CN102474818B - 低功耗监控设备的网络布置 - Google Patents

低功耗监控设备的网络布置 Download PDF

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CN102474818B
CN102474818B CN201080032597.8A CN201080032597A CN102474818B CN 102474818 B CN102474818 B CN 102474818B CN 201080032597 A CN201080032597 A CN 201080032597A CN 102474818 B CN102474818 B CN 102474818B
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monitoring device
power consumption
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consumption monitoring
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CN102474818A (zh
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科林·加尔布雷斯
迈克·奥康尼尔
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Tescom Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
    • H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2662—Symbol synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/12—Shortest path evaluation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/20—Hop count for routing purposes, e.g. TTL
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Environmental & Geological Engineering (AREA)
  • Alarm Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

公开了一种在网状网络配置中与控制设备连接在一起的低功耗监控设备的网络布置。安全设备和控制设备的每个由机载电源供电。为了最大化电源的寿命，设备被周期性和同步地监控，且设备仅在监控期间被启动。

Description

低功耗监控设备的网络布置
本发明涉及布置在通常称为网状网络的配置中的低功耗监控设备。
网状网络是各种数据可在节点之间按规定路线发送的网络。网状网络的有利特征是，它通过允许节点周围的跳跃而允许即使节点之间的直接路径中断也实现节点之间的连接，直到到达所需节点。网状网络通常非常可靠，且结合信息技术(IT)应用特别地以无线形式被广泛使用。
到目前为止，由于监控设备需要靠从机载电源取得的电力来运转，在网状网络配置中连接这样的设备还不认为是可能的。由于这样的设备的电力需求，认为在网状网络配置中的使用将导致机载电源的不可接受地短的寿命，其中存在对网络中的设备的恒定监控的需要。
本申请人认识到，可能克服上面提到的困难并允许在网状网络型配置中使用低功耗监控设备。
因此，本发明的目的是在网状网络配置中提供低功耗监控设备的网络，其克服或至少最小化了对这种类型的设备使用这样的网络配置的上面确定的问题。
因此且根据本发明，提供了可操作来与控制设备通信的低功耗监控设备的网络布置，每个所述设备可操作来在两种状态，即启动状态和停用状态之间切换，在启动状态中，所述设备能够与控制设备通信且对电力的需求相对大，而在停用状态中，设备不能够通信且对电力的需求相对小，所述设备在所述状态之间切换，用于以预定的频率监控彼此同步地在所述状态之间切换的每个所述设备。
使用上述布置，低功耗监控设备可能用在网状网络布置中，并消除与在这样的网络配置中使用这样的设备相关的困难和问题。
优选地，设备和控制设备由一个或多个无线连接链接。
优选地，监控设备在所述状态之间切换，用于实质上以大约每0.5秒一次的频率与所述控制设备通信。最有利地，设备以预定的速率切换，但设备布置成在所述时间段的仅预定部分、一般大约18ms内保持在所述启动状态中。
监控设备可按需要或在适当时采取任何形式。仅作为例子，设备可包括安全设备、接入控制设备、火探测器或在操作中低功耗的且需要被有规律地监控的任何其它设备。
监控设备由优选地以可再充电或以其它方式可更换的电池的形式的机载电源供电。
现在仅作为例子并参考下面的附图来进一步描述本发明，单个附图示出合并根据本发明的低功耗监控设备的网状网络的一个实施方式的图示。
现在参考附图，示出了网状网络的一个实施方式，网状网络包括通过无线连接链接到多个安全设备11的控制设备10。所谓安全设备11指的是能够提供这样的设备的特征或状态的指示且将此传递到控制设备的任何设备。这样的设备的非限制性例子是电子安全设备、接入控制设备和火探测设备。
连接到网络的每个安全设备11可将数据发送控制设备10和从控制设备10接收数据(一个实施方式是建筑物警报系统的控制面板)。通过由网状网络将控制设备10连接到每个设备11，如果设备11之一出故障，或到其的连接出故障，这对系统中的其它设备11或它们通信的能力没有影响。在这样的情况下，因为数据经由其它操作节点馈送到其预期的目的地，这允许本发明的类型的网状网络在没有这样的布置的其它网络可能出故障时继续运行。
形成网络的每个安全设备11当网络运行时通常在连续睡眠或停用模式中，在该模式期间，每个设备的功率消耗最小。为了与控制设备10或网络上的另一设备11通信，控制设备可操作来每0.5秒将设备切换到其启动或醒来状态一次。在启动状态中，功率消耗相对高，因此使相应设备11在该状态下的在尽可能少的时间内保持电池电力并允许长得多的电池寿命是合乎需要的。在本实施方式中，这通过以上面提到的频率开启或关闭单独的设备或设备组来实现，以减小当网络运行时所需的电池电力的量。事实上，为了更进一步减小电力需求，设备布置成只在0.5秒时间段的一小部分内启动，且一般只在18ms的时间段内启动。为了使电池电力的消耗的减小延长电池的寿命，所有的设备11都以同步的方式启动，以允许通过控制设备对每个设备11的监控同时发生。
在启动状态期间，控制设备10可与每个设备通信，且设备11也可彼此通信，并可按需要或在适当时在它们之间传输数据、软件更新或任何其它数据。使用本文描述的布置，将认识到，到设备的电源将具有大得多的和商业上有吸引力的寿命。
总之因此将认识到下列事实：形成网状网络的所有或至少大部分设备被有规律地监控，且因此在最少量的时间内处于启动状态中。使用在下载或上传数据所需的一段时间内三使用启动状态的系统。已发现，大约0.5秒的频率适合于本实施方式，但当然任何短的时间帧可适合于其它实施方式，这意味着机载电源的寿命被最大化，从而克服了已知布置的上面提到的问题。
当然，应理解，本发明没有被规定为限于仅作为例子描述的上面实施方式的细节。

Claims (4)

1.一种网络布置，包括：可操作来与控制设备通信的低功耗监控设备，每个低功耗监控设备可操作来在两种状态，即启动状态和停用状态之间切换，在所述启动状态中，所述低功耗监控设备能够与所述控制设备通信且对电力的需求相对大，而在所述停用状态中，所述低功耗监控设备不能够与所述控制设备通信且对电力的需求相对小，所述低功耗监控设备以预定的速率在所述状态之间切换，且在状态之间的所述切换彼此同步地实现，其中所述控制设备可操作的将每个低功耗监控设备切换到其启动状态，且所有的低功耗监控设备都以同步的方式启动，以允许通过控制设备对每个低功耗监控设备的监控同时发生。
2.如权利要求1所述的网络布置，其中所述低功耗监控设备和控制设备由一个或多个无线连接链接。
3.如权利要求1或2所述的网络布置，
其中在所述启动状态和停用状态之间的切换实质上是以每0.5秒一次的频率。
4.如权利要求1或2所述的网络布置，其中在所述启动状态和停用状态之间的切换是以预定的周期性速率，且所述监控设备在一个时段的仅仅一部分内保持在所述启动状态或停用状态中。
CN201080032597.8A 2009-07-22 2010-01-28 低功耗监控设备的网络布置 Expired - Fee Related CN102474818B (zh)

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GB0912737.4 2009-07-22
GBGB0912737.4A GB0912737D0 (en) 2009-07-22 2009-07-22 A network arrangement of low powered monitored devices
PCT/EP2010/051014 WO2011009646A1 (en) 2009-07-22 2010-01-28 A network arrangement of low powered monitoring devices

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GB0912737D0 (en) 2009-08-26
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