WO2015145673A1 - 無線通信品質情報処理装置及び通信システム - Google Patents
無線通信品質情報処理装置及び通信システム Download PDFInfo
- Publication number
- WO2015145673A1 WO2015145673A1 PCT/JP2014/058901 JP2014058901W WO2015145673A1 WO 2015145673 A1 WO2015145673 A1 WO 2015145673A1 JP 2014058901 W JP2014058901 W JP 2014058901W WO 2015145673 A1 WO2015145673 A1 WO 2015145673A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wireless communication
- quality information
- communication quality
- wireless
- processing apparatus
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/403—Bus networks with centralised control, e.g. polling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/64—Hybrid switching systems
- H04L12/6418—Hybrid transport
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/04—Processing captured monitoring data, e.g. for logfile generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
Definitions
- the present invention relates to a wireless communication quality information processing apparatus and a communication system including the wireless communication quality information processing apparatus.
- a PLC Programmable Logic Controller
- a PLC network capable of large-scale control is constructed by connecting a plurality of PLCs with a network so that they can communicate with each other.
- the PLC network is required to have high reliability due to its nature, and it is necessary to perform cyclic and high-speed data communication. That is, the PLC network is characterized by high punctuality and transmission speed and low error rate.
- wireless networks for the purpose of controlling industrial equipment are also becoming popular from the viewpoint of ease of construction.
- communication quality may be degraded or a route may be changed.
- the wireless network is characterized by low punctuality and transmission speed and high error rate.
- it can be said that it is difficult to ensure reliability.
- Patent Document 1 discloses a technique for improving the reliability of data communication in a wireless LAN system. Specifically, when a failure occurs in an access point with which a wireless terminal is associated, the wireless terminal immediately performs data communication with an access point registered in advance as a backup access point.
- PLC network and wireless network Data communication between PLC network and wireless network is required.
- the PLC network and the wireless network are asynchronous and have different punctuality, transmission speed, and error rate as described above. Therefore, there is a problem that it is difficult to handle data from a wireless network in a PLC network that requires high reliability.
- One object of the present invention is to provide a technology that enables practical handling of data from a wireless network in a PLC network.
- a wireless communication quality information processing apparatus in a communication system includes a PLC network to which a PLC is connected, a wireless network to which a wireless slave station is connected, and a gateway station that connects the PLC network and the wireless network.
- the PLC network and the wireless network are asynchronous and perform data communication with each other via a gateway station.
- the wireless communication quality information processing apparatus includes a receiving unit, a wireless communication quality information generating unit, and a communication processing unit.
- the receiving unit receives a wireless communication frame transmitted from the wireless slave station.
- the wireless communication quality information generation unit generates wireless communication quality information indicating the quality of wireless communication in the wireless network from the characteristic information included in the received wireless communication frame.
- the communication processing unit determines whether to reflect the data included in the wireless communication frame as new data on the PLC network by referring to the wireless communication quality information.
- a communication system in another aspect of the present invention, includes a PLC network to which a PLC is connected, a wireless network to which a wireless slave station is connected, a gateway station that connects between the PLC network and the wireless network, and a wireless communication quality information processing apparatus.
- the PLC network and the wireless network are asynchronous and perform data communication with each other via a gateway station.
- the wireless communication quality information processing apparatus includes a receiving unit, a wireless communication quality information generating unit, and a communication processing unit.
- the receiving unit receives a wireless communication frame transmitted from the wireless slave station.
- the wireless communication quality information generation unit generates wireless communication quality information indicating the quality of wireless communication in the wireless network from the characteristic information included in the received wireless communication frame.
- the communication processing unit determines whether to reflect the data included in the wireless communication frame as new data on the PLC network by referring to the wireless communication quality information.
- FIG. 1 is a block diagram schematically showing a configuration example of a communication system according to Embodiment 1 of the present invention.
- FIG. 2 is a conceptual diagram showing a configuration example of a radio communication frame according to Embodiment 1 of the present invention.
- FIG. 3 is a block diagram showing a configuration example of the wireless communication quality information processing apparatus according to Embodiment 1 of the present invention.
- FIG. 4 is a flowchart showing processing by the wireless communication quality information processing apparatus according to Embodiment 1 of the present invention.
- FIG. 5 is a conceptual diagram showing an example of wireless communication quality information in Embodiment 1 of the present invention.
- FIG. 6 is a conceptual diagram showing a configuration example of a PLC communication frame according to Embodiment 1 of the present invention.
- FIG. 1 is a block diagram schematically showing a configuration example of a communication system according to Embodiment 1 of the present invention.
- FIG. 2 is a conceptual diagram showing a configuration example of a radio communication frame according to Em
- FIG. 7 is a block diagram schematically showing the operation of the communication system according to Embodiment 1 of the present invention.
- FIG. 8 is a block diagram schematically showing the operation of the communication system according to Embodiment 2 of the present invention.
- FIG. 9 is a block diagram showing a configuration example of a wireless communication quality information processing apparatus according to Embodiment 3 of the present invention.
- FIG. 10 is a block diagram schematically showing the operation of the communication system according to Embodiment 3 of the present invention.
- FIG. 11 is a block diagram schematically showing the operation of the communication system according to Embodiment 4 of the present invention.
- FIG. 12 is a block diagram showing a configuration example of a wireless communication quality information processing apparatus according to Embodiment 5 of the present invention.
- FIG. 1 is a block diagram schematically showing a configuration example of a communication system 1 according to Embodiment 1 of the present invention.
- the communication system 1 includes a PLC network 20, a wireless network 30, and a gateway station 12.
- the PLC network 20 is configured by connecting a plurality of PLCs so that they can communicate with each other.
- the PLC network 20 is configured by, for example, a wired LAN, but is not limited thereto.
- a master station 10 and a local station 11 are shown as PLCs.
- the master station 10 manages each station connected to the PLC network 20 including the local station 11.
- the PLC network 20 is required to have high reliability due to its nature, and it is necessary to perform cyclic and high-speed data communication. That is, the PLC network 20 is characterized by high punctuality and transmission speed and low error rate.
- the wireless network 30 is configured by connecting a plurality of wireless slave stations 13.
- the wireless network 30 is configured by a wireless LAN, for example, but is not limited thereto.
- communication quality may be degraded or a route may be changed. For this reason, there may occur a situation in which data communication is not performed due to a data communication delay due to a response time fluctuation or a data error. That is, the wireless network 30 is characterized by low punctuality and transmission speed and high error rate.
- the PLC network 20 and the wireless network 30 are asynchronous and have different punctuality, transmission speed, and error rate as described above.
- the gateway station 12 connects between the PLC network 20 and the wireless network 30. That is, the PLC network 20 and the wireless network 30 perform data communication with each other via the gateway station 12.
- the gateway station 12 includes a PLC network communication unit 12a and a wireless network communication unit 12b.
- the PLC network communication unit 12 a is connected to the PLC network 20 and communicates with the PLC network 20.
- the wireless network communication unit 12 b functions as a master station of the wireless network 30 and manages each station connected to the wireless network 30.
- the PLC network 20 and the wireless network 30 each perform cyclic communication.
- Each of the PLC network communication units 12 a of the master station 10, the local station 11, and the gateway station 12 includes a memory (eg, RAM) used for cyclic data communication with each station connected to the PLC network 20. Yes.
- each of the wireless network communication unit 12 b and the wireless slave station 13 of the gateway station 12 includes a memory used for cyclic data communication with each station connected to the wireless network 30.
- the cyclic data of the PLC network 20 and the cyclic data of the wireless network 30 are exchanged through the shared memories of the PLC network communication unit 12a and the wireless network communication unit 12b of the gateway station 12. Note that these memories are used not only in cyclic data communication performed at regular intervals but also in data communication performed aperiodically.
- FIG. 2 is a conceptual diagram showing a configuration example of a wireless communication frame WFL transmitted from the wireless slave station 13 in the wireless network 30.
- the wireless communication frame WFL includes header information, characteristic information, and a data body.
- the header information includes a data transmission destination, a transmission source, and a data type.
- the characteristic information includes a data creation time in the wireless slave station 13 as a transmission source, and a CRC (Cyclic Redundancy Check) code that is an example of an error detection code.
- the characteristic information may further include path information (topology information) of the wireless network 30 and received electric field strength measured by the wireless slave station 13.
- the wireless communication frame WFL as shown in FIG. 2 is cyclically communicated in the wireless network 30. That is, the wireless slave station 13 periodically transmits the wireless communication frame WFL as cyclic data.
- the wireless network communication unit 12b of the gateway station 12 that functions as a master station of the wireless network 30 can receive the wireless communication frame WFL from each wireless slave station 13, and can acquire the above-described characteristic information from the received wireless communication frame WFL. .
- the wireless communication quality information is information indicating the quality of wireless communication in the wireless network 30. It is the “wireless communication quality information processing apparatus 100” that acquires and uses such wireless communication quality information.
- the wireless communication quality information processing apparatus 100 is incorporated in the gateway station 12. However, as will be described later, the wireless communication quality information processing apparatus 100 may be incorporated in the PLC (10, 11).
- FIG. 3 is a block diagram illustrating a configuration example of the wireless communication quality information processing apparatus 100 according to the present embodiment.
- the wireless communication quality information processing apparatus 100 includes a reception unit 110, a wireless communication quality information generation unit 120, a communication processing unit 130, and a memory unit 150.
- the receiving unit 110 is realized by a communication interface.
- the wireless communication quality information generation unit 120 and the communication processing unit 130 are realized by a processor executing a control program.
- the control program may be recorded on a computer-readable recording medium.
- the memory unit 150 is a storage device that stores various data used for communication processing.
- Step S110 The receiving unit 110 receives the wireless communication frame WFL transmitted from the wireless slave station 13.
- Step S120 The wireless communication quality information generation unit 120 acquires characteristic information included in the received wireless communication frame WFL. Then, the wireless communication quality information generation unit 120 generates wireless communication quality information CQ from the acquired characteristic information.
- FIG. 5 shows an example of the wireless communication quality information CQ.
- the wireless communication quality information CQ includes the presence or absence of communication delay.
- the wireless communication quality information generation unit 120 can determine the presence or absence of a communication delay based on the current time and the data creation time included in the received wireless communication frame WFL. For example, if there is a difference of 1 second or more between the current time and the data creation time, it is determined that there is a communication delay. Similarly, the wireless communication quality information generation unit 120 can also calculate the average response time at the wireless slave station 13.
- the wireless communication quality information CQ includes the presence / absence of a data error.
- the wireless communication quality information generation unit 120 can determine the presence or absence of a data error by performing a CRC check using the CRC code included in the received wireless communication frame WFL.
- the wireless communication quality information CQ may further include path information (topology information) of the wireless network 30 and the received electric field strength measured by the wireless slave station 13.
- the wireless communication quality information generation unit 120 can use the path information and the received electric field strength included in the received wireless communication frame WFL as they are.
- Step S130 The communication processing unit 130 refers to the wireless communication quality information CQ generated in step S120, and determines whether or not the data included in the received wireless communication frame WFL is reflected on the PLC network 20 as “new data”. To do. At this time, the communication processing unit 130 determines whether or not the wireless communication quality indicated by the wireless communication quality information CQ satisfies a certain level.
- step S131; No, and step S132; No the communication processing unit 130 uses the data included in the received wireless communication frame WFL as new data in the PLC network. It is determined that it can be reflected in 20 (step S133). Thereafter, the process proceeds to step S140.
- step S131; Yes when there is a communication delay (step S131; Yes) or when there is a data error (step S132; Yes), the communication processing unit 130 uses the data included in the received wireless communication frame WFL as new data as a PLC network. 20 is determined not to be reflected (step S134). Thereafter, the process ends.
- step S130 the details of step S130 shown in FIG. 4 are an example, and the contents of step S130 can be designed as appropriate. For example, when there is no communication delay (step S131; No), or when there is no data error (step S132; No), the process proceeds to step S133, and when there is both a communication delay and a data error (step S131; Yes and step S132; Yes), the process may proceed to step S134.
- Step S140 The communication processing unit 130 transmits a PLC communication frame PFL corresponding to the received wireless communication frame WFL to the PLC network 20.
- FIG. 6 is a conceptual diagram showing a configuration example of the PLC communication frame PFL.
- the PLC communication frame PFL includes header information, a data body, and wireless communication quality information CQ.
- the header information includes a data transmission destination, a transmission source, and a data type.
- the data body is the same as that included in the received wireless communication frame WFL.
- the wireless communication quality information CQ is generated in step S120.
- the PLC communication frame PFL may further include a gateway parameter.
- the gateway parameter is a parameter set in the gateway station 12 and includes a communication cycle of the wireless network 30 and a threshold value used for determining the presence or absence of the communication delay.
- FIG. 7 schematically shows the operation of the communication system 1 when the gateway station 12 includes the wireless communication quality information processing apparatus 100.
- the wireless slave station 13 of the wireless network 30 transmits a wireless communication frame WFL by cyclic communication.
- the gateway station 12 including the wireless communication quality information processing apparatus 100 receives the wireless communication frame WFL and executes the processing shown in FIG.
- the gateway station 12 transmits the PLC communication frame PFL to the PLC network 20 by cyclic communication.
- the present embodiment is not limited to cyclic data communication performed at regular intervals, but can also be applied to data communication performed aperiodically.
- wireless communication quality information processing apparatus 100 automatically generates wireless communication quality information CQ from information included in received wireless communication frame WFL. Furthermore, the wireless communication quality information processing apparatus 100 refers to the wireless communication quality information CQ and automatically determines whether or not to reflect the received data as new data on the PLC network 20. Thereby, practical handling of data from the wireless network 30 in the PLC network 20 requiring high reliability is possible.
- the function of the wireless communication quality information processing apparatus 100 may be variably settable. For example, it may be possible to specify whether or not to perform the generation process (step S120) of the wireless communication quality information CQ.
- the radio communication quality information processing apparatus 100 holds a function designation parameter that designates whether or not to execute step S120, that is, whether to validate or invalidate the function of the radio communication quality information generation unit 120.
- the function designation parameter is stored, for example, in the memory unit 150 shown in FIG. If the function designation parameter designates “valid”, the wireless communication quality information generation unit 120 functions and executes step S120.
- the wireless communication quality information processing apparatus 100 holds a function designation parameter for designating whether or not to perform steps S130 and S140, that is, whether to validate or invalidate the function of the communication processing unit 130. If the function designation parameter designates “valid”, the communication processing unit 130 functions and performs steps S130 and S140.
- FIG. FIG. 8 schematically shows the operation of the communication system 1 when the PLC (master station 10 or local station 11) of the PLC network 20 includes the wireless communication quality information processing apparatus 100.
- the description which overlaps with Embodiment 1 is abbreviate
- the wireless slave station 13 of the wireless network 30 transmits a wireless communication frame WFL by cyclic communication.
- the gateway station 12 receives the wireless communication frame WFL, the gateway station 12 transfers the content of the wireless communication frame WFL to the PLC including the wireless communication quality information processing apparatus 100.
- the gateway station 12 also notifies the gateway parameter of the gateway parameter.
- the PLC provided with the wireless communication quality information processing apparatus 100 receives the wireless communication frame WFL and executes the processing shown in FIG. When reflection is possible (step S133), the PLC transmits the PLC communication frame PFL to the PLC network 20 by cyclic communication.
- the present embodiment is not limited to cyclic data communication performed at regular intervals, but can also be applied to data communication performed aperiodically.
- FIG. 9 is a block diagram showing a configuration example of the wireless communication quality information processing apparatus 100 according to Embodiment 3 of the present invention. The description overlapping with that in Embodiment 1 is omitted as appropriate.
- the wireless communication quality information processing apparatus 100 includes an information providing unit 140 instead of the communication processing unit 130.
- the information providing unit 140 provides the wireless communication quality information CQ to a user terminal connected to the wireless communication quality information processing apparatus 100. Further, the information providing unit 140 may provide the gateway parameter to the user terminal.
- FIG. 10 schematically shows the operation of the communication system 1 when the gateway station 12 includes the wireless communication quality information processing apparatus 100.
- An engineering terminal 200 is connected to the gateway station 12 including the wireless communication quality information processing apparatus 100.
- the engineering terminal 200 is mainly used for setting the wireless slave station 13 and acquiring the wireless communication quality information CQ.
- the generation of the wireless communication quality information CQ is the same as that in the first embodiment.
- the engineering terminal 200 issues an information request command to the gateway station 12 including the wireless communication quality information processing apparatus 100.
- the information providing unit 140 of the gateway station 12 returns the wireless communication quality information CQ and gateway parameters to the engineering terminal 200.
- the user can acquire the wireless communication quality information CQ and the gateway parameter using the engineering terminal 200. Since the user can grasp the operation state of the wireless network 30 based on the acquired information, maintainability is improved. For example, the user can diagnose each wireless slave station 13, isolate a failure occurrence location, change the design, and the like.
- the function of the wireless communication quality information processing apparatus 100 may be variably settable. For example, it may be possible to specify whether or not to perform the generation process (step S120) of the wireless communication quality information CQ.
- the radio communication quality information processing apparatus 100 holds a function designation parameter that designates whether or not to execute step S120, that is, whether to validate or invalidate the function of the radio communication quality information generation unit 120.
- the function specifying parameter is stored in, for example, the memory unit 150 shown in FIG. If the function designation parameter designates “valid”, the wireless communication quality information generation unit 120 functions and executes step S120.
- the wireless communication quality information processing apparatus 100 holds a function designation parameter that designates whether or not to perform the information provision process, that is, whether to validate or invalidate the function of the information provision unit 140.
- the function designation parameter designates “valid”, the information providing unit 140 functions and performs information provision processing.
- FIG. FIG. 11 shows a case where the wireless communication quality information processing apparatus 100 shown in FIG. 9 is installed in the PLC (master station 10 or local station 11) of the PLC network 20.
- the description which overlaps with previous embodiment is abbreviate
- the engineering terminal 300 is connected to the PLC provided with the wireless communication quality information processing apparatus 100. Generation of the wireless communication quality information CQ is the same as that in the second embodiment.
- the engineering terminal 300 issues an information request command to the PLC.
- the information providing unit 140 of the PLC returns the wireless communication quality information CQ and the gateway parameter to the engineering terminal 300.
- FIG. FIG. 12 is a block diagram showing a configuration example of radio communication quality information processing apparatus 100 according to Embodiment 5 of the present invention.
- Radio communication quality information processing apparatus 100 according to the present embodiment includes both communication processing unit 130 and information providing unit 140. Such a configuration is applicable to all of the above-described embodiments.
- 1 communication system 10 master station (PLC), 11 local station (PLC), 12 gateway station, 12a PLC network communication unit, 12b wireless network communication unit, 13 wireless slave station, 20 PLC network, 30 wireless network, 100 wireless communication Quality information processing device, 110 receiving unit, 120 wireless communication quality information generating unit, 130 communication processing unit, 140 information providing unit, 150 memory unit, 200 engineering terminal, 300 engineering terminal, CQ wireless communication quality information, PFL PLC communication frame, WFL wireless communication frame.
Abstract
Description
図1は、本発明の実施の形態1に係る通信システム1の構成例を概略的に示すブロック図である。通信システム1は、PLCネットワーク20、無線ネットワーク30、及びゲートウェイ局12を備えている。
受信部110は、無線子局13から送信された無線通信フレームWFLを受信する。
無線通信品質情報生成部120は、受信した無線通信フレームWFLに含まれる特性情報を取得する。そして、無線通信品質情報生成部120は、取得した特性情報から無線通信品質情報CQを生成する。図5は、無線通信品質情報CQの一例を示している。
通信処理部130は、ステップS120で生成された無線通信品質情報CQを参照することによって、受信した無線通信フレームWFLに含まれるデータを“新規データ”としてPLCネットワーク20に反映させるか否かを決定する。このとき、通信処理部130は、無線通信品質情報CQで示される無線通信品質が一定の水準を満たしているか否かを判定する。
通信処理部130は、受信した無線通信フレームWFLに応じたPLC通信フレームPFLを、PLCネットワーク20に送信する。
図8は、PLCネットワーク20のPLC(マスタ局10あるいはローカル局11)が無線通信品質情報処理装置100を備える場合の通信システム1の動作を概略的に示している。尚、実施の形態1と重複する説明は、適宜省略される。
図9は、本発明の実施の形態3に係る無線通信品質情報処理装置100の構成例を示すブロック図である。実施の形態1と重複する説明は、適宜省略される。
図11は、図9で示された無線通信品質情報処理装置100がPLCネットワーク20のPLC(マスタ局10あるいはローカル局11)に搭載された場合を示している。尚、既出の実施の形態と重複する説明は、適宜省略される。
図12は、本発明の実施の形態5に係る無線通信品質情報処理装置100の構成例を示すブロック図である。本実施の形態に係る無線通信品質情報処理装置100は、通信処理部130と情報提供部140の両方を備えている。このような構成は、既出の実施の形態のすべてに適用可能である。
Claims (20)
- 通信システムにおける無線通信品質情報処理装置であって、
前記通信システムは、
PLCが接続されたPLCネットワークと、
無線子局が接続された無線ネットワークと、
前記PLCネットワークと前記無線ネットワークとの間を接続するゲートウェイ局と
を備え、
前記PLCネットワークと前記無線ネットワークとは、非同期であり、且つ、前記ゲートウェイ局を介して互いにデータ通信を行い、
前記無線通信品質情報処理装置は、
前記無線子局から送信された無線通信フレームを受信する受信部と、
前記受信した無線通信フレームに含まれる特性情報から、前記無線ネットワークにおける無線通信の品質を示す無線通信品質情報を生成する無線通信品質情報生成部と、
前記無線通信品質情報を参照することにより、前記無線通信フレームに含まれるデータを新規データとして前記PLCネットワークに反映させるか否かを決定する通信処理部と
を備える
無線通信品質情報処理装置。 - 前記無線通信フレームの前記特性情報は、データ作成時刻及び誤り検出符号を含み、
前記無線通信品質情報生成部は、前記データ作成時刻と現在時刻とに基づいて通信遅延の有無を判定し、また、前記誤り検出符号に基づいてデータ誤りの有無を判定し、
前記無線通信品質情報は、前記通信遅延の有無及び前記データ誤りの有無を含む
請求項1に記載の無線通信品質情報処理装置。 - 前記通信処理部は、前記通信遅延と前記データ誤りの少なくとも一方が無い場合に、前記無線通信フレームに含まれる前記データを前記新規データとして前記PLCネットワークに反映させることを決定する
請求項2に記載の無線通信品質情報処理装置。 - 前記無線通信フレームの前記特性情報及び前記無線通信品質情報の各々は、更に、前記無線ネットワークのトポロジ情報、及び前記無線子局における受信電界強度を含む
請求項2又は3に記載の無線通信品質情報処理装置。 - 前記無線通信フレームに含まれる前記データを前記新規データとして前記PLCネットワークに反映させることを決定した場合、前記通信処理部は、前記データと前記無線通信品質情報を含むPLC通信フレームを前記PLCネットワークに送信する
請求項1から4のいずれか一項に記載の無線通信品質情報処理装置。 - 前記無線通信フレームは、前記無線ネットワークにおいてサイクリック通信され、
前記PLC通信フレームは、前記PLCネットワークにおいてサイクリック通信される
請求項5に記載の無線通信品質情報処理装置。 - 更に、前記無線通信品質情報を前記無線通信品質情報処理装置に接続された端末に提供する情報提供部を備える
請求項1から6のいずれか一項に記載の無線通信品質情報処理装置。 - 前記情報提供部は、更にゲートウェイパラメータを前記端末に提供し、
前記ゲートウェイパラメータは、前記ゲートウェイ局に設定されているパラメータであり、前記無線ネットワークの通信周期、及び通信遅延の判断に使用される閾値を含む
請求項7に記載の無線通信品質情報処理装置。 - 前記ゲートウェイ局が、前記無線通信品質情報処理装置を備える
請求項1から8のいずれか一項に記載の無線通信品質情報処理装置。 - 前記PLCが、前記無線通信品質情報処理装置を備え、
前記ゲートウェイ局は、前記無線子局から受け取った前記無線通信フレームを前記PLCに転送する
請求項1から8のいずれか一項に記載の無線通信品質情報処理装置。 - 前記無線通信品質情報処理装置は、前記無線通信品質情報生成部を有効化するか無効化するかを指定する第1機能指定パラメータを保持する
請求項1から10のいずれか一項に記載の無線通信品質情報処理装置。 - 前記無線通信品質情報処理装置は、前記通信処理部を有効化するか無効化するかを指定する第2機能指定パラメータを保持する
請求項1から11のいずれか一項に記載の無線通信品質情報処理装置。 - PLCが接続されたPLCネットワークと、
無線子局が接続された無線ネットワークと、
前記PLCネットワークと前記無線ネットワークとの間を接続するゲートウェイ局と、
無線通信品質情報処理装置と
を備え、
前記PLCネットワークと前記無線ネットワークとは、非同期であり、且つ、前記ゲートウェイ局を介して互いにデータ通信を行い、
前記無線通信品質情報処理装置は、
前記無線子局から送信された無線通信フレームを受信する受信部と、
前記受信した無線通信フレームに含まれる特性情報から、前記無線ネットワークにおける無線通信の品質を示す無線通信品質情報を生成する無線通信品質情報生成部と、
前記無線通信品質情報を参照することにより、前記無線通信フレームに含まれるデータを新規データとして前記PLCネットワークに反映させるか否かを決定する通信処理部と
を備える
通信システム。 - 前記無線通信品質情報処理装置は、前記無線通信品質情報生成部を有効化するか無効化するかを指定する第1機能指定パラメータを保持する
請求項13に記載の通信システム。 - 前記無線通信品質情報処理装置は、前記通信処理部を有効化するか無効化するかを指定する第2機能指定パラメータを保持する
請求項13又は14に記載の通信システム。 - 通信システムにおける無線通信品質情報処理装置であって、
前記通信システムは、
PLCが接続されたPLCネットワークと、
無線子局が接続された無線ネットワークと、
前記PLCネットワークと前記無線ネットワークとの間を接続するゲートウェイ局と
を備え、
前記PLCネットワークと前記無線ネットワークとは、非同期であり、且つ、前記ゲートウェイ局を介して互いにデータ通信を行い、
前記無線通信品質情報処理装置は、
前記無線子局から送信された無線通信フレームを受信する受信部と、
前記受信した無線通信フレームに含まれる特性情報から、前記無線ネットワークにおける無線通信の品質を示す無線通信品質情報を生成する無線通信品質情報生成部と、
前記無線通信品質情報を前記無線通信品質情報処理装置に接続された端末に提供する情報提供部と
を備える
無線通信品質情報処理装置。 - 前記無線通信フレームの前記特性情報は、データ作成時刻及び誤り検出符号を含み、
前記無線通信品質情報生成部は、前記データ作成時刻と現在時刻とに基づいて通信遅延の有無を判定し、また、前記誤り検出符号に基づいてデータ誤りの有無を判定し、
前記無線通信品質情報は、前記通信遅延の有無及び前記データ誤りの有無を含む
請求項16に記載の無線通信品質情報処理装置。 - 前記情報提供部は、更にゲートウェイパラメータを前記端末に提供し、
前記ゲートウェイパラメータは、前記ゲートウェイ局に設定されているパラメータであり、前記無線ネットワークの通信周期、及び通信遅延の判断に使用される閾値を含む
請求項17に記載の無線通信品質情報処理装置。 - 前記無線通信品質情報処理装置は、前記無線通信品質情報生成部を有効化するか無効化するかを指定する第1機能指定パラメータを保持する
請求項16から18のいずれか一項に記載の無線通信品質情報処理装置。 - 前記無線通信品質情報処理装置は、前記情報提供部を有効化するか無効化するかを指定する第3機能指定パラメータを保持する
請求項16から19のいずれか一項に記載の無線通信品質情報処理装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020157032172A KR101589890B1 (ko) | 2014-03-27 | 2014-03-27 | 무선 통신 품질 정보 처리 장치 및 통신 시스템 |
CN201480027169.4A CN105210349B (zh) | 2014-03-27 | 2014-03-27 | 无线通信品质信息处理装置及通信系统 |
PCT/JP2014/058901 WO2015145673A1 (ja) | 2014-03-27 | 2014-03-27 | 無線通信品質情報処理装置及び通信システム |
DE112014002049.4T DE112014002049B4 (de) | 2014-03-27 | 2014-03-27 | Qualitätsdaten-Verarbeitungsgerät für drahtlose Kommunikation und Kommunikationssystem |
US14/888,719 US20160087814A1 (en) | 2014-03-27 | 2014-03-27 | Wireless-communication quality-information processing device and communication system |
JP2014529742A JP5721912B1 (ja) | 2014-03-27 | 2014-03-27 | 無線通信品質情報処理装置及び通信システム |
TW104110227A TWI599206B (zh) | 2014-03-27 | 2015-03-27 | 無線通信品質資訊處理裝置及通信系統 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2014/058901 WO2015145673A1 (ja) | 2014-03-27 | 2014-03-27 | 無線通信品質情報処理装置及び通信システム |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015145673A1 true WO2015145673A1 (ja) | 2015-10-01 |
Family
ID=53277905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/058901 WO2015145673A1 (ja) | 2014-03-27 | 2014-03-27 | 無線通信品質情報処理装置及び通信システム |
Country Status (7)
Country | Link |
---|---|
US (1) | US20160087814A1 (ja) |
JP (1) | JP5721912B1 (ja) |
KR (1) | KR101589890B1 (ja) |
CN (1) | CN105210349B (ja) |
DE (1) | DE112014002049B4 (ja) |
TW (1) | TWI599206B (ja) |
WO (1) | WO2015145673A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6508538B2 (ja) * | 2016-04-04 | 2019-05-08 | Smc株式会社 | 産業用無線通信システム |
US10009874B2 (en) * | 2016-04-04 | 2018-06-26 | Smc Corporation | Industrial wireless communications system |
CN107634914B (zh) * | 2016-07-18 | 2021-01-22 | 深圳市中兴微电子技术有限公司 | 一种帧流控制方法和装置 |
JP6498375B1 (ja) * | 2018-10-05 | 2019-04-10 | 三菱電機株式会社 | 中央処理装置、データ収集システムおよびデータ収集方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006006230A1 (ja) * | 2004-07-12 | 2006-01-19 | Mitsubishi Denki Kabushiki Kaisha | パケット転送方法、無線アクセス局、基地局制御装置、および無線基地局 |
JP2013172228A (ja) * | 2012-02-20 | 2013-09-02 | Hitachi Ltd | 信号伝送装置及び方法並びに変電所監視制御システム |
JP2013222403A (ja) * | 2012-04-18 | 2013-10-28 | Yokogawa Electric Corp | 制御装置及び制御システム |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999048245A2 (en) * | 1998-03-16 | 1999-09-23 | Schneider Automation, Inc. | Communication system for a control system over ethernet and ip networks |
US6816464B1 (en) * | 2000-09-13 | 2004-11-09 | Array Telecom Corporation | Method, system, and computer program product for route quality checking and management |
JP2004179909A (ja) | 2002-11-26 | 2004-06-24 | Matsushita Electric Ind Co Ltd | 無線lanシステム、無線端末及びアクセスポイント |
US7492770B2 (en) * | 2005-08-31 | 2009-02-17 | Starent Networks, Corp. | Synchronizing data transmission over wireless networks |
US8798084B2 (en) * | 2007-04-13 | 2014-08-05 | Hart Communication Foundation | Increasing reliability and reducing latency in a wireless network |
DE102009054527A1 (de) * | 2009-12-10 | 2011-06-16 | Endress + Hauser Process Solutions Ag | Verfahren zum Betreiben eines Funknetzwerks in einer industriellen Prozessumgebung |
US20110202685A1 (en) * | 2010-02-16 | 2011-08-18 | Narayanan Subramaniam | System and Method for Communication Between an Information Handling System and Management Controller Through a Shared LOM |
US8976680B2 (en) * | 2010-03-15 | 2015-03-10 | Juniper Networks, Inc. | Operations, administration, and management fields for packet transport |
CN102375437A (zh) * | 2010-08-06 | 2012-03-14 | 欧阳光明 | 基于ieee802.15.4协议和plc的无线生产过程数据采集和传输的装置和方法 |
US9154392B2 (en) * | 2011-03-02 | 2015-10-06 | Blackbird Technology Holdings, Inc. | Method and apparatus for power autoscaling in a resource-constrained network |
US8914794B2 (en) * | 2011-06-30 | 2014-12-16 | Rockwell Automation Technologies, Inc. | Multiple deployment of applications with multiple configurations in an industrial automation environment |
US8706104B1 (en) * | 2011-07-27 | 2014-04-22 | Feeney Wireless, LLC | Intelligent cellular communications gateway device, system, and method |
US9002973B2 (en) * | 2011-10-21 | 2015-04-07 | Fisher Controls International Llc | Delayed publishing in process control systems |
CN102591284B (zh) * | 2012-02-20 | 2013-12-04 | 哈尔滨工业大学 | 基于无线传感网络的污水处理工程监控系统 |
US9285803B2 (en) * | 2012-02-29 | 2016-03-15 | Fisher Controls International Llc | Scheduling function in a wireless control device |
US9078130B2 (en) * | 2012-04-10 | 2015-07-07 | Qualcomm Incorporated | Secure reception reporting |
CN102654766A (zh) * | 2012-04-18 | 2012-09-05 | 华中科技大学 | 一种plc无线远程监控系统及其应用 |
CN103517249B (zh) * | 2012-06-29 | 2018-11-16 | 中兴通讯股份有限公司 | 一种策略控制的方法、装置和系统 |
JP2014072632A (ja) * | 2012-09-28 | 2014-04-21 | Brother Ind Ltd | 通信端末、遠隔会議システム、通信端末の制御プログラム |
CN104937855B (zh) * | 2013-01-25 | 2018-09-11 | Abb研究有限公司 | 用于提供无线传感器网络中的可靠无线通信的方法 |
US8619579B1 (en) * | 2013-03-15 | 2013-12-31 | Extrahop Networks, Inc. | De-duplicating of packets in flows at layer 3 |
JP6463898B2 (ja) * | 2014-03-13 | 2019-02-06 | 株式会社東芝 | 通信装置、情報処理装置、通信方法及び通信プログラム |
-
2014
- 2014-03-27 KR KR1020157032172A patent/KR101589890B1/ko not_active IP Right Cessation
- 2014-03-27 US US14/888,719 patent/US20160087814A1/en not_active Abandoned
- 2014-03-27 DE DE112014002049.4T patent/DE112014002049B4/de not_active Expired - Fee Related
- 2014-03-27 CN CN201480027169.4A patent/CN105210349B/zh not_active Expired - Fee Related
- 2014-03-27 JP JP2014529742A patent/JP5721912B1/ja active Active
- 2014-03-27 WO PCT/JP2014/058901 patent/WO2015145673A1/ja active Application Filing
-
2015
- 2015-03-27 TW TW104110227A patent/TWI599206B/zh not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006006230A1 (ja) * | 2004-07-12 | 2006-01-19 | Mitsubishi Denki Kabushiki Kaisha | パケット転送方法、無線アクセス局、基地局制御装置、および無線基地局 |
JP2013172228A (ja) * | 2012-02-20 | 2013-09-02 | Hitachi Ltd | 信号伝送装置及び方法並びに変電所監視制御システム |
JP2013222403A (ja) * | 2012-04-18 | 2013-10-28 | Yokogawa Electric Corp | 制御装置及び制御システム |
Also Published As
Publication number | Publication date |
---|---|
KR20150138863A (ko) | 2015-12-10 |
TWI599206B (zh) | 2017-09-11 |
KR101589890B1 (ko) | 2016-01-28 |
TW201537929A (zh) | 2015-10-01 |
DE112014002049T5 (de) | 2016-02-25 |
CN105210349B (zh) | 2017-03-29 |
JP5721912B1 (ja) | 2015-05-20 |
DE112014002049B4 (de) | 2017-04-13 |
CN105210349A (zh) | 2015-12-30 |
US20160087814A1 (en) | 2016-03-24 |
JPWO2015145673A1 (ja) | 2017-04-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5721912B1 (ja) | 無線通信品質情報処理装置及び通信システム | |
JP6355863B1 (ja) | ネットワークシステムおよび通信方法 | |
CN105451165B (zh) | 一种基于多协议的近距离通信方法及装置 | |
US10466670B2 (en) | Field bus module, machine controller, and method for parameterizing a field bus module, in particular a safety-oriented field bus module | |
CN108369403A (zh) | 现场总线耦合器、系统和用于配置故障保险模块的方法 | |
JP6606293B2 (ja) | 安全システムの安全チェーン内でデータ処理およびデータ送信を監視するための方法およびデバイス | |
US10524219B2 (en) | Communication apparatus, communication system and communication method | |
JP2021048623A (ja) | 少なくとも1つの安全なプロデューサーと少なくとも1つの安全なコンシューマーとの間のデータ伝送 | |
JP5578366B2 (ja) | 通信システム | |
JP5409536B2 (ja) | ゲートウェイ装置 | |
US11258637B2 (en) | Method for operating TSN-enabled network coupling elements | |
KR20180057503A (ko) | 차량 네트워크에서 시간 동기화를 위한 통신 노드의 동작 방법 | |
CN114205174A (zh) | 基于网络化实现多感知数据交汇传输的传感器 | |
JP2015056766A (ja) | クラウド制御システム、及びその制御プログラムの実行方法 | |
EP2809048B1 (en) | Transmission method, transmission device, transmission program, and transmission system | |
JP6350602B2 (ja) | 通信ネットワーク判定装置、通信ネットワーク判定方法、及び、通信ネットワーク判定プログラム | |
CN114375586A (zh) | 经由两个或多个网络传输数据报的方法和网关设备 | |
TWI597959B (zh) | Embedded device, communication method and communication program product | |
CN103414637A (zh) | 一种流量转发的方法及相关装置 | |
JP7453061B2 (ja) | 通信制御システム及び通信制御方法 | |
JP7390879B2 (ja) | 通信処理装置、通信処理方法およびプログラム、並びにネットワーク層のヘッダ部のデータ構造 | |
JP2019022106A (ja) | 通信システム | |
JP2015103926A (ja) | 通信装置、通信方法およびプログラム | |
JP6354535B2 (ja) | 冗長化制御システムおよびその制御装置 | |
KR101596247B1 (ko) | 읽기 및 쓰기 주기를 구분한 데이터 전송 방법 및 시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2014529742 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14888719 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 20157032172 Country of ref document: KR Kind code of ref document: A |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14886729 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 112014002049 Country of ref document: DE Ref document number: 1120140020494 Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 14886729 Country of ref document: EP Kind code of ref document: A1 |