WO2019015145A1 - 一种基于nb-iot的无线设备群组接入方法及终端 - Google Patents

一种基于nb-iot的无线设备群组接入方法及终端 Download PDF

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WO2019015145A1
WO2019015145A1 PCT/CN2017/106366 CN2017106366W WO2019015145A1 WO 2019015145 A1 WO2019015145 A1 WO 2019015145A1 CN 2017106366 W CN2017106366 W CN 2017106366W WO 2019015145 A1 WO2019015145 A1 WO 2019015145A1
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Prior art keywords
iot
external device
access
iot network
network
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PCT/CN2017/106366
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English (en)
French (fr)
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王戈壮
岳宗鹤
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西安中兴新软件有限责任公司
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Priority to EP17917920.5A priority Critical patent/EP3657738B1/en
Priority to US16/632,845 priority patent/US10999093B2/en
Publication of WO2019015145A1 publication Critical patent/WO2019015145A1/zh

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    • 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]
    • H04L12/2803—Home automation networks
    • 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]
    • H04L12/2803—Home automation networks
    • H04L12/283—Processing of data at an internetworking point of a home automation network
    • H04L12/2836—Protocol conversion between an external network and a home network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/185—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with management of multicast group membership
    • 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
    • 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
    • H04L67/14—Session management
    • H04L67/141—Setup of application sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/08—User group management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/16—Arrangements for providing special services to substations
    • H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
    • H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
    • 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]
    • H04L12/2803—Home automation networks
    • H04L2012/284—Home automation networks characterised by the type of medium used
    • H04L2012/2841—Wireless
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

Definitions

  • This document relates to, but is not limited to, smart home technology, and in particular to a NB-IOT-based wireless device group access method and terminal.
  • the smart home system consists of sensors, servers, and private clouds.
  • the sensors and servers communicate mainly through Zigbee, WIFI, Bluetooth, and other short-range communication methods.
  • the server synchronizes the sensor and the server information to the private cloud, and the user downloads the corresponding APP management software, and completes the query and setting operation of the smart home device through the cloud service after the registration is completed.
  • This document provides a NB-IOT-based device group access method and terminal.
  • a device group access method for a cellular-based narrowband Internet of Things NB-IOT comprising:
  • the NB-IOT-based device group access terminal establishes a connection with an external device requesting to join the NB-IOT network;
  • the NB-IOT-based device group access terminal When the NB-IOT-based device group access terminal receives the command sent by the NB-IOT network to the external device, the command is translated into a communication command protocol supported by the external device, and is delivered to the corresponding external device; When the NB-IOT-based device group access terminal receives the information uploaded by the connected external device, the information is translated into a communication command protocol supported by the NB-IOT network and uploaded to the NB-IOT network.
  • the NB-IOT-based device group access terminal and the request plus Establishing connections to external devices on the NB-IOT network includes:
  • the NB-IOT-based device group access terminal When receiving the request for accessing the NB-IOT network initiated by the external device, the NB-IOT-based device group access terminal first connects with the external device, and allocates independent NB-IOT access for the connected external device. The ID is identified, and the external device is connected to the NB-IOT network through the NB-IOT access ID of the external device.
  • the method further includes:
  • the NB-IOT-based device group access terminal storage device mapping relationship includes an identifier of an external device accessing the NB-IOT network, an NB-IOT access identifier ID of the external device, and external device support Correspondence between communication command protocols.
  • the information translated into the NB-IOT network supported communication command protocol includes :
  • the NB-IOT-based device group access terminal queries the communication command protocol supported by the external device from the device mapping relationship according to the unique identifier of the external device, and parses the external device according to the communication command protocol supported by the external device.
  • the information uploaded by the device translates the parsing result into a communication command protocol supported by the NB-IOT network.
  • the external device comprises a smart home device.
  • connection between the NB-IOT-based device group access terminal and the external device adopts any one or more of the following manners:
  • the invention also discloses a device group access terminal of a cellular-based narrowband Internet of Things NB-IOT, comprising a NB-IOT access module, a device management module and a data service module, which are sequentially connected, wherein:
  • the device management module is configured to establish a connection with an external device requesting to join the NB-IOT network;
  • the data service module is configured to translate the command into a communication command protocol supported by the external device when the NB-IOT access module receives a command sent by the NB-IOT network to the external device.
  • the NB-IOT access module is delivered to the corresponding external device; and when the device management module receives the information uploaded by the connected external device, the information is translated into the NB-IOT network support.
  • the communication command protocol is uploaded to the NB-IOT network through the NB-IOT access module.
  • the device management module is configured to connect to the external device when receiving the request of the external device to access the NB-IOT network, and allocate an independent NB to the connected external device.
  • -IOT access identification ID -IOT access identification ID
  • the NB-IOT access module is configured to access an external device to the NB-IOT network by using an NB-IOT access ID of the external device.
  • the device management module is further configured to: after the independent NB-IOT access identifier ID is allocated to the connected external device, the storage device mapping relationship, where the device mapping relationship includes accessing the NB- The correspondence between the identifier of the external device of the IOT network, the NB-IOT access identifier ID of the external device, and the communication command protocol supported by the external device.
  • the data service module is configured to translate the information into an NB-IOT network support when the device management module receives the information uploaded by the external device that has established the connection by using the following manner: Communication command protocol:
  • the external device includes a smart home device.
  • the device management module includes a Bluetooth, a WIFI, and a Zigbee module.
  • the technical solution of the present application avoids the construction of a free cloud of various smart home networks by interacting with the translation of the intelligent access device to the NB-IOT network by using the IoT terminal device supporting different smart home network protocols. .
  • the NB-IOT intelligent access terminal provided by the present application can implement a large number of Internet of Things terminal devices without NB-IOT chips to access the NB-IOT network of the operator, thereby avoiding the upgrade and replacement cost of the device, and the economic benefits are obvious.
  • FIG. 1 is a schematic diagram of a topology of a smart home device accessing an NB-IOT network through an access terminal according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a principle of an access terminal in an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of an access terminal in an embodiment of the present invention.
  • FIG. 4 is a flowchart of a method for a sensor to access an NB-IOT network according to an embodiment of the present invention
  • FIG. 5 is a flowchart of a method for a sensor to upload information to an NB-IOT network according to an embodiment of the present invention
  • FIG. 6 is a flowchart of a NB-IOT-based wireless device group access method according to an embodiment of the present invention.
  • NB-IOT Near Band Internet of Things
  • the IoT terminal device includes a smart home appliance and a sensor using a wifi, zigbee, and Bluetooth access network, and does not have an NB-IOT chip, and the smart home appliance cannot access the operator's network, forming a device.
  • the waste, if upgraded, the replacement of a large number of devices is also no small expense.
  • the application provides a device group access terminal based on NB-IOT, that is, the smart home device can access the access terminal through wifi, Bluetooth, and Zigbee network, and the access terminal accesses through the translation and proxy functions.
  • the smart device accesses the NB-IOT network, wherein the accessed smart device can also be called an external device, and the external device can be a plurality of smart sensors and alarms in the smart home device, for example, a wireless temperature and humidity sensor, and a wireless air quality detection. , wireless infrared transponder, wireless smart socket, wireless wall switch, wireless dimmer switch, wireless smoke (fire alarm) detector and wireless door and window magnetic sensor.
  • the network topology between these sensors and the NB-IOT-based device group access terminal is shown in Figure 1.
  • the application also provides a device group access terminal based on NB-IOT, which mainly includes sequential connection Connected NB-IOT access module, device management module, data service module.
  • the NB-IOT access module is configured to be responsible for access and data transmission between the external device and the NB-IOT network;
  • the device management module may include a Bluetooth module, a WIFI module, and a Zigbee module, and is configured to be responsible for a connection with an external device accessing the NB-IOT network and a management function thereof, wherein the Bluetooth module, the WIFI module, and the Zigbee module are responsible for and Short-range wireless communication of external devices;
  • the data service module is set to be responsible for the translation function of the NB-IOT network protocol and the smart home interaction protocol. For example, when the NB-IOT access module receives the command sent by the NB-IOT network to the external device, the command is translated into a communication command protocol supported by the external device, and is sent to the corresponding NB-IOT access module. The external device; and when the device management module receives the information uploaded by the connected external device, translates the information into a communication command protocol supported by the NB-IOT network, and uploads the data to the NB-IOT network through the NB-IOT access module.
  • the present application further provides an NB-IOT-based wireless device group access method, as shown in FIG. 6, which can be implemented by using the foregoing access device, and the method mainly includes the following operations:
  • the first step S601 the NB-IOT-based device group access terminal establishes a connection with an external device requesting to join the NB-IOT network;
  • the NB-IOT-based device group access terminal can accept external devices (such as smart sensors, etc.) that the user chooses to join the NB-IOT network.
  • external devices such as smart sensors, etc.
  • the NB-IOT-based device group access terminal before the first step: when the user first uses the system, the NB-IOT-based device group access terminal also needs to automatically start device screening preparation and device search after startup.
  • the external devices involved in the present application may include various smart sensors and alarms in the smart home device.
  • the external device such as a sensor
  • the operation of the NB-IOT-based device group access terminal to establish an connection with the external device requesting to join the NB-IOT network includes: the NB-IOT-based device group access terminal receives the connection initiated by the external device. When entering the request of the NB-IOT network, first connect to the external device, The connected external device allocates an independent NB-IOT access identification ID, and then accesses the external device to the NB-IOT network through the NB-IOT access ID of the external device.
  • the NB-IOT-based device group access terminal may also store the device mapping relationship, that is, at least the identifier of the external device that accesses the NB-IOT network, the NB-IOT access identifier ID of the external device, and the external device. Correspondence between communication command protocols supported by the device.
  • the NB-IOT-based device group access terminal can query the communication command protocol supported by the external device according to the unique identifier of the external device, and then parse the external device according to the queried communication command protocol. The information is translated into a communication command protocol supported by the NB-IOT network.
  • This embodiment provides an NB-IOT intelligent access terminal. The principle is shown in FIG. 2 .
  • the NB-IOT intelligent access terminal and the NB-IOT network in this embodiment interact with each other through the NB-IOT communication protocol, and the NB-IOT intelligent access terminal and one or more external devices (for example, sensors, alarms, etc.) Connections are established between the Zigbee sensor network, the WIFI sensor network or the Bluetooth network.
  • the NB-IOT intelligent access terminal is responsible for allocating the independent identifiable identification ID of the NB-IOT network to the one or more external devices (ie, sensors, alarms), so that the sensor and the alarm can be based on the ID
  • the relatively independent smart home network accesses the operator's NB-IOT network and gains the management and operation capabilities of the existing NB-IOT network.
  • the structure of the NB-IOT-based wireless device group access terminal is as shown in FIG. 3. It mainly includes an NB-IOT access module 301, a device management module 302, and a data service module 303.
  • the NB-IOT access module 301 is configured to be responsible for access and data transmission of one or more external devices and the NB-IOT network;
  • the device management module 302 is configured to be responsible for an access management function of the external device, which may further include a Bluetooth module, a WIFI module, a Zigbee module, etc., and is responsible for short-range wireless communication with one or more external devices;
  • the data service module 303 is configured to be responsible for the translation function of the NB-IOT network protocol and the smart home interaction protocol.
  • the NB-IOT network sends IoT data to applications, and the Cellular Internet of Things (CIoT) is evolving.
  • the Evolved Packet System defines two optimization schemes: CIoT EPS User Plane CIoT EPS optimisation and CIOT EPS Control Surface Function Optimization (Control Plane CIoT EPS optimisation).
  • the CIoT EPS control plane function is optimized, and the uplink data is transmitted from the eNB (CIoT RAN) to the Mobility Management Entity (MME), where the transmission path is divided into two branches: or transmitted through a Serving GateWay (SGW).
  • MME Mobility Management Entity
  • the PDN GateWay (PGW) is transmitted to the application server, or is connected to the application server (CIoT Services) through the Service Capability Exposure Function (SCEF), which only supports non-IP data transmission.
  • SCEF Service Capability Exposure Function
  • the downstream data transmission path is the same, but in the opposite direction.
  • SCEF Service Capability Exposure Function
  • SCEF is newly introduced for NB-IoT design. It is used to transmit non-IP packets on the control plane and provides an abstract interface for network services such as authentication.
  • the IoT data transmission method is to send data on the radio bearer, which is transmitted by the SGW to the PGW and then to the application server. Therefore, this scheme creates additional overhead when establishing a connection, but its advantage is that the packet sequence is transmitted faster.
  • This solution supports IP data and non-IP data transfer.
  • the intelligent access terminal needs to decompose the data exchanged between the sensor and the server into control commands and data commands, and upload them to the NB-IOT network through different transmission methods.
  • the control command of the sensor can be sent to the NB-IOT network by means of signaling, and the sensor information with a small amount of data can also be packaged in the control signaling. Sended to the NB-IOT network on the control plane.
  • the access process is as shown in FIG. 4, and includes the following steps. :
  • Step 401 An external device (for example, a smart sensor) sends a device access request to the NB-IOT-based device group access terminal, and the NB-IOT device group access terminal sends the access request back to the external device. device.
  • an external device for example, a smart sensor
  • the communication path between the external device (such as a smart sensor) and the B-IOT-based device group access terminal is Wifi, Zigbee or Bluetooth, and the protocol adopted is a smart home access protocol.
  • Step 402 The NB-IOT-based device group access terminal is solved according to the smart home access protocol.
  • the unique identifier of the external device is extracted, and the NB-IOT access ID that is available and not yet allocated is checked. If there is an unassigned access ID, the NB-IOT access ID is assigned to the external device as the external device in the NB- An identity identifier in the IOT network, and a device mapping relationship is added to the device mapping relationship table of the terminal (that is, the unique identifier of the external device and the NB-IOT access ID of the corresponding external device).
  • Step 403 The NB-IOT-based device group access terminal assembles the NB-IOT access ID of the external device into a control plane device access message, and synchronizes to the NB-IOT network.
  • Step 404 The NB-IOT network returns a response of the access message. After the access is successful, the external device can access the NB-IOT network as an ordinary NB-IOT terminal.
  • Step 405 The NB-IOT-based device group access terminal updates the device mapping relationship table, and sets the external device state to be accessed to the NB-IOT network.
  • the NB-IOT-based device group access terminal can notify the external device that the process of joining the NB-IOT network is completed.
  • the device mapping relationship table in this embodiment is defined in Table 1 and Table 2.
  • the device mapping relationship table can be used to maintain the external device access status and protocol information.
  • Table 1 shows the device mapping table.
  • Step 501 The external device (for example, a sensor) sends a device information upload request to the NB-IOT-based device group access terminal, and the NB-IOT-based device group access terminal receives the device and checks the device mapping relationship table. If the NB-IOT network of the external device is added to the NB-IOT network, the process proceeds to step 502; if the NB-IOT network of the external device is not yet added When the NB-IOT network is added, the screening request is initiated to the NB-IOT network again. If the network fails, the status update failure result is returned to the external device. If the network is successfully added, the device mapping relationship table is updated, and the process proceeds to step 502.
  • the external device for example, a sensor
  • Step 502 Parse the upload request according to the internal smart home communication protocol in the device mapping relationship table of the external device according to the corresponding internal smart home communication protocol.
  • Step 503 The NB-IOT-based device group access terminal decomposes the information into a data part and a control signaling part, and decomposes the data part according to the data length threshold into a data part whose data length is shorter and can be uploaded with the control signaling ( It mainly includes device status update information, alarm information) and data parts (including detailed data part) that need to be sent separately.
  • Step 504 The control signaling part and the data part that can be uploaded with the control signaling are packaged into an NB-IOT network command according to a non-IP data packet manner; the data part that needs to be separately sent is packaged into an NB-IOT network according to the IP data packet manner. command.
  • Step 505 After the NB-IOT network command is added to the NB-IOT network identifier and the timestamp information, the generated NB-IOT network command is sent to the NB-IOT network, and the external device access request and the corresponding NB-IOT network command are sent. The correspondence is saved to the NB-IOT-based device group access terminal that has been sent to the cache queue.
  • Step 506 After receiving the NB-IOT network return command response, the NB-IOT-based device group access terminal matches the sent NB-IOT network command in the sending buffer queue, and if it does not match the corresponding in the sent buffer queue If the issued command is sent, the discarding process is performed; if the corresponding sent command is matched in the sent buffer queue, the process proceeds to step 507.
  • Step 507 Find corresponding external device access in the external device access request and the corresponding NB-IOT network command correspondence table according to the matched device NB-IOT network identifier and timestamp information of the transmitted NB-IOT network command. request.
  • Step 508 Generate a return result according to the internal smart home protocol corresponding to the external device access request, and send the result to the corresponding external device.
  • Table 3 is the correspondence table between the external device access request and the corresponding NB-IOT network command.
  • Embodiments of the present invention also provide a computer readable storage medium storing computer executable instructions that, when executed by a processor, implement the method as described above.
  • the present application adds a device with an NB-IOT chip (ie, a NB-IOT-based device group access terminal) to the group, and other external devices (ie, home smart devices) pass the wireless device.
  • a device with an NB-IOT chip ie, a NB-IOT-based device group access terminal
  • other external devices ie, home smart devices
  • the wireless device ie, wireless device.
  • the access terminal provides the conversion function of the communication path of the NB-IOT network communication and the access modes of wifi, zigbee, Bluetooth, etc.
  • the command translation of the NB-IOT network command and the private smart home access protocol can realize the coverage of various types of smart home protocols and devices through extension, thereby achieving the effect that all devices access the NB-IOT network.
  • computer storage medium includes volatile and nonvolatile, implemented in any method or technology for storing information, such as computer readable instructions, data structures, program modules, or other data. , removable and non-removable media.
  • Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storage, magnetic cartridge, magnetic tape, magnetic disk storage or other magnetic storage device, or may Any other medium used to store the desired information and that can be accessed by the computer.
  • communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal, such as a carrier wave or other transport mechanism, and can include any information delivery media.
  • This application implements an Internet of Things terminal device that will support different smart home network protocols.
  • the translation of the intelligent access device is translated into the NB-IOT network, which avoids the construction of free clouds of various smart home networks and the inability to interact with each other.
  • the NB-IOT intelligent access terminal provided by the present application can implement a large number of Internet of Things terminal devices without NB-IOT chips to access the NB-IOT network of the operator, thereby avoiding the upgrade and replacement cost of the device, and the economic benefits are obvious.

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Abstract

一种基于NB-IOT的无线设备群组接入方法及终端，涉及智能家居系统技术。其中，所述方法包括：基于NB-IOT的设备群组接入终端与请求加入NB-IOT网络的外部设备建立连接(S601)；当基于NB-IOT的设备群组接入终端接收到NB-IOT网络对外部设备下发的命令时，将该命令翻译成该外部设备支持的通讯命令协议，下发至对应的外部设备；当基于NB-IOT的设备群组接入终端接收到已建立连接的外部设备上传的信息时，将该信息翻译成NB-IOT网络支持的通讯命令协议上传至NB-IOT网络(S602)。

Description

一种基于NB-IOT的无线设备群组接入方法及终端 技术领域
本文涉及但不限于智能家居技术，尤其涉及一种基于NB-IOT的无线设备群组接入方法及终端。
背景技术
智能家居系统由传感器、服务器以及专用云组成，传感器与服务器之间主要通过Zigbee、WIFI、蓝牙等近距离通信方式进行通信，传感器与服务器之间完成加网(即传感器加入服务器管理网络)后，服务器将所述传感器与服务器信息同步至专用云，用户再下载相应的APP管理软件，完成注册以后通过云服务完成智能家居设备的查询和设置操作。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本文提供一种基于NB-IOT的设备群组接入方法及终端。
本文公开了一种基于蜂窝的窄带物联网NB-IOT的设备群组接入方法，包括：
基于NB-IOT的设备群组接入终端与请求加入NB-IOT网络的外部设备建立连接；
当基于NB-IOT的设备群组接入终端接收到NB-IOT网络对外部设备下发的命令时，将该命令翻译成该外部设备支持的通讯命令协议，下发至对应的外部设备；当基于NB-IOT的设备群组接入终端接收到已建立连接的外部设备上传的信息时，将该信息翻译成NB-IOT网络支持的通讯命令协议上传至NB-IOT网络。
可选地，上述方法中，所述基于NB-IOT的设备群组接入终端与请求加 入NB-IOT网络的外部设备建立连接包括：
所述基于NB-IOT的设备群组接入终端收到外部设备发起的接入NB-IOT网络的请求时，先与该外部设备进行连接，为连接的外部设备分配独立的NB-IOT接入标识ID，再通过所述外部设备的NB-IOT接入ID将外部设备接入NB-IOT网络。
可选地，所述基于NB-IOT的设备群组接入终端为连接的外部设备分配独立的NB-IOT接入标识ID后，所述方法还包括：
所述基于NB-IOT的设备群组接入终端存储设备映射关系，所述设备映射关系包括接入NB-IOT网络的外部设备的标识、外部设备的NB-IOT接入标识ID以及外部设备支持的通讯命令协议之间的对应关系。
可选地，上述方法中，所述当基于NB-IOT的设备群组接入终端接收到已建立连接的外部设备上传的信息时，将该信息翻译成NB-IOT网络支持的通讯命令协议包括：
所述基于NB-IOT的设备群组接入终端根据该外部设备的唯一标识，从所述设备映射关系中查询该外部设备支持的通讯命令协议，按照该外部设备支持的通讯命令协议解析该外部设备上传的信息，将解析结果翻译成NB-IOT网络支持的通讯命令协议。
可选地，上述方法中，所述外部设备包括智能家居设备。
可选地，上述方法中，所述基于NB-IOT的设备群组接入终端与所述外部设备之间的连接采用如下任一种或几种方式：
蓝牙、WIFI、Zigbee。
本文还公开了一种基于蜂窝的窄带物联网NB-IOT的设备群组接入终端，包括依次连接的NB-IOT接入模块、设备管理模块和数据服务模块，其中：
所述设备管理模块，设置为与请求加入NB-IOT网络的外部设备建立连接；
所述数据服务模块，设置为在所述NB-IOT接入模块收到NB-IOT网络对外部设备下发的命令时，将该命令翻译成该外部设备支持的通讯命令协 议，通过所述NB-IOT接入模块下发至对应的外部设备；以及在所述设备管理模块接收到已建立连接的外部设备上传的信息时，将该信息翻译成NB-IOT网络支持的通讯命令协议，通过所述NB-IOT接入模块上传至NB-IOT网络。
可选地，上述终端中，所述设备管理模块，是设置为在收到外部设备发起的接入NB-IOT网络的请求时，与该外部设备进行连接，为连接的外部设备分配独立的NB-IOT接入标识ID；
所述NB-IOT接入模块，设置为通过所述外部设备的NB-IOT接入ID将外部设备接入NB-IOT网络。
可选地，上述终端中，所述设备管理模块，还设置为在为连接的外部设备分配独立的NB-IOT接入标识ID后，存储设备映射关系，所述设备映射关系包括接入NB-IOT网络的外部设备的标识、外部设备的NB-IOT接入标识ID以及外部设备支持的通讯命令协议之间的对应关系。
可选地，上述终端中，所述数据服务模块，是设置为通过如下方式实现在所述设备管理模块接收到已建立连接的外部设备上传的信息时，将该信息翻译成NB-IOT网络支持的通讯命令协议：
根据该外部设备的唯一标识，从所述设备映射关系中查询该外部设备支持的通讯命令协议，按照该外部设备支持的通讯命令协议解析该外部设备上传的信息，将解析结果翻译成NB-IOT网络支持的通讯命令协议。
可选地，上述终端中，所述外部设备包括智能家居设备。
可选地，上述终端中，所述设备管理模块包括蓝牙、WIFI和Zigbee模块。
本申请技术方案通过将支持不同的智能家居网络协议的物联网终端设备，通过智能接入设备的翻译转换接入到NB-IOT网络，避免了多种智能家居网络各自建设自由云，互相无法交互。并且，本申请提供的NB-IOT智能接入终端可以实现大量不带NB-IOT芯片的物联网终端设备接入运营商的NB-IOT网络，避免了设备的升级替换费用，经济效益明显。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1是本发明实施例中智能家居设备通过接入终端接入NB-IOT网络的拓扑示意图；
图2是本发明实施例中接入终端的原理示意图；
图3是本发明实施例中接入终端的结构示意图；
图4是本发明实施例中传感器接入NB-IOT网络的方法流程图；
图5是本发明实施例中传感器上传信息至NB-IOT网络的方法流程图；
图6是本发明实施例中基于NB-IOT的无线设备群组接入方法流程图。
本发明的实施方式
如果对每一个智能家居系统配备一个专有的云服务，以及一套私有的云协议，不同厂家之间的协议不统一，系统之间无法互联，运营和研发成本都很大。
NB-IOT(Narrow Band Internet of Things,基于蜂窝的窄带物联网)可以让大量物联网终端设备接入运营商网络。所述物联网终端设备包括智能家电和传感器采用的是wifi、zigbee、蓝牙的方式接入网络，并不带有NB-IOT芯片，所述智能家电设备无法接入运营商的网络，形成了设备的浪费，如果进行升级，大量设备的升级替换也是不小的费用。
本申请提供一种基于NB-IOT的设备群组接入终端，即智能家居设备可以通过wifi、蓝牙、Zigbee网络接入该接入终端，该接入终端通过翻译和代理功能，将接入的智能设备接入NB-IOT网络，其中，接入的智能设备也可称为外部设备，外部设备可以为智能家居设备中多种智能传感器及报警器，例如，无线温度湿度传感器、无线空气质量探测器、无线红外转发器、无线智能插座、无线墙面开关、无线调光开关、无线烟雾(火警)探测器和无线门窗磁感应器等。这些传感器与基于NB-IOT的设备群组接入终端之间的网络拓扑结构如图1所示。
本申请还提供一种基于NB-IOT的设备群组接入终端，主要包括依次连 接的NB-IOT接入模块、设备管理模块、数据服务模块。
其中，NB-IOT接入模块，设置为负责外部设备与NB-IOT网络的接入和数据传输；
设备管理模块，可以包括蓝牙模块、WIFI模块、Zigbee模块，设置为负责与接入NB-IOT网络的外部设备之间的连接及其的管理功能，其中，蓝牙模块、WIFI模块和Zigbee模块负责和外部设备的短距离无线通信；
数据服务模块，设置为负责NB-IOT网络协议与智能家居交互协议的翻译功能。例如，在NB-IOT接入模块收到NB-IOT网络对外部设备下发的命令时，将该命令翻译成该外部设备支持的通讯命令协议，通过NB-IOT接入模块下发至对应的外部设备；以及在设备管理模块接收到已建立连接的外部设备上传的信息时，将该信息翻译成NB-IOT网络支持的通讯命令协议，通过NB-IOT接入模块上传至NB-IOT网络。
本申请还提供一种基于NB-IOT的无线设备群组接入方法，如图6所示，其可以依赖上述接入设备来实现，该方法主要包括如下操作：
第一步S601：基于NB-IOT的设备群组接入终端与请求加入NB-IOT网络的外部设备建立连接；
基于NB-IOT的设备群组接入终端可以接受用户选择加入NB-IOT网络的外部设备(如智能传感器等)。
另外，在第一步之前：用户在首次使用本系统时，基于NB-IOT的设备群组接入终端还需要启动后自动开始设备加网准备和设备搜索。而本申请中所涉及的外部设备可以包括智能家居设备中多种智能传感器及报警器。
第二步(S602)：当接入终端设备接收到NB-IOT网络下发的命令时，将该命令翻译成对应外部设备(如传感器等)支持的通讯命令协议，下发至对应外部设备；当接入终端接收到外部设备上传的信息时，将该信息翻译成NB-IOT网络支持的通讯命令协议上传至NB-IOT网络。
要说明的是，基于NB-IOT的设备群组接入终端与请求加入NB-IOT网络的外部设备建立连接的操作包括：基于NB-IOT的设备群组接入终端收到外部设备发起的接入NB-IOT网络的请求时，先与该外部设备进行连接，为 连接的外部设备分配独立的NB-IOT接入标识ID，再通过外部设备的NB-IOT接入ID将外部设备接入NB-IOT网络。
按照上述操作后，基于NB-IOT的设备群组接入终端还可以存储设备映射关系，即至少存储接入NB-IOT网络的外部设备的标识、外部设备的NB-IOT接入标识ID以及外部设备支持的通讯命令协议之间的对应关系。
基于设备映射关系，基于NB-IOT的设备群组接入终端就可以根据该外部设备的唯一标识，查询到该外部设备支持的通讯命令协议，再按照查询到的通讯命令协议解析该外部设备上传的信息，从而将解析结果翻译成NB-IOT网络支持的通讯命令协议。
下面结合附图及实际应用详细介绍上述方案的具体实施。
本实施例提供了一种NB-IOT智能接入终端，请其原理如图2所示。
本实施例中的NB-IOT智能接入终端与NB-IOT网络之间通过NB-IOT通讯协议交互，NB-IOT智能接入终端与一个或多个外部设备(例如，传感器、告警器等)之间通过Zigbee传感器网络，WIFI传感器网络或者蓝牙网络建立连接。NB-IOT智能接入终端负责为所述一个或多个外部设备(即传感器、告警器)分配接入NB-IOT网络的独立的可识别标识ID，从而基于此ID可以将传感器、告警器从相对独立的智能家居网络接入到运营商的NB-IOT网络，获得现有NB-IOT网络的管理和操作能力。
可选地，基于NB-IOT的无线设备群组接入终端的结构如图3所示。主要包括NB-IOT接入模块301、设备管理模块302和数据服务模块303。
NB-IOT接入模块301，设置为负责一个或多个外部设备与NB-IOT网络的接入和数据传输；
设备管理模块302，设置为负责外部设备的接入管理功能，其又可以包括蓝牙模块、WIFI模块、Zigbee模块等，负责和一个或多个外部设备的短距离无线通信；
数据服务模块303，设置为负责NB-IOT网络协议与智能家居交互协议的翻译功能。
NB-IOT网络将物联网数据发送给应用，蜂窝物联网(CIoT)在演进的 分组系统(Evolved Packet System，EPS)定义了两种优化方案：CIoT EPS用户面功能优化(User Plane CIoT EPS optimisation)，CIoT EPS控制面功能优化(Control Plane CIoT EPS optimisation)。其中CIoT EPS控制面功能优化，上行数据从eNB(CIoT RAN)传送至移动管理实体(Mobility Management Entity，MME)，在这里传输路径分为两个分支：或者通过服务网关(Serving GateWay，SGW)传送到PDN网关(PDN GateWay，PGW)再传送到应用服务器，或者通过业务能力开放功能实体SCEF(Service Capability Exposure Function)连接到应用服务器(CIoT Services)，后者仅支持非IP数据传送。下行数据传送路径一样，只是方向相反。这一方案无需建立数据无线承载，数据包直接在信令无线承载上发送。因此，这一方案适合非频发的小数据包传送。SCEF是专门为NB-IoT设计而新引入的，它用于在控制面上传送非IP数据包，并为鉴权等网络服务提供了一个抽象的接口。对于CIoT EPS用户面功能优化，物联网数据传送方式为在无线承载上发送数据，由SGW传送到PGW再到应用服务器。因此，这种方案在建立连接时会产生额外开销，不过，它的优势是数据包序列传送更快。这一方案支持IP数据和非IP数据传送。针对NB-IOT网络的这一特点，智能接入终端需要将传感器与服务器之间交互的数据分解为控制命令和数据命令，通过不同的传输方式上传至NB-IOT网络。通过这种方式，即便在数据的无线承载异常的情况下，仍然可以将传感器的控制指令通过信令的方式发送至NB-IOT网络，数据量较小的传感器信息也可以包装在控制信令中在控制面发送至NB-IOT网络。
基于上述NB-IOT网络的特点，下面以一个具体的例子说明上述方案是如何将外部设备(如传感器等)接入NB-IOT网络的，该接入过程如图4所示，包括如下操作步骤：
步骤401：外部设备(例如智能传感器)将设备接入请求发送给基于NB-IOT的设备群组接入终端，NB-IOT设备群组接入终端收到后将接入请求发回给该外部设备。
其中，外部设备(例如智能传感器)与基于B-IOT的设备群组接入终端之间通讯通路为Wifi、Zigbee或者蓝牙，采用的协议为智能家居接入协议。
步骤402：基于NB-IOT的设备群组接入终端按照智能家居接入协议解 析出外部设备的唯一标识，并检查是否有可用且尚未分配的NB-IOT接入ID，如果存在未分配的接入ID，为该外部设备分配NB-IOT接入ID作为该外部设备在NB-IOT网络中的身份标识，并在本终端的设备映射关系表中增加一条设备映射关系(即外部设备的唯一标识与其对应的外部设备的NB-IOT接入ID)。
步骤403：基于NB-IOT的设备群组接入终端将该外部设备的NB-IOT接入ID组装为控制面设备接入消息，同步至NB-IOT网络。
步骤404：NB-IOT网络返回该接入消息的响应，接入成功后，该外部设备即可作为普通的NB-IOT终端接入到NB-IOT网络。
步骤405：基于NB-IOT的设备群组接入终端更新设备映射关系表，将该外部设备状态置为已接入NB-IOT网络。
到此，基于NB-IOT的设备群组接入终端可以通知该外部设备加入NB-IOT网络的流程完成。
其中，本实施例中所涉及的设备映射关系表定义见下表1和表2，可以通过设备映射关系表维护外部设备接入状态和协议信息。
表1为设备映射关系表
Figure PCTCN2017106366-appb-000001
表2为表1续表
Figure PCTCN2017106366-appb-000002
以下以一个具体的例子说明本发明实施例中外部设备上传信息至NB-IOT网络的过程，此过程请参见图5，包括如下步骤501至508：
步骤501：外部设备(例如传感器)将设备信息上传请求发送给基于NB-IOT的设备群组接入终端，基于NB-IOT的设备群组接入终端收到后在设备映射关系表中检查该外部设备的NB-IOT网络加网状态，如果该外部设备的NB-IOT网络加网状态为已加入NB-IOT网络，则进入步骤502；如果该外部设备的NB-IOT网络加网状态为尚未加入NB-IOT网络，则再次向NB-IOT网络发起加网请求，加网失败则向该外部设备返回状态更新失败结果，加网成功则更新设备映射关系表，进入步骤502。
步骤502：根据该外部设备在设备映射关系表中的内部智能家居协议项对上传请求按照对应的内部智能家居通讯协议进行解析。
步骤503：基于NB-IOT的设备群组接入终端将该信息分解为数据部分和控制信令部分，将数据部分根据数据长度阈值分解为数据长度较短可随控制信令上传的数据部分(主要包括设备状态更新信息，告警信息)和需要单独发送的数据部分(包括详细数据部分)。
步骤504：将控制信令部分以及可随控制信令上传的数据部分按照非IP数据包方式包装成NB-IOT网络命令；需要单独发送的数据部分按照IP数据包的方式包装成NB-IOT网络命令。
步骤505：将NB-IOT网络命令增加设备NB-IOT网络标识和时间戳信息后将生成的NB-IOT网络命令发送至NB-IOT网络，将该外部设备接入请求和对应NB-IOT网络命令对应关系保存至基于NB-IOT的设备群组接入终端已发送缓存队列中。
该步骤中，该外部设备接入请求和对应NB-IOT网络命令对应关系表具体内容见表3。
步骤506：基于NB-IOT的设备群组接入终端收到NB-IOT网络返回命令响应后，在发送缓存队列中匹配发送的NB-IOT网络命令，如果在已发送缓存队列中未匹配到对应的已发命令，则做丢弃处理；如果在已发送缓存队列中匹配到对应的已发命令则进入步骤507。
步骤507：按照匹配到的已发送NB-IOT网络命令的设备NB-IOT网络标识和时间戳信息在该外部设备接入请求和对应NB-IOT网络命令对应关系表中找到对应的外部设备接入请求。
步骤508：按照该外部设备接入请求对应的内部智能家居协议生成返回结果并发送给对应的该外部设备备。
其中，本实施例中所涉及的该外部设备接入请求和NB-IOT网络命令对应关系如表3和表4所示。
表3为外部设备接入请求和对应NB-IOT网络命令对应关系表
Figure PCTCN2017106366-appb-000003
表4为表3续表
Figure PCTCN2017106366-appb-000004
本发明实施例还提供了一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令被处理器执行时实现如上所述的方法。
从上述实施例可以看出，本申请在群组中增加一个带有NB-IOT芯片的设备(即基于NB-IOT的设备群组接入终端)，其他外部设备(即家居智能设备)通过无线(wifi、zigbee、蓝牙)与它连接，该接入终端提供NB-IOT网络通讯与wifi、zigbee、蓝牙等接入方式的通信通路的转换功能，且提供 NB-IOT网络命令与私有智能家居接入协议的命令翻译，通过扩展可以实现多种类智能家居协议和设备的覆盖，从而达到所有设备都接入NB-IOT网络的效果。
本领域普通技术人员可以理解，上文中所公开方法中的全部或某些步骤、系统、装置中的功能模块/单元可以被实施为软件、固件、硬件及其适当的组合。在硬件实施方式中，在以上描述中提及的功能模块/单元之间的划分不一定对应于物理单元的划分；例如，一个物理组件可以具有多个功能，或者一个功能或步骤可以由若干物理组件合作执行。某些组件或所有组件可以被实施为由处理器，如数字信号处理器或微处理器执行的软件，或者被实施为硬件，或者被实施为集成电路，如专用集成电路。这样的软件可以分布在计算机可读介质上，计算机可读介质可以包括计算机存储介质(或非暂时性介质)和通信介质(或暂时性介质)。如本领域普通技术人员公知的，术语计算机存储介质包括用于存储信息(诸如计算机可读指令、数据结构、程序模块或其他数据)的任何方法或技术中实施的易失性和非易失性、可移除和不可移除介质。计算机存储介质包括但不限于RAM、ROM、EEPROM、闪存或其他存储器技术、CD-ROM、数字多功能盘(DVD)或其他光盘存储、磁盒、磁带、磁盘存储或其他磁存储装置、或者可以用于存储期望的信息并且可以被计算机访问的任何其他的介质。此外，本领域技术人员公知的是，通信介质通常包含计算机可读指令、数据结构、程序模块或者诸如载波或其他传输机制之类的调制数据信号中的其他数据，并且可包括任何信息递送介质。
以上所述，仅为本发明的可选实例而已，并非用于限定本发明的保护范围。凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
本申请实现了将支持不同的智能家居网络协议的物联网终端设备，通过 智能接入设备的翻译转换接入到NB-IOT网络，避免了多种智能家居网络各自建设自由云，互相无法交互。并且，本申请提供的NB-IOT智能接入终端可以实现大量不带NB-IOT芯片的物联网终端设备接入运营商的NB-IOT网络，避免了设备的升级替换费用，经济效益明显。

Claims (13)

  1. 一种基于蜂窝的窄带物联网NB-IOT的设备群组接入方法，包括：
    基于NB-IOT的设备群组接入终端与请求加入NB-IOT网络的外部设备建立连接(S601)；
    当基于NB-IOT的设备群组接入终端接收到NB-IOT网络对外部设备下发的命令时，将该命令翻译成该外部设备支持的通讯命令协议，下发至对应的外部设备；当基于NB-IOT的设备群组接入终端接收到已建立连接的外部设备上传的信息时，将该信息翻译成NB-IOT网络支持的通讯命令协议上传至NB-IOT网络(S602)。
  2. 如权利要求1所述的方法，其中，所述基于NB-IOT的设备群组接入终端与请求加入NB-IOT网络的外部设备建立连接(S601)包括：
    所述基于NB-IOT的设备群组接入终端收到外部设备发起的接入NB-IOT网络的请求时，先与该外部设备进行连接，为连接的外部设备分配独立的NB-IOT接入标识ID，再通过所述外部设备的NB-IOT接入ID将外部设备接入NB-IOT网络。
  3. 如权利要求2所述的方法，方法还包括：
    所述基于NB-IOT的设备群组接入终端为连接的外部设备分配独立的NB-IOT接入标识ID后，所述基于NB-IOT的设备群组接入终端存储设备映射关系，所述设备映射关系包括接入NB-IOT网络的外部设备的标识、外部设备的NB-IOT接入标识ID以及外部设备支持的通讯命令协议之间的对应关系。
  4. 如权利要求3所述的方法，其中，所述当基于NB-IOT的设备群组接入终端接收到已建立连接的外部设备上传的信息时，将该信息翻译成NB-IOT网络支持的通讯命令协议包括：
    所述基于NB-IOT的设备群组接入终端根据该外部设备的唯一标识，从所述设备映射关系中查询该外部设备支持的通讯命令协议，按照该外部设备支持的通讯命令协议解析该外部设备上传的信息，将解析结果翻译成NB-IOT网络支持的通讯命令协议。
  5. 如权利要求1至4任一项所述的方法，其中，所述外部设备包括智能家居设备。
  6. 如权利要求5所述的方法，其中，所述基于NB-IOT的设备群组接入终端与所述外部设备之间的连接采用如下任一种或几种方式：
    蓝牙、WIFI、Zigbee。
  7. 一种基于蜂窝的窄带物联网NB-IOT的设备群组接入终端，包括依次连接的NB-IOT接入模块(301)、设备管理模块(302)和数据服务模块(303)，其中：
    所述设备管理模块(302)，设置为与请求加入NB-IOT网络的外部设备建立连接；
    所述数据服务模块(303)，设置为在所述NB-IOT接入模块(301)收到NB-IOT网络对外部设备下发的命令时，将该命令翻译成该外部设备支持的通讯命令协议，通过所述NB-IOT接入模块(301)下发至对应的外部设备；以及在所述设备管理模块(302)接收到已建立连接的外部设备上传的信息时，将该信息翻译成NB-IOT网络支持的通讯命令协议，通过所述NB-IOT接入模块(301)上传至NB-IOT网络。
  8. 如权利要求7所述的终端，其中，
    所述设备管理模块(302)，是设置为在收到外部设备发起的接入NB-IOT网络的请求时，与该外部设备进行连接，为连接的外部设备分配独立的NB-IOT接入标识ID；
    所述NB-IOT接入模块(301)，设置为通过所述外部设备的NB-IOT接入ID将外部设备接入NB-IOT网络。
  9. 如权利要求8所述的终端，其中，
    所述设备管理模块(302)，还设置为在为连接的外部设备分配独立的NB-IOT接入标识ID后，存储设备映射关系，所述设备映射关系包括接入NB-IOT网络的外部设备的标识、外部设备的NB-IOT接入标识ID以及外部设备支持的通讯命令协议之间的对应关系。
  10. 如权利要求9所述的终端，其中，所述数据服务模块(303)，是 设置为通过如下方式实现在所述设备管理模块接收到已建立连接的外部设备上传的信息时，将该信息翻译成NB-IOT网络支持的通讯命令协议：
    根据该外部设备的唯一标识，从所述设备映射关系中查询该外部设备支持的通讯命令协议，按照该外部设备支持的通讯命令协议解析该外部设备上传的信息，将解析结果翻译成NB-IOT网络支持的通讯命令协议。
  11. 如权利要求7至10任一项所述的终端，其中，所述外部设备包括智能家居设备。
  12. 如权利要求11所述的终端，其中，所述设备管理模块包括蓝牙、WIFI和Zigbee模块。
  13. 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令被处理器执行时实现如权利要求1至6中任一项所述的方法。
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