JP2007300344A - Communication management method and wireless communication system - Google Patents

Communication management method and wireless communication system Download PDF

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JP2007300344A
JP2007300344A JP2006125969A JP2006125969A JP2007300344A JP 2007300344 A JP2007300344 A JP 2007300344A JP 2006125969 A JP2006125969 A JP 2006125969A JP 2006125969 A JP2006125969 A JP 2006125969A JP 2007300344 A JP2007300344 A JP 2007300344A
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wireless communication
communication device
state
repeater
information
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Yoshihiro Akahira
悦啓 赤平
Kimitoshi Yoshino
公俊 芳野
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Icom Inc
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Icom Inc
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Abstract

<P>PROBLEM TO BE SOLVED: To enable a first wireless communication device side to speedily recognize that a second wireless communication device in an incommunicable state recovers from the incommunicable state in such a case when calling the second wireless communication device. <P>SOLUTION: A communication management method is characterized in that in a wireless communication system in which the first wireless communication device and second wireless communication device are operative to communicate with each other through a relaying means and which has a storage means, calling information is stored in the storage means if the second wireless communication device is in the incommunicable state when the first wireless communication devices calls the second wireless communication device; when the second wireless communication device recovers from the incommunicable state to a communicable state and accesses the relaying means, the first wireless communication device is informed that the second wireless communication device recovers to the communicable state. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、第１の無線通信機と第２の無線通信機とが中継手段を介して通信し得るように構成されるとともに、前記中継手段が読み書き可能なサーバなどの記憶手段を備え、前記第２の無線通信機が通信不可能状態から通信可能状態に復帰したときには、前記第２の無線通信機は、前記中継手段に対してアクセスするように構成された無線通信システムに関するものである。   The present invention is configured such that the first wireless communication device and the second wireless communication device can communicate with each other via a relay unit, and the relay unit includes a storage unit such as a readable / writable server, The second wireless communication device relates to a wireless communication system configured to access the relay means when the second wireless communication device returns from the communication disabled state to the communication enabled state.

上述したような構成の無線通信システムにおいては、第１の無線通信機が第２の無線通信機を呼び出したとき、第２の無線通信機が通信不可能状態（中継手段のサービス範囲外や電源オフの状態など）の場合には、通信が確立しないので、第１の無線通信機は、後ほど、再度呼び出す必要がある。再度の呼び出しても通信が確立しない場合には、さらに、後ほど呼び出し、第２の無線通信機が通信可能な状態になるまで、呼び出しを試す必要がある。また、例えば、１０分おきに第２の無線通信機を呼び出していた場合、第２の無線通信機が通信可能状態になってから、そのことが分かるまで、最大１０分を要するという問題や、その１０分の間に、第２の無線通信機が一旦通信可能状態になったにもかかわらず、再度通信不可能状態になってしまった場合には、第２の無線通信機が一旦通信可能状態になったことに気づかないという問題がある。   In the wireless communication system configured as described above, when the first wireless communication device calls the second wireless communication device, the second wireless communication device is in an incommunicable state (outside the service range of the relay means or power supply). In the case of an off state or the like), communication is not established, so the first wireless communication device needs to be called again later. If communication is not established even after calling again, it is necessary to call again later and try the call until the second wireless communication device becomes communicable. In addition, for example, if the second wireless communication device is called every 10 minutes, it takes 10 minutes at the maximum until the second wireless communication device becomes communicable until it is understood, If the second wireless communicator is once in a communicable state within 10 minutes, but the second wireless communicator becomes incapable of communication again, the second wireless communicator can communicate once There is a problem of not knowing that it is in a state.

また、統制局と移動局又は移動局同士が、中継局を介した中継回線の単一無線回線で接続され、被呼局からの応答がないと個別通信接続しない地域防災無線システムにおいて、通信接続中に被呼局からの応答が返ってくるまでの間、回線接続動作中である旨の、あるいは選択中の接続ルートを表明する旨の音声メッセージ（報知音）を運用者に聴かせることによって、通信接続時までの無音待時間をなくすようにした技術が特許文献１に記載されている。
これは、従来の地域防災無線システムにおいては、移動局は個別通信接続をしている間は、無音状態となっているので、被呼局が応答しないと、運用者は通信接続中なのか通信接続出来ず終話しているのかわからなくなってしまうという欠点を解決することを目的としたものである。 In a regional disaster prevention radio system where the control station and the mobile station or mobile stations are connected by a single radio link via a relay station and do not connect individually unless there is a response from the called station. By listening to the operator for a voice message (notification sound) to the effect that the line connection is in operation or to announce the selected connection route until a response is received from the called station. Japanese Patent Application Laid-Open No. H10-228688 describes a technique that eliminates the silent waiting time until communication connection.
This is because, in the conventional regional disaster prevention radio system, the mobile station is silent during individual communication connection, so if the called station does not respond, the operator is communicating or not communicating. The purpose is to solve the shortcoming of not being able to connect and not knowing whether you are talking.

特開２００２−１３５８４９JP 2002-135849 A

本発明では、第１の無線通信機が第２の無線通信機を呼び出したときに、第２の無線通信機が通信不可能状態であったが、その後、前記第２の無線通信機が通信不可能状態から通信可能状態に復帰したときには、そのことを、第１の無線通信機側で速やかに認識できる技術を提供して、遅滞なく通信を確立できるようにすることを目的としている。   In the present invention, when the first wireless communication device calls the second wireless communication device, the second wireless communication device is in a state where communication is impossible. Thereafter, the second wireless communication device communicates with the second wireless communication device. It is an object of the present invention to provide a technology capable of promptly recognizing that when the communication state is restored from the impossible state to the first wireless communication device side so that communication can be established without delay.

本発明の請求項１にかかる通信管理方法は、
中継局を介した第１の無線通信機と第２の無線通信機との間の通信状態を管理する通信管理方法であって、
第１の無線通信機から第２の無線通信機に対する呼び出し時に、第２の無線通信機が通信不可能状態であって、その後、第２の無線通信機が通信不可能状態から通信可能状態に復帰したときには、第２の無線通信機が通信可能状態に復帰したことを第１の無線通信機に通知することを特徴としている。
請求項２の通信管理方法は、
第１の無線通信機と第２の無線通信機とが中継手段を介して通信し得るように構成され、前記中継手段は、記憶手段と通信して呼び出し情報を読み書き可能に構成された無線通信システムにおける通信管理方法であって、
前記第１の無線通信機から前記第２の無線通信機に対する呼び出し時に、前記第２の無線通信機が通信不可能状態であった場合には、前記第１の無線通信機から前記第２の無線通信機に対する呼び出し情報を前記記憶手段に記憶させ、
前記第２の無線通信機が、通信不可能状態から通信可能状態に復帰して前記中継手段にアクセスしたときには、前記第１の無線通信機に対して、前記第２の無線通信機が通信可能状態に復帰したことを通知させることを特徴としている。
本発明の請求項３にかかる無線通信システムは、
第１の無線通信機と第２の無線通信機とが中継手段を介して通信し得るように構成されるとともに、前記中継手段が読み書き可能な記憶手段を備えた無線通信システムにおいて、第１の無線通信機から第２の無線通信機に対する呼び出し時に、第２の無線通信機が通信不可能状態であった場合には、第１の無線通信機から第２の無線通信機に対する呼び出し情報を前記記憶手段に記憶させる通信不可能記録手段と、
通信不可能状態から通信可能状態に復帰した前記第２の無線通信機からのアクセスがあった場合には、前記記憶手段に記憶された呼び出し情報を参照して、参照した前記呼び出し情報に基づいて、前記第２の無線通信機が通信可能状態に復帰したことを前記第１の無線通信機に通知する通知手段と
を備えたことを特徴としている。
The communication management method according to claim 1 of the present invention includes:
A communication management method for managing a communication state between a first wireless communication device and a second wireless communication device via a relay station,
At the time of calling from the first wireless communication device to the second wireless communication device, the second wireless communication device is in a communication disabled state, and thereafter, the second wireless communication device is changed from a communication disabled state to a communication enabled state. When returning, the first wireless communication device is notified that the second wireless communication device has returned to a communicable state.
The communication management method of claim 2 comprises:
Wireless communication configured such that the first wireless communication device and the second wireless communication device can communicate with each other via a relay unit, and the relay unit is configured to be able to read and write call information by communicating with a storage unit A communication management method in a system,
When the second wireless communication device is in a communication impossible state at the time of calling from the first wireless communication device to the second wireless communication device, the second wireless communication device receives the second wireless communication device from the first wireless communication device. Storing call information for the wireless communication device in the storage means;
When the second wireless communication device returns from the communication disabled state to the communication enabled state and accesses the relay means, the second wireless communication device can communicate with the first wireless communication device. It is characterized by notifying that the state has been restored.
A wireless communication system according to a third aspect of the present invention includes:
In a wireless communication system including a first wireless communication device and a second wireless communication device configured to be able to communicate with each other via a relay unit, the relay unit including a readable / writable storage unit, When the second wireless communication device is in a communication impossible state when calling from the wireless communication device to the second wireless communication device, the call information from the first wireless communication device to the second wireless communication device is set as the call information. A non-communication recording means to be stored in the storage means;
When there is an access from the second wireless communication device that has returned from the communication disabled state to the communication enabled state, the call information stored in the storage means is referred to, and the call information is referred to. And a notification means for notifying the first wireless communication device that the second wireless communication device has returned to a communicable state.

本願請求項１の発明によれば、
第１の無線通信機から第２の無線通信機に対する呼び出し時に、第２の無線通信機が通信不可能状態であって、その後、第２の無線通信機が通信不可能状態から通信可能状態に復帰したときには、第２の無線通信機が通信可能状態に復帰したことを第１の無線通信機に通知するので、第１の無線通信機は、第２の無線通信機が通信可能状態になるまで繰り返し呼び出しを試みなくても、第２の無線通信機が通信可能状態になった時点で速やかに、そのことを知ることができる。
請求項２の発明では、
前記第１の無線通信機から前記第２の無線通信機に対する呼び出し時に、前記第２の無線通信機が通信不可能状態であった場合には、前記第１の無線通信機から前記第２の無線通信機に対する呼び出し情報を前記記憶手段に記憶させているので、
前記第２の無線通信機が、通信不可能状態から通信可能状態に復帰して前記中継手段にアクセスしたときには、前記記憶させていた呼び出し情報に基づいて第１の無線通信機からの呼び出しが不在着信となっていたことを知ることができ、第１の無線通信機に対して、前記第２の無線通信機が通信可能状態に復帰したことを通知することができる。
したがって、第１の無線通信機は、第２の無線通信機が通信可能状態になるまで繰り返し呼び出しを試みなくても、第２の無線通信機が通信可能状態になった時点で速やかに、そのことを知ることができる。
本願請求項３の無線通信システムでは、
第１の無線通信機から第２の無線通信機に対する呼び出し時に、第２の無線通信機が通信不可能状態であった場合には、第１の無線通信機から第２の無線通信機に対する呼び出し情報を前記記憶手段に記憶させておくので、
通信不可能状態から通信可能状態に復帰した前記第２の無線通信機からのアクセスがあった場合には、前記記憶手段に記憶された呼び出し情報を参照して、参照した前記呼び出し情報に基づいて、第１の無線通信機からの呼び出しが不在着信となっていたことを知ることができ、前記第２の無線通信機が通信可能状態に復帰したことを前記第１の無線通信機に通知することができる。
したがって、第１の無線通信機は、第２の無線通信機が通信可能状態になるまで繰り返し呼び出しを試みなくても、第２の無線通信機が通信可能状態になった時点で速やかに、そのことを知ることができる。
According to the invention of claim 1 of the present application,
At the time of calling from the first wireless communication device to the second wireless communication device, the second wireless communication device is in a communication disabled state, and thereafter, the second wireless communication device is changed from a communication disabled state to a communication enabled state. When returning, the first wireless communication device notifies the first wireless communication device that the second wireless communication device has returned to a communicable state, so that the first wireless communication device is ready for communication with the second wireless communication device. Even if the call is not repeated until the second wireless communication device is ready for communication, it can be quickly known.
In the invention of claim 2,
When the second wireless communication device is in a communication impossible state at the time of calling from the first wireless communication device to the second wireless communication device, the second wireless communication device receives the second wireless communication device from the first wireless communication device. Since calling information for the wireless communication device is stored in the storage means,
When the second wireless communication device returns from the communication disabled state to the communication enabled state and accesses the relay means, there is no call from the first wireless communication device based on the stored call information. It is possible to know that the incoming call has been received, and to notify the first wireless communication device that the second wireless communication device has returned to the communicable state.
Therefore, even if the first wireless communication device does not repeatedly try to call until the second wireless communication device is ready for communication, the first wireless communication device immediately I can know that.
In the wireless communication system according to claim 3 of the present application,
If the second wireless communication device is in a communication impossible state when calling from the first wireless communication device to the second wireless communication device, calling from the first wireless communication device to the second wireless communication device Since information is stored in the storage means,
When there is an access from the second wireless communication device that has returned from the communication disabled state to the communication enabled state, the call information stored in the storage means is referred to, and the call information is referred to. , It is possible to know that the call from the first wireless communication device is a missed call, and notify the first wireless communication device that the second wireless communication device has returned to a communicable state. be able to.
Therefore, even if the first wireless communication device does not repeatedly try to call until the second wireless communication device is ready for communication, the first wireless communication device immediately I can know that.

以下に、本発明にかかる通信管理方法を採用した無線通信システムを、その実施の形態を示した図面に基づいて詳細に説明する。
本発明にかかる無線通信システムの概略構成を示した図１において、
Ａ，Ｂは中継手段としてのレピータ、Ｓは記憶手段を備えたサーバであり、各レピータＡ，ＢとサーバＳとはネットワークＮを介してそれぞれ通信可能な状態に設定されている。そして、１は第１の無線通信機、２は第２の無線通信機であり、第１の無線通信機１はレピータＡと通信可能な状態であり、第２の無線通信機２はレピータＢと通信可能な状態である。
なお、本発明にかかる無線通信システムを構成する各レピータＡ，Ｂ、サーバＳ、第１の無線通信機１、および第２の無線通信機２は、ネットワークＮ上においては、ＩＰアドレスなどの個別の識別情報で識別されている。
前記サーバＳは、第１の無線通信機１はレピータＡと通信可能な範囲内（レピータＡのサービスエリア）におり、第２の無線通信機２はレピータＢと通信可能な範囲内（レピータＢのサービスエリア）にいるという位置情報を記憶し、各レピータと、それぞれのレピータと通信可能な無線通信機とを、それぞれ関連付けして記憶している。 Hereinafter, a wireless communication system employing a communication management method according to the present invention will be described in detail with reference to the drawings showing embodiments thereof.
In FIG. 1 showing a schematic configuration of a wireless communication system according to the present invention,
A and B are repeaters as relay means, and S is a server provided with storage means. The repeaters A and B and the server S are set in a communicable state via the network N. Reference numeral 1 is a first wireless communication device, 2 is a second wireless communication device, the first wireless communication device 1 is in a state where it can communicate with a repeater A, and the second wireless communication device 2 is a repeater B. It is in a state where it can communicate with.
Note that the repeaters A and B, the server S, the first wireless communication device 1 and the second wireless communication device 2 constituting the wireless communication system according to the present invention are individually connected on the network N such as an IP address. Are identified by the identification information.
The server S is in a range where the first wireless communication device 1 can communicate with the repeater A (service area of the repeater A), and the second wireless communication device 2 is within a range capable of communicating with the repeater B (repeater B). Position information indicating that the user is in the service area), and each repeater and a wireless communication device that can communicate with each repeater are stored in association with each other.

上記構成の無線通信システムにおいて、通常の通話シーケンスは以下の通りである。
１）第１の無線通信機１がレピータＡに対して、第２の無線通信機２との通話開始要求情報を周波数ｆ１で送信する。通話開始要求情報には、第１の無線通信機１の識別情報と、第２の無線通信機２の識別情報が含まれている。
２）レピータＡは、第２の無線通信機２がどのレピータのサービスエリアにいるか、サーバＳに問い合わせる。
３）サーバＳは、第２の無線通信機２はレピータＢのサービスエリアにいるという位置情報を得て、レピータＡに返す。
４）レピータＡはレピータＢへ、第１の無線通信機１から第２の無線通信機２へ対する通信開始要求情報をネットワークＮを介して送る。
５）レピータＢは、第２の無線通信機２に第１の無線通信機１からの通話開始要求情報を周波数ｆ４で送信する。
６）第２の無線通信機２はレピータＢに通話可能応答情報を周波数ｆ３で返す。
７）レピータＢはレピータＡに第２の無線通信機２から第１の無線通信機１への通話可能応答情報を返す。
８）レピータＡは、第１の無線通信機１に第２の無線通信機２からの通話可能応答情報を周波数ｆ１で返す。
９）第１の無線通信機１は、レピータＡ、レピータＢを介して、第２の無線通信機２との通話を開始する。
１０）シーケンス終了。 In the wireless communication system configured as described above, a normal call sequence is as follows.
1) The first wireless communication device 1 transmits, to the repeater A, call start request information with the second wireless communication device 2 at the frequency f1. The call start request information includes identification information of the first wireless communication device 1 and identification information of the second wireless communication device 2.
2) The repeater A inquires the server S which repeater service area the second wireless communication device 2 is in.
3) The server S obtains position information that the second wireless communication device 2 is in the service area of the repeater B, and returns it to the repeater A.
4) The repeater A sends the communication start request information from the first wireless communication device 1 to the second wireless communication device 2 to the repeater B via the network N.
5) The repeater B transmits the call start request information from the first wireless communication device 1 to the second wireless communication device 2 at the frequency f4.
6) The second wireless communication device 2 returns callable response information to the repeater B at the frequency f3.
7) The repeater B returns to the repeater A response information for enabling communication from the second wireless communication device 2 to the first wireless communication device 1.
8) The repeater A returns the call enable response information from the second wireless communication device 2 to the first wireless communication device 1 at the frequency f1.
9) The first wireless communication device 1 starts a call with the second wireless communication device 2 via the repeater A and the repeater B.
10) End of sequence.

次に、第２の無線通信機２が通信不可能状態である場合のシーケンスを説明する。
１）第１の無線通信機１がレピータＡに対して、第２の無線通信機２との通話開始要求情報を周波数ｆ１で送信する。
２）レピータＡは、第２の無線通信機２がどのレピータのサービスエリアにいるか、サーバＳに問い合わせる。
３）サーバＳは、第２の無線通信機２はレピータＢのサービスエリアにいるという位置情報を得て、レピータＡに返す。
４）レピータＡはレピータＢへ、第１の無線通信機１から第２の無線通信機２へ対する通信開始要求情報をネットワークＮを介して送る。
５）レピータＢは、第２の無線通信機２に第１の無線通信機１からの通話開始要求情報を周波数ｆ４で送信する。
６）レピータＢは一定時間待機し、第２の無線通信機２からの応答が無ければ、レピータＢはレピータＡに、ネットワークＮを介して、第２の無線通信機２が通信不可能状態であることを示す通信不可能応答情報を返す。
７）レピータＡは、サーバＳに、第１の無線通信機１から第２の無線通信機２への呼び出し情報として、第１の無線通信機１と第２の無線通信機２の識別情報を含んだ不在着信情報を登録する。
なお、レピータＡが、サーバＳの記憶手段に前記呼び出し情報としての不在着信情報を登録して記録する機能が、特許請求の範囲に記載された通信不可能記録手段に対応している。
８）レピータＡは、第１の無線通信機１に第２の無線通信機２からの通話不可能応答情報を周波数ｆ１で返す。
９）シーケンス終了。
以上のシーケンスによって、第１の無線通信機１側では、第２の無線通信機２が通信不可能状態であることを認識する。
Next, a sequence when the second wireless communication device 2 is in a communication impossible state will be described.
1) The first wireless communication device 1 transmits, to the repeater A, call start request information with the second wireless communication device 2 at the frequency f1.
2) The repeater A inquires the server S which repeater service area the second wireless communication device 2 is in.
3) The server S obtains position information that the second wireless communication device 2 is in the service area of the repeater B, and returns it to the repeater A.
4) The repeater A sends the communication start request information from the first wireless communication device 1 to the second wireless communication device 2 to the repeater B via the network N.
5) The repeater B transmits the call start request information from the first wireless communication device 1 to the second wireless communication device 2 at the frequency f4.
6) The repeater B waits for a certain time, and if there is no response from the second wireless communication device 2, the repeater B communicates with the repeater A via the network N when the second wireless communication device 2 cannot communicate. Returns response information indicating that communication is not possible.
7) The repeater A sends the identification information of the first wireless communication device 1 and the second wireless communication device 2 to the server S as call information from the first wireless communication device 1 to the second wireless communication device 2. Register the missed call information included.
The function that the repeater A registers and records the missed call information as the call information in the storage means of the server S corresponds to the communication impossible recording means described in the claims.
8) The repeater A returns the call impossible response information from the second wireless communication device 2 to the first wireless communication device 1 at the frequency f1.
9) End of sequence.
From the above sequence, the first wireless communication device 1 recognizes that the second wireless communication device 2 is in a communication disabled state.

次に、第２の無線通信機２が通信不可能状態から通信可能状態に復帰した場合のシーケンスを説明する。
１）第２の無線通信機２の電源がオンされて、通信可能状態に復帰すると、第２の無線通信機２は最寄りのレピータ（例えばレピータＢ）に不在着信の有無を周波数ｆ３で問い合わせる。
２）レピータＢは、ネットワークＮを介してサーバＳに、第２の無線通信機２に対する不在着信の有無を問い合わせる。
３）サーバＳは、第２の無線通信機２への不在着信情報を読み出して、レピータＢに返す。
４）レピータＢは、第２の無線通信機２に周波数ｆ４で不在着信情報を送る。
５）不在着信情報を受け取った第２の無線通信機２は、レピータＢに周波数ｆ３で不在着信到達報告情報を送る。
６）レピータＢは、サーバＳに不在着信到達報告情報を送る。
７）サーバＳは、不在着信到達報告情報を受け取ると、サーバＳに登録されている不在着信情報から、発信側の無線通信機が第１の無線通信機１であることを認識する。そして、サーバＳは、第１の無線通信機１がレピータＡのサービスエリアにいることを把握しているので、レピータＡに、第２の無線通信機２が通信可能状態になったことを示す不在着信取得通知情報を送る。
８）レピータＡは、第１の無線通信機１に前記不在着信取得通知情報を周波数ｆ２で送信する。
なお、サーバＳが、レピータＡを介して、第１の無線通信機１に前記不在着信取得通知情報を送信する機能が、特許請求の範囲に記載された通知手段に対応している。
９）シーケンス終了
以上のシーケンスによって、第１の無線通信機１側では、第２の無線通信機２が通信不可能状態から通信可能状態に復帰したことを認識する。
したがって、直ちに、第２の無線通信機２を呼び出せば通信を確立できる可能性が高い。 Next, a sequence when the second wireless communication device 2 returns from the communication disabled state to the communication enabled state will be described.
1) When the power of the second wireless communication device 2 is turned on and returns to the communicable state, the second wireless communication device 2 inquires of the nearest repeater (for example, the repeater B) whether there is a missed call at the frequency f3.
2) The repeater B inquires the server S via the network N about the presence or absence of a missed call to the second wireless communication device 2.
3) The server S reads out missed call information to the second wireless communication device 2 and returns it to the repeater B.
4) The repeater B sends missed call information to the second wireless communication device 2 at the frequency f4.
5) The second wireless communication device 2 that has received the missed call information sends the missed call arrival report information to the repeater B at the frequency f3.
6) Repeater B sends missed call arrival report information to server S.
7) When the server S receives the missed call arrival report information, the server S recognizes from the missed call information registered in the server S that the originating wireless communication device is the first wireless communication device 1. Then, since the server S knows that the first wireless communication device 1 is in the service area of the repeater A, the server S indicates to the repeater A that the second wireless communication device 2 has become communicable. Send missed call notification information.
8) The repeater A transmits the missed call acquisition notification information to the first wireless communication device 1 at the frequency f2.
The function of the server S transmitting the missed call acquisition notification information to the first wireless communication device 1 via the repeater A corresponds to the notification means described in the claims.
9) End of sequence By the above sequence, the first wireless communication device 1 recognizes that the second wireless communication device 2 has returned from the communication disabled state to the communication enabled state.
Therefore, it is highly possible that communication can be established immediately by calling the second wireless communication device 2.

なお、本無線通信システムにおいて、不在着信情報は、少なくとも、発信側の無線通信機（第１の無線通信機１）の識別情報と着信側の無線通信機（第２の無線通信機２）の識別情報とを含み、さらには時刻情報を含んでもよい。サーバＳは、このような不在着信情報を、例えば最大５件分蓄積できるように構成されている。
また、不在着信取得通知情報は、少なくとも着信側の無線通信機（第２の無線通信機２）の識別情報を含んでいる。 In the present wireless communication system, the missed call information includes at least the identification information of the originating wireless communication device (first wireless communication device 1) and the receiving wireless communication device (second wireless communication device 2). Identification information, and may further include time information. The server S is configured to accumulate up to five such missed call information, for example.
Further, the missed call acquisition notification information includes at least identification information of the wireless communication device (second wireless communication device 2) on the receiving side.

以上のように、本発明にかかる無線通信システムによれば、
通信しようとして呼び出した相手側の無線通信機が通信不可能状態から通信可能状態に復帰したときには、そのことをその時点で速やかに知ることができるので、従来のように、相手が通信可能状態になるまで繰り返し何回も呼び出しする必要がない。
また、相手が通信可能状態になった時点で速やかにそのことを知ることができるので、迅速な通信が可能となる。 As described above, according to the wireless communication system according to the present invention,
When the other party's wireless communication device that is called for communication returns from the communication disabled state to the communication enabled state, it can be immediately known at that time, so that the other party can enter the communication enabled state as before. You don't have to call it over and over again until
Further, since it is possible to quickly know when the other party becomes communicable, rapid communication is possible.

なお、本願発明の無線通信システムは、３つ以上のレピータを備えるものであってもよく、その場合、各リピータが無線通信機と送受信する周波数は各々別のものに設定することができる。
無線通信機には、各レピータに設定された周波数が登録されている。例えば、無線通信機は、現在所属しているレピータに不具合が生じて使用不可となった場合であっても、前記登録されている周波数をサーチして、別の使用可能なレピータを探すことができる。
また、第１の無線通信機１が、現在所属しているレピータＡのサービスエリアから別のレピータのサービスエリアに移動した場合、第１の無線通信機１は、別のレピータに対して自己の識別情報を送信する。別のレピータは、第１の無線通信機１が自己のサービスエリアに所属するようになったと認識し、その情報をサーバＳに送信する。
こうすることで、第１の無線通信機１が、現在所属しているレピータＡのサービスエリアから別のレピータのサービスエリアに移動した場合であっても、第２の無線通信機２が通信可能状態になったことを知ることができるのである。
Note that the wireless communication system of the present invention may include three or more repeaters, and in that case, the frequency at which each repeater transmits and receives to and from the wireless communication device can be set differently.
In the wireless communication device, the frequency set for each repeater is registered. For example, a wireless communication device can search for a registered frequency to find another usable repeater even if a repeater to which the user currently belongs becomes defective and cannot be used. it can.
In addition, when the first wireless communication device 1 moves from the service area of the repeater A to which it currently belongs to the service area of another repeater, the first wireless communication device 1 is self-regarded with respect to another repeater. Send identification information. Another repeater recognizes that the first wireless communication device 1 has belonged to its own service area, and transmits the information to the server S.
In this way, even if the first wireless communication device 1 moves from the service area of the repeater A to which it currently belongs to the service area of another repeater, the second wireless communication device 2 can communicate. You can know that you are in a state.

