measurement information received from the measuring terminal 11 to a predetermined receiving terminal identification number (MIN). It substitutes and processes transportation information and provides it to the Internet to provide traffic information to general Internet users.

On the other hand, the network management center (18), operation center (19) and customer management center (20) for monitoring the failure of the wireless network based on the management information and transport information extracted from the controller 15 and for managing the optimal call quality ) Displays the management information and transportation information extracted from the controller 15 on the map, and controls the receiver terminal 17 to control the call with the measurement terminal 11.

FIG. 2 is a detailed configuration diagram of a measurement terminal of a real-time wireless network management apparatus according to the present invention. In the drawing, "111" denotes a Global Positioning System (GPS) antenna, "112" denotes a terminal, and " 113 "represents an earphone with a microphone, respectively.

As shown in FIG. 2, the measuring terminal 11 of the apparatus for managing a real-time wireless network according to the present invention is equipped with a GPS antenna 111, a terminal 112, a microphone earphone 113, and a terminal 112. It consists of a handfree kit and a GPS receiver.

Here, the hands-free kit and the GPS receiver include an integrated unit or a separate unit for separating the terminal.

In the case of an integrated type, the microphone earphone 111 and the GPS antenna 111 can be attached to the vehicle. Alternatively, the microphone earphone earphone 113, the GPS antenna 111, and the antenna of the terminal may be attached to the vehicle.

In the case of a separate type, the microphone earphone 113 and the GPS antenna 111 are attached to the vehicle, and mounted on the vehicle using the terminal holder.

The terminal 112 is connected to a GPS receiver and a handsfree kit through an RS-232C interface through a data module (DM) port.

The operation characteristics of the measuring terminal 11 will be described in more detail as follows.

The terminal 112 of the measurement terminal 11 constructs a measurement information message with the location and speed information from the GPS receiver, the call quality information measured by the terminal 112 itself, and whether the driver is on or off the passenger, and transmits the measurement information message to the MO SMS. . In addition, the measuring terminal 11 receives and processes the SMS message sent by the controller 15 and performs an instruction. At this time, the messages and information transmitted and received by the measurement terminal 11 are shown in [Table 1].

message send reception indication Information Standby Measurement Information Message Measuring terminal Controller, Receiver Report measurement information Current Time, Latitude, Longitude, Speed, Passenger Ride, No Service, Channel Number, Rx, PN, E _C / I ₀ Call Status Measurement Message Measuring terminal Controller, Receiver Report measurement information Current Time, Latitude, Longitude, Speed, Passenger Ride, No Service, Call Drop, Channel Number, Rx, Tx, Tx_Adj, FER, PN Number of Active Set, PN, E _C / I ₀ Ack message Ack Message number Measurement start control message Controller Measuring terminal Start measurement Measurement mode, standby measurement interval, standby transmission interval, call status measurement interval, call status transmission interval, talk time, random time, call number, transmission number Measurement end control message Controller Measuring terminal Stand by after finishing measurement Measurement message change control message Controller Measuring terminal Collect and transmit measurement information after changing measurement mode Measurement Mode, Standby Transmission Interval, Call Status Measurement Interval, Call Status Transmission Interval, Talk Time, Random Time Measurement time change control message Controller Measuring terminal Collect and transmit measurement information after changing measurement time Standby Measurement Interval, Standby Transmission Interval, Call Status Measurement Interval, Call Status Transmission Interval, Talk Time, Random Time Transmission number change control message Controller Measuring terminal Send measurement information to changed transmission number Transfer number, call number Display message Receiving terminal Measuring terminal Display on the LCD of the terminal Traffic information

The driver can connect and receive calls using a specific key (default value) of the microphone earphone earphone 113 or the keypad (optional value) of the terminal 112, and also specify transportation information such as passenger's riding status and traffic conditions. This information is included in the measurement information message and transmitted.

The measuring terminal 11 should transmit an acknowledgment message to the control message received from the controller 15.

