JPH02305128A - Electric filed monitor system - Google Patents
Electric filed monitor systemInfo
- Publication number
- JPH02305128A JPH02305128A JP1125761A JP12576189A JPH02305128A JP H02305128 A JPH02305128 A JP H02305128A JP 1125761 A JP1125761 A JP 1125761A JP 12576189 A JP12576189 A JP 12576189A JP H02305128 A JPH02305128 A JP H02305128A
- Authority
- JP
- Japan
- Prior art keywords
- electric field
- zone
- base station
- radio base
- mobile equipment
- 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
- 230000005684 electric field Effects 0.000 claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004904 shortening Methods 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〕
本発明は自動車電話等の移動通信方式に関し、特に移動
機の電界監視方式に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a mobile communication system such as a car telephone, and more particularly to an electric field monitoring system for a mobile device.
一般に、小ゾーンエリア構成のサービスエリアの自動車
電話等の移動通信方式においては、移動機の電界レベル
を監視しながら通信の確保を行っている。従来、このよ
うな電界監視において、移動機の電界レベルが劣化した
ときに、移動機の存在する小ゾーンエリアの周辺の小ゾ
ーンエリア全ての無線基地局に対して電界監視要求を出
していた。Generally, in a mobile communication system such as a mobile phone with a service area configured in a small zone area, communication is secured while monitoring the electric field level of the mobile device. Conventionally, in such electric field monitoring, when the electric field level of a mobile device deteriorates, an electric field monitoring request is issued to all wireless base stations in small zone areas surrounding the small zone area where the mobile device is present.
上述した従来の電界監視方式は、移動機の電界劣化時に
周辺の小ゾーンエリアの全ての無線基地局に対して電界
監視要求を出しているため、この際の情報量が多（、か
つ処理時間がかかり、監視方式にかかる負担が大きくな
るという問題がある。The conventional electric field monitoring method described above issues an electric field monitoring request to all wireless base stations in the surrounding small zone area when the electric field of a mobile device deteriorates, so the amount of information at this time is large (and the processing time is low). There is a problem in that this increases the burden on the monitoring method.
本発明は監視要求に際しての情報量を低減しかつ処理時
間を短縮した電界監視方式を提供することを目的とする
。 。SUMMARY OF THE INVENTION An object of the present invention is to provide an electric field monitoring method that reduces the amount of information required for monitoring requests and shortens processing time. .
本発明の電界監視方式は、無線基地局にはそれ□ぞれの
小ゾーンエリアを複数の内部ゾーンに区画して移動機が
いずれの内部ゾーンに居るかを探索可能な指向性アンテ
ナを設けており、移動機の電界レベルの劣化時に、該移
動機が存在する内部ゾーンに隣接する小ゾーンエリアの
無線基地局に対してのみ電界監視要求を出すように構成
している。In the electric field monitoring system of the present invention, each wireless base station is equipped with a directional antenna that can divide each small zone area into a plurality of internal zones and search which internal zone a mobile device is in. When the electric field level of a mobile device deteriorates, the mobile device is configured to issue an electric field monitoring request only to the wireless base station in the small zone area adjacent to the internal zone where the mobile device is present.
この方式では、移動機に最も近い周辺の小ゾーンエリア
に対してのみ電界監視要求を出′すため、この監視要求
に際しての情報量を低減し、かつ処理時間を短縮する。In this method, an electric field monitoring request is issued only to a small peripheral zone area closest to the mobile device, thereby reducing the amount of information required for this monitoring request and shortening the processing time.
次に、本発明を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ゾーンエリアの構成図
である。図において、ａ、ｂ、ｃ、・・・は小ゾーンエ
リアであり、各小ゾーンエリアにはそれぞれ無線基地局
Ａ、Ｂ、Ｃ，・・・を配設している。FIG. 1 is a configuration diagram of a zone area showing an embodiment of the present invention. In the figure, a, b, c, . . . are small zone areas, and radio base stations A, B, C, . . . are arranged in each small zone area.
また、Ｍは自動車電話等の移動機である。Further, M is a mobile device such as a car phone.
ここで、前記各無線基地局Ａ、 Ｂ、 Ｃ，・・・はそ
れぞれ指向性アンテナを備えており、例えば無線基地局
Ａで例示するように、その指向性アンテナは小ゾーンエ
リアａ内を１〜６の内部ゾーンに区分けし、移動機Ｍが
いずれの内部ゾーンに居るかを探索することができる。Here, each of the radio base stations A, B, C, . -6 internal zones, and it is possible to search in which internal zone the mobile device M is located.
また、Ｘは無線基地局Ａ、Ｂ、Ｃ，・・・に共通の無線
回線制御装置である。Further, X is a radio line control device common to the radio base stations A, B, C, .
このようなゾーン構成において、台移動機Ｍが第１図に
示す場所に居て、電界レベルが劣化してきたら、無線基
地局Ａは指向性アンテナによって無線基地局Ａで構成す
る小ゾーンエリアａ内の内部ゾーン１〜６のいずれのゾ
ーンに居るか探索する。その結果、内部ゾーン６に移動
機Ｍが居ることが判ると、無線基地局Ａは無線回線制御
装置Ｘへその結果を知らせる。そして、無線回線制御装
置Ｘは、移動機Ｍの最も隣接する小ゾーンエリアｂ、
ｃの無線基地局Ｂ、 Ｃへ電界レベルの監視要求を出
す。In such a zone configuration, if the mobile station M is at the location shown in Figure 1 and the electric field level has deteriorated, the wireless base station A uses a directional antenna to locate the area within the small zone area a consisting of the wireless base station A. Find out which of the internal zones 1 to 6 you are in. As a result, when it is determined that the mobile station M is present in the internal zone 6, the radio base station A notifies the radio network controller X of the result. Then, the radio line controller
A request to monitor the electric field level is sent to wireless base stations B and C of c.
このため、この場合には、無線回線制御装置Ｘは小ゾー
ンエリアｂ、ｃの各無線基地局Ｂ、Ｃへのみ電界監視要
求を出せばよく、このための情報量は全ての無線基地局
に電界監視要求を出す場合に比較して格段に少なくでき
、処理時間も短縮させ、監視方式としての効率が改善で
きる。Therefore, in this case, the radio line control device Compared to issuing an electric field monitoring request, the number of requests can be significantly reduced, the processing time can be shortened, and the efficiency of the monitoring method can be improved.
以上説明したように本発明は、移動機が小ゾーンエリア
内のいずれの内部ゾーンに居るかを探索可能な指向性ア
ンテナを設け、移動機が存在する内部ゾーンに隣接する
小ゾーンエリアの無線基地局に対してのみ電界監視要求
を出すので、この監視要求に際しての情報量を低減し、
かつ処理時間を短縮し、電界監視方式の効率を向上する
ことができる効果がある。As explained above, the present invention provides a directional antenna capable of searching in which internal zone within a small zone area a mobile device is located, and a wireless base station in a small zone area adjacent to the internal zone where the mobile device is present. Since the electric field monitoring request is issued only to the station, the amount of information required for this monitoring request is reduced.
Moreover, the processing time can be shortened and the efficiency of the electric field monitoring method can be improved.
第１図は本発明の電界監視方式の構成を示す図である。
ａ、ｂ、ｃ・・・小ゾーンエリア、Ａ、Ｂ、Ｃ・・・無
線基地局、Ｍ・・・移動機、Ｘ・・・無線回線制御装置
、１〜６・・・内部ゾーン。
第１図
Ａ−Ｃ： 絆１ス←兎
ａ−Ｃ： ソ一ンエνア
Ｍ ：岐鮨熾。
１〜６“ 内４？ｙ−ンFIG. 1 is a diagram showing the configuration of the electric field monitoring system of the present invention. a, b, c...Small zone area, A, B, C...Radio base station, M...Mobile device, X...Radio line controller, 1-6...Internal zone. Figure 1 A-C: Kizuna 1st ← Rabbit a-C: Soichiinae νa M: Gisushi 熾. 1~6" 4?y-n
Claims (1)
で構成し、移動機の電界レベルが劣化したときに周辺の
小ゾーンに電界レベルの監視要求を行う電界監視方式に
おいて、前記無線基地局にはそれぞれの小ゾーンエリア
を複数の内部ゾーンに区画して移動機がいずれの内部ゾ
ーンに居るかを探索可能な指向性アンテナを設け、移動
機の電界レベルの劣化時に、該移動機が存在する内部ゾ
ーンに隣接する小ゾーンエリアの無線基地局に対しての
み電界監視要求を出すように構成したことを特徴とする
電界監視方式。1. In an electric field monitoring system that consists of a plurality of small zone areas each having a wireless base station, and requests the surrounding small zones to monitor the electric field level when the electric field level of a mobile device deteriorates, the wireless base station Each small zone area is divided into a plurality of internal zones, and a directional antenna is provided that can search in which internal zone the mobile device is located. An electric field monitoring method characterized in that an electric field monitoring request is issued only to wireless base stations in small zone areas adjacent to a zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1125761A JP2738014B2 (en) | 1989-05-19 | 1989-05-19 | Electric field monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1125761A JP2738014B2 (en) | 1989-05-19 | 1989-05-19 | Electric field monitoring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02305128A true JPH02305128A (en) | 1990-12-18 |
| JP2738014B2 JP2738014B2 (en) | 1998-04-08 |
Family
ID=14918169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1125761A Expired - Lifetime JP2738014B2 (en) | 1989-05-19 | 1989-05-19 | Electric field monitoring method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2738014B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06165249A (en) * | 1992-11-25 | 1994-06-10 | Tokyo Cosmos Electric Co Ltd | Position retrieving system and equipment therefor |
-
1989
- 1989-05-19 JP JP1125761A patent/JP2738014B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06165249A (en) * | 1992-11-25 | 1994-06-10 | Tokyo Cosmos Electric Co Ltd | Position retrieving system and equipment therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2738014B2 (en) | 1998-04-08 |
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