本発明の実施例１では、図２に示したように、複数のＩＰレピータＡ１，Ａ２，Ａ３，Ａ４とＩＰサーバＳ１とＤＨＣＰサーバＳ２とが、ＬＡＮ（Local Area Network）を介して互いに通信可能に接続されている。なお、必要に応じてハブＨが配置されている。
そして、複数の携帯無線通信機１１，１２が前記ＩＰレピータとＬＡＮを介して互いに通信可能に構成されている。
前記ＩＰサーバＳ１とＤＨＣＰサーバＳ２とには予め固定ＩＰアドレスが設定されており、各ＩＰレピータＡ１，Ａ２，Ａ３，Ａ４にはＤＨＣＰサーバＳ２によって自動的にＩＰアドレスが割り振られる。
各ＩＰレピータＡ１，Ａ２，Ａ３，Ａ４は、各無線通信機との間で無線通信可能な送受信機能を備えるとともに、ＬＡＮを介したネットワーク通信機能を備えている。
各ＩＰレピータＡ１，Ａ２，Ａ３，Ａ４は、それぞれ識別情報が設定されており、前記ＬＡＮに接続した時点で、前記ＤＨＣＰサーバＳ２によって重複しないＩＰアドレスが割り当てられる。
各無線通信機は通信可能状態になると最寄りのＩＰレピータにアクセスするので、そのような無線通信機からのアクセスを受けたＩＰレピータは、前記無線通信機の識別情報を、当該ＩＰレピータの識別情報と関連付けして位置登録情報として記憶するとともに、その位置登録情報を前記ＩＰサーバＳ１に送る。
前記ＩＰサーバＳ１は、このような位置登録情報を、各ＩＰレピータごとに登録して記憶している。このようにして、前記ＩＰサーバＳ１は、各無線通信機がどのＩＰレピータのサービスエリアに位置しているかを、常時把握している。 In the first embodiment of the present invention, as shown in FIG. 2, a plurality of IP repeaters A1, A2, A3, A4, IP server S1, and DHCP server S2 can communicate with each other via a LAN (Local Area Network). It is connected to the. A hub H is arranged as necessary.
A plurality of portable wireless communication devices 11 and 12 are configured to be able to communicate with each other via the IP repeater and the LAN.
Fixed IP addresses are set in advance in the IP server S1 and the DHCP server S2, and IP addresses are automatically allocated to the IP repeaters A1, A2, A3, and A4 by the DHCP server S2.
Each IP repeater A1, A2, A3, A4 has a transmission / reception function capable of wireless communication with each wireless communication device and a network communication function via a LAN.
Each IP repeater A1, A2, A3, and A4 is set with identification information, and when connected to the LAN, an IP address that is not duplicated is assigned by the DHCP server S2.
Since each wireless communication device accesses the nearest IP repeater when communication is possible, the IP repeater that has received access from such a wireless communication device uses the identification information of the wireless communication device as the identification information of the IP repeater. Is stored as location registration information, and the location registration information is sent to the IP server S1.
The IP server S1 registers and stores such location registration information for each IP repeater. In this way, the IP server S1 always knows which IP repeater service area each wireless communication device is located in.

また、前記ＩＰサーバＳ１は、不在着信情報を記憶するように構成され、通信不可能状態から通信可能状態に復帰した無線通信機から、不在着信到達報告情報を受け取ると、前記不在着信情報から、発信側の無線通信機を特定するとともに、その無線通信機がどのＩＰレピータのサービスエリアにいるかを特定して、そのＩＰレピータを介して相手側の無線通信機が通信可能状態になったことを示す不在着信取得通知情報を送るのである。
したがって、発信側は、着信側から不在着信取得通知情報を受け取ってすぐに着信側を呼び出すと、通信を確立できる可能性が高い。 The IP server S1 is configured to store missed call information. When the missed call arrival report information is received from a wireless communication device that has returned from a communication impossible state to a communicable state, the IP server S1 Identify the originating wireless communication device, identify which IP repeater service area the wireless communication device is in, and confirm that the other wireless communication device is in a communicable state via the IP repeater. The missed call acquisition notification information shown is sent.
Therefore, if the calling side calls the called side immediately after receiving the missed call acquisition notification information from the called side, there is a high possibility that communication can be established.

なお、ネットワークとしては、個別の事業所内などのＬＡＮに限らず、各事業所などを専用回線などで接続したＷＡＮや、インターネットを利用することも可能である。
また、記憶手段は、中継手段に内蔵してもよい。
Note that the network is not limited to a LAN within an individual office or the like, but can also be a WAN in which each office is connected by a dedicated line or the Internet.
Further, the storage means may be built in the relay means.

また、無線通信機としては、音声通信だけでなく、データ通信機能を備えた携帯通信端末でもよい。また、携帯電話の通信システムに利用して、着信側が通信不可能状態から通信可能状態になったことを、発信側に通知するように構成することも可能である。
Further, the wireless communication device may be a mobile communication terminal having a data communication function as well as voice communication. It is also possible to use the mobile phone communication system so as to notify the calling side that the incoming side has changed from the incommunicable state to the communicable state.

本発明にかかる無線通信システムの実施の形態の概略構成図である。It is a schematic block diagram of embodiment of the radio | wireless communications system concerning this invention. 実施例１の無線通信システムの概略構成図である。1 is a schematic configuration diagram of a wireless communication system according to a first embodiment.

符号の説明Explanation of symbols

Ａ，Ｂ 中継手段、レピータ
Ｓ 記憶手段、サーバ
Ｎ ネットワーク
１ 第１の無線通信機
２ 第２の無線通信機
Ａ１，Ａ２，Ａ３，Ａ４ 中継手段、ＩＰレピータ
Ｓ１ 記憶手段、ＩＰサーバ
Ｓ２ ＤＨＣＰサーバ
ＬＡＮ ネットワーク
１１，１２ 第１、第２の無線通信、携帯無線通信機 A, B relay means, repeater S storage means, server N network 1 first wireless communication device 2 second wireless communication devices A1, A2, A3, A4 relay means, IP repeater S1 storage means, IP server S2 DHCP server LAN Network 11, 12 First and second wireless communication, portable wireless communication device

Claims (3)

中継局を介した第１の無線通信機と第２の無線通信機との間の通信状態を管理する通信管理方法であって、
第１の無線通信機から第２の無線通信機に対する呼び出し時に、第２の無線通信機が通信不可能状態であって、その後、第２の無線通信機が通信不可能状態から通信可能状態に復帰したときには、第２の無線通信機が通信可能状態に復帰したことを第１の無線通信機に通知することを特徴とする通信管理方法。
A communication management method for managing a communication state between a first wireless communication device and a second wireless communication device via a relay station,
At the time of calling from the first wireless communication device to the second wireless communication device, the second wireless communication device is in a communication disabled state, and thereafter, the second wireless communication device is changed from a communication disabled state to a communication enabled state. A communication management method comprising: notifying the first wireless communication device that the second wireless communication device has returned to a communicable state when returning.
第１の無線通信機と第２の無線通信機とが中継手段を介して通信し得るように構成され、前記中継手段は、記憶手段と通信して呼び出し情報を読み書き可能に構成された無線通信システムにおける通信管理方法であって、
前記第１の無線通信機から前記第２の無線通信機に対する呼び出し時に、前記第２の無線通信機が通信不可能状態であった場合には、前記第１の無線通信機から前記第２の無線通信機に対する呼び出し情報を前記記憶手段に記憶させ、
前記第２の無線通信機が、通信不可能状態から通信可能状態に復帰して前記中継手段にアクセスしたときには、前記第１の無線通信機に対して、前記第２の無線通信機が通信可能状態に復帰したことを通知させることを特徴とする通信管理方法。
Wireless communication configured such that the first wireless communication device and the second wireless communication device can communicate with each other via a relay unit, and the relay unit is configured to be able to read and write call information by communicating with a storage unit A communication management method in a system,
When the second wireless communication device is in a communication impossible state at the time of calling from the first wireless communication device to the second wireless communication device, the second wireless communication device receives the second wireless communication device from the first wireless communication device. Storing call information for the wireless communication device in the storage means;
When the second wireless communication device returns from the communication disabled state to the communication enabled state and accesses the relay means, the second wireless communication device can communicate with the first wireless communication device. A communication management method characterized by notifying that the state has been restored.
第１の無線通信機と第２の無線通信機とが中継手段を介して通信し得るように構成されるとともに、前記中継手段が読み書き可能な記憶手段を備えた無線通信システムにおいて、第１の無線通信機から第２の無線通信機に対する呼び出し時に、第２の無線通信機が通信不可能状態であった場合には、第１の無線通信機から第２の無線通信機に対する呼び出し情報を前記記憶手段に記憶させる通信不可能記録手段と、
通信不可能状態から通信可能状態に復帰した前記第２の無線通信機からのアクセスがあった場合には、前記記憶手段に記憶された呼び出し情報を参照して、参照した前記呼び出し情報に基づいて、前記第２の無線通信機が通信可能状態に復帰したことを前記第１の無線通信機に通知する通知手段と
を備えたことを特徴とする無線通信システム。 In a wireless communication system including a first wireless communication device and a second wireless communication device configured to be able to communicate with each other via a relay unit, the relay unit including a readable / writable storage unit, When the second wireless communication device is in a communication impossible state when calling from the wireless communication device to the second wireless communication device, the call information from the first wireless communication device to the second wireless communication device is set as the call information. A non-communication recording means to be stored in the storage means;
When there is an access from the second wireless communication device that has returned from the communication disabled state to the communication enabled state, the call information stored in the storage means is referred to, and the call information is referred to. A wireless communication system comprising: notifying means for notifying the first wireless communication device that the second wireless communication device has returned to a communicable state.
JP2006125969A 2006-04-28 2006-04-28 Communication management method and wireless communication system Pending JP2007300344A (en)

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