WO2022095855A1 - Procédé, appareil et système de connexion, et dispositif électronique et support de stockage lisible par ordinateur - Google Patents

Procédé, appareil et système de connexion, et dispositif électronique et support de stockage lisible par ordinateur Download PDF

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Publication number
WO2022095855A1
WO2022095855A1 PCT/CN2021/128222 CN2021128222W WO2022095855A1 WO 2022095855 A1 WO2022095855 A1 WO 2022095855A1 CN 2021128222 W CN2021128222 W CN 2021128222W WO 2022095855 A1 WO2022095855 A1 WO 2022095855A1
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WIPO (PCT)
Prior art keywords
node
signal quality
quality evaluation
evaluation index
preset threshold
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PCT/CN2021/128222
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English (en)
Chinese (zh)
Inventor
池艳广
曹明明
王浩磊
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中兴通讯股份有限公司
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Publication of WO2022095855A1 publication Critical patent/WO2022095855A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • 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]
    • H04L12/2854—Wide area networks, e.g. public data networks
    • H04L12/2856—Access arrangements, e.g. Internet access
    • 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]
    • 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]
    • H04L12/2854—Wide area networks, e.g. public data networks
    • H04L12/2856—Access arrangements, e.g. Internet access
    • H04L12/2869—Operational details of access network equipments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information

