KR20020064435A - Remote control system and method for repeater - Google Patents

Abstract

The present invention relates to a repeater remote control device and method, and in particular, by connecting the central control server and the digital TV repeaters located in a remote place by Ethernet to check the status of the repeater at the remote control center in the central control center by transmitting the control data for each check result The purpose is to control the state. The present invention for this purpose is connected to the central control server 220 and a plurality of repeaters (211 to 213) installed in a remote place by Ethernet and the controller 310 in the plurality of repeaters (211 to 213) a number of specific functions It checks the operation state of the unit provided and transmits the result of the check to the central control server 220, the central control server 220 analyzes the data transmitted from the plurality of repeaters (211 to 213) the plurality of repeaters It is configured to transmit control data for controlling the operation state for each.

Description

Repeater remote control device and method {REMOTE CONTROL SYSTEM AND METHOD FOR REPEATER}

The present invention relates to a TV repeater system, and more particularly, to a repeater remote control apparatus and method.

1 is a block diagram of a conventional repeater system. As shown in FIG. 1, a plurality of repeaters 121 to 123 for transmitting a transmission radio wave from a transmitter 110 to a user through modulation, demodulation, and amplification processes are provided. do.

The repeaters 121 to 123 have a built-in control program and are provided with a display unit for displaying various kinds of information.

Referring to the operation of the prior art as follows.

Each of the repeaters 121 to 123 executes its own control program, displays various alarm information transmitted from each module on the display, checks the operation state, and transmits an appropriate control command when the abnormal state is determined. Will be restored.

In addition, when an administrator resides in the place where each of the repeaters 121 to 123 is installed, the administrator monitors the operation state while viewing the alarm information displayed on the display unit, and the repeaters 121 to 123 cannot recover the abnormal state by themselves. In this case, an abnormal state generated in each of the repeaters 121 to 123 is recovered by operating a key button or the like to input an appropriate control command according to the alarm information at that time.

If the control program embedded in the repeaters 121 to 123 is upgraded, the administrator directly replaces the board.

However, conventionally, since the repeater is configured to monitor and control the state of each unit by itself, there is no way to remotely know the various operating conditions occurring in the repeater, so even when an abnormal condition occurs that cannot be solved by itself, There was a problem that could not be taken.

In addition, conventionally, when upgrading the software, the administrator had to go directly to the place where the repeater was located and had to replace the board directly.

Therefore, the present invention is to improve the conventional problem

Provides a repeater remote control device and method designed to control the repeater status by transmitting control data for each check result while checking the repeater status at the remote control center by connecting a digital TV repeater located at a remote location with an Ethernet. For the purpose.

In addition, another object of the present invention is to transmit via Ethernet from the central control server when upgrading the software file required for the remote repeater.

1 is a block diagram of a general repeater system.

2 is a block diagram of a repeater system for an embodiment of the present invention.

3 is a configuration diagram of a repeater controller in FIG. 2;

4 is an exemplary diagram of each thread provided in the repeater and the central control server in FIG.

Explanation of symbols on the main parts of the drawings

211 to 213: repeater 220: central control server

310: controller

In order to achieve the above object, the present invention connects a plurality of relay periods installed at a remote location with a central control server through an Ethernet and checks the operation state of a unit having a plurality of specific functions in the plurality of repeaters, and checks the results. To the central control server, and the central control server analyzes the data transmitted from the plurality of repeaters and transmits control data for controlling the operation state for each of the plurality of repeaters for each of the plurality of repeaters. .

The central control server and the plurality of repeaters include a data transmission thread for processing transmission data, a data reception thread for processing reception data, a buffering thread for storing transmission and reception data, and a screen display thread for displaying information on a screen. And a state check thread for checking a state change.

In order to achieve the above object, the present invention includes the steps of checking the operation state of a unit of a specific function in a plurality of repeaters and transmitting the result of the check to the central control server, and the transmission by the plurality of repeaters from the central control server Determining whether to transmit control data for each repeater by analyzing the state data, and if it is determined that transmission of control data is necessary, the central control server transmits control data for a plurality of repeaters to control an operation state for each repeater. Characterized by performing the steps.

In addition, the present invention is to determine whether to update the software for each of a plurality of repeaters in the central control server to achieve the above object, and if it is determined that the software update is necessary in the download the software files for each of the plurality of repeaters from the central control server And storing software files downloaded for each of the plurality of repeaters and rebooting the system with the stored software files.

The plurality of repeaters may include determining whether data transmitted from the central control server is control data or a new software file.

Hereinafter, the present invention will be described in detail with reference to the drawings.

2 is a configuration diagram of a system for an embodiment of the present invention, as shown here, by connecting an Ethernet line between a plurality of repeaters (211 to 213) located in a remote location and the central control server 220 by the repeater ( 211 to 213 transmit state information of various units, respectively, to the central control server 220, and the central control server 220 is configured to transmit control data and a control program to the repeaters 211 to 213. .

Each of the plurality of repeaters 211 to 213 and the central control server 220 is provided with a unique IP address.

The plurality of repeaters 211 to 213 include two HPA units 321 and 322, two PS units 331 and 332, two Exciter units 341 and 342, and two as shown in the configuration diagram of FIG. Modulator units 351 and 352, two demodulator units 361 and 362, a central control server 220 remotely connected to an Ethernet line, and receive status information and alarm information from each unit to the central control server 220. Each controller is provided with a controller 310 for transmitting and transmitting control information from the central control server 220 to each unit.

As illustrated in FIG. 4, the controller 310 and the central control server 220 provided in the repeaters 211 to 213 may include a plurality of threads, that is, a data transmission thread 410 for processing transmission data. A data receiving thread 420 for processing received data, a buffering thread 430 for storing transmission and reception data, a screen display thread 440 for displaying information on a screen, and a status check thread 450 for checking a state change. ) Is configured.

Referring to the operation and effect of the embodiment of the present invention configured as described above are as follows.

1) The process of transmitting from the remote digital TV repeaters 221 to 223 to the central control server 220 will be described below.

In the initial stage of program start, each of the repeaters 211 to 213 initializes the Ethernet of the controller 310, and initializes the socket and checks the socket state to enable Ethernet communication.

Thereafter, the controller 310 stores and reads IP information of the central control server 220 to be used for Ethernet communication and stores existing information.

In this case, the repeaters 211 to 213 connect to the central control server 220 previously connected to the central control server 220 when the initial operation is performed at the previously connected IP, that is, when the system power is turned on. There is a routine inserted to transfer the information.

Thereafter, the controller 310 stores each thread illustrated in FIG. 4, that is, a status check thread 450 for checking a state change, a screen display thread 440 for displaying information on a screen, and storing transmission / reception data. The buffering thread 430, the data receiving thread 420 for processing the received data, and the data transmission thread 410 for processing the transmission data are activated.

Subsequently, the controllers 310 provided in the repeaters 211 to 213 respectively check the state data received from each unit by the data receiving thread 420 in the state check thread 450, and when the state change occurs, the changed data. The value is sent to the buffering thread 430.

In addition, the reception thread 420 transmits various control data received from the central control server 220 to the data transmission thread 410.

Subsequently, the controller 310 provided in the repeaters 211 to 213 transmits the data to the screen display thread 440 while simultaneously transmitting data from the data transmission thread 410 to the remote central control server 220 through the Ethernet line. Transmitted values are displayed on the display unit.

2) A process of transmitting control data from the central control server 200 to the remote digital TV repeaters 211 to 213 will be described.

In the initial stage of program start, the central control server 220 initializes the socket to enable Ethernet communication with each of the repeaters 211 to 213.

Thereafter, the central control server 220 stores and reads IP information of each of the repeaters 211 to 213 to be used for Ethernet communication, and for modifying data when the IP information of each of the repeaters 211 to 213 is changed. Contains routines.

