JP2003143144A - Transmission system and method for detecting delay amount of signal propagation - Google Patents
Transmission system and method for detecting delay amount of signal propagationInfo
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- JP2003143144A JP2003143144A JP2001336545A JP2001336545A JP2003143144A JP 2003143144 A JP2003143144 A JP 2003143144A JP 2001336545 A JP2001336545 A JP 2001336545A JP 2001336545 A JP2001336545 A JP 2001336545A JP 2003143144 A JP2003143144 A JP 2003143144A
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- Prior art keywords
- delay amount
- propagation delay
- signal
- terminal
- test signal
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は論理的伝送路を介し
て接続される端局装置相互間の信号伝搬遅延量を検出す
る伝送装置およびその信号伝搬遅延量検出方法に係り、
特に端局装置に端末装置を接続した状態で信号伝搬遅延
量を検出する伝送装置およびその信号伝搬遅延量検出方
法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transmission device for detecting a signal propagation delay amount between terminal equipments connected via a logical transmission path and a signal propagation delay amount detection method thereof.
In particular, the present invention relates to a transmission device that detects a signal propagation delay amount with a terminal device connected to a terminal device, and a signal propagation delay amount detection method thereof.
【０００２】[0002]
【従来の技術】従来の伝送装置において、端局装置間の
信号伝搬遅延量を検出する場合、一方の端局装置に接続
される端末装置を外し、端末装置に代えて試験信号発生
器および伝搬遅延量測定器を接続して試験信号を論理的
伝送路に出力し、試験信号と他方の端局装置で試験信号
が折り返されてくる折返し信号とを伝搬遅延量測定器に
取り込んで、端局装置間の論理的伝送路の信号伝搬遅延
量を測定するように構成されたものが知られている。2. Description of the Related Art In a conventional transmission apparatus, when a signal propagation delay amount between terminal equipments is detected, a terminal equipment connected to one terminal equipment is removed and a test signal generator and a propagation are used instead of the terminal equipment. Connect the delay amount measuring device to output the test signal to the logical transmission line, and take in the test signal and the return signal at which the test signal is returned at the other terminal device into the propagation delay amount measuring device, There is known one configured to measure a signal propagation delay amount of a logical transmission path between devices.
【０００３】図４に従来の伝送装置の信号伝搬遅延量測
定における要部ブロック構成図を示す。図４において、
伝送装置５０は、網監視制御装置５１と、端末装置５９
を収容する端局装置５２と、端末装置６０を収容する端
局装置５３と、端局装置５２と端局装置５３を接続する
論理的伝送路Ｌとから構成する。なお、端局装置は、端
局装置５２と端局装置５３の２個の例を示しているが、
一般的に３個以上の任意数で構成される。FIG. 4 shows a block diagram of a main part in measuring a signal propagation delay amount of a conventional transmission device. In FIG.
The transmission device 50 includes a network monitoring control device 51 and a terminal device 59.
The terminal device 52 that accommodates the terminal device 60, the terminal device 53 that accommodates the terminal device 60, and the logical transmission path L that connects the terminal device 52 and the terminal device 53. In addition, although the terminal device shows two examples of the terminal device 52 and the terminal device 53,
Generally, it is composed of an arbitrary number of 3 or more.
【０００４】網監視制御装置５１は、制御指令を端局装
置５２，５３に供給し、端局装置５２，５３間に論理的
伝送路（パス）Ｌを設定し、端末装置５９と端末装置６
０とに通信回線を提供する。The network monitoring control device 51 supplies a control command to the terminal devices 52 and 53, sets a logical transmission path (path) L between the terminal devices 52 and 53, and sets the terminal device 59 and the terminal device 6.
0 and a communication line are provided.
【０００５】端局装置５２，５３は、端末装置５９，６
０とのインタフェースを取る端末インタフェース（Ｉ／
Ｆ）部５３，５８と、網監視制御装置５１から供給され
る制御信号ＣSにより、相手端局装置５３，５２から伝
送される試験信号ＳTを折り返す折返し部５４，５７
と、回線の多重、分離を行なう多重分離部５５，５６と
から構成される。The terminal devices 52 and 53 are terminal devices 59 and 6, respectively.
Terminal interface (I /
F) Folding units 54 and 57 for returning the test signal ST transmitted from the partner terminal device 53 or 52 by the control signal CS supplied from the units 53 and 58 and the network monitoring control device 51.
And demultiplexing units 55 and 56 for multiplexing and demultiplexing lines.
【０００６】端局装置５２と端局装置５３との間の信号
伝搬遅延量を測定する場合、端局装置５２の端子Ａ1，
Ａ2間に接続されている端末装置５９を外し、端子Ａ1に
試験信号発生器６１を接続し、端子Ａ2に伝搬遅延量測
定器６２を接続する。When measuring the signal propagation delay amount between the terminal equipment 52 and the terminal equipment 53, the terminal A1 of the terminal equipment 52,
The terminal device 59 connected between A2 is removed, the test signal generator 61 is connected to the terminal A1, and the propagation delay amount measuring device 62 is connected to the terminal A2.
【０００７】次に、網監視制御装置５１から端局装置５
３の折返し部５７に制御信号ＣSを供給し、スイッチｓ
ｗｂを動作させて信号線を短絡状態にする。Next, the network monitoring control device 51 to the terminal device 5
The control signal CS is supplied to the turn-back section 57 of 3 and the switch s
The wb is operated to put the signal line in a short-circuited state.
【０００８】続いて、試験信号発生器６１から試験信号
ＳTを出力すると、端子Ａ1→端局装置５２→論理的伝送
路Ｌ→端局装置５３の経路で伝送される試験信号ＳTが
端局装置５３の折返し部５７で折り返され、端局装置５
３→論理的伝送路Ｌ→端局装置５２→端子Ａ2の経路で
折返し信号ＳOとして戻されてくる。Subsequently, when the test signal ST is output from the test signal generator 61, the test signal ST transmitted through the route of terminal A1 → terminal station device 52 → logical transmission line L → terminal station device 53 is transmitted to the terminal station device. The terminal device 5 is folded back at the folding part 57 of 53.
It is returned as a return signal SO through the route of 3 → logical transmission line L → terminal device 52 → terminal A2.
【０００９】験信号ＳTと折返し信号ＳOを伝搬遅延量測
定器６２に取り込み、試験信号ＳTと折返し信号ＳOの位
相差から端局装置５２と端局装置５３の間の論理的伝送
路Ｌによる信号伝搬遅延量が測定される。The test signal ST and the return signal SO are taken into the propagation delay amount measuring device 62, and the signal by the logical transmission line L between the terminal equipment 52 and the terminal equipment 53 is obtained from the phase difference between the test signal ST and the return signal SO. The amount of propagation delay is measured.
【００１０】[0010]
【発明が解決しようとする課題】従来の伝送装置５０
は、端局装置５２，５３間の信号伝搬遅延量を測定する
場合、一方の端局装置５２に接続されている端末装置５
９を取り外し、試験信号発生器６１や伝搬遅延量測定器
６２を接続して試験を行なうため、対象となる端局装置
（図４では端局装置５２）が設置されている場所に赴
き、試験系の構築、試験信号ＳTの出力および信号伝搬
遅延量の測定を全て手作業で行なわなければならず、多
くの時間と作業工数が必要となり、信号伝搬遅延量の測
定を効率的に実行できない課題がある。Conventional transmission device 50
When measuring the signal propagation delay amount between the terminal devices 52 and 53, the terminal device 5 connected to one terminal device 52
9 is removed and the test signal generator 61 and the propagation delay amount measuring device 62 are connected to perform the test. Therefore, go to the place where the target terminal device (terminal device 52 in FIG. 4) is installed and perform the test. The construction of the system, the output of the test signal ST, and the measurement of the signal propagation delay amount must all be done manually, which requires a lot of time and work man-hours, which makes it impossible to efficiently measure the signal propagation delay amount. There is.
【００１１】この発明はこのような課題を解決するため
になされたもので、その目的は遠隔制御により、端局装
置相互間の信号伝搬遅延量の検出を自動的、かつ効率的
に実行できる伝送装置およびその信号伝搬遅延量検出方
法を提供することにある。The present invention has been made in order to solve such a problem, and its object is to perform transmission capable of automatically and efficiently detecting a signal propagation delay amount between terminal equipments by remote control. An object of the present invention is to provide an apparatus and a signal propagation delay amount detection method thereof.
【００１２】[0012]
【課題を解決するための手段】前記課題を解決するため
この発明に係る伝送装置は、論理的伝送路を介して接続
された複数の端局装置と、ネットワークを監視する網監
視制御装置と、各端局装置に接続される端末装置とから
なる伝送装置において、各端局装置は、網監視制御装置
の遠隔制御により、端局装置相互間の信号伝搬遅延量を
検出する伝搬遅延量測定手段を備えたことを特徴とす
る。In order to solve the above problems, a transmission device according to the present invention comprises a plurality of terminal devices connected via logical transmission paths, a network monitoring control device for monitoring a network, In a transmission device including a terminal device connected to each terminal device, each terminal device detects a signal propagation delay amount between the terminal devices by remote control of a network supervisory control device. It is characterized by having.
【００１３】この発明に係る伝送装置は、網監視制御装
置の遠隔制御により、端局装置相互間の信号伝搬遅延量
を検出する伝搬遅延量測定手段を備えたので、任意の端
局装置間の信号伝搬遅延量を自動的に検出してデータを
収集することができ、効率的な自動測定を実現すること
ができる。Since the transmission device according to the present invention is provided with the propagation delay amount measuring means for detecting the signal propagation delay amount between the terminal devices by remote control of the network supervisory control device, the transmission device between arbitrary terminal devices is The signal propagation delay amount can be automatically detected and data can be collected, and efficient automatic measurement can be realized.
【００１４】また、この発明に係る伝搬遅延量測定手段
は、試験信号を論理的伝送路に出力する試験信号発生手
段と、試験信号と他の端局装置で試験信号が折り返され
た折返し信号に基づいて信号伝搬遅延量を検出する伝搬
遅延量検出手段と、他の端局装置からの試験信号を折り
返す信号折返し手段と、信号伝搬遅延量の測定時に試験
信号発生手段および伝搬遅延量検出手段を論理的伝送路
に自動挿入する切替手段とを備えたことを特徴とする。Further, the propagation delay amount measuring means according to the present invention includes a test signal generating means for outputting a test signal to a logical transmission line, and a test signal and a return signal in which the test signal is returned by another terminal device. Propagation delay amount detecting means for detecting the signal propagation delay amount based on the signal delay means for returning the test signal from the other terminal equipment, test signal generating means and propagation delay amount detecting means at the time of measuring the signal propagation delay amount. And a switching means for automatically inserting into the logical transmission path.
【００１５】この発明に係る伝搬遅延量測定手段は、端
末装置を接続した状態で、試験信号を論理的伝送路に出
力し、相手端局装置で試験信号が折り返された折返し信
号を取り込み、試験信号と折返し信号に基づいて信号伝
搬遅延量を検出するので、信号伝搬遅延量を自動的に検
出してデータを収集することができ、効率的な自動測定
を実現することができる。The propagation delay amount measuring means according to the present invention outputs the test signal to the logical transmission line in a state where the terminal device is connected, takes in the return signal obtained by returning the test signal at the partner terminal device, and performs the test. Since the signal propagation delay amount is detected based on the signal and the return signal, the signal propagation delay amount can be automatically detected and data can be collected, and efficient automatic measurement can be realized.
【００１６】さらに、この発明に係る伝搬遅延量検出手
段は、試験信号と折返し信号との位相差に基づいて信号
伝搬遅延量を検出することを特徴とする。Further, the propagation delay amount detecting means according to the present invention is characterized by detecting the signal propagation delay amount based on the phase difference between the test signal and the return signal.
【００１７】この発明に係る伝搬遅延量検出手段は、試
験信号と折返し信号との位相差に基づいて信号伝搬遅延
量を検出するので、正確な信号伝搬遅延量を検出するこ
とができる。Since the propagation delay amount detecting means according to the present invention detects the signal propagation delay amount based on the phase difference between the test signal and the return signal, it is possible to accurately detect the signal propagation delay amount.
【００１８】また、この発明に係る伝搬遅延量検出手段
は、検出した信号伝搬遅延量を網監視制御装置に伝送す
ることを特徴とする。Further, the propagation delay amount detecting means according to the present invention is characterized by transmitting the detected signal propagation delay amount to the network monitoring control device.
【００１９】この発明に係る伝搬遅延量検出手段は、検
出した信号伝搬遅延量を網監視制御装置に伝送するの
で、網監視制御装置に任意の端局装置間の信号伝搬遅延
量データを一括して集中管理することができ、管理の効
率化ならびに利便性の向上を図ることができる。Since the propagation delay amount detecting means according to the present invention transmits the detected signal propagation delay amount to the network monitoring control device, the network monitoring control device collectively stores the signal propagation delay amount data between arbitrary terminal station devices. Centralized management can be performed, and management efficiency and convenience can be improved.
【００２０】さらに、この発明に係る伝送装置の信号伝
搬遅延量検出方法は、論理的伝送路を介して接続された
複数の端局装置と、ネットワークを監視する網監視制御
装置と、各端局装置に接続される端末装置とからなる伝
送装置の信号伝搬遅延量検出方法であって、遠隔制御に
より論理的伝送路に試験系を自動挿入するステップ１
と、試験信号を論理的伝送路に出力するステップ２と、
検出対象とする論理的伝送路端で試験信号を折り返すス
テップ３と、出力した試験信号と折返し信号の位相差か
ら信号伝搬遅延量を検出するステップ４と、検出した信
号伝搬遅延量を伝送するステップ５とを備え、端局装置
に端末装置を接続した状態で信号伝搬遅延量を検出する
ことを特徴とする。Further, a signal propagation delay amount detecting method for a transmission device according to the present invention is a plurality of terminal station devices connected via a logical transmission path, a network monitoring control device for monitoring a network, and each terminal station. A method for detecting a signal propagation delay amount of a transmission device comprising a terminal device connected to the device, wherein a test system is automatically inserted into a logical transmission line by remote control.
And step 2 of outputting the test signal to the logical transmission line,
Step 3 of returning the test signal at the end of the logical transmission path to be detected, step 4 of detecting the signal propagation delay amount from the phase difference between the output test signal and the return signal, and step of transmitting the detected signal propagation delay amount. 5 is provided, and the signal propagation delay amount is detected in a state in which the terminal device is connected to the terminal device.
【００２１】この発明に係る伝送装置の信号伝搬遅延量
検出方法は、遠隔制御により論理的伝送路に試験系を自
動挿入するステップ１と、試験信号を論理的伝送路に出
力するステップ２と、検出対象とする論理的伝送路端で
試験信号を折り返すステップ３と、出力した試験信号と
折返し信号の位相差から信号伝搬遅延量を検出するステ
ップ４と、検出した信号伝搬遅延量を伝送するステップ
５とを備えたので、端末装置の接続を外す等の装置の運
用形態を変えることなく、遠隔操作により自動的に信号
伝搬遅延量を検出することができ、効率性ならびに利便
性の向上を図ることができる。A signal propagation delay amount detecting method for a transmission device according to the present invention comprises a step 1 of automatically inserting a test system into a logical transmission line by remote control, and a step 2 of outputting a test signal to the logical transmission line. Step 3 of returning the test signal at the end of the logical transmission path to be detected, step 4 of detecting the signal propagation delay amount from the phase difference between the output test signal and the return signal, and step of transmitting the detected signal propagation delay amount. 5, the signal propagation delay amount can be automatically detected by remote operation without changing the operation mode of the device such as disconnecting the terminal device, thereby improving efficiency and convenience. be able to.
【００２２】[0022]
【発明の実施の形態】以下、この発明の実施の形態を添
付図面に基づいて説明する。図１はこの発明に係る伝送
装置の実施の形態全体構成図である。なお、本発明は各
端局装置に、任意の端局装置間の信号伝搬遅延量を検出
する試験系（伝搬遅延量測定手段）を備え、網監視制御
装置からの遠隔制御により、端局装置から端末装置を外
すことなく、試験系（伝搬遅延量測定手段）を論理的伝
送路に挿入し、自動的に信号伝搬遅延量を検出すること
ができるものである。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is an overall configuration diagram of an embodiment of a transmission apparatus according to the present invention. According to the present invention, each terminal device is provided with a test system (propagation delay amount measuring means) for detecting a signal propagation delay amount between arbitrary terminal devices, and the terminal device is remotely controlled by the network monitoring control device. It is possible to automatically detect a signal propagation delay amount by inserting a test system (propagation delay amount measuring means) into a logical transmission line without removing the terminal device.
【００２３】図１において、伝送装置１は、端局装置Ｘ
１〜Ｘｎと、各端局装置Ｘ１〜Ｘｎに接続される端末装
置Ｅ１〜Ｅｎと、各端局装置Ｘ１〜Ｘｎを監視し、遠隔
制御する網監視制御装置Ｗと、各端局装置Ｘ１〜Ｘｎを
接続する論理的伝送路Ｌ12〜Ｌn1とから構成する。In FIG. 1, the transmission device 1 is a terminal device X.
1 to Xn, terminal devices E1 to En connected to each terminal device X1 to Xn, a network monitoring control device W that monitors and remotely controls each terminal device X1 to Xn, and each terminal device X1 to Xn. It is composed of logical transmission lines L12 to Ln1 connecting Xn.
【００２４】端局装置Ｘ１〜Ｘｎは、網監視制御装置Ｗ
からの遠隔制御により、任意の端局装置Ｘ１〜Ｘｎに論
理的伝送路（パス）Ｌ12〜Ｌn1を設定し、端末装置Ｅ１
〜Ｅｎに回線を提供する。端末装置Ｅ１〜Ｅｎは、端局
装置Ｘ１〜Ｘｎから提供される回線を介して通信を行な
う。The terminal devices X1 to Xn are network monitoring control devices W.
From the remote control from the terminal device, logical transmission paths (paths) L12 to Ln1 are set to arbitrary terminal devices X1 to Xn, and the terminal device E1
~ Provide a line to En. The terminal devices E1 to En perform communication via the lines provided by the terminal devices X1 to Xn.
【００２５】網監視制御装置Ｗは、遠隔操作で端局装置
Ｘ１〜Ｘｎを制御し、端末装置Ｅ１〜Ｅｎの接続を外す
ことなく試験系を論理的伝送路に挿入し、任意の２端局
装置間の信号伝搬遅延量を検出する制御を行い、信号伝
搬遅延量データを収集して管理する。The network monitoring controller W controls the terminal devices X1 to Xn by remote control, inserts the test system into the logical transmission line without disconnecting the terminal devices E1 to En, and selects any two terminal stations. Control is performed to detect the signal propagation delay amount between devices, and the signal propagation delay amount data is collected and managed.
【００２６】図２はこの発明に係る端局装置の実施の形
態要部ブロック構成図である。なお、図２は図１に示す
網監視制御装置Ｗの遠隔制御により、端局装置Ｘ１およ
び端局装置Ｘ２間に論理的伝送路（パス）Ｌ12が設定さ
れた状態を示す。図２において、端局装置Ｘ１，Ｘ２
は、端末インタフェース（Ｉ／Ｆ）部２、伝搬遅延量測
定手段３、多重分割部４を備える。FIG. 2 is a block diagram of the essential parts of an embodiment of the terminal device according to the present invention. 2 shows a state in which a logical transmission line (path) L12 is set between the terminal station device X1 and the terminal station device X2 by remote control of the network monitoring control device W shown in FIG. In FIG. 2, the terminal devices X1 and X2
Includes a terminal interface (I / F) unit 2, a propagation delay amount measuring unit 3, and a multiplexing division unit 4.
【００２７】端末インタフェース（Ｉ／Ｆ）部２は、端
局装置Ｘ１と端末装置Ｅ１との間の電気的特性の整合
（インタフェース）を取る。The terminal interface (I / F) unit 2 matches (interfaces) the electrical characteristics between the terminal device X1 and the terminal device E1.
【００２８】伝搬遅延量測定手段３は、マイクロプロセ
ッサを基本にして各種処理機能、演算機能、伝送機能お
よび電子スイッチ等を有し、端局装置Ｘ１と端局装置Ｘ
２間に設定された論理的伝送路（パス）Ｌ12による信号
伝搬遅延量を検出するための試験系を構成して信号折返
し手段５、試験信号発生手段６、切替手段７、伝搬遅延
量検出手段８を備え、網監視制御装置Ｗの遠隔制御によ
り、端局装置Ｘ１，Ｘ２相互間の信号伝搬遅延量を検出
する。The propagation delay amount measuring means 3 is based on a microprocessor and has various processing functions, arithmetic functions, transmission functions, electronic switches, etc., and the terminal station device X1 and the terminal station device X.
A test system for detecting the amount of signal propagation delay due to the logical transmission line (path) L12 set between the two is configured to include the signal folding means 5, the test signal generating means 6, the switching means 7, and the propagation delay amount detecting means. 8 is provided, and the amount of signal propagation delay between the terminal station devices X1 and X2 is detected by remote control of the network monitoring control device W.
【００２９】信号折返し手段５は、リレー、アナログス
イッチ等の電子スイッチで構成し、網監視制御装置Ｗか
ら供給される制御信号ＳCに基づいてスイッチｓｗ１を
動作する。信号伝搬遅延量の測定時、伝搬遅延量測定手
段３が論理的伝送路（パス）Ｌ12に挿入される端局装置
Ｘ１では、スイッチｓｗ１は実線表示の状態にあるが、
端局装置Ｘ２では、信号折返し手段９のスイッチｓｗ４
は論理的伝送路（パス）Ｌ12をシャント（短絡）して端
局装置Ｘ１から伝送されてくる試験信号ＳTを折り返す
ように動作する。The signal folding means 5 is composed of an electronic switch such as a relay or an analog switch, and operates the switch sw1 based on the control signal SC supplied from the network monitoring controller W. In the terminal station device X1 in which the propagation delay amount measuring means 3 is inserted into the logical transmission line (path) L12 when measuring the signal propagation delay amount, the switch sw1 is in the state indicated by the solid line,
In the terminal device X2, the switch sw4 of the signal folding means 9 is used.
Operates to shunt the logical transmission path (path) L12 and return the test signal ST transmitted from the terminal device X1.
【００３０】一方、端局装置Ｘ２の伝搬遅延量測定手段
３が論理的伝送路（パス）Ｌ12に挿入される場合には、
端局装置Ｘ１の信号折返し手段５は、スイッチｓｗ１を
破線表示の状態にし、論理的伝送路（パス）Ｌ12をシャ
ント（短絡）して端局装置Ｘ２から伝送されてくる試験
信号ＳTを折り返すように動作する。On the other hand, when the propagation delay amount measuring means 3 of the terminal device X2 is inserted in the logical transmission line (path) L12,
The signal folding means 5 of the terminal device X1 sets the switch sw1 to the state indicated by the broken line, shunts (short-circuits) the logical transmission path (path) L12, and loops back the test signal ST transmitted from the terminal device X2. To work.
【００３１】試験信号発生手段６は、信号発生器で構成
し、信号伝搬遅延量の測定時、試験信号ＳTを発生し、
試験信号ＳTを切替手段７および伝搬遅延量検出手段８
に供給する。The test signal generating means 6 is composed of a signal generator and generates a test signal ST when measuring the signal propagation delay amount,
The test signal ST is switched to the switching means 7 and the propagation delay amount detecting means 8.
Supply to.
【００３２】切替手段７は、アナログスイッチ等の電子
スイッチで構成し、信号伝搬遅延量の測定時に、網監視
制御装置Ｗから供給される制御信号ＳCに基づいてスイ
ッチｓｗ２およびｓｗ３を切り替え（破線表示側→実線
表示側）、試験信号発生手段６および伝搬遅延量検出手
段８を論理的伝送路（パス）Ｌ12に挿入する。The switching means 7 is composed of an electronic switch such as an analog switch, and switches the switches sw2 and sw3 on the basis of the control signal SC supplied from the network supervisory controller W when measuring the signal propagation delay amount (displayed by a broken line). Side → solid line display side), the test signal generating means 6 and the propagation delay amount detecting means 8 are inserted in the logical transmission line (path) L12.
【００３３】また、切替手段７は、スイッチｓｗ２を動
作して試験信号発生手段６から供給される試験信号ＳT
を多重分割部４に供給するとともに、スイッチｓｗ３を
動作して多重分割部４から供給される試験信号ＳTが端
局装置Ｘ２の信号折返し手段９で折り返された折返し信
号ＳOを伝搬遅延量検出手段８に供給する。The switching means 7 operates the switch sw2 to supply the test signal ST supplied from the test signal generating means 6.
Is supplied to the demultiplexing section 4, and the switch sw3 is operated to cause the test signal ST supplied from the demultiplexing section 4 to be folded back by the signal folding means 9 of the terminal device X2. Supply to 8.
【００３４】伝搬遅延量検出手段８は、位相検出機能、
信号伝搬遅延量検出機能、信号伝送機能を備え、試験信
号発生手段６から供給される試験信号ＳTおよび切替手
段７のスイッチｓｗ３を介して供給される折返し信号Ｓ
Oの位相θA，θBを検出した後、位相θAと位相θBの位
相差Δθ（＝θA−θB）に基づいて信号伝搬遅延量を検
出する。The propagation delay amount detecting means 8 has a phase detecting function,
It has a signal propagation delay amount detecting function and a signal transmitting function, and the test signal ST supplied from the test signal generating means 6 and the loopback signal S supplied via the switch sw3 of the switching means 7.
After detecting the phases θA and θB of O, the signal propagation delay amount is detected based on the phase difference Δθ (= θA−θB) between the phases θA and θB.
【００３５】信号伝搬遅延量は、試験信号ＳTの位相θA
と折返し信号ＳOの位相θBを検出し、位相θAと位相θB
の位相差Δθ（＝θA−θB）を演算し、位相差Δθ（＝
θA−θB）から信号伝搬遅延量を検出する。The signal propagation delay amount is the phase θA of the test signal ST.
And the phase θB of the return signal SO are detected, and the phases θA and θB are detected.
Phase difference Δθ (= θA-θB) is calculated, and the phase difference Δθ (=
The signal propagation delay amount is detected from θA-θB).
【００３６】また、伝搬遅延量検出手段８は、検出した
信号伝搬遅延量をデータ化して信号伝搬遅延量データを
網監視制御装置Ｗに伝送する。伝搬遅延量検出手段８か
ら網監視制御装置Ｗへの信号伝搬遅延量データ伝送は、
有線伝送または無線伝送のいずれでも可能である。Further, the propagation delay amount detecting means 8 converts the detected signal propagation delay amount into data and transmits the signal propagation delay amount data to the network monitoring control device W. The signal transmission delay amount data transmission from the propagation delay amount detecting means 8 to the network monitoring control device W is
Either wired transmission or wireless transmission is possible.
【００３７】多重分割部４は、端局装置Ｘ１に複数の端
末装置Ｅ１が接続されている時、各端末装置Ｅ１から供
給されるデータを多重化して論理的伝送路Ｌ12に伝送
し、論理的伝送路Ｌ12を介して伝送されてくる多重化さ
れたデータを各端末装置Ｅ１に供給するために分離を実
行する。When a plurality of terminal devices E1 are connected to the terminal device X1, the multiplexing division unit 4 multiplexes the data supplied from each terminal device E1 and transmits the multiplexed data to the logical transmission line L12. Demultiplexing is performed in order to supply the multiplexed data transmitted via the transmission line L12 to each terminal device E1.
【００３８】このように、この発明に係る伝送装置１
は、網監視制御装置Ｗの遠隔制御により、端局装置Ｘ
１，Ｘ２相互間の信号伝搬遅延量を検出する伝搬遅延量
測定手段３を備えたので、任意の端局装置Ｘ１〜Ｘｎ間
の信号伝搬遅延量を自動的に検出してデータを収集する
ことができ、効率的な自動測定を実現することができ
る。Thus, the transmission device 1 according to the present invention
Is remotely controlled by the network supervisory control device W,
Since the propagation delay amount measuring means 3 for detecting the signal propagation delay amount between 1 and X2 is provided, it is possible to automatically detect the signal propagation delay amount between arbitrary terminal station devices X1 to Xn and collect data. Therefore, efficient automatic measurement can be realized.
【００３９】また、この発明に係る伝搬遅延量測定手段
３は、端末装置Ｅ１を接続した状態で、試験信号ＳTを
論理的伝送路Ｌ12に出力し、相手端局装置Ｘ２で試験信
号ＳTが折り返された折返し信号ＳOを取り込み、試験信
号ＳTと折返し信号ＳOに基づいて信号伝搬遅延量を検出
するので、信号伝搬遅延量を自動的に検出してデータを
収集することができ、効率的な自動測定を実現すること
ができる。Further, the propagation delay amount measuring means 3 according to the present invention outputs the test signal ST to the logical transmission line L12 while the terminal device E1 is connected, and the test signal ST is returned at the partner terminal device X2. The signal propagation delay amount is detected based on the test signal ST and the folding signal S0. Therefore, the signal propagation delay amount can be automatically detected and data can be collected. The measurement can be realized.
【００４０】さらに、この発明に係る伝搬遅延量検出手
段８は、試験信号ＳTと折返し信号ＳOとの位相差Δθに
基づいて信号伝搬遅延量を検出するので、正確な信号伝
搬遅延量を検出することができる。Further, the propagation delay amount detecting means 8 according to the present invention detects the signal propagation delay amount based on the phase difference Δθ between the test signal ST and the return signal SO, so that the accurate signal propagation delay amount is detected. be able to.
【００４１】また、この発明に係る伝搬遅延量検出手段
８は、検出した信号伝搬遅延量を網監視制御装置Ｗに伝
送するので、網監視制御装置Ｗに任意の端局装置Ｘ１〜
Ｘｎ間の信号伝搬遅延量データを一括して集中管理する
ことができ、管理の効率化ならびに利便性の向上を図る
ことができる。Further, the propagation delay amount detecting means 8 according to the present invention transmits the detected signal propagation delay amount to the network monitoring control device W, so that the network monitoring control device W can receive any of the terminal equipments X1 to X1.
The signal propagation delay amount data between Xn can be collectively managed collectively, and the efficiency and convenience of management can be improved.
【００４２】次に、信号伝搬遅延量の検出方法について
図１、図２を参照して説明する。図３はこの発明に係る
伝送装置の信号伝搬遅延量検出方法の実施の形態動作フ
ロー図である。最初に、ステップＳ１では、遠隔制御に
より論理的伝送路（パス）に信号伝搬遅延量を検出する
ための試験系を自動挿入する。なお、ステップＳ１の動
作は、網監視制御装置Ｗ、切替手段７が実行する。Next, a method of detecting the amount of signal propagation delay will be described with reference to FIGS. FIG. 3 is an operation flow chart of the embodiment of the signal propagation delay amount detecting method of the transmission apparatus according to the present invention. First, in step S1, a test system for detecting a signal propagation delay amount is automatically inserted into a logical transmission line (path) by remote control. The operation of step S1 is executed by the network monitoring control device W and the switching means 7.
【００４３】ステップＳ２では、信号伝搬遅延量を検出
するための試験信号ＳTを論理的伝送路（パス）に出力
する。なお、ステップＳ２の動作は、試験信号発生手段
６が実行する。In step S2, the test signal ST for detecting the signal propagation delay amount is output to the logical transmission path. The operation of step S2 is executed by the test signal generating means 6.
【００４４】ステップＳ３では、信号伝搬遅延量の検出
対象となる論理的伝送路（パス）端で試験信号ＳTを折
り返し、折返し信号ＳOとして試験系に戻す。なお、ス
テップＳ３の動作は、網監視制御装置Ｗおよび端局装置
Ｘ２の信号折返し手段９が実行する。In step S3, the test signal ST is folded back at the end of the logical transmission line (path) whose signal propagation delay amount is to be detected, and is returned to the test system as the folding signal SO. The operation of step S3 is executed by the network monitoring control device W and the signal folding means 9 of the terminal device X2.
【００４５】ステップＳ４では、試験信号ＳTと折返し
信号ＳOの位相差Δθから信号伝搬遅延量を検出する。
なお、ステップＳ４の動作は、伝搬遅延量検出手段８が
実行する。In step S4, the signal propagation delay amount is detected from the phase difference Δθ between the test signal ST and the return signal SO.
The operation of step S4 is executed by the propagation delay amount detecting means 8.
【００４６】ステップＳ５では、検出した信号伝搬遅延
量を信号伝搬遅延量データとして伝送する。なお、ステ
ップＳ５の動作は、伝搬遅延量検出手段８が実行する。
ステップＳ１からステップＳ５により、端局装置に端末
装置を接続した状態で信号伝搬遅延量を検出することが
できる。In step S5, the detected signal propagation delay amount is transmitted as signal propagation delay amount data. The operation of step S5 is executed by the propagation delay amount detecting means 8.
Through steps S1 to S5, the signal propagation delay amount can be detected with the terminal device connected to the terminal device.
【００４７】このように、この発明に係る伝送装置の信
号伝搬遅延量検出方法は、遠隔制御により論理的伝送路
に試験系を自動挿入するステップ１（Ｓ１）と、検出対
象とする論理的伝送路端で試験信号を折り返すステップ
２（Ｓ２）と、試験信号を論理的伝送路に出力するステ
ップ３（Ｓ３）と、出力した試験信号と折返し信号の位
相差から信号伝搬遅延量を検出するステップ４（Ｓ４）
と、検出した信号伝搬遅延量を伝送するステップ５（Ｓ
５）とを備えたので、端末装置の接続を外す等の装置の
運用形態を変えることなく、遠隔操作により自動的に信
号伝搬遅延量を検出することができ、効率性ならびに利
便性の向上を図ることができる。As described above, the signal propagation delay amount detection method for the transmission device according to the present invention includes the step 1 (S1) of automatically inserting the test system into the logical transmission line by remote control, and the logical transmission to be detected. Step 2 (S2) of returning the test signal at the road edge, Step 3 (S3) of outputting the test signal to the logical transmission path, and step of detecting the signal propagation delay amount from the phase difference between the output test signal and the return signal. 4 (S4)
And step 5 of transmitting the detected signal propagation delay amount (S
5) is provided, the signal propagation delay amount can be automatically detected by remote operation without changing the operation mode of the device such as disconnecting the terminal device, thereby improving efficiency and convenience. Can be planned.
【００４８】[0048]
【発明の効果】以上説明したように、この発明に係る伝
送装置は、網監視制御装置の遠隔制御により、端局装置
相互間の信号伝搬遅延量を検出する伝搬遅延量測定手段
を備えたので、任意の端局装置間の信号伝搬遅延量を自
動的に検出してデータを収集することができ、効率的な
自動測定を実現することができる。As described above, the transmission apparatus according to the present invention is provided with the propagation delay amount measuring means for detecting the signal propagation delay amount between the terminal equipments by the remote control of the network supervisory control device. , It is possible to automatically detect the signal propagation delay amount between arbitrary terminal station devices and collect data, and it is possible to realize efficient automatic measurement.
【００４９】また、この発明に係る伝搬遅延量測定手段
は、端末装置を接続した状態で、試験信号を論理的伝送
路に出力し、相手端局装置で試験信号が折り返された折
返し信号を取り込み、試験信号と折返し信号に基づいて
信号伝搬遅延量を検出するので、信号伝搬遅延量を自動
的に検出してデータを収集することができ、効率的な自
動測定を実現することができる。Further, the propagation delay amount measuring means according to the present invention outputs the test signal to the logical transmission line in the state where the terminal device is connected and takes in the return signal in which the test signal is returned at the partner terminal device. Since the signal propagation delay amount is detected based on the test signal and the return signal, the signal propagation delay amount can be automatically detected and data can be collected, and efficient automatic measurement can be realized.
【００５０】さらに、この発明に係る伝搬遅延量検出手
段は、試験信号と折返し信号との位相差に基づいて信号
伝搬遅延量を検出するので、正確な信号伝搬遅延量を検
出することができる。Further, since the propagation delay amount detecting means according to the present invention detects the signal propagation delay amount based on the phase difference between the test signal and the return signal, it is possible to accurately detect the signal propagation delay amount.
【００５１】また、この発明に係る伝搬遅延量検出手段
は、検出した信号伝搬遅延量を網監視制御装置に伝送す
るので、網監視制御装置に任意の端局装置間の信号伝搬
遅延量データを一括して集中管理することができ、管理
の効率化ならびに利便性の向上を図ることができる。Further, since the propagation delay amount detecting means according to the present invention transmits the detected signal propagation delay amount to the network monitoring control device, the network monitoring control device can receive the signal propagation delay amount data between arbitrary terminal station devices. Centralized management can be performed collectively, and management efficiency and convenience can be improved.
【００５２】さらに、この発明に係る伝送装置の信号伝
搬遅延量検出方法は、遠隔制御により論理的伝送路に試
験系を自動挿入するステップ１と、試験信号を論理的伝
送路に出力するステップ２と、検出対象とする論理的伝
送路端で試験信号を折り返すステップ３と、出力した試
験信号と折返し信号の位相差から信号伝搬遅延量を検出
するステップ４と、検出した信号伝搬遅延量を伝送する
ステップ５とを備えたので、端末装置の接続を外す等の
装置の運用形態を変えることなく、遠隔操作により自動
的に信号伝搬遅延量を検出することができ、効率性なら
びに利便性の向上を図ることができる。Further, in the signal propagation delay amount detecting method for the transmission device according to the present invention, step 1 of automatically inserting the test system into the logical transmission line by remote control and step 2 of outputting the test signal to the logical transmission line. A step 3 of returning the test signal at the end of the logical transmission path to be detected, a step 4 of detecting a signal propagation delay amount from the phase difference between the output test signal and the return signal, and a transmission of the detected signal propagation delay amount. Since step 5 is provided, the signal propagation delay amount can be automatically detected by remote operation without changing the operation mode of the device such as disconnecting the terminal device, improving efficiency and convenience. Can be achieved.
【図１】この発明に係る伝送装置の実施の形態全体構成
図FIG. 1 is an overall configuration diagram of an embodiment of a transmission device according to the present invention.
【図２】この発明に係る端局装置の実施の形態要部ブロ
ック構成図FIG. 2 is a block diagram of a main part of an embodiment of a terminal device according to the present invention.
【図３】この発明に係る伝送装置の信号伝搬遅延量検出
方法の実施の形態動作フロー図FIG. 3 is an operation flow chart of an embodiment of a signal propagation delay amount detection method for a transmission device according to the present invention.
【図４】従来の伝送装置の信号伝搬遅延量測定における
要部ブロック構成図FIG. 4 is a block diagram of a main part in measuring a signal propagation delay amount of a conventional transmission device.
１ 伝送装置 ２ 端末インタフェース（Ｉ／Ｆ）部 ３ 伝搬遅延量測定手段 ４ 多重分割部 ５，９ 信号折返し手段 ６ 試験信号発生手段 ７ 切替手段 ８ 伝搬遅延量検出手段 Ｅ１〜Ｅｎ 端末装置 Ｘ１〜Ｘｎ 端局装置 Ｗ 網監視制御装置 ＳT 試験信号 ＳO 折返し信号 1 Transmission device 2 Terminal interface (I / F) section 3 Propagation delay amount measuring means 4 Multiple division 5,9 Signal folding means 6 Test signal generating means 7 Switching means 8 Propagation delay amount detection means E1 to En terminal devices X1 to Xn terminal equipment W network monitoring controller ST test signal SO return signal
Claims (5)
端局装置と、ネットワークを監視する網監視制御装置
と、各端局装置に接続される端末装置と、からなる伝送
装置において、 各端局装置は、前記網監視制御装置の遠隔制御により、
端局装置相互間の信号伝搬遅延量を検出する伝搬遅延量
測定手段を備えたことを特徴とする伝送装置。1. A transmission device comprising a plurality of terminal devices connected via logical transmission paths, a network monitoring control device for monitoring a network, and a terminal device connected to each terminal device, Each terminal device, by the remote control of the network monitoring control device,
A transmission device comprising a propagation delay amount measuring means for detecting a signal propagation delay amount between terminal devices.
論理的伝送路に出力する試験信号発生手段と、試験信号
と他の端局装置で試験信号が折り返された折返し信号に
基づいて信号伝搬遅延量を検出する伝搬遅延量検出手段
と、他の端局装置からの試験信号を折り返す信号折返し
手段と、信号伝搬遅延量の測定時に前記試験信号発生手
段および前記伝搬遅延量検出手段を論理的伝送路に自動
挿入する切替手段と、を備えたことを特徴とする請求項
１記載の伝送装置。2. The propagation delay amount measuring means is a signal based on a test signal generating means for outputting a test signal to a logical transmission line, and a test signal and a loopback signal in which the test signal is looped back by another terminal device. Propagation delay amount detecting means for detecting a propagation delay amount, signal folding means for folding back a test signal from another terminal device, and logically connecting the test signal generating means and the propagation delay amount detecting means when measuring the signal propagation delay amount. 2. The transmission device according to claim 1, further comprising a switching unit that is automatically inserted into the dynamic transmission line.
折返し信号との位相差に基づいて信号伝搬遅延量を検出
することを特徴とする請求項２記載の伝送装置。3. The transmission device according to claim 2, wherein the propagation delay amount detecting means detects the signal propagation delay amount based on the phase difference between the test signal and the return signal.
号伝搬遅延量を前記網監視制御装置に伝送することを特
徴とする請求項２または請求項３記載の伝送装置。4. The transmission device according to claim 2, wherein the propagation delay amount detecting means transmits the detected signal propagation delay amount to the network supervisory control device.
端局装置と、ネットワークを監視する網監視制御装置
と、各端局装置に接続される端末装置と、からなる伝送
装置の信号伝搬遅延量検出方法であって、 遠隔制御により論理的伝送路に試験系を自動挿入するス
テップ１と、 試験信号を論理的伝送路に出力するステップ２と、 検出対象とする論理的伝送路端で試験信号を折り返すス
テップ３と、 出力した試験信号と折返し信号の位相差から信号伝搬遅
延量を検出するステップ４と、 検出した信号伝搬遅延量を伝送するステップ５と、 を備え、端局装置に端末装置を接続した状態で信号伝搬
遅延量を検出することを特徴とする伝送装置の信号伝搬
遅延量検出方法。 ：伝搬遅延量測定手段＝信号折返し手段＋試験信号発
生手段＋伝搬遅延量検出手段＋伝送路挿入手段 ：網監視制御装置5. A signal of a transmission device comprising a plurality of terminal devices connected via a logical transmission path, a network monitoring control device for monitoring the network, and a terminal device connected to each terminal device. A method for detecting a propagation delay amount, which comprises step 1 of automatically inserting a test system into a logical transmission line by remote control, step 2 of outputting a test signal to the logical transmission line, and a logical transmission line end to be detected. The terminal station device comprises: a step 3 of folding back the test signal in step 3, a step 4 of detecting a signal propagation delay amount from the phase difference between the output test signal and the folding signal, and a step 5 of transmitting the detected signal propagation delay amount. A method for detecting a signal propagation delay amount of a transmission device, comprising detecting a signal propagation delay amount in a state where a terminal device is connected to the terminal. : Propagation delay amount measuring means = Signal folding means + Test signal generating means + Propagation delay amount detecting means + Transmission line inserting means: Network monitoring controller
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106534674A (en) * | 2016-10-17 | 2017-03-22 | 努比亚技术有限公司 | Method for displaying focus area and mobile terminal |
| JP2017121057A (en) * | 2015-12-30 | 2017-07-06 | 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． | Method, device, and system for implementing delay measurement |
-
2001
- 2001-11-01 JP JP2001336545A patent/JP2003143144A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017121057A (en) * | 2015-12-30 | 2017-07-06 | 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． | Method, device, and system for implementing delay measurement |
| US10819605B2 (en) | 2015-12-30 | 2020-10-27 | Huawei Technologies Co., Ltd. | Method, apparatus, and system for implementing delay measurement |
| CN106534674A (en) * | 2016-10-17 | 2017-03-22 | 努比亚技术有限公司 | Method for displaying focus area and mobile terminal |
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