WO2011113269A1 - Procédé et système pour la gestion d'un réseau de capteurs sans fil - Google Patents

Procédé et système pour la gestion d'un réseau de capteurs sans fil Download PDF

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Publication number
WO2011113269A1
WO2011113269A1 PCT/CN2010/077280 CN2010077280W WO2011113269A1 WO 2011113269 A1 WO2011113269 A1 WO 2011113269A1 CN 2010077280 W CN2010077280 W CN 2010077280W WO 2011113269 A1 WO2011113269 A1 WO 2011113269A1
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WO
WIPO (PCT)
Prior art keywords
wsn
storage unit
gateway
configuration information
information storage
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PCT/CN2010/077280
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English (en)
Chinese (zh)
Inventor
马景旺
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中兴通讯股份有限公司
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Publication of WO2011113269A1 publication Critical patent/WO2011113269A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition

Definitions

  • the present invention relates to wireless sensor networks, and in particular, to a management method and system for a wireless sensor network. Background technique
  • wireless sensor networks are a new information acquisition and processing technology.
  • the continuous improvement of micro-manufacturing technology, communication technology and battery technology has enabled tiny sensor terminals to have the ability to sense, communicate wirelessly and process information.
  • Such sensor terminals can not only sense and detect environmental changes, but also handle them.
  • the collected data is sent to the data collection center by wireless transmission.
  • These sensor terminals are typically composed of a power supply, a sensing component, an embedded processor, a memory, a communication component, and software;
  • the sensing component is used to sense and acquire external information and convert it into a digital signal;
  • the processing component is responsible for coordinating the work of various parts of the node, such as performing necessary processing, saving, controlling the sensing component and the power supply of the information acquired by the sensing component. Mode, etc.
  • the communication component is responsible for communicating with other sensors or observers;
  • the software provides the necessary software support for the sensor nodes, such as embedded operating systems, embedded database systems, and more.
  • the sensor terminal can measure heat, infrared, sonar, radar and seismic wave signals in the surrounding environment by means of various sensing components built in the terminal, thereby detecting temperature, humidity, noise, light intensity and pressure. , soil composition, size of moving objects, Speed and direction, and many other material phenomena that we are interested in.
  • Sensor terminals generally form a network through self-organization or pre-configuration.
  • communication such as wired, wireless, infrared, and optical
  • short-range wireless low-power communication technology is most suitable for sensor networks. It is generally called Wireless Sensor Network (WSN).
  • WSN Wireless Sensor Network
  • the widely used wireless low-power communication technologies include: IEEE 802.15.4 and Zigbee technologies.
  • the Network, WPAN standard which specifies the physical layer and the Media Access Control (MAC) standard.
  • the IEEE 802.15.4 compliant communication module features low cost, low power consumption, and small size.
  • the Zigbee Alliance is an organization dedicated to developing reliable, low-cost, low-power, wireless network connectivity monitoring and control products based on open global standards.
  • the physical and MAC layers of the Zigbee standard use IEEE 802.15.4 technology, and the network layer, security management, application layer specifications, and interoperability are developed by the Zigbee Alliance.
  • the Zigbee smart energy public applications profile and the Zigbee home automation public applications profile in the Zigbee standard are separate for business environment applications and home applications.
  • the WSN terminal's micro-processing capabilities and wireless communication capabilities make WSN a promising application for military applications, biological and environmental monitoring, health applications, home applications, industrial control and monitoring.
  • WSN and telecommunication networks can make WSN an extension of the existing network, extending the capabilities of the communication network, enabling communication objects from People have expanded into the physical world and have good prospects for development.
  • WSN is combined with the existing telecommunication network, the WSN-aware data can be effectively transmitted to the data center.
  • WSN carries out centralized management, and the solution is currently dispersed in each The problem of WSN is difficult to manage.
  • the combination of WSN and telecommunication network refers to connecting the WSN with the telecommunication network, using the telecommunication network to monitor, manage and complete the service bearer and cooperation implementation of the WSN and the services it provides, and extend the services provided by the WSN through the telecommunication network.
  • the combination of WSN and telecommunication network is generally that the WSN is connected to the telecommunication network platform through the gateway device.
  • the WSN terminal is a sensor node constituting the WSN, and is responsible for collecting and uploading data, and receiving and executing commands.
  • the WSN terminal is generally connected to the gateway through one or more hops, and the devices constituting the WSN are several hundreds or more. Networking can be performed in the form of a star, a tree, or a mesh. Some devices may have strong networking and data forwarding capabilities.
  • the relevant network element entity in the telecommunications network sends the relevant instructions to the WSN terminal through the gateway.
  • the gateway is generally responsible for creating the WSN, which is responsible for the management of the WSN terminal when joining and leaving the sensor network.
  • the gateway stores the configuration information of the WSN terminal and the service of the sensor network. Important information such as configuration information.
  • the gateway acts as an important device when the WSN and the telecommunication network are combined, which determines whether the WSN can work normally.
  • the gateway has a failure or the gateway needs to be upgraded.
  • the WSN terminal cannot The data is reported to the relevant service unit entity on the network side through the gateway.
  • the terminal configuration information and network parameters in the WSN may also be lost due to the gateway failure, so that the WSN itself cannot work normally.
  • the gateway in the WSN is performed.
  • the replaced gateway does not have the configuration information of the previous sensor network. Therefore, the replaced gateway needs to rejoin the WSN terminal to create the WSN.
  • the WSN service cannot be performed normally, and the WSN service will be provided.
  • the reliability has an adverse effect. Summary of the invention
  • the main object of the present invention is to provide a management method and system for a wireless sensor network, which can restore the WSN service as soon as possible in the event of a gateway failure or a gateway upgrade, thereby improving the stability and reliability of the WSN.
  • a method for managing a wireless sensor network comprising:
  • the information storage unit acquires and stores the WSN configuration information in the WSN gateway of the wireless sensor network
  • the replaced WSN gateway obtains the WSN configuration information from the information storage unit.