Thereafter, the central control server 220 stores each thread as shown in FIG. 4, that is, a status check thread 450 for checking a state change, a screen display thread 440 for displaying information on a screen, and transmission / reception data. Activates a buffering thread 430, a data receiving thread 420 for processing received data, and a data transmitting thread 410 for processing transmission data.

After each thread is activated, the central control server 220 transmits the data to the buffering thread 430 in order to receive the state change from the remote repeaters 211 to 213 at the data receiving thread 420. The control data corresponding to the state change is stored and transmitted from the data transmission thread 410 to the controller 310 provided in the repeaters 211 to 213 through the Ethernet line.

In addition, the central control server 220 displays the transmission control data or the reception status data received from the buffering thread 430 on the screen by the screen display thread 440 to inform the administrator of the operating status of the repeaters 211 to 213. .

3) The process of upgrading the software from the central control server 220 to the repeaters 211 to 213 is as follows.

First, when there is new software to download to the repeaters 211 to 213, the central control server 220 uses the data transmission thread 410 to control the controller 310 provided in the repeaters 211 to 213 through the Ethernet line. Will be sent).

The controller 310 receives the software downloaded from the central control server 220 through the data receiving thread 420 and stores it by the buffering thread 430.

At this time, the controller 310 checks whether the data transmitted from the central control server 220 is control data or a new software file.

Thereafter, when it is determined that the new software file is downloaded, the controller 310 reboots the system by performing a reset operation when all the software files are downloaded.

Then, in the rebooting process, the controller 310 copies the newly downloaded file list, executes the booting process with the newly upgraded program, and initializes the system. Activate it.

Thereafter, the controller 310 checks the operation state of each unit and, if a state change occurs, transmits to the central control server 220 and transmits the control data transmitted from the central control server 220 to the corresponding unit. do.

As described in detail above, the present invention improves the ease and efficiency of repeater management by connecting the central control server and the remote digital TV relay period by Ethernet to check and control the state of each repeater in the central control server. There is an effect that can reduce unnecessary waste of.

In addition, the present invention can easily improve the performance of the repeater system in a short time by downloading from the central control server to the Ethernet line when upgrading the control program of the repeater has the effect that can eliminate the inconvenience of the administrator.

In particular, the present invention can easily control the repeater installed in the mountains or island area from a remote location to maintain an optimal system state.

Claims (5)

The controller checks the operating state of the unit having a plurality of specific functions while transmitting the check result to the central control center, and analyzes the state data transmitted from the plurality of repeaters and operates the plurality of repeaters. Repeater remote control device comprising a central control server installed in the central control center to transmit the control data for controlling each of the plurality of repeaters, and Ethernet for connecting the plurality of relay periods with the central control server . The controller of claim 1, wherein the controller provided in the central control server and the plurality of repeaters comprises: a data transmission thread for processing transmission data, a data reception thread for processing reception data, a buffering thread for storing transmission and reception data; And a screen display thread for displaying information on the screen, and a state check thread for checking a change in state. 1. A method of transmitting and receiving data by connecting a plurality of relays to a central control server via Ethernet, the method comprising: checking a state of operation in a unit having a specific function in a plurality of repeaters, and transmitting the check result to the central control server; A second step of determining whether to transmit control data for each repeater by analyzing the state data transmitted for each of the plurality of repeaters in the central control server; and if it is determined that transmission of control data is necessary, the central control server for each of the plurality of repeaters And repeating a third step of transmitting control data for each repeater for controlling an operation state. In the method for transmitting and receiving data by connecting the central control server and a plurality of repeaters by Ethernet, a first step of determining whether to update the software for each of a plurality of repeaters in the central control server, and if the software update is determined in the above Repeating a second step of downloading a software file by a plurality of repeaters from a server, and a third step of storing a software file downloaded by the plurality of repeaters and rebooting the system with the stored software files. . 5. The repeater remote control method according to claim 3 or 4, comprising determining whether the data transmitted from the central control server in the plurality of relays is control data or a new software file.