JPH07264124A - Signal relay system - Google Patents
Signal relay systemInfo
- Publication number
- JPH07264124A JPH07264124A JP7405594A JP7405594A JPH07264124A JP H07264124 A JPH07264124 A JP H07264124A JP 7405594 A JP7405594 A JP 7405594A JP 7405594 A JP7405594 A JP 7405594A JP H07264124 A JPH07264124 A JP H07264124A
- Authority
- JP
- Japan
- Prior art keywords
- relay
- signal
- radio
- control
- channel
- 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
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、移動通信システムにお
ける不感地帯対策として、不感地帯での移動通信サービ
スを提供するための信号中継方式に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a signal relay system for providing a mobile communication service in a dead zone as a measure for the dead zone in a mobile communication system.
【０００２】近年、移動通信システム、特に自動車電話
が一般に普及しつつあるが、地形の制約等によって電波
が届かずサービスを提供できない場所（不感地帯）が発
生するので、この不感地帯へも移動通信サービスを提供
できることが必要とされている。[0002] In recent years, mobile communication systems, especially car telephones, are becoming popular. However, there are some places (dead zones) where radio waves cannot reach and services cannot be provided due to topographical restrictions. It is necessary to be able to provide services.
【０００３】[0003]
【従来の技術】図３には移動通信システムの従来のサー
ビス形態が示される。図示するように、従来の移動通信
システムにおいては、サービスを提供する場所に制御局
（基地局とも称する）を設置し、その制御局から電波の
届く範囲でのみ移動通信サービスを提供するという方法
を取っていた。2. Description of the Related Art FIG. 3 shows a conventional service form of a mobile communication system. As shown in the figure, in a conventional mobile communication system, a control station (also referred to as a base station) is installed in a place where a service is provided, and a mobile communication service is provided only within a range where radio waves can reach from the control station. I was taking it.
【０００４】[0004]
【発明が解決しようとする課題】従って、電波の届かな
い場所については、新たに制御局を設置する必要があ
り、制御が複雑化し、システムのコストを高くしてい
た。また不感地帯に信号中継装置を設置する方法も考え
られるが、その場合、制御局と信号中継局間では既存サ
ービスエリアで使用していた通話チャネル用無線周波数
とは別の無線周波数で中継をしていたため、無線周波数
の利用効率が悪かった。Therefore, it is necessary to newly install a control station in a place where radio waves do not reach, which complicates control and increases system cost. It is also possible to install a signal relay device in the dead zone, but in that case, relay between the control station and the signal relay station at a radio frequency different from the radio frequency for the call channel used in the existing service area. Therefore, the use efficiency of the radio frequency is poor.
【０００５】本発明はかかる事情に鑑みてなされたもの
であり、その目的とするところは、制御局を設置するこ
となく、不感地帯への信号中継を行って不感地帯での移
動通信サービスの提供を可能にすることにある。The present invention has been made in view of such circumstances, and an object thereof is to provide a mobile communication service in a dead zone by relaying a signal to the dead zone without installing a control station. Is to enable.
【０００６】[0006]
【課題を解決するための手段】図１は本発明に係る原理
説明図である。本発明の信号中継方式は、制御局装置７
の送受信信号を信号中継装置８により不感地帯に中継し
て不感地帯に在圏の移動機９に移動通信サービスを提供
する信号中継方式であって、制御局装置７と信号中継装
置８の間では、制御局装置７が自サービスエリアに向け
て制御チャネル信号を送受信する無線周波数ｆc と異な
る無線周波数ｆc ’を用いた中継用制御チャネル無線装
置７３、８２により制御チャネル信号を送受信し、また
制御局装置７と信号中継装置８の間では、制御局装置７
の通話チャネル無線装置７１n と対向する中継用通話チ
ャネル無線装置８１を信号中継局８側に設け、この中継
用通話チャネル無線装置８１により通話チャネル無線装
置７１n と同一の無線周波数ｆs を用いて通話チャネル
信号を送受信し、信号中継装置８と不感地帯に在圏の移
動機９との間では、中継用通話チャネル無線装置８１で
送受信した通話チャネル信号を中継用通話チャネル無線
装置８１の無線周波数ｆs と異なる無線周波数ｆs ’を
用いた不感地帯向け通話チャネル無線装置８３で送受信
し、また中継用制御チャネル無線装置８２で送受信した
制御チャネル信号を中継用制御チャネル無線装置８２の
無線周波数ｆc ’と異なる無線周波数ｆc ”を用いた不
感地帯向け制御チャネル無線装置８４で送受信するよう
にしたものである。FIG. 1 is a diagram illustrating the principle of the present invention. The signal relay system of the present invention is based on the control station device 7
Is a signal relay system that relays the transmission / reception signal of the signal to the dead zone by the signal relay device 8 to provide the mobile communication service to the mobile station 9 located in the dead zone, and between the control station device 7 and the signal relay device 8. transmits and receives a control channel signal by the relay control channel wireless device 73,82 using the control station apparatus 7 is the radio frequency f c 'different from the radio frequency f c to transmit and receive a control channel signal to the self-service area, also Between the control station device 7 and the signal relay device 8, the control station device 7
The relay communication channel wireless device 81 facing the other communication channel wireless device 71 n is provided on the signal relay station 8 side, and this relay communication channel wireless device 81 uses the same radio frequency f s as the communication channel wireless device 71 n. The call channel signal transmitted and received by the relay call channel wireless device 81 is transmitted between the signal relay device 8 and the mobile device 9 located in the dead zone. The radio frequency of the relay control channel radio device 82 is used to transmit / receive the control channel signal transmitted / received by the call channel radio device 83 for the dead zone using the radio frequency f s ′ different from the frequency f s, and transmitted / received by the relay control channel radio device 82. Transmission and reception is performed by the dead zone control channel radio device 84 using a radio frequency f c ″ different from f c ′.
【０００７】上述の信号中継方式において、制御局装置
と信号中継装置の間の中継用制御チャネル無線装置によ
る中継用回線を現用／予備に二重化するよう構成でき
る。In the above-mentioned signal relay system, the relay line for the control channel radio device for relay between the control station device and the signal relay device can be configured so as to be duplicated in working / standby.
【０００８】また上述の信号中継方式において、制御局
装置と信号中継装置間で装置の監視情報の送受を行う監
視制御部を、制御局装置と信号中継装置間で制御チャネ
ル信号および通話チャネル信号の送受を行う通話制御部
と分離するよう構成できる。Further, in the above-mentioned signal relay system, a supervisory control unit for transmitting / receiving the monitoring information of the device between the control station device and the signal relay device is provided with a control channel signal and a call channel signal between the control station device and the signal relay device. It can be configured to be separated from the call control unit for transmitting and receiving.
【０００９】[0009]
【作用】従来、制御チャネル無線装置７２により送受信
していた制御チャネル信号を、中継用制御チャネル無線
装置７３からも送受信し、その制御チャネル信号を信号
中継装置８との間、さらに不感地域向け制御チャネル無
線装置８４を通して不感地帯に在圏の移動機９との間で
送受できるようにする。また通話チャネル無線装置７１
1 〜７１n のうちの少なくとも１台（例えば通話チャネ
ル無線装置７１n）の通話チャネル信号を信号中継装置
８の中継用通話チャネル無線装置８１と不感地域向け通
話チャネル無線装置８３を介して不感地帯まで延長す
る。The control channel signal which is conventionally transmitted and received by the control channel radio device 72 is also transmitted and received by the relay control channel radio device 73, and the control channel signal is controlled between the signal relay device 8 and the dead zone. The channel wireless device 84 enables transmission / reception to / from the mobile station 9 located in the dead zone. Also, the call channel wireless device 71
1-71 dead spots via at least one (e.g. speech channel wireless device 71 n) for relay speech channel radio apparatus 81 and the dead area for the speech channel wireless device 83 of the communication channel signal a signal relay device 8 of the n Extend to.
【００１０】このように、制御局装置７が既設サービス
エリアで使用している通話チャネルの内のいくつかを不
感地帯にまで延ばすことにより、周波数の有効利用を図
ることができる。As described above, the control station device 7 extends some of the communication channels used in the existing service area to the dead zone, so that the effective use of frequencies can be achieved.
【００１１】また、制御チャネル信号を専用の無線回線
で制御局装置７から信号中継装置８に連絡することによ
り、中継装置を個別にビジー制御等することができる。Further, by communicating the control channel signal from the control station device 7 to the signal relay device 8 through a dedicated radio line, the relay devices can be individually busy-controlled.
【００１２】更に、中継用制御チャネル無線装置７３、
８２を、同一周波数の無線機を現用／予備の２セット設
置して連絡用回線および無線装置を二重化することによ
り、制御チャネル信号の中継断の影響を最小限に抑える
ことができる。Further, a relay control channel radio unit 73,
By installing two sets of radios of the same frequency, working / standby, to duplicate the communication line and the radio device 82, it is possible to minimize the influence of disconnection of the control channel signal.
【００１３】また、信号中継装置８の監視制御用とし
て、制御局装置７および信号中継装置８に監視制御部を
設けてその間を監視制御回線で結び、通話制御部と装置
監視制御部を分離することにより、監視制御部の障害時
にも通話サービスを提供できるようになる。Further, for monitoring and controlling the signal relay device 8, a supervisory control unit is provided in the control station device 7 and the signal relay device 8, and a supervisory control line connects them to separate the call control unit and the device supervisory control unit. As a result, the call service can be provided even when the monitoring control unit has a failure.
【００１４】[0014]
【実施例】以下、図面を参照して本発明の実施例を説明
する。図２には本発明の一実施例としての信号中継方式
による移動通信システムが示される。図中、１は制御局
装置であり、この制御局装置１は既存サービスエリアに
在圏する移動機に対して通信サービスを提供する。また
２は信号中継装置であり、この信号中継装置２は制御局
装置１と不感地帯に在圏する移動機との間で信号の中継
を行って不感地帯での移動通信サービスの提供を行う。Embodiments of the present invention will be described below with reference to the drawings. FIG. 2 shows a mobile communication system using a signal relay system as an embodiment of the present invention. In the figure, reference numeral 1 is a control station apparatus, and this control station apparatus 1 provides a communication service to mobile stations existing in an existing service area. Further, 2 is a signal relay device, and this signal relay device 2 relays signals between the control station device 1 and mobile stations located in the dead zone to provide mobile communication service in the dead zone.
【００１５】制御局装置１は、制御装置１０１、監視制
御部１０２、制御チャネル無線装置１０、通話チャネル
無線装置１１〜２０、不感地帯との連絡のための信号中
継装置２向けの中継用制御チャネル無線装置３０、信号
中継装置２向けの監視制御用無線装置５０などを含み構
成されており、ここで、制御装置１０１から制御チャネ
ル無線装置１０に送受される制御チャネル信号は中継用
制御チャネル無線装置３０間でも送受されるようになっ
ている。The control station device 1 includes a control device 101, a monitoring control unit 102, a control channel radio device 10, call channel radio devices 11 to 20, and a relay control channel for a signal relay device 2 for communication with a dead zone. It is configured to include a radio device 30, a monitoring control radio device 50 for the signal relay device 2, and the like, in which the control channel signal transmitted and received from the control device 101 to the control channel radio device 10 is a relay control channel radio device. It can be sent and received even during 30 minutes.
【００１６】信号中継装置２は、通話制御部２０１、監
視制御部２０２、制御局装置１向けの通話チャネル無線
装置４１〜４３、不感地帯向けの通話チャネル無線装置
４１’〜４３’、制御局装置１向けの中継用制御チャネ
ル無線装置４０、不感地帯向けの制御チャネル無線装置
４０’、制御局装置１向けの監視制御用無線装置５１な
どを含み構成される。The signal relay device 2 includes a call control unit 201, a monitoring control unit 202, call channel radio devices 41 to 43 for the control station device 1, call channel radio devices 41 'to 43' for the dead zone, and a control station device. 1, a relay control channel wireless device 40, a dead zone control channel wireless device 40 ′, a supervisory control wireless device 51 for the control station device 1, and the like.
【００１７】ここで、制御局装置１の制御チャネル無線
装置１０と通話チャネル無線装置１１〜２０は既存サー
ビスエリアに在圏する移動機に対して通信サービスを提
供するための無線装置である。また中継用制御チャネル
無線装置３０と４０は制御局装置１と信号中継装置２間
で制御チャネル信号を送受するための無線装置である。
また監視制御用無線装置５０と５１は制御局装置１と信
号中継装置２間で監視情報を送受するための無線装置で
あり、信号中継装置２における各無線装置４１〜４３、
４１’〜４３’、４０、４０’の障害の有無などを監視
情報として制御局装置１に送るようになっている。Here, the control channel radio device 10 and the communication channel radio devices 11 to 20 of the control station device 1 are radio devices for providing communication services to mobile stations existing in the existing service area. The relay control channel radio devices 30 and 40 are radio devices for transmitting and receiving control channel signals between the control station device 1 and the signal relay device 2.
Further, the monitoring control radio devices 50 and 51 are radio devices for transmitting and receiving the monitoring information between the control station device 1 and the signal relay device 2, and each of the radio devices 41 to 43 in the signal relay device 2,
The presence / absence of a failure of 41 'to 43', 40, 40 'is sent to the control station device 1 as monitoring information.
【００１８】また、信号中継装置２の通話チャネル無線
装置４１〜４３は制御局装置１の通話チャネル無線装置
１１〜２０のうちの三つの通話チャネル無線装置１８〜
２０との間で通話チャネル信号の送受を行うための無線
装置である。これら各通話チャネル無線装置４１〜４３
は無線周波数としてそれぞれに対応する通話チャネル無
線装置１８〜２０の無線周波数ｆs18 〜ｆs20 を用いて
いる。The call channel radio devices 41 to 43 of the signal relay device 2 are three call channel radio devices 18 to 18 of the call channel radio devices 11 to 20 of the control station device 1.
It is a wireless device for transmitting and receiving a communication channel signal to and from 20. Each of these call channel radio devices 41 to 43
Uses the radio frequencies f s18 to f s20 of the corresponding call channel radio devices 18 to 20 as radio frequencies.
【００１９】一方、不感地帯向けの通話チャネル無線装
置４１’〜４３’は不感地帯に在圏する移動機との間で
通話チャネル信号の送受を行うための無線装置であり、
使用する無線周波数としては、干渉を防ぐために、通話
チャネル無線装置４１〜４３が用いている無線周波数ｆ
s18 〜ｆs20 とは異なる無線周波数ｆs41 ’〜ｆs43’
を用いている。On the other hand, the call channel radio devices 41 'to 43' for the dead zone are radio devices for transmitting and receiving a call channel signal to and from mobile stations located in the dead zone.
The radio frequency to be used is the radio frequency f used by the call channel radio devices 41 to 43 in order to prevent interference.
s18 radio frequency f s41 different from the ~f s20 '~f s43'
Is used.
【００２０】また不感地帯向けの制御チャネル無線装置
４０’は不感地帯に在圏する移動機との間で制御チャネ
ル信号の送受を行うための無線装置であり、使用する無
線周波数としては、干渉を防ぐために、中継用制御チャ
ネル無線装置３０と４０間で使用している無線周波数ｆ
c30 とは異なる無線周波数ｆc40 ’を用いている。The control channel radio device 40 'for the dead zone is a radio device for transmitting and receiving a control channel signal to and from a mobile station located in the dead zone. As a radio frequency to be used, there is no interference. To prevent this, the radio frequency f used between the relay control channel radio devices 30 and 40 is used.
A radio frequency f c40 'which is different from c30 is used.
【００２１】なお、制御局装置１側の中継用制御チャネ
ル無線装置３０は同一周波数の無線機を現用／予備の２
セット設置し、同様に信号中継装置２側の中継用制御チ
ャネル無線装置４０も同一周波数の無線機を現用／予備
の２セット設置して、制御局装置１と信号中継装置２間
の制御チャネル回線を二重化しており、通常は片方のみ
の運用とし、障害発生時に予備系に切り換えて運用する
ことにより、移動通信システムの高信頼化を図ってい
る。The relay control channel radio device 30 on the side of the control station device 1 is a radio device of the same frequency and is used as a working / standby device.
Similarly, the relay control channel wireless device 40 on the signal relay device 2 side is also installed with two sets of active / standby radio devices of the same frequency, and a control channel line between the control station device 1 and the signal relay device 2 is installed. In general, only one of them is operated, and when a failure occurs, the mobile communication system is made highly reliable by switching to the standby system and operating.
【００２２】この移動通信システムの動作を以下に述べ
る。この実施例の移動通信システムにおいては、今まで
制御チャネル無線装置１０で既存サービスエリアに対し
て送受信していた制御チャネル信号を、不感地帯連絡用
の制御チャネル無線装置３０からも無線周波数を異なら
せて信号中継装置２に対して送受信し、制御局装置１の
中継用制御チャネル無線装置３０と信号中継装置２の中
継用制御チャネル無線装置４０間で同じ制御チャネル信
号の授受を行う。信号中継装置２の通話制御部２０１
は、この制御チャネル信号を不感地帯向けの制御チャネ
ル無線装置４０’を用いて不感地帯に在圏する移動機と
の間で送受信する。The operation of this mobile communication system will be described below. In the mobile communication system of this embodiment, the control channel signal transmitted / received to / from the existing service area by the control channel wireless device 10 has a different radio frequency from the control channel wireless device 30 for contacting the dead zone. Then, the same control channel signal is exchanged between the relay control channel radio device 30 of the control station device 1 and the relay control channel radio device 40 of the signal relay device 2. Call control unit 201 of signal relay device 2
Transmits / receives this control channel signal to / from a mobile station located in the dead zone using the control channel wireless device 40 'for the dead zone.
【００２３】これにより、制御局装置１においては、今
までのエリアのサービス形態を変えることなく、不感地
帯との間でも同一の制御チャネル信号の送受信が可能で
ある。また、制御局装置１で既存サービスエリア向けと
不感地帯向けに別々の制御チャネル信号を送信して、ビ
ジー制御等を個別に行うことも可能である。As a result, the control station device 1 can transmit / receive the same control channel signal to / from the dead zone without changing the service form of the area so far. In addition, the control station device 1 may transmit separate control channel signals for the existing service area and the dead zone to individually perform busy control and the like.
【００２４】また制御局装置１の通話チャネル無線装置
１１〜２０のうちの三つの通話チャネル無線装置１８〜
２０を信号中継装置２の中継用通話チャネル無線装置４
１〜４３と対向させて、その間で、通話チャネル無線装
置１８〜２０の使用無線周波数ｆs18 〜ｆs20 により通
話チャネル信号の送受を行うようにする。更にその送受
信した通話チャネル信号を移動機用通話チャネル無線装
置４１’〜４３’により無線周波数をｆs41 ’〜
ｆs43 ’に変えて不感地帯在圏の移動機との間で送受す
ることにより、不感地帯在圏の移動機と制御局装置１と
の間で通話チャネル信号の信号中継を行う。Also, three of the call channel radio devices 11 to 20 of the control station device 1 are three call channel radio devices 18 to 20.
20 is a relay communication channel radio device 4 of the signal relay device 2
1 to 43 are opposed to each other, and the communication channel signals are transmitted and received between the communication channel wireless devices 18 to 20 at the used radio frequencies f s18 to f s20 . Further, the transmitted / received speech channel signals are transmitted by the mobile telephone speech channel radio devices 41'-43 'to radio frequencies fs41'-
By changing to fs43 'and transmitting / receiving with the mobile device in the dead zone, the signal relay of the communication channel signal is performed between the mobile device in the dead zone and the control station device 1.
【００２５】ここで、通話チャネル用無線機１８〜２０
で送受信する電波と中継用無線装置４１〜４３で送受信
する電波は同じ無線周波数であるので、制御局装置１は
通常の既存サービスエリア在圏の移動機に対すると同じ
サービス形態によりながら、不感地帯在圏の移動機との
間でも通信を行うことができる。Here, the radios 18 to 20 for call channels are used.
Since the radio waves transmitted and received by the relay radio apparatus 41 and the radio waves transmitted and received by the relay radio apparatuses 41 to 43 have the same radio frequency, the control station apparatus 1 has the same service form as that of a mobile device in a normal existing service area, but has a dead zone. It is also possible to communicate with mobile devices in the area.
【００２６】また、不感地帯に設置した信号中継装置２
の監視制御は、制御局装置１の監視制御部１０２と信号
中継装置２の監視制御部２０２により行い、監視情報の
送受は監視制御用無線装置５０と５１間に設ける監視制
御回線により行う。The signal relay device 2 installed in the dead zone
Monitoring control by the monitoring control unit 102 of the control station device 1 and the monitoring control unit 202 of the signal relay device 2, and transmission / reception of monitoring information is performed by the monitoring control line provided between the monitoring control wireless devices 50 and 51.
【００２７】[0027]
【発明の効果】以上に説明したように、本発明によれ
ば、以下に示すような種々の効果を得ることができる。As described above, according to the present invention, various effects as described below can be obtained.
【００２８】 制御局装置は、信号中継装置との間で
の通話チャネル信号の送受信のために、既存サービスエ
リアで使用していた通話チャネル無線装置の送受信信号
の無線周波数をそのまま使用すればよく、すなわち、新
たに不感地帯までの通話チャネル信号中継用の無線周波
数を獲得してその無線周波数で信号を中継する必要がな
く、よって既存無線周波数を利用して無線周波数の有効
利用を図ることができる。The control station device may use the radio frequency of the transmission / reception signal of the communication channel radio device used in the existing service area as it is for transmitting / receiving the communication channel signal to / from the signal relay device, In other words, it is not necessary to newly acquire a radio frequency for relaying a communication channel signal up to the dead zone and relay the signal at the radio frequency, and thus the existing radio frequency can be used to effectively use the radio frequency. .
【００２９】 既存サービスエリア向けの制御チャネ
ル無線装置１０と不感地帯へ信号を中継する中継用制御
チャネル無線装置３０が独立しているため、既設サービ
スエリアと不感地帯とに送信する信号を異なるものとす
ることができ、よって不感地帯のみ発信制限（ビジー制
御）をするなど既存サービスエリアと不感地帯の個別制
御が可能となる。Since the control channel wireless device 10 for the existing service area and the relay control channel wireless device 30 for relaying the signal to the dead zone are independent, the signals to be transmitted to the existing service area and the dead zone are different. Therefore, it is possible to individually control the existing service area and the dead zone, for example, by limiting transmission (busy control) only in the dead zone.
【００３０】 不感地帯に連絡回線として延ばす制御
チャネル信号は、同一周波数の無線装置で現用／予備の
二重化構成となっているため、無線装置故障などの障害
発生時にも、予備系に切り替えてサービス継続が可能と
なる。Since the control channel signal extending to the dead zone as a communication line has a dual structure of working / standby in a radio device of the same frequency, even if a fault such as a radio device failure occurs, it is switched to the standby system to continue service. Is possible.
【００３１】 通話制御部と監視制御部を独立させた
ため、監視制御部または通話制御部の障害は相互に関係
しないので、監視制御部の障害発生時にも通話サービス
を継続できる。Since the call control unit and the monitor control unit are independent of each other, the failure of the monitor control unit or the call control unit is not related to each other, so that the call service can be continued even when the failure of the monitor control unit occurs.
【図１】本発明に係る原理説明図である。FIG. 1 is a diagram illustrating the principle of the present invention.
【図２】本発明の一実施例としての信号中継方式による
移動通信システムを示す図である。FIG. 2 is a diagram showing a mobile communication system using a signal relay system as an embodiment of the present invention.
【図３】従来の移動通信システムを説明する図である。FIG. 3 is a diagram illustrating a conventional mobile communication system.
１ 制御局装置 ２ 信号中継装置 １０ 制御チャネル無線装置 １１〜２０ 既存サービスエリア向けの通話チャネル無
線装置 ３０ 信号中継装置向けの中継用制御チャネル無線装置 ４０ 制御局装置向けの中継用制御チャネル無線装置 ４０’ 不感地帯向けの制御チャネル無線装置 ４１〜４３ 制御局装置向けの通話チャネル無線装置 ４１’〜４３’ 不感地帯向けの通話チャネル無線装置 ５０、５１ 監視制御用無線装置 １０１ 制御装置 １０２、２０２ 監視制御部 ２０１ 通話制御部REFERENCE SIGNS LIST 1 control station apparatus 2 signal relay apparatus 10 control channel radio apparatus 11 to 20 speech channel radio apparatus for existing service area 30 relay control channel radio apparatus for signal relay apparatus 40 relay control channel radio apparatus for control station apparatus 40 'Control zone radios for blind zones 41-43 Control channel radios for control station equipment 41'-43' Speech zone radios for dead zones 50, 51 Monitoring control radios 101 Controls 102, 202 Supervisory control Unit 201 Call control unit
Claims (3)
継装置（８）により不感地帯に中継して不感地帯に在圏
の移動機（９）に移動通信サービスを提供する信号中継
方式であって、 制御局装置と信号中継装置の間では、制御局装置が自サ
ービスエリアに向けて制御チャネル信号を送受信する無
線周波数（ｆc ）と異なる無線周波数（ｆc ’）を用い
た中継用制御チャネル無線装置（７３、８２）により制
御チャネル信号を送受信し、 また制御局装置と信号中継装置の間では、制御局装置の
通話チャネル無線装置（７１n ）と対向する中継用通話
チャネル無線装置（８１）を信号中継局側に設け、この
中継用通話チャネル無線装置により上記通話チャネル無
線装置と同一の無線周波数（ｆs ）を用いて通話チャネ
ル信号を送受信し、 信号中継装置と不感地帯に在圏の移動機との間では、上
記中継用通話チャネル無線装置で送受信した通話チャネ
ル信号を上記中継用通話チャネル無線装置の無線周波数
（ｆs ）と異なる無線周波数（ｆs ’）を用いた不感地
帯向け通話チャネル無線装置８３で送受信し、また上記
中継用制御チャネル無線装置で送受信した制御チャネル
信号を上記中継用制御チャネル無線装置の無線周波数
（ｆc ’）と異なる無線周波数（ｆc ”）を用いた不感
地帯向け制御チャネル無線装置（８４）で送受信するよ
うにした信号中継方式。1. A signal relay system for relaying a transmission / reception signal of a control station device (7) to a dead zone by a signal relay device (8) and providing a mobile communication service to a mobile station (9) located in the dead zone. there are, between the control station apparatus and the signal repeater, relay the control station apparatus using a radio frequency (f c) and the different radio frequencies to transmit and receive a control channel signal to the self-service area (f c ') A control channel radio device (73, 82) transmits / receives a control channel signal, and between the control station device and the signal relay device, a call channel radio device for relay that faces the call channel radio device (71 n ) of the control station device. (81) is provided in the signal relay station, send and receive communication channel signals by using the speech channel wireless device and the same radio frequency (f s) by the intermediary speech channel wireless device, the signal relay In between the location and the blind zone in the visited mobile radio frequency (f s) and the different radio frequencies (f s of the communication channel signal transmitted and received by the relay speech channel wireless device the relay speech channel radio device ') and received by the dead zone for the speech channel wireless device 83 using, also radio frequency (f c of the control channel signal transmitted and received by the relay control channel radio system the relay control channel radio unit' radio different from) A signal relay system in which a control channel wireless device (84) for a dead zone using a frequency (f c ″) transmits and receives.
制御チャネル無線装置による中継用回線を現用／予備に
二重化したことを特徴とする請求項１記載の信号中継方
式。2. The signal relay system according to claim 1, wherein a relay line for a control channel radio device for relay between the control station device and the signal relay device is duplicated for working / standby.
視情報の送受を行う監視制御部を、制御局装置と信号中
継装置間で制御チャネル信号および通話チャネル信号の
送受を行う通話制御部と分離するよう構成したことを特
徴とする請求項１または２記載の信号中継方式。3. A monitoring control unit for transmitting and receiving device monitoring information between the control station device and the signal relay device, and a call control unit for transmitting and receiving control channel signals and communication channel signals between the control station device and the signal relay device. The signal relay system according to claim 1 or 2, wherein the signal relay system is configured to be separated from the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7405594A JP3078980B2 (en) | 1994-03-18 | 1994-03-18 | Signal relay method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7405594A JP3078980B2 (en) | 1994-03-18 | 1994-03-18 | Signal relay method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07264124A true JPH07264124A (en) | 1995-10-13 |
| JP3078980B2 JP3078980B2 (en) | 2000-08-21 |
Family
ID=13536130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7405594A Expired - Fee Related JP3078980B2 (en) | 1994-03-18 | 1994-03-18 | Signal relay method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3078980B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980033165A (en) * | 1996-10-31 | 1998-07-25 | 씨. 알. 나시스 | Method and system for communicating with a remote unit of a communication system |
| US6633743B1 (en) | 1996-12-24 | 2003-10-14 | Lucent Technologies Inc. | Remote wireless communication device |
-
1994
- 1994-03-18 JP JP7405594A patent/JP3078980B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980033165A (en) * | 1996-10-31 | 1998-07-25 | 씨. 알. 나시스 | Method and system for communicating with a remote unit of a communication system |
| US6633743B1 (en) | 1996-12-24 | 2003-10-14 | Lucent Technologies Inc. | Remote wireless communication device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3078980B2 (en) | 2000-08-21 |
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