JPS63187823A - Relay amplifier system - Google Patents
Relay amplifier systemInfo
- Publication number
- JPS63187823A JPS63187823A JP62018684A JP1868487A JPS63187823A JP S63187823 A JPS63187823 A JP S63187823A JP 62018684 A JP62018684 A JP 62018684A JP 1868487 A JP1868487 A JP 1868487A JP S63187823 A JPS63187823 A JP S63187823A
- Authority
- JP
- Japan
- Prior art keywords
- repeater
- tunnel
- base station
- radio waves
- waveguide
- 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
- 230000003321 amplification Effects 0.000 claims description 16
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 16
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Near-Field Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は移動体通信における中継増幅方式に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] This invention relates to a relay amplification system in mobile communication.
第３図は、自動車電話等に使用されているトンネル対策
用として利用されている従来の中継増幅方式を示す系統
図である。図において１は基地局、２はトンネル外の中
継機、３ａはこのトンネル外の中継機２の下り方向増幅
器、３ｂは同じく上シ方向増幅器である。また、４はト
ンネル内の中継機で、分波器、増幅部等の組合せにより
共通増幅方式となっておシ、５は上シ及び下りのトンネ
ル内にそれぞれ布設された漏洩同軸ケーブル（以下、Ｌ
ＣＸという）、誘導線等よシなシ、空中線と給電線の作
用をする導波線であυ、前記トンネル内の中継機４はこ
の導波線５上に適宜間隔で設置されている。さらに、６
はトンネル外の中継機２の空中線、８は基地局１の空中
線、９は移動局、１゜は上シ及び下りの両トンネルの導
波線５とトンネル外の中継機２とを接続している分配器
である。FIG. 3 is a system diagram showing a conventional relay amplification system used as a countermeasure against tunnels used in automobile telephones and the like. In the figure, 1 is a base station, 2 is a repeater outside the tunnel, 3a is a downlink amplifier of the repeater 2 outside the tunnel, and 3b is an upstream amplifier. In addition, 4 is a repeater in the tunnel, which has a common amplification system by combining a duplexer, an amplifier, etc., and 5 is a leaky coaxial cable (hereinafter referred to as L
CX) is a waveguide wire that functions as an antenna and a power supply line, such as a guide wire, and repeaters 4 in the tunnel are installed on this waveguide wire 5 at appropriate intervals. Furthermore, 6
is the antenna of the repeater 2 outside the tunnel, 8 is the antenna of the base station 1, 9 is the mobile station, and 1° is the connection between the waveguide 5 of both the upper and lower tunnels and the repeater 2 outside the tunnel. It is a distributor.
次に動作について説明する。基地局１よシ送出される下
り方向電波は基地局１の空中線８によシ輻射され、トン
ネル外の中継機２の空中線６によシ受信され、分波器を
通って下逆方向電波のみが選択され、下逆方向増幅器３
ａＫよシ増幅され分波器を通って分配器１０を通シ上シ
、下りの両トンネルに分配出力され、導波線５に供給さ
れる。Next, the operation will be explained. Downward radio waves transmitted from the base station 1 are radiated by the antenna 8 of the base station 1, received by the antenna 6 of the repeater 2 outside the tunnel, and passed through a splitter to transmit only the downward reverse direction radio waves. is selected, and the lower reverse amplifier 3
The signal is amplified by K, passes through a duplexer, is distributed to both the upper and lower tunnels through the distributor 10, and is supplied to the waveguide 5.
ここで、導波線５は前述の如（ＬＣＸ 、誘導線等で形
成されておシ、この導波線５に供給された下９方向電波
は、上シ、下りの両トンネル内に輻射されると同時にト
ンネル内の中継機４に導かれ、その増幅部にて導波線５
内を伝送され損失された量だけ増幅され、さらに下部導
波線５に向かりて送出される。このようにして送出され
た電波は下部導波線５を通ってさらに輻射されながら次
のトンネル内の中継機４に伝送され、次々に中継増幅さ
れてこの上シ及び下りのトンネル内をサービスエリアと
し、移動局９に電波を輻射する。Here, the waveguide 5 is formed of LCX, guide wire, etc. as described above, and the downward nine direction radio waves supplied to this waveguide 5 are radiated into both the upper and downward tunnels. At the same time, the waveguide 5 is guided to the repeater 4 in the tunnel, and at its amplification section, the waveguide 5
The signal is amplified by the amount lost and transmitted to the lower waveguide 5. The radio waves sent out in this way are further radiated through the lower waveguide 5 and transmitted to the repeater 4 in the next tunnel, where they are relayed and amplified one after another, making the upper and lower tunnels a service area. , radiates radio waves to the mobile station 9.
上逆方向の電波は、移動局９よシ発射され、導波線５に
結合され、下り方向電波と逆向きに伝送されてトンネル
内の中継機４に導かれ、分波器によシ増幅部に入力され
る。この増幅部によシ増幅された電波は分波器に二υ上
部導波線５に送出され、次々と中継増幅され、分配器１
０よシトンネル外の中継機２の上逆方向増幅器３ｂよシ
空中線６にて輻射され、基地局１ではこれを空中線８で
受信する。The radio waves in the upward and reverse directions are emitted from the mobile station 9, coupled to the waveguide 5, transmitted in the opposite direction to the downward radio waves, guided to the repeater 4 in the tunnel, and sent to the amplification section by the duplexer. is input. The radio waves amplified by this amplifying section are sent to the splitter to the upper waveguide 5, where they are relayed and amplified one after another, and then sent to the splitter 1.
The signal is radiated from the upper reverse amplifier 3b of the repeater 2 outside the tunnel by the antenna 6, and the base station 1 receives it by the antenna 8.
従来の中継増幅方式は以上のように構成されているので
、上逆方向電波と下逆方向電波は進行方向が逆方向とな
シ、トンネル内の中継機４等は、分波器による分波、合
成をすることが必要となるため、複雑で高価なものとな
るばかシか、このように複雑な構成となりているため故
障しやすく、また、メンテナンス等も困難なものとなる
などの問題点があった。The conventional relay amplification system is configured as described above, so the upper reverse direction radio waves and the lower reverse direction radio waves do not travel in opposite directions, and the repeater 4 etc. in the tunnel is split by a splitter. , since it requires synthesis, it becomes complicated and expensive, and because it has such a complicated configuration, it is prone to failure and maintenance is difficult. was there.
この発明は上記のような問題点を解消するためになされ
たもので、トンネル内の中継機の構成を簡略化して従来
と同等の機能の中継増幅方式を得る事を目的とする。This invention was made to solve the above-mentioned problems, and aims to simplify the configuration of a repeater in a tunnel and obtain a repeater amplification system with functions equivalent to those of the conventional method.
この発明に係る中継増幅方式は、中継機を同一方向に所
定間隔で配することで一連に接続された導波線の一方の
端部に、基地局からの下り方向電波を中継する中継機を
接続するととも罠、他方の端部に、基地局への上逆方向
電波を中継する中継機を接続したものである。The relay amplification method according to the present invention connects a repeater that relays downlink radio waves from a base station to one end of a series of waveguides that are connected in series by arranging repeaters in the same direction at predetermined intervals. At the same time, a repeater is connected to the other end of the trap, which relays the upstream and reverse radio waves to the base station.
この発明における中継増幅方式は、一連に接続された導
波線の一方の端部に下逆方向電波を中継する中継機を接
続し、他方の端部に上逆方向電波を中継する中継機を接
続することによ）、導波線内の前記上逆方向電波と下逆
方向電波の伝送方向を同一方向にし、導波線内の中継機
の複雑な分波構成を不要とする。The relay amplification method in this invention connects a repeater that relays downward reverse direction radio waves to one end of a series of connected waveguides, and connects a repeater that relays upward reverse direction radio waves to the other end. By doing so, the transmission directions of the upper and lower reverse direction radio waves in the waveguide are made to be the same, thereby eliminating the need for a complicated branching configuration of a repeater in the waveguide.
以下、この発明の一実施例を図面について説明する。第
１図において、１は基地局、２ａは下逆方向のトンネル
外の中継機、２ｂは上逆方向のトンネル外の中継機、３
ａはトンネル外の中継機２ａ内の下逆方向増幅器、３ｂ
はトンネル外の中継機２ｂ内の上り方向増幅器である。An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, 1 is a base station, 2a is a repeater outside the tunnel in the downward reverse direction, 2b is a repeater outside the tunnel in the upward reverse direction, and 3
a is the lower reverse amplifier inside the repeater 2a outside the tunnel, 3b
is an upstream amplifier inside the repeater 2b outside the tunnel.
４はトンネル内の中継機で、増幅部のみで構成されてい
る点で従来のそれとは異なりている。また、５は上シ及
び下９のトンネル内に敷設されたＬＣＸ 、誘導線等に
よる導波線であ勺、前記トンネル内の中継機４はこの導
波線５上に所定の間隔で配され、さらに、両トンネルの
出入口にて両方の導波線５を接続している。このとき、
各トンネル内の中継機４はその増幅部が全て同一方向と
なるように接続することによつて、両トンネルの導波線
５は一連のものに接続される。この一連に接続された導
波線５の前記トンネル内の中継機４の増幅部の入力端子
側には前記下逆方向のトンネル外の中継機２ａが、また
、その出力端子側には前記上逆方向のトンネル外の中継
機２ｂが接続されている。さらに、γａは基地局１より
の下り方向電波を受ける空中線、７ｂは基地局１への上
逆方向電波を輻射する空中線、８は基地局１の空中線で
あり、９は導波線５を介して前記両室波の授受を行う移
動局である。4 is a repeater in the tunnel, which is different from conventional repeaters in that it consists only of an amplifying section. Further, reference numeral 5 denotes a waveguide such as an LCX and a guide wire installed in the upper and lower tunnels, and repeaters 4 in the tunnel are arranged on the waveguide 5 at predetermined intervals. , both waveguides 5 are connected at the entrances and exits of both tunnels. At this time,
By connecting the repeaters 4 in each tunnel so that all their amplification parts are in the same direction, the waveguides 5 in both tunnels are connected in series. On the input terminal side of the amplifying section of the repeater 4 in the tunnel of the series of waveguides 5 connected in series, the repeater 2a outside the tunnel in the downward reverse direction is located on the output terminal side thereof. The relay machine 2b outside the tunnel in the direction is connected. Furthermore, γa is an antenna that receives downward radio waves from the base station 1, 7b is an antenna that radiates upward and reverse radio waves to the base station 1, 8 is an antenna of the base station 1, and 9 is an antenna that receives radio waves in the downward direction from the base station 1. This is a mobile station that transmits and receives the biventricular waves.
次に動作について説明する。基地局１の空中線８よシ送
出された下り方向′亀波は、トンネル外の中継機２ａの
空中線γａによシ受信され下逆方向電波のみ選択され下
）方向増幅器３ａによシ増幅されて導波線５に送出され
る。導波線５に供給された下逆方向電波は、下、９）ン
ネル内に輻射されると共にトンネル内の中継機４まで導
かれ、導波線５内の伝送による損失分だけ増幅され、下
部の導波路５に向けて送出される。以下同様に次々に伝
達され、下ｂトンネルの導波路５の終端部に達すると、
トンネル内の中継機４にて上、９）ンネルの導波線５に
増幅中継され、上部の導波線５に次々に伝送される。こ
れによってトンネル内全域をサービスエリアとする。Next, the operation will be explained. The down-direction wave transmitted from the antenna 8 of the base station 1 is received by the antenna γa of the repeater 2a outside the tunnel, selects only the down-reverse direction radio wave, and is amplified by the down-direction amplifier 3a. It is sent out to the waveguide 5. The lower reverse direction radio waves supplied to the waveguide 5 are radiated into the lower tunnel and guided to the repeater 4 in the tunnel, where they are amplified by the amount of loss due to transmission within the waveguide 5 and transmitted to the lower guide. It is sent out towards the wave path 5. It is transmitted one after another in the same way, and when it reaches the terminal part of the waveguide 5 of the lower b tunnel,
A repeater 4 in the tunnel amplifies and relays the signal to the waveguide 5 of the upper and lower tunnels, and the signal is successively transmitted to the upper waveguide 5. This makes the entire area inside the tunnel a service area.
また、上多方向電波は、移動局９よシ送出され、導波線
５に結合される。この導波線５に結合された上多方向電
波はトンネル内の中継機４に次々に増幅中継され、トン
ネル外の中継機２ｂの上り方向増幅器３ｂに導かれる。Further, the upper multidirectional radio waves are transmitted from the mobile station 9 and coupled to the waveguide 5. The upper multidirectional radio waves coupled to the waveguide 5 are amplified and relayed one after another to the repeater 4 inside the tunnel, and guided to the upstream amplifier 3b of the repeater 2b outside the tunnel.
トンネル外の中継機２ｂでは、下９方向の電波は終端と
し、上多方向電波のみを上り方向増幅器３ｂにて増幅し
、空中線７ｂよシ送出し、基地局１ではこれを空中線８
にて受信する。At the repeater 2b outside the tunnel, the radio waves in the lower 9 directions are terminated, and only the upper multi-directional radio waves are amplified by the upstream amplifier 3b and sent out through the antenna 7b.
Receive at.
なお、上記実施例では導波線として、空中線と給電線の
機能を兼ね備えた、ＬＣＸ、誘導線等を用いたものにつ
いて示したが、第２図に示すように空中線と給電線とを
個別に設備したものであってもよい。第２図において、
１１はトンネル内の中継機４０間を接続してｂる給電線
、１２は送信用の空中線、１３は受信用の空中線である
。基地局１から送信された下逆方向電波はトンネル外の
中継機２ａの下多方向増幅器３ａで増幅され、給電線１
１にてトンネル内の中継機４へ伝達されて、各空中線１
２よりトンネル内に輻射される。これによってトンネル
内の全域がサービスエリアとなる。また、移動局９から
の上り方向電波は最寄りの空中＠１３によって受信され
、トンネル内の中継機４よシ給電線１１を介してトンネ
ル外の中継機２ｂの上多方向増幅器３ｂで増幅され、基
地局１へ送出される。In the above embodiments, the waveguide used was an LCX, a guide wire, etc., which had both the functions of an antenna and a power feeder, but as shown in FIG. It may be something that has been done. In Figure 2,
Reference numeral 11 designates a feeder line connecting between the repeaters 40 in the tunnel, 12 a transmitting antenna, and 13 a receiving antenna. The lower reverse direction radio waves transmitted from the base station 1 are amplified by the lower multi-directional amplifier 3a of the repeater 2a outside the tunnel, and
1 to the repeater 4 in the tunnel, and each antenna 1
2 and is radiated into the tunnel. As a result, the entire area inside the tunnel becomes a service area. Further, the upstream radio wave from the mobile station 9 is received by the nearest air @ 13, and is amplified by the multidirectional amplifier 3b on the repeater 2b outside the tunnel via the feeder line 11 from the repeater 4 inside the tunnel. The signal is sent to base station 1.
また、上記実施例では上）、下りが分離されたトンネル
の場合について説明したが同一トンネルを上υと下りで
共用する場合であってもよく、上記実施例と同様の効果
を奏する。Further, in the above embodiment, a case was described in which the upper and lower tunnels are separated, but the same tunnel may be shared by the upper and lower tunnels, and the same effect as in the above embodiment can be obtained.
さらに、誘導無線等を用いたものでも対応可能である。Furthermore, it is also possible to use a method using guided radio or the like.
このシステムにおいて、もしも微弱電波の範囲内におい
てシステム構成が可能な場合には、使用周波数の近くに
パイロット周波数を常時流しておく事によって、単信方
式の無線回線の中継増幅も可能である。In this system, if the system configuration is possible within the range of weak radio waves, relay amplification of simplex wireless lines is also possible by constantly flowing a pilot frequency near the frequency used.
以上のようく、この発明に↓れば上多方向電波と下り方
向電波を導波線内を同一方向へ伝送するように構成した
ので、トンネル内中継機の分波構成が不要となシ、装置
が非常に簡単になυ、安価にシステムを構成する事がで
きるばかりか、故障もしにくくなりてメンテナンス等も
容易となるなどの効果がある。As described above, this invention has a configuration in which upper multi-directional radio waves and downstream radio waves are transmitted in the same direction within the waveguide, so there is no need for a branching configuration of an in-tunnel repeater. This has the effect of not only being able to construct a system at a low cost, but also making it less likely to break down and making maintenance easier.
第１図はこの発明の一実施例による中継増幅方式を示す
系統図、第２図はこの発明の他の実施例を示す系統図、
第３図は従来の中継増幅方式を示す系統図である。
１は基地局、２ａ、２ｂはトンネル外の中継機、４はト
ンネル内の中継機、５は導波線、９は移動局、１１は給
電線、１２は送信用の空中線、１３は受信用の空中線。
なお、図中、同一符号は同一、又は相当部分を示す。FIG. 1 is a system diagram showing a relay amplification system according to an embodiment of the present invention, FIG. 2 is a system diagram showing another embodiment of the invention,
FIG. 3 is a system diagram showing a conventional repeater amplification system. 1 is a base station, 2a and 2b are repeaters outside the tunnel, 4 is a repeater inside the tunnel, 5 is a waveguide, 9 is a mobile station, 11 is a feeder line, 12 is a transmitting antenna, and 13 is a receiving antenna. aerial line. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
ビスエリア内に輻射し、移動局からの上り方向電波を前
記導波線に結合させて基地局へ送出する移動無線通信シ
ステムの中継増幅方式において、増幅部を有する中継機
を前記導波線上に同一の方向に所定の間隔で配し、前記
中継機によって接続された一連の導波線の、前記中継機
の増幅部の入力端子に連なる端部に、前記基地局から前
記移動局への下り方向電波を中継する中継機を接続し、
前記一連の導波線の前記増幅部の出力端子に連なる端部
に、前記移動局から前記基地局への上り方向電波を中継
する中継機を接続したことを特徴とする中継増幅方式。A relay amplification method for a mobile radio communication system in which downstream radio waves from a base station are radiated into a predetermined service area using a waveguide, and upstream radio waves from a mobile station are coupled to the waveguide and sent to the base station. , a repeater having an amplifying section is arranged on the waveguide in the same direction at a predetermined interval, and an end of a series of waveguides connected by the repeater is connected to an input terminal of the amplifying section of the repeater. A repeater that relays downlink radio waves from the base station to the mobile station is connected to the part,
A relay amplification system, characterized in that a repeater for relaying upstream radio waves from the mobile station to the base station is connected to an end of the series of waveguides that is connected to an output terminal of the amplification section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62018684A JPS63187823A (en) | 1987-01-30 | 1987-01-30 | Relay amplifier system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62018684A JPS63187823A (en) | 1987-01-30 | 1987-01-30 | Relay amplifier system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63187823A true JPS63187823A (en) | 1988-08-03 |
Family
ID=11978436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62018684A Pending JPS63187823A (en) | 1987-01-30 | 1987-01-30 | Relay amplifier system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63187823A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2035775A1 (en) * | 1990-05-31 | 1993-04-16 | Sirti Spa | Repeater for telecommunications, in concrete for radiotelefonia. (Machine-translation by Google Translate, not legally binding) |
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1987
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|---|---|---|---|---|
| JPS52144418U (en) * | 1976-04-28 | 1977-11-01 | ||
| JPS52138718A (en) * | 1976-05-15 | 1977-11-19 | Kubota Ltd | Pipe joint |
| JPS57171191A (en) * | 1981-04-13 | 1982-10-21 | Hitachi Ltd | Synthetic resin pipe joint |
| JPS5932793U (en) * | 1982-08-26 | 1984-02-29 | 積水化学工業株式会社 | Synthetic resin flange joint |
| JPS5983283U (en) * | 1982-11-26 | 1984-06-05 | 株式会社光明製作所 | Flange for pipe fittings |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2035775A1 (en) * | 1990-05-31 | 1993-04-16 | Sirti Spa | Repeater for telecommunications, in concrete for radiotelefonia. (Machine-translation by Google Translate, not legally binding) |
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