CN111669753A - WLAN network connection method and electronic equipment - Google Patents

WLAN network connection method and electronic equipment Download PDF

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Publication number
CN111669753A
CN111669753A CN202010426850.3A CN202010426850A CN111669753A CN 111669753 A CN111669753 A CN 111669753A CN 202010426850 A CN202010426850 A CN 202010426850A CN 111669753 A CN111669753 A CN 111669753A
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equipment
sta
sta equipment
accessed
current
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CN202010426850.3A
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Chinese (zh)
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瞿卫红
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Shanghai Xinxiu Microelectronics Technology Co.,Ltd.
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Wuhan Lingxin Intelligent Technology Co ltd
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Priority to CN202010426850.3A priority Critical patent/CN111669753A/en
Publication of CN111669753A publication Critical patent/CN111669753A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • 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
    • 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
    • H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
    • H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
    • 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)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a WLAN network connection method and electronic equipment, wherein the method comprises the following steps: after the first network connection between the STA equipment and the AP equipment is established, storing the basic communication parameters of the STA equipment; and performing identity authentication on the accessed STA equipment to ensure that the STA equipment is continuously and effectively in the current AP signal coverage range, wherein the identity authentication is performed on the STA equipment at least according to the communication parameters, the connection state or the data packet of the STA equipment. By the scheme, the problem of equipment source consumption caused by repeated safety authentication and timed connection maintenance in the existing WLAN communication connection is solved, the STA equipment is continuously and effectively in the current AP signal coverage range, and the equipment energy consumption is reduced.

Description

WLAN network connection method and electronic equipment
Technical Field
The present invention relates to the field of communications, and in particular, to a WLAM network connection method and an electronic device.
Background
In wlan (wireless Local Area network) communication connection, generally, an STA and an AP cannot directly communicate with each other, and to communicate with each other, the STA first needs to search AP information of all surrounding channels, then compares the AP information with network names of APs already held in the STA, and if an AP with the same name is found, starts a networking process with the AP. In the process of starting the secure connection between the STA and the AP, the STA firstly initiates an authentication request (authentication request), the AP judges according to the protocol, and if the authentication request passes, an authentication response frame (authentication response) is returned to inform the STA of carrying out the next step. The STA then initiates an association Request (association Request), and the AP determines according to the protocol that if it passes, it will return an association response frame (association response) to notify the STA of the association ID number. The STA then starts 4 times of handshake protocol (4-way handshake) key negotiation with the AP for unicast communication using the maintained password, and after 4 data frame interactions, the STA can communicate with the AP for unicast data frames. After successful completion, the STA immediately starts a multicast Key negotiation (Group Key handing) process to perform Key negotiation of multicast data communication. Upon completion of this step, the STA and AP may begin communication.
After the wireless device is successfully connected, the wireless device needs to maintain regular data interaction with the router to ensure that the AP knows that the STA is still in a connected state, usually, the STA sends a Null data frame to notify the AP, and the time interval for sending the Null frame differs according to the AP, and some APs may require sending within 10 seconds. If the STA does not send a NULL frame within a specified time, the AP will consider that the STA has left the network and then the AP will delete STA related information, such as association _ id, password generated by four-way handshake, etc. The next time the STA needs to communicate, it must re-engage in a networking procedure with the AP. The case that the AP considers that the STA is not in the network and needs to be removed includes, but is not limited to, when the AP initiates the multicast key update and does not receive the reply of the STA; in addition, the STA may actively disconnect from the AP under certain conditions, causing the AP to delete STA-related information. If the STA does not receive the Beacon frame of the AP within a period of time, according to the current technical definition, the STA may consider that the AP has stopped working, and may send a Deauth frame and disconnect the AP.
In the current WLAN (i.e. 802.11 protocol) definition process, it is necessary to ensure the security authentication of the access device, but in some specific scenarios, such as industrial manufacturing application scenarios, the WