JPH0653873A - Urgency priority communication system - Google Patents
Urgency priority communication systemInfo
- Publication number
- JPH0653873A JPH0653873A JP20385192A JP20385192A JPH0653873A JP H0653873 A JPH0653873 A JP H0653873A JP 20385192 A JP20385192 A JP 20385192A JP 20385192 A JP20385192 A JP 20385192A JP H0653873 A JPH0653873 A JP H0653873A
- Authority
- JP
- Japan
- Prior art keywords
- communication
- subscriber
- station
- satellite
- stations
- 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
- Radio Relay Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、公衆通信網および通信
衛星を介して通信が可能である緊急優先通信システムに
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an emergency priority communication system capable of communicating via a public communication network and communication satellites.
【０００２】[0002]
【従来の技術】従来においては、緊急通信路および優先
通信路を確保するためには、常時専用の通信システムを
特定の業者（第一種業者）から借りるか、または、自営
の通信システムを構築する必要がある。2. Description of the Related Art Conventionally, in order to secure an emergency communication path and a priority communication path, a dedicated communication system is always rented from a specific trader (first-class trader) or a self-employed communication system is constructed. There is a need to.
【０００３】[0003]
【発明が解決しようとする課題】しかし、従来の通信シ
ステムにおいては、常時専用のものを借りる料金が高
く、かつ、自営のものを構築する費用は更に高いという
問題がある。However, in the conventional communication system, there is a problem that the fee for always renting a dedicated one is high and the cost for constructing a self-owned one is higher.
【０００４】本発明の課題は、緊急通信路および優先通
信路を安価に確保することができる緊急優先通信システ
ムを提供することにある。An object of the present invention is to provide an emergency priority communication system which can secure an emergency communication path and a priority communication path at low cost.
【０００５】[0005]
【課題を解決するための手段】本発明によれば、公衆通
信網および通信衛星を介して通信が可能である複数の加
入者局と、これらの加入者局の通信を制御する制御局と
を具備し、前記制御局は、時々刻々の前記通信衛星によ
る通信料金のデ−タを前記加入者局に送り、かつ、前記
加入者局から通信要求信号がある時のみ当該加入者局と
通信要求信号により要求された加入者局との間で前記通
信衛星による通信を可能とすることを特徴とする緊急優
先通信システムが得られる。According to the present invention, a plurality of subscriber stations capable of communication via a public communication network and a communication satellite, and a control station for controlling the communication of these subscriber stations are provided. The control station sends the communication fee data from the communication satellite every moment to the subscriber station, and requests a communication with the subscriber station only when there is a communication request signal from the subscriber station. An emergency priority communication system is obtained, which enables communication by the communication satellite with a subscriber station requested by a signal.
【０００６】また、本発明によれば、前記通信システム
において、前記制御局は、通信衛星のトランンスポンダ
−数およびトランンスポンダ−の使用帯域を通信量に応
じて変化させることができることを特徴とする緊急優先
通信システムが得られる。Further, according to the present invention, in the communication system, the control station can change the number of transponders of a communication satellite and a band used by the transponders according to a communication amount. An emergency priority communication system is obtained.
【０００７】[0007]
【実施例】次に、本発明の１実施例を図面に基いて詳細
に説明する。図１において、複数の加入者局１，２は、
公衆通信網３を介して通信が可能である。また、これら
の加入者局１，２は、通信衛星４により通信チャンネル
５を介して通信が可能である。加入者局１は、例えば電
話機６、ファクシミリ７およびホストコンピュ−タ８を
具備している。また、加入者局２は、例えば電話機９、
ファクシミリ１０およびパ−ソナルコンピュ−タ１１を
具備している。DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, one embodiment of the present invention will be described in detail with reference to the drawings. In FIG. 1, a plurality of subscriber stations 1 and 2 are
Communication is possible via the public communication network 3. Further, these subscriber stations 1 and 2 can communicate with each other via a communication channel 5 by a communication satellite 4. The subscriber station 1 includes, for example, a telephone 6, a facsimile 7, and a host computer 8. In addition, the subscriber station 2 is, for example, a telephone 9,
A facsimile machine 10 and a personal computer 11 are provided.
