KR100205653B1 - Password confirming method and thereof device by parameter determination inin satellite telecommunication network - Google Patents

Abstract

According to the present invention, in the input / output interface of control data for managing a satellite communication network, a password input can be requested for a major parameter (PARAMETER) which may have a significant effect on network operation when inputting various commands related to system control. The present invention relates to a method for confirming a password and to a device for the identification of parameters in a communication network management system. Password confirmation method and apparatus according to the present invention in the input and output interface of the control data for satellite communication network management; With regard to the parameters entered through the operator terminal, check whether the parameter is a parameter that may cause a problem in normal satellite communication network operation.If the result of the check is determined to be a parameter that may interfere with normal network operation, the operator By requesting a password input for confirmation, an operation according to an input command is executed according to whether or not a match with a registered password is performed.

Description

Password Confirmation Method and Device by Parameter Classification of Satellite Communication Network Management System

The present invention relates to a control system for managing a satellite communication network, and in particular, a satellite communication network capable of requesting a password input for a main parameter (PARAMETER) which may have a significant effect on network operation when inputting various commands related to system control. The present invention relates to a method for confirming a password by classifying parameters of a management system and an apparatus thereof.

In general, satellite communication using satellite refers to a method of performing voice or data communication between subscribers of remote sites via a satellite stationed at an altitude of 36000 km. FIG. 1 shows a communication channel according to a subscriber's request. It shows the overall system configuration of the Demand Assignment Multiple Access (DAMA) satellite communication system that is to be assigned.

In Fig. 1, reference numeral 1 is a satellite having a plurality of communication channels, 2 is a central control station for controlling the entire satellite communication system, and 3 (3A, 3B) is an exchanger (11A, 11B) or a telephone (12A, 12B). Interface between the data terminals 13A and 13B and the facsimile 14A and 14B, such as a computer, and the call function between the various terminals through data transmission and reception with the central control station 2. The base station that provides.

In FIG. 1, reference numeral S denotes a service channel for transmitting and receiving control data, and T denotes a traffic channel for transmitting and receiving data or voice.

In the above configuration, the central control station 2 normally transmits a control message through the service channel and then, based on a response message transmitted from the base station 3, states of the base stations 3, that is, communication capacity. In addition, it performs a polling function to check the usage of the communication channel. When there is a call request from a subscriber, for example, a base station 3A to a terminal of the base station 3B, it is determined whether the base station 3B can communicate with each other based on the information obtained in the polling process. In the case of the communicable state, the available traffic channel T of the satellite is allocated to both base stations 3A and 3B so that both base stations 3A and 3B can directly communicate with each other.

Subsequently, when the communication between the base stations 3A and 3B is terminated and the communication termination signal is applied through the service channel S from the base station 3A, which has been requested for communication, the central control station 2 is applied to both base stations. By executing the communication termination process, the traffic channel T which has been provided to both base stations 3A and 3B is released.

2 is a block diagram showing the configuration of the central control station 2 described above.

In FIG. 2, reference numeral 21 denotes an antenna for transmitting and receiving an uplink signal and a downlink signal with respect to the satellite 1, and 22 denotes an antenna 22 using frequency polarization characteristics. Orthogonal Mode Transducer (OMT) for separating and transmitting and receiving signals transmitted and received through 23, 23 is a low noise amplifier for amplifying downlink frequency signals of 12.25 to 12.75 GHz inputted through the Orthogonal Mode Transducer 22 ( Low Noise Amplifier (LNA), 24 is a frequency down converter (DC) for converting a frequency signal applied through the low noise amplifier 23 into an intermediate frequency signal IF of 70 MHz, for example. No. 25 separates and outputs the intermediate frequency signal IF applied from the frequency down converter 24 into a plurality of intermediate frequency signals, and also describes a Single Channel Per Carrier (SCP) channel unit (SCU) to be described later. )from Is an intermediate frequency combiner / distributor (IF C / D: IF combiner / distributer) for outputting a combined intermediate frequency signal, and 26 demodulates an intermediate frequency signal applied from the intermediate frequency combiner / distributer 25. SCPC channel unit to decode and output, wherein the intermediate frequency combination / distribution unit 25 is employed for system scalability when using a plurality of SCPC channel units. Further, reference numeral 31 denotes an SCPC channel unit for encoding, modulating and outputting a message output from the network controller 40 to be described later, and 32 denotes an IF of 70 M 70 applied from the IF combination / distributor 25. A frequency upconverter (UC) for converting a signal into microwaves of 14.0 to 14.5 GHz to generate an uplink frequency signal, and 33 is a high output for amplifying an uplink frequency signal output from the frequency upconverter 32. Amplifier (HPA: High Power Amplifier).

Reference numeral 40 denotes a polling function for checking the status of each base station 3 based on a response message transmitted from the base station 3 after transmitting a control message to each base station 3 through the SCPC channel unit 26. If there is a call request from a specific base station, the other base station determines whether the other base station can communicate with each other based on the information obtained during the polling process. ) Is a network control unit that performs system control such that both base stations can directly perform mutual communication by allocating a) to both base stations. Also, reference numeral 50 denotes a satellite communication network operator who uses a satellite through the network control unit 40. Network management system for managing the overall network of communication systems.

On the other hand, Figure 3 is a schematic diagram showing the configuration of the network management system 50 described above, reference numeral 51 in the drawing is a network manager inputs data necessary for the control and management of the overall system including the base station and the network (網) An operator terminal for monitoring the operation status, 52 is to control the overall system while communicating with the main processor (not shown) inside the network control unit 40 through a contracted protocol according to the command input through the operator terminal As a processor, the processor 52 is dualized with the first and second processors 52a and 52b having the same configuration so that they can alternate with each other in preparation for any abnormal operation.

In addition, reference numeral 53 is a hard disk drive (HDD) having a redundancy structure like the processor 52 and storing data for communication network operation and system management, and 54 is used for channel use for subscribers communicating through satellite channels. Magnetic tape drive (MTD) for storing the charge data such as TC (Trunk Code) data and talk time of the calling and receiving subscribers to charge the call charges, 55 is the main processor of the processor 52 and the network controller 40 (Not shown) is a terminal server of a redundant structure providing a communication line, and 56 is a LAN provided as a data communication bus between the above components.

That is, according to the device having the above configuration, the satellite communication operation manager monitors the system state including the satellite channel and each base station currently operating through the operator terminal 51 of the network management system 50, if necessary, In order to input data for system control through the instructions, the processor 52 communicates with the main processor (not shown) inside the network controller 40, as well as the main configuration of the central control station 2. Even the operation state of each base station can be controlled through the service channel (S).

On the other hand, the operations performed by the satellite communication network operator through the operator terminal 51 of the network management system 50 may be updated to each subordinate base station from an extremely common monitoring task such as a screen output of the overall channel usage situation. Various tasks are carried out, such as transmission of information or operations that can have an absolute impact on the overall operation of the satellite communication network, such as network recovery in the event of an emergency. Confirmation of identity and operation of the network management system is required.

However, every time a password is required for the operator's key input, it will not only affect the normal operation, but also result in a loss of work efficiency. In addition, even if a command can seriously affect network operation, The width of the control can be reduced depending on whether or not a parameter is added. Generally, limiting the scope of system control based on a parameter added to an instruction to further specify a function or limit a range of a control object. It would rather be desirable.

The present invention has been made in view of the above circumstances, and the command parameters related to system control are classified into two groups according to the influence on the system, and among them, the parameter to be managed which can have a significant effect on network operation. Is to provide a password checking method and device by the parameter classification of the satellite communication network management system that can be inputted password to confirm whether the user has an operating authority.

1 is an overall system configuration for explaining the outline of a general satellite communication system.

FIG. 2 is a block diagram showing the configuration of the central control station 2 shown in FIG.

3 is a configuration diagram showing in more detail the configuration of the network management system 50 shown in FIG.

4 is a block diagram showing the configuration of a network management system 150 according to an embodiment of the present invention.

FIG. 5 is a flow chart for explaining the operation of the apparatus in the configuration of FIG. 4; FIG.

Explanation of symbols on the main parts of the drawings

1: satellite 2: central control station

3A, 3B: base station 11A, 11B: switchboard

12A, 12B: Telephone 13A, 13B: Data Terminal

14A, 14B: Facsimile 21: Antenna

22: orthogonal mode converter 23: low noise amplifier

24: frequency down converter 25: intermediate frequency combination / distribution unit

26, 31: SCPC channel unit 32: frequency up converter

33: high power amplifier 40: network control unit

50: network management system 51: operator terminal

52, 152: processor 53: hard disk drive (HDD)

54: Magnetic Tape Drive (MTD) 55: Terminal Server

56: local area network (LAN) 57: management target parameter storage unit

58: password storage unit

According to a first aspect of the present invention for realizing the above object, a password confirmation method according to a parameter classification of a satellite communication network management system includes an input / output interface of control data for satellite communication network management; Command input check step to check if there is a command input through the operator terminal, and main command judgment step to check whether the parameter added to the input command is a parameter that may cause trouble in normal satellite communication network operation. As a result, if it is determined that the parameter may interfere with normal network operation, a password requesting step for inputting a password for operator confirmation, a password checking step for confirming whether the inputted password is a registered password, and whether or not the password matches According to the configuration characterized in that it comprises a command execution step of controlling to execute the operation according to the input command.

In addition, the password confirmation device according to the parameter (PARAMETER) classification of the satellite communication network management system according to the second aspect of the present invention is a system including a control means for controlling the system situation of the overall satellite communication network through the data communication with the network control unit and the base station A network management system comprising an operator terminal for inputting data necessary for overall control and management and monitoring network operation status;

Among the parameters used to control the satellite system, the management parameter storage means for storing the parameters of the management object that encompasses the operating area of the command as a whole system as data, and the password for checking the identity and authority of the system operator. And a password storage means for storing the password, wherein the control means requests password input according to whether the parameter inputted through the operator terminal is a parameter registered in the management target parameter storage means, and then the password storage means. By checking whether or not the password is matched based on the data stored in the characterized in that it is possible to limit the subsequent key input.

Hereinafter, with reference to the accompanying drawings will be described an embodiment according to the present invention.

4 is a block diagram showing an internal configuration of a satellite communication network management system according to an embodiment of the present invention, in which components that perform the same functions as those shown in FIG. Will be omitted.

In FIG. 4, reference numeral 57 is a management target parameter storage unit which stores, as data, parameters of management targets that encompass the operating area of a command among the parameters used for satellite system control as a system. A password storage unit for storing a password for confirming identity and usage rights, reference numeral 152 is provided with a password confirmation function according to the parameter (PARAMETER) classification on the basis of the data stored in the management target parameter storage unit 57 Processor.

Next, the operation of the apparatus having the above configuration will be described with reference to the flowchart shown in FIG.

For example, when it is assumed that the first processor 152a is currently active and the second processor 152b is operating in the standby state, the first processor 152a receives instructions through the operator terminal 51. Is checked (ST1), and when the command input is confirmed, it is checked whether the parameter added to the input command is a parameter (PARAMETER) registered in the management target parameter storage unit 57 ( ST2), if it is determined that the main parameter (PARAMETER) to be managed, that is, a parameter that can have a significant impact on network operation (ST3), a guide to enter a password through a monitor (not shown) of the operator terminal 51 If the message is output (ST4), but the parameter is not a management target parameter, the process proceeds to step ST7 to perform an operation according to the input command.

On the other hand, after the guide message for password input request is output, the first processor 152a checks the key input input through the operator terminal 51 (ST5), and the input key input is the password storage unit ( If it is found that the password registered in step 58 is matched (ST6), an operation according to the input command is performed (ST8), and if the password does not match, a message for requesting password re-entry is output ( ST7), the subsequent command is ignored until a matching password is entered.

That is, according to the above embodiment, the parameter related to system control is classified into two groups according to the influence on the system, and among these, the operation authority is applied to the input of the main parameter (PARAMETER) which can have a significant effect on network operation. By inputting a password to confirm whether the user is a user, it is possible to prevent an accident that causes a fatal communication failure in network operation by an unqualified person without an operation right.

On the other hand, the present invention is not limited to the above embodiments and can be modified in various ways without departing from the technical gist of the present invention.

As described above, according to the present invention, in the parameter classification of the satellite communication network management system, a password input is required for a major parameter (PARAMETER) that may have a significant effect on network operation when inputting various commands related to system control. Password verification method and apparatus can be realized.

Claims (2)

An input / output interface of control data for satellite communication network management; Command input checking step to check whether there is a command input through the operator terminal, A main command determination step of confirming whether a parameter added to an input command is a parameter that may cause a problem in normal satellite communication network operation; If the determination result is a parameter that may interfere with normal network operation, the password request step for requesting a password for operator confirmation, A password checking step of confirming whether the input password is a pre-registered password, and And a command execution step of controlling the execution of an operation according to the input command according to whether or not the password is matched. It is equipped with a control unit for controlling the system status of the entire satellite communication network through data communication with the network control unit and an operator terminal for inputting data necessary for the control and management of the system including the base station and monitoring the network operation. Network management system; Managed parameter storage means for storing as a data the parameters of the management object that encompasses the operating area of the command among the parameters (PARAMETER) used to control the satellite system as a system; And a password storage means for storing a password for confirming the identity and authority of the system operator, The control means requests a password input according to whether the parameter input through the operator terminal is a parameter registered in the management target parameter storage means, and then confirms whether the password matches based on the data stored in the password storage means. Password confirmation device according to the parameter classification of the satellite communication network management system characterized in that it is possible to restrict the subsequent key input.