JP3246467B2 - Automatic stage regulation system and method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic call control system for releasing a call restriction step by step based on a restriction time and a call restriction rate when a call is recovered in a non-rescue mode after a system failure in a mobile communication network. It relates to a step regulation system and method.

[0002]

2. Description of the Related Art Conventionally, control of a load state of a mobile telephone system is not based on a load state of a radio circuit control base station but is control of a load state on an exchange side. Was not valid. In order to solve this problem, an example of a conventional line load of a communication network is disclosed in Japanese Patent Application Laid-Open No. 64-48537.
The overload control method for a car telephone system described in this publication is based on a radio circuit control method in an overload control method for a car telephone system comprising a car telephone exchange, a plurality of radio circuit control base stations, and a plurality of mobile stations. The base station monitors the use state of the upstream radio control line receiving a control signal from the mobile station used in its own area, and when the base station detects an overload state of the upstream radio control line by monitoring, it sends a control signal to the mobile station. An outgoing call restriction signal for restricting outgoing calls from the mobile station is transmitted to the downstream radio control line to be transmitted.

[0003]

The above-mentioned JP-A-64-4
No. 8537 discloses an overload control method for a car telephone system, which is performed when the wireless system itself is down and restored to notify the mobile station of call restriction,
There was a risk that the system would go down again only with control. Immediately after resumption in the call non-rescue mode in which all calls are initialized on the base station side, there is a case in which the system cannot withstand a sudden load and causes a system down.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an automatic step-by-step control method and method for gradually releasing a call from being restricted by a restriction time and a call restriction rate in a call non-rescue mode.

[0005]

SUMMARY OF THE INVENTION An automatic step regulation system according to the present invention is an automatic step regulation of a base station control device which controls communication with a base station which controls communication of a terminal device of a mobile communication network within its own area. In the system, the base station control device, in the call non-rescue mode to initialize all calls when recovering, station data having step regulation prescribed value information having a regulation time and a call regulation rate for each of a plurality of step regulation. Get the station data
The restriction time and the call for each of the
Obtain the regulation rate, and the regulation time and
The invention is characterized in that calls are regulated based on the call regulation rate .

An automatic step control method according to the present invention is an automatic step control method in an automatic step control method of a base station control apparatus for controlling communication with a base station that controls communication of a terminal device of a mobile communication network in a local area. When the regulation time and the call regulation rate are defined in a plurality of stages, and when the network is restored in the call non-rescue mode in which all calls are initialized, the regulation time and the call regulation rate are determined. It is characterized in that the call is regulated in stages by performing the call in a plurality of stages.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of the present invention will be described in detail with reference to FIGS. FIG. 1 is a diagram illustrating a configuration of an embodiment of the present invention. FIG. 2 is a diagram illustrating an example of the step regulation definition information of the present invention. As shown in FIG. 1, the mobile communication system stores station data having step regulation prescribed value information having a regulation time and a call regulation rate in the call non-rescue mode for each of a plurality of step regulations. Base station (BTS) 10 for controlling communication of terminal devices in a mobile communication network
And has a congestion monitoring function and call processing and other functions,
A base station controller (BSC) 12 that acquires station data at the time of system restoration, regulates calls based on the station data, and controls communication with the base station 10, and a maintenance device that performs maintenance and operation of the base station controller 12. (OMC) 14 and a mobile switching center (MSC) 16 for exchanging communications from the base station controller 12 and controlling the base station controller 12.

In a mobile communication system composed of a mobile switchboard 16, a base station controller 12, a base station 10, and a maintenance unit 14 for maintaining and operating the base station controller 12, the base station controller 12 operates after the system down. After the system operation is started, if the call connected at the time of the system down is resumed in the call non-rescue mode in which the call is initialized without rescue and the system operation is resumed, the regulation level is sequentially increased three times within a fixed time from the restart. The regulation is performed in three stages of reduction while changing, and the regulation is released after a certain time has elapsed. As an example, in this embodiment, as shown in FIG. 2, the first stage regulates 75% of the calls, and the next stage regulates 50% of the calls.
Regulations, 25% regulation at the final stage.

The operation of the embodiment of the present invention will be described with reference to FIG. FIG. 3 is a diagram of an operation sequence according to the embodiment of the present invention. After the base station controller 12 goes down for some reason, the base station controller 12 resumes in the call non-rescue mode due to a recovery factor. The base station control device 12
Get station data stored in. The base station controller 12 reads out the step regulation specified value information from the station data by the congestion monitoring function, and obtains a regulation time and a call regulation rate in three steps. Next, a restriction request is issued for the call processing by designating the restriction rate (75%) of the call in the first step until the restriction time in the first step elapses. After the restriction time of the first step has passed, the restriction (50%) of the second step is requested for the call processing in the same manner as the first step. When the second stage is completed, the third
Step regulation (25%) is similarly performed. When the third step is completed, the call processing is requested to release the restriction. In the present embodiment, 75%, 50%, and 25% are set. However, since the number of mounted base stations under the base station controller 12 varies depending on the station, the regulation time and regulation rate at each stage can be changed.

[0010]

According to the automatic step regulation system of the present invention, there is a possibility that a recall immediately after the resumption in the resumption in the call non-rescue mode may suddenly occur. There is an effect that the stable operation immediately after the restart can be guaranteed by the restriction of the call by the stored station data. The guarantee of stable operation also has the effect of causing a malfunction immediately after restart due to a sudden load and preventing the worst situation of system down. Further, since the base station stores the station data in the base station control device, it is possible to optimally regulate calls for each base station.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating a configuration of an embodiment of the present invention.

FIG. 2 is a diagram illustrating an example of step regulation definition information according to the present invention.

FIG. 3 is a diagram showing an operation sequence according to the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Base station 12 Base station control device 14 Maintenance device 16 Mobile exchange

Continuation of the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04B ^7/ 24-7/26 H04M 3/08-3/14 H04M 3/22-3/36 H04Q 1/20-1 / 36 H04Q 3/54-3/56 H04Q 7/00-7/38

Claims (5)

(57) [Claims] In an automatic step regulation method of a base station control device for controlling communication with a base station which controls communication of a terminal device of a mobile communication network in its own area, when the base station control device is restored, In the call non-rescue mode for initializing all calls, obtain station data having step regulation prescribed value information having a regulation time and a call regulation rate for each of a plurality of step regulations, and obtain each station regulation from the station data.
Acquire the regulation time and the call regulation rate, and regulate each stage
The call regulation based on the regulation time and the call regulation rate.
Automatic stage regulation system and performs braking. 2. The method according to claim 1 , wherein the call restriction rate is reduced when the restriction time is advanced or when the restriction is advanced, and the call restriction is released when the final restriction is completed. 2. The automatic step regulation system according to claim 1, wherein: 3. An automatic step restriction method in an automatic step restriction method of a base station control device for controlling communication with a base station that controls communication of a terminal device of a mobile communication network in a local area, comprising : The restriction time and the call restriction rate are defined separately, and when the recovery of the network is performed in the call rescue mode in which all calls are initialized, the restriction time and the call restriction rate are performed in the plurality of stages. An automatic step regulation method, wherein a step regulation of a call is performed. Wherein said plurality of stages, when the restriction time in accordance with the step proceeds with the call restriction rate becomes lower end of the regulation is completed, according to claim 3, characterized in that the restriction is released Automatic step regulation method as described. Wherein restriction by the restriction time and the call restriction rate of the plurality of stages, an automatic phase regulation method according to claim 4, wherein the performed in the base station controller.