KR101005387B1 - Method and apparatus for managing radio transceiver subsystem of mobile communication network - Google Patents

Abstract

The present invention relates to a method and apparatus for managing a base station of a mobile communication network. In a method for managing a base station of a mobile communication network of the present invention, determining whether a base station has performed call connection for a preset time, and if the base station does not perform call connection for a preset time, call connection test for the base station. And performing a call connection test result and analyzing whether there is an abnormality of the base station using the call connection test result. According to the present invention, in determining whether there is an abnormality of a base station, by testing whether a base station that does not perform a call connection for a predetermined time is actually capable of performing a call connection of the base station, the presence or absence of a base station that could not be grasped by the prior art more There is an effect that can be confirmed accurately.

Mobile network, base station, failure, management, alarm, monitoring, call connection

Description

METHOD AND APPARATUS FOR MANAGING RADIO TRANSCEIVER SUBSYSTEM OF MOBILE COMMUNICATION NETWORK}

The present invention relates to a method and apparatus for managing a base station of a mobile communication network.

With the rapid development of communication technology, various wireless communication services using a wireless network have been provided. Recently, wireless Internet services, which provide a communication service including the Internet through a mobile communication terminal and a wireless communication network, have been in the spotlight especially while a user is moving without a restriction of a place. As a result, users can freely move anytime, anywhere and talk to the other party, and can use various information such as text, voice, image, video, and other useful life information through the wireless Internet service. It can be provided in the form.

Such mobile communication systems have evolved over several generations. The first generation is an analog method, which is an advanced mobile phone systems (AMPS) system capable of only voice calls, and the second generation is divided into a digital system, a global system for mobile communication (GSM) and a code division multiple access (CDMA). CDMA is a method adopted by Korea and is divided into cellular and personal communication service (PCS) according to which frequency is used. Recently, IMT-2000 (International Mobile Telecommunication-2000), a third generation high speed data communication, has been used. IMT-2000 was developed for personal mobility guarantee and high-speed data transmission to ensure mobility between countries by integrating systems of countries using different radio access standards, and separated into synchronous CDMA 2000 and asynchronous WCDMA. Developed.

In the operation of such a mobile communication network, a call processing failure or a call processing impossible situation may occur due to various causes. One of the causes of such a call processing failure situation may be an abnormal state of a base station performing a radio access termination function with a terminal. The base station is generally distributed in the service area of the mobile communication network, and especially in the case of the base station located in the area where the mobile communication subscribers frequently call, the outgoing call or the incoming call connection is constantly performed.

However, there may be a case in which some abnormality occurs in such a base station and thus no call connection can be performed. When a base station does not perform only one call connection for a certain time, for example, 5 minutes, it is called a NO-CALL or 0-CALL state. You can check whether there is an abnormality.

It is a conventional base station management system that is used to confirm the abnormality of such a base station. The base station management system is connected to the mobile communication network and monitors conditions such as flooding and high temperature, which may affect the base station hardware, leased line, power supply, and service of the base station. If there is an error in the base station as a result of the monitoring, the base station management system generates an alarm message corresponding to an error message and sends a trouble ticket to the base station manager or a representative to inform the base station manager or the person in charge of the short message. Service).

However, it is difficult to completely manage the abnormal state of the base station by the conventional base station management monitoring method using the base station management system. For example, a failure alarm may be uncollected due to poor interworking between a base station or a base station controller and an operation, administration and maintenance (OAM), and an alarm generated by the OAM may not be transmitted to the base station management system or processed by the base station management system. May occur. In addition, due to the output failure of the base station or other board failure occurs, the state of the base station may not be able to provide services such as normal or call connection.

Therefore, even in such a situation, there is a need for a new base station management system that can identify whether there is an abnormality of the base station and, if a problem occurs, to inform the system administrator or the management server.

Therefore, in the present invention, in determining whether there is an abnormality of the base station, by testing whether the base station that does not perform the call connection for a predetermined time is actually capable of performing the call connection, it is more accurate to determine the abnormality of the base station that could not be identified by the prior art. It is an object of the present invention to provide a method and apparatus for enabling identification.

In addition, the present invention is to determine whether there is a problem in the base station of the mobile communication network in real time and immediately notify the base station manager or the person in charge of the mobile communication provider to respond quickly to the call quality deterioration to complain about customer complaints about the call quality It is a further object to provide a method and apparatus which enable to be reduced.

The objects of the present invention are not limited to the above-mentioned objects, and other objects and advantages of the present invention, which are not mentioned above, can be understood by the following description, and more clearly by the embodiments of the present invention. Also, it will be readily appreciated that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the claims.

In accordance with an aspect of the present invention, there is provided a method for managing a base station in a mobile communication network, the method comprising: determining whether a base station performs a call connection for a preset time, and as a result, the base station does not perform a call connection for a preset time. In this case, the method may include performing a call connection test with respect to the base station, obtaining a result of the call connection test, and analyzing an abnormality of the base station using the call connection test result.

In addition, the present invention provides a base station management device of a mobile communication network, call connection determination unit for determining whether the base station has performed a call connection for a predetermined time, when the base station does not perform a call connection for a predetermined time In addition, a call connection test unit for performing a call connection test for the base station and obtaining a result of the call connection test, and the base station state monitoring unit for analyzing the presence or absence of the base station using the call connection test results.

According to the present invention as described above, in determining whether there is an abnormality of the base station, by testing whether the base station that does not perform a call connection for a certain time or not actually can perform the call connection of the base station of the base station that could not be identified by the prior art There is an advantage that can be confirmed more accurately whether there is an abnormality.

In addition, the present invention is to determine whether there is a problem in the base station of the mobile communication network in real time and immediately notify the base station manager or the person in charge of the mobile communication provider to respond quickly to the call quality deterioration to complain about customer complaints about the call quality There is an advantage that can be reduced.

The above objects, features, and advantages will be described in detail with reference to the accompanying drawings, whereby those skilled in the art to which the present invention pertains may easily implement the technical idea of the present invention. In describing the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description will be omitted. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing the configuration of a mobile communication network including a base station management apparatus according to an embodiment of the present invention.

The base station management apparatus 110 according to an embodiment of the present invention may be connected to a mobile communication network including a base station 104, a base station controller 106, and a main exchange 108. The terminal 102 is connected to the mobile communication network to perform a call connection with another terminal and receive a service by another mobile communication provider.

A base transceiver station (RTS) 104 performs a wireless connection termination function with the terminal 102 and transmits and receives information with the terminal 102 through a function of transmitting and receiving voice, video, and data traffic. Send and receive In general, the internal subsystem of the base station 104 is composed of a base-station interconnection subsystem (BIS), a base band subsystem (BBS), and a radio frequency subsystem (RF). In addition, the base station 104 may be used as the name 'Node B' in the 3rd Generation Partnership Project (3GPP) wireless access standard.

The base station controller (RNC) 106 manages wired and wireless channels, protocol matching of the terminal 102, and protocol matching of the base station 104. Soft handoff processing, protocol matching with Core Network, General Packet Radio Service (GPRS) access, fault management, system loading, etc. Here, GPRS is an asynchronous communication system that supports a data transfer rate of 384 Kbps, provides a multimedia mail, and maximizes the efficiency of a transmission line by packet data transmission.

The Mobile Switching Center (MSC) 100 is an automatic system that configures access points for user traffic with mobile and telephone networks, and mobile switching centers in the same or different mobile networks. Can be. However, in FIG. 1, it is shown that one base station controller 102 is managed for convenience.

As shown in FIG. 1, the base station management apparatus 110 may include a call connection performance determining unit 112, a call connection testing unit 114, and a base station state monitoring unit 116.

The call connection determination unit 112 determines whether the base station 104 has performed a call connection for a preset time. In an embodiment of the present invention, when a base station does not perform a call connection for a predetermined time, for example, 5 minutes, it is determined that an abnormality has occurred in the base station and performs a call connection test.

The call connection determination unit 112 may use various methods to determine whether the base station 104 has performed a call connection for a preset time. One of them is to periodically receive status information of the base station from the base station 104 or the base station controller 106. The base station state information includes information on whether the base station 104 is performing call connection at the time of reporting the state information. Accordingly, the call connection determination unit 112 may determine whether the base station 104 performs a call connection for a predetermined time by referring to the base station state information.

If it is determined by the call connection determination unit 112 that the base station 104 has not performed the call connection for a preset time, this means that there is an error in the call connection performing function or other functions of the base station 104. . In the exemplary embodiment of the present invention, the call connection test unit 114 performs a call connection test for the base station 104 in order to check whether there is an error in the function of the base station 104. The call connection test unit 114 obtains the result of the call connection test, and the base station state monitoring unit 116 uses the result of the call connection test to analyze the presence or absence of the abnormality of the base station 104.

Here, the call connection tester 114 may perform various methods for performing the call connection test for the corresponding base station 104. If the call connection test unit 114 has a function of performing a call connection test, it is possible to perform a direct call connection test and obtain the result. In addition, the call connection test unit 114 transmits a call connection test command to the wireless quality measurement server 118, and receives the result from the wireless quality measurement server 118 that performed the call connection test result to receive the call connection test results. Can also be obtained.

The radio quality measurement server 118 is a device used to measure radio quality of the base station 104. In the embodiment of the present invention, the wireless quality measurement server 118 performs a voice call and a data call to the base station 104 to perform a call connection test command of the call connection test unit 114. In addition, the wireless quality measurement server 118 serves to transfer the call connection test result to the call connection test unit 114. The call connection test unit 114 can know from the results of this test whether the base station 104 is capable of performing the voice call and data call functions, and if so, the quality of the voice call and the quality of the data call (transmission rate, etc.). .

In Figure 1, the radio quality measurement server 118 is shown to be connected to the main exchange 108 and the base station management apparatus 110 according to the present invention. However, it is not necessary to have such a connection relationship, and may be configured as a system together with or as part of the base station management apparatus 110.

The base station status monitoring unit 116 analyzes whether there is an abnormality of the base station 104 by using the result of the call connection test performed by the call connection tester 114. Here, the case where the call connection test is composed of a voice call and a data call test will be described as an example.

First, in order to analyze the abnormality of the base station 104, it is necessary to set the criteria for the abnormality. In an embodiment of the present invention, whether a voice call or a data call is connected as a result of the call connection test may be selected as a criterion of the presence or absence of an error. That is, it is determined that there is no abnormality in the base station 104 as long as the voice call or data call is connected through a test. In addition, the call connection test result does not indicate that the base station 104 has no abnormality because the voice call or data call is connected, but the reference value is measured by measuring the quality of the connected voice call or data call, for example, the data transmission speed. It may also be possible to set the base station 104 to have no abnormality only when S is satisfied.

If it is determined that both the voice call and the data call connection of the base station 104 have no abnormality, the base station status monitoring unit 116 determines that the base station 104 has no problem with the manager or management server of the mobile communication network. Can be notified that none. In the embodiment of the present invention, the base station 104 may be indirectly informed that there is no abnormality by not giving any notification in this case.

If it is determined that at least one of a voice call and a data call connection of the base station 104 has an error, the base station status monitoring unit 116 transmits the base station 104 to the manager or management server of the mobile communication network. The administrator or management server of the mobile communication network may be notified that there is an error in the corresponding call.

In this embodiment of the present invention, a test of the abnormal call connection can be performed again without immediately notifying the manager or management server of the mobile communication network of the abnormality of the base station 104. How much of the test to re-run may be determined by the system administrator or operator. If there is no abnormality in the call connection as a result of the retest, the base station status monitoring unit 116 may or may not notify the manager that there is no abnormality. If there is an error in the corresponding call execution function of the base station 104 even though the retest has been performed a predetermined number of times, the base station status monitoring unit 116 may notify the manager of the abnormal state of the base station 104.

2 is a flowchart illustrating a base station management method according to an embodiment of the present invention.

First, it is determined whether the base station has performed the call connection for a predetermined time in order to check whether there is an error in the call connection of the base station (202). Since the method for determining whether the base station performs call connection has been described above, a detailed description thereof will be omitted. If it is determined in step 202 that the base station has performed the call connection for a predetermined time, the process may be repeated continuously. Otherwise, the process proceeds to step 204 to see whether there is a problem with the base station.

If it is determined in step 202 that there is an error in the base station, a call connection test for the base station is performed (204). And the result of this call connection test is obtained (206). Finally, using the obtained call connection test result, the base station determines whether there is an error in performing call connection or not (208).

3 is a flowchart illustrating a base station management method according to another embodiment of the present invention.

First, the call connection performance status of the base station is reported at every regular period (302). This is to determine 304 whether the base station performs call connection, that is, whether the base station has performed call connection for a predetermined time as described above.

If the base station performs call connection at least once for a predetermined time in step 304, the base station returns to step 302 to continue reporting the call connection execution status. If it is confirmed in step 304 that the base station has not performed the call connection once for a predetermined time, it should be checked whether there is an error in the call connection performing function or other function of the corresponding base station. To this end, the voice call and data call connection test commands for the base station are transmitted to the wireless quality measurement server (306).

The wireless quality measurement server, which has received the call connection test command through step 306, completes the call connection test for the corresponding base station and receives the result (308). In step 310, the abnormality of the base station is analyzed using the call connection test result. If, as a result of the call connection test, the base station has an abnormality in at least one of the voice call and data call connection, the base station transmits a call connection test command for the call determined to be abnormal to the wireless quality measurement server (312). The wireless quality measurement server performs a connection test on the call received in step 312. Then steps 308 and 310 will be repeated. Although not shown in FIG. 3, in another embodiment of the present invention, if it is determined that there is an error in at least one of the voice call or the data call as a result of the retest of step 310 or 312, the test is not performed. The base station may notify the system manager that there is an error in the call connection.

If it is determined in step 310 that both the voice call and the data call connection of the base station are intact, the manager of the mobile communication network notifies the base station of the instability (314). Although not shown in FIG. 3, instead of notifying the manager that there is no abnormality in the base station in step 314, the base station may be indirectly notified that there is no abnormality.

The method of the present invention as described above can be written in a computer program. And the code and code segments constituting the program can be easily inferred by a computer programmer in the art. In addition, the written program is stored in a computer-readable recording medium (information storage medium), and read and executed by a computer to implement the method of the present invention. And the recording medium includes all types of recording media (intangible medium such as a carrier wave as well as tangible media such as CD and DVD) readable by a computer.

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

1 is a block diagram showing the configuration of a mobile communication network including a base station management apparatus according to an embodiment of the present invention.

2 is a flowchart illustrating a base station management method according to an embodiment of the present invention.

3 is a flowchart illustrating a base station management method according to another embodiment of the present invention.

Claims (11)

Determining whether the base station has performed a call connection for a preset time; If the base station does not perform the call connection during the determination result, performing a call connection test for the base station and obtaining a result of the call connection test; And Analyzing the presence or absence of an abnormality of the base station using the call connection test result Including, The call connection test A method for managing a base station in a mobile communication network comprising at least one of a voice call test and a data call test. delete The method of claim 1, The abnormality analysis step of the base station A method for managing a base station of a mobile communication network notifying a manager of the mobile communication network that the base station has an error when it is determined that the base station has an error in at least one of the voice call and the data call. . The method of claim 1, The abnormality analysis step of the base station If the base station determines that there is an error in at least one of the voice call and the data call, the base station management method of the mobile communication network re-executing the call connection test for the call determined to be abnormal. The method according to any one of claims 1 to 4, Performing the call connection test and obtaining the result And transmitting a call connection test command to a wireless quality measurement server and receiving a result of the call connection test from the wireless quality measurement server. The method according to any one of claims 1 to 4, And setting a determination time or a determination target base station for determining whether the base station has performed call connection for a preset time. A call connection determination unit determining whether the base station has performed call connection for a preset time; A call connection test unit configured to perform a call connection test with respect to the base station and obtain a result of the call connection test when the base station does not perform the call connection for the time; And A base station state monitoring unit for analyzing an abnormality of the base station using the call connection test result; The call connection test An apparatus for managing a base station in a mobile communication network including at least one of a voice call test and a data call test. delete The method of claim 7, wherein The base station status monitoring unit The base station management device of the mobile communication network notifying the manager of the mobile communication network that the base station is abnormal when it is determined that the base station is connected to at least one of the voice call and the data call. . The method of claim 7, wherein The base station status monitoring unit And a base station management device of a mobile communication network which re-executes a call connection test for a call determined to be abnormal when the base station determines that there is an error in at least one of the voice call and the data call. The method according to any one of claims 7 to 10, The call connection test unit A base station management apparatus of a mobile communication network transmitting a call connection test command to a wireless quality measurement server and receiving a result of the call connection test from the wireless quality measurement server.

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