JPH0295037A - Mobile radio communication system - Google Patents
Mobile radio communication systemInfo
- Publication number
- JPH0295037A JPH0295037A JP63248077A JP24807788A JPH0295037A JP H0295037 A JPH0295037 A JP H0295037A JP 63248077 A JP63248077 A JP 63248077A JP 24807788 A JP24807788 A JP 24807788A JP H0295037 A JPH0295037 A JP H0295037A
- Authority
- JP
- Japan
- Prior art keywords
- file
- mobile station
- station
- mobile
- radio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004891 communication Methods 0.000 title claims description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は移動無線通信システムに関し、特に自動車電話
など、移動局の位置登録を行う移動無線通信システムに
関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a mobile radio communication system, and particularly to a mobile radio communication system that registers the location of a mobile station such as a car telephone.
自動車電話は、移動局がサービス範囲内にいるかぎりど
こへ移動しても電話がかけられ、通信に際して場所の制
約を開放することができる。自由に移動する移動局に着
信を行うために、従来、その移動局の位置を登録してお
くファイルを交換機に設けておき、該当する移動局が登
録されている無線基地局から無線信号により呼び出して
いた。As long as the mobile station is within the service range, a car phone can make a call no matter where the mobile station moves, making communication free of location constraints. In order to receive a call to a freely moving mobile station, conventionally, a file is stored in the exchange that registers the location of the mobile station, and the mobile station is called using a radio signal from the wireless base station where the mobile station is registered. was.
上述した従来の移動無線通信システムにおいては、無線
基地局がカバーするゾーンが小さくなるにつれて、移動
局が他のゾーンに移動する回数が高くなり、交換局に設
けられた位置登録のファイルの更新頻度が高くなりファ
イルの処理能力を著しく高めなければならないのと同時
に、移動局がら交換局までの回線の使用が、実際には通
話が行われないのにもかかわらす、増大するという問題
点がある。In the conventional mobile radio communication system described above, as the zone covered by a radio base station becomes smaller, the number of times a mobile station moves to another zone increases, and the update frequency of the location registration file provided at the switching center increases. At the same time, there is a problem in that the usage of the line from the mobile station to the switching center increases even though no calls are actually made. .
また、位置登録を一ケ所のファイルにまとめて行うので
、このファイルが故障するとシステム全体に障害がおよ
ぶという問題点もある。Another problem is that since location registration is performed in one file, if this file malfunctions, the entire system will be affected.
本発明の移動無線通信システムは、複数の移動局と、複
数の無線基地局と、交換局と、前記移動局の位置登録情
報を記録する複数のファイルとを備え、前記移動局への
着信に際して着信ずべき前記移動局の番号が前記交換局
から前記複数のファイルに対して有線回線を通じて放送
モードで送信され、該当する前記移動局の前記番号を記
録している前記ファイルが接続されている前記無線基地
局から該当する前記移動局を無線信号により呼び出すよ
うに構成される。The mobile radio communication system of the present invention includes a plurality of mobile stations, a plurality of radio base stations, a switching center, and a plurality of files for recording location registration information of the mobile stations, The number of the mobile station to which a call is to be received is transmitted from the switching center to the plurality of files in broadcast mode through a wired line, and the file recording the number of the corresponding mobile station is connected to the switching center. The wireless base station is configured to call the corresponding mobile station using a wireless signal.
次に、本発明について図面を参照して説明する。 Next, the present invention will be explained with reference to the drawings.
第１図は本発明の一実施例を示すシステム概念図である
。FIG. 1 is a conceptual diagram of a system showing an embodiment of the present invention.
移動局１９０と有線電話端末１０１との間の通話は、多
数の無線基地局のうちのどれか１つと、これに接続され
ている自動車電話交換局１］−〇および有線網１００を
介して行われる。その他、移動局の間での通話も行われ
る。移動局は多数設置される無線基地局のいずれかの無
線ゾーン内に存在するかぎり通話が可能である。A call between the mobile station 190 and the wired telephone terminal 101 is carried out via one of the many wireless base stations, the mobile telephone exchange 1]-〇 connected to this, and the wired network 100. be exposed. In addition, calls are also made between mobile stations. As long as a mobile station exists within a radio zone of one of the many radio base stations installed, it is possible to make a call.
移動局は、それが所属する無線ゾーンに対応して、無線
基地局に設置されている位置登録ファイルに登録される
。第１図の例においては、移動局１９０は無線基地局］
４０に設置されているファイル１４１に登録される。A mobile station is registered in a location registration file installed in a wireless base station, corresponding to the wireless zone to which the mobile station belongs. In the example of FIG. 1, the mobile station 190 is a wireless base station]
It is registered in the file 141 installed in 40.
登録の具体的方法は、例えは、各無線基地局から送信さ
れる信号の強度を移動局で測定し、最も高い強度を示す
無線基地局に対してその無線基地局の識別信号を付加し
て送信することによって行う。移動局がある無線基地局
の無線ゾーンから他の無線基地局の無線ゾーンに移動し
たときにも、同様な方法で移動局側からの動作によって
、田無線ゾーンのファイルから登録を抹消し、新しい無
線ゾーンのファイルに登録を行う。A specific method for registration is, for example, to measure the strength of the signal transmitted from each wireless base station using a mobile station, and to add the identification signal of that wireless base station to the wireless base station showing the highest strength. Do it by sending. When a mobile station moves from the wireless zone of one wireless base station to the wireless zone of another wireless base station, the mobile station uses the same method to delete the registration from the wireless zone file and create a new wireless zone. Register in the wireless zone file.
移動局１９０に有線電話端末１０１から着呼があった場
合の動作は次のようになる。有線網１００から自動車電
話交換局１１０に着呼要求がかかると、自動車電話交換
局１１０は、有線回線１１１，１１２，１１３を通じて
無線基地局１２０ １３０．１．４０に対して、移動局
１９０の加入者番号を同じように送信する（放送モード
）。無線基地局１２０，１３０．１４０に設置されてい
る位置登録ファイル１２１，１３１゜１４１においては
、自動車電話交換局１１０から放送されてきた移動局１
９０の番号が自分のファイルに登録されているかどうか
を検索する。移動局１９０はファイル１４１に登録され
ているので、ファイル１４１は自動車電話交換局１１０
に対して該当番号が登録されていることを送信する。そ
れと同時に、無線基地局１４０の送受信装置（図示せず
）により、無線信号によって、移動局１９０を呼び出す
。自動車電話交換局１１０は有線網１００を介して有線
電話端末１０１と無線基地局１４０との回線を接続し、
通話が開始される。The operation when mobile station 190 receives an incoming call from wired telephone terminal 101 is as follows. When a call request is received from the wired network 100 to the mobile telephone exchange 110, the mobile telephone exchange 110 requests the mobile station 190 to join the wireless base station 120 130.1.40 via the wired lines 111, 112, 113. send the user ID in the same way (broadcast mode). In the location registration files 121, 131° 141 installed in the wireless base stations 120, 130, 140, the mobile station 1 broadcasted from the mobile telephone exchange 110
Search to see if the number 90 is registered in your file. Since the mobile station 190 is registered in the file 141, the file 141 is registered in the mobile telephone exchange 110.
Sends a message that the corresponding number is registered. At the same time, a transmitter/receiver (not shown) of the wireless base station 140 calls the mobile station 190 by a wireless signal. The car telephone exchange 110 connects the line between the wired telephone terminal 101 and the wireless base station 140 via the wired network 100,
The call begins.
なお、移動局側からの発呼に関しては、従来の自動車電
話の場合と変らない。以上説明した実施例においては位
置登録ファイルを各無線基地局に設けたが、いくつかの
無線基地局をまとめて１つのファイルを設けても同様な
効果が得られる。Note that calls from the mobile station are no different from those of conventional car telephones. In the embodiment described above, a location registration file is provided for each radio base station, but the same effect can be obtained even if several radio base stations are provided together in one file.
