JPH05211678A - Portable telephone terminal control system - Google Patents

Abstract

PURPOSE:To reduce the memory capacity for terminal control of a radio base station and to eliminate the undesired radio waves required for calling a terminal from the base station in a simple portable telephone system. CONSTITUTION:A radio base station 2 and its peripheral stations store and control the information on a portable telephone terminal 4 in a control memory 8. When it is informed through a timer 9 that the terminal 4 is not used for a fixed time, those stations transmit the alarm signals by the prescribed times end at a prescribed time interval. If no answer is received yet, only the necessary ones of those information on the terminal 4 are sent to en information control center 11. Then the information on the terminal 4 are erased out of the memory 8. Therefore the capacity of the memory 8 is reduced at the station 2. Furthermore the unnecessary calls given to the portable telephones which are not included in the memory 8 can be eliminated. Thus the waste of the radio waves can be prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a service area of each radio base station connected to a general public network of several 100 m to 100 m.
The present invention relates to a mobile phone terminal management system for managing mobile phone terminals used in the case of small zones around m.

[0002]

2. Description of the Related Art In the conventional mobile phone terminal management system,
It is necessary to manage where and how long the mobile phone terminal has called, and whether or not there is a mobile phone terminal that can make a call to or from the mobile phone terminal (whether there is unauthorized use). is there. The method of providing these management functions on the network side and performing centralized management only by the information management center is such that information is exchanged between the information management center and the radio base station. As a result, it will have expensive and complicated functions. Therefore, a method is considered in which the radio base station side manages the terminal as much as possible, and only the necessary information obtained from the radio base station side is collectively transmitted to the information management center in a time zone when night traffic is low. ing.

However, when the radio base station does not know which mobile telephone terminal exists in the service area of the radio base station, a list of all possible mobile telephone terminals is provided for each radio base station and It was necessary to prepare for outgoing calls or incoming calls to mobile phone terminals.

[0006] For example, taking location registration and incoming call as an example, when it is not known which mobile phone terminal exists in its own station, at the time of incoming call, all radio base stations send a signal for incoming call to the mobile phone. It sends it to the terminal and waits for a response from that terminal. This also emits radio waves to a wireless base station in a service area where the mobile phone terminal to be called is absent.

Therefore, the mobile phone terminal performs location registration and informs the wireless base station of its own existence. However, if a plurality of mobile phone terminals do this, other wireless base station services will already be available. Up to the number of mobile phone terminals that have moved to the area are still registered in the position with respect to the wireless base station, and radio waves are wastefully used when receiving a call. In addition, since the information is stored in the management memory up to the amount moved to the service area of another wireless base station, a large memory capacity is required.

[0006]

In the conventional mobile phone terminal management system described above, the capacity of the memory for storing the management information of the mobile phone terminal is increased in the radio base station, and the radio wave for calling an unnecessary mobile phone terminal is not provided. There is a problem of being fired.

[0007]

A mobile phone terminal management system of the present invention is a mobile phone terminal management system having a plurality of wireless base stations connected to a public network and a mobile phone terminal wirelessly communicated with each other. A memory in which information for managing the mobile phone terminal is stored in the wireless base station, a means for ascertaining the mobile phone terminal existing in the own station or a station around the own station, and a mobile phone terminal other than the existence being known Means for erasing the managed information from the memory.

Further, in the radio base station, a timer for counting the unused time for each of the managed mobile phone terminals and outputting it as a count value, and an initial value for the count value when the mobile phone terminal is used Means for setting an alarm signal to the mobile phone terminal within the service area of the own station or a peripheral station of the own station when the count value reaches a preset reference value, and the alarm signal Means for erasing, from the memory, the information managed by the mobile phone terminal that has reached the reference value when a response signal to is not received.

[0009]

The present invention will be described below with reference to the drawings. FIG. 1 is a block diagram of an embodiment of the present invention.

In this embodiment, as shown in FIG. 1, wireless base stations 2 and 3 are connected to a public network 1, and mobile phone terminals 4 and 5 receive a call service under the respective wireless base stations. Information regarding the mobile phone terminals 4 and 5 is received by a transceiver 6 inside the radio base stations 2 and 3 and sent to a control device 7 having a microcomputer. The control device 7 manages the information about the mobile phone terminals 4 and 5 in the management memory 8 and counts the time when the mobile phone terminals 4 and 5 are not used at all by the timer 9. The timer 9 may be realized by hardware or software.

Information concerning the mobile phone terminal 4 is stored in the memory area M1 of the management memory 8, and the mobile phone terminal 4 is used by the timer 9 corresponding to M1 and each time the radio base station 2 receives this radio wave. The count value T1 is set to the initial value, and the value of T1 is counted up when it is not used.

Necessary information out of the contents of the management memory 8 is sent to the information management center 11 through the public network 1 by the interface section 10 during a period of low traffic. For example, for location registration, when a location registration request is made by the mobile phone terminal 4, the radio base station 2 receives the location registration request, stores the location information in the management memory 8 of the radio base station 2, and stores the information at the information management center station. 2, the position information is also transmitted to the mobile phone terminal 4. Therefore, in order to make the mobile phone terminal 4 receive the call by the telephone 12, the mobile phone terminal specific number is transmitted to the information management center 11 via the line a1, and the wireless base station 2 receives this number. When it knows that the location has been registered, it transfers it to this radio base station via line a2. When the radio base station 2 finds out that the information transferred from the line a2 is related to the mobile phone terminal 4, it refers to the contents of the internal management memory 8 and the mobile phone terminal 4 is in the service area. Make sure that
A call can be made between the telephone 12 and the mobile phone terminal 4 by receiving an incoming call on the line a3 by radio waves.

Here, the location registration of the mobile phone terminal 4 is not necessarily performed for only one radio base station 2. Since the mobile phone terminal 4 may move to the service area of the nearby wireless base station after the location registration, the location registration is also performed to the adjacent nearby wireless base stations. As a method for this, when there is a location registration request from the mobile phone terminal 4, the wireless base station 2 that receives the location registration request not only stores it in the management memory 8 of its own station, The position information is also notified to the base station 3 by the signal x2. At this time, the wireless base station 3 stores the position information requested by the mobile phone terminal 4 in the management memory 8 of its own, and also informs the information management center 11 of this. As an incoming call in this case, a number unique to the mobile phone terminal is sent from the telephone 12 to the information management center 11 via the line b1.
The information management center 11 informs the respective radio base stations 2 and 3 of the number and the mobile telephone terminal 4 is called by the radio base stations 2 and 3. Eventually, only the line b2 of the wireless base station that has received a response from the mobile phone terminal is used for communication and the other line b3 is released.

The above-mentioned capacity of the management memory 8 is endlessly accepted each time there is a location registration request from a mobile telephone terminal in the service area of a wireless base station of the own station or an adjacent station. , The memory of the mobile phone terminals that are no longer present in the service area will be stored, so not only a very large memory capacity is required, but also the presence of an incoming call in the service area. It is useless as a method of using radio waves, because even the number of mobile phone terminals that do not call will be called. Therefore, in the present embodiment, the information relating to the mobile phone terminal which becomes unnecessary is sorted out in the following procedure.

Looking at the information of the mobile phone terminal existing in the service area of the own station or the adjacent station and the count value for the time when the mobile phone terminal is not used, if it is not used for a certain period of time or more. When judged, the wireless base station 2 sends an alarm signal. At this time, as the alarm signal, not only the wireless base station 2 but also an adjacent wireless base station 3 is relayed and transmitted as a radio wave, and repeatedly transmitted over time.

When the mobile phone terminal 4 does not respond at all even if the alarm signal is transmitted, it is considered that the mobile phone has moved to the service area of another radio base station, and only the necessary information from the management memory 8 is stored in the information management center 11. After sending to, the information regarding the mobile phone terminal 4 is erased.

As described above, the memory capacity of the management memory 8 in the wireless base station 2 is about the maximum value of the number of portable telephone terminals existing in the local station or a nearby wireless base station adjacent to the local station. Is sufficient, and it is not necessary to unnecessarily emit a radio wave for calling a mobile phone terminal.

[0018]

As described above, according to the present invention, a memory for storing information for managing a plurality of mobile phone terminals in a radio base station and a mobile phone terminal existing in its own station or a peripheral station of its own station are grasped. By providing the means for deleting the information managed by the mobile phone terminal other than the existence of which is managed from the memory, the capacity of the management memory in the wireless base station can be reduced. In addition, it is possible to eliminate unnecessary emission of radio waves when calling a mobile phone terminal.

[Brief description of drawings]

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

[Explanation of symbols]

 1 Public Network 2, 3 Radio Base Station 4, 5 Mobile Phone Terminal 6 Transceiver 7 Control Device 8 Management Memory 9 Timer 10 Interface Section 11 Information Management Center 12 Telephone

Claims (2)

[Claims] 1. In a mobile phone terminal management system having a plurality of wireless base stations connected to a public network and a mobile phone terminal wirelessly communicated, information for managing the mobile phone terminal is stored in the wireless base station. And a means for keeping track of the mobile phone terminals existing in the local station or a station around the local station,
A method for managing a mobile phone terminal, comprising means for deleting from the memory the information managed by the mobile phone terminal other than the existence of which is recognized. 2. The wireless base station, a timer that counts the unused time for each of the managed mobile phone terminals and outputs it as a count value, and an initial value of the count value when the mobile phone terminal is used. Means for setting an alarm signal to the mobile phone terminal within the service area of the own station or a peripheral station of the own station when the count value reaches a preset reference value, and the alarm signal 2. The mobile phone terminal management system according to claim 1, further comprising means for erasing, from the memory, information managed by the mobile phone terminal that has reached the reference value when a response signal to the is not received.