WO2011013705A1 - 監視制御装置及び監視対象装置 - Google Patents
監視制御装置及び監視対象装置 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/04—Network management architectures or arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0695—Management of faults, events, alarms or notifications the faulty arrangement being the maintenance, administration or management system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/34—Signalling channels for network management communication
- H04L41/344—Out-of-band transfers
Definitions
- the present invention relates to a technique for monitoring and controlling a terminal device connected to a network.
- microwave communication systems have attracted attention as means for interpolating the middle of optical communication lines and wireless trunk lines.
- the microwave communication system has a wide range of uses such as a mobile phone network, inter-building communication, and replacement / backup of an optical communication network.
- the microwave communication system is a communication system that connects base stations in the mobile phone network market, which is expanding rapidly worldwide. Equipment economy, ease of construction, flexibility for system changes, and large capacity Demand is growing greatly due to such features.
- a monitoring control signal (hereinafter referred to as “SV signal”) is used to dynamically realize the above-described monitoring / control line switching processing and path change processing.
- the SV signal is separated from the main signal in a wired section line between NEs and communicated using different paths.
- the SV signal may be multiplexed with the main signal in a wired section line between NEs and communicated using the same route.
- SV is an abbreviation for Supervisory.
- the NMS When the SV signal is separated from the main signal and communication is performed, it becomes impossible for the NMS to continue monitoring and controlling the NE if a failure occurs in the path used for the SV signal communication. End up. On the other hand, when the SV signal is multiplexed with the main signal and communication is performed, it is impossible for the NMS to continue monitoring and controlling the NE if a failure occurs in the path used for main signal communication. It becomes possible.
- the present invention provides monitoring control that allows monitoring or control of a network element to be continued even when a failure occurs in either the monitoring control signal path or the main signal path.
- An object is to provide a device and a monitoring target device.
- the monitoring control apparatus passes either a main signal in which a monitoring control signal for monitoring and controlling a monitoring target apparatus is multiplexed or a main signal in which the monitoring control signal is not multiplexed.
- a first path connection unit connected to a main signal path, a second path connection unit connected to a monitor control signal path for passing the monitor control signal, and transmission / reception of the monitor control signal to and from the main signal path and the monitor control
- a monitoring unit including a selection unit that selects whether to perform a signal path, when a failure occurs in the main signal path, the monitoring control signal is transmitted through the monitoring control signal path, and the monitoring is performed.
- a monitoring control unit is provided that transmits the monitoring control signal through the main signal path when a failure occurs in the control signal path.
- the monitoring target device is monitored and controlled by the monitoring control device, and the monitoring control signal for monitoring and controlling the own device by the monitoring control device is multiplexed with the main signal or the monitoring control signal.
- a first path connection unit connected to a main signal path for passing any of the unmultiplexed main signals; a second path connection unit connected to a monitor control signal path for passing the monitor control signal; and the supervisory control
- a selection unit that selects whether the signal transmission / reception is performed by the main signal path or the monitoring control signal path.
- the present invention it becomes possible to continue monitoring or controlling the network element even when a failure occurs in either the monitoring control signal path or the main signal path.
- route is represented.
- It is a system configuration
- FIG. 8 is a configuration example of physical connection in a case where IDUs perform wired communication in the modification example illustrated in FIG. 7.
- FIG. 1 is a system configuration diagram showing a system configuration of the communication system 1.
- FIG. 1 shows a configuration when the communication system 1 is applied to a microwave communication system.
- the NE (Network Element) 100 (100-1 to 100-5) of the microwave communication system communicates with the NMS (Network Management System) 200 via the network 300.
- the NE 100 communicates with another adjacent NE 100 by wired communication or microwave communication.
- the microwave communication system is an aspect of the communication system 1.
- the communication system 1 may be applied to a communication system that employs another communication method as long as the NMS 200 monitors and controls a plurality of NEs 100 installed in a network that partially includes a wired communication path. .
- the NE (monitored device) 100 includes an IDU (Indoor Unit) 110, an ODU (Outdoor Unit) 120, and a separation / synthesizer (HYB) (not shown).
- the IDU 110 processes a signal and realizes communication with another NE 100 via the ODU 120 or a wired cable connected to the IDU 110.
- the ODU 120 includes an antenna, and performs wireless communication by microwave communication with other ODUs 120 that face each other.
- the NMS (supervisory control device) 200 transmits and receives a supervisory control signal (SV signal: Supervisory signal) to and from each NE 100 via the network 300 to thereby monitor and control the NE 100 of the communication system 1. Have.
- the monitoring control unit 210 of the NMS 200 performs transmission / reception of the main signal via the network 300.
- the monitoring control unit 210 of the NMS 200 is simply referred to as the NMS 200.
- the communication system 1 includes a communication path (hereinafter referred to as “main signal path”) used when transmitting / receiving a main signal and a communication path (hereinafter referred to as “SV signal path”) used when transmitting / receiving an SV signal. .) 1 to 3, 7, and 8, a path indicated by a symbol P (a solid line path) indicates a main signal path. A path with a symbol Q (broken line) indicates an SV signal path.
- the main signal path and the SV signal path are realized by using physically different cables and lines.
- the main signal is a main signal transmitted and received in the communication system 1.
- the main signal includes, for example, a signal (user data signal) transmitted / received by a terminal device of an end user and a control signal between the NEs 100 transmitted / received by the NE 100 to / from another NE 100.
- the SV signal is a signal used when the NMS 200 performs monitoring and control of each NE 100.
- the main signal path P and the SV signal path Q are connected from the network 300 to the NE 100-1.
- a main signal path P is formed between the NE 100-1 and the NE 100-5.
- a main signal path P and an SV signal path Q are formed between the NE 100-2 and the NE 100-3 and between the NE 100-6 and the NE 100-7.
- An SV signal path Q is formed between the NE 100-4 and the NE 100-8.
- microwave communication a main signal and an SV signal are transmitted and received. Therefore, microwaves are connected between NE100-1 and NE100-2, between NE100-3 and NE100-4, between NE100-5 and NE100-6, and between NE100-7 and NE100-8, respectively.
- the main signal and the SV signal are transmitted and received by communication.
- FIG. 2 is a diagram illustrating a configuration example of the logical connection of the modem 111.
- the modem 111 is provided in the IDU 110, performs signal conversion processing, and performs wireless communication via the ODU 120.
- the main signal and the SV signal are transmitted and received as described above.
- the SV signal is multiplexed and transmitted (in-band transmission) by the modem 111 into the radio frame of the main signal.
- the modem 111 includes a management unit 112 (detection unit), a management switch (selection unit) 113, a first port (first path connection unit) 114, and a second port (second path connection unit) 115.
- the management unit 112 performs a separation process of the SV signal multiplexed on the main signal and a multiplexing process (synthesis process) of the SV signal with respect to the main signal.
- the management unit 112 switches the management switch 113 in accordance with the control performed by the NMS 200.
- the management unit 112 performs abnormality detection / fault management such as LOS (LossLof Frame), LOF (Loss of Frame), and OOF (Out of Frame) of the SV signal.
- LOS LissLof Frame
- LOF Loss of Frame
- OOF Out of Frame
- the management switch 113 is controlled by the management unit 112 and selects the first port 114 or the second port 115.
- the first port 114 transmits traffic of either a main signal in which NMS / NE management data (SV signal) is multiplexed or a main signal in which an SV signal is not multiplexed.
- the second port 115 transmits traffic of only the SV signal. Since the second port 115 does not transmit main signal traffic, it is possible to avoid network congestion of the main signal when the SV signal and the main signal are transmitted without being multiplexed.
- the management switch 113 selects the first port 114, the second port 115 is not used, and in-band transmission of the main signal and the SV signal is executed at the first port 114.
- the management switch 113 selects the second port 115, the first port 114 transmits only the main signal, and the second port 115 transmits only the SV signal by out-of-band transmission. Therefore, regardless of the selection state of the management switch 113, the first port 114 always transmits the main signal, and the second port 115 does not transmit the main signal.
- FIG. 3 is a configuration example of physical connection when the IDUs 110 perform wired communication.
- FIG. 3 shows an example of connection of each IDU 110 of NE 100-1 and NE 100-5 among the eight NEs 100 in FIG.
- Each IDU 110 is connected to a cable via the respective first port 114 to form a main signal path P.
- the network 300 is represented as a network device 310.
- the NMS 200 monitors and controls each NE 100 via the network device 310.
- FIG. NE # 1 to NE # 4 in FIGS. 4 to 6 do not necessarily correspond to NE100-1 to NE100-4 in FIG. That is, NE # 1 to NE # 4 in FIGS. 4 to 6 are communicably connected to the NMS 200 via the network 300, and a part of the network with the NMS 200 includes a wired communication path. Just do it.
- the NE # 1 to NE # 4 may be connected to the NMS 200 in any network configuration as long as the network configuration satisfies the above conditions.
- NE # 1 to NE # 4 may be configured as terminals (for example, NE100-1 and NE100-5 in FIG. 1) that are all connected to network 300 by wired communication.
- NE # 1 to NE # 4 are also expressed as NE100 # 1 to NE100 # 4.
- FIG. 4 shows a sequence on the assumption that all of the main signal path and SV signal path in each NE 100 (NE # 1 to NE # 4) are operating normally.
- each NE 100 detects a primary IP address of an adjacent NE 100 by wired communication or microwave communication, and establishes a connection (step S101). It is assumed that an IP address is registered in advance in each port of the IDU 110 of each NE 100, and the primary IP address of the IDU 110 is selected based on the IP address of each port.
- the NMS 200 transmits a polling request to each NE 100 (step S102).
- each NE 100 transmits a Polling response to the NMS 200 that is the source of the Polling request (Steps S103 to S106).
- the NMS 200 confirms that the Polling response has been received from all the NEs 100, and completes the connection confirmation (step S107). Commands for the processes in steps S101 to S106 are transmitted and received by using the SV signal.
- FIG. 5 shows a sequence of path change processing by the NMS 200 when an abnormality occurs in either the main signal path or the SV signal path. More specifically, FIG. 5 shows that the management switch 113 of the modem 111 of each IDU 110 has previously selected the second port 115 (out-of-band), and the SV between the NE 100 # 3 and the NE 100 # 4 A sequence when a failure occurs in the signal path is shown.
- the main signal path (wired connection) via the first port 114 of each NE 100 is normal, and the main signal is multiplexed with a monitoring line switching command (monitoring line switching request, monitoring line switching response) frame as an auxiliary signal. It is assumed that
- each NE 100 detects a primary IP address of an adjacent NE 100 by wired communication or microwave communication and establishes a connection, as in the case of FIG. 4 (step S201).
- the NMS 200 transmits a polling request to each NE 100 (step S202).
- the management switch 113 of the modem 111 of each IDU 110 has previously selected the second port 115 (out-of-band), and there is a failure in the SV signal path between the NE 100 # 3 and the NE 100 # 4. Has occurred. Therefore, the polling request transmitted as the SV signal does not reach the NE 100 # 4, and the NMS 200 does not receive the polling response from the NE 100 # 4 (step S206).
- NMS 200 receives the Polling response from NE 100 # 1 to NE 100 # 3 (steps S203 to S205).
- the NMS 200 transmits a monitoring line switching request to the NE 100 # 4 that has not received the Polling response (step S207).
- the NM 200 transmits a monitoring line switching request to the NE 100 when the Polling request has not been received even after a predetermined time has elapsed since the Polling request was transmitted in the process of Step S202.
- the monitoring line switching request is multiplexed with the main signal and transmitted / received. Further, in the case of FIG. 5, no failure has occurred in the main signal path. Therefore, even if a failure has occurred in the SV signal path, the monitoring line switching request transmitted from the NMS 200 reaches the NE 100 # 4.
- the management unit 112 of the NE 100 # 4 controls the management switch 113 to change the selected port from the second port 115 to the first port 114 and switch the monitoring line. I do.
- NE 100 # 4 transmits a monitoring line switching response to NMS 200 (step S208). At this time, the NE 100 # 4 transmits the monitoring line switching response by multiplexing the monitoring line switching response as an auxiliary signal with respect to the main signal.
- the NMS 200 When the NMS 200 receives the monitoring line switching response from the NE 100 # 4, the NMS 200 receives the route after the line switching for each NE 100 (for the NE 100 # 1 to 100 # 3, the route via the second port 115, and for the NE 100 # 4 The route via the first port 114) is sent (step S209). Thereafter, the NMS 200 can monitor and control the NE by the SV signal.
- each NE 100 performs adjacent NE detection triggered by the reception of the monitoring line switching notification (step S210). This process is the same as the process of step S201 except that the communication path for NE 100 # 4 is different.
- the NMS 200 transmits a polling request using the route after line switching in the same manner as in step S201 (step S211).
- the NMS 200 receives a polling response from each NE 100 through the route after line switching (steps S212 to S215). Thereafter, the NMS 200 confirms that the Polling response has been received from all the NEs 100, and completes the connection confirmation (Step S216).
- the adjacent NE detection, polling request, and polling response commands are transmitted and received by using the SV signal.
- the route after line switching is the route via the second port 115 for the NEs 100 # 1 to 100 # 3 and the route via the first port 114 for the NE100 # 4.
- the route for all of NE100 # 1 to NE100 # 4 may be the route via first port 114.
- the management unit 112 of each NE 100 is triggered by the reception of the monitoring line switching notification, and controls the management switch 113 before detecting the adjacent NE, thereby changing the selected port from the second port 115 to the first port 114. Change and switch the monitoring line.
- Each NE 100 performs adjacent NE detection on the route after the line switching. However, in this case, it is assumed that no failure has occurred in the communication path by the first port 114 in the NEs 100 # 1 to NE100 # 3.
- FIG. 6 shows a sequence of path change processing by each NE 100 when an abnormality occurs in the main signal path or the SV signal path. More specifically, FIG. 6 shows a sequence when a failure occurs between the NE 100 # 3 and the NE 110 # 4. The sequence in FIG. 6 is based on the assumption that the NE 100 that has detected the fault has a redundant path by wired connection, and that the SV signal is multiplexed with the command line switching command frame as an auxiliary signal in the same way as the main signal. And
- the management unit 112 of each NE 100 detects that an abnormality has occurred in the SV signal (step S301)
- the management unit 112 performs line switching by controlling the management switch 113. For example, when the second port 115 is selected when the occurrence of abnormality is detected, the first port 114 is changed to when the second port 115 is selected, and when the first port 114 is selected when occurrence of the abnormality is detected. Is changed to the second port 115.
- the NE 100 (NE 100 # 4 in FIG. 6) that has detected that an abnormality has occurred in the SV signal transmits a monitoring line switching response to the NMS 200 (step S302). At this time, the NE 100 # 4 transmits the monitoring line switching response by multiplexing the monitoring line switching response as an auxiliary signal with respect to the main signal.
- the NMS 200 When the NMS 200 receives the monitoring line switching response from any of the NEs 100, the NMS 200 transmits a monitoring line switching notification to all the NEs 100 using the route after the line switching (step S303). Thereafter, the NMS 200 can monitor and control the NE 100 with respect to each NE 100 using the SV signal. Each NE 100 performs adjacent NE detection triggered by the reception of the monitoring line switching notification (step S304). Thereafter, the NMS 200 transmits a polling request to each NE 100 and completes connection confirmation using the route after the line switching (step S305).
- the route for all of NE100 # 1 to NE100 # 4 may be a route via the same port.
- the management unit 112 of each NE 100 changes the selected port and switches the monitoring line by controlling the management switch 113 before detecting the adjacent NE, triggered by the reception of the monitoring line switching notification.
- Each NE 100 performs adjacent NE detection on the route after the line switching. In this case as well, it is assumed that no failure has occurred in the communication path used after switching in the NE 100 # 1 to NE 100 # 3.
- the NMS 200 can detect the occurrence of a failure by not receiving a polling response and switch the monitoring line between the NMS / NE.
- the route change process of the monitoring line can be dynamically performed by the NMS 200.
- the NE 100 can switch over the monitoring line between the NMS / NE upon detection of a failure of the SV signal. In other words, it becomes possible for each NE 100 to dynamically change the monitoring line route.
- FIG. 7 is a system configuration diagram illustrating a system configuration of a modified example of the communication system 1.
- the system configuration shown in FIG. 7 is that NE100-1 and NE100-5 are connected by a main signal path and an SV signal path, and NE100-4 and NE100-8 are a main signal path and an SV signal path. Is different from the system configuration shown in FIG.
- the system configuration shown in FIG. 7 is the same as that of FIG. 1 for the remaining configuration.
- FIG. 8 is a configuration example of physical connection when the IDUs 110 communicate with each other in a modified example.
- FIG. 8 shows an example of connection of each IDU 110 of NE 100-1 and NE 100-5 among the eight NEs 100 in FIG.
- Each IDU 110 is connected to a cable via the respective first port 114 to form a main signal path P.
- each IDU 110 is connected to a cable via the respective second port 115 to form an SV number route Q.
- the network 300 is represented as a network device 310. In this case, the NMS 200 monitors and controls each NE 100 via the network device 310.
- the second port 115 when the second port 115 is selected in the NE 100, it is also possible to transmit the traffic of the SV signal using the first port 114. In this case, since the same SV signal is transmitted to the first port 114 and the second port 115, the NMS / NE monitoring / control line can be duplexed as shown in FIG. 7, and the reliability is improved.
- the present invention can be applied to a technique for monitoring and controlling a terminal device connected to a network. According to the present invention, it is possible to continue monitoring or controlling a network element even when a failure occurs in either the monitoring control signal path or the main signal path.
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Abstract
Description
第一ポート114は、NMS/NE管理データ(SV信号)が多重化された主信号又はSV信号が多重化されていない主信号のいずれかのトラフィックを伝送する。第二ポート115は、SV信号のみのトラフィックを伝送する。第二ポート115は、主信号のトラフィックを伝送しないため、SV信号と主信号とが多重化されずに伝送される場合には、主信号のネットワーク輻輳を回避することが可能である。
図7は、通信システム1の変形例のシステム構成を表すシステム構成図である。図7に表されるシステム構成は、NE100-1とNE100-5とが主信号経路及びSV信号経路で接続されている点、及びNE100-4とNE100-8とが主信号経路及びSV信号経路で接続されている点で図1に表されるシステム構成と異なる。図7に表されるシステム構成は、残る構成については図1と同じである。
200 NMS(監視制御装置)
300 ネットワーク
110 IDU
111 モデム
112 管理部(検出部)
113 管理スイッチ(選択部)
114 第一ポート(第一経路接続部)
115 第二ポート(第二経路接続部)
120 ODU
Claims (10)
- 監視対象装置を監視制御するための監視制御信号が多重化された主信号又は前記監視制御信号が多重化されていない主信号のいずれかを通す主信号経路に接続される第一経路接続部と、前記監視制御信号を通す監視制御信号経路に接続される第二経路接続部と、前記監視制御信号の送受信を前記主信号経路と前記監視制御信号経路とのいずれによって行うか選択する選択部と、を備える監視対象装置に対し、前記主信号経路に障害が生じた場合には前記監視制御信号経路によって前記監視制御信号を送信し、前記監視制御信号経路に障害が生じた場合には前記主信号経路によって前記監視制御信号を送信する監視制御部を備える監視制御装置。
- 前記監視対象装置は、無線通信によって、他の監視対象制御装置と通信を行う請求項1に記載の監視制御装置。
- 前記監視対象装置は、マイクロ波通信による無線通信によって、前記他の監視対象制御装置と通信を行う請求項2に記載の監視制御装置。
- 前記監視制御部は、前記監視対象装置に対してPolling要求を送信し、前記監視制御部は、前記Polling要求を送信してから所定の時間以内に前記監視対象装置からPolling応答を受信していない場合に、前記監視対象装置に対して監視回線切替要求を送信する請求項1に記載の監視制御装置。
- 監視制御装置によって監視制御される監視対象装置であって、
前記監視制御装置が前記監視対象装置を監視制御するための監視制御信号が多重化された主信号又は前記監視制御信号が多重化されていない主信号のいずれかを通す主信号経路に接続される第一経路接続部と、
前記監視制御信号を通す監視制御信号経路に接続される第二経路接続部と、
前記監視制御信号の送受信を前記主信号経路と前記監視制御信号経路とのいずれによって行うか選択する選択部と、を備える監視対象装置。 - 前記監視制御信号が現在送受信されている経路における障害の発生を検出する検出部をさらに備え、
前記選択部は、前記検出部が前記障害の発生を検出した場合に、現在選択されている経路とは異なる経路を選択する請求項5に記載の監視対象装置。 - 前記監視対象装置は、無線通信によって、他の監視対象制御装置と通信を行う請求項5に記載の監視対象装置。
- 前記監視対象装置は、マイクロ波通信による無線通信によって、前記他の監視対象制御装置と通信を行う請求項7に記載の監視対象装置。
- 前記監視対象装置が前記監視制御装置から監視回線切替要求を受信すると、前記選択部は、現在選択されている経路とは異なる経路を選択し、前記監視対象装置は、前記監視制御装置に対して監視回線切替応答を送信する請求項5に記載の監視対象装置。
- 監視対象装置を監視制御するための監視制御信号を、前記監視制御信号が多重化された主信号又は前記監視制御信号が多重化されていない主信号のいずれかを通す主信号経路と、前記監視制御信号を通す監視制御信号経路とのいずれかによって監視対象装置に対して送信することを含む監視制御方法であって、
前記主信号経路に障害が生じた場合には前記監視制御信号経路によって前記監視対象装置に対して前記監視制御信号を送信し、前記監視制御信号経路に障害が生じた場合には前記主信号経路によって前記監視対象装置に対して前記監視制御信号を送信する監視制御方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012101877/07A RU2490793C1 (ru) | 2009-07-31 | 2010-07-28 | Контрольно-управляющее устройство и целевое устройство контроля |
JP2011524812A JP5626212B2 (ja) | 2009-07-31 | 2010-07-28 | 通信システム及び通信方法 |
BR112012000090A BR112012000090A2 (pt) | 2009-07-31 | 2010-07-28 | dispositivo de monitoramento e controle, dispositivo alvo de monitoramento e método de monitoramento e controle |
CN2010800332153A CN102474301A (zh) | 2009-07-31 | 2010-07-28 | 监视控制装置以及监视对象装置 |
US13/386,602 US8964534B2 (en) | 2009-07-31 | 2010-07-28 | Monitor/control device and monitor target device |
EP10804451.2A EP2461488A4 (en) | 2009-07-31 | 2010-07-28 | MONITOR / CONTROL DEVICE AND MONITOR TARGET |
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PCT/JP2010/062704 WO2011013705A1 (ja) | 2009-07-31 | 2010-07-28 | 監視制御装置及び監視対象装置 |
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US (1) | US8964534B2 (ja) |
EP (1) | EP2461488A4 (ja) |
JP (1) | JP5626212B2 (ja) |
CN (1) | CN102474301A (ja) |
BR (1) | BR112012000090A2 (ja) |
RU (1) | RU2490793C1 (ja) |
WO (1) | WO2011013705A1 (ja) |
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JP6378633B2 (ja) * | 2015-02-04 | 2018-08-22 | 日本電信電話株式会社 | 伝送パス管理制御システム、伝送パス管理制御方法および制御プログラム |
US10730586B2 (en) | 2017-09-15 | 2020-08-04 | Orbis Wheels, Inc. | Energy recovery system and method of power transmission |
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FI109737B (fi) * | 1993-08-25 | 2002-09-30 | Nokia Corp | Menetelmä ja järjestelmä digitaalisen siirtolaitteen kantataajuisten vastaanottimien pääkanavien varmennusohjauksen suorittamiseksi |
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- 2010-07-28 JP JP2011524812A patent/JP5626212B2/ja not_active Expired - Fee Related
- 2010-07-28 CN CN2010800332153A patent/CN102474301A/zh active Pending
- 2010-07-28 RU RU2012101877/07A patent/RU2490793C1/ru not_active IP Right Cessation
- 2010-07-28 WO PCT/JP2010/062704 patent/WO2011013705A1/ja active Application Filing
- 2010-07-28 EP EP10804451.2A patent/EP2461488A4/en not_active Withdrawn
- 2010-07-28 US US13/386,602 patent/US8964534B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
US8964534B2 (en) | 2015-02-24 |
CN102474301A (zh) | 2012-05-23 |
RU2490793C1 (ru) | 2013-08-20 |
EP2461488A1 (en) | 2012-06-06 |
BR112012000090A2 (pt) | 2016-03-15 |
EP2461488A4 (en) | 2016-01-06 |
JPWO2011013705A1 (ja) | 2013-01-10 |
US20120120792A1 (en) | 2012-05-17 |
JP5626212B2 (ja) | 2014-11-19 |
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