KR100316695B1 - Apparatus and method for controlling signalling channel in wireless local loop system - Google Patents

Abstract

The present invention relates to an apparatus and a method for dynamically controlling a signaling channel in a WLL exchange, and more particularly, to dynamically control a signaling channel used to provide analog and comprehensive information network services by supporting a V5.2 interface in a WLL system. The present invention relates to an apparatus and a method for dynamically controlling a signaling channel in a WLL exchange. According to an apparatus and method for dynamically controlling a signaling channel in a WLL exchange according to the present invention, a processor unit and an internal switch unit supporting multi-channel are used. It is possible to add a switching function between the relay line and the processor unit, and since the signaling channel system in the conventional WLL switch has no function for adding a signaling channel other than the signaling channel set at initialization, the signaling channel cannot be added. Would have encountered a problem There is an excellent effect that the signaling is to prevent the phenomenon that can not be assigned to that channel.

Description

Apparatus and method for controlling signaling channel in wireless local loop system}

The present invention relates to an apparatus and method for dynamically controlling a signaling channel in an exchange of a wireless local loop system (hereinafter, referred to as a WLL). In particular, the present invention provides analog and comprehensive information by supporting a V5.2 interface in a WLL system. An apparatus and method for dynamically controlling a signaling channel in a WLL exchange that dynamically controls a signaling channel used to provide a network service.

The WLL system refers to a system that connects a subscriber to a public switched telephone network by using a radio signal in place of a copper cable connecting a subscriber and an exchange.

In the conventional WLL switch, the signaling channel system has a predetermined channel, and initializes and uses the corresponding channel at the time of initialization, so that signal information is exchanged through a fixed channel without changing the channel.

Therefore, in the above-described signaling channel system in the WLL exchange, since there is no function for adding a signaling channel other than the signaling channel set at the time of initialization, it is impossible to add the signaling channel. There was a problem that became impossible.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to add a switching function between a relay line and a processor unit by using an internal switch unit and a processor unit supporting multi-channels. An apparatus and method for dynamically controlling a signaling channel in a WLL exchange are provided.

In order to achieve the above object, an apparatus for dynamically controlling a signaling channel in a WLL exchange of the present invention,

A management processor unit for managing the signaling channel of the WLL exchange, receiving notification of alarm information, analyzing the information, and requesting a change if there is a problem in the signaling channel; A multi-channel protocol line that receives a signaling channel request from the management processor, controls a signaling channel, notifies alarm information to the management processor, and receives information from a subscriber network and switches to a general B channel and a high level data link control channel. It characterized in that it comprises a board assembly.

In addition, the present invention provides a method for dynamically controlling a signaling channel in a WLL switch, comprising: a first step of the channel management firmware unit reading alarm information from a register of an E1 interface unit in which an interrupt has occurred; A second step of determining whether the alarm information is V5.2 interface related information; In the second step, if the alarm is not used in the V5.2 interface, the operation is finished. In the case of the alarm used in the V5.2 interface, the alarm is generated in the current state of the first layer finite state machine of the corresponding E1 interface unit. Changing to a state of a first layer finite state machine and performing a procedure defined in a V5.2 interface; A fourth step of determining whether the alarm information is information to be reported to a higher level; In the fourth step, if the alarm information is not the information to be reported to the higher level, execution is finished, and if the information is to be reported to the higher level, the fifth information is reported to the management processor by storing necessary information in the first layer queue provided by the operating system. Characterized in that it comprises a step.

On the other hand, the method for dynamically controlling the signaling channel in the WLL switch of the present invention, the first step of the channel management firmware unit reads the request information of the management processor unit; A second step of comparing contents of the request information; A third step of modifying control data of the switch unit so that the channel of the E1 relay line is switched to a high level data link control channel of a processor unit supporting a multichannel function if the request information is an additional request of a signaling channel; And a fourth step of enabling a corresponding channel of the processor.

1 is a functional block diagram illustrating a system equipped with an apparatus for dynamically controlling a signaling channel in a WLL exchange according to an embodiment of the present invention;

2 is an operation flowchart illustrating a control method of a channel management firmware unit that is performed when an alarm occurs in an E1 interface unit according to an embodiment of the present invention;

3 is an operation flowchart illustrating a method of dynamically controlling a signaling channel by receiving a request from a management processor unit according to an embodiment of the present invention.

Explanation of symbols for the main parts of the drawings

10: management processor unit

20: multichannel protocol line board assembly

21: E1 interface unit

22: processor unit

23: switch unit

24: Channel Management Firmware

30: time division switch

Hereinafter, an apparatus and method for dynamically controlling a signaling channel in a WLL exchange according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a functional block diagram illustrating a system equipped with an apparatus for dynamically controlling a signaling channel in a WLL exchange according to an embodiment of the present invention, wherein the WLL exchange system includes a management processor 10, multi A channel protocol line board assembly (Multichannal Protocol Line board Assembly) 20, a time division switch (Time Switch) 30, and the multi-channel protocol line board assembly (Multichannal Protocol Line board Assembly) 20 The E1 interface unit 21 includes a processor unit 22, a processor unit 22, a switch unit 23, and a channel management firmware (F / W) unit 24.

The management processor 10 manages the signaling channel of the WLL exchange, analyzes the information by receiving the notification of the alarm information, and plays a role of requesting the change if there is a problem in the signaling channel.

Meanwhile, the multi-channel protocol line board assembly unit 20 receives a signaling channel request from the management processor 10 to perform signaling channel control, notifies alarm management information to the management processor 10, and receives information from a subscriber network. A channel used as a general B channel not shown in the drawing is switched to a time division switch unit 30 to be described later, and a channel used for signaling is a high level data link not shown in the diagram of the processor unit 22 to be described later. Switch to control channel.

Here, the normal B channel is distinguished from the C channel, which is a signaling channel, and is connected to a time division switch unit 30 which will be described later in connection with transmission of general data except signal information, and the high level data link control channel is a second protocol. A channel corresponding to the layer is connected to the processor unit 22 described later in association with a link of signal information.

In addition, the E1 interface 21 mounted in the multi-channel protocol line board assembly 20 serves to provide an E1 interface between the data connection network and the multi-channel protocol line board assembly 20.

Meanwhile, the processor unit 22 mounted in the multi-channel protocol line board assembly unit 20 receives an alarm when an abnormal state occurs on the E1 interface unit 21 and sends a call signal for control accordingly. It receives a request for channel change from the management processor unit 10 and sends a call signal.

In addition, the switch unit 23 mounted in the multi-channel protocol line board assembly unit 20 switches the signaling channel of each channel of E1 to the high level data link control channel of the processor unit 22, and returns to the general B channel. The channel used serves to switch to the time division switch unit 30 to be described later.

On the other hand, the channel management firmware unit 24 mounted in the multi-channel protocol line board assembly unit 20 reads the corresponding alarm and operates according to the state diagram defined in the V5.2 interface, and calls the processor unit 22. It receives and serves to control the signaling channel requested by the management processor 10.

In addition, the time division switch unit 30 functions to perform time division switching on general data excluding signal data.

1 and the following description, a method for dynamically controlling a signaling channel in a WLL exchange according to an embodiment of the present invention will be described with reference to FIGS. 2 and 3.

2 is an operation flowchart illustrating a control method of a channel management firmware unit that is performed when an alarm occurs in an E1 interface unit according to an embodiment of the present invention, where S represents a step.

First, the channel management firmware section 24 reads the alarm information from the register of the E1 interface section 21 where the interrupt has occurred (S1).

Then, it is determined whether the alarm information is V5.2 interface related information (S2).

At this time, if the alarm is not used in the V5.2 interface, the operation is finished. If the alarm is used in the V5.2 interface, the alarm is generated in the current state of the first-layer finite state machine of the corresponding E1 interface unit 21. Change to the state of the first layer finite state machine according to and perform the procedure specified in the V5.2 interface (S3).

Thereafter, the channel management firmware unit 23 determines whether the alarm information generated in the current state is information to be reported to the upper level (S4). Here, the above-mentioned means an operation management processor (OMP) which is an operation / correction processor among main processors (MPs) in the WLL exchange.

At this time, if it is not the information to be reported to the higher level, execution is finished, and if it is the information to be reported to the higher level, the necessary information is stored in the first layer queue provided by the operating system and reported to the management processor unit 10 (S5). ).

3 is an operation flowchart illustrating a method of dynamically controlling a signaling channel by receiving a request from a management processor unit according to an embodiment of the present invention, where S represents a step.

First, the channel management firmware unit 24 reads the request information of the management processor unit 10 (S1).

Then, the content of the request information is determined (S2).

At this time, if the request information is an additional request for a signaling channel, the control data of the switch unit 23 is modified to switch the channel of the E1 relay line to the high level data link control channel of the processor unit 22 supporting the multi-channel function. (S3).

Thereafter, the corresponding channel of the processor 22 is enabled (S4).

On the other hand, if the request information is a deletion request for the signaling channel in the second step (S2), the control data of the switch unit 23 is modified to switch the channel of the E1 relay line to the time division switch unit 30 (S3 '). ).

Thereafter, the corresponding channel of the processor unit 22 is disabled, and the corresponding channel of the time division switch unit 30 is enabled (S4 ').

In addition, if the request information in the second step (S2) is a request of the V5.2 interface-related E1 relay line management function in the management processor unit 10, the corresponding E1 interface control function is then performed (S3).

As described above, according to an apparatus and method for dynamically controlling a signaling channel in a WLL exchange according to the present invention, a signaling channel used to provide an analog and integrated information network service by supporting a V5.2 interface in a WLL system is provided. In addition, the switching function can be added between the relay line and the processor unit by using the processor unit and the internal switch unit that support the multi-channel. Since there is no function for adding a signaling channel, it is impossible to add the signaling channel, and thus, when a problem occurs in the signaling channel, it is possible to prevent the phenomenon in which signaling assigned to the channel becomes impossible.

Claims (6)

A management processor unit for managing the signaling channel of the WLL exchange, receiving notification of alarm information, analyzing the information, and requesting a change if there is a problem in the signaling channel; A multi-channel protocol for controlling a signaling channel by receiving a signaling channel request from the management processor, notifying alarm information to the management processor, and receiving information from a subscriber network and switching to a general B channel and a high level data link control channel. And a line board assembly portion for dynamically controlling the signaling channel in the WLL exchange. The method of claim 1, The multichannel protocol line board assembly may include: an E1 interface unit providing an E1 interface between an access network and the multichannel protocol line board assembly; A processor unit for receiving an alarm and sending a call signal for control according to an abnormal state on the E1 interface unit, and receiving a request for channel change from the management processor unit and sending a call signal; A channel management firmware unit that reads the alarm and operates according to the state diagram defined in the V5.2 interface, receives a call of the processor unit, and controls a signaling channel requested by the management processor unit; The signaling channel of each channel of E1 is switched to the high level data link control channel of the processor unit, and the channel used as the general B channel is configured to switch the channel to the time division switch unit to control the signaling channel dynamically in the WLL exchange. Device. A first step of reading out alarm information from the register of the E1 interface unit in which the channel management firmware unit has interrupted; A second step of determining whether the alarm information is V5.2 interface related information; In the second step, if the alarm is not used in the V5.2 interface, the operation is finished. In the case of the alarm used in the V5.2 interface, the alarm is generated in the current state of the first layer finite state machine of the corresponding E1 interface unit. Changing to a state of a first layer finite state machine and performing a procedure defined in a V5.2 interface; A fourth step of determining whether the alarm information is information to be reported to a higher level; In the fourth step, if the alarm information is not the information to be reported to the higher level, execution is finished, and if the information is to be reported to the higher level, the fifth information is reported to the management processor by storing necessary information in the first layer queue provided by the operating system. And controlling the signaling channel dynamically at the WLL exchange. A first step of reading, by the channel management firmware unit, request information from the management processor unit; A second step of comparing contents of the request information; A third step of modifying control data of the switch unit so that the channel of the E1 relay line is switched to a high level data link control channel of a processor unit supporting a multichannel function if the request information is an additional request of a signaling channel; And a fourth step of enabling the corresponding channel of the processor. The method of claim 4, wherein A third 'step of modifying the control data of the switch unit to switch the channel of the E1 relay line to the time division switch unit if the request information is a request for deleting the signaling channel in the second step; And disabling the corresponding channel of the processor unit, and enabling the corresponding channel of the time division switch unit. The method of claim 4, wherein If the request information in the second step is a request of the E1 relay line management function associated with the V5.2 interface in the management processor unit, and then the step S3 of performing the corresponding E1 interface control function, the signaling in the WLL exchange dynamically How to control the channel.