Definitions

  • the embodiments of the present application relate to the field of communications, and in particular, to connection methods, apparatuses, and systems, electronic devices, and computer-readable storage media.
  • ONU optical network unit
  • STA Wireless Local Area Network
  • WLAN Wireless Local Area Network
  • the ONU accesses the Internet through the ONU's local area network (LAN, LocalAreaNetwork) interface.
  • LAN local area network
  • FIG. 2 The networking situation is shown in Figure 2. .
  • the actual physical distance between the ONU and the AP is generally relatively far, so as to make up for the insufficient coverage of the other party. Since the WLAN coverage of the ONU is insufficient, when the STA is far away from the ONU, the signal quality of the WLAN network connected by the STA is relatively poor, which is likely to cause complaints. At the same location, the signal quality of the AP may be relatively good, but due to the design mechanism of the STA itself, the ONU may not necessarily be abandoned and the AP will be associated.
  • Embodiments of the present application provide a connection method, apparatus, and system, an electronic device, and a computer-readable storage medium.
  • connection method including:
  • the first node monitors the first signal quality evaluation index of the third node
  • the first node When the first signal quality evaluation index of the third node is smaller than the first preset threshold, the first node triggers the third node to measure the second signal quality evaluation index for the second node;
  • the first node is disconnected from the third node.
  • an electronic device including:
  • a memory where at least one program is stored, and when the at least one program is executed by the at least one processor, any one of the above connection methods is implemented.
  • an embodiment of the present application provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, any one of the above connection methods is implemented.
  • an embodiment of the present application provides a first node, including:
  • a monitoring module configured to monitor the first signal quality evaluation index of the third node when the third node is connected to the first node;
  • a measurement triggering module configured to trigger the third node to measure the second signal quality evaluation index on the second node when the first signal quality evaluation index of the third node is smaller than the first preset threshold
  • the connection module is configured to disconnect from the third node when the difference between the second signal quality evaluation index and the first signal quality evaluation index is greater than the second preset threshold.
  • connection system including:
  • the first node for:
  • the third node In the case that the first signal quality evaluation index of the third node is smaller than the first preset threshold, triggering the third node to measure the second signal quality evaluation index for the second node;
  • the third node for:
  • FIG. 1 is a schematic diagram of a network in the related art in which a STA accesses the Internet through a WLAN hotspot provided by an ONU;
  • FIG. 2 is a schematic diagram of the networking of the AP accessing the Internet through the LAN port of the ONU in the related art
  • FIG. 3 is a flowchart of a connection method provided by an embodiment of the present application.
  • FIG. 4 is an interactive schematic diagram of a connection method provided by an example of an embodiment of the present application.
  • FIG. 5 is a block diagram of the composition of a first node provided by another embodiment of the present application.
  • FIG. 6 is a block diagram of a connection system provided by another embodiment of the present application.
  • WiFi Mesh wireless mesh network
  • WiFi Mesh also known as a "multi-hop" network
  • Mesh has several problems:
  • Mesh has relatively high software requirements for devices, and requires all devices participating in the networking to fully implement the Mesh protocol and the P1905 protocol;
  • connection method in the embodiment of the present application is proposed based on the home use scenario of the ONU, the connection method in the embodiment of the present application is also applicable to other application scenarios, and the specific application scenario is not used to limit the application.
  • the protection scope of the connection method of the embodiment can be applied to the following application scenarios: a first node (such as an ONU) is directly connected to the Internet, a second node (such as an AP) is connected to the first node through a wired connection to connect to the Internet, and a third node (such as a STA) is wirelessly connected to the Internet.
  • the first node or the second node is connected in a way to connect with the Internet.
  • the first node, the second node and the third node may be any kind of communication nodes. The following description will be made from the perspectives of the first node, the second node, and the third node.
  • the first signal quality evaluation index when the third node is connected to the first node and the second signal quality evaluation index when the third node is connected to the second node are measured, and the third node is connected to the second node.
  • the difference between the second signal quality evaluation index and the first signal quality evaluation index is greater than the second preset threshold, that is, when the signal quality provided by the first node is lower than the signal quality provided by the second node
  • the first node Disconnecting from the third node makes the first node no longer provide network connection services for the third node, and the third node searches for other network connections, so that connection switching can be achieved through simple measurement.
  • FIG. 3 is a flowchart of a connection method provided by an embodiment of the present application.
  • connection method including:
  • Step 300 In the case that a third node is connected to the first node, the first node monitors the first signal quality evaluation index of the third node.
  • the first signal quality evaluation index includes: Received Signal Strength Indication (RSSI, Received Signal Strength Indication).
  • RSSI Received Signal Strength Indication
  • the first signal quality evaluation index may also be other indicators used for evaluating signal quality, and the specific index is not used to limit the protection scope of the embodiment of the present application.
  • the first node may periodically monitor the first signal quality evaluation index of the third node, and may also periodically monitor the first signal quality evaluation index of the third node. What time interval is specifically used to monitor the first signal quality evaluation index of the third node is not used to limit the protection scope of the embodiments of the present application.
  • Step 301 When the first signal quality evaluation index of the third node is smaller than the first preset threshold, the first node triggers the third node to measure the second signal quality evaluation index for the second node.
  • the fact that the first signal quality evaluation index of the third node is smaller than the first preset threshold may mean that the first signal quality evaluation index of the third node is monitored to be smaller than the first preset threshold at a certain time, or it may It means that the first signal quality evaluation index of the third node is monitored several times in a row to be less than the first preset threshold, or it can be that the first signal quality evaluation index of the third node is monitored to be less than the first preset threshold within a certain period of time.
  • the form is not used to limit the protection scope of the embodiments of the present application.
  • the first signal quality evaluation index of the third node being less than the first preset threshold includes:
  • the RSSI in the first signal quality evaluation index of the third node is smaller than the first preset threshold.
  • the method before the first node regularly monitors the first signal quality evaluation index of the third node, the method further includes: the first node receives the WLAN information of the second node;
  • the first node triggering the third node to measure the second signal quality evaluation index on the second node includes: the first node triggering the third node to measure the second signal quality evaluation index for the second node according to the WLAN information.
  • receiving the WLAN information of the second node by the first node includes:
  • the first node receives a Dynamic Host Configuration Protocol (DHCP, Dynamic Host Configuration Protocol) discovery request sent by the second node; wherein the DHCP discovery request includes: an option 60 (option 60) attribute, and the option 60 attribute includes WLAN information.
  • DHCP Dynamic Host Configuration Protocol
  • the method before the first node receives the WLAN information of the second node, the method further includes:
  • the second node sends the WLAN information of the second node to the first node.
  • sending the WLAN information of the second node to the first node by the second node includes:
  • the second node sends a DHCP discovery request to the first node; wherein, the DHCP discovery request includes: an option 60 attribute, and the option 60 attribute includes WLAN information.
  • the WLAN information of the second node may be carried in other messages and sent.
  • This embodiment of the present application does not limit what message is used to transmit the WLAN information of the second node.
  • the embodiment of the present application emphasizes that The second node sends the WLAN information of the second node to the first node, so that when the first signal quality evaluation index of the third node is smaller than the first preset threshold, the first node triggers the third node to The two nodes measure the second signal quality evaluation index.
  • the method further includes:
  • the third node measures the second signal quality evaluation index on the second node under the trigger of the first node.
  • the WLAN information includes at least one of the following:
  • BSSID Basic service set identifier
  • SSID ServiceSetIdentifier
  • the WLAN information may also be other information, as long as the third node can measure the second node or the third node is connected to the second node.
  • the specific information included in the WLAN is not used to limit the protection scope of the embodiments of the present application.
  • the triggering of the first node by the third node to measure the second signal quality evaluation index on the second node includes:
  • the first node sends a measurement request to the third node; the first node receives the measurement response returned by the third node; wherein the measurement response includes: a second signal quality evaluation index.
  • the measurement request may include WLAN information
  • the third node measures the second signal quality evaluation index for the second node according to the WLAN information.
  • the measurement request may be an 11k measurement request
  • the measurement response may be an 11k measurement response
  • the measurement request and the measurement response may also be other measurement messages, and the specific message forms are not used to limit the protection of the embodiments of the present application scope.
  • the second signal quality evaluation index includes: RSSI.
  • the second signal quality evaluation index may also be other indicators used for evaluating signal quality, and the specific index is not used to limit the protection scope of the embodiment of the present application.
  • the first signal quality evaluation index of the third node when the first signal quality evaluation index of the third node is greater than or equal to the first preset threshold, continue to detect the first signal quality evaluation index.
  • Step 302 In the case that the difference between the second signal quality evaluation index and the first signal quality evaluation index is greater than a second preset threshold, disconnect the first node from the third node.
  • the difference between the second signal quality evaluation index and the first signal quality evaluation index being greater than the second preset threshold includes:
  • the difference between the RSSI in the second signal quality evaluation index and the RSSI in the first signal quality evaluation index is greater than the second preset threshold.
  • the method when the difference between the second signal quality evaluation index and the first signal quality evaluation index is greater than a second preset threshold, the method further includes:
  • the first node sends the WLAN information to the third node, so that the third node is connected to the second node according to the WLAN information.
  • the method when the difference between the second signal quality evaluation index and the first signal quality evaluation index is greater than a second preset threshold, the method further includes:
  • the first node pulls the third node into the blacklist within a preset time, so that the third node cannot connect to the first node within the preset time.
  • the first node may determine whether to send the WLAN information to the third node or to blacklist the third node within a preset time according to whether the third node supports 11v. Specifically, when the third node supports 11v, the first node sends the WLAN information to the third node, so that the third node connects to the second node according to the WLAN information; when the third node does not support 11v, the third node A node pulls the third node into the blacklist within a preset time, so that the third node cannot connect to the first node within the preset time, so that the first node will look for other connection methods.
  • the first node may also monitor the rate of the third node, and if the rate of the third node is less than or equal to a third preset threshold, perform the steps of any one of the preceding methods;
  • the first signal quality evaluation index when the third node is connected to the first node and the second signal quality evaluation index when the third node is connected to the second node are measured, and the third node is connected to the second node.
  • the difference between the second signal quality evaluation index and the first signal quality evaluation index is greater than the second preset threshold, that is, when the signal quality provided by the first node is lower than the signal quality provided by the second node
  • the first node Disconnecting from the third node makes the first node no longer provide network connection services for the third node, and the third node searches for other network connections, so that connection switching can be achieved through simple measurement.
  • connection method of the embodiment of the present application will be described in detail below by using a specific example.
  • the listed example is only for the convenience of description, and it should not be considered that the listed example is the only achievable way of the connection method of the embodiment of the present application. That is to say, the listed examples cannot be used to limit the protection scope of the embodiments of the present application.
  • the method includes:
  • the WLAN module on the AP reports the WLAN information such as BSSID, channel, and SSID name to the DHCP module on the local machine, which is mainly used to subsequently report the AP's WLAN information to the ONU through DHCP packets;
  • the DHCP module of the AP transmits the WLAN information (BSSID, channel, SSID name, etc.) of the AP to the DHCP module of the ONU through the option 60 field, and then the ONU can obtain the WLAN information of the AP;
  • the DHCP module of the ONU After the DHCP module of the ONU receives the DHCP message from the AP, it parses the option 60 field, extracts the WLAN information (BSSID, channel, SSID name, etc.) reported by the AP and reports it to the WLAN module of the ONU;
  • the WLAN module of the ONU After the WLAN module of the ONU receives the WLAN information of the AP sent by the DHCP module of the ONU, it records it for possible subsequent measurements;
  • the WLAN module of the ONU initiates periodic detection to detect whether there is STA access
  • step 6 will acquire the first signal quality evaluation index of the STA
  • the ONU obtains the first signal quality evaluation index of the STA, and mainly focuses on RSSI.
  • the ONU triggers the STA to perform 11k measurement on the AP, that is, the ONU sends a 11k measurement request to the STA; the 11k measurement request includes WLAN information; the STA performs 11k measurement on the AP. Measuring to obtain a second signal quality evaluation index; the STA returns a 11k measurement response to the ONU; wherein, the 11k measurement response includes: the second signal quality evaluation index; go to step 7;
  • first signal quality evaluation index is continuously greater than or equal to the first preset threshold, there is no next action, but periodic detection is continued.
  • the ONU will perform further processing according to whether the STA supports 11v:
  • the STA will be de-authenticated (DEAUTH) and blacklisted for a certain period of time;
  • BTM BSS Transition Management
  • BTM Request BSSTransitionManagement
  • the final STA will automatically associate with the AP.
  • an electronic device including:
  • a memory where at least one program is stored, and when the at least one program is executed by the at least one processor, any one of the above connection methods is implemented.
  • the processor is a device with data processing capability, which includes but is not limited to a central processing unit (CPU), etc.
  • the memory is a device with data storage capability, which includes but is not limited to random access memory (RAM, more specifically such as SDRAM) , DDR, etc.), read-only memory (ROM), charged erasable programmable read-only memory (EEPROM), flash memory (FLASH).
  • RAM random access memory
  • ROM read-only memory
  • EEPROM charged erasable programmable read-only memory
  • FLASH flash memory
  • the processor and memory are interconnected by a bus, which in turn is connected to other components of the computing device.
  • an embodiment of the present application provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, any one of the above connection methods is implemented.
  • FIG. 5 is a block diagram of the composition of a first node according to another embodiment of the present application.
  • a first node including:
  • a monitoring module 501 configured to monitor the first signal quality evaluation index of the third node when a third node is connected to the first node;
  • a measurement triggering module 502 configured to trigger the third node to measure the second signal quality evaluation index on the second node when the first signal quality evaluation index of the third node is smaller than the first preset threshold;
  • the connection module 503 is configured to disconnect from the third node when the difference between the second signal quality evaluation index and the first signal quality evaluation index is greater than the second preset threshold.
  • the measurement triggering module 502 is also used to:
  • connection module 503 is also used to:
  • the wireless local area network information is sent to the third node, so that the third node is connected to the second node according to the wireless local area network information.
  • the wireless local area network information includes at least one of the following:
  • connection module 503 is also used to:
  • the first node pulls the third node into the blacklist within a preset time, so that the third node cannot connect to the first node within the preset time.
  • the measurement triggering module 502 is specifically configured to trigger the third node to measure the second signal quality evaluation index on the second node in the following manner:
  • the first signal quality evaluation index includes: a received signal strength indication
  • the second signal quality evaluation index includes: received signal strength indication.
  • FIG. 6 is a block diagram of a connection system provided by another embodiment of the present application.
  • connection system including:
  • the first node 601 is used for:
  • the third node In the case that the first signal quality evaluation index of the third node is smaller than the first preset threshold, triggering the third node to measure the second signal quality evaluation index for the second node;
  • the third node 602 is used for:
  • the first node 601 is also used to:
  • the second node 603 is used for:
  • the third node 602 is specifically configured to measure the second signal quality evaluation index for the second node under the trigger of the first node in the following manner: under the trigger of the first node, perform the second Measurement of signal quality evaluation metrics.
  • the first node 601 is further configured to: send the wireless local area network information to the third node, so that the third node is connected to the second node according to the wireless local area network information.
  • the wireless local area network information includes at least one of the following:
  • the first node 601 is further configured to: pull the third node into the blacklist within a preset time, so that the third node cannot connect to the first node within the preset time.
  • the first node 601 is specifically configured to trigger the third node to measure the second signal quality evaluation index on the second node in the following manner:
  • the third node 602 is specifically configured to implement the measurement of the second signal quality evaluation index on the second node under the triggering of the first node in the following manner:
  • the first signal quality evaluation index includes: a received signal strength indication
  • the second signal quality evaluation index includes: received signal strength indication.
  • Such software may be distributed on computer-readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media).
  • computer storage media includes both volatile and nonvolatile implemented in any method or technology for storage of information, such as computer readable instructions, data structures, program modules or other data flexible, removable and non-removable media.
  • Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cartridges, magnetic tape, magnetic disk storage or other magnetic storage, or available with Any other medium that stores the desired information and can be accessed by a 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, as is well known to those of ordinary skill in the art .

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

Abstract

Un procédé, un appareil et un système de connexion, et un dispositif électronique et un support de stockage lisible par ordinateur sont divulgués. Le procédé de connexion fait appel aux étapes suivantes : lorsqu'il existe un troisième nœud connecté à un premier nœud, le premier nœud surveillant un premier indice d'évaluation de qualité de signal du troisième nœud ; lorsque le premier indice d'évaluation de qualité de signal du troisième nœud est inférieur à une première valeur seuil prédéfinie, le premier nœud déclenchant le troisième nœud afin de mesurer un second indice d'évaluation de qualité de signal d'un second nœud ; et lorsque la différence entre le second indice d'évaluation de qualité de signal et le premier indice d'évaluation de qualité de signal est supérieure à une seconde valeur seuil prédéfinie, le premier nœud étant déconnecté du troisième nœud.
PCT/CN2021/128222 2020-11-03 2021-11-02 Procédé, appareil et système de connexion, et dispositif électronique et support de stockage lisible par ordinateur WO2022095855A1 (fr)

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CN202011213042.5A CN114448741A (zh) 2020-11-03 2020-11-03 连接方法、装置和系统、电子设备、计算机可读存储介质

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CN106714244A (zh) * 2015-07-20 2017-05-24 小米科技有限责任公司 终端的无线接入方法、装置及终端
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