以上説明したように本発明は、位置登録ファイルを無線
基地局に分散させたことにより、移動局が無線ゾーン間
を頻繁に移動したとしても、ファイル登録の更新は分散
された各ファイル毎に行われるので、そのための処理能
力は自動車電話交換局に集中した場合に比べて低くとも
よく、また、位置登録ファイルが分散されているので、
障害が発生したとしてもシステム全体に影響が及ぶこと
はなく、さらに、交換局と無線基地局との間で位置登録
情報の伝送を行う必要がないので、そのために通信回線
の使用が増大することがないという効果がある。As explained above, the present invention distributes location registration files to wireless base stations, so that even if a mobile station frequently moves between wireless zones, file registration can be updated for each distributed file. The processing capacity required for this purpose may be lower than if it were concentrated at the mobile telephone exchange, and since the location registration files are distributed,
Even if a failure occurs, it does not affect the entire system, and there is no need to transmit location registration information between the switching center and the wireless base station, which increases the use of communication lines. The effect is that there is no
第１図は本発明の一実施例のシステム概念図である。
１００・・・有線網、１０１・・有線電話端末、１１０
・・自動車電話交換局、１１１，１．１２，１１３・有
線回線、１２０，１３０，１４０・・・無線基地局、１
．２１，１３１，１４１・・ファイル、１２２゜］、３
２，１４２・・無線ゾーン。FIG. 1 is a conceptual diagram of a system according to an embodiment of the present invention. 100... Wired network, 101... Wired telephone terminal, 110
... Car telephone exchange, 111, 1.12, 113 - Wired line, 120, 130, 140 ... Wireless base station, 1
．． 21,131,141...file, 122°], 3
2,142...Wireless zone.
Claims (1)
移動局の位置登録情報を記録する複数のファイルとを備
え、前記移動局への着信に際して着信すべき前記移動局
の番号が前記交換局から前記複数のファイルに対して有
線回線を通じて放送モードで送信され、該当する前記移
動局の前記番号を記録している前記ファイルが接続され
ている前記無線基地局から該当する前記移動局を無線信
号により呼び出すことを特徴とする移動無線通信システ
ム。The mobile station includes a plurality of mobile stations, a plurality of radio base stations, a switching center, and a plurality of files for recording location registration information of the mobile stations, and the number of the mobile station to be called is determined when a call is received to the mobile station. The corresponding mobile station is transmitted from the wireless base station to which the file, which records the number of the corresponding mobile station, is transmitted from the switching center in broadcast mode to the plurality of files through a wired line. A mobile radio communication system characterized by calling by radio signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63248077A JPH0642751B2 (en) | 1988-09-30 | 1988-09-30 | Mobile radio communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63248077A JPH0642751B2 (en) | 1988-09-30 | 1988-09-30 | Mobile radio communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0295037A true JPH0295037A (en) | 1990-04-05 |
| JPH0642751B2 JPH0642751B2 (en) | 1994-06-01 |
Family
ID=17172868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63248077A Expired - Fee Related JPH0642751B2 (en) | 1988-09-30 | 1988-09-30 | Mobile radio communication system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0642751B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02155318A (en) * | 1988-12-08 | 1990-06-14 | Iwatsu Electric Co Ltd | Mobile body communication system |
| JPH05199168A (en) * | 1992-01-20 | 1993-08-06 | Nec Corp | Position detection system |
| US6018573A (en) * | 1996-12-26 | 2000-01-25 | Nec Corporation | Mobility management system in personal communication system |
| US6038442A (en) * | 1997-03-24 | 2000-03-14 | Nec Corporation | Communication system |
-
1988
- 1988-09-30 JP JP63248077A patent/JPH0642751B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02155318A (en) * | 1988-12-08 | 1990-06-14 | Iwatsu Electric Co Ltd | Mobile body communication system |
| JPH05199168A (en) * | 1992-01-20 | 1993-08-06 | Nec Corp | Position detection system |
| US6018573A (en) * | 1996-12-26 | 2000-01-25 | Nec Corporation | Mobility management system in personal communication system |
| US6038442A (en) * | 1997-03-24 | 2000-03-14 | Nec Corporation | Communication system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0642751B2 (en) | 1994-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |