JPH0488730A - Relay station for multi-direction multiplex communication system - Google Patents
Relay station for multi-direction multiplex communication systemInfo
- Publication number
- JPH0488730A JPH0488730A JP20366690A JP20366690A JPH0488730A JP H0488730 A JPH0488730 A JP H0488730A JP 20366690 A JP20366690 A JP 20366690A JP 20366690 A JP20366690 A JP 20366690A JP H0488730 A JPH0488730 A JP H0488730A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- call processing
- station
- call
- control
- 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
- 238000004891 communication Methods 0.000 title claims description 9
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はローカル交換機の加入者線を複数の無線チャン
ネルを利用して多方向に拡張する時分割多方向多重通信
システムに関し、特に親局と子局とを接続する中継局に
関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a time-division multidirectional multiplex communication system that extends subscriber lines of a local exchange in multiple directions using a plurality of radio channels, and particularly relates to This invention relates to a relay station that connects to a slave station.
従来、この種の時分割多方向多重通信システムは、例え
ば第２図に示すように、親局ｌと複数の子局４゜〜４４
とを直接あるいは中継局３．．３゜を介して相互に接続
する構成がとられている。そして、親局１にはローカル
交換機２が接続され、子局相互の回線の交換処理を行っ
ている。なお、５１〜５．は各子局に接続された加入者
端末である。Conventionally, this type of time-division multidirectional multiplex communication system has, for example, a master station l and a plurality of slave stations 4° to 44°, as shown in FIG.
3. either directly or through a relay station. ．． A configuration is adopted in which they are interconnected through a 3° angle. A local exchange 2 is connected to the master station 1 and performs line exchange processing between the slave stations. In addition, 51-5. is a subscriber terminal connected to each slave station.
このようなシステムにおいては、例えば、中継局３□は
子局４３，４４からの受信信号をそのまま上位の中継局
３１に送信し、また上位の中継局３１からの受信信号を
そのまま子局４．．４．に送信して接続を行っている。In such a system, for example, the relay station 3□ transmits the received signals from the slave stations 43 and 44 to the higher-level relay station 31, and also transmits the received signals from the higher-level relay station 31 to the slave station 4. ．． 4. and is making a connection.
また、上位の中継局３１は子局４□を親局１に接続させ
ている。子局４１は直接親局１に接続されている。そし
て、各子局間での回線の交換処理は、親局ｌにまで信号
を伝送した上で、親局１に附属されたローカル交換機２
において行っている。Further, the upper relay station 31 connects the slave station 4□ to the master station 1. The slave station 41 is directly connected to the master station 1. The line switching process between each slave station is performed by transmitting the signal to the master station 1, and then transmitting the signal to the local exchange 2 attached to the master station 1.
It is carried out in
上述した従来の時分割多方向多重通信システムでは、中
継局は単に無線回線の中継をしているにすぎないため、
自局と上位の中継局あるいは親局との間で無線回線が断
になるような障害が発生した場合には、信号がローカル
交換機に到達されないことになり、自局装置以下の中継
局および子局が正常であるにも関わらず、−切の交換処
理ができなくなるという問題がある。In the conventional time-division multidirectional multiplex communication system described above, the relay station simply relays the wireless line;
If a failure occurs that disconnects the wireless line between your own station and a higher-level relay station or master station, the signal will not reach the local exchange, and the relay stations and slave stations below your own station will There is a problem in that even though the station is normal, the -off exchange process cannot be performed.
本発明の目的は上位の中継局あるは親局との間の回線に
障害が生じた場合でも、下位局間での交換処理を可能に
した中継局を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a relay station that enables exchange processing between lower stations even if a failure occurs in the line between the upper relay station or the master station.
（課題を解決するための手段〕
本発明の中継局は、下位の中継局および子局から送られ
てきた上り受信信号から主信号を分離する主信号分離手
段と、前記上り受信信号からダイヤリングパルス等の制
御信号を分離する制御信号分離手段と、前記上り受信信
号から発呼や着呼等を表す呼処理信号を分離する呼処理
信号分離手段と、前記制御信号分離手段と呼処理信号分
離手段の出力信号とによりスイッチ手段を制御し、かつ
制御信号と呼処理信号を出力する呼処理制御手段と、前
記主信号分離手段の出力信号を呼処理制御手段の出力信
号によって指定された無線チャンネルに接続するスイッ
チ手段と、このスイッチ手段から出力される主信号を下
り受信信号に時分割多重化する主信号多重化手段と、前
記呼処理制御手段から出力される制御信号を下り受信信
号に時分割多重化する制御信号多重化手段と、前記呼処
理制御手段から出力される呼処理信号を下り受信信号に
時分割多重化する呼処理信号多重化手段とを備えている
。(Means for Solving the Problems) A relay station of the present invention includes main signal separation means for separating a main signal from uplink reception signals sent from lower-order relay stations and slave stations, and dialing from the uplink reception signal. a control signal separating means for separating control signals such as pulses; a call processing signal separating means for separating a call processing signal representing a call origination, an incoming call, etc. from the upstream received signal; and a call processing signal separating means for separating the control signal and the call processing signal. call processing control means for controlling the switch means according to an output signal of the means and outputting a control signal and a call processing signal; a main signal multiplexing means for time-division multiplexing the main signal outputted from the switch means into a downstream received signal; The control signal multiplexing means performs division multiplexing, and the call processing signal multiplexing means performs time division multiplexing of the call processing signal outputted from the call processing control means into a downlink received signal.
〔作用］
本発明によれば、中継局は交換機能を備えることになり
、その中継局よりも上位側の回線に障害が生じた場合で
も、下位側の中継局および子局間の回線に対する交換処
理を実行することが可能となる。[Function] According to the present invention, the relay station is equipped with a switching function, so that even if a fault occurs in the line on the higher side than the relay station, the relay station on the lower side and the line between the slave station can be switched. It becomes possible to execute the process.
次に、本発明を図面を参照して説明する。 Next, the present invention will be explained with reference to the drawings.
第１図は本発明の中継局の一実施例のブロック図である
。同図において、主信号分離手段１０１は、下位の中継
局および子局から送られてきた上り受信信号１０から主
信号２１を分離する。制御信号分離手段１０２は、下位
の中継局および子局から送られてきた上り受信信号１０
からダイヤルパルス等の制御信号２２を分離する。呼処
理信号分離手段１０３は、下位の中継局および子局から
送られてきた上り受信信号工０から発呼１着呼等を表す
呼処理信号２３を分離する。FIG. 1 is a block diagram of an embodiment of a relay station of the present invention. In the figure, main signal separation means 101 separates main signal 21 from uplink received signal 10 sent from lower-order relay stations and slave stations. Control signal separation means 102 separates uplink received signals 10 sent from lower-order relay stations and slave stations.
A control signal 22 such as a dial pulse is separated from the control signal 22. The call processing signal separating means 103 separates the call processing signal 23 representing the uplink reception signal 0, the outgoing call, the incoming call, etc. sent from the lower relay station and the slave station.
また、呼処理制御手段２００は、制御信号分離手段１０
２の出力信号２２と呼処理信号分離手段１０３の出力信
号２３とにより、スイッチ回路３００の制御および制御
信号４２と、呼処理信号４３を出力する。The call processing control means 200 also controls the control signal separation means 10.
2 and the output signal 23 of the call processing signal separation means 103, a control signal 42 and a call processing signal 43 are output for controlling the switch circuit 300.
前記スイッチ回路３００は、主信号分離手段１０１の出
力信号２１を呼処理制御手段２００の出力信号３０によ
って指定された無線チャンネルに接続する。The switch circuit 300 connects the output signal 21 of the main signal separation means 101 to the radio channel specified by the output signal 30 of the call processing control means 200.
一方、主信号多重化手段４０１は、スイッチ回路３００
から出力される主信号４１を下り受信信号５１に時分割
多重化する。制御信号多重化手段４０２は、呼処理制御
手段２００から出力される制御信号４２を下り受信信号
５２に時分割多重化する。呼処理信号多重化手段４０３
は、呼処理制御手段２００から出力される呼処理信号４
３を下り受信信号５３に時分割多重化する。On the other hand, the main signal multiplexing means 401
The main signal 41 outputted from the main signal 41 is time-division multiplexed into a downstream received signal 51. The control signal multiplexing means 402 time-division multiplexes the control signal 42 output from the call processing control means 200 into a downlink received signal 52. Call processing signal multiplexing means 403
is the call processing signal 4 output from the call processing control means 200
3 is time-division multiplexed into a downstream received signal 53.
次に本発明の動作を第２図の時分割多方向多重通信シス
テムを用いて説明する。Next, the operation of the present invention will be explained using the time division multidirectional multiplex communication system shown in FIG.
いま、中継局３．と中継局３□の間で無線回線が障害に
より断となったと仮定し、子局４３に収容された加入者
端末５３から子局４４に収容された加入者端末５．に電
話をかける場合で例示する。Now, relay station 3. Assuming that the wireless line between the relay station 3 and the relay station 3□ is disconnected due to a failure, the subscriber terminal 5. An example of this is when making a phone call.
子局４３の端末５３が発呼すべくオンフックすると、中
継局３２では子局４３を通じて受信した上り信号１０か
ら呼処理信号分離回路１０３にて発呼信号が分離され、
呼処理制御部２００に送信される。呼処理制御部２００
からは発呼応答信号４３とダイヤルトーン４２が出力さ
れ、それぞれ呼処理信号多重化回路４０３および制御信
号多重化回路４０２にて下り信号に多重化されて子局４
３に送信される。発呼側の端末５３は、このダイヤルト
ーンを確認すると着呼側端末５４の加入者番号をダイヤ
ルする。When the terminal 53 of the slave station 43 goes on-hook to make a call, the relay station 32 separates the calling signal from the uplink signal 10 received through the slave station 43 in the call processing signal separation circuit 103.
It is transmitted to the call processing control unit 200. Call processing control unit 200
A call response signal 43 and a dial tone 42 are outputted from the substation 4, and are multiplexed into downstream signals by a call processing signal multiplexing circuit 403 and a control signal multiplexing circuit 402, respectively, and sent to the slave station 4.
Sent to 3. When the calling terminal 53 confirms this dial tone, it dials the subscriber number of the called terminal 54.
発呼側端末５．から送られてくるダイヤルパルスは、制
御信号分離回路１０２で電離されて呼処理制御部２００
へ送られ、呼処理制御部２００ではダイヤルパルスを解
析して着呼端末の加入者番号が自局の下位に無線接続さ
れている子局であると判断して、スイッチ回路３００を
制御し、主信号分離回路１０１で分離した発呼端末から
の受信信号と着呼側端末５４へ送信される主信号とを接
続するとともに、着呼信号４３とリンギングパルス４２
を送出し、それぞれ呼処理信号多重化回路４０３と制御
信号多重化回路４０２にて下り信号に多重化され、子局
４．に送信される。Calling terminal5. The dial pulse sent from the control signal separation circuit 102 is ionized and sent to the call processing control section 200.
The call processing control unit 200 analyzes the dial pulse and determines that the subscriber number of the called terminal is a slave station that is wirelessly connected to its own subordinate station, and controls the switch circuit 300. The received signal from the calling terminal separated by the main signal separation circuit 101 and the main signal transmitted to the called terminal 54 are connected, and the incoming call signal 43 and the ringing pulse 42
are multiplexed into downlink signals by the call processing signal multiplexing circuit 403 and the control signal multiplexing circuit 402, respectively, and sent to the slave station 4. sent to.
着呼側端末５４はリンギングを聞いてオンフックすると
端末５．と５．の間で通話が開始される。When the called terminal 54 hears the ringing and goes on-hook, terminal 5. and 5. A call is started between.
したがって、この例では仮に中継局３２と中継局３□と
の間、あるいはそれよりも上位の中継局３、と親局１と
の間の回線に障害が生じていた場合でも、中継局３２に
よって交換処理が行われることになり、子局４３，４４
にそれぞれ接続された端末５．．５．間の接続が可能と
なる。これにより、障害の生じていない端末間での通話
を確保し、通信システム全体のダメージを解消する。Therefore, in this example, even if a fault occurs in the line between relay station 32 and relay station 3 Exchange processing will be performed, and the slave stations 43 and 44
Terminals connected to 5. ．． 5. connection between the two is possible. This ensures communication between terminals that are free of failures and eliminates damage to the entire communication system.
〔発明の効果］
以上説明したように本発明は、中継局に交換機能を備え
ているため、その中継局よりも上位側の回線に障害が生
じた場合でも、中継局が交換機として機能することで下
位側の中継局および子局間の回線に対する交換処理を行
うことができるという効果がある。[Effects of the Invention] As explained above, in the present invention, since a relay station is equipped with a switching function, even if a failure occurs in a line higher than the relay station, the relay station can function as an exchange. This has the advantage that it is possible to perform switching processing for lines between lower-order relay stations and slave stations.
第１図は本発明の中継局の一実施例のブロック図、第２
図は多方向多重通信システムの構成を示すブロック図で
ある。
１・・・親局、２・・・ローカル交換機、３□、３゜・
・・中継局、４Ｉ〜４．・・・子局、５．〜５．・・・
加入者端末、１０１・・・主信号分離回路、１０２・・
・制御信号分離回路、１０３・・・呼処理信号分離回路
、２００・・・呼処理制御部、３００・・・スイッチ回
路、４０１・・・主信号多重化回路、４０２・・・制御
信号多重化回路、４０３・・・呼処理信号多重化回路。
第１図FIG. 1 is a block diagram of one embodiment of the relay station of the present invention, and FIG.
The figure is a block diagram showing the configuration of a multidirectional multiple communication system. 1... Master station, 2... Local exchange, 3□, 3゜・
...Relay station, 4I~4. ...Slave station, 5. ~5. ...
Subscriber terminal, 101... Main signal separation circuit, 102...
- Control signal separation circuit, 103... Call processing signal separation circuit, 200... Call processing control unit, 300... Switch circuit, 401... Main signal multiplexing circuit, 402... Control signal multiplexing Circuit, 403...Call processing signal multiplexing circuit. Figure 1
Claims (1)
、親局はローカル交換機と接続されるとともに前記各中
継局および子局と複数の無線チャンネルを用いて通信を
行い、中継局は複数の下位の中継局および子局と複数の
無線チャンネルを用いて通信を行い、子局は複数の加入
者局を収容する多方向多重通信システムにおいて、前記
中継局は、下位の中継局および子局から送られてきた上
り受信信号から主信号を分離する主信号分離手段と、前
記上り受信信号からダイヤリングパルス等の制御信号を
分離する制御信号分離手段と、前記上り受信信号から発
呼や着呼等を表す呼処理信号を分離する呼処理信号分離
手段と、前記制御信号分離手段と呼処理信号分離手段の
出力信号とによりスイッチ手段を制御し、かつ制御信号
と呼処理信号を出力する呼処理制御手段と、前記主信号
分離手段の出力信号を呼処理制御手段の出力信号によっ
て指定された無線チャンネルに接続するスイッチ手段と
、このスイッチ手段から出力される主信号を下り受信信
号に時分割多重化する主信号多重化手段と、前記呼処理
制御手段から出力される制御信号を下り受信信号に時分
割多重化する制御信号多重化手段と、前記呼処理制御手
段から出力される呼処理信号を下り受信信号に時分割多
重化する呼処理信号多重化手段とを備えることを特徴と
する多方向多重通信システムの中継局。1. Consisting of one master station, multiple relay stations, and slave stations, the master station is connected to a local exchange and communicates with each of the relay stations and slave stations using multiple wireless channels, and the relay station communicates with a plurality of lower-order relay stations and slave stations using a plurality of wireless channels, and the slave station accommodates a plurality of subscriber stations. a main signal separating means for separating a main signal from an uplink received signal sent from a slave station; a control signal separating means for separating a control signal such as a dialing pulse from the uplink received signal; and a call originating from the uplink received signal. a call processing signal separating means for separating a call processing signal representing an incoming call, a call processing signal, etc., and a switch means is controlled by the output signals of the control signal separating means and the call processing signal separating means, and the control signal and the call processing signal are outputted. call processing control means for connecting the output signal of the main signal separation means to a wireless channel specified by the output signal of the call processing control means; main signal multiplexing means for time-division multiplexing a control signal output from the call processing control means, control signal multiplexing means for time-division multiplexing a control signal output from the call processing control means, and a main signal multiplexing means for time-division multiplexing a control signal output from the call processing control means; 1. A relay station for a multidirectional multiplex communication system, comprising: call processing signal multiplexing means for time-division multiplexing a processed signal into a downlink received signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20366690A JP2979597B2 (en) | 1990-07-31 | 1990-07-31 | Relay station for multi-way multiplex communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20366690A JP2979597B2 (en) | 1990-07-31 | 1990-07-31 | Relay station for multi-way multiplex communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0488730A true JPH0488730A (en) | 1992-03-23 |
| JP2979597B2 JP2979597B2 (en) | 1999-11-15 |
Family
ID=16477844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20366690A Expired - Fee Related JP2979597B2 (en) | 1990-07-31 | 1990-07-31 | Relay station for multi-way multiplex communication system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2979597B2 (en) |
-
1990
- 1990-07-31 JP JP20366690A patent/JP2979597B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2979597B2 (en) | 1999-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |