JP2001251684A - Mobile unit, mobile communication system and reception state reporting method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform reporting when it is judged that reporting that a mobile unit comes in a message reception possible state to a message service system is effective and to eliminate reporting unless it is judged to be effective. SOLUTION: The mobile unit 2 measures a message reception frequency and a time without receiving a message (reception impossible time). The mobile unit 2 performs reporting to the HLR 6 of the message service system that the unit 2 comes in the message reception possible state when a state becomes the reception possible state from the impossible state, in the case that it exists now in the service area being the same as that where it has existed when it has been in the preceding reception possible state and when the reception frequency satisfies a prescribed condition or when the reception impossible time satisfies a prescribed condition. Otherwise, the mobile unit 2 does not perform reporting to the HLR 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a method for notifying a message service system that a mobile station is ready to receive a message when the message is considered to be effective. The present invention relates to a mobile station, a mobile communication system, and a reception state notification method that do not perform the notification.

[0002]

2. Description of the Related Art Conventionally, messages can be transmitted and received between mobile stations via a message service system. However, the mobile device may not be able to receive the message. For example, the case where the power of the destination mobile device (the called party) is off or the case where the destination mobile device is out of the service area (when not in any service area).

[0003] Conventionally, when a mobile station to which a message is transmitted cannot receive the message, for example, a message service system stores the message. Then, after the mobile device of the transmission destination enters a receivable state due to power-on, return to service area, or the like, the user of the mobile device performs a message confirmation operation or the like, and the mobile device is receivable by the message service system. When he was notified, the stored message was being sent to the mobile.

[0004]

However, it is troublesome for the user to operate himself / herself and notify the message service system that the mobile station is ready to receive a message after the mobile station is ready to receive a message.

Therefore, when the mobile station changes from the message non-receivable state to the message receivable state, the mobile station uniformly and automatically notifies the message service system of the change to the message receivable state. It is possible to do. The notification may be performed, for example, by transmitting a location registration signal.

However, when the mobile station is in the receivable state, it is located in the same service area as the service area in which the mobile station was in the previous receivable state (for example, when the mobile station is out of the service area from the service area). Exiting and returning to the service area, or turning off the power in the service area and turning on the power in the service area), if the above notification is performed uniformly, the message service system and network will be overwhelmed. It is possible to do. For example, if a large number of users, such as tunnels, notify at the same time, the message service system and network will be squeezed. Further, for example, when a user who does not store a message in the message service system makes a notification, the notification is a useless signal and only presses the message service system or the network.

Therefore, an object of the present invention is to provide a method in which it is considered effective to notify a message service system that a mobile station has entered a message receivable state. Means that the notification is not performed.

[0008]

According to one aspect of the present invention, there is provided a mobile station for receiving a message from a message service system having one or more service areas. A reception frequency measuring means for measuring the frequency, and a case where the mobile device is in a state where it can receive a message from a state where it cannot receive a message, and a service area where the mobile device was located when the mobile device was in a state where it can receive a message last time. When located in the same service area, it is determined whether or not to notify the message service system that the mobile device is ready to receive a message based on the reception frequency measured by the reception frequency measurement unit. And a notifying means for notifying when it is determined to notify.

According to a second aspect of the present invention, there is provided a mobile device for receiving a message from a message service system having one or more service areas, and a non-reception time measurement for measuring a time during which the mobile device cannot receive a message. Means, and when the mobile station changes from a state in which it cannot receive a message to a state in which it can receive a message, and the mobile station is located in the same service area as the service area in which it was located last time In the case, based on the unreceivable time measured by the unreceivable time measuring unit, it is determined whether or not to notify the message service system that the mobile device is ready to receive a message. And notifying means for notifying when the judgment is made.

According to a third aspect of the present invention, in the mobile device according to the first or second aspect, the notification by the notification unit is performed by transmitting a location registration signal to the message service system. And

According to a fourth aspect of the present invention, in the mobile device according to any one of the first to third aspects, the message is a short message.

[0012] According to a fifth aspect of the present invention, in the mobile device according to any one of the first to third aspects, the message is an answering machine message.

According to a sixth aspect of the present invention, there is provided a mobile communication system comprising the mobile station according to any one of the first to fifth aspects and a message service system for transmitting a message to the mobile station. It is characterized by.

According to a seventh aspect of the present invention, there is provided a method for notifying a reception state in a mobile station that receives a message from a message service system having one or more service areas, wherein a reception frequency measuring step for measuring a message reception frequency is provided. The case where the mobile station has changed from a state in which it cannot receive a message to a state in which it can receive a message, and the mobile station is located in the same service area as the service area in which the mobile station was in a state in which the mobile station was able to receive the message last time. Based on the reception frequency measured in the reception frequency measurement step,
A notification step of determining whether or not to notify the message service system that the mobile device is ready to receive a message, and notifying when it is determined to be notified.

The invention according to claim 8 is a method of notifying a reception state in a mobile station that receives a message from a message service system having one or more service areas, and measures a time during which the mobile station cannot receive a message. The unreceivable time measurement step and the case where the mobile device has changed from a state where the mobile device cannot receive a message to a state where the mobile device can receive the message, and is the same as the service area where the mobile device was located when the mobile device was previously in a state where it can receive the message. When located in the service area, based on the unreceivable time measured in the unreceivable time measuring step, whether to notify the message service system that the mobile device is ready to receive a message or not. And a notifying step of notifying when it is determined to notify. That.

According to a ninth aspect of the present invention, there is provided the reception status notification method according to the seventh or eighth aspect, wherein the notification in the notification step is performed by transmitting a location registration signal to the message service system. It is characterized by.

According to a tenth aspect of the present invention, in the reception status notifying method according to any one of the seventh to ninth aspects, the message is a short message.

According to an eleventh aspect of the present invention, in the reception status notifying method according to any one of the seventh to ninth aspects, the message is an answering machine message.

According to the above configuration, when it is considered effective to notify the message service system that the mobile device has become ready to receive a message, the notification is performed. The notification may not be performed.

[0020]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a diagram showing a configuration example of a mobile communication system according to an embodiment of the present invention. The mobile communication system shown in FIG. 1 includes a message service system 1 and mobile devices 2 and 14. Message service system 1
Are exchanges 4, 12, HLR (home location register) 6, service center 8, and storage server 10.
Is provided. The message service system 1 has one or more service areas, and the mobile devices 2 and 14 can transmit and receive messages to and from the message service system 1 if they are located in any of the service areas.

FIG. 2 is a diagram for explaining a service area. The service area can be provided for each base station, for example, as shown in FIG. In the example of FIG.
The service area of the base station 21 is a service area 31, and the service area of the base station 22 is a service area 32.
And the service area of the base station 23 is the service area 33. For example, if each base station outputs a different signal as needed within its service area, the mobile station receives a different signal when moving from one service area to another service area. You can know that the service area has changed. When the mobile device determines that the service area has changed, it performs location registration.

In this embodiment, a mobile station sends a GSM (Global System for Mobile communicatio) to another mobile station.
ns) Standard short messages can be transmitted. For example, the user of the mobile device 2 can transmit a short message to the mobile device 14 via a service center that accommodates the user. That is, in the message service system 1 of FIG. 1, a service center is assigned to each sender of a short message.
Although only one service center (service center 8) is shown in FIG. 1, a plurality of service centers may exist.

In this embodiment, when the destination mobile station cannot receive the short message, the service center 8 stores the short message. After storing the short message, the service center 8 notifies the HLR 6 of information on the mobile device to which the short message is transmitted.

The mobile units 2 and 14 are in a state where the short message cannot be received due to a power-on or a return to the service area, and are in a receivable state. If the user is in the same service area, and if one of the following conditions is satisfied, the message service system 1 (more specifically, the HLR 6) is notified that the short message can be received. I do.

When the short message reception frequency of the own mobile station satisfies a predetermined condition (for example, the threshold is set to 10 times /
Week, and the receiving frequency is higher than the threshold).

When the short message non-reception time (time during which the short message cannot be received) of the mobile device satisfies a predetermined condition (for example, a threshold is set to 30 minutes, and the non-reception time is longer than the threshold) Case).

If none of the above conditions is satisfied, the mobile units 2 and 14 do not make a notification. In the present embodiment, whether or not to make a notification is determined based on both the reception frequency and the non-reception time, but it may be determined based on one of them.

FIG. 3 is a diagram showing an example of processing when the mobile station changes from a state in which a short message cannot be received to a state in which it can receive a short message. In the present embodiment, the mobile devices 2 and 14
By transmitting a location registration signal to the HLR 6, it is notified that the short message can be received. H
Upon receiving the location registration signal, the LR 6 determines whether or not a short message addressed to the mobile station that transmitted the signal is stored in the service center 8. If it is stored, it instructs the service center 8 to transmit the short message to the mobile device.

In this embodiment, the mobile units 2, 1
Reference numeral 4 denotes a case where the short message cannot be received and the reception is possible, and the mobile terminal is located in a service area different from the service area in which the mobile terminal was in the previous reception enabled state (for example, FIG. 2). When the user goes out of the service area 31 and enters the service area 32), a position registration signal is uniformly transmitted to perform position registration.

In the present embodiment, the mobile device can store an answering machine message addressed to another mobile device in the storage server 10. The destination mobile device can access the storage server 10 and obtain (receive) the answering machine message addressed to itself stored in the storage server 10. Although only one storage server (storage server 10) is shown in FIG. 1, a plurality of storage servers may exist.

In this embodiment, the service center 8
When there is a change in the number of the answering machine messages stored in the storage server 10, the short message notifying the number is transmitted to the destination mobile device of the answering machine message. If the destination mobile station cannot receive the short message, the short message is stored in the service center 8.

Each of the mobile units 2 and 14 is in a state where it has changed from an unanswerable message receiving state to a receivable state due to power-on, return to service area, etc. If the user is in the same service area as above and if any of the following conditions is satisfied, the message service system 1 (more specifically, the HLR 6) is notified that the answering machine message can be received. To notify.

When the answering machine message reception frequency of the own mobile station satisfies a predetermined condition (for example, when the threshold is set to 10 times / day and the reception frequency is higher than the threshold).

When the non-answering time of the answering machine message (time during which the answering machine message cannot be received) of the own mobile device satisfies a predetermined condition (for example, the threshold value is set to 30 minutes,
When the unreceivable time is longer than the threshold).

If neither of the above conditions is satisfied, the mobile units 2 and 14 do not make a notification. In the present embodiment, whether or not to make a notification is determined based on both the reception frequency and the non-reception time, but it may be determined based on one of them.

The mobile units 2 and 14 transmit a position registration signal to the HLR 6 to notify that the answering machine message can be received. Upon receiving the location registration signal, the HLR 6 determines whether or not the short message addressed to the mobile station that transmitted the signal is stored in the service center 8 as described above. If it is stored, it instructs the service center 8 to transmit the short message to the mobile device.
At this time, if a short message notifying the number of answering machine messages is stored in the service center 8, the short message is transmitted to the mobile device.

In the present embodiment, the mobile units 2, 1
Reference numeral 4 denotes a case in which the state changes from the state in which the answering machine message cannot be received to the state in which the message can be received, and the mobile phone is located in a service area different from the service area in which the mobile phone was in the previous state in which the message could be received (for example, FIG. Service area 31
Out of service area and enters service area 32),
In order to perform location registration, a location registration signal is transmitted uniformly.

FIG. 4 is a diagram (functional block diagram) showing a configuration example of the mobile units 2 and 14. The mobile units 2 and 14 respectively include a control unit 52, a radio wave unreachable time detection unit 54, a short message / answering machine message reception frequency detection unit 56,
A radio transmission / reception unit 58, an antenna 60, and a display unit 62 are provided.

The control unit 52 performs various controls of the mobile device. The radio transmission / reception unit 58 and the antenna 60 are used for transmitting / receiving various signals. The display unit 62 is used to display various information to the user of the mobile device.

The radio wave non-delivery time detector 54 measures the time from when the radio signal cannot be received until the radio signal can be received. Then, the time is defined as a short message non-reception time and an answering machine message non-reception time. The short message / answering machine message reception frequency detection unit 56 measures the reception frequency of the short message and the answering frequency of the answering machine message. The control unit 52, when the mobile device is changed from a state where it cannot receive the short message and the answering machine message to a state where it can receive the short message and the answering machine message, has the same service area as the service area in which the mobile device was in the previous reception enabled state. It is determined whether or not the user is in the area. In order to make this determination, the mobile device stores the service area in which it is located as needed. If the control unit 52 determines that it is located in the same service area, the control unit 52 generates a position registration signal based on the short message reception impossible time, the answering machine message reception impossible time, the short message reception frequency, and the answering machine message reception frequency. Decide whether to send.