  • the information storage unit obtains the WSN configuration information in the WSN gateway as follows: When the WSN configuration information changes, the WSN gateway actively sends the changed WSN configuration information to the information storage unit.
  • the information storage unit acquires the WSN configuration information in the WSN gateway as:
  • the information storage unit sends a request instruction to the WSN gateway
  • the WSN gateway sends the WSN configuration information to the information storage unit according to the request instruction.
  • the information storage unit is located on the management platform, and the replaced WSN gateway obtains the WSN configuration information from the information storage unit as: the management platform imports the configuration information stored in the information storage unit into the replaced WSN through the WSN service client. Gateway.
  • the information storage unit is located on the management platform, and the replaced WSN gateway obtains the WSN configuration information from the information storage unit: after the replaced WSN establishes a communication connection with the management platform, the management platform connects the information storage unit through the communication connection.
  • the WSN configuration information stored in the middle is sent to the replaced WSN gateway.
  • the information storage unit is located on a network element entity other than the management platform, and the replaced WSN gateway obtains the WSN configuration information from the information storage unit as: the information storage unit sends the stored WSN configuration information through the management platform. Give the replaced WSN gateway.
  • the method also includes:
  • the information storage unit obtains information other than the WSN configuration information in the WSN gateway that needs to be backed up;
  • the information storage unit sends the saved information that needs to be backed up to the replaced WSN gateway.
  • the service platform stores service configuration information, and when the WSN gateway is replaced, the method further includes the following steps: the service platform sends the stored service configuration information to the replaced WSN gateway; and the replaced WSN gateway performs related services according to the service configuration information. .
  • a management system for a wireless sensor network comprising: an information storage unit, a WSN gateway before replacement, and a replaced WSN gateway;
  • the information storage unit is configured to obtain WSN configuration information from a WSN gateway before replacement and store the information;
  • the pre-replacement WSN gateway is configured to provide WSN configuration information for the information storage unit.
  • the replaced WSN gateway is configured to acquire WSN configuration information from the information storage unit when the WSN gateway is replaced, and obtain the WSN configuration information according to the The WSN configuration information works at the WSN.
  • the information storage unit obtains the WSN configuration information from the WSN gateway before the replacement: if the WSN configuration information changes, the WSN gateway before the replacement actively sends the changed WSN configuration information to the information storage unit.
  • the information storage unit obtains the WSN configuration information from the WSN gateway before the replacement: the information storage unit sends a request instruction to the WSN gateway before the replacement;
  • the WSN gateway before the replacement sends the WSN configuration information to the information storage unit according to the request instruction.
  • the system further includes a WSN service client and a management platform, where the information storage unit is located on the management platform, and the replaced WSN gateway obtains the WSN configuration information from the information storage unit as: the management platform uses the information by the WSN service client.
  • the configuration information stored in the storage unit is imported into the replaced WSN gateway.
  • the system further includes a management platform, where the information storage unit is located on the management platform, and the replaced WSN gateway obtains the WSN configuration information from the information storage unit as follows: After the replaced WSN and the management platform establish a communication connection, the management platform passes the The communication connection sends the WSN configuration information stored in the information storage unit to the replaced WSN gateway.
  • the replaced WSN gateway obtains the WSN configuration information from the information storage unit as:
  • the information storage unit sends the stored WSN configuration information to the replaced WSN gateway through the management platform.
  • the information storage unit is further configured to obtain information that needs to be backed up except the WSN configuration information in the WSN gateway before the replacement; and, when the WSN gateway is replaced, send the saved information that needs to be backed up to the replaced one. WSN gateway.
  • the system also includes a business platform.
  • the service platform is configured to: when the WSN gateway is replaced, send the stored service configuration information to the replaced WSN gateway;
  • the replaced WSN gateway is further configured to perform related services according to service configuration information from the service platform.
  • the WSN configuration information is saved by the network element entity such as the management platform, and when the WSN gateway fails or the device is upgraded, the WSN configuration information saved by the network element entity such as the management platform can be imported and replaced. After the WSN gateway, the replaced WSN gateway replaces the original WSN gateway to work.
  • the present invention can improve the stability and reliability of the WSN service because the WSN service can be restored as soon as possible when the WSN gateway fails or the device is upgraded.
  • FIG. 1 is a schematic diagram of a network structure when a wireless sensor network related to the present invention is combined with a telecommunication network;
  • FIG. 2 is a schematic flow chart of a method for managing a wireless sensor network according to the present invention. detailed description
  • the basic idea of the present invention is: The WSN configuration information is saved by the network element entity such as the management platform. When the WSN gateway fails or the device is upgraded, the WSN configuration information saved by the network element entity such as the management platform can be imported into the replaced WSN gateway. The replaced WSN gateway replaces the original WSN gateway to work.
  • FIG. 1 is a schematic diagram of a network structure when a wireless sensor network related to the present invention is combined with a telecommunication network.
  • the WSN is composed of a WSN terminal and a WSN gateway, and the WSN is connected to the telecommunication network through the WSN gateway, thereby being in the telecommunication network.
  • the WSN gateway is responsible for connecting the WSN and the telecommunication network. It mainly performs functions such as protocol conversion, address mapping, and data forwarding. It can also integrate security and billing functions.
  • the functions that the WSN gateway can support include: Supporting data collaboration and aggregation within the sensor network; Supporting one or more of long-distance communication access methods such as mobile communication, wired access, broadband wireless access, satellite/microwave, etc., will be aggregated Data transmission to the communication peer; support device platform and remote management server device authentication and user authentication to the gateway; support service platform and remote management server to gateway parameters and software configuration; support user authentication and service security, device management security mechanism .
  • the service platform is a functional entity that operates and manages services combined with the WSN in the telecommunication network. It is responsible for integrating the services provided by each service provider and providing them to the end users, and managing the use of the services by the users.
  • the service platform cooperates with other functional entities in the telecommunication network to complete the entire business process according to the needs of different services, such as AAA server (Authentication Authorization and Accounting), and the service platform can also cooperate with the remote service. Connect to the business and update the business directly.
  • AAA server Authentication Authorization and Accounting
  • the management platform is an entity that implements management functions for the WSN, and is generally a remote management server.
  • the remote management server implements basic management functions for the WSN through the telecommunication network.
  • the WSN service client can be connected to the management platform and the service platform, and can perform functions such as querying and inputting business data of the WSN management, and complete management of the WSN with the management platform; the sensor network service client can communicate with the WSN through a connection line or the like.
  • the terminal establishes a communication connection with the gateway, and writes related parameters of the WSN and related parameters of the WSN service to the WSN terminal and the gateway in cooperation with the management platform and the service platform.
  • the WSN gateway acts as the Zigbee coordination point in the Zigbee network.
  • the WSN gateway acts as a trust center for network security management. At this time, the WSN gateway The WSN configuration information is stored.
  • Step 201 The information storage unit acquires and stores the WSN configuration information in the WSN gateway.
  • the manner in which the information storage unit obtains the WSN configuration information in the WSN gateway may be various.
  • the WSN gateway may actively send the changed WSN configuration information to the information storage unit when the WSN configuration information changes.
  • the requesting instruction is sent by the information storage unit to the WSN gateway; the WSN gateway sends the WSN configuration information to the information storage unit according to the request instruction, and when the information storage unit sends the request instruction to the WSN gateway, the request instruction may be sent according to a certain period.
  • the information storage unit may be located on a management platform in the telecommunication network, or may be located on another network element entity other than the management platform in the telecommunication network, such as a service platform.
  • Step 202 When the WSN gateway is replaced, the replaced WSN gateway acquires WSN configuration information from the information storage unit.
  • the reason for replacing the gateway is generally a gateway failure, a gateway upgrade, etc.
  • the method for the WSN gateway to obtain the WSN configuration information from the information storage unit may also be various.
  • the management platform may be used.
  • the configuration information stored in the information storage unit is imported into the replaced WSN gateway by the WSN service client.
  • the communication platform can also be established after the replaced WSN and the management platform establish a communication connection.
  • the communication connection sends the WSN configuration information stored in the information storage unit to the replaced WSN gateway; when the information storage unit is located on another network element entity other than the management platform, the information storage unit can configure the stored WSN through the management platform.
  • the information is sent to the replaced WSN gateway.
  • Step 203 The replaced WSN gateway works on the WSN according to the obtained WSN configuration information.
  • the information storage unit in the present invention is not limited to backing up the WSN configuration information, and may also back up other information that needs to be backed up, such as a data reporting policy, and the specific backup mode is similar to the backup of the WSN configuration information.
  • the service platform may also send the stored service configuration information to the replaced WSN gateway, and the replaced WSN gateway performs related services according to the service configuration information.
  • the present invention also provides a management system for a wireless sensor network, including: an information storage unit, a WSN gateway before replacement, and a replaced WSN gateway;
  • the information storage unit is configured to obtain WSN configuration information from the WSN gateway before replacement and store the WSN gateway before the replacement, and to provide the WSN configuration information for the information storage unit; and the replaced WSN gateway, when the WSN gateway is replaced, Obtained from the information storage unit
  • the WSN configures information, and works according to the obtained WSN configuration information in the WSN.
  • the information storage unit obtains the WSN configuration information from the WSN gateway before the replacement: if the WSN configuration information changes, the WSN gateway before the replacement actively sends the changed WSN configuration information. Send to the information storage unit.
  • the information storage unit obtains the WSN configuration information from the WSN gateway before the replacement:
  • the information storage unit sends a request instruction to the WSN gateway before the replacement
  • the WSN gateway before the replacement sends the WSN configuration information to the information storage unit according to the request command.
  • the system further includes a WSN service client and a management platform, where the information storage unit is located on the management platform, and the replaced WSN gateway obtains the WSN configuration information from the information storage unit as: the management platform uses the information by the WSN service client.
  • the configuration information stored in the storage unit is imported into the replaced WSN gateway.
  • the system further includes a management platform, where the information storage unit is located on the management platform, and the replaced WSN gateway obtains the WSN configuration information from the information storage unit as follows: After the replaced WSN and the management platform establish a communication connection, the management platform passes the communication. The connection sends the WSN configuration information stored in the information storage unit to the replaced WSN gateway.
  • the replaced WSN gateway obtains the WSN configuration information from the information storage unit as follows: The information storage unit sends the stored WSN configuration information to the replaced WSN gateway through the management platform.
  • the information storage unit is further configured to obtain information that needs to be backed up except the WSN configuration information of the WSN gateway before the replacement; and when the WSN gateway is replaced, send the saved information that needs to be backed up to the replaced WSN gateway. .
  • the system further includes a service platform, configured to send the stored service configuration information to the replaced WSN gateway when the WSN gateway is replaced;
  • the replaced WSN gateway is also used to perform related services based on service configuration information from the service platform.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

La présente invention se rapporte à un procédé pour la gestion d'un réseau de capteurs sans fil (WSN). Le procédé selon l'invention comprend les étapes suivantes : un module de stockage d'informations obtient et enregistre des informations de configuration de réseau WSN de la passerelle WSN ; la passerelle WSN remplacée obtient les informations de configuration de réseau WSN dudit module de stockage d'informations quand la passerelle WSN est remplacée ; la passerelle WSN remplacée fonctionne au sein du WSN sur la base des informations de configuration de réseau WSN obtenues. La présente invention se rapporte également à un système correspondant pour la gestion d'un réseau de capteurs sans fil. La présente invention permet de retrouver rapidement le service WSN quand la passerelle WSN est défaillante ou lors le processus de mise à niveau du dispositif. De cette manière, la fiabilité et la stabilité du service WSN se trouvent considérablement améliorées.
PCT/CN2010/077280 2010-03-19 2010-09-25 Procédé et système pour la gestion d'un réseau de capteurs sans fil WO2011113269A1 (fr)

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CN201010139144.7 2010-03-19
CN201010139144.7A CN102196465B (zh) 2010-03-19 2010-03-19 一种无线传感器网络的管理方法及系统

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CN105577488A (zh) * 2014-11-06 2016-05-11 中兴通讯股份有限公司 基于近场通信管理家庭网关的方法、装置和系统
CN104579798A (zh) * 2015-01-29 2015-04-29 国家电网公司 一种配用电力传输监控的wsn网关故障容忍模型及其工作机制
CN105657005B (zh) * 2015-12-29 2018-10-09 上海林内有限公司 更换Wi-Fi模块后数据转移累加系统及其转移累加方法
CN106972958A (zh) * 2017-03-13 2017-07-21 海信集团有限公司 网关设备配置方法、装置及系统
CN111767167B (zh) * 2020-04-30 2024-03-12 深圳市欧瑞博科技股份有限公司 网关数据的迁移方法、系统、服务器及存储介质

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