JPS5890833A - Radio relaying system - Google Patents
Radio relaying systemInfo
- Publication number
- JPS5890833A JPS5890833A JP18848281A JP18848281A JPS5890833A JP S5890833 A JPS5890833 A JP S5890833A JP 18848281 A JP18848281 A JP 18848281A JP 18848281 A JP18848281 A JP 18848281A JP S5890833 A JPS5890833 A JP S5890833A
- Authority
- JP
- Japan
- Prior art keywords
- channel
- base station
- communication
- mobile station
- selector
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15542—Selecting at relay station its transmit and receive resources
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、自動車電話サービスなどの移動無線通信方式
において、基地局と移動局間に介在して、弱電界地域を
救済する目的で用いられるブースタ無線中継装置に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a booster radio relay device used for the purpose of relieving weak electric field areas by intervening between a base station and a mobile station in a mobile radio communication system such as a car telephone service. be.
従来この種の中継装置の一例として、基地局よシ発射さ
れる全ての電波を共通増幅して無差別に中継する共通増
幅中継が用いられていた。Conventionally, as an example of this type of relay device, a common amplification relay has been used in which all radio waves emitted from a base station are commonly amplified and relayed indiscriminately.
この場合、基地局サービスエリアに存在する移動局に対
する電波をも含めて同時に共通増幅するため、増幅器の
非線形特性による相互変調歪を発生する欠点があり、高
出力中継装置の実現が困難であった。In this case, since the radio waves for mobile stations existing in the base station service area are also commonly amplified at the same time, there is a drawback that intermodulation distortion occurs due to the nonlinear characteristics of the amplifier, making it difficult to realize a high-output repeater. .
そしてこの相互変調歪を回避する必要がある場合には、
真に中継を必要とする電波のみを増幅するために基地局
にチャネル決定用制御装置を設け、別途有線伝送路を用
いて増幅中継すべきチャネル情報を基地局からもらい受
けて個別増幅する構成が用いられていた。この構成では
有線伝送路や制御装置が必要であるなどの欠点があった
。And if it is necessary to avoid this intermodulation distortion,
In order to amplify only the radio waves that truly need to be relayed, the base station is equipped with a control device for determining channels, and a separate wired transmission line is used to receive channel information from the base station and amplify it individually. It was used. This configuration has drawbacks such as the need for a wired transmission line and a control device.
本発明は、基地局から移動局に向けて発射されるチャネ
ル指定情報を含んだ電波を中継局で傍受することにより
、該移動局が中継局エリアに存在する場合には中継を必
要とするチャネルを検出し、そのチャネルの信号のみを
増幅中継可能なようにすることを特徴とし、その目的は
基−局との制御線を廃して簡略な構成で中継を必要とす
る電波のみを効率よく中継するブースタ無線中継装置を
実現することにある。The present invention enables a relay station to intercept radio waves containing channel designation information emitted from a base station toward a mobile station, and thereby identify a channel that requires relaying when the mobile station is in the relay station area. It is characterized by detecting the signal of that channel and making it possible to amplify and relay only the signal of that channel.The purpose is to eliminate the control line with the base station and efficiently relay only the radio waves that require relaying with a simple configuration. The object of the present invention is to realize a booster wireless relay device.
以下図面について詳細に説明する。The drawings will be explained in detail below.
第１図は本発明の一実施例であって、１は対基地局アン
テナ、２．２’は下りチャネル選択器、３は制御装置、
４＊４’ｎ下シチャネル中継増幅器、５は対移動局アン
テナ、６は下シチャネル制御信号復調器、７．７’は上
シチャネル選択器、８．８’は上りチャネル中継増幅器
、９は上シチャネル制御信号復調器である。FIG. 1 shows an embodiment of the present invention, in which 1 is an antenna for a base station, 2.2' is a downlink channel selector, 3 is a control device,
4*4'n lower channel relay amplifier, 5 is antenna for mobile station, 6 is lower channel control signal demodulator, 7.7' is upper channel selector, 8.8' is up channel relay amplifier, 9 is upper channel It is a control signal demodulator.
ここでｌ王ｂ−とは、移動局から基地局へ向うことを指
し“下シ“とけ基地局から移動局へ向うことを指すもの
とする。又、着呼とは基地局が移動局を呼び出す場合、
発呼とは移動局が基地局を呼び出す場合を指す。Here, "l" and "b-" refer to going from the mobile station to the base station, and "down" refers to going from the base station to the mobile station. Also, an incoming call is when a base station calls a mobile station.
A call refers to a case where a mobile station calls a base station.
これの動作を説明すれば以下の如くである。The operation of this will be explained as follows.
対基地局アンテナ１は、基地局よシ発射される全てのチ
ャネルの電波を受信し、下）チャネル選択器２及び同２
′に入力する。下シチャネル選択缶２′は皺入力のうち
−チャネルのみを通過させる機能を有し、通過させるチ
ャネルの選択祉制御装置３によ多制御される。下りチャ
ネル選択器２′を通過したチャネルは、下シチャネル中
継増幅器４′にて増幅し、対移動局アンテナ５を介して
中継サービスエリアに中継発射する。The base station antenna 1 receives radio waves of all channels emitted from the base station, and
’. The lower channel selection can 2' has a function of passing only the - channel of the wrinkle input, and is controlled by the selection control device 3 of the channel to be passed. The channel that has passed through the downlink channel selector 2' is amplified by a downlink channel relay amplifier 4', and relayed to the relay service area via the mobile station antenna 5.
また、下シチャネル選択器２は、該入力のうち基地局か
ら移動局への通話交信チャネル指定情報を含むチャネル
のみを通過させる機能を有し、該チャネルを二分し一方
を下シチャネル中継増幅器４にて増幅し、対移動局アン
テナ５を介して中継サービスエリアに中継発射し、他方
を下シチャネル制御信号復調器６にて復調し、復調出力
たる通話交信チャネル指定情報を制御装置３に入力する
。Further, the lower channel selector 2 has a function of passing only the channel containing the communication channel designation information from the base station to the mobile station among the inputs, and divides the channel into two and sends one side to the lower channel relay amplifier 4. The received signal is amplified and relayed to the relay service area via the mobile station antenna 5, and the other signal is demodulated by the lower channel control signal demodulator 6, and the demodulated output, which is call communication channel designation information, is input to the control device 3.
一方、対移動局アンテナ５は、移動局よシ発射される全
てのチャネルの電波を受信し、上りチャネル選択器７及
び同７′に入力する０上シチャネル選択器７′は該入力
のうち−チャネルのみ通過させる機能を有し、通過させ
るチャネルの選択は制御装置３により制御される０上り
チャネル選択器７′を通過したチャネルは、上シチャネ
ル中継増幅器８′にて増幅し、対基地局アンテナ１を介
して基地局に向は中継発射する。On the other hand, the mobile station antenna 5 receives radio waves of all channels emitted from the mobile station, and the uplink channel selector 7' inputs the radio waves to the uplink channel selector 7 and uplink channel selector 7'. It has a function of passing only channels, and the selection of the channels to be passed is controlled by the control device 3. The channels that have passed through the uplink channel selector 7' are amplified by the uplink channel relay amplifier 8' and sent to the base station antenna. The signal is relayed to the base station via 1.
また、上シチャネル選択器７ｔｉ、該入力のうち移動局
から基地局への通話交信チャネル指定要求情報を含むチ
ャネルのみ通過させる機能を有し、骸チャネルを二分し
一方を上シチャネル中継増幅器８にて増幅し、対基地局
アンテナ１を介して基地局に向は中継発射し、他方を上
シチャネル制御信号復調器９にて復調し、復調出力たる
通話交信チャネル指定要求情報を制御装置３に入力する
。In addition, the upper channel selector 7ti has a function of passing only the channel containing the call communication channel designation request information from the mobile station to the base station among the inputs, and divides the bulk channel into two and sends one side to the upper channel relay amplifier 8. The signal is amplified and relayed to the base station via the base station antenna 1, and the other signal is demodulated by the upper channel control signal demodulator 9, and the demodulated output, which is call communication channel designation request information, is input to the control device 3. .
上記の如く、下りチャネル制御信号復調器６及び上りチ
ャネル制御信号復調器９の復調出力として得られる交信
チャネルの設定に係る二種の情報即ち基地局からのチャ
ネル指定信号及び移動局からのチャネル指定要求信号を
基に制御装置３は以下の如く下多チャネル選択器２′及
び上りチャネル選択器７′を制御駆動する。即ち下シチ
ャネル中継増幅器４１及び上シチャネル中継増幅器８′
にて中継すべき移動局の有無に関しては、発呼の場合に
は中継サービスエリア内の移動局が発射する電波に基づ
く復調出力が上υチャネル制御信号復調器９に生じたこ
とをもって判定し、該復調出力の伝達を受けて制御装置
３は該空調出力の生じたチャネルに対応する基地局側か
らのチャネル指定信号を下シチャネル制御信号復調器６
の復調出力中より検索し、誼チャネル指定信号に含まれ
るチャネル番号の電波を中継するよう下りチャネル選択
器２′及び上シチャネル選択器７′を駆動する。As mentioned above, there are two types of information related to communication channel settings obtained as demodulated outputs of the downlink channel control signal demodulator 6 and uplink channel control signal demodulator 9, namely, the channel designation signal from the base station and the channel designation from the mobile station. Based on the request signal, the control device 3 controls and drives the lower multi-channel selector 2' and the upstream channel selector 7' as follows. That is, the lower channel relay amplifier 41 and the upper channel relay amplifier 8'
Regarding the presence or absence of a mobile station to be relayed at, in the case of a call, it is determined that a demodulated output based on radio waves emitted by a mobile station within the relay service area is generated in the upper υ channel control signal demodulator 9, Upon receiving the demodulated output, the control device 3 transmits a channel designation signal from the base station corresponding to the channel where the air conditioning output occurs to the channel control signal demodulator 6.
The downstream channel selector 2' and the upstream channel selector 7' are driven to search the demodulated output of the channel number and relay the radio wave corresponding to the channel number included in the desired channel designation signal.
を九着呼の場合には、基地局の発射するチャネル指定情
報を含む電波を傍受し、これを下シチャネル制御信号復
調器６で復調し、制御装置３−は、骸復調出力に基づき
下シチャネル選択器２′及び上りチャネル選択器７′を
指定チャネルに設定するよう駆動する。In the case of an incoming call, the radio wave containing the channel designation information emitted by the base station is intercepted and demodulated by the lower channel control signal demodulator 6, and the control device 3- then outputs the lower channel control signal based on the demodulated output. The selector 2' and the upstream channel selector 7' are driven to set the designated channel.
チャネル設定方式によっては、移動局からの呼応信号を
傍受しこれと基地局からの指定信号の両者に基づいて、
下シチャネル選択器２′及び上シチャネル選択器７′を
指定チャネルに設定してもよい。Depending on the channel setting method, the response signal from the mobile station is intercepted and based on both this and the specified signal from the base station,
The lower channel selector 2' and the upper channel selector 7' may be set to the designated channel.
尚、下シチャネル選択器２′、下シチャネル中継増幅器
４′及び上ヤチャネル選択器７′、上シチャネル中継増
幅器８′によシ成る一対のチャネル可変形中継増幅器は
、中継すべきチャネルの数（移動局の数）に応じて複数
組設置することも可能である。A pair of variable channel repeating amplifiers consisting of a lower channel selector 2', a lower channel repeating amplifier 4', an upper channel selector 7', and an upper channel repeating amplifier 8' are used to It is also possible to install multiple sets depending on the number of stations.
更に、下シチャネル選択器２、下シチャネル中継増幅器
４及び上シチャネル選択器７、上りチャネル中継増幅器
８を第２図の実施例に示す如く結線し、交信開始時のチ
ャネル設定に必要な情報の中継を完了した時点で制御装
置３の制御を開始するようにし、下りチャネル選択器２
下りチャネル中継増幅器４及び上少チャネル選択器７、
上りチャネル中継増幅器８を通話交信チャネルとして使
用するよう制御することも可能である。Further, the lower channel selector 2, the lower channel relay amplifier 4, the upper channel selector 7, and the up channel relay amplifier 8 are connected as shown in the embodiment of FIG. 2 to relay information necessary for channel setting at the start of communication. The control device 3 starts controlling the downlink channel selector 2 when the
Down channel relay amplifier 4 and upper/lower channel selector 7,
It is also possible to control the upstream channel relay amplifier 8 to be used as a communication channel.
以上説明したように本発明によれば、中継を必要とする
チャネルをブースタ無線局自身で自己識別することが可
能になるため、チャネル毎の個別増幅による高出力中継
装置の実現と有線伝送路、基地局制御装置の廃止、とが
可能になり、自動車電話サービスなどの不感地救済やサ
ービスゾーンの補完用ブースタ中継装置の経済的設置等
が可能となる利点を有する。As explained above, according to the present invention, it becomes possible for the booster radio station itself to self-identify channels that require relaying, so it is possible to realize a high-output relay device by individual amplification for each channel, and to realize a wired transmission line. This has the advantage that it becomes possible to abolish base station control equipment, and it becomes possible to repair dead areas such as car telephone services and to economically install booster relay equipment for supplementing service zones.
第１図は本発明の一実施例、第２図は他の実施例である
。FIG. 1 shows one embodiment of the present invention, and FIG. 2 shows another embodiment.
Claims (1)
方式の基地局と該基地局のサービスエリア外に存在する
移動局との通話を中継する中−装置において、通話交信
用チャネル設定の丸めに基地局と移動局との間で交信さ
れる電波を傍受し、これを増幅し再び空中線から発射す
る系統中の下シチャネル中継増幅器の入力側には基地局
から発射される電波のうち通話交信チャネル指定情報を
含む電波の傍受信号のみを通過させるよう設定された下
りチャネル選択器を設け、上シチャネル中継増幅器の入
力側には移動局から発射される電波のうち通話交信チャ
ネル指定要求情報を含む電波の傍受信号のみを通過させ
るよう設定された上りチャネル撰択器を設け、通話系統
の下υチャネル中継増幅器の入力側には下りチャネル選
択器を、上りチャネル中継増幅器の入力側には上９チャ
ネル選択器をそれぞれ設け、上記通話交信用チャネル設
定のための交、消電波を傍受した受信信号から基地局か
らの通話交信チャネル指定情報、発呼の場合の移動局か
らの通話交信チャネル指定要求情報及び中継を必要とす
る移動局の識別情報を検出し、これらの情報に基づき前
記通話用の下シチャネル中継増幅器、上シチャネル中継
増幅器の各入力側に設けられた下りチャネル選択器及び
上シチャネル選択器を基地局か指定する通話交信チャネ
ルに設定することを特徴とする特許In a medium-sized device that relays calls between a base station of a mobile radio communication system including a base station and multiple affiliated mobile stations and a mobile station existing outside the service area of the base station, rounding of channel settings for call communication is required. The input side of the lower channel relay amplifier in the system intercepts the radio waves communicated between the base station and the mobile station, amplifies them, and emits them again from the antenna. A downlink channel selector is provided that is set to pass only intercepted signals of radio waves containing designation information, and on the input side of the upstream channel relay amplifier, radio waves that include the communication channel designation request information among the radio waves emitted from the mobile station are provided. An uplink channel selector is installed on the input side of the lower υ channel relay amplifier of the communications system, and the upper 9 channel selector is set on the input side of the uplink channel relay amplifier. A selector is provided in each case, and from the reception signal intercepted the communication and dissipation waves for setting the communication channel, the communication channel designation information from the base station and the communication channel designation request information from the mobile station in the case of a call origination are obtained. and the identification information of the mobile station that requires relaying, and based on this information, a downlink channel selector and an uplink channel selector provided at each input side of the lower channel relay amplifier and the upper channel relay amplifier for communication. A patent characterized in that the communication channel is set to a communication channel specified by a base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18848281A JPS5890833A (en) | 1981-11-26 | 1981-11-26 | Radio relaying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18848281A JPS5890833A (en) | 1981-11-26 | 1981-11-26 | Radio relaying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5890833A true JPS5890833A (en) | 1983-05-30 |
Family
ID=16224497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18848281A Pending JPS5890833A (en) | 1981-11-26 | 1981-11-26 | Radio relaying system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5890833A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6319925A (en) * | 1986-07-14 | 1988-01-27 | Nippon Telegr & Teleph Corp <Ntt> | Radio repeating installation |
| EP1547276A4 (en) * | 2002-09-30 | 2006-11-02 | Science Applic Int Corp | Method and system for a channel selective repeater with capacity enhancement in a spread-spectrum wireless network |
| US7535867B1 (en) | 2001-02-02 | 2009-05-19 | Science Applications International Corporation | Method and system for a remote downlink transmitter for increasing the capacity and downlink capability of a multiple access interference limited spread-spectrum wireless network |
-
1981
- 1981-11-26 JP JP18848281A patent/JPS5890833A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6319925A (en) * | 1986-07-14 | 1988-01-27 | Nippon Telegr & Teleph Corp <Ntt> | Radio repeating installation |
| US7535867B1 (en) | 2001-02-02 | 2009-05-19 | Science Applications International Corporation | Method and system for a remote downlink transmitter for increasing the capacity and downlink capability of a multiple access interference limited spread-spectrum wireless network |
| EP1547276A4 (en) * | 2002-09-30 | 2006-11-02 | Science Applic Int Corp | Method and system for a channel selective repeater with capacity enhancement in a spread-spectrum wireless network |
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