JP2001230705A - Digital broadcasting monitoring system - Google Patents
Digital broadcasting monitoring systemInfo
- Publication number
- JP2001230705A JP2001230705A JP2000037335A JP2000037335A JP2001230705A JP 2001230705 A JP2001230705 A JP 2001230705A JP 2000037335 A JP2000037335 A JP 2000037335A JP 2000037335 A JP2000037335 A JP 2000037335A JP 2001230705 A JP2001230705 A JP 2001230705A
- Authority
- JP
- Japan
- Prior art keywords
- station
- error rate
- transmission
- transmitting
- digital broadcast
- 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
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はデジタル放送監視シ
ステムに関し、特に演奏所及びこの演奏所から送信され
るデジタル放送を受信しさらに外部に送信する親局送信
所を含み、かつ前記演奏所及び前記親局送信所は現用系
及び予備系の送信及び受信装置を有するデジタル放送送
信系を監視するデジタル放送監視システムに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital broadcasting monitoring system, and more particularly, to a digital broadcasting monitoring system, which includes a music theater and a master station transmitting and receiving a digital broadcast transmitted from the music theater and further transmitting the digital broadcasting to the outside. The master station transmission station relates to a digital broadcast monitoring system for monitoring a digital broadcast transmission system having active and standby transmission and reception devices.
【０００２】[0002]
【従来の技術】上述の現用系及び予備系の送信及び受信
装置を有するデジタル放送監視システムは知られてい
る。この種の技術の一例が特開平５−２３５９０８号公
報（文献１）及び特許第２７３５５１１号公報（文献
２）に開示されている。文献１記載の技術はデータ伝送
回線の受信信号の誤り符号を計数し保護して誤り率の劣
化を検出しアラームを出力する誤り率劣化検出回路にお
いて、該回線の受信信号のフレーム同期の同期外れや受
信信号の断時に送出される信号を制御信号１として、該
制御信号１が該誤り率検出回路の動作を外部からリセッ
トすると同時にアラームを送出する、というものであ
る。2. Description of the Related Art A digital broadcast monitoring system having the above-mentioned active and standby transmitting and receiving devices is known. One example of this kind of technology is disclosed in Japanese Patent Application Laid-Open No. 5-235908 (Reference 1) and Japanese Patent No. 2735511 (Reference 2). The technique disclosed in Document 1 is a method for detecting and decoding an error rate of an error rate of a received signal of a data transmission line, protecting the error rate, and outputting an alarm. The control signal 1 resets the operation of the error rate detection circuit from the outside and sends an alarm at the same time as the control signal 1 being a signal transmitted when the reception signal is interrupted.
【０００３】一方、文献２記載の技術は現用、予備の両
方の受信系における障害を検出し、かつ一方で受信信号
の信号レベルを監視し、予め設定された異なる２つの値
で発生する受信入力警報の発生時間差を比較し、この時
間差が一定時間以上の場合に対向局における送信系を切
り替えるための切替制御信号の出力を停止することで、
サイレントフェイルュア状態を検出して回線の信頼性を
向上することができるとともに、フェ−ジングや降雨等
の自然現象による回線劣化時に送信側での不要な切り替
えを行うことが防止される、というものである。[0003] On the other hand, the technique described in Document 2 detects a fault in both the working and standby receiving systems and monitors the signal level of the received signal on the one hand, and receives a receiving input generated at two different preset values. By comparing the alarm generation time difference, and when the time difference is equal to or longer than a predetermined time, by stopping the output of the switching control signal for switching the transmission system in the opposite station,
It is possible to improve the reliability of the line by detecting a silent failure state, and to prevent unnecessary switching on the transmission side when the line is deteriorated due to a natural phenomenon such as fading or rainfall. Things.
【０００４】[0004]
【発明が解決しようとする課題】この種のデジタル放送
は今までのアナログ放送と異なり、映像、音声、データ
を同様にデジタル信号として扱い伝送するため、誤り率
の劣化がシステムの異常、装置の劣化の定量的な判断の
一つになる。しかし、演奏所及びこの演奏所から送信さ
れるデジタル放送を受信しさらに外部に送信する親局送
信所を含むデジタル放送送信系を監視するデジタル放送
監視システムにおいて、演奏所及び親局送信所における
送信及び受信装置の誤り率の劣化を検出し、異常と思わ
れる装置を早急に予備装置に自動で切り替えるシステム
は従来存在しなかった。上記文献１及び２にもこの課題
を解決する手段は開示されていない。Unlike conventional analog broadcasting, this type of digital broadcasting treats video, audio, and data in the same way as digital signals and transmits them. Therefore, the deterioration of the error rate causes system abnormalities and device malfunctions. This is one of the quantitative judgments of deterioration. However, in a digital broadcast monitoring system for monitoring a digital broadcasting transmission system including a music playing place and a master station transmitting station for receiving and further transmitting a digital broadcast transmitted from the music playing place, transmission at the playing place and the master station transmitting station Conventionally, there has not been a system that detects deterioration of an error rate of a receiving device and automatically switches a device considered to be abnormal to a standby device immediately and automatically. Documents 1 and 2 do not disclose means for solving this problem.
【０００５】そこで本発明の目的は演奏所及び親局送信
所における送信及び受信装置の誤り率の劣化を検出し、
異常と思われる装置を早急に予備装置に自動で切り替え
ることが可能なデジタル放送監視システムを提供するこ
とにある。Therefore, an object of the present invention is to detect the deterioration of the error rate of the transmitting and receiving devices at the music station and the master station transmitting station,
It is an object of the present invention to provide a digital broadcast monitoring system capable of automatically switching a device considered to be abnormal to a standby device immediately.
【０００６】[0006]
【課題を解決するための手段】前記課題を解決するため
に本発明は、演奏所及びこの演奏所から送信されるデジ
タル放送を受信しさらに外部に送信する親局送信所を含
み、かつ前記演奏所及び前記親局送信所は現用系及び予
備系の送信及び受信装置を有するデジタル放送送信系を
監視するデジタル放送監視システムであって、前記演奏
所は前記演奏所及び前記親局送信所からの前記送信及び
受信装置の動作状態情報に基づき、前記演奏所及び前記
親局送信所内の前記送信及び受信装置を前記現用系から
前記予備系に切替えさせる切替え制御信号を出力する送
信系切替え手段を含むことを特徴とする。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention comprises a music station and a master station transmitting station for receiving a digital broadcast transmitted from the music station and further transmitting the digital broadcast to the outside. And a master station transmitting station is a digital broadcast monitoring system for monitoring a digital broadcast transmitting system having an active system and a standby system transmitting and receiving device. A transmission system switching unit that outputs a switching control signal for switching the transmission and reception device in the performance place and the master station transmission station from the active system to the standby system based on operation state information of the transmission and reception device. It is characterized by the following.
【０００７】本発明によれば、演奏所及び親局送信所の
各々が自所内の送信及び受信装置の動作状態情報を演奏
所内の送信系切替え手段に出力する。送信系切替え手段
はこれらの動作状態情報に基づき、現用系から予備系に
切替えさせる切替え制御信号を出力する。According to the present invention, each of the playing place and the master station transmitting station outputs the operating state information of the transmitting and receiving device in its own place to the transmission system switching means in the playing place. The transmission system switching means outputs a switching control signal for switching from the active system to the standby system based on the operation state information.
【０００８】[0008]
【発明の実施の形態】まず、本発明の概要について説明
する。本発明では、演奏所及びこの演奏所から送信され
るデジタル放送を受信しさらに外部に送信する親局送信
所からなる送信システムにおける現用系の各ポイント及
び実際の受信電波の誤り率を監視することにより、送信
システム設備の経年変化による特性劣化もしくは故障に
よる出力断、あるいは正常なサービスが出来ない等の問
題を早期に発見することが可能である。又、アラーム発
生の際、システムの中のどの装置において特性劣化が起
こっているかを特定し、演奏所側でアラームとして表示
し、さらに異常と思われる装置を予備装置に自動で切り
替えることが可能である。DESCRIPTION OF THE PREFERRED EMBODIMENTS First, an outline of the present invention will be described. According to the present invention, an error rate of each point of an active system and an actual received radio wave in a transmission system including a music performance hall and a master station transmission station that receives a digital broadcast transmitted from the music performance hall and transmits the digital broadcast to the outside are monitored. Thus, it is possible to find out at an early stage a problem such as deterioration of characteristics due to aging of the transmission system equipment or output disconnection due to a failure, or a failure in normal service. In addition, when an alarm occurs, it is possible to identify which device in the system is deteriorating in characteristics and display it as an alarm on the performance side, and automatically switch the device that seems abnormal to a spare device. is there.
【０００９】以下、本発明の実施の形態について添付図
面を参照しながら説明する。図１は本発明に係るデジタ
ル放送監視システムの第１の実施の形態の構成図であ
る。同図を参照すると、デジタル放送監視システムは演
奏所３０と、親局送信所４０とからなる。Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a configuration diagram of a digital broadcast monitoring system according to a first embodiment of the present invention. Referring to FIG. 1, the digital broadcast monitoring system includes a music station 30 and a master station transmitting station 40.
【００１０】演奏所３０はシステム監視制御装置（親
機）１と、システム監視制御装置（子機）２と、システ
ム切替器３，４と、測定信号切替器５と、デジタル放送
受信機６と、誤り率測定器７と、ＯＦＤＭ（ｏｒｔｈｏ
ｇａｎａｌ ｆｒｅｑｕｅｎｃｙ ｄｉｖｉｓｉｏｎ
ｍｕｌｔｉｐｌｅｘｉｎｇ）変調器（現用）２１と、Ｏ
ＦＤＭ変調器ＳＴＬ（ｓｔｕｄｉｏ ｔｏ ｔｒａｎｓ
ｍｉｔｔｅｒ ｌｉｎｋ）送信装置（現用）２３と、Ｓ
ＴＬ送信装置（予備）２４と、ＳＴＬ送信アンテナ２５
と、エアモニアンテナ２６とを含んで構成される。The music studio 30 includes a system monitoring and control device (parent device) 1, a system monitoring and control device (child device) 2, system switches 3 and 4, a measurement signal switch 5, a digital broadcast receiver 6, , Error rate measuring device 7 and OFDM (ortho
ganal frequency division
(multiplexing) modulator (working) 21 and O
FDM modulator STL (studio to trans)
Mitter link) transmission device (working) 23 and S
TL transmitting device (spare) 24, STL transmitting antenna 25
And an air monitor antenna 26.
【００１１】親局送信所４０はシステム監視制御装置
（子機）８と、システム切替器９，１０と、測定信号切
替器１１と、デジタル放送受信機１２と、誤り率測定器
１３と、放送波送信アンテナ２３と、エアモニアンテナ
２４と、ＳＴＬ受信装置（現用）２７と、ＳＴＬ受信装
置（予備）２８と、デジタル送信機（現用）２９と、デ
ジタル送信機（予備）３１と、放送波送信アンテナ３２
と、エアモニアンテナ３３とを含んで構成される。The master station transmitting station 40 includes a system monitoring controller (slave unit) 8, system switches 9 and 10, a measurement signal switch 11, a digital broadcast receiver 12, an error rate measuring device 13, Wave transmitting antenna 23, air monitor antenna 24, STL receiving device (active) 27, STL receiving device (backup) 28, digital transmitter (active) 29, digital transmitter (backup) 31, and broadcast wave transmission Antenna 32
And an air monitor antenna 33.
【００１２】演奏所３０において、システム監視制御装
置（親機）１はシステム監視制御装置（子機）２及び親
局送信所４０のシステム監視制御装置（子機）８との通
信機能を有し、通信機能によって取得した測定データの
表示、評価を行なう。又、評価の結果、異常が見られた
際、アラーム発信を行ない、システム監視制御装置（子
機）２，８に対して、制御信号を送出する。システム監
視制御装置（子機）２は誤り率測定器７からのデータ取
得及びシステム切替器３，４の状態監視を行なう機能を
有し、得られた情報を保存し、一定時間ごとにシステム
監視制御装置（親機）１に伝送する。又、システム監視
制御装置（親機）１からの制御信号を受け、システム切
替器３，４の切替制御を行なう。In the performance hall 30, the system monitoring and control device (parent device) 1 has a communication function with the system monitoring and control device (child device) 2 and the system monitoring and control device (child device) 8 of the master station transmitting station 40. And display and evaluate the measurement data obtained by the communication function. When an abnormality is found as a result of the evaluation, an alarm is issued and a control signal is sent to the system monitoring and control devices (slaves) 2 and 8. The system monitoring control device (slave unit) 2 has a function of acquiring data from the error rate measuring device 7 and monitoring the status of the system switching devices 3 and 4, stores the obtained information, and monitors the system at regular intervals. The data is transmitted to the control device (master) 1. Further, it receives a control signal from the system monitoring controller (master) 1 and controls switching of the system switches 3 and 4.
【００１３】システム切替器（具体的に３はＯＦＤＭ変
調器用、４はＳＴＬ送信装置用）３，４はシステム監視
制御装置（子機）２からの制御信号により現用運用装置
出力から予備装置出力へと切り替える。測定信号切替器
５はＯＦＤＭ変調器出力信号、ＳＴＬ送信装置出力信
号、エアモニアンテナ入力信号を一定時間ごとに切り替
え、測定信号をデジタル放送受信機６に入力する。デジ
タル放送受信機６は測定信号切替器５より入力された信
号に対し、ＯＦＤＭ復調を行ない誤り率測定用の信号を
出力する。誤り率測定器７は装置の特性劣化及び電波伝
播上で発生するデジタル放送のビット誤り率の測定を行
ない、システム監視制御装置（子機）２にデータを伝送
する。A system switch (specifically, 3 is for an OFDM modulator, 4 is for an STL transmitter), 3 and 4 are from the output of the active device to the output of the standby device according to a control signal from the system monitor and controller (slave) 2. And switch. The measurement signal switch 5 switches the output signal of the OFDM modulator, the output signal of the STL transmitter, and the input signal of the air monitor antenna at regular intervals, and inputs the measurement signal to the digital broadcast receiver 6. The digital broadcast receiver 6 performs OFDM demodulation on the signal input from the measurement signal switch 5 and outputs a signal for error rate measurement. The error rate measuring device 7 measures the bit error rate of the digital broadcast generated on the characteristic deterioration of the device and the propagation of radio waves, and transmits the data to the system monitoring and control device (slave device) 2.
【００１４】ＳＴＬ送信アンテナ２５は切替器４の出
力、即ち現用ＳＴＬ送信装置２３又は予備用ＳＴＬ送信
装置２４用の送信アンテナである。又、エアモニアンテ
ナ２６は演奏所３０近傍の電波をモニタ（受信）するア
ンテナである。The STL transmitting antenna 25 is an output of the switch 4, that is, a transmitting antenna for the active STL transmitting device 23 or the standby STL transmitting device 24. The air monitor antenna 26 is an antenna that monitors (receives) a radio wave near the performance place 30.
【００１５】親局送信所４０において、システム監視制
御装置（子機）８は誤り率測定器１３からのデータ取
得、システム切替器９，１０の状態監視を行なう機能を
有し、得られた情報を保存し、一定時間ごとにシステム
監視制御装置（親機）１に伝送する。又、システム監視
制御装置（親機）１からの制御信号を受け、システム切
替器９，１０の切替制御を行なう。システム切替器（具
体的に９はＳＴＬ受信装置用、１０はデジタル送信機
用）９，１０は、システム監視制御装置（子機）８から
の制御信号により現用運用装置出力から予備装置出力へ
と切り替える。In the master station transmitting station 40, the system monitoring and control device (slave unit) 8 has a function of acquiring data from the error rate measuring device 13 and monitoring the status of the system switching devices 9 and 10. Is stored and transmitted to the system monitoring control device (parent device) 1 at regular intervals. Further, it receives a control signal from the system monitoring control device (parent device) 1 and performs switching control of the system switching devices 9 and 10. The system switches (specifically, 9 is for the STL receiver, and 10 is for the digital transmitter) 9, 10 change from the output of the current operation device to the output of the standby device by a control signal from the system monitoring and control device (slave) 8. Switch.
【００１６】測定信号切替器１１はＳＴＬ受信装置出力
信号、デジタル送信機出力信号、エアモニアンテナ入力
信号を一定時間ごとに切り替え、測定信号をデジタル放
送受信機１２に入力する。デジタル放送受信機１２は測
定信号切替器１１より入力された信号に対し、ＯＦＤＭ
復調を行ない誤り率測定用の信号を出力する。誤り率測
定器１３は装置の特性劣化及び電波伝播上で発生するデ
ジタル放送のビット誤り率の測定を行ない、システム監
視制御装置（子機）８にデータを伝送する。The measurement signal switch 11 switches the output signal of the STL receiver, the output signal of the digital transmitter, and the input signal of the air monitor antenna at regular intervals, and inputs the measurement signal to the digital broadcast receiver 12. The digital broadcast receiver 12 applies OFDM to the signal input from the measurement signal switch 11.
It demodulates and outputs a signal for error rate measurement. The error rate measuring device 13 measures the characteristic error of the device and the bit error rate of digital broadcasting generated on radio wave propagation, and transmits data to the system monitoring and control device (slave device) 8.
【００１７】放送波送信アンテナ３２は切替器１０の出
力、即ち現用デジタル送信機２９又は予備用デジタル送
信機３１用の送信アンテナである。又、エアモニアンテ
ナ３３は放送波送信アンテナ３２からの電波をモニタ
（受信）するアンテナである。次に、図１を参照して本
発明の動作を説明する。親局送信所４０において、送信
システムの現用系の各ポイント、具体的にはＳＴＬ受信
装置出力信号、デジタル送信機出力信号、又、エアモニ
アンテナ入力信号を測定信号切替器１１に入力し、デジ
タル放送受信機１２に一定時間ごとに信号を切り替え出
力する。デジタル放送受信機１２は入力信号のＯＦＤＭ
復調を行ない、誤り率測定用信号を誤り率測定器１３に
出力する。The broadcast wave transmitting antenna 32 is a transmitting antenna for the output of the switch 10, that is, the working digital transmitter 29 or the standby digital transmitter 31. The air monitor antenna 33 is an antenna that monitors (receives) radio waves from the broadcast wave transmitting antenna 32. Next, the operation of the present invention will be described with reference to FIG. At the master station transmitting station 40, each point of the working system of the transmission system, specifically, the output signal of the STL receiver, the output signal of the digital transmitter, and the input signal of the air monitor antenna are input to the measurement signal switch 11, and the digital broadcast is transmitted. The signal is switched and output to the receiver 12 at regular intervals. The digital broadcast receiver 12 uses OFDM for the input signal.
The demodulation is performed, and an error rate measurement signal is output to the error rate measuring device 13.
【００１８】誤り率測定器１３は、デジタル放送受信機
１２より出力されたデジタル信号のビット誤り率の測定
を行なう。システム監視制御装置（子機）８において誤
り率測定のデータ及びシステム切替器９，１０の状態を
収集、保存する。システム監視制御装置（子機）８に貯
えられた情報は、システム監視制御装置（親機）１に一
定時間ごとに伝送され、誤り率測定結果、システム切替
器の状態が表示されると共に、誤り率のデータとあらか
じめ決められた基準値とが比較され、データの評価が行
なわれる。その結果、基準値を下回っているデータがあ
れば、アラームを表示すると共に、異常と思われる装置
を特定し、予備装置へ切り替えるよう、制御信号をシス
テム監視装置（子機）８に対して送出する。The error rate measuring device 13 measures the bit error rate of the digital signal output from the digital broadcast receiver 12. The system monitoring controller (slave) 8 collects and stores the data of the error rate measurement and the states of the system switches 9 and 10. The information stored in the system monitoring and control device (slave unit) 8 is transmitted to the system monitoring and control device (master unit) 1 at regular intervals, and the error rate measurement result, the state of the system switch are displayed, and the error is displayed. The rate data is compared with a predetermined reference value, and the data is evaluated. As a result, if any data is below the reference value, an alarm is displayed, and a control signal is transmitted to the system monitoring device (slave unit) 8 so as to specify a device considered to be abnormal and to switch to the standby device. I do.
【００１９】システム監視装置（子機）８はその制御信
号を受け取り、システム切替器９もしくはシステム切替
器１０に対して切り替えの制御を行い現用装置運用から
予備装置運用に切り替えを行なう。The system monitoring device (slave unit) 8 receives the control signal, controls the switching to the system switch 9 or the system switch 10, and switches from the operation of the active device to the operation of the standby device.
【００２０】又、演奏所３０においても、ＯＦＤＭ変調
器出力信号、ＳＴＬ送信装置出力信号、エアモニアンテ
ナ入力信号についての誤り率測定を上記と同様な手順で
行ない、システム監視制御装置（子機）２により、誤り
率測定結果及びシステム切替器３，４の状態を収集し、
一定時間ごとにシステム監視制御装置（親機）１に伝送
する。In the music hall 30, the error rate of the output signal of the OFDM modulator, the output signal of the STL transmitter, and the input signal of the air monitor antenna are measured in the same procedure as described above. By collecting the error rate measurement results and the status of the system switches 3 and 4,
The data is transmitted to the system monitoring control device (parent device) 1 at regular intervals.
【００２１】システム監視制御装置（親機）１において
上記と同様に情報、データの処理を行ない、異常と思わ
れる装置があればアラーム表示、予備装置運用に切替を
行なう。Information and data are processed in the system monitoring and control device (master) 1 in the same manner as described above, and if there is a device which seems to be abnormal, an alarm is displayed and switching to standby device operation is performed.
【００２２】このようにして、現用系の重要ポイントの
誤り率を監視することにより、問題の早期発見、アラー
ム発生の際、異常と思われる装置を即座に特定し予備系
統に切り替え、問題を改善することが可能になる。In this way, by monitoring the error rate of important points in the active system, when a problem is detected early and an alarm is generated, a device considered to be abnormal is immediately identified and switched to a standby system to improve the problem. It becomes possible to do.
【００２３】次に、第２の実施の形態について説明す
る。図２は第２の実施の形態の構成図である。同図を参
照すると、デジタル放送監視システムは第１の実施の形
態と同様の演奏所３０と、親局送信所５０と、中継局６
０とから構成されている。親局送信所５０と中継局６０
との構成の詳細については図示するに止どめる。要する
に、送信所５０と中継局６０の各々にも演奏所３０のシ
ステム監視装置（子機）２と同様のシステム監視装置
（子機）５１及び６１が設けられており、演奏所３０の
システム監視装置（親機）１はシステム監視装置（子
機）２，５１及び６１からの誤り率測定結果に基づき、
システム監視装置（子機）２，５１及び６１に対し予備
装置への切替え制御信号を送出する。Next, a second embodiment will be described. FIG. 2 is a configuration diagram of the second embodiment. Referring to the figure, the digital broadcast monitoring system includes a performance station 30, a master station transmitting station 50, and a relay station 6 similar to those in the first embodiment.
0. Master station transmitting station 50 and relay station 60
The details of the configuration will only be illustrated. In short, each of the transmitting station 50 and the relay station 60 is also provided with system monitoring devices (slave devices) 51 and 61 similar to the system monitoring device (slave device) 2 of the music performance room 30. The device (parent device) 1 is based on the error rate measurement results from the system monitoring devices (child devices) 2, 51 and 61,
A control signal for switching to the standby device is sent to the system monitoring devices (child devices) 2, 51 and 61.
【００２４】このように、演奏所と親局送信所との２者
の組み合わせのみならず、図２に示すような演奏所、親
局送信所及び中継局の３者の組み合わせ、あるいは４者
以上の組み合わせにも本発明を適用することが可能であ
る。As described above, not only the combination of the performance station and the transmitting station of the master station, but also the combination of the playing station, the transmitting station of the master station and the relay station as shown in FIG. The present invention can also be applied to combinations of
【００２５】又、本発明ではシステム監視装置（親機）
１を演奏所３０内に設けたが、このシステム監視装置
（親機）１を親局送信所４０，５０あるいは中継局６０
に設けることも可能である。In the present invention, a system monitoring device (master device)
The system monitoring device (parent device) 1 is provided in the performance center 30.
Can also be provided.
【００２６】又、上述した実施の形態においては、演奏
所、親局送信所の伝送方式をＳＴＬリンクによって説明
したが、例えば光ケーブルによる伝送等を、有線／無線
伝送方式に関わらず本発明に適用することが可能であ
る。In the above-described embodiment, the transmission method of the music station and the master station transmission station has been described by using the STL link. However, for example, transmission by an optical cable is applied to the present invention regardless of the wired / wireless transmission method. It is possible to
【００２７】[0027]
【発明の効果】本発明によれば、演奏所及びこの演奏所
から送信されるデジタル放送を受信しさらに外部に送信
する親局送信所を含み、かつ前記演奏所及び前記親局送
信所は現用系及び予備系の送信及び受信装置を有するデ
ジタル放送送信系を監視するデジタル放送監視システム
であって、前記演奏所は前記演奏所及び前記親局送信所
からの前記送信及び受信装置の動作状態情報に基づき、
前記演奏所及び前記親局送信所内の前記送信及び受信装
置を前記現用系から前記予備系に切替えさせる切替え制
御信号を出力する送信系切替え手段を含むため、演奏所
及び親局送信所における送信及び受信装置の誤り率の劣
化を検出し、異常と思われる装置を早急に予備装置に自
動で切り替えることが可能となる。According to the present invention, there is provided a music playing place and a master station transmitting station for receiving a digital broadcast transmitted from the music playing place and further transmitting the digital broadcasting to the outside. A digital broadcast monitoring system for monitoring a digital broadcast transmission system having a transmission system and a standby system transmission and reception device, wherein the performance site is operating state information of the transmission and reception device from the performance site and the master station transmission site. Based on
The system includes transmission system switching means for outputting a switching control signal for switching the transmitting and receiving devices in the performance station and the master station transmission station from the working system to the standby system. It is possible to detect the deterioration of the error rate of the receiving device and automatically switch the device considered to be abnormal to the standby device immediately.
【００２８】具体的には、第１に、送信システム設備の
経年変化による特性劣化、装置故障を早期に捉えること
が出来る。第２に、どの装置において特性劣化、故障が
起こっているかを特定することが出来る。第３に、異常
と思われる装置を早急に予備装置に自動で切り替えるこ
とが出来、システムの使用者が親局送信所まで行く必要
がない。More specifically, firstly, it is possible to catch characteristics deterioration and equipment failure due to aging of the transmission system equipment at an early stage. Second, it is possible to identify which device has a characteristic deterioration or a failure. Third, a device considered to be abnormal can be automatically switched to a spare device immediately without the need for the system user to go to the master station transmitting station.
【図１】本発明に係るデジタル放送監視システムの第１
の実施の形態の構成図である。FIG. 1 is a first diagram of a digital broadcast monitoring system according to the present invention.
It is a lineblock diagram of an embodiment.
【図２】第２の実施の形態の構成図である。FIG. 2 is a configuration diagram of a second embodiment.
１ システム監視制御装置（親機） ２，８，５１，６１ システム監視制御装置（子機） ３，４，９，１０ システム切替器 ７，１３ 誤り率測定器 ３０ 演奏所 ４０，５０ 親局送信所 ６０ 中継局 DESCRIPTION OF SYMBOLS 1 System monitoring and control device (parent device) 2, 8, 51, 61 System monitoring and control device (child device) 3, 4, 9, 10 System switching device 7, 13 Error rate measuring device 30 Performance room 40, 50 Master station transmission Place 60 Relay station
Claims (6)
ジタル放送を受信しさらに外部に送信する親局送信所を
含み、かつ前記演奏所及び前記親局送信所は現用系及び
予備系の送信及び受信装置を有するデジタル放送送信系
を監視するデジタル放送監視システムであって、 前記演奏所は前記演奏所及び前記親局送信所からの前記
送信及び受信装置の動作状態情報に基づき、前記演奏所
及び前記親局送信所内の前記送信及び受信装置を前記現
用系から前記予備系に切替えさせる切替え制御信号を出
力する送信系切替え手段を含むことを特徴とするデジタ
ル放送監視システム。The present invention further comprises a music station and a master station transmitting station for receiving and further transmitting a digital broadcast transmitted from the music station, and wherein the music station and the master station transmitting station are active and standby transmission systems. And a digital broadcast monitoring system for monitoring a digital broadcast transmission system having a reception device, wherein the performance site is based on operation state information of the transmission and reception device from the performance site and the master station transmission site. And a transmission system switching means for outputting a switching control signal for switching the transmitting and receiving device in the master station transmitting station from the working system to the standby system.
現用系及び予備系のいづれか一方の誤り率を測定する第
１誤り率測定手段を含み、かつ前記親局送信所は前記親
局送信所内の受信及び送信装置の現用系及び予備系のい
づれか一方の誤り率を測定する第２誤り率測定手段を含
み、前記送信系切替え手段は前記第１及び第２誤り率測
定手段から出力される誤り率測定結果に基づき前記切替
え制御信号を出力することを特徴とする請求項１記載の
デジタル放送監視システム。2. The performance hall includes first error rate measuring means for measuring an error rate of one of a working system and a standby system of a transmission device in the performance hall, and the master station transmission station is configured to transmit the master station transmission means. A second error rate measuring means for measuring an error rate of one of a working system and a protection system of the receiving and transmitting apparatus in the station, wherein the transmitting system switching means is outputted from the first and second error rate measuring means; 2. The digital broadcast monitoring system according to claim 1, wherein the switching control signal is output based on an error rate measurement result.
らの信号を受信しその受信信号の誤り率も測定すること
を特徴とする請求項２記載のデジタル放送監視システ
ム。3. The digital broadcast monitoring system according to claim 2, wherein said first error rate measuring means further receives an external signal and measures an error rate of the received signal.
局送信所からの送信信号を受信しその受信信号の誤り率
も測定することを特徴とする請求項２又は３記載のデジ
タル放送監視システム。4. The digital broadcast monitoring system according to claim 2, wherein said second error rate measuring means further receives a transmission signal from said master station transmitting station and measures an error rate of the received signal. system.
２誤り率測定手段から出力される誤り率測定結果を基準
値と比較する比較手段を含み、その比較結果に基づき前
記切替え制御信号を出力することを特徴とする請求項２
乃至４いずれかに記載のデジタル放送監視システム。5. The transmission system switching unit includes a comparison unit that compares an error rate measurement result output from the first and second error rate measurement units with a reference value, and based on the comparison result, generates the switching control signal. 3. The output according to claim 2,
A digital broadcast monitoring system according to any one of claims 1 to 4.
所及び前記親局送信所からの前記送信及び受信装置の動
作状態情報に基づき、アラームを表示することを特徴と
する請求項１乃至５いずれかに記載のデジタル放送監視
システム。6. The system according to claim 1, wherein said transmission system switching means displays an alarm based on operation state information of said transmitting and receiving device from said music station and said master station transmitting station. A digital broadcast monitoring system according to any of the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000037335A JP3603720B2 (en) | 2000-02-16 | 2000-02-16 | Digital broadcast monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000037335A JP3603720B2 (en) | 2000-02-16 | 2000-02-16 | Digital broadcast monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001230705A true JP2001230705A (en) | 2001-08-24 |
| JP3603720B2 JP3603720B2 (en) | 2004-12-22 |
Family
ID=18561234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000037335A Expired - Lifetime JP3603720B2 (en) | 2000-02-16 | 2000-02-16 | Digital broadcast monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3603720B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001326579A (en) * | 2000-05-15 | 2001-11-22 | Hitachi Kokusai Electric Inc | Transmission equipment |
| JP2007288625A (en) * | 2006-04-18 | 2007-11-01 | Japan Radio Co Ltd | Output switching device |
| JP2020080494A (en) * | 2018-11-13 | 2020-05-28 | 株式会社東芝 | Signal quality monitoring device and method |
-
2000
- 2000-02-16 JP JP2000037335A patent/JP3603720B2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001326579A (en) * | 2000-05-15 | 2001-11-22 | Hitachi Kokusai Electric Inc | Transmission equipment |
| JP2007288625A (en) * | 2006-04-18 | 2007-11-01 | Japan Radio Co Ltd | Output switching device |
| JP2020080494A (en) * | 2018-11-13 | 2020-05-28 | 株式会社東芝 | Signal quality monitoring device and method |
| JP7254485B2 (en) | 2018-11-13 | 2023-04-10 | 株式会社東芝 | Signal quality monitoring apparatus and method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3603720B2 (en) | 2004-12-22 |
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