JPH06120876A - Position judgement device for mobile object - Google Patents
Position judgement device for mobile objectInfo
- Publication number
- JPH06120876A JPH06120876A JP4271275A JP27127592A JPH06120876A JP H06120876 A JPH06120876 A JP H06120876A JP 4271275 A JP4271275 A JP 4271275A JP 27127592 A JP27127592 A JP 27127592A JP H06120876 A JPH06120876 A JP H06120876A
- Authority
- JP
- Japan
- Prior art keywords
- directivity
- information
- radio
- base station
- radio base
- 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
Links
Landscapes
- Position Fixing By Use Of Radio Waves (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、無線通信による移動体
の位置判定装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a position determining device for a mobile unit by wireless communication.
【０００２】[0002]
【従来の技術】人や動物の位置管理を行うロケーション
システムや目的地への経路情報等を提示するナビゲーシ
ョンシステムを実現するためには、移動体の現在位置を
判定する手段が必要不可欠である。2. Description of the Related Art In order to realize a location system for managing the positions of people and animals and a navigation system for presenting route information to a destination, a means for judging the current position of a moving body is indispensable.
【０００３】従来、移動体の位置判定には無線通信によ
る方法が用いられており、その代表例として衛星を用い
たＧＰＳ（Global Positioning System：グローバル
ポジショニング システム)がある。ＧＰＳは、４個以
上の衛星から送信される電波を受信して、自己の位置を
測定するシステムである。Conventionally, a method using wireless communication has been used for determining the position of a moving body, and a typical example thereof is a GPS (Global Positioning System) using a satellite.
Positioning system). GPS is a system that receives radio waves transmitted from four or more satellites and measures its own position.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、ＧＰＳ
による位置判定には a) 屋内等衛星を直視できない場所で使用不可 b) アンテナを特定の方向に向ける手段が必要 c) 専用の受信装置が必要という問題点を有していた。However, the GPS
The position determination by a) has a problem that it cannot be used in places where the satellite cannot be viewed directly, such as indoors. B) A means for pointing the antenna in a specific direction is required. C) A dedicated receiver is required.
【０００５】本発明はかかる事情に鑑みてなされたもの
であり、屋内を含むあらゆる場所で使用可能であり、使
用者がアンテナの姿勢を厳密に考慮する必要がなく、か
つディジタル携帯電話等の他の無線端末に搭載すること
も可能な、移動体の位置判定装置を提供するものであ
る。The present invention has been made in view of the above circumstances, can be used in any place including indoors, does not require the user to strictly consider the attitude of the antenna, and can be used for other things such as digital mobile phones. The present invention provides a position determination device for a mobile body, which can be mounted on the wireless terminal.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するため
に、本発明は、無線通信装置と指向性のある電波を放射
する指向性アンテナとを備えた複数の無線基地局と、無
線通信装置と無指向性アンテナとを備えた移動局より構
成されることを特徴とする。In order to solve the above-mentioned problems, the present invention provides a plurality of radio base stations each having a radio communication device and a directional antenna for radiating a radio wave having a directivity, and a radio communication device. And a omnidirectional antenna.
【０００７】[0007]
【作用】各無線基地局には他の無線基地局に干渉しない
ように送信周波数及び送信タイミングが与えられてい
る。無線基地局は指向性を変化させながら、基地局識別
情報及び指向性情報を含むバースト信号を順次送信す
る。The radio base station is given a transmission frequency and a transmission timing so as not to interfere with other radio base stations. The radio base station sequentially transmits burst signals including base station identification information and directivity information while changing directivity.
【０００８】一方、移動局は複数の無線基地局から複数
の方向へ指向性を持って送信されたバースト信号を逐次
受信処理し、各バースト信号に含まれる基地局識別情
報、指向性情報及び各バースト信号の受信電界強度情報
を基に移動局の位置を判定する。On the other hand, the mobile station sequentially receives and processes the burst signals transmitted from a plurality of radio base stations in a plurality of directions with directivity, and the base station identification information, directivity information and each of the burst signals included in each burst signal. The position of the mobile station is determined based on the received electric field strength information of the burst signal.
【０００９】[0009]
【実施例】以下、本発明の一実施例について説明する。EXAMPLES An example of the present invention will be described below.
【００１０】図１は、本発明の移動体の位置判定装置の
一実施例のシステムの構成図であり、１０、１１、・・
・、１Ｍは無線基地局、２０は移動局である。FIG. 1 is a block diagram of a system of an embodiment of a position determining apparatus for a moving body according to the present invention.
-1M is a radio base station and 20 is a mobile station.
【００１１】無線基地局１０は、送信制御装置１０１、
指向性制御装置１０２、送信装置１０３より構成され
る。同様に、無線基地局１１、１２、・・・、１Ｍも送
信制御装置、指向性制御装置及び送信装置より構成され
る。The radio base station 10 includes a transmission control device 101,
The directivity control device 102 and the transmission device 103 are included. Similarly, the radio base stations 11, 12, ..., 1M are also composed of a transmission control device, a directivity control device, and a transmission device.
【００１２】移動局２０は、受信装置２０１、位置判定
装置２０２より構成される。以上のように構成された移
動体の位置判定装置について、以下その動作を説明す
る。The mobile station 20 comprises a receiving device 201 and a position determining device 202. The operation of the position determining apparatus for a moving body configured as above will be described below.
【００１３】無線基地局１０の送信制御装置１０１は、
自局に割り当てられた周波数・タイミングにおいて、バ
ースト信号１０５を送信装置１０３に出力し、送信を指
示する。バースト信号には、無線基地局の位置を示す識
別情報及び、どの方向に電波を放射したかを示す指向性
情報（１〜Ｋの値）が含まれる。送信制御装置１０１
は、図２に示すように、指向性情報を順番に変えながら
送信を行う。The transmission control device 101 of the radio base station 10 is
The burst signal 105 is output to the transmitting device 103 at the frequency and timing assigned to its own station, and an instruction for transmission is given. The burst signal includes identification information indicating the position of the wireless base station and directivity information (values 1 to K) indicating in which direction the radio wave is emitted. Transmission control device 101
Performs transmission while changing the directivity information in order, as shown in FIG.
【００１４】指向性制御装置１０２は、前記の指向性情
報１０４に従って送信装置１０３に対して指向性制御信
号１０６を出力する。The directivity control device 102 outputs a directivity control signal 106 to the transmission device 103 according to the directivity information 104.
【００１５】送信装置１０３は、図３に示すように水平
面をＫ分割したうち、任意の一方向（角度θi,i=1〜K）
に指向性のある電波を放射するアンテナを持っており、
指向性制御信号１０６に従って指向性を変化させる。The transmitting device 103 divides the horizontal plane into K as shown in FIG. 3, and selects one direction (angle θi, i = 1 to K).
Has an antenna that radiates a directional radio wave,
The directivity is changed according to the directivity control signal 106.
【００１６】他の無線基地局１１、１２、・・・、１Ｍ
も同様にアンテナの指向性を変えながら順次バースト信
号を送信する。Other radio base stations 11, 12, ..., 1M
Similarly, burst signals are sequentially transmitted while changing the directivity of the antenna.
【００１７】移動局２０の受信装置２０１は、所定の期
間中、連続してバースト信号を受信し、各バースト信号
に対して処理を行い、バースト信号に含まれる該当バー
ストを送信した無線基地局の識別情報２０３及び指向性
情報２０４を抽出して位置判定装置２０２へ出力する。
また、該当バースト信号の受信電界強度２０５を位置判
定装置２０２へ出力する。The receiving device 201 of the mobile station 20 receives burst signals continuously during a predetermined period, processes each burst signal, and transmits the corresponding burst included in the burst signal to the radio base station. The identification information 203 and the directivity information 204 are extracted and output to the position determination device 202.
Also, the received electric field strength 205 of the corresponding burst signal is output to the position determination device 202.
【００１８】位置判定装置２０２では、受信装置２０１
より入力される無線基地局の識別情報２０３、指向性情
報２０４及び受信電界強度２０５を基に自己の位置を判
定する。In the position determining device 202, the receiving device 201
The position of the wireless base station is determined based on the identification information 203, the directivity information 204, and the received electric field strength 205 input from the wireless base station.
【００１９】判定のアルゴリズムについては種々の方法
が可能であり、以下にその簡単な一例を述べる。 １）無線基地局の識別情報と指向性情報の対によってバ
ースト信号を分類し、受信電界強度の所定期間中の平均
値を求める。Various methods can be used for the determination algorithm, and a simple example will be described below. 1) A burst signal is classified by a pair of identification information and directivity information of a wireless base station, and an average value of received electric field strengths during a predetermined period is obtained.
【００２０】すなわち、各無線基地局毎に各送信方向毎
のバースト信号の電波の強さの平均値を求める。 ２）各無線基地局毎に送信方向毎のバーストの平均値を
比較して最大のものを選ぶ。つまり各無線基地局からみ
た移動局の方向を選ぶ。 ３）２）で各無線基地局毎に１つずつ選んだバースト信
号の内、平均値の大きいものから順に２つを選び、その
識別情報から２つの無線基地局の位置座標（ｘA，
ｙA）、（ｘB，ｙB）を得る。この座標値は無線基地局
毎に固有の値である。That is, the average value of the radio wave intensity of the burst signal for each transmission direction is calculated for each radio base station. 2) The maximum value is selected by comparing the average values of the bursts for each transmission direction for each radio base station. That is, the direction of the mobile station viewed from each radio base station is selected. 3) Of the burst signals selected one by one for each radio base station in 2), two are selected in descending order of average value, and the position coordinates (x A , 2) of the two radio base stations are selected from the identification information.
y A ), (x B , y B ). This coordinate value is a value unique to each radio base station.
【００２１】また、指向性情報から、２つの送信角度θ
A、θBを得る（但しθA、θBはθ1〜θKのいずれかであ
る。図３参照）。 ４）移動局の位置座標（ｘ，ｙ）を以下の式により計算
する（図４参照）。 ｘ＝（ｘAsinθAcosθB−ｘBcosθAsinθB ＋（ｙB−ｙA）cosθAcosθB）／Δ ｙ＝（（ｘA−ｘB）sinθAsinθB −ｙAcosθAsinθB＋ｙBsinθAcosθB）／Δ Δ＝sinθAcosθB−cosθAsinθB From the directivity information, two transmission angles θ
A and θ B are obtained (where θ A and θ B are any of θ 1 to θ K. See FIG. 3). 4) The position coordinates (x, y) of the mobile station are calculated by the following formula (see FIG. 4). x = (x A sin θ A cos θ B −x B cos θ A sin θ B + (y B −y A ) cos θ A cos θ B ) / Δ y = ((x A −x B ) sin θ A sin θ B −y A cos θ A sin θ B + y B sin θ A cos θ B ) / Δ Δ = sin θ A cos θ B −cos θ A sin θ B
【００２２】[0022]
【発明の効果】以上説明したように、本発明の移動体の
位置判定装置は、複数の無線基地局から順次指向性を変
えて送信されるバースト信号を移動局において所定の期
間中受信し、受信したバースト信号を処理して得られる
無線基地局の識別情報、送信指向性情報及び受信電界強
度を基に自己の位置を判定することができる。As described above, the position determining apparatus for a mobile unit according to the present invention receives burst signals transmitted from a plurality of radio base stations with sequentially changed directivities in a mobile station for a predetermined period, It is possible to determine its own position based on the identification information of the radio base station, the transmission directivity information, and the reception electric field strength obtained by processing the received burst signal.
【００２３】従って、屋内を含むあらゆる場所で使用可
能であり、ＧＰＳのように使用者がアンテナの姿勢を厳
密に考慮する必要がなく、かつディジタル携帯電話等の
他の既存のシステムの無線端末に搭載することも可能で
あるという効果がある。Therefore, it can be used in all places including indoors, and it is not necessary for the user to strictly consider the attitude of the antenna like GPS, and the wireless terminal of other existing systems such as a digital mobile phone can be used. It has the effect that it can be installed.
【図１】本発明に係わる装置の実施例のシステム構成図FIG. 1 is a system configuration diagram of an embodiment of an apparatus according to the present invention.
【図２】バースト信号の送信タイミング図FIG. 2 is a transmission timing diagram of a burst signal
【図３】アンテナの指向性の概念図FIG. 3 is a conceptual diagram of antenna directivity.
【図４】位置判定アルゴリズムの概念図FIG. 4 is a conceptual diagram of a position determination algorithm.
１０〜１Ｍ 無線基地局 １０１ 送信制御装置 １０２ 指向性制御装置 １０３ 送信装置 １０４ 指向性情報 １０５ バースト信号 １０６ 指向性制御信号 ２０ 移動局 ２０１ 受信装置 ２０２ 位置判定装置 ２０３ 識別情報 ２０４ 指向性情報 ２０５ 受信電界強度 10-1M Radio base station 101 Transmission control device 102 Directivity control device 103 Transmission device 104 Directivity information 105 Burst signal 106 Directivity control signal 20 Mobile station 201 Reception device 202 Position determination device 203 Identification information 204 Directivity information 205 Reception electric field Strength
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.5 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｇ０１Ｓ 11/02 (72)発明者 近江 愼一郎 大阪府門真市大字門真1006番地 松下電器 産業株式会社内─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 5 Identification number Internal reference number FI Technology display location G01S 11/02 (72) Inventor Shinichiro Omi 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.
Claims (1)
る指向性アンテナとを備えた複数の無線基地局と、無線
通信装置と無指向性アンテナとを備えた移動局より構成
されるシステムにおいて、 前記無線基地局は指向性を変化させながら、基地局識別
情報及び指向性情報を含むバースト信号を、それぞれ他
の無線基地局に干渉しないように順次送信し、前記移動
局は前記バースト信号を逐次受信処理し、前記基地局識
別情報、前記指向性情報及び前記バースト信号の受信電
界強度情報を基に前記移動局の位置を判定することを特
徴とする移動体の位置判定装置。1. A system comprising a plurality of radio base stations each having a radio communication device and a directional antenna for radiating radio waves having directivity, and a mobile station having a radio communication device and an omnidirectional antenna. In the, while changing the directivity, the radio base station sequentially transmits burst signals including base station identification information and directivity information so as not to interfere with other radio base stations, and the mobile station transmits the burst signal. Is sequentially received, and the position of the mobile station is determined based on the base station identification information, the directivity information, and the received electric field strength information of the burst signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4271275A JPH06120876A (en) | 1992-10-09 | 1992-10-09 | Position judgement device for mobile object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4271275A JPH06120876A (en) | 1992-10-09 | 1992-10-09 | Position judgement device for mobile object |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06120876A true JPH06120876A (en) | 1994-04-28 |
Family
ID=17497814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4271275A Pending JPH06120876A (en) | 1992-10-09 | 1992-10-09 | Position judgement device for mobile object |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06120876A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002507106A (en) * | 1998-03-10 | 2002-03-05 | エリクソン インコーポレイテッド | Location Determination Method for Mobile Phones Using Short Repeated Bursts |
| US7589669B2 (en) | 2005-06-20 | 2009-09-15 | Seiko Epson Corporation | Positioning system, terminal apparatus, terminal apparatus control method, terminal apparatus control program, and computer readable recording medium having the terminal apparatus control program recorded therein |
| JP2018040765A (en) * | 2016-09-09 | 2018-03-15 | 株式会社ダイヘン | Position finding system, and mobile station |
| JP2018044785A (en) * | 2016-09-12 | 2018-03-22 | 株式会社ダイヘン | Positioning system and mobile station |
| JP2019007856A (en) * | 2017-06-26 | 2019-01-17 | 株式会社ダイヘン | Positioning system |
| JP2019007857A (en) * | 2017-06-26 | 2019-01-17 | 株式会社ダイヘン | Positioning system, mobile station, program, and method for computing position of mobile station |
-
1992
- 1992-10-09 JP JP4271275A patent/JPH06120876A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002507106A (en) * | 1998-03-10 | 2002-03-05 | エリクソン インコーポレイテッド | Location Determination Method for Mobile Phones Using Short Repeated Bursts |
| US7589669B2 (en) | 2005-06-20 | 2009-09-15 | Seiko Epson Corporation | Positioning system, terminal apparatus, terminal apparatus control method, terminal apparatus control program, and computer readable recording medium having the terminal apparatus control program recorded therein |
| JP2018040765A (en) * | 2016-09-09 | 2018-03-15 | 株式会社ダイヘン | Position finding system, and mobile station |
| JP2018044785A (en) * | 2016-09-12 | 2018-03-22 | 株式会社ダイヘン | Positioning system and mobile station |
| JP2019007856A (en) * | 2017-06-26 | 2019-01-17 | 株式会社ダイヘン | Positioning system |
| JP2019007857A (en) * | 2017-06-26 | 2019-01-17 | 株式会社ダイヘン | Positioning system, mobile station, program, and method for computing position of mobile station |
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