WO2014126195A1 - 通信システム、制御装置、アプリケーションサーバ及びデバイス - Google Patents
通信システム、制御装置、アプリケーションサーバ及びデバイス Download PDFInfo
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- WO2014126195A1 WO2014126195A1 PCT/JP2014/053457 JP2014053457W WO2014126195A1 WO 2014126195 A1 WO2014126195 A1 WO 2014126195A1 JP 2014053457 W JP2014053457 W JP 2014053457W WO 2014126195 A1 WO2014126195 A1 WO 2014126195A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
- H04L67/61—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources taking into account QoS or priority requirements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
Definitions
- the present invention relates to a communication system, a control device, an application server, and a device.
- M2M Machine-to-Machine
- M2M communication is performed by the M2M application and the M2M application server in the M2M device.
- the M2M application and the M2M application server in the M2M device do not have a means for exchanging the state of the access network. Even in a state in which transmission / reception processing cannot be performed correctly, the M2M application and the M2M application server in the M2M device start such M2M communication and increase the load on the access network.
- the access network has means for suppressing M2M communication due to access restriction, such access restriction can be activated only after the access network is congested.
- the M2M in the M2M device can be effectively used in a congestion state of the access network. There was a problem that application communication could not be suppressed.
- the data transmission frequency, the data amount, etc. cannot be increased according to the communication state such as the access network availability.
- An object of the present invention is to provide a control device, an application server, and a device.
- the present invention provides a communication system, a control device, an application server, and an application server capable of increasing the data transmission frequency, data amount, and the like by an M2M application according to a communication state such as an access network availability state in a normal communication state
- a communication state such as an access network availability state in a normal communication state
- the purpose is to provide a device.
- a first aspect of the present invention includes an access network, a machine-to-machine communication platform, a machine-to-machine communication application server connected to the machine-to-machine communication platform, and a device including a machine-to-machine communication application.
- a communication system wherein the access network communicates with at least one of the access network, the inter-machine communication platform, and the inter-machine communication application server according to a communication state by an inter-machine communication application.
- a second aspect of the present invention includes an access network, an inter-machine communication platform, an inter-machine communication application server connected to the inter-machine communication platform, and a device including the inter-machine communication application.
- a control device configured to be used in a communication system and configured to control the access network, the detection unit configured to detect a communication state in the access network; and Instruction information for instructing at least one of the access network, the inter-machine communication platform, and the inter-machine communication application server in accordance with a communication state in the access network, a communication method by the inter-machine communication application.
- the third aspect of the present invention includes an access network, a machine-to-machine communication platform, a machine-to-machine communication application server connected to the machine-to-machine communication platform, and a device including the machine-to-machine communication application.
- An application server that operates as the application server for machine-to-machine communication in a communication system; and a receiving unit configured to receive instruction information for instructing a communication method by the application for machine-to-machine communication from the access network; And a control unit configured to control a communication method by the application for machine-to-machine communication based on the instruction information.
- a fourth feature of the present invention is configured to be used in a communication system including an access network, a machine-to-machine communication platform, and a machine-to-machine communication application server connected to the machine-to-machine communication platform.
- a device including an application for machine-to-machine communication, wherein the application for machine-to-machine communication is transmitted from the access network, the machine-to-machine communication platform, or the application server for machine-to-machine communication.
- a receiving unit configured to receive instruction information for instructing a communication method by a communication application, and a control unit configured to control a communication method by an application for machine-to-machine communication based on the instruction information It is a summary to comprise.
- FIG. 1 is an overall configuration diagram of a communication system according to the first embodiment of the present invention.
- FIG. 2 is a functional block diagram of the control device 2A according to the first embodiment of the present invention.
- FIG. 3 is a functional block diagram of the M2M application servers # 1 to #N according to the first embodiment of the present invention.
- FIG. 4 is a functional block diagram of the M2M devices # 1 / # 11 / # 12 according to the first embodiment of the present invention.
- Communication system (Communication system according to the first embodiment of the present invention) A communication system according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 4. Note that the communication system according to the present embodiment includes at least one of a wired communication network and a wireless communication network.
- a communication system will be described with reference to FIG.
- a W-CDMA system or LTE (Long Term Evolution) access network will be described as an example of an access network according to this embodiment.
- LTE Long Term Evolution
- the present invention is not limited to the W-CDMA system or LTE system. It can also be applied to access networks.
- the communication system includes an M2M platform (M2M service layer) 1, an access network 2, M2M application servers # 1 to #N connected to the M2M platform 1, and M2M. And an M2M device # 1 / # 11 / # 12 including an application 30 (for example, a meter reading data transmission application of a smart meter or an inventory management data transmission application of a vending machine).
- M2M platform M2M service layer
- access network M2M application servers # 1 to #N connected to the M2M platform 1
- M2M M2M device # 1 / # 11 / # 12
- an application 30 for example, a meter reading data transmission application of a smart meter or an inventory management data transmission application of a vending machine.
- the M2M device # 1 is configured to be directly connected to the access network 2
- the M2M device # 11 / # 12 is configured to be connected to the access network 2 via the gateway 10. Yes.
- the access network 2 includes a core network (CN: Core Network) 3 and a radio access network (RAN: Radio Access Network) 4.
- CN Core Network
- RAN Radio Access Network
- the access network 2 is provided with a control device 2A that controls the access network 2.
- the control device 2A for controlling the core network 3 and the control device 2A for controlling the radio access network 4 may be provided separately.
- the control device 2 ⁇ / b> A includes a detection unit 11 and a transmission unit 12.
- the detection unit 11 is configured to detect a communication state in the access network 2.
- the detection unit 11 is configured to detect communication quality information such as a load and a communication success rate in the core network or the radio access network as the communication state.
- the transmission unit 12 uses the M2M application 30 for at least one of the M2M platform 1, the M2M application servers # 1 to #N, and the M2M devices # 1 / # 11 / # 12 according to the communication state in the access network 2.
- Instruction information indicating the communication method (data transmission frequency, transmission amount, retransmission timing, and contents to be transmitted) is transmitted.
- the instruction information may be configured so that a specific service class or a specific application can be specified.
- the transmission unit 12 determines whether to control the communication method by the M2M application 30 based on the communication state detected by the detection unit 11, or determines the communication method by the M2M application 30. It may be configured.
- the transmission unit 12 may be configured not to transmit the above-described instruction information when it is determined that the control of the communication method by the M2M application 30 is unnecessary.
- the transmission unit 12 performs a communication method using a specific M2M application 30 or all of the M2M applications 30.
- the above-described instruction information is transmitted to at least one of the M2M platform 1, the M2M application servers # 1 to #N, and the M2M devices # 1 / # 11 / # 12.
- the above-described transmission frequency includes information for turning off the M2M communication or interrupting the M2M communication for a predetermined time.
- the transmission unit 12 can transmit instruction information for limiting the size and speed of data that can be transmitted, such as 1 Mbps or less or 1 Mbyte or less.
- the detection unit 11 and the transmission unit 12 may be provided in both the control device 2A that controls the core network 3 and the control device 2A that controls the radio access network 4.
- the transmission unit 12 may be configured to predict and transmit the instruction information described above by predicting a past communication state or a future communication state in the access network.
- the M2M application servers # 1 to #N include a receiving unit 21 and a control unit 22.
- the receiving unit 21 is configured to receive the above instruction information from the access network 2.
- the control unit 22 is configured to control a communication method (data transmission frequency, transmission amount, retransmission timing, and contents to be transmitted) by the M2M application 30 based on the instruction information received by the reception unit 21. .
- the control unit 22 receives instruction information for instructing to control M2M communication by a specific M2M application 30 from the access network 2, the M2M application servers # 1 to #N or the M2M platform 1 includes the instruction information. Based on this, the transmission of data for M2M communication by the specific M2M application 30 is stopped, the data for M2M communication by the specific M2M application 30 is transmitted after being held for a certain period, or the M2M communication by the specific M2M application 30 It may be configured to change the data amount or speed of the data for use.
- control unit 22 may change the retransmission timing when transmission of data for M2M communication fails.
- the instruction information includes information for starting transmission of data for M2M communication by a specific M2M application 30 and information for increasing the data amount and speed of data for M2M communication by a specific M2M application 30. May be included.
- the control unit 22 may be configured to make an inquiry to the access network 2 about instruction information and a communication state in the access network 2.
- the M2M device # 1 / # 11 / # 12 includes an M2M application 30, an access network communication unit 31, and an M2M service layer control unit 32.
- the access network communication unit 31 is configured to receive the above-described instruction information from any one of the access network 2, the M2M platform 1, and the M2M application servers # 1 to #N.
- the M2M service layer control unit 32 controls the communication method (data transmission frequency, transmission amount, retransmission timing, and contents to be transmitted) by the M2M application 30 based on the instruction information received by the access network communication unit 31. Is configured to do.
- the access network communication unit 31 is configured to inquire about any of the instruction information and the communication state in the access network 2 to any of the access network 2, the M2M platform 1, and the M2M application servers # 1 to #N. Also good.
- the control device 2A instructs the service class and application to at least one of the M2M application servers # 1 to #N, the M2M platform 1, and the M2M devices # 1 / # 11 / # 12.
- the communication method by the M2M application 30 corresponding to the service class and application may be controlled by transmitting, that is, it may be configured to instruct suppression or relaxation of communication by the M2M application 30.
- Such instruction information may be transmitted from the control device 2A (access network 2) to at least one of the M2M devices # 1 / # 11 / # 12, the M2M platform 1, and the M2M application servers # 1 to #N. .
- the M2M device # 1 / # 11 / # 12 has a service class designated by the instruction information.
- the communication by the corresponding M2M application 30 is suppressed or alleviated.
- such suppression or mitigation may be performed by applying a logic according to a preset setting, or may be performed according to information notified by such instruction information.
- the instruction information is transmitted in a large amount of data for M2M communication that is refrained from being transmitted due to concern about the load on the access network 2 in a normal communication state (for example, M2M).
- the contents of the data to be transmitted may be instructed so as to be executed for the application 30 and OS update information.
- Such pre-setting may be performed by any one or more of a device management signal from the access network 2, a predetermined signal from the M2M platform 1, and a predetermined signal from the M2M application servers # 1 to #N.
- the M2M platform 1 When the M2M platform 1 receives instruction information for designating a specific service class from a plurality of M2M application servers # 1 to #N, the M2M platform # 1 / # collects the instruction information for designating the same service class. You may transmit with respect to 11 / # 12.
- control device 2A (access network 2) may be configured to transmit instruction information uniformly without setting the service class described above.
- the M2M device # 1 / # 11 / # 12 is instructed by the M2M platform 1 or the M2M application servers # 1 to #N.
- the communication method by the specific M2M application 30 may be controlled according to the logic that has been set.
- the M2M platform 1 may control the communication method by the specific M2M application 30 according to the logic instructed by the M2M application servers # 1 to #N. Then, the instruction information may be transmitted to the M2M device # 1 / # 11 / # 12 to control the communication method by the M2M application 30 in the M2M device # 1 / # 11 / # 12.
- the M2M application servers # 1 to #N may control the communication method by the specific M2M application 30, or the instruction information May be transmitted to the M2M device # 1 / # 11 / # 12 to control the communication method by the M2M application 30 in the M2M device # 1 / # 11 / # 12.
- control of the communication method by the M2M application 30 in the M2M device # 1 / # 11 / # 12 may be performed by the M2M service layer control unit 32 positioned above the access network communication unit 31 that controls the communication module. Good.
- the M2M service layer control unit 32 may receive the above-described instruction information from at least one of the communication module, the M2M platform 1, and the M2M application servers # 1 to #N.
- the M2M service layer control unit 32 applies to a communication application connected within the M2M device # 1 / # 11 / # 12 or outside the M2M device # 1 / # 11 / # 12. Instruction information may be transmitted.
- the M2M application 30 controls the communication method according to the received instruction information, for example, changes in data transmission frequency, transmission amount, retransmission timing, contents to be transmitted, and the like.
- Control of the communication method in the M2M device # 1 / # 11 / # 12 may be determined by the M2M device # 1 / # 11 / # 12 autonomously. In such a case, this determination may be performed by the M2M service layer control unit 32.
- the communication carrier cannot control the operations of the M2M application 30 and the M2M application servers # 1 to #N.
- the communication system according to the present embodiment can solve this problem.
- the communication system according to the present embodiment can solve such problems.
- the access network 2 responds to a specific service class by notifying instruction information instructing a communication method of M2M communication according to the communication state of the access network 2.
- the M2M application 30 or a specific M2M application 30 can control a communication method, and the M2M platform 1 and the M2M application servers # 1 to #N implement the M2M device # 1 / # 11 / # 12. Due to the instruction information for changing the communication method, the load on the access network can be reduced.
- the first feature of the present embodiment is that the access network 2, the M2M platform (platform for machine-to-machine communication) 1, and the M2M application server (application server for machine-to-machine communication) # 1- # connected to the M2M platform 1 N and an M2M device # 1 / # 11 / # 12 including an M2M application (application for machine-to-machine communication) 30.
- the access network 2 is connected to the M2M platform 1 and M2M according to the communication state.
- the M2M platform 1 is configured to transmit instruction information for instructing a communication method using the M2M application to at least one of the application servers # 1 to #N and the M2M devices # 1 / # 11 / # 12. , Based on such instruction information
- the gist is that the communication method by the M2M application 30 is controlled.
- the instruction information described above is configured so that a service class or an application can be specified, and the M2M devices # 1 / # 11 / # 12 are specified by the instruction information. It may be configured to control a communication method by the M2M application 30 corresponding to the service class or application that has been made.
- the M2M platform 1 can set whether or not the instruction information described above can be received with respect to the M2M device # 1 / # 11 / # 12. It may be configured.
- the M2M platform 1 is configured to be able to set the operation when the above instruction information is received for the M2M device # 1 / # 11 / # 12. May be.
- control of the communication method described above may be control of data transmission frequency, transmission amount, retransmission timing, and contents to be transmitted by the M2M application 30.
- the second feature of the present embodiment is that the access network 2, the M2M platform 1, the M2M application servers # 1 to #N connected to the M2M platform 1, and the M2M device # 1 / # 11 including the M2M application 30 Is a control device 2A configured to control the access network 2 and configured to detect a communication state in the access network 2.
- M2M application to at least one of M2M platform 1, M2M application servers # 1 to #N, and M2M devices # 1 / # 11 / # 12 according to the communication state in detection unit 11 and access network 2 Instruct the communication method by 30
- the gist of the present invention is to include a transmission unit 12 configured to transmit instruction information.
- the third feature of the present embodiment is that an access network 2, an M2M platform 1, M2M application servers # 1 to #N connected to the M2M platform 1, and an M2M device # 1 / # 11 including an M2M application 30 / # 12 is an application server that operates as M2M application servers # 1 to #N and is configured to receive instruction information for instructing a communication method using the M2M application from the access network 2. And a control unit 22 configured to control a communication method by the M2M application 30 based on the instruction information.
- control unit 22 may be configured to inquire the access network 2 about the instruction information.
- the fourth feature of the present embodiment is configured to be used in a communication system including an access network 2, an M2M platform 1, and M2M application servers # 1 to #N connected to the M2M platform 1.
- the M2M application 30 communicates with the M2M application from any of the access network 2, the M2M platform 1, and the M2M application servers # 1 to #N.
- An application communication unit (reception unit) 31 configured to receive instruction information indicating a method
- an M2M service layer configured to control a communication method by an M2M application based on the instruction information
- a control unit (control unit) 32 comprising a control unit (control unit) 32.
- the application communication unit 31 is configured to make an inquiry about the above instruction information to any of the access network 2, the M2M platform 1, and the M2M application servers # 1 to #N. May be.
- M2M devices # 1 / # 11 / # 12 may be implemented by hardware or by software modules executed by the processor. It may be carried out by a combination of both.
- the software modules include RAM (Random Access Memory), flash memory, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electronically Erasable and Programmable, Removable ROM, Hard Disk, and Removable ROM).
- RAM Random Access Memory
- flash memory ROM (Read Only Memory)
- EPROM Erasable Programmable ROM
- EEPROM Electrically Erasable and Programmable, Removable ROM, Hard Disk, and Removable ROM.
- it may be provided in a storage medium of an arbitrary format such as a CD-ROM.
- the storage medium is connected to the processor so that the processor can read and write information from and to the storage medium. Further, such a storage medium may be integrated in the processor. Such a storage medium and processor may be provided in the ASIC. Such an ASIC may be provided in the M2M devices # 1 / # 11 / # 12, the control device 2A, and the M2M application servers # 1 to #N. The storage medium and the processor may be provided as discrete components in the M2M device # 1 / # 11 / # 12, the control device 2A, and the M2M application servers # 1 to #N.
- a communication system a control device, and an application server that can increase the transmission efficiency of data for M2M communication by controlling M2M communication according to the communication state of the access network.
- a device can be provided.
- a communication system in a normal communication state, a communication system, a control device, and an application that can increase the data transmission frequency, data amount, etc. by the M2M application according to the communication state such as the availability of the access network Servers and devices can be provided.
- M2M platform (M2M service layer) 2 ... access network 2A ... control device 3 ... core network 4 ... wireless access network 10 ... gateway 11 ... detection unit 12 ... transmission unit 21 ... reception unit 22 ... control unit 30 ... M2M application 31 ... application communication unit 32 ... M2M service layer Control unit
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Abstract
Description
図1乃至図4を参照して、本発明の第1の実施形態に係る通信システムについて説明する。なお、本実施形態に係る通信システムは、有線通信ネットワーク及び無線通信ネットワークの少なくとも一方を具備している。
2…アクセスネットワーク
2A…制御装置
3…コアネットワーク
4…無線アクセスネットワーク
10…ゲートウェイ
11…検出部
12…送信部
21…受信部
22…制御部
30…M2Mアプリケーション
31…アプリケーション通信部
32…M2Mサービスレイヤ制御部
Claims (10)
- アクセスネットワークと、機械間通信用プラットフォームと、該機械間通信用プラットフォームに接続されている機械間通信用アプリケーションサーバと、機械間通信用アプリケーションを含むデバイスとを含む通信システムであって、
前記アクセスネットワークは、通信状態に応じて、前記機械間通信用プラットフォーム、前記機械間通信用アプリケーションサーバ及び前記デバイスの少なくとも1つに対して、前記機械間通信用アプリケーションによる通信方法を指示する指示情報を送信するように構成されており、
前記デバイスは、前記指示情報に基づいて、前記機械間通信用アプリケーションによる通信方法を制御するように構成されていることを特徴とする通信システム。 - 前記指示情報は、サービスクラス或いはアプリケーションを指定することができるように構成されており、
前記デバイスは、前記指示情報によって指定された前記サービスクラス或いは前記アプリケーションに対応する前記機械間通信用アプリケーションによる通信方法を制御するように構成されていることを特徴とする請求項1に記載の通信システム。 - 前記機械間通信用プラットフォームは、前記デバイスに対して、前記指示情報を受信することができるか否かについて設定することができるように構成されていることを特徴とする請求項1又は2に記載の通信システム。
- 前記機械間通信用プラットフォームは、前記デバイスに対して、前記指示情報を受信した際の動作について設定することができるように構成されていることを特徴とする請求項1乃至3のいずれか一項に記載の通信システム。
- 前記通信方法の制御は、前記機械間通信用アプリケーションによるデータの送信頻度や送信量や再送タイミングや送信すべき内容の制御であることを特徴とする請求項1乃至4のいずれか一項に記載の通信システム。
- アクセスネットワークと、機械間通信用プラットフォームと、該機械間通信用プラットフォームに接続されている機械間通信用アプリケーションサーバと、機械間通信用アプリケーションを含むデバイスとを含む通信システムにおいて用いられるように構成されており、該アクセスネットワークを制御するように構成されている制御装置であって、
前記アクセスネットワークにおける通信状態を検出するように構成されている検出部と、
前記アクセスネットワークにおける通信状態に応じて、前記機械間通信用プラットフォーム、前記機械間通信用アプリケーションサーバ及び前記デバイスの少なくとも1つに対して、前記機械間通信用アプリケーションによる通信方法を指示する指示情報を送信するように構成されている送信部とを具備することを特徴とする制御装置。 - アクセスネットワークと、機械間通信用プラットフォームと、該機械間通信用プラットフォームに接続されている機械間通信用アプリケーションサーバと、機械間通信用アプリケーションを含むデバイスとを含む通信システムにおいて該機械間通信用アプリケーションサーバとして動作するアプリケーションサーバであって、
前記アクセスネットワークから、前記機械間通信用アプリケーションによる通信方法を指示する指示情報を受信するように構成されている受信部と、
前記指示情報に基づいて、前記機械間通信用アプリケーションによる通信方法を制御するように構成されている制御部とを具備することを特徴とするアプリケーションサーバ。 - 前記制御部は、前記アクセスネットワークに対して前記指示情報を問い合わせるように構成されていることを特徴とする請求項7に記載のアプリケーションサーバ。
- アクセスネットワークと、機械間通信用プラットフォームと、該機械間通信用プラットフォームに接続されている機械間通信用アプリケーションサーバとを含む通信システムにおいて用いられるように構成されており、機械間通信用アプリケーションを含むデバイスであって、
前記機械間通信用アプリケーションは、
前記アクセスネットワーク、前記機械間通信用プラットフォーム及び前記機械間通信用アプリケーションサーバのいずれかから、前記機械間通信用アプリケーションによる通信方法を指示する指示情報を受信するように構成されている受信部と、
前記指示情報に基づいて、前記機械間通信用アプリケーションによる通信方法を制御するように構成されている制御部とを具備することを特徴とするデバイス。 - 前記制御部は、前記アクセスネットワーク、前記機械間通信用プラットフォーム及び前記機械間通信用アプリケーションサーバのいずれに対して前記指示情報を問い合わせるように構成されていることを特徴とする請求項9に記載のデバイス。
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US14/768,087 US20150381763A1 (en) | 2013-02-15 | 2014-02-14 | Communication system, control apparatus, application server, and device |
KR1020157023007A KR101704626B1 (ko) | 2013-02-15 | 2014-02-14 | 통신 시스템, 제어 장치, 애플리케이션 서버 및 디바이스 |
EP14751397.2A EP2958398A4 (en) | 2013-02-15 | 2014-02-14 | COMMUNICATION SYSTEM, CONTROL DEVICE, APPLICATION SERVER AND DEVICE |
CN201480009112.1A CN104995990A (zh) | 2013-02-15 | 2014-02-14 | 通信系统、控制装置、应用服务器以及装置 |
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CN108886531A (zh) * | 2015-03-02 | 2018-11-23 | 康维达无线有限责任公司 | 使用服务层能力进行网络和应用管理 |
CN111885197A (zh) * | 2020-07-31 | 2020-11-03 | 平安国际融资租赁有限公司 | 基于物联网的数据传输方法、装置、云平台和计算机设备 |
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US20150381763A1 (en) | 2015-12-31 |
KR20150110748A (ko) | 2015-10-02 |
EP2958398A4 (en) | 2016-11-09 |
CN104995990A (zh) | 2015-10-21 |
KR101704626B1 (ko) | 2017-02-08 |
JP5818830B2 (ja) | 2015-11-18 |
EP2958398A1 (en) | 2015-12-23 |
JP2014158190A (ja) | 2014-08-28 |
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