The measurement terminal 11 transmits the measurement information message to the special number designated by the controller 15, and the call communicates with the designated receiving terminal 17 or the number designated by the controller 15. At this time, the transmission target number of the measurement terminal 11 may be initially designated as a special number, and may be changed through a transmission number change message of the controller 15.

Measurement information for each measurement mode transmitted by the measurement terminal 11 in each measurement mode is shown in [Table 2].

Measurement mode Information Measurement state I Standby Current Time, Terminal Identification Number, Latitude, Longitude, Speed, Passenger Ride, No Service, Channel Number, Rx, PN, E _C / I ₀ Ⅱ Call status Current Time, Terminal, Identification Number, Latitude, Longitude, Speed, Passenger Ride, No Service, Call Drop, Channel Number, Rx, Tx, Tx_Adj, FER, PN Number of Active Set, PN, E _C / I ₀ Ⅲ Call waiting state The current time, the terminal identification number, latitude, longitude, speed, whether or not a passenger boarding, No Service, a channel number, Rx, (Tx, Tx_Adj, FER, PN number of the _{Active set), PN, E C} / I 0 Ⅳ Call status Current Time, Terminal, Identification Number, Latitude, Longitude, Speed, Passenger Ride, No Service, Call Drop, Channel Number, Rx, Tx, Tx_Adj, FER, PN Number of Active Set, PN, E _C / I ₀ Ⅴ Call status Current Time, Terminal, Identification Number, Latitude, Longitude, Speed, Passenger Ride, No Service, Call Drop, Channel Number, Rx, Tx, Tx_Adj, FER, PN Number of Active Set, PN, E _C / I ₀

Here, the measurement terminal 11 stores the measurement information when a no service state occurs in the measurement of the measurement mode, and then moves to the service state or the service area and transmits the measurement information. In addition, if a call drop occurs during a call in a call state, the measurement information is immediately transmitted.

To this end, the measurement terminal 11 always collects the measurement information and updates it in a memory or a message queue, so that the latest information is provided in a state of no service, call drop, and completion of a call. In addition, according to the SMS control message, the call quality information of the terminal itself provided inside, location and speed information from the GPS receiver, and transportation information from the driver should be collected.

The terminal 112 in the measurement terminal 11 having the above-described operating characteristics will be described in more detail as follows.

3 is a detailed configuration diagram of an embodiment of a terminal in a measurement terminal of a real-time wireless network management apparatus according to the present invention, in which "301" is a radio frequency (RF) transceiver, "302" is an SMS transceiver, " 303 "denotes a measurement controller," 304 "denotes a position / speed information collecting unit," 305 "denotes a measurement information collecting unit, and" 306 "denotes a transportation information collecting unit.

As shown in FIG. 3, the terminal 112 in the measurement terminal 11 of the apparatus for managing a real-time wireless network according to the present invention uses the terminal 112 according to a short message service (SMS) control message from the controller 15. Measurement controller 303 for controlling and position / speed information collecting unit 304 for collecting measurement information (position and speed information, call quality information, transportation information, etc.) under the control of the measurement controller 303, measurement The information collecting unit 305, the transportation information collecting unit 306, and a short service (SMS) control message of the controller 15 are received and transmitted to the measuring controller 303, and under the control of the measuring controller 303 Message information measured by the speed information collecting unit 304, measurement information collecting unit 305, transportation information collecting unit 306 (location and speed information, call quality information, transportation information, etc.) through a mobile communication network An RF transceiver 301 and an SMS transceiver 302 are transmitted to the controller 15.

The operation characteristics of the components of the terminal 112 in the measurement terminal 11 among the apparatus for managing a real-time wireless network according to the present invention having the above configuration will be described below.

The RF transceiver 301 downconverts the high frequency signal received from the antenna to the baseband signal, filters the downconverted baseband signal, removes the noise, and transmits the noise to the SMS transceiver 302, and then delivers it from the SMS transceiver 302. The baseband signal is upconverted to a high frequency signal, the upconverted high frequency signal is filtered, and noise is transmitted to the antenna.

The SMS transceiver 302 converts the signal transmitted from the RF transceiver 301 into a short message form and transmits it to the measurement controller 303, and transmits the position / speed information, measurement information, and transportation information transmitted from the measurement controller 303. To convert to a short message form and transmits to the RF transceiver 301.

Here, the RF transceiver 301 and the SMS transceiver 302 receive a short service control message from the controller 15 and transmit the short message service control message to the measurement controller 303, and transmit the measurement information under the control of the measurement controller 303 to the measurement terminal 11. ) To create and transmit and receive a message to the measurement information collected in the) to transmit to the controller 15 via a wireless network.

The measurement controller 303 controls the message transmitted through the SMS transceiver 302, the position / speed information transmitted from the position / speed information collecting unit 304, the measurement information transmitted from the measuring information collecting unit 305, And collect and control transportation information transmitted from the transportation information collection unit 306 to the SMS transceiver 302.

Here, the measurement controller 303 selects the start and end of the measurement according to the short service control message received from the controller 15, selects the measurement mode according to the short service control message, or measures the measurement time according to the short service control message. Changing a parameter, changing a transmission number according to a short service control message, or displaying transport information according to a display message received from the controller 15.

The position / speed collection unit 304 collects information about the position / speed from the GPS receiver.

The measurement information collection unit 305 collects information by measuring the call quality in the terminal itself.

The transportation information collecting unit 306 collects transportation information from the driver.

Here, the position / speed collecting unit 304, the measurement information collecting unit 305 and the transportation information collecting unit 306, under the control of the controller 15, to collect the measurement information from the measurement terminal 11, There is a characteristic to collect.

The state of the measurement terminal 11 according to the present invention is divided into an idle state and a traffic state of the terminal, and the call of the communication state means a designated receiving terminal 17 or a controller 15. Means a call to the number indicated by.

Meanwhile, according to the short service control message, the operation characteristics of the measurement terminal 11 for collecting the measurement information for the wireless network in real time are as follows.

The measurement terminal 11 performs measurement at the standby state measurement interval periodically in the standby state according to the Short Message Service (SMS) control message received from the controller 15, and then creates and transmits a measurement information message, and waits. After waiting for the call with the designated receiving terminal 17, the call state measurement information is collected and stored during the call, and when the call ends, the collected measurement information is written and transmitted as a message, and periodically in the standby state. Collect standby status measurement information at each standby status measurement interval and write and transmit the measurement information as a message.When a call occurs, collect and store call status measurement information during a call. Create and transmit, connect the call to the number instructed by the controller 15 and perform the measurement every measurement interval time After completing the call after the designated call time is over, the measured information is saved as a message and transmitted at every transmission interval.This saves the call state measurement information until the test call is completed and then sends it immediately. During the test call, the measurement information is written and transmitted. However, after transmitting all the information stored by the measurement terminal 11, the standby state for a random (Random) interval, and then must be connected to the test call to perform the measurement.

4 is a flowchart illustrating an information collection process in a method for managing a real-time wireless network according to the present invention.

As shown in FIG. 4, in order to manage a wireless network in real time, after receiving control messages as shown in [Table 1] from the controller 15 (401), the received control messages are processed using an ASCII code. The type of control message is determined (402).

As a result of the determination, if the measurement start control message is measured by using the measurement terminal 11 (404), if the measurement mode change control message is changed to the measurement mode using the measurement terminal 11 (405), the measurement time change control message If the measurement time is changed using the measurement terminal 11 at the back (406), and if the transmission number change control message is changed to the transmission number using the measurement terminal 11 (407), if the measurement control message is the measurement terminal 11 The measurement is terminated (408), and if the display message is displayed (409), the process proceeds to the step 401 of receiving the propagated control message.

5 is a flowchart illustrating a process of determining a measurement mode according to a measurement start control message processing in a real-time wireless network management method according to the present invention.

As shown in FIG. 5, first, a measurement mode is determined according to a measurement start control message (501), and measurement information is collected and transmitted for each measurement mode (I to V) as shown in [Table 2] (502, 503, 504, 505, and 506).

6 is a flowchart illustrating a process of collecting and transmitting measurement information by a measurement terminal in measurement mode I according to a method for managing a real-time wireless network according to the present invention.

As shown in FIG. 6, the measurement terminal 11 sets a transmission number for a transmission target (601), sets a measurement and transmission time (602), and checks whether the measurement and transmission time set are completed ( 603).

As a result of the check, if the measurement and transmission time is not completed, the process proceeds to step 603 to check whether it is completed.

As a result of the checking, when the measurement and transmission time is completed, the measurement information such as position and speed information from the GPS receiver, measurement information on the terminal standby state, and vehicle transportation information from the driver is periodically collected in measurement mode in measurement mode I. (604).

Subsequently, after the measurement information is created and transmitted as an SMS message (605), it is checked whether there is an end command for the measurement termination control message (606).

As a result of the check, if there is no termination command for the measurement end control message, the process proceeds to step 603 of checking whether the measurement and transmission time is completed and repeats the above process.

As a result of the check, if there is an end command for the measurement end control message, the standby state is maintained until the measurement start control message is received after the measurement ends (607).

Thus, in measurement mode I, the measurement interval time and the transmission interval time are the same.

That is, the measurement terminal 11 periodically measures in the standby state every measurement interval time, and then prepares and transmits a measurement information message.

7 is a flowchart illustrating a process of collecting and transmitting measurement information by a measurement terminal in measurement mode II according to the present invention.

As shown in FIG. 7, the measurement terminal 11 sets a transmission number for a transmission target (701) and waits until a call occurs in a waiting state, and then checks whether a call occurs (702).

As a result of the check, if the call does not occur, the process proceeds to the process of checking whether the call occurs (702). If the call occurs, the position and speed information from the GPS receiver, the terminal call state measurement information, and the vehicle from the driver in the measurement mode II. After collecting measurement information such as transportation information (703) and storing the collected measurement information (704), it is determined whether to terminate the call (705).

As a result of the determination, if it is not terminated, the process proceeds to the process of determining whether to terminate the call (705). If the process ends, the stored call state measurement information is written and transmitted as an SMS message (706).

Subsequently, it is determined whether there is an end command for the measurement end control message (710), and if there is no end command for the measurement end control message, the process proceeds to step 702 of checking whether a call occurs, and if there is an end command, the measurement is performed in the standby state. Hold 708 until a start control message is received.

That is, the measurement terminal 11 waits in the standby state, and when a call occurs between the designated receiving terminal 17, collects and stores the call state measurement information during the call and stores the measured information stored when the call ends. Write it as a message and send it.

8 is a flowchart illustrating a process of collecting and transmitting measurement information by a measurement terminal in measurement mode III of a real-time wireless network management method according to the present invention.

As shown in FIG. 8, the measurement terminal 11 sets a transmission number for a transmission target (801), sets a measurement and transmission time (802), and checks whether a call occurs (803).

As a result of the check, if no call occurs, it is checked whether the set measurement and transmission time is completed (804).

As a result of the check, if it is not completed, the process proceeds to the process of checking whether it is completed (804). If the measurement is completed, in the measurement mode III, the measurement of the position and speed information from the GPS receiver, the measurement information of the terminal standby state, and the vehicle transportation information from the driver Information is collected (805) and measurement information is created and sent as an SMS message (806).

Subsequently, after transmitting the measurement information message, it is determined whether there is an end command for the measurement termination control message (807).

As a result of the determination, if there is no end command, the process 803 is repeatedly performed at every measurement interval time, and if there is an end command, the measurement is terminated and the standby state is maintained until the measurement start control message is received (813).

On the other hand, when a call occurs, in the measurement mode III, measurement information such as position and speed information from the GPS receiver, terminal call state measurement information, and vehicle transportation information from the driver is collected (808). After storing (809) it is determined whether to end the business call (810).

As a result of the determination, if it is not terminated, the process 803 is repeated until the call is terminated, and when the call is terminated, the stored call state measurement information is written and transmitted as an SMS message (811). It is determined whether there is (812).

As a result of the determination, if there is no end command, the process proceeds to step 803 of checking whether a call occurs. If there is an end command, the measurement ends and the standby state is maintained until the measurement start control message is received (813).

That is, the measurement terminal 11 combines the measurement mode I and the measurement mode II and collects the measurement information of the standby state at intervals of measurement intervals of the standby state periodically generated in the standby state when a call does not occur, and then prepares a measurement information message. It transmits the measurement message and collects and saves the call state measurement information during the call when the call occurs.

9 is a flowchart illustrating a process of a measurement terminal collecting and transmitting measurement information in measurement mode IV according to the present invention.

As shown in FIG. 9, the measurement terminal 11 sets a target transmission number to be transmitted (901), sets a measurement, a transmission interval, and a talk time (902) and then starts a test call (903).

Next, it is checked whether the measurement time for the test call is completed (904).

As a result of the check, if the measurement time is not completed, the process proceeds to the process of checking whether it is completed (904). If the measurement time is completed, the position and speed information from the GPS receiver, the terminal call status measurement information, and the vehicle transportation information from the driver, etc. After collecting the measurement information (905) and storing the collected measurement information (906), it is confirmed whether or not the end of the test call (907).

As a result of the check, if the test call is not terminated, the process proceeds to checking whether the measurement time for the test call is completed (904). If the test call is terminated, it is checked whether transmission data exists (908).

As a result of the check, if the data exists, the measurement information is written and transmitted in an SMS message (909), and then the transmission time is completed (910).

As a result of the check, if the transmission time is not completed, the process proceeds to step 910 of checking whether the transmission time is completed. If the transmission time is completed, the process proceeds to step 908 of checking whether the transmission data exists.

As a result of the check, if no data exists, it is checked whether there is an end command for the measurement end control message (911).

As a result, if there is no end command, it waits for a random time (912) and then proceeds to starting a test call (903). If there is an end command, it waits until it receives a measurement start control message from the standby state. Maintain 913.

That is, the measurement terminal 11 connects the call to the number indicated by the controller 15 and stores the measurement by measuring every measurement interval time. After the designated call time ends, the measurement terminal 11 sends the measurement information message to the stored information. It is created and transmitted at every transmission interval. After transmitting all the stored information, it waits for a random time interval and connects the call again to perform measurement.

FIG. 10 is a flowchart illustrating a process of collecting and transmitting measurement information by a measurement terminal in measurement mode V according to the present invention.

As shown in FIG. 10, the measurement terminal 11 sets a transmission number for a transmission target (1001), sets a measurement, a transmission interval, and a call time (1002) and starts a test call (1003).

Then, it is checked whether the measurement time for the test call is completed (1004).

As a result of the check, if the measurement time is not completed, the process proceeds to the process of checking whether it is completed (1004). If the measurement time is completed, the position and speed information from the GPS receiver, the terminal call state measurement information, and the vehicle transportation information from the driver in the measurement mode V. After the measurement information is collected (1005) and the collected measurement information is created and transmitted as an SMS message (1006), it is checked whether or not the end of the test call (1007).

As a result of the check, if the test call is not terminated, the process proceeds to checking whether the measurement time for the test call is completed (1004). ).

As a result of the check, if there is no random time (1009), the process proceeds to the process of resuming the test call (1003). If there is, the standby state is maintained until the measurement start control message is received (1010). ).

That is, the measurement terminal 11 stores the call state measurement information in the measurement mode V until the test call is completed, and then transmits the measurement information message as a measurement information message during the call without transmitting the measured state.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and it is common in the art that various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.

The present invention as described above, by remotely controlling the measurement terminal to collect the call quality information and transportation information in real time to optimize the wireless network management to the wireless carriers to reduce the management and maintenance costs and is optimal for mobile phone users It is effective to provide call quality.

In addition, the collected transportation information provides transport companies with real-time location, speed, and passenger information to optimize transportation management to reduce transportation and management costs, and to provide transportation and road information using location and speed. There is an effect that can create.

Claims (22)

In the device for fault monitoring and quality control through a wireless network in a wireless communication system, Information collecting means for collecting measurement information about the wireless network in real time according to a control message; First control means for generating the control message to manage the information collecting means and extracting management information and transportation information from the measurement information; And Under the control of the first control means, operation management means for monitoring the failure of the wireless network based on the management information and transportation information extracted from the first control means and for managing the optimal call quality Real time wireless network management device comprising a. The method of claim 1, The control message, Real-time wireless network management device, characterized in that the short message (SMS) control message. The method of claim 1, The management information, Substantially, real-time wireless network management device comprising the call quality, location, speed information of the wireless network. The method of claim 1, The information collecting means, Second control means for controlling the information collecting means in accordance with the control message from the first control means; Measurement information collecting means for collecting the measurement information under the control of the second control means; And The control message from the first control means is received and transmitted to the second control means, and under the control of the second control means, the measurement information collected by the measurement information collecting means is messaged through the wireless network. Message creation and transmission means for transmitting to the first control means Real time wireless network management device comprising a. The method of claim 1, The first control means, Message generating means for generating the control message according to an operator's command to control the operation of the information collecting means; Information extraction means for receiving the measurement information from the information collecting means in real time and extracting the radio network management information and transportation information from the measurement information; And Information distribution means for transferring the extracted wireless network management information and transportation information to the operation management means Real time wireless network management device comprising a. The method according to any one of claims 1 to 5, The control message, A measurement start control message for starting measurement and transmission of the information collecting means, a measurement end control message for stopping measurement and transmission of the information collecting means, and a measurement mode change control message for changing the measurement mode of the information collecting means And a measurement time change control message for changing a measurement time of the information collecting means, and a transmission number change control message for changing a transmission number of the information collecting means. The method of claim 6, The information extraction means, Process the measurement information received from the information collecting means to distinguish the measurement information message from the acknowledgment message, and process the acknowledgment message received from the information collecting means to determine retransmission of the control message; And processing the measurement information received from the information collecting means and classifying the wireless network management information and transportation information according to a location. The method of claim 6, The information distribution means, Distributing the wireless network management information to other devices and short service server in real time, distributing the transport information to a receiving terminal or terminal in real time, and processing the transport information and providing the information to the Internet or the other device in real time. Real time wireless network management device. The method of claim 8, The information distribution means, In order to distribute the transport information to the receiving terminal in real time, the receiving address or receiving number of the measurement information received from the information collecting means is replaced with a predetermined receiving terminal identification number (MIN), and the transport information is processed to Real-time wireless network management device characterized in that providing traffic information to the general Internet users by providing to the Internet. The method of claim 6, The second control means, Select start and end of measurement according to the control message received from the first control means, select a measurement mode according to the control message, change a measurement time parameter according to the control message, or according to the control message Real time wireless network management device, characterized in that for changing the transmission number or displaying the transport information in accordance with the display message received from the first control means. The method of claim 10, The information collecting means, According to the control message received from the first control means, A first function in which the information collecting means periodically measures in the standby state measurement intervals in the standby state, and then composes and transmits a measurement information message; If the information collecting means is waiting in the standby state and a call occurs between the information collecting means and the designated receiving terminal period, call state measurement information is collected and stored during a call, and when the call ends, the collected measurement information is messaged. A second function for creating and transmitting to The information collecting means periodically collects the standby state measurement information at each standby state measurement interval time in the standby state, writes and transmits the measurement information as a message, and collects and stores the call state measurement information during the call when a call occurs. A third function of writing and transmitting the measurement information in a message when a call is completed; The information collecting means connects the call to the number indicated by the first control means, performs measurement at every measurement interval time, stores the measurement, and when the designated call time ends and completes the call, writes the measurement information as a message with the stored information. A fourth function of transmitting at every transmission interval, The information collecting means performs a fifth function of writing and transmitting the measurement information as a message during the test call without storing and transmitting the call state measurement information until the test call is completed in the fourth process, And the fourth function waits for a random time interval after transmitting all the information stored by the information collecting means, and then connects a test call to perform measurement. The method of claim 11, The information collecting means, In the measurement of the measurement mode, when a no service state occurs, the measurement information is stored, and then moved to a service state or a service area, and then the measurement information is transmitted. When a call drop occurs, the measurement information is transmitted immediately, but for this purpose, the measurement information is always collected and updated in a memory or a message queue so that no service, call drop, and call completion are performed. Real-time wireless network management device comprising the latest information in the state. The method of claim 6, The information collecting means, According to the control message, the real-time wireless network management device, characterized in that collects the call quality information of the terminal itself, the location and speed information from the GPS receiver, and the transportation information from the driver according to the control message. The method of claim 13, The operation management means, Under the control of the first control means, the management information and the transportation information extracted from the first control means is displayed on a map, and controlling a receiving terminal to control a call with the information collecting means Wireless network management device. In the wireless network management method applied to a wireless communication system, A first step of the controller for managing the wireless network generating a control message and transmitting the control message to the plurality of measuring terminals through the wireless network in order to remotely control the plurality of measuring terminals; The plurality of measurement terminals read a command according to the control message to set a parameter value for performing the command, collect and measure measurement information of the wireless network in real time according to the parameter value, and then wirelessly Transmitting to the controller via a network; A third step of the controller extracting management information and transportation information from the measured measurement information; And A fourth step in which the controller monitors the failure of the wireless network and manages an optimal call quality based on the extracted management information and transportation information Real time wireless network management method comprising a. The method of claim 15, The control message, Real-time wireless network management method characterized in that the short message (SMS) control message. The method of claim 15, The management information, Substantially, real-time wireless network management method comprising the call quality, location, speed information of the wireless network. The method according to any one of claims 15 to 17, The control message, A measurement start control message for starting measurement and transmission of the plurality of measurement terminals, a measurement end control message for stopping measurement and transmission of the plurality of measurement terminals, a measurement mode for changing a measurement mode of the plurality of measurement terminals A real time wireless network comprising a change control message, a measurement time change control message for changing a measurement time of the plurality of measurement terminals, and a transmission number change control message for changing transmission numbers of the plurality of measurement terminals How to manage. The method of claim 18, The plurality of measuring terminals, Select the start and end of the measurement according to the control message received from the controller, select the measurement mode according to the control message, change the measurement time parameter according to the control message, or change the transmission number according to the control message. Changing or displaying the transport information according to the display message received from the controller. The method of claim 18, The second step, According to the control message received from the controller, A fifth step of periodically measuring in the standby state at each standby state measurement interval and writing and transmitting the measurement information as a message; While waiting in the standby state, when a call occurs between the plurality of measuring terminals and a designated receiving terminal period, call state measurement information is collected and stored during a call, and when the call is ended, the collected measurement information is written and transmitted as a message. Sixth step; The plurality of measurement terminals periodically collects standby state measurement information at each standby state measurement interval time in the standby state, writes and transmits the measurement information as a message, and collects and stores call state measurement information during a call when a call occurs. A seventh step of writing and transmitting the measurement information as a message when the call is completed; The plurality of measuring terminals connect the call to the number instructed by the controller to store and measure the measurement at each measurement interval time, and when the designated call time ends and completes the call, writes the measurement information as a message with the stored information. An eighth step of transmitting at every transmission interval; And A ninth step in which the plurality of measurement terminals store the call state measurement information in the eighth step until the test call is completed, and then transmits the measurement information as a message during the test call without transmitting the measured state information; Real time wireless network management method comprising a. The method of claim 20, The eighth step, And transmitting all the information stored by the plurality of measuring terminals in a standby state for a random time interval, and then connecting a test call to perform measurement. In a wireless communication system having a processor, A first function of generating a control message and transmitting the control message to the plurality of measuring terminals through the wireless network in order for a controller for managing a wireless network to remotely control the plurality of measuring terminals; The plurality of measurement terminals read a command according to the control message to set a parameter value for performing the command, collect and measure measurement information of the wireless network in real time according to the parameter value, and then wirelessly A second function for transmitting to the controller via a network; A third function of the controller extracting management information and transportation information from the measured information; And A fourth function of monitoring, by the controller, the failure of the wireless network based on the extracted management information and transportation information and managing optimal call quality A computer-readable recording medium having recorded thereon a program for realizing this.