In this embodiment, the present invention has been described by taking the short message service and the answering machine message service as examples of the message service. However, the present invention can be applied to other message services (for example, a facsimile message service). It is.

[0043]

As described above, according to the present invention, when it is considered effective to notify the message service system that the mobile station has become ready to receive a message, the notification is made and the message is sent to the message service system. If it is not possible, the notification can be prevented from being performed.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating a configuration example of a mobile communication system according to an embodiment of the present invention.

FIG. 2 is a diagram for explaining a service area.

FIG. 3 is a diagram illustrating a processing example when a mobile station has changed from a short message receivable state to a receivable state;

FIG. 4 is a diagram illustrating a configuration example of a mobile device.

[Explanation of symbols]

2, 14 mobile unit 4, 12 exchange 6 HLR 8 service center 10 storage server 21, 22, 23 base station 31, 32, 33 service area 52 control unit 54 radio wave non-delivery time detection unit 56 short message / answering machine message reception frequency Detector 58 Radio transmitter / receiver 60 Antenna 62 Display

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04M 11/00 303 H04L 13/00 307A (72) Inventor Satomi Sekine 2-1-1 Nagatacho, Chiyoda-ku, Tokyo No. F-term in NTT Mobile Communication Network Co., Ltd. (reference) KK05 KK06 LL12 MM07 NN21 NN23 PP06 RR27 SS07 TT01 9A001 CC02 CC05 JJ12 JJ27 KK60

Claims (11)

[Claims] 1. A mobile device for receiving a message from a message service system having one or more service areas, a receiving frequency measuring means for measuring a frequency of receiving a message, and receiving from a state where the mobile device cannot receive a message. If the mobile station is in the same service area as the service area in which the mobile device was located when the mobile device was in the state in which the mobile station was previously able to receive, the reception frequency measured by the reception frequency measurement means And notifying means for notifying the message service system that the mobile device is ready to receive a message, and notifying when notifying the message service system. Mobile equipment. 2. A mobile device for receiving a message from a message service system having one or more service areas, wherein a non-reception time measuring means for measuring a time during which the mobile device cannot receive a message; In a case where the mobile terminal has changed from a state in which a message cannot be received to a state in which it can be received, and when the mobile station is located in the same service area as the service area in which the mobile station was in the state in which the mobile station was previously able to receive the message, Based on the unreceivable time measured by the time measuring unit, it is determined whether or not to notify the message service system that the mobile device is ready to receive a message. A mobile device comprising: a notification unit that performs the notification. 3. The mobile device according to claim 1, wherein the notification by the notification unit is performed by transmitting a location registration signal to the message service system. 4. The mobile station according to claim 1, wherein the message is a short message. 5. The mobile station according to claim 1, wherein the message is an answering machine message. 6. A mobile communication system, comprising: the mobile device according to claim 1; and a message service system for transmitting a message to the mobile device. 7. A receiving status notification method in a mobile device for receiving a message from a message service system having one or more service areas, comprising: a receiving frequency measuring step of measuring a frequency of receiving a message; In the case where the mobile terminal has changed from the unreceivable state to the receivable state and the mobile device is located in the same service area as the service area in which the mobile device was in the previous receivable state, the reception frequency measuring step A notification step of determining whether to notify the message service system that the mobile device is ready to receive a message based on the measured reception frequency, and performing a notification when determining to notify. A method of notifying reception status, characterized in that: 8. A reception status notification method in a mobile device for receiving a message from a message service system having one or more service areas, comprising: a non-reception time measuring step of measuring a time during which the mobile device cannot receive a message. The case where the mobile station has changed from a state where it cannot receive a message to a state where it can receive a message, and the mobile station is located in the same service area as the service area which was located when the mobile station was in a state where it can receive the message last time. , Based on the unreceivable time measured in the unreceivable time measuring step, determines whether or not to notify the message service system that the mobile device is ready to receive a message, and determines that the notification is to be made. A notification step of performing a notification in a case. 9. The reception status notification method according to claim 7, wherein the notification in the notification step is performed by transmitting a location registration signal to the message service system. Method. 10. The receiving state notification method according to claim 7, wherein the message is a short message. 11. The receiving state notification method according to claim 7, wherein the message is an answering machine message.