JP3001204B2 - Phase adjustment device - Google Patents
Phase adjustment deviceInfo
- Publication number
- JP3001204B2 JP3001204B2 JP63248979A JP24897988A JP3001204B2 JP 3001204 B2 JP3001204 B2 JP 3001204B2 JP 63248979 A JP63248979 A JP 63248979A JP 24897988 A JP24897988 A JP 24897988A JP 3001204 B2 JP3001204 B2 JP 3001204B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- phase adjustment
- control
- station
- transmission line
- 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.)
- Expired - Fee Related
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Description
【発明の詳細な説明】 この発明は、複数の無線基地局どうしの位相調整を行
う位相調整装置に関するものである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a phase adjustment device for adjusting a phase between a plurality of radio base stations.
［従来の技術］ 従来、１つの制御局のもとに複数の無線基地局を配置
し、制御局からの制御チャンネルの情報を全無線基地局
から同一周波数で伝送するシステムがあり、このシステ
ムをある種の用途のために使用するときは隣接した無線
基地局間で位相を合わせる位相調整を行う必要があっ
た。この場合、制御局と無線基地局間の接続回線が現用
系と予備系の２回線あるデュープレックスでは運用系を
他系に切り換え待機系になった伝送路系において制御信
号のやりとりをしている。[Prior Art] Conventionally, there is a system in which a plurality of radio base stations are arranged under one control station and information of a control channel from the control station is transmitted from all the radio base stations at the same frequency. When used for certain applications, it is necessary to perform phase adjustment to match the phase between adjacent wireless base stations. In this case, in a duplex in which the connection line between the control station and the radio base station has two lines of the working system and the protection system, the control system is exchanged in the transmission line system in which the operation system is switched to another system and the system becomes the standby system.
［発明が解決しようとする課題］ しかしながら伝送路系がシンプレックスのときは運用
系を他系へ切り換えることができないために、自動位相
調整を行えないという問題を有していた。[Problems to be Solved by the Invention] However, when the transmission path system is simplex, there is a problem that automatic phase adjustment cannot be performed because the operation system cannot be switched to another system.
［課題を解決するための手段］ このような問題を解決するためにこの発明は、シンプ
レックスにおいて他系に切り換え命令が出されたときた
にも、アラムを送出しない疑似統合盤を設けたものであ
る。[Means for Solving the Problems] In order to solve such a problem, the present invention provides a pseudo-integrated board which does not transmit an alarm even when a switching command is issued to another system in a simplex. is there.
［作用］ アラムが出ないのであたかも回線が切り換えられたか
のような状態となり、自動試験が支障なく行われる。[Operation] Since no alarm is output, it is as if the line was switched, and the automatic test is performed without any trouble.
［実施例］ 図はこの発明の一実施例を示すブロック図である。図
において、１は位相調整回路、２は全無線基地局へ遅延
量測定のための信号パターンを送出する信号発生回路、
３は位相調整に使用する制御信号とその他の信号を多重
分離したり、適当な遅延を行うことが可能な信号統合盤
である。４は伝送路系の切り換え信号が供給されたとき
にアラムを送出しないようになっている疑似統合盤であ
って、信号統合盤３と疑似統合盤４とは入力端子が並列
接続されているが、疑似統合盤４の出力端子は何も接続
されず開放になっている。Embodiment FIG. 1 is a block diagram showing an embodiment of the present invention. In the figure, 1 is a phase adjustment circuit, 2 is a signal generation circuit that sends out a signal pattern for delay amount measurement to all wireless base stations,
Reference numeral 3 denotes a signal integration board capable of demultiplexing a control signal used for phase adjustment and other signals and performing an appropriate delay. Reference numeral 4 denotes a pseudo-integrated board which does not output an alarm when a switching signal of the transmission line system is supplied. The signal integrated board 3 and the pseudo-integrated board 4 have input terminals connected in parallel. The output terminal of the pseudo-integrated panel 4 is open without any connection.
５は信号統合盤３と疑似統合盤４の間で運用系の切り
換えをする制御回路、６は電波を受信する位相受信回
路、７は電波を送信する信号送信回路である。このうち
位相調整回路１〜疑似統合盤４は位相調整を自動的に行
う制御局である。Reference numeral 5 denotes a control circuit for switching the operation system between the signal integration board 3 and the pseudo integration board 4, reference numeral 6 denotes a phase reception circuit for receiving radio waves, and reference numeral 7 denotes a signal transmission circuit for transmitting radio waves. Among them, the phase adjustment circuit 1 to the pseudo-integrated board 4 are control stations that automatically perform phase adjustment.
９は下り制御信号、10は切り換え信号、11は１系の下
り信号、12は１系の上り信号、13は２系の下り信号、14
は２系の上り信号、15は切り換え信号、16は下り制御信
号、17は送信信号、18は受信信号、19は無線基地局の電
界強度を示す範囲、20は伝送路１、21は伝送路２、22は
自局の電波、23は他局（基準局）の電波である。9 is a downlink control signal, 10 is a switching signal, 11 is a 1-system downlink signal, 12 is a 1-system uplink signal, 13 is a 2-system downlink signal, 14
Is the uplink signal of the 2 system, 15 is the switching signal, 16 is the downlink control signal, 17 is the transmission signal, 18 is the reception signal, 19 is the range indicating the electric field strength of the wireless base station, 20 is the transmission line 1, and 21 is the transmission line Reference numerals 2 and 22 denote radio waves of the own station, and 23 denotes a radio wave of another station (reference station).
このように構成された装置の動作は次の通りである。
この装置において自動位相調整をするときは、制御局８
の信号統合盤3,疑似統合盤4,位相調整回路１に切り換え
信号10を供給し、無線基地局の信号統合盤3,疑似統合盤
4,制御回路５に切り換え信号16を供給する。この結果、
これらの装置は信号統合盤３から疑似統合盤４に切り換
えられる。この回線はシンプレックス回線であることか
ら、本来であれば疑似統合盤４は回線異常としてアラム
信号を送出するが、疑似統合盤４はアラム信号を送出し
ないように構成されているので、この装置全体の動作と
しては待機系に切り換えが行われたと同様の動作とな
る。The operation of the device configured as described above is as follows.
When performing automatic phase adjustment in this device, the control station 8
The switching signal 10 is supplied to the signal integration panel 3, the pseudo integration panel 4, and the phase adjustment circuit 1 of the wireless base station.
4. Supply the switching signal 16 to the control circuit 5. As a result,
These devices are switched from the signal integration board 3 to the pseudo integration board 4. Since this line is a simplex line, the pseudo-integration panel 4 normally transmits an alarm signal as a line abnormality, but the pseudo-integration panel 4 is configured not to transmit an alarm signal. Is the same operation as when switching to the standby system is performed.
そして位相調整回路１の制御によって信号発生回路２
から位相調整データである下り制御信号９が送出され、
それが信号統合盤３と疑似統合盤４の両方に供給され
る。この装置全体の動作としては恰も待機系によって試
験を行っているように見えるが、実際には信号統合盤３
を介し位相調整データが無線基地局へ伝送されることに
なる。無線基地局へ伝送された位相調整データは信号送
信回路７から相手局に伝送され、相手局で折り返された
データが位相受信回路６で受信され信号統合盤３を介し
て制御局８の位相調整回路１に供給される。ここで位相
調整回路１では下り制御信号９と上り信号12の位相差を
測定し、基準値との位相さとし、その値を制御局８の信
号統合盤３にセットし、位相調整を終了する。The signal generation circuit 2 is controlled by the phase adjustment circuit 1.
Sends down control signal 9, which is phase adjustment data,
It is supplied to both the signal integration board 3 and the pseudo integration board 4. Although the overall operation of the apparatus appears to be performing a test using a standby system, in practice, the signal integration panel 3
, The phase adjustment data is transmitted to the wireless base station. The phase adjustment data transmitted to the radio base station is transmitted from the signal transmission circuit 7 to the partner station, and the data turned back at the partner station is received by the phase reception circuit 6 and the phase adjustment of the control station 8 is performed via the signal integration board 3. Supplied to the circuit 1. Here, the phase adjustment circuit 1 measures the phase difference between the downlink control signal 9 and the uplink signal 12, sets the phase to the reference value, sets the value on the signal integration board 3 of the control station 8, and ends the phase adjustment.
［発明の効果］ 以上説明したようにこの発明は、アラムを送出しない
疑似統合盤４を設けたので、シンプレックス回線であっ
ても、あたかも待機系への切り換えが成されたと同様の
動作となり、自動的に位相調整を行うことが可能になる
という効果を有する。[Effects of the Invention] As described above, in the present invention, since the pseudo-integrated board 4 which does not send out an alarm is provided, the operation becomes the same as if the switching to the standby system is performed even with a simplex line, and the automatic operation is performed. This has the effect that phase adjustment can be performed in a targeted manner.
図はこの発明の一実施例を示すブロック図である。 １……位相調整回路、２……信号発生回路、３……信号
統合盤、４……ぎじ統合盤、５……制御回路、６……位
相受信回路、７……信号送信回路、８……制御局。FIG. 1 is a block diagram showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1 ... Phase adjustment circuit, 2 ... Signal generation circuit, 3 ... Signal integration board, 4 ... Gigi integration board, 5 ... Control circuit, 6 ... Phase reception circuit, 7 ... Signal transmission circuit, 8 ... ... Control station.
フロントページの続き 審査官 桑江 晃 (56)参考文献 特開 昭58−162139（ＪＰ，Ａ) 特開 昭61−238133（ＪＰ，Ａ) 特開 昭62−169534（ＪＰ，Ａ) 特開 昭63−232633（ＪＰ，Ａ) 特開 昭53−137601（ＪＰ，Ａ)Continuation of the front page Examiner Akira Kuwae (56) References JP-A-58-162139 (JP, A) JP-A-61-238133 (JP, A) JP-A-62-169534 (JP, A) JP-A 63 232633 (JP, A) JP-A-53-137601 (JP, A)
Claims (1)
び予備系の伝送路を介して接続された複数の無線基地局
間とに、伝送路切り換え信号に基づく現用系と予備系と
の相互切り換え、位相調整に用いる制御信号と伝送路を
介してやり取りする他の信号との多重分離、および信号
遅延量の可変制御を行う信号統合盤を、現用系および予
備系ごとにそれぞれ設け、現用系を予備系に切り換えた
後に待機側となった伝送路を介して制御局と無線基地局
との間で制御信号をやり取りすることにより各無線基地
局間の位相調整を行う位相調整装置において、 制御局と各無線基地局とを現用系の伝送路のみで接続
し、 制御局および無線基地局に設けられた予備系の信号統合
盤として、伝送路接続端が開放され、かつ位相調整時に
伝送路切り換え信号により現用系に切り換えられた場合
にアラムを送出しない擬似統合盤を備えることを特徴と
する位相調整装置。1. A control system comprising: a control station; and a plurality of radio base stations connected to the control station via a working system and a protection system transmission line. A signal integration panel for performing mutual switching, demultiplexing of a control signal used for phase adjustment and other signals exchanged via a transmission line, and variable control of a signal delay amount is provided for each of the active system and the standby system, respectively. In a phase adjustment device for performing phase adjustment between radio base stations by exchanging control signals between a control station and a radio base station via a transmission path on a standby side after switching an active system to a standby system. The control station and each wireless base station are connected only by the working transmission line, and the connection end of the transmission line is opened as a backup signal integration board provided in the control station and the wireless base station, and when the phase is adjusted. For transmission path switching signal Ri phase adjustment device, characterized in that it comprises a pseudo-integration board which does not send Alam when switched to the working system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63248979A JP3001204B2 (en) | 1988-10-04 | 1988-10-04 | Phase adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63248979A JP3001204B2 (en) | 1988-10-04 | 1988-10-04 | Phase adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0297133A JPH0297133A (en) | 1990-04-09 |
| JP3001204B2 true JP3001204B2 (en) | 2000-01-24 |
Family
ID=17186229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63248979A Expired - Fee Related JP3001204B2 (en) | 1988-10-04 | 1988-10-04 | Phase adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3001204B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7496330B2 (en) | 2004-11-17 | 2009-02-24 | Fujitsu Limited | Phase adjusting method and apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002336106A (en) * | 2001-05-15 | 2002-11-26 | Key Tranding Co Ltd | Portable mirror |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53137601A (en) * | 1977-05-06 | 1978-12-01 | Nec Corp | Phase monitor system between fixed station |
| JPS58162139A (en) * | 1982-03-23 | 1983-09-26 | Nec Corp | System for measuring phase difference |
| JPS61238133A (en) * | 1985-04-15 | 1986-10-23 | Nippon Telegr & Teleph Corp <Ntt> | Phase adjusting system |
| JP2501192B2 (en) * | 1986-01-22 | 1996-05-29 | 日本電気株式会社 | Inter-station synchronization method |
| JPS63232633A (en) * | 1987-03-20 | 1988-09-28 | Fujitsu Ltd | Transmission signal phase synchronizing and controlling system |
-
1988
- 1988-10-04 JP JP63248979A patent/JP3001204B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7496330B2 (en) | 2004-11-17 | 2009-02-24 | Fujitsu Limited | Phase adjusting method and apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0297133A (en) | 1990-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |