WO2021082848A1 - 实现多ap网络组网的方法及装置和无线接入点 - Google Patents

实现多ap网络组网的方法及装置和无线接入点 Download PDF

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WO2021082848A1
WO2021082848A1 PCT/CN2020/118517 CN2020118517W WO2021082848A1 WO 2021082848 A1 WO2021082848 A1 WO 2021082848A1 CN 2020118517 W CN2020118517 W CN 2020118517W WO 2021082848 A1 WO2021082848 A1 WO 2021082848A1
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level information
access
access channel
information
network
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PCT/CN2020/118517
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English (en)
French (fr)
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包勇
刘昕颖
鲁波
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南京中兴新软件有限责任公司
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Priority to EP20881876.5A priority Critical patent/EP4016934A4/en
Publication of WO2021082848A1 publication Critical patent/WO2021082848A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/12Discovery or management of network topologies
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2854Wide area networks, e.g. public data networks
    • H04L12/2856Access arrangements, e.g. Internet access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/04Network management architectures or arrangements
    • H04L41/044Network management architectures or arrangements comprising hierarchical management structures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08Configuration management of networks or network elements
    • H04L41/0803Configuration setting
    • H04L41/0823Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/10Active monitoring, e.g. heartbeat, ping or trace-route
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/02Resource partitioning among network components, e.g. reuse partitioning
    • H04W16/10Dynamic resource partitioning
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/02Arrangements for optimising operational condition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/56Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/563Allocation or scheduling criteria for wireless resources based on priority criteria of the wireless resources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/18Self-organising networks, e.g. ad-hoc networks or sensor networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices

Definitions

  • This application relates to, but is not limited to, wireless network technology, and in particular refers to a method and device for realizing multi-AP network networking and wireless access points.
  • Multi-AP Multi-AP
  • the embodiments of the present application provide a method and device for realizing multi-AP network networking, and wireless access points, which can improve the stability of multi-AP network networking.
  • the AP determines and accesses the AP according to its own default level information and the signal characteristic information of the target AP;
  • the AP judges the mutual influence between its own access channel and the return channel, and defers the obtained access channel level information.
  • the foregoing AP checks the level information of the target AP through a detection mechanism or a monitoring mechanism, and if the level information of the target AP is higher than the default level information of the AP itself, the target AP is used as a candidate AP;
  • the level information of the above-mentioned AP’s own access channel is the highest level of the system; if the above-mentioned AP is a sub-AP, the uplink AP of the AP is found according to the above-mentioned network topology information, and the AP’s return channel corresponds to the upper level.
  • the level information of the access channel of the associated AP determines the level information of the access channel of the AP itself.
  • the above-mentioned deferred processing of the obtained access channel level information includes:
  • the next level information of the level information of the access channel obtained above is taken as the level information of the access channel of the above-mentioned AP.
  • the obtained level information of the access channel of the AP itself is the level information of the access channel of the AP.
  • An embodiment of the present application also provides a computer-readable storage medium that stores computer-executable instructions, and the computer-executable instructions are used to execute any one of the foregoing methods for implementing a multi-AP network networking.
  • the embodiment of the present application further provides a device for implementing multi-AP network networking, including a processor and a memory; wherein a computer program that can run on the processor is stored in the memory: it is used to execute any one of the foregoing implementations. Steps of the method of multi-AP network networking.
  • the embodiment of the present application further provides a device for implementing multi-AP network networking, including: an access module, an acquisition module, and a processing module; wherein,
  • the access module is set to determine and access the AP according to its default level information and the signal characteristic information of the target AP;
  • the obtaining module is configured to obtain network topology information, and obtain the level information of the access channel of the above-mentioned device of the obtaining module according to the obtained network topology information;
  • the processing module is configured to determine the mutual influence between the access channel and the return channel of the device to which the processing module belongs, and perform deferred processing on the obtained access channel level information.
  • the above-mentioned acquisition module is specifically set as:
  • the level information of the access channel of the device to which the acquisition module belongs is the highest level of the system; if the device to which the acquisition module belongs is a sub-AP, find the upper level of the device to which the acquisition module belongs according to the network topology information. Connected AP, the level information of the access channel of the uplink AP corresponding to the backhaul channel of the device to which the acquisition module belongs determines the level information of the access channel of the device to which the acquisition module belongs.
  • the embodiment of the present application also provides an access point AP, including any one of the above-mentioned devices for implementing multi-AP network networking.
  • the embodiment of the application advances the network optimization process to the networking process, thereby suppressing the network oscillation caused by the optimized networking of the multi-AP network, and effectively prevents the loop formed in the AP networking process, and improves the multi-AP network The stability of the network. Moreover, in the embodiment of the present application, after the AP accesses the multi-AP network, the AP's hierarchical information is adjusted in time, and the AP to be accessed is provided with a preferred option.
  • Figure 1 is a schematic diagram of an embodiment of a multi-AP networking
  • FIG. 4 is a flowchart of a method for implementing multi-AP network networking according to an embodiment of the application
  • FIG. 1 is a schematic diagram of an embodiment of a multi-AP networking.
  • RootAP root AP
  • the RootAP can be a passive optical network (PON) gateway or a digital subscriber line (DSL) gateway that supports the AP function, or it can be a combination of an ordinary gateway connected to a router that supports the AP function through a wire; this embodiment Among them, AP1 accesses RootAP through Ethernet link, AP3 accesses AP1 through wireless link, and AP2 directly accesses RootAP through wireless link.
  • PON passive optical network
  • DSL digital subscriber line
  • AP1 accesses RootAP through Ethernet link
  • AP3 accesses AP1 through wireless link
  • AP2 directly accesses RootAP through wireless link.
  • Four APs form a multi-AP wireless network with a larger coverage area than a single AP.
  • an embodiment of the present application proposes a method for implementing multi-AP network networking, as shown in FIG. 4, which includes:
  • Step 400 The AP determines and accesses the AP according to its own default level information and the signal characteristic information of the target AP.
  • the AP can discover the surrounding APs through the detection mechanism, and find a target AP that matches the AP itself.
  • the matching conditions may include, for example, having the same service set identifier (SSID).
  • the default level information shows the default lowest level.
  • determining to access the AP and access in this step may include:
  • the AP will directly use the candidate AP as the access AP and access it; if there are multiple candidate APs, then the AP can optionally select according to the candidate AP’s signal strength (such as RSSI) and hierarchical information Go out and access the AP and access it.
  • signal strength such as RSSI
  • Step 401 The AP obtains network topology information, and obtains the level information of the AP's own access channel according to the obtained network topology information.
  • the AP may obtain the network topology information of the accessed network through a topology discovery mechanism.
  • obtaining the level information of the AP's own access channel according to the obtained network topology information in this step includes:
  • the level information of the AP’s own access channel is the highest level in the system; if the AP is a sub-AP, that is, there is a target AP whose level information is higher than the default level information of the AP itself, then, first according to the network
  • the topology information finds the uplink AP of the AP, and obtains the level information of the access channel of the uplink AP corresponding to the AP's backhaul channel.
  • the level information is the level information of the AP's own access channel.
  • this step may include:
  • the AP judges whether its own access channel and the return channel affect each other. If the access channel and the return channel are the same medium and affect each other, it indicates that there is an interaction.
  • An embodiment of the present application also provides a device for implementing multi-AP network networking, including a processor and a memory; wherein a computer program that can run on the processor is stored in the memory: The steps of the AP network networking method.
  • Figure 5 is a schematic diagram of an embodiment of implementing multi-AP network networking in an embodiment of the application.
  • RootAP for example, the maximum hierarchy is defined as N.
  • AP1 is directly connected to RootAP through the Ethernet link, then the level of the 2G and 5G access channels of AP1 is still N, and AP2 is connected to AP1 and AP2 through 5G.
  • FIG. 6 is a schematic diagram of the composition structure of an apparatus for implementing multi-AP network networking according to an embodiment of the application. As shown in FIG. 6, it at least includes: an access module, an acquisition module, and a processing module; wherein,
  • the obtaining module 604 is configured to obtain network topology information, and obtain the level information of the access channel of the above-mentioned device of the obtaining module according to the obtained network topology information;
  • the processing module 606 is configured to determine the mutual influence between the access channel and the return channel of the device to which the processing module belongs, and perform deferred processing on the obtained level information of the access channel.
  • the access module is specifically set as:
  • the detection mechanism or monitoring mechanism check the level information of the target AP, such as checking the level information in the probe response message of the target AP or directly monitoring the beacon message of the target AP to obtain the level information; if the level of the target AP If the information is higher than the default level information of the aforementioned devices of the access module, the target AP is used as a candidate AP;
  • the AP will directly use the candidate AP as the access AP and access it; if there are multiple candidate APs, then the candidate AP’s signal characteristic information such as signal strength (such as RSSI, etc.) and layer information will be selected Go out and access the AP and access it.
  • signal characteristic information such as signal strength (such as RSSI, etc.) and layer information will be selected Go out and access the AP and access it.
  • the acquisition module is specifically set to:
  • the level information of the access channel of the device to which the acquiring module belongs is the highest level of the system; if the device to which the acquiring module belongs is a sub-AP, the target AP has level information higher than the default level of the device to which the acquiring module belongs The target AP of the information, then, first find the uplink AP of the device to which the acquisition module belongs according to the network topology information, and obtain the level information of the access channel of the uplink AP corresponding to the backhaul channel of the device to which the acquisition module belongs. Level information of the access channel of the device.
  • the processing module is specifically set to:
  • the device to which the processing module belongs determines whether its own access channel and the return channel affect each other. If the access channel and the return channel are the same medium and affect each other, it indicates that there is an interaction.
  • the original level information can be used directly to obtain the level information of the access channel obtained in the module; if the device to which the processing module belongs The access channel and the return channel affect each other, then the original level information is used to obtain the next level information of the access channel level information obtained in the module.
  • An embodiment of the present application also provides an AP, which includes any one of the above-mentioned devices for realizing multi-AP network networking.
  • the network shock caused by the optimization of the multi-AP network is suppressed, and the loop formed in the AP networking process is effectively prevented, and the multi-AP network networking is improved. stability.
  • the AP's hierarchical information is adjusted in time to provide the best option for the AP to be accessed.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Cardiology (AREA)
  • General Health & Medical Sciences (AREA)
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Abstract

本申请实施例提供了一种实现多AP网络组网的方法及装置和无线接入点,本申请实施例将网络优化过程提前到了组网过程中,进而抑制了多AP网络由于优化组网引起的组网震荡,并且有效防止了AP组网过程中形成的环路,提高了多AP网络组网的稳定性。

Description

实现多AP网络组网的方法及装置和无线接入点 技术领域
本申请涉及但不限于无线网络技术,尤指一种实现多AP网络组网的方法及装置和无线接入点。
背景技术
随着移动终端的普及,用户对接入点(AP,Access Point)的信号覆盖以及AP间的漫游时隙要求越来越高。在此基础上,多AP(Multi-AP)技术也得到了很大程度的发展。
AP间的组网方式有多种,从成本和兼容性考虑,目前,利用室内已有的以太网和AP自身的无线信号组网最为常见。使用无线方式进行组网虽然比较灵活,但是,组网后针对网络的优化容易引起网络的震荡,在重新组网过程中也可能由于形成环路而导致整个网络不可用;而且,对于回传通道和覆盖通道同频段的情况,会占用覆盖网络的带宽,从而影响了网络的传输效率,进而降低了多AP网络组网的稳定性。
发明内容
本申请实施例提供一种实现多AP网络组网的方法及装置和无线接入点,能够提高多AP网络组网的稳定性。
本申请实施例提供了一种实现多接入点AP网络组网的方法,包括:
AP根据自身默认层级信息及目标AP的信号特征信息确定接入AP并接入;
AP获取网络拓扑信息,并根据获得的网络拓扑信息获取AP自身的接入通道的层级信息;
AP判断出自身的接入通道与回传通道之间相互影响,对获得的接入通道的层级信息进行递延处理。
在一种示例性实例中,上述信号特征信息包括信号强度;上述确定接入AP并接入包括:
上述AP通过探测机制或监听机制,检查上述目标AP的层级信息,如果上述目标AP的层级信息高于上述AP自身默认层级信息,将该目标AP作为候选AP;
如果只有一个候选AP,上述AP将该候选AP作为上述接入AP并接入;如果有多个候选AP,上述AP根据候选AP的信号强度和层级信息选择出上述接入AP并接入。
在一种示例性实例中,上述根据获得的网络拓扑信息获取AP自身的接入通道的层级信息,包括:
如果上述AP自身是根AP,上述AP自身的接入通道的层级信息为***最高层级;如果上述AP是子AP,根据上述网络拓扑信息找到该AP的上联AP,该AP回传通道对应上联AP的接入通道的层级信息决定上述AP自身的接入通道的层级信息。
在一种示例性实例中,上述对获得的接入通道的层级信息进行递延处理,包括:
将上述获得的接入通道的层级信息的下一层级信息作为上述AP的接入通道的层级信息。
在一种示例性实例中,如果上述AP的接入通道和回传通道互不影响,获得的上述AP自身的接入通道的层级信息为上述AP的接入通道的层级信息。
本申请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,上述计算机可执行指令用于执行上述任一项上述的实现多AP网络组网的方法。
本申请实施例又提供了一种实现多AP网络组网的装置,包括处理器、存储器;其中,存储器上存储有可在处理器上运行的计算机程序:用于执行上述任一项上述的实现多AP网络组网的方法的步骤。
本申请实施例再提供了一种实现多AP网络组网的装置,包括:接入模块、获取模块、处理模块;其中,
接入模块,被设置为根据自身默认层级信息及目标AP的信号特征信息确定接入AP并接入;
获取模块,被设置为获取网络拓扑信息,并根据获得的网络拓扑信息获取获取模块上述装置自身的接入通道的层级信息;
处理模块,被设置为判断出处理模块所属装置的接入通道与回传通道之间相互影响,对获得的接入通道的层级信息进行递延处理。
在一种示例性实例中,上述获取模块具体被设置为:
如果上述获取模块所属装置是根AP,上述获取模块所属装置的接入通道的层级信息为***最高层级;如果上述获取模块所属装置是子AP,根据上述网络拓扑信息找到上述获取模块所属装置的上联AP,上述获取模块所属装置的回传通道对应上联AP的接入通道的层级信息决定上述获取模块所属装置的接入通道的层级信息。
本申请实施例还提供了一种接入点AP,包括上述任一项上述的实现多AP网络组网的装置。
本申请实施例将网络优化过程提前到了组网过程中,进而抑制了多AP网络由于优化组网引起的组网震荡,并且有效防止了AP组网过程中形成的环路,提高了多AP网络组网的稳定性。而且,本申请实施例在AP接入多AP网络后,及时对AP的层级信息进行了调整,给待接入的AP提供了择优选择项。
本申请实施例的其它特征和优点将在随后的说明书中阐述,并且,部分地从说明书中变得显而易见,或者通过实施本申请而了解。本申请的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
附图说明
附图用来提供对本申请技术方案的进一步理解,并且构成说明书的一部分,与本申请的实施例一起用于解释本申请的技术方案,并不构成对本申请技术方案的限制。
图1为多AP组网的实施例示意图;
图2为多AP组网内采用无线回传方式组网的实施例的示意图;
图3为多AP网络中出现重新组网的实施例的示意图;
图4为本申请实施例实现多AP网络组网的方法的流程图;
图5为本申请实施例实现多AP网络组网的实施例示意图;
图6为本申请实施例实现多AP网络组网的装置的组成结构示意图。
具体实施方式
在本申请实施例一个典型的配置中,计算设备包括一个或多个处理器(CPU)、输入/输出接口、网络接口和内存。
内存可能包括计算机可读介质中的非永久性存储器,随机存取存储器(RAM)和/或非易失性内存等形式,如只读存储器(ROM)或闪存(flash RAM)。内存是计算机可读介质的示例。
计算机可读介质包括永久性和非永久性、可移动和非可移动媒体可以由任何方法或技术来实现信息存储。信息可以是计算机可读指令、数据结构、程序的模块或其他数据。计算机的存储介质的例子包括,但不限于相变内存(PRAM)、静态随机存取存储器(SRAM)、动态随机存取存储器(DRAM)、其他类型的随机存取存储器(RAM)、只读存储器(ROM)、电可擦除可编程只读存储器(EEPROM)、快闪记忆体或其他内存技术、只读光盘只读存储器(CD-ROM)、数字多功能光盘(DVD)或其他光学存储、磁盒式磁带,磁带磁盘存储或其他磁 性存储设备或任何其他非传输介质,可用于存储可以被计算设备访问的信息。按照本申请实施例中的界定,计算机可读介质不包括非暂存电脑可读媒体(transitory media),如调制的数据信号和载波。
为使本申请实施例的目的、技术方案和优点更加清楚明白,下文中将结合附图对本申请的实施例进行详细说明。需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互任意组合。
图1为多AP组网的实施例示意图,如图1所示,假设有一个根AP(RootAP)可以接入广域网(WAN)网络。其中,RootAP可以是一个支持AP功能的无源光网络(PON)网关或数字用户线(DSL)网关,也可以是一个普通的网关通过有线连接一台支持AP功能的路由器的组合;本实施例中,AP1通过以太链路接入RootAP,AP3通过无线链路接入AP1,而AP2通过无线链路直接接入RootAP,四个AP组成一个比单个AP覆盖面积大的多AP无线网络。图1仅以较常见的组网方式为例,并不用于限定实际多AP的组网方式。图2展示了多AP组网内采用无线回传方式组网的实施例的示意图,图2所示实施例中,RootAP包含覆盖模块(Fronthaul AP),以提供覆盖网络;AP1和AP2均包含回传模块(Backhaul STA)和覆盖模块,其中,覆盖模块和RootAP中的覆盖模块作用相同,且为了方便STA漫游,网络名称通常设置为与RootAP一致;回传模块负责接入RootAP的覆盖模块以传回本AP覆盖网络的数据。回传模块和覆盖模块可以使用相同或不同的无线频段。
相关协议中定义了AP的beacon宣告机制和站点(STA,Station)发现周围AP的探测机制,也就是说,AP会周期性的在beacon报文中宣称自己的各项能力;而STA会通过主动发送probe_request报文并接收AP回应的probe_response报文或直接监听AP的beacon报文来完成对周围AP的探测。相关协议中还定义了拓扑发现机制,AP通过拓扑发现机制可以发现多AP网络中其他支持1905协议的设备,包括设备各接口的类型。
如图2中所示,AP1和AP2分别接入RootAP的覆盖模块,并分别启动了自己的覆盖模块供STA接入。在某些场景下,比如:RootAP切换信道或者意外关闭了覆盖模块等,按照相关技术,如图3所示,AP1的回传模块在自动关联机制下会重新接入AP2的覆盖网络,同理,AP2的回传模块也会接入AP1的覆盖网络,这样则会形成回环,进而导致网络风暴。这里仅仅是一个简单的例子,实际组网更为复杂,可能出现两个以上AP串成环路或夹杂有线回传AP组成环路的情况。
为此,本申请实施例提出一种实现多AP网络组网的方法,如图4所示,包括:
步骤400:AP根据自身默认层级信息及目标AP的信号特征信息确定接入AP并接入。
本步骤之前还包括:
AP可以通过探测机制发现周围AP,并找到与AP自身匹配的目标AP,匹配的条件可以包括如:具有相同的服务集标识(SSID)。
其中,默认层级信息显示了默认的最低层级。
在一种示例性实例中,以信号特征信息包括信号强度为例,本步骤中的确定接入AP并接入,可以包括:
AP通过探测机制或监听机制,检查上述目标AP的层级信息,比如:检查目标AP回应的probe response报文中的层级信息或者直接监听目标AP的beacon报文以获取其中的层级信息;如果目标AP的层级信息高于AP自身默认层级信息,则将该目标AP作为候选AP;
如果只有一个候选AP,那么,AP直接将该候选AP作为接入AP并接入;如果有多个候选AP,那么,AP可以可选地根据候选AP的信号强度(比如RSSI)和层级信息选择出接入AP并接入。
在一种示例性实例中,在可选地根据候选AP的信号强度(比如RSSI)和层级信息选择接入AP时,可以通过对信号强度和层级信息设置的权重来考虑这两个因素。
在一种示例性实例中,如果没有候选AP,则继续扫描当前的网络。
步骤401:AP获取网络拓扑信息,并根据获得的网络拓扑信息获取AP自身的接入通道的层级信息。
在一种示例性实例中,AP可以通过拓扑发现机制获取接入的网络的网络拓扑信息。
在一种示例性实例中,本步骤中的根据获得的网络拓扑信息获取AP自身的接入通道的层级信息,包括:
如果AP自身是RootAP,那么,AP自身的接入通道的层级信息为***最高层级;如果AP是子AP即目标AP中存在层级信息高于AP自身默认层级信息的目标AP,那么,首先根据网络拓扑信息找到该AP的上联AP,获取该AP回传通道对应上联AP的接入通道的层级信息,该层级信息为AP自身的接入通道的层级信息。
步骤402:AP判断出自身的接入通道与回传通道之间相互影响,对获得的接入通道的层级信息进行递延处理。
在一种示例性实例中,本步骤可以包括:
AP判断自身的接入通道与回传通道之间是否相互影响,如果其接入通道和回传通道是同 一媒介且相互影响,表明存在相互影响。
如果该AP的接入通道和回传通道互不影响,比如对于有线通道,那么,直接使用原来的层级信息即步骤401中获得的接入通道的层级信息即可;如果该AP的接入通道和回传通道相互影响,那么,使用原来的层级信息即步骤401中获得的接入通道的层级信息的下一层级信息。
本申请实施例将网络优化过程提前到了组网过程中,进而抑制了多AP网络由于优化组网引起的组网震荡,并且有效防止了AP组网过程中形成的环路,提高了多AP网络组网的稳定性。而且,本申请实施例在AP接入多AP网络后,及时对AP的层级信息进行了调整,给待接入的AP提供了择优选择项。
在一种示例性实例中,本申请实施例还包括:
AP通过beacon宣告机制,宣告自身的层级信息。
本申请实施例还提供一种计算机可读存储介质,存储有计算机可执行指令,上述计算机可执行指令用于执行上述任一项上述的实现多AP网络组网的方法。
本申请实施例还提供一种实现多AP网络组网的装置,包括处理器、存储器;其中,存储器上存储有可在处理器上运行的计算机程序:用于执行上述任一项上述的实现多AP网络组网的方法的步骤。
图5为本申请实施例实现多AP网络组网的实施例示意图,如图5所示,本实施例中,假设通过RootAP控制无线网络总的层级深度,比如定义最大层级为N。那么,根据本申请实施例实现多AP组网的方法,AP1通过以太链路直连RootAP,那么,AP1的2G和5G接入通道的层级仍然是N,而AP2通过5G接入AP1,AP2的5G的接入通道层级为(N-1),AP2的2G的接入通道层级为N;AP3通过5G回传链路接入RootAP,AP3的5G接入通道层级为(N-1);AP4也通过5G回传链路接入AP3,AP4的5G接入通道层级为(N-2)。
图6为本申请实施例实现多AP网络组网的装置的组成结构示意图,如图6所示,至少包括:接入模块、获取模块、处理模块;其中,
接入模块602,被设置为根据自身默认层级信息及目标AP的信号特征信息确定接入AP并接入;
获取模块604,被设置为获取网络拓扑信息,并根据获得的网络拓扑信息获取获取模块上述装置自身的接入通道的层级信息;
处理模块606,被设置为判断出处理模块所属装置的接入通道与回传通道之间相互影响, 对获得的接入通道的层级信息进行递延处理。
在一种示例性实例中,接入模块具体被设置为:
通过探测机制或监听机制,检查上述目标AP的层级信息,比如检查目标AP回应的probe response报文中的层级信息或者直接监听目标AP的beacon报文以获取其中的层级信息;如果目标AP的层级信息高于接入模块上述装置的默认层级信息,则将该目标AP作为候选AP;
如果只有一个候选AP,那么,AP直接将该候选AP作为接入AP并接入;如果有多个候选AP,那么,根据候选AP的信号特征信息如信号强度(比如RSSI等)和层级信息选择出接入AP并接入。
在一种示例性实例中,获取模块具体被设置为:
如果获取模块所属装置是RootAP,那么,获取模块所属装置的接入通道的层级信息为***最高层级;如果获取模块所属装置是子AP即目标AP中存在层级信息高于获取模块所属装置的默认层级信息的目标AP,那么,首先根据网络拓扑信息找到获取模块所属装置的上联AP,获取获取模块所属装置的回传通道对应上联AP的接入通道的层级信息,该层级信息为获取模块所属装置的接入通道的层级信息。
在一种示例性实例中,处理模块具体被设置为:
处理模块所属装置判断自身的接入通道与回传通道之间是否相互影响,如果其接入通道和回传通道是同一媒介且相互影响,则表明存在相互影响。
如果处理模块所属装置的接入通道和回传通道互不影响,比如对于有线通道,那么,直接使用原来的层级信息即获取模块中获得的接入通道的层级信息即可;如果处理模块所属装置的接入通道和回传通道相互影响,那么,使用原来的层级信息即获取模块中获得的接入通道的层级信息的下一层级信息。
本申请实施例还提供一种AP,包括上述任一项上述的实现多AP网络组网的装置。
以上所述,仅为本申请实施例的较佳实例而已,并非用于限定本申请的保护范围。凡在本申请实施例的精神和原则之内,所做的任何修改、等同替换、改进等,均应包含在本申请的保护范围之内。
工业实用性
通过将网络优化过程提前到组网过程中,进而抑制了多AP网络由于优化组网引起的组网震荡,并且有效防止了AP组网过程中形成的环路,提高了多AP网络组网的稳定性。而且, 在AP接入多AP网络后,及时对AP的层级信息进行了调整,给待接入的AP提供了择优选择项。

Claims (10)

  1. 一种实现多接入点AP网络组网的方法,包括:
    AP根据自身默认层级信息及目标AP的信号特征信息确定接入AP并接入;
    AP获取网络拓扑信息,并根据获得的网络拓扑信息获取AP自身的接入通道的层级信息;
    AP判断出自身的接入通道与回传通道之间相互影响,对获得的接入通道的层级信息进行递延处理。
  2. 根据权利要求1所述的方法,其中,所述信号特征信息包括信号强度;所述确定接入AP并接入包括:
    所述AP通过探测机制或监听机制,检查所述目标AP的层级信息,如果所述目标AP的层级信息高于所述AP自身默认层级信息,将该目标AP作为候选AP;
    如果只有一个候选AP,所述AP将该候选AP作为所述接入AP并接入;如果有多个候选AP,所述AP根据候选AP的信号强度和层级信息选择出所述接入AP并接入。
  3. 根据权利要求1所述的方法,其中,所述根据获得的网络拓扑信息获取AP自身的接入通道的层级信息,包括:
    如果所述AP自身是根AP,所述AP自身的接入通道的层级信息为***最高层级;如果所述AP是子AP,根据所述网络拓扑信息找到该AP的上联AP,该AP回传通道对应上联AP的接入通道的层级信息决定所述AP自身的接入通道的层级信息。
  4. 根据权利要求1所述的方法,其中,所述对获得的接入通道的层级信息进行递延处理,包括:
    将所述获得的接入通道的层级信息的下一层级信息作为所述AP的接入通道的层级信息。
  5. 根据权利要求1所述的方法,如果所述AP的接入通道和回传通道互不影响,获得的所述AP自身的接入通道的层级信息为所述AP的接入通道的层级信息。
  6. 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用于执行权利要求1~权利要求5任一项所述的实现多AP网络组网的方法。
  7. 一种实现多AP网络组网的装置,包括处理器、存储器;其中,存储器上存储有可在处理器上运行的计算机程序:被设置为执行权利要求1~权利要求5任一项所述的实现多AP网络组网的方法的步骤。
  8. 一种实现多AP网络组网的装置,包括:接入模块、获取模块、处理模块;其中,
    接入模块,被设置为根据自身默认层级信息及目标AP的信号特征信息确定接入AP并接入;
    获取模块,被设置为获取网络拓扑信息,并根据获得的网络拓扑信息获取获取模块所述装置自身的接入通道的层级信息;
    处理模块,被设置为判断出处理模块所属装置的接入通道与回传通道之间相互影响,对获得的接入通道的层级信息进行递延处理。
  9. 根据权利要求8所述的装置,其中,所述获取模块具体被设置为:
    如果所述获取模块所属装置是根AP,所述获取模块所属装置的接入通道的层级信息为***最高层级;如果所述获取模块所属装置是子AP,根据所述网络拓扑信息找到所述获取模块所属装置的上联AP,所述获取模块所属装置的回传通道对应上联AP的接入通道的层级信息决定所述获取模块所属装置的接入通道的层级信息。
  10. 一种接入点AP,包括权利要求8~9任一项所述的装置。
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