JPH06334595A - Communication system - Google Patents
Communication systemInfo
- Publication number
- JPH06334595A JPH06334595A JP5118115A JP11811593A JPH06334595A JP H06334595 A JPH06334595 A JP H06334595A JP 5118115 A JP5118115 A JP 5118115A JP 11811593 A JP11811593 A JP 11811593A JP H06334595 A JPH06334595 A JP H06334595A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- code
- position information
- base 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.)
- Pending
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、複数の中間局と複数の
移動無線端末とからなる通信システムにおける端末位置
通知に関し、特に特定端末の過去の移動軌跡と将来の予
想位置の提供、および特定端末群のグループ単位での位
置情報通知に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal position notification in a communication system composed of a plurality of intermediate stations and a plurality of mobile radio terminals, and more particularly to providing a past movement locus and a future predicted position of a particular terminal, The present invention relates to location information notification of a group of terminals.
【０００２】[0002]
【従来の技術】従来の移動無線端末位置検索の方式を図
６および図７に示す。2. Description of the Related Art A conventional mobile radio terminal location search system is shown in FIGS.
【０００３】図６において移動無線端末にはそれぞれに
個別の識別符号（以下ＩＤコードという）が付与されて
おり、予め基地局13に登録されている。移動無線端末12
の位置を検索する場合、基地局13が移動無線端末固有の
ＩＤコードを含む信号を中間局14を介して送信する。移
動無線端末12は自己の固有のＩＤコードを含む信号を受
信したときに応答信号を送信する。中間局14はこの移動
無線端末12からの応答信号を受信してこれを基地局13に
固定伝送路を介して伝送し、基地局13はこの中間局14か
ら伝送された移動無線端末12からの応答信号に基づいて
移動無線端末12の位置を検索するものであった。そのた
め特定の端末の移動軌跡を求めたり移動軌跡を基に将来
の位置を予想したりする場合、基地局13が一定時間毎に
送受信双方を行い受信結果を記憶装置16に記憶する処理
が必要であった。In FIG. 6, each mobile radio terminal is provided with an individual identification code (hereinafter referred to as an ID code) and is registered in the base station 13 in advance. Mobile wireless terminal 12
When searching for the position of, the base station 13 transmits a signal including an ID code unique to the mobile radio terminal via the intermediate station 14. The mobile wireless terminal 12 transmits a response signal when it receives a signal containing its own unique ID code. The intermediate station 14 receives the response signal from the mobile radio terminal 12 and transmits it to the base station 13 via a fixed transmission line, and the base station 13 sends the response signal from the mobile radio terminal 12 transmitted from the intermediate station 14. The position of the mobile wireless terminal 12 is searched based on the response signal. Therefore, when obtaining the movement trajectory of a specific terminal or predicting the future position based on the movement trajectory, it is necessary for the base station 13 to perform transmission / reception at regular intervals and store the reception result in the storage device 16. there were.
【０００４】図７においては、中間局ごとに個別に割り
当てられたＩＤコードの位置情報を含む信号を中間局24
が発信し、移動無線端末22は中間局24の近傍を通過する
ときこの位置情報を含む信号を受信し、その位置情報を
移動無線端末22内の記憶装置26で順次記憶する。位置検
索要求が発生すると、基地局23から移動無線端末22に対
してその端末固有のＩＤコードを含む呼出信号が送信さ
れ、端末がこの呼出信号を受信し自己のＩＤコードと一
致することを検出したときに記憶していた位置情報を送
信するものであった。特定移動無線端末の移動軌跡や移
動軌跡を基にした将来位置の予想は、端末側に順次記憶
されたこの位置情報により行っていた(公開特許公報
平２−２１４３４２ 「位置検索方式」）。In FIG. 7, a signal containing the position information of the ID code individually assigned to each intermediate station is transmitted to the intermediate station 24.
The mobile wireless terminal 22 receives a signal including this position information when passing near the intermediate station 24, and the position information is sequentially stored in the storage device 26 in the mobile wireless terminal 22. When a position search request is generated, a calling signal including an ID code unique to the terminal is transmitted from the base station 23 to the mobile radio terminal 22, and the terminal receives this calling signal and detects that the terminal code matches the own ID code. The location information that was stored at the time of sending was sent. The movement locus of the specific mobile radio terminal and the prediction of the future position based on the movement locus are performed based on this position information sequentially stored on the terminal side (Japanese Patent Laid-Open Publication No.
Flat 2-214342 "position search method").
【０００５】[0005]
【発明が解決しようとする課題】上記のような従来の方
式では、基地局あるいは中間局が、端末固有のＩＤコー
ドを含む信号または中間局個別に割り当てられたＩＤコ
ードの位置情報を含む信号を一定時間毎に絶えず送信し
なければならず、移動無線端末位置を検索するためには
初めに送信を行いその応答を受信する二つの処理が必要
となり、移動無線端末から自発的に送られてくる位置情
報を含む信号を受信する方式に比べて非効率的である。In the conventional system as described above, the base station or the intermediate station transmits a signal containing the ID code unique to the terminal or a signal containing the position information of the ID code assigned to each intermediate station. It must be transmitted constantly at regular intervals, and in order to search the position of the mobile wireless terminal, two processes are required to first transmit and receive the response, and the mobile wireless terminal voluntarily sends the processing. It is inefficient compared to the method of receiving a signal including position information.
【０００６】また基地局から端末固有のＩＤコードを含
む信号を送信する方式では、本来不要である電源切断中
の端末向けの送信をも行ってしまうため、それに変わる
効率的な方式が求められていた。In addition, in the method of transmitting a signal including an ID code unique to a terminal from a base station, transmission to a terminal in a power-off state, which is originally unnecessary, is also performed. Therefore, an efficient method that changes to that is required. It was
【０００７】１台の移動無線端末を複数のグループに所
属させるグループ呼出し方式はあったが、位置情報取得
にまで適用範囲を拡げたものはなかったため、グループ
単位での位置情報取得ができる機能が求められていた。Although there was a group calling method in which one mobile radio terminal belongs to a plurality of groups, there was no one that expanded the range of application to the acquisition of position information. It was wanted.
【０００８】[0008]
【課題を解決するための手段】本発明は、基地局装置の
エリア内に複数の中間局が配置され、複数基地局を統括
する統制局が設置され、基地局装置は移動する移動体が
携帯しまたは移動体に取付けられた移動端末からの無線
信号を上記中間局装置を介して受信し上記移動無線端末
の位置を検索する位置検索方式において、上記移動無線
端末装置は、上記基地局装置から送信された移動端末ご
とに個別に割り当てられたＩＤコードまたはグループ単
位に割り当てられたＩＤコードを含む呼出信号を受信す
る受信手段と、この受信手段で受信した呼出信号から自
己のＩＤコードまたは自己が属するグループのＩＤコー
ドを検出する符号検出手段と、この符号検出手段で自己
のＩＤコードまたは自己が属するグループのＩＤコード
を検出したとき上記中間局に対して自己のＩＤコードを
含む信号を送信する送信手段と、自己に対するＩＤコー
ドまたは自己が属するグループのＩＤコード検出の有無
にかかわらず一定時間毎に上記送信手段を起動させる時
間計測手段と、自己が属するグループのＩＤコードを追
加および削除が可能な記憶手段を備え、上記基地局装置
は、統制局からの指令により上記移動端末に対して移動
端末ごとに割り当てられたＩＤコードまたはグループ単
位に割り当てられたＩＤコードを含む呼出信号を中間局
装置を介して送信する送信手段と、呼出しを行った上記
移動端末から送信されたＩＤコードを含む応答信号およ
び一定時間毎に各移動端末から送信されるＩＤコードを
含む信号を上記中間局を介して受信する受信手段と、同
一移動端末からのＩＤコードを含む信号の複数中間局間
での強度差より当該端末の位置を演算し特定する第１演
算手段を備え、上記統制局は、上記基地局の有する上記
第１演算手段により算出された位置情報を移動端末ごと
に一定時間毎記憶する記憶手段と、現時刻までの移動軌
跡を基に将来の当該端末の位置を予測する第２演算手段
を備えたことを特徴とする。According to the present invention, a plurality of intermediate stations are arranged in an area of a base station apparatus, a control station for controlling a plurality of base stations is installed, and a base station apparatus is a mobile unit that is mobile. In the position search method of receiving a radio signal from a mobile terminal attached to a mobile body via the intermediate station device and searching the position of the mobile radio terminal, the mobile radio terminal device is configured to transmit from the base station device. Receiving means for receiving a calling signal including an ID code individually assigned to each transmitted mobile terminal or an ID code assigned in a group unit, and its own ID code or self from the calling signal received by this receiving means. Code detection means for detecting the ID code of the group to which it belongs, and when the code detection means detects its own ID code or the ID code of the group to which it belongs Transmitting means for transmitting a signal including its own ID code to the intermediate station, and time measuring means for activating the transmitting means at regular intervals regardless of whether the ID code for itself or the ID code of the group to which it belongs is detected. And a storage unit capable of adding and deleting an ID code of a group to which the base station device belongs, the base station apparatus assigning an ID code or a group assigned to each mobile terminal to the mobile terminal according to a command from the control station. Transmitting means for transmitting a calling signal including an ID code assigned to each unit through the intermediate station device, a response signal including an ID code transmitted from the mobile terminal that has called, and each mobile terminal from the mobile terminal at regular intervals. The receiving means for receiving the signal including the ID code to be transmitted via the intermediate station, and the ID code from the same mobile terminal The first control means for calculating and specifying the position of the terminal based on the intensity difference between the plurality of intermediate stations of the mobile station, the control station moves the position information calculated by the first calculation means of the base station. It is characterized by comprising storage means for storing a fixed time period for each terminal, and second calculation means for predicting a future position of the terminal based on the movement trajectory up to the present time.
【０００９】[0009]
【作用】基地局装置は統制局からの指令により移動無線
端末に対し、その端末固有のもしくはその端末が属する
グループ固有のＩＤコードを含む位置検索信号を中間局
装置を介して送信する。移動無線端末がこの呼出信号を
受信し、自己のもしくは自己が属するグループのＩＤコ
ードと一致することを検出したときは、自己のＩＤコー
ドを含む応答信号を送信する。In response to a command from the control station, the base station device transmits to the mobile radio terminal a position search signal containing an ID code peculiar to the terminal or a group to which the terminal belongs via the intermediate station device. When the mobile radio terminal receives this calling signal and detects that it matches the ID code of its own or the group to which it belongs, it transmits a response signal containing its own ID code.
【００１０】また移動無線端末は自己および自己の属す
るグループに対するＩＤコード検出の有無にかかわらず
に、一定時間毎に自己のＩＤコードを含む信号を送信し
ている。Further, the mobile radio terminal transmits a signal including its own ID code at regular time intervals regardless of whether or not the ID code is detected for itself and the group to which it belongs.
【００１１】基地局装置は上記応答信号および上記一定
時間毎信号を複数の中間局装置を介して受信し、各中間
局間の受信信号強度差を基に当該端末位置を演算により
特定する。統制局装置は各基地局で算出されたこの位置
情報を移動無線端末ごとに一定時間毎記憶し、現時刻ま
での移動軌跡を基に将来の当該端末位置を予想する。The base station device receives the response signal and the signal for every fixed time period through a plurality of intermediate station devices, and specifies the terminal position by calculation based on the received signal strength difference between the intermediate stations. The control station device stores this position information calculated by each base station for each mobile radio terminal at fixed time intervals, and predicts the future position of the terminal based on the movement trajectory up to the current time.
【００１２】また移動無線端末は自己が属するグループ
のＩＤコードを追加および削除可能なので１台の移動無
線端末を複数のグループに自由に所属させることができ
る。Since the mobile radio terminal can add and delete the ID code of the group to which it belongs, one mobile radio terminal can freely belong to a plurality of groups.
【００１３】[0013]
【実施例】以下図面を参照して本発明の実施例を説明す
る。Embodiments of the present invention will be described below with reference to the drawings.
【００１４】図１は本発明一実施例の構成を示すもので
ある。この実施例は、例えば宅配便会社において車輌の
位置検索を行うものである。FIG. 1 shows the configuration of an embodiment of the present invention. In this embodiment, for example, a courier company searches for a vehicle position.
【００１５】本実施例は、基地局装置131〜13nと、これ
らすべての基地局を統括する統制局17と、基地局装置13
1〜13nが構成するエリア181〜18n内にそれぞれ複数設置
される中間局装置141ー1〜141ーx，142ー1〜142ーy，・・・
・，14nー1〜14nーzと、これら181〜18nのエリア内を移動
する複数の無線移動端末12とから構成されている。中間
局装置は固定伝送路151ー1〜151ーx，152ー1〜152ーy，・・
・・，15nー1〜15nーzで基地局装置と接続され、各基地局
装置は固定伝送路161〜16nで統制局装置と接続されてい
る。In this embodiment, the base station devices 13 1 to 13 n , the control station 17 that controls all of these base stations, and the base station device 13
A plurality of intermediate station devices 14 1 -1 to 14 1-x , 14 2 -1 to 14 2 -y , ... are installed in areas 18 1 to 18 n formed by 1 to 13 n , respectively.
.., 14 n-1 to 14 nz, and a plurality of wireless mobile terminals 12 moving in the areas of 18 1 to 18 n . Intermediate station apparatus fixed transmission line 15 1 over 1-15 -1-x, 15 2-1-15 2-y, · ·
.., 15 n-1 to 15 nz are connected to the base station apparatus, and each base station apparatus is connected to the control station apparatus via fixed transmission lines 16 1 to 16 n .
【００１６】次に図２に無線移動端末12の構成をブロッ
ク図にて示す。受信回路22の出力は符号検出回路24へと
導かれ、自己固有のＩＤコードおよび自己が属するグル
ープ固有のＩＤコードを記憶する符号記憶回路25の出力
と比較される。受信回路22で受信したＩＤコードと符号
記憶回路25で記憶しているＩＤコードが一致したとき符
号検出回路24の出力は制御回路28に送られ、制御回路28
は送信回路23を起動し自己のＩＤコードを含む応答信号
を送信する。また、時間計測回路26は自己固有のＩＤコ
ードおよび自己が属するグループ固有のＩＤコード検出
の有無にかかわらず、一定時間毎に送信回路23を起動し
自己のＩＤコードを含む信号を送信する。制御回路28は
この移動無線端末全体を制御しており、符号記憶回路25
に記憶されているＩＤコードを追加および削除する制御
や、タイマ値記憶回路27に記憶されているタイマ値を変
更する制御なども行う。FIG. 2 is a block diagram showing the structure of the wireless mobile terminal 12. The output of the reception circuit 22 is guided to the code detection circuit 24 and compared with the output of the code storage circuit 25 which stores the ID code unique to itself and the ID code unique to the group to which it belongs. When the ID code received by the reception circuit 22 and the ID code stored in the code storage circuit 25 match, the output of the code detection circuit 24 is sent to the control circuit 28, and the control circuit 28
Activates the transmission circuit 23 and transmits a response signal including its own ID code. Further, the time measuring circuit 26 activates the transmitting circuit 23 at regular time intervals and transmits a signal including its own ID code regardless of whether or not the ID code unique to itself and the ID code unique to the group to which it belongs are detected. The control circuit 28 controls the entire mobile radio terminal, and the code storage circuit 25
Also, control for adding and deleting the ID code stored in, and control for changing the timer value stored in the timer value storage circuit 27 are performed.
【００１７】図３には基地局装置13の構成をブロック図
で示す。中間局装置より固定伝送路15を介して送られた
移動無線端末からの信号は受信回路32に入る。受信回路
32の出力は演算回路34へと導かれ、中間局ごとの受信信
号強度差を基にして端末の位置が算出される。算出され
た位置情報は送信回路33に送られ、固定伝送路16を介し
て統制局へ送られる。また、統制局より固定伝送路16を
介して送られた移動無線端末固有もしくはその端末が属
するグループ固有のＩＤコードを含む位置検索信号を固
定伝送路15を介して中間局へと送出する。FIG. 3 is a block diagram showing the configuration of the base station device 13. The signal from the mobile radio terminal sent from the intermediate station device via the fixed transmission line 15 enters the receiving circuit 32. Receiver circuit
The output of 32 is guided to the arithmetic circuit 34, and the position of the terminal is calculated based on the received signal strength difference for each intermediate station. The calculated position information is sent to the transmission circuit 33 and sent to the control station via the fixed transmission path 16. Further, a position search signal including an ID code specific to the mobile radio terminal or a group to which the terminal belongs sent from the control station via the fixed transmission line 16 is sent to the intermediate station via the fixed transmission line 15.
【００１８】図４には中間局装置14の構成をブロック図
で示す。固定伝送路15を介して基地局より送られた位置
検索信号を送信回路43で無線信号に変換して送出する。
また、移動無線端末より送出された端末固有のＩＤコー
ドを含む信号は受信回路42へ入り、固定伝送路15を介し
て基地局へ送られる。FIG. 4 is a block diagram showing the configuration of the intermediate station device 14. The position search signal sent from the base station via the fixed transmission line 15 is converted into a wireless signal by the sending circuit 43 and sent out.
Further, the signal including the terminal-specific ID code sent from the mobile radio terminal enters the receiving circuit 42 and is sent to the base station via the fixed transmission path 15.
【００１９】図５には統制局装置17の構成をブロック図
で示す。固定伝送路16を介して一定時間毎および位置検
索信号に対する応答として送られてくる移動無線端末ご
との位置情報を位置情報記憶回路72にて順次記憶し、こ
れを演算回路73で処理することにより当該端末の将来予
想位置を算出し、表示ディスプレイを含む操作端末75へ
出力する。この情報は位置通知サービスに加入している
加入者宅に設置された、加入者宅端末装置77へもオンラ
インで伝送可能である。演算回路73の演算則は演算則記
憶回路74に記憶されており、この内容は操作端末75から
のアクセスにより変更可能である。また、操作端末75で
は移動無線端末固有もしくは群固有のＩＤコードを含む
位置検索信号を送信するための操作も行うが、これも加
入者宅端末装置77からのオンライン操作が可能である。FIG. 5 is a block diagram showing the configuration of the control station device 17. The position information storage circuit 72 sequentially stores the position information of each mobile wireless terminal sent as a response to the position search signal at fixed time intervals through the fixed transmission line 16, and by processing this by the arithmetic circuit 73. The future expected position of the terminal is calculated and output to the operation terminal 75 including the display. This information can also be transmitted online to the subscriber home terminal device 77 installed in the subscriber home that subscribes to the position notification service. The calculation rule of the calculation circuit 73 is stored in the calculation rule storage circuit 74, and the contents can be changed by the access from the operation terminal 75. The operation terminal 75 also performs an operation for transmitting a position search signal including an ID code specific to the mobile wireless terminal or group, which can also be operated online from the subscriber home terminal device 77.
【００２０】次に宅配便会社において車輌の位置検索に
用いた場合の動作を説明する。Next, the operation of the courier company when it is used to search the position of a vehicle will be described.
【００２１】加入者宅端末装置77を宅配便会社事務所に
設置し、会社所有のすべての車輌に移動無線端末12を携
帯させる。事務所のマネージャーが加入者宅端末装置77
より位置検索信号送出の操作を行うとその信号は統制局
17、基地局13、中間局14を介して送信され、その信号を
受けた移動無線端末12は自己のＩＤコードを含む応答信
号を送信する。この応答信号は各中間局14で受信され、
受信強度情報が付加されて各基地局へと送られる。基地
局では受信強度差より移動無線端末位置を特定し、その
情報は統制局17を介して加入者宅端末装置77へと送ら
れ、画面ディスプレー上に表示された地図上に投影さ
れ、当該車輌の現在位置をマネージャーに知らしめる。The subscriber home terminal device 77 is installed in the courier company office, and the mobile radio terminal 12 is carried in all vehicles owned by the company. The office manager is the subscriber's home terminal device 77
When a position search signal is transmitted from the
The mobile radio terminal 12, which is transmitted via the base station 17, the base station 13 and the intermediate station 14 and receives the signal, transmits a response signal including its own ID code. This response signal is received by each intermediate station 14,
The reception strength information is added and sent to each base station. The base station identifies the position of the mobile wireless terminal from the difference in reception intensity, and the information is sent to the subscriber's home terminal device 77 via the control station 17, and is projected on the map displayed on the screen display. Inform the manager of the current location of the.
【００２２】また、引越し荷物の運搬等で複数の車輌を
１つのグループとして管理したい場合、移動無線端末の
符号記憶回路25に記憶されているグループＩＤコードを
操作することにより、その日の荷物量に応じたグループ
車輌数の増減が可能となり、効率的でかつ柔軟性の高い
車輌管理が可能となる。Further, when it is desired to manage a plurality of vehicles as one group when carrying moving goods, etc., the group ID code stored in the code storage circuit 25 of the mobile radio terminal can be operated to determine the amount of luggage on that day. The number of group vehicles can be increased or decreased depending on the situation, and efficient and flexible vehicle management can be performed.
【００２３】移動無線端末12は位置検索信号に対する応
答だけでなく、一定時間毎に自己のＩＤコードを含む信
号も送信している。この一定時間毎信号による位置情報
も統制局が順次記憶しているので、過去の移動軌跡を容
易に知ることができる。またこれを演算回路で処理する
ことにより将来予想位置の算出も可能となるので、顧客
からの配送時刻問い合わせ等への高精度な対応が可能と
なる。演算則は変更が可能なので、曜日・時間帯等の経
験則を反映させてより的確なものへ変えていくことがで
きる。The mobile radio terminal 12 transmits not only a response to the position search signal but also a signal including its own ID code at regular time intervals. Since the control station also sequentially stores the positional information based on the signal for every fixed time, the past movement locus can be easily known. Further, by processing this with an arithmetic circuit, it is possible to calculate a future predicted position, so that it is possible to highly accurately respond to a customer's inquiry about delivery time and the like. Since the calculation rule can be changed, it can be changed to a more accurate one by reflecting the rule of thumb such as the day of the week and the time of day.
【００２４】[0024]
【発明の効果】以上説明したように本発明では、移動無
線端末が一定時間毎に自動で位置特定のための信号を発
信するため、過去の移動軌跡や将来の予想位置を求めよ
うとする場合でも統制局オペレータが逐次位置検索信号
を発信する必要はなくなり、オペレータの作業量を軽減
することができる。また、端末から自動的に送られてく
る信号を受信するだけの処理となるので、位置検索信号
送信と応答信号受信の２つの処理を行うよりも効率的で
ある。As described above, according to the present invention, since the mobile radio terminal automatically transmits a signal for position identification at fixed time intervals, it is necessary to obtain a past movement locus or a future predicted position. However, it is not necessary for the control station operator to send the position search signal one after another, and the work load of the operator can be reduced. Further, since the processing is performed only by receiving the signal automatically sent from the terminal, it is more efficient than performing the two processings of the position search signal transmission and the response signal reception.
【００２５】グループ単位の位置情報取得機能において
も、１台の端末を複数のグループに所属させることがで
き、どの端末をどのグループに所属させるかも可変なの
で、応用する業務に最も即した形での運用が可能とな
る。Even in the position information acquisition function in units of groups, one terminal can belong to a plurality of groups, and which terminal belongs to which group is variable. Operation becomes possible.
【図１】本発明一実施例の構成を説明する図である。FIG. 1 is a diagram illustrating a configuration of an exemplary embodiment of the present invention.
【図２】実施例移動無線端末の構成を示すブロック図で
ある。FIG. 2 is a block diagram showing a configuration of an example mobile radio terminal.
【図３】実施例基地局装置の構成を示すブロック図であ
る。FIG. 3 is a block diagram showing the configuration of an embodiment base station apparatus.
【図４】実施例中間局装置の構成を示すブロック図であ
る。FIG. 4 is a block diagram illustrating a configuration of an intermediate station device according to an embodiment.
【図５】実施例統制局装置の構成を示すブロック図であ
る。FIG. 5 is a block diagram showing a configuration of an example control station device.
【図６】従来の移動無線端末位置検索方式の構成を示す
図である。FIG. 6 is a diagram showing a configuration of a conventional mobile radio terminal location search system.
【図７】従来の移動無線端末位置検索方式の構成を示す
図である。FIG. 7 is a diagram showing a configuration of a conventional mobile radio terminal location search system.
12，62，72…移動無線端末、13，63，73…基地局、14，
64，74…中間局、15，16，65，75…固定伝送路、17…統
制局、18…エリア、21，41…アンテナ、22，32，42…受
信回路、23，33，43…送信回路、24…符号検出回路、25
…符号記憶回路、26…時間計測回路、27…タイマ値記憶
回路、28…制御回路、34，73…演算回路、35，36，44，
76…インタフェース回路、72…位置情報記憶回路、74…
演算則記憶回路、75…操作端末、77…加入者宅端末。12, 62, 72 ... Mobile radio terminal, 13, 63, 73 ... Base station, 14,
64,74 ... Intermediate station, 15, 16, 65, 75 ... Fixed transmission line, 17 ... Control station, 18 ... Area, 21, 41 ... Antenna, 22, 32, 42 ... Receiving circuit, 23, 33, 43 ... Transmission Circuit, 24 ... Code detection circuit, 25
... code storage circuit, 26 ... time measuring circuit, 27 ... timer value storage circuit, 28 ... control circuit, 34, 73 ... arithmetic circuit, 35, 36, 44,
76 ... Interface circuit, 72 ... Position information storage circuit, 74 ...
Calculation rule memory circuit, 75 ... Operation terminal, 77 ... Subscriber home terminal.
Claims (2)
らの信号の強度差をもとにその端末位置を特定する方式
において、各移動端末は統制局からの位置情報取得要求
があったときのみに限らず、一定時間毎に自動で位置特
定のための信号を発信し、統制局はその位置情報を時系
列に順次記憶することにより、当該移動端末の現在位置
のほか、過去の移動軌跡、将来の予想位置の提供をする
ことを特徴とする通信システム。1. In a method of identifying the position of a mobile radio terminal based on the signal strength difference between the mobile radio terminals received by a plurality of intermediate stations, each mobile terminal receives a position information acquisition request from a control station. Not only at this time, but also by automatically transmitting a signal for position identification at regular time intervals, and the control station sequentially storing the position information in time series, so that the current position of the mobile terminal and past movement A communication system characterized by providing a trajectory and an expected position in the future.
ループに所属させ、各グループ固有のＩＤコードでの位
置情報取得要求をし、グループ単位での位置情報を得る
ことを特徴とする通信システム。2. The device according to claim 1, wherein one terminal belongs to a plurality of groups, a position information acquisition request is made with an ID code unique to each group, and position information is obtained in group units. Communications system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5118115A JPH06334595A (en) | 1993-05-20 | 1993-05-20 | Communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5118115A JPH06334595A (en) | 1993-05-20 | 1993-05-20 | Communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06334595A true JPH06334595A (en) | 1994-12-02 |
Family
ID=14728404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5118115A Pending JPH06334595A (en) | 1993-05-20 | 1993-05-20 | Communication system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06334595A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09172676A (en) * | 1994-12-13 | 1997-06-30 | Ace K Computer:Kk | Position display system for mobile terminal equipment, center station for the system and mobile terminal equipment |
| JPH10319109A (en) * | 1997-03-18 | 1998-12-04 | Hitachi Inf Technol:Kk | Traveling body search system |
| WO2001091502A1 (en) * | 2000-05-25 | 2001-11-29 | Sony Corporation | Data communication system and method, and mobile body apparatus |
| US6349211B2 (en) | 1995-07-25 | 2002-02-19 | Ace K Computer Co., Ltd. | Position display system of mobile terminal |
| WO2004057904A1 (en) * | 2002-12-20 | 2004-07-08 | Jicoux Datasystems, Inc. | Delivering apparatus, program for delivering apparatus, and method for controlling delivering apparatus |
| WO2004114712A1 (en) * | 2003-05-21 | 2004-12-29 | Hitachi, Ltd. | Space-time communication system |
| JP2010226741A (en) * | 2000-11-16 | 2010-10-07 | Qualcomm Inc | Position determination in wireless communication system with detection and compensation for repeater |
-
1993
- 1993-05-20 JP JP5118115A patent/JPH06334595A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09172676A (en) * | 1994-12-13 | 1997-06-30 | Ace K Computer:Kk | Position display system for mobile terminal equipment, center station for the system and mobile terminal equipment |
| US6349211B2 (en) | 1995-07-25 | 2002-02-19 | Ace K Computer Co., Ltd. | Position display system of mobile terminal |
| JPH10319109A (en) * | 1997-03-18 | 1998-12-04 | Hitachi Inf Technol:Kk | Traveling body search system |
| WO2001091502A1 (en) * | 2000-05-25 | 2001-11-29 | Sony Corporation | Data communication system and method, and mobile body apparatus |
| US6615134B2 (en) | 2000-05-25 | 2003-09-02 | Sony Corporation | Data communication system and method, and mobile body apparatus |
| JP2010226741A (en) * | 2000-11-16 | 2010-10-07 | Qualcomm Inc | Position determination in wireless communication system with detection and compensation for repeater |
| WO2004057904A1 (en) * | 2002-12-20 | 2004-07-08 | Jicoux Datasystems, Inc. | Delivering apparatus, program for delivering apparatus, and method for controlling delivering apparatus |
| WO2004114712A1 (en) * | 2003-05-21 | 2004-12-29 | Hitachi, Ltd. | Space-time communication system |
| US7945614B2 (en) | 2003-05-21 | 2011-05-17 | Hitachi, Ltd. | Space-time communication system |
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