KR20000066142A - Method for managing and processing registration information of subscriber location in wireless local loop - Google Patents

Abstract

PURPOSE: A method for managing information on subscriber location registrations in a wireless local loop(WLL) system is provided to configure the information as program loaded data(PLD) types to manage the PLD types in a base station manager(BSM), so as to perform the subscriber location registrations on one BSM system. CONSTITUTION: Information on wireless local loop(WLL) subscribers is configured as program loaded data(PLD) types. PLD is stored in a base station manager(BSM)(ST11). When the BSM is initialized, PLD corresponding to a base station controller(BSC) is downloaded from the BSM(ST12). The information on the WLL subscribers is included in the PLD of the BSC. If call requests are received from the WLL subscribers and if the information is requested, the BSC retrieves the PLD to search the information. The BSC performs outgoing/incoming call processes(ST13).

Description

Method for managing and processing registration information of subscriber location in wireless local loop}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless local loop (WLL) system. In particular, the base station manager (BSM) is configured by configuring subscriber location registration information in the form of PLD (Program Loaded Data). The WSM manages information on all WLL subscribers in the BSM, and downloads the PLD from the BSM when the base station controller (BSC) is initialized, and manages subscriber information for each BSC. A method for managing and processing subscriber location registration information in a subscriber line (WLL) system.

In general, a code division multiple access (CDMA) mobile communication system is a communication system that provides a communication service for a mobile station. The WLL system has characteristics similar to a mobile communication network in terms of using a wireless channel as a communication medium, but there is an advantage that the radio environment of the WLL network is better than the radio environment of the mobile communication network because there is no mobility of the terminal.

1 is a block diagram of a general CDMA mobile communication system.

As shown, Base Transceiver Stations (BTSs) 10 and 11, which perform radio access functions with mobile mobile stations; A mobile switching center (MSC) 20 which performs a switching function on a service request signal from a subscriber transmitted from the BTS 10; A local switch (LE) 40 which performs a switching function for connection with a public switched telephone network (PSTN); A trunk switch (Trunk Exchange (TE) 30) for exchanging relay lines between the MSC (20), the LE (40), the VLR (50), and the HLR (60); A Home Location Register (HLR) 60 which manages information for all CDMA mobile subscribers; It consists of a Visitor Location Register (VLR) 50 that manages information about subscribers provided with mobile communication services by one MSC 20.

In the CDMA mobile communication network as described above, the exchange of control signals between systems is performed using a No. 7 common line signaling system (Common Channel Signaling No. 7; Signaling System No. 7; SS7). Thus, the HLR 60 performs a function as a service control point (SCP).

Herein, the HLR 60 and the VLR 50 will be described in detail. The HLR 60 is a database system that permanently stores current location information and terminal related information of all mobile subscribers. The data is centrally managed. The VLR 50 is a system in which the corresponding data in the HLR 60 are distributed and processed. The VLR 50 manages subscriber related information and terminal related information serviced by an MSC connected to itself, that is, in its location area. Thus, the HLR 60 and the VLR 50 manage location information of mobile subscribers that change from time to time.

3 is a flowchart illustrating a method of managing and processing location registration information for a subscriber in such a general CDMA mobile communication system.

As shown in the figure, storing information on all subscribers subscribed to the CDMA mobile communication service in the HLR 60 and storing information on subscribers provided by each MSC in the VLR 50 connected to the MSC (ST1). )and; Requesting subscriber information from the VLR if the subscriber information is required (ST2); If the corresponding subscriber information exists in the VLR 50, the subscriber information is provided. If the corresponding subscriber information does not exist in the VLR 50, the process (ST3) of requesting the subscriber information to the HLR 60 is performed.

A method of managing and processing registration information about a subscriber in such a CDMA mobile communication system is as follows.

When a call request signal is transmitted from a mobile station, an outgoing call processing process and an incoming call processing process must be performed in order to perform the function of processing the call. Therefore, the information required in the outgoing call processing is the registration information for the calling party and the information necessary in the incoming call processing is the registration information for the called party.

Therefore, a description will be given of how to handle the registration information request from the calling subscriber. If registration information for the originating subscriber is requested from the MSC 20, the VLR 50 searches the database 55 managed by the VLR 50, as shown in Fig. 2 (ST2). Thus, if there is registration information for the subscriber, the subscriber information is transmitted to the MSC 20. However, if there is no registration information for the subscriber, the VLR 50 requests the subscriber's registration information to the HLR 60 based on the received outgoing information request message (ST3).

Next, when the registration information for the incoming subscriber request is described, how to handle this, when the incoming subscriber registration information is requested from the MSC 20 to the VLR 50, the VLR 50 performs a subscriber information search procedure to perform a database If registration information of the called subscriber exists in 55, the subscriber information is transmitted to the MSC 20 (ST3).

However, when the registration information of the called party cannot be found in the VLR 50, a paging function is performed. Thus, if there is a response from the destination mobile station by performing this paging procedure, location registration of the called subscriber is performed based on the received information, and the registration information is stored. Thereafter, the VLR 50 transmits registration information of the called subscriber to the MSC 20.

When the general CDMA mobile communication system requires the location registration information for the subscriber, it first requests the subscriber location registration information to the VLR, and then requests the subscriber location registration information back to the HLR when the subscriber location registration information cannot be found. do.

In order to manage the location registration information of the mobile station that is moved from time to time, it is efficient to manage separately in the VLR and HLR. However, it is inefficient in the WLL system where the mobility of the terminal station is limited. Therefore, the WLL system reduces the functions of the VLR and HLR of the mobile communication system, so that the subscriber location registration is performed in the base station manager (BSM) that manages and maintains the BTS and the BSC.

Accordingly, the present invention has been proposed to collectively manage the location registration information of subscribers in a WLL system in which the mobility of the terminal station is limited as described above.

By configuring the subscriber location registration information in the form of PLD (Program Loaded Data) to be managed by the Base Station Manager (BSM), the WLL subscriber location registration is performed efficiently in one BSM, thereby effectively WLL. The present invention provides a method for managing and processing subscriber location registration information of a WLL system, which allows network configuration and unified management of subscriber information.

Another object of the present invention is to download the corresponding PLD from the BSM when the WLL Base Station Controller (BSC) is initialized, thereby managing subscriber information for each BSC, thereby ensuring structural distribution and independence. In addition, the present invention provides a method for managing and processing subscriber location registration information of a WLL system to reduce performance load due to service processing.

In order to achieve the above object, the subscriber location registration information management and processing method of the WLL system according to the present invention,

Storing information on a WLL subscriber in a PLD (Program Loaded Data) format and storing the information on the WLL subscriber in a base station manager (BSM);

Downloading a PLD from the BSM upon initialization of a base station controller (BSC);

When the subscriber information is required, the BSC performs a process of searching for the downloaded PLD and providing the corresponding subscriber information.

The change of the subscriber information existing in the BSC is made by an operator's command in the BSM.

1 is a block diagram of a general code division multiple access (CDMA) mobile communication system;

2 is a block diagram of an HLR and VLR block for managing information about a subscriber in a general CDMA mobile communication system;

3 is a flowchart illustrating a method of managing information about a subscriber in a general CDMA mobile communication system;

4 is a block diagram of a wireless subscriber line (WLL) system to which the present invention is applied;

5 is a block diagram of a BSC and BSM for managing information on a subscriber in a WLL system;

6 is a flowchart illustrating a method for managing and processing subscriber location registration information in a WLL system according to the present invention;

<Description of the code | symbol about the principal part of drawing>

100: subscriber matching device 200: BTS

300: BSC 400: BSM

500: LR 600: PSTN

Hereinafter, the subscriber location registration information management and processing method of the present invention as described above in detail with reference to the accompanying drawings as follows.

4 is a block diagram of a WLL system to which the present invention is applied.

As shown, a fixed access unit (FAU) 100 which is fixed and performs a wireless network access function to request a WLL service; A base transceiver station (BTS) 200 for transmitting and receiving a signal to and from the subscriber access device 100 through a wireless channel; A control station for processing a call processing request signal from a subscriber through the base station 200, controlling the base station 200, and accessing a Public Switched Telephone Network (PSTN) network to provide a WLL service ( BSC) 300; It is composed of a base station manager (Base Station Manager; BSM) 400 for operating maintenance and maintenance of the BTS (200) and BSC (300).

The BSM 400 performs location registration of the WLL subscriber and stores the location registration information of the subscriber as data in a PLD (Program Loaded Data) format. And a Location Register (LR) 500, which is a database for managing and maintaining subscriber data in PLD format.

Here, the description of the PLD, the WLL is to provide a WLL service by a number of systems, such as BTS (200), BSC (300) interworking, and when interworking between these systems, essential common data to operate the entire WLL system is need. Thus, BTS has Operational Data (PLD) to manage and manage the operation of BTS, BSC has Operational Data (PLD) to manage the operation of BTS managed by BSC and BSC, BSM has BSM It also has operational data (PLD) to manage the operation of BSC and BTS. And in order to match the PLD of each system, it is downloaded from BSM in order of BSC and BTS.

In the present invention, the location registration information of the WLL subscriber without mobility is configured in the PLD format.

6 is a flowchart illustrating a method for managing and processing subscriber location registration information in a WLL system according to the present invention.

As shown, the step of storing the information on the WLL subscriber in the PLD format in the BSM 400 (ST11); Downloading the PLD from the BSM 400 when the BSC 300 is initialized (ST12); If the subscriber information is required, the downloaded PLD is searched and the corresponding subscriber information is provided (ST13).

Referring to the subscriber location registration information management and processing method of the WLL system according to the present invention as follows.

First, the WLL system configures the location registration method to limit the mobility of the terminal station 100 due to the characteristics of the wireless subscriber line network that does not provide mobility. That is, the subscriber access device 100 is always fixed to a specific BTS (200) to register the location. And subscriber location registration is efficient, real-time processing is made, and the subscriber location registration is made through a single system BSM 400 to facilitate maintenance. The BSM 400 stores and manages all PLD information corresponding to each BSC 300. The BSM 400 includes information required for subscriber location registration in the corresponding PLD information corresponding to each BSC 300. The control signal message between the database (LR) 500 and the BSM 400 storing the subscriber location registration information of the PLD type is an operator command in the BSM 400 using an inter processor communication (IPC) scheme. Is done.

In this way, the information on the WLL subscriber is configured in the PLD format and stored in the BSM 400 (ST11), and when the BSC 300 is initialized, the PLD corresponding to the BSC 300 is downloaded from the BSM 400 (ST12). . At this time, the subscriber location registration information is also included in the downloaded PLD. In this way, when the subscriber location registration information is loaded in the BSC 400 and a call request from the subscriber is received and the subscriber location registration information is requested, the BSC 400 searches for the PLD to find information about the subscriber, and processes the call origination. And incoming call processing (ST13).

In addition, the change of the subscriber information existing in the BSC (300) enables the change of information by the operator's command in the BSM (400).

In this way, the WLL subscriber location registration is performed in one BSM system and the subscriber location registration information is independently configured at each control station, thereby reducing the performance load due to service processing.

As described above, in the method of managing and processing subscriber location registration information of the WLL system according to the present invention, WLL subscriber location registration information is configured in the form of PLD, which is data for system operation maintenance, and managed by the BSM. By registering the location of the BSM in one system, it is possible to collectively manage the overall service subscriber. And when the initialization of each BSC, PLD containing subscriber location registration information is downloaded from the BSM, and by using the PLD to provide information about the subscriber to be serviced by the BSC, to ensure structural distribution function and independence, This reduces the performance load due to service processing.

Claims (3)

In a wireless subscriber line (WLL) system, Storing information on a WLL subscriber in a PLD (Program Loaded Data) format and storing the information on the WLL subscriber in a base station manager (BSM); Downloading a PLD from the BSM upon initialization of a base station controller (BSC); If the subscriber information is required, the BSC performs a process of searching for the downloaded PLD to provide the subscriber information, the subscriber location registration information management and processing method of the wireless subscriber line (WLL) system. The method of claim 1, wherein the PLD is, Operational data for operational maintenance and management of the operation of each WLL system.Manages PLDs for operational maintenance and management of the overall operation of all WLL systems, and downloads the corresponding PLDs from the BSM when initializing each BSC. A method for managing and processing subscriber location registration information in a WLL system. According to claim 1, The subscriber location registration information management and processing method of the WLL system, characterized in that the change of subscriber information existing in the BSC is made by an operator's command in the BSM.