JPS60129A - Position detector - Google Patents

Position detector

Info

Publication number
JPS60129A
JPS60129A JP58108631A JP10863183A JPS60129A JP S60129 A JPS60129 A JP S60129A JP 58108631 A JP58108631 A JP 58108631A JP 10863183 A JP10863183 A JP 10863183A JP S60129 A JPS60129 A JP S60129A
Authority
JP
Japan
Prior art keywords
signal
circuit
area
station
mobile station
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.)
Pending
Application number
JP58108631A
Other languages
Japanese (ja)
Inventor
Hiroshi Takegaki
竹垣 弘
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP58108631A priority Critical patent/JPS60129A/en
Publication of JPS60129A publication Critical patent/JPS60129A/en
Pending legal-status Critical Current

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  • Traffic Control Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

PURPOSE:To subdivide the position of a mobile station without increasing the number of sign posts by detecting the reception field level of an area signal and informing the detection level together with the reception area signal and the identification signal. CONSTITUTION:The area signal, the mobile station identification signal and the field identification signal which are transmitted to a base station 11 from a mobile station 4 are received by an antenna 12 and a receiver 13 of the station 11 and then delivered to a display processing circuit 14. The field identification signal supplied to the circuit 14 is applied to a distance dividing circuit 22. The circuit 22 delivers the information on a short or long distance to the circuit 14. The circuit 14 identifies and displays the station 4 of a short or long distance from a signpost 1 selectively or with division based on the distance information of the circuit 22. Thus it is possible to subdivide and discriminate the position of the station 4 even in the area of the same post 1.

Description

【発明の詳細な説明】 この発明は、各エリア(ゾーンまたは地域)毎に設置さ
れたサインポストより送信されるエリア信号を受信し、
そのエリア信号に自局例えば自動車等の移動局の識別信
号を付加して基地局に送信報知することにより、移動局
の所在を検出する位置検出装置に関するものである。
[Detailed Description of the Invention] This invention receives area signals transmitted from sign posts installed in each area (zone or region),
The present invention relates to a position detecting device that detects the location of a mobile station by adding an identification signal of its own mobile station, such as a car, to the area signal and transmitting and informing the base station.

第1図はこの種分散送信方式を用いた従来の位ア因に、
f:のエリア信号(位置信号)を送信するツーインポス
ト(位置標定局)で、このサインポスト(1)li送信
機(2)およびサインポストアンテナ(3)により構成
されている。(4)はこのサインポスト(1)から送信
されるエリア信号を受信し、その受信エリア信号に自局
置台の識別信号を付加して送信する移u1局であり、こ
の移動局(4)は償アンテナ(5)、受信機(6)、復
調器(7)、識別信号付加回路(連絡回線信号法出回W
J)(8L送信機(9)および送信アンテナ(lO)に
より構成されている。(11)は移動局(4)より送信
されるエリア信号および識別信号を受信し、各移動体の
所在を検出、表示(モニタ)する基地局で、この基地局
(11)はアンテナ(12)、受信機(13)および処
理表示回路(14)にょシ構成されている。
Figure 1 shows the conventional disadvantages using this kind of distributed transmission system.
This is a two-in-post (position location station) that transmits an area signal (position signal) of f:, and is composed of a sign post (1), a li transmitter (2), and a sign post antenna (3). (4) is a mobile u1 station that receives an area signal transmitted from this sign post (1), adds an identification signal of its own station to the reception area signal, and transmits it.This mobile station (4) compensation antenna (5), receiver (6), demodulator (7), identification signal addition circuit (connection line signal method output W
J) (It is composed of an 8L transmitter (9) and a transmitting antenna (lO). (11) receives the area signal and identification signal transmitted from the mobile station (4) and detects the location of each mobile object. This base station (11) is configured with an antenna (12), a receiver (13), and a processing display circuit (14).

このような構成において、サインボス) (1)からは
常時そのエリアおよび位置を表すエリア信Jij[フレ
ーム同期信号、エリア名(地域名)信号、サインポスト
位置(X%Y)信号〕が副搬送波FSK方式により送信
機(2)で変調され、サインポストアンテナ(3)より
送信されているものとする。
In such a configuration, the area signal Jij [frame synchronization signal, area name (region name) signal, sign post position (X%Y) signal] that always represents the area and position from the sign boss) (1) is transmitted as a subcarrier FSK. It is assumed that the signal is modulated by the transmitter (2) according to the method and transmitted from the sign post antenna (3).

いま、このサインポスト(1)のエリア内を走行中ある
いは他エリアから乗り入れた移動局(4)は、そのエリ
ア信号を受信アンテナ(5)を介して受信機(6)で受
信し復調器(7)に出力する。この復調器(7)で復調
されたエリア信号は識別信号付加回路(8)にて識別信
号が付加され、送信機(9)、送信アンテナ(1o)を
介して基地局(11)に変調送信される。この移動局(
4)より基地局(11)に送出されたエリア信号および
識別信号は、その基地局アンテナ(12)を介して受信
機(13)で受信され、処理表示回路(14)に入力さ
れる。この処理表示回路(14)は受信入力されたエリ
ア信号および識別信号より移動局(4)の所在位@(エ
リア名)および移動局(4)固有の番号あるいは名称を
表示出力する。これにより各移動局の所在位置が基地局
(11)にて判別できるようになっている。
A mobile station (4) that is currently traveling within the area of this sign post (1) or that has entered from another area receives the area signal via the receiving antenna (5) with the receiver (6) and sends it to the demodulator ( 7). The area signal demodulated by the demodulator (7) is added with an identification signal by the identification signal addition circuit (8), and modulated and transmitted to the base station (11) via the transmitter (9) and the transmission antenna (1o). be done. This mobile station (
4) The area signal and identification signal sent to the base station (11) are received by the receiver (13) via the base station antenna (12) and input to the processing display circuit (14). This processing display circuit (14) displays and outputs the location @ (area name) of the mobile station (4) and the unique number or name of the mobile station (4) from the received area signal and identification signal. This allows the base station (11) to determine the location of each mobile station.

従来の位置検出装置は以上のように構成されているので
、移動局が位置するエリアは判別できても、そのエリア
内のどの位置すなわちサインポストからどれ程離れた位
置にいるのが判別不能であり、例えば基地局より同一エ
リア内にいる移動局をサインポストからの距離に応じて
選択的に呼出す6盟が生じた場合、七の選択呼出ができ
ないと云う欠点があった。
Conventional position detection devices are configured as described above, so even if it is possible to determine the area in which a mobile station is located, it is impossible to determine where within that area it is, or how far it is from the sign post. For example, when a base station selectively calls mobile stations in the same area according to their distance from a sign post, there is a drawback that selective calling cannot be performed.

この発uJJは上記のような従来のものの欠点を除去す
るためになされたもので、移動局にでサインポストから
のエリア信号を受信すると具にその受信電界レベルを検
出し、この電界レベル分”?−インポストからの距離情
報として基地局に選出することにより、移動局のエリア
内の位置が判別できる位置検出装置を提供することを目
的としている以下この発明の一実施例を図について説明
する。
This UJJ was developed in order to eliminate the drawbacks of the conventional ones as described above.When a mobile station receives an area signal from a sign post, it detects the received electric field level and detects the received electric field level. ?-The object of the present invention is to provide a position detecting device that can determine the position of a mobile station within its area by selecting the base station as distance information from an inpost.An embodiment of the present invention will be described below with reference to the drawings. .

第2図に於て符号(1)〜(14)は従来の第1図のも
のに相当するものである。(21)は受信機(6)の受
信出力レベルよりその受信電界レベルを検出すると共に
その電界レベルに応じて複数レベル(例えば2レベル)
に区分化し、その電界区分信号(電界識別信号)を識別
信号付加回路(8)に出力する電界識別回路、(22)
は受信機(13)、表示処理回路(14)を介して移動
局(4)よ多入力される電界識別信号の識別レベルに応
じて、サインポスト(1)と移動局(4)間の距離情報
を表示処理回路(14)に出力する距離区分回路である
In FIG. 2, symbols (1) to (14) correspond to the conventional ones in FIG. (21) detects the received electric field level from the received output level of the receiver (6) and has multiple levels (for example, 2 levels) depending on the electric field level.
an electric field identification circuit (22) that divides the electric field into sections and outputs the electric field classification signal (electric field identification signal) to the identification signal addition circuit (8);
is the distance between the sign post (1) and the mobile station (4), depending on the identification level of the electric field identification signal input to the mobile station (4) via the receiver (13) and the display processing circuit (14). This is a distance classification circuit that outputs information to the display processing circuit (14).

次にこの発明の動作について説明する。Next, the operation of this invention will be explained.

第2図において、従来の場合と同様に当該エリアを走行
中あるいは乗入れた移動局(4)は、そのサインボス)
 (1)からの送信信号(エリア信号)を受信アンテナ
(5)、受信機(6)を介して受信する。この受信機(
6)の受信出力は、復調器(7)に入力されて復調され
ると共に電界識別回路(21)に入力され、電界識別回
路(21)はその入力レベルすなわち受信電界レベルに
応じて強電界/弱電界の2段階にレベル区分し、その電
界識別信号を識別信号付加回路(8)に出力する。
In Figure 2, as in the conventional case, the mobile station (4) that is traveling or has entered the area is its sign boss).
A transmission signal (area signal) from (1) is received via a receiving antenna (5) and a receiver (6). This receiver (
The received output of 6) is input to the demodulator (7) to be demodulated and is also input to the electric field identification circuit (21), and the electric field identification circuit (21) detects the strong electric field/ The electric field is classified into two levels of weak electric field, and the electric field identification signal is output to the identification signal addition circuit (8).

この識別信号付加回路(8)は、復調器(7)より出力
される復調エリア信号および電界識別回路(21)より
出力さhる電界識別信号に、自局(移動局(4))固有
の識別信号を付加して送信機(9)に出力し、これら信
りが送4?iアンテナ(10)を介して基地局(11)
に送イdさtl、る。
This identification signal adding circuit (8) adds a unique characteristic of the own station (mobile station (4)) to the demodulated area signal output from the demodulator (7) and the electric field identification signal output from the electric field identification circuit (21). An identification signal is added and output to the transmitter (9), and these signals are transmitted 4? Base station (11) via i-antenna (10)
I will send it to you.

この移動局(4)より基地局(11)に送信されたエリ
ア信号、移動局識別信号および電界識別信号は、基地局
アンテナ(12)、’受信機(13)で受信され、表示
処理回路(14)に受信出力される。ここで、この表示
処理回路(14)に入力された電界識別信号は距離区分
回路(22)に入力され、距離区分回路(22) I/
′iその電界識別(ftりの識別レベルに応じて近距I
I/遠距離いずhかの距離情報を表示処理回II (1
,4)に出力する。
The area signal, mobile station identification signal, and electric field identification signal transmitted from the mobile station (4) to the base station (11) are received by the base station antenna (12) and receiver (13), and are received by the display processing circuit ( 14) is received and output. Here, the electric field identification signal input to the display processing circuit (14) is input to the distance classification circuit (22), and the distance classification circuit (22) I/
'iThe electric field discrimination (short distance I depending on the discrimination level of ft)
I/displaying distance information for long distances II (1
, 4).

この表示処理回路(14)は、この距離区分回路(22
)からの距離情報にもとづき、サインボス) (1)か
ら近距離/遠距離の移動局(4)を選択的あるいは区分
化して識別表示する。これにより、同一サインボス) 
(1)のエリア内であっても移動局(1)の所在位置を
細分化して判別することができる。
This display processing circuit (14) is connected to this distance classification circuit (22).
Based on the distance information from the sign boss (1), the mobile stations (4) at short distances/long distances from (1) are selectively or segmented and identified and displayed. This allows the same sign boss)
Even within the area (1), the location of the mobile station (1) can be subdivided and determined.

なお、上記実施例では移動局の受信電界レベルを強電界
/弱電界レベルの2段階に識別するようにしたが、必要
に応じて受信電界レベルを更に多す 段階に識別するように=れば、距離情報の細分化が図れ
ることは云うまでもない。
In the above embodiment, the received electric field level of the mobile station is classified into two levels, strong electric field level and weak electric field level, but if necessary, the received electric field level may be classified into more stages. , it goes without saying that the distance information can be subdivided.

また、上記実施例では移動局(4)の受信機(6)出力
レベルを電界識別に用いたが、受信機(6)がAGC(
自動利得制御つ付きのものであればそのAGC電圧を用
いても同様の効果を奏する。
Further, in the above embodiment, the output level of the receiver (6) of the mobile station (4) was used for electric field identification, but the receiver (6)
If the AGC voltage has automatic gain control, the same effect can be achieved even if the AGC voltage is used.

以上のように、この発明によれば移動局における受信電
界レベルを用いて同一サインポスト内の距離区分を行う
ようKしたので、サインポストの数を増すことなく移動
局の所在位置が細分化できまた、選択呼出等運用しやす
いものが得られる効果がある。
As described above, according to the present invention, distances within the same sign post are classified using the received electric field level at the mobile station, so the location of the mobile station can be subdivided without increasing the number of sign posts. In addition, there is an effect that operations such as selective calling can be easily performed.

【図面の簡単な説明】[Brief explanation of drawings]

vJ1図は従来の所在位置検出装置の構成を示す図、第
2図は不発IJ1における所在位置検出装置の構成を示
す図である。 図中、(1)はサインポスト、(4)は移動局、 (1
1)は基地局、(21)は電界識別回路、(22)は距
離区分回路である。 なお、図中、同一符号は同一、又は相当部分を示す。 代理人大岩 増雄
Figure vJ1 is a diagram showing the configuration of a conventional location detection device, and FIG. 2 is a diagram showing the configuration of the location detection device in unexploded IJ1. In the figure, (1) is a sign post, (4) is a mobile station, (1
1) is a base station, (21) is an electric field identification circuit, and (22) is a distance classification circuit. In addition, in the figures, the same reference numerals indicate the same or equivalent parts. Agent Masuo Oiwa

Claims (2)

【特許請求の範囲】[Claims] (1)各エリア(地域)毎に設置されたサインポストよ
り送信されるエリア(位置)信号を受信し、この受信エ
リア信号に自局(移動体)の識別信号を付加して基地局
に送信することにより、自局の位置を検出、報知する移
動体の位置検出装置において、 上記エリア信号の受信電界レベルを検出し、この検出レ
ベルを上記受信エリア信号および上記識別信号と共に送
信報知することを特徴とする位置検出装置。
(1) Receive the area (position) signal transmitted from the sign post installed in each area (region), add the identification signal of your own station (mobile object) to this reception area signal, and send it to the base station. By doing so, the position detection device of a mobile body that detects and reports the position of its own station detects the received electric field level of the area signal, and transmits and reports this detection level together with the reception area signal and the identification signal. Characteristic position detection device.
(2)検出された受信電界レベルを複数レベルに区分識
別し、その識別信号を送信報知することを特徴とする特
許請求の範囲%1項記載の位置検出装置。
(2) The position detecting device according to claim 1, wherein the detected received electric field level is classified into a plurality of levels and the identified signal is transmitted and reported.
JP58108631A 1983-06-15 1983-06-15 Position detector Pending JPS60129A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58108631A JPS60129A (en) 1983-06-15 1983-06-15 Position detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58108631A JPS60129A (en) 1983-06-15 1983-06-15 Position detector

Publications (1)

Publication Number Publication Date
JPS60129A true JPS60129A (en) 1985-01-05

Family

ID=14489688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58108631A Pending JPS60129A (en) 1983-06-15 1983-06-15 Position detector

Country Status (1)

Country Link
JP (1) JPS60129A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6226942A (en) * 1985-07-29 1987-02-04 Oki Electric Ind Co Ltd Locating method for mobile body by transponding card
JPS6238040A (en) * 1985-08-13 1987-02-19 Oki Electric Ind Co Ltd Method for detecting position by transponding card

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513594A (en) * 1974-06-27 1976-01-13 Mitsubishi Electric Corp

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513594A (en) * 1974-06-27 1976-01-13 Mitsubishi Electric Corp

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6226942A (en) * 1985-07-29 1987-02-04 Oki Electric Ind Co Ltd Locating method for mobile body by transponding card
JPH0535934B2 (en) * 1985-07-29 1993-05-27 Oki Denki Kogyo Kk
JPS6238040A (en) * 1985-08-13 1987-02-19 Oki Electric Ind Co Ltd Method for detecting position by transponding card
JPH0535935B2 (en) * 1985-08-13 1993-05-27 Oki Denki Kogyo Kk

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