【０００８】前記加入者局１，２の通信は、制御局１２
により制御される。この制御局１２は、通信衛星４によ
る通信の要求がない場合には加入局１，２が公衆通信網
３を介して通信可能である状態としている。また、制御
局１２は、時々刻々の前記通信衛星４による通信料金の
デ−タを前記加入者局１，２に送り、かつ、前記加入者
局１，２のいずれから通信要求信号がある時のみ当該加
入者局と通信要求信号により要求された加入者局との間
で前記通信衛星４による通信を制御チャンネル１３で可
能とする。Communication between the subscriber stations 1 and 2 is performed by the control station 12
Controlled by. The control station 12 is in a state in which the subscriber stations 1 and 2 can communicate via the public communication network 3 when there is no request for communication by the communication satellite 4. Further, the control station 12 sends the data of the communication charge by the communication satellite 4 to the subscriber stations 1 and 2 every moment and when there is a communication request signal from either of the subscriber stations 1 and 2. Only, the control channel 13 enables communication by the communication satellite 4 between the subscriber station concerned and the subscriber station requested by the communication request signal.
【０００９】また、前記制御局１２は、通信衛星４のト
ランンスポンダ−数およびトランンスポンダ−の使用帯
域を通信量に応じて変化させることができる。Further, the control station 12 can change the number of transponders of the communication satellite 4 and the band used by the transponders according to the amount of communication.
【００１０】[0010]
【発明の効果】本発明は、緊急通信時および優先通信時
にのみ通信衛星４による通信が可能であるから、緊急通
信路および優先通信路を安価に確保することができる。According to the present invention, since the communication by the communication satellite 4 is possible only during the emergency communication and the priority communication, the emergency communication path and the priority communication path can be secured at low cost.
【図１】本発明の１実施例を示すブロック図である。FIG. 1 is a block diagram showing an embodiment of the present invention.
１，２ 加入者局 ３ 公衆通信網 ４ 通信衛星 ５ 通信チャンネル １２ 制御局 １３ 制御チャンネル 1, 2 Subscriber stations 3 Public communication network 4 Communication satellite 5 Communication channel 12 Control station 13 Control channel
Claims (2)
が可能である複数の加入者局と、これらの加入者局の通
信を制御する制御局とを具備し、前記制御局は、時々刻
々の前記通信衛星による通信料金のデ−タを前記加入者
局に送り、かつ、前記加入者局から通信要求信号がある
時のみ当該加入者局と通信要求信号により要求された加
入者局との間で前記通信衛星による通信を可能とするこ
とを特徴とする緊急優先通信システム。1. A plurality of subscriber stations capable of communicating via a public communication network and a communication satellite, and a control station for controlling communication of these subscriber stations, the control station being provided every moment. The data of the communication fee by the communication satellite is sent to the subscriber station, and only when there is a communication request signal from the subscriber station, the subscriber station concerned and the subscriber station requested by the communication request signal An emergency priority communication system, which enables communication between the communication satellites.
て、前記制御局は、通信衛星のトランンスポンダ−数お
よびトランンスポンダ−の使用帯域を通信量に応じて変
化させることができることを特徴とする緊急優先通信シ
ステム。2. The communication system according to claim 1, wherein the control station can change the number of transponders of a communication satellite and a band used by the transponders according to a communication amount. Emergency priority communication system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20385192A JPH0653873A (en) | 1992-07-30 | 1992-07-30 | Urgency priority communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20385192A JPH0653873A (en) | 1992-07-30 | 1992-07-30 | Urgency priority communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0653873A true JPH0653873A (en) | 1994-02-25 |
Family
ID=16480751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20385192A Pending JPH0653873A (en) | 1992-07-30 | 1992-07-30 | Urgency priority communication system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0653873A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59141865A (en) * | 1983-02-01 | 1984-08-14 | Nec Corp | Charging system for domestic satellite communication system |
| JPH0362744A (en) * | 1989-07-31 | 1991-03-18 | Nippon Telegr & Teleph Corp <Ntt> | Satellite line exchange control system |
| JPH03242076A (en) * | 1990-02-20 | 1991-10-29 | Nec Corp | Telephone traffic distributing method |
| JPH03297229A (en) * | 1990-04-16 | 1991-12-27 | Nippon Telegr & Teleph Corp <Ntt> | Satellite line control system |
-
1992
- 1992-07-30 JP JP20385192A patent/JPH0653873A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59141865A (en) * | 1983-02-01 | 1984-08-14 | Nec Corp | Charging system for domestic satellite communication system |
| JPH0362744A (en) * | 1989-07-31 | 1991-03-18 | Nippon Telegr & Teleph Corp <Ntt> | Satellite line exchange control system |
| JPH03242076A (en) * | 1990-02-20 | 1991-10-29 | Nec Corp | Telephone traffic distributing method |
| JPH03297229A (en) * | 1990-04-16 | 1991-12-27 | Nippon Telegr & Teleph Corp <Ntt> | Satellite line control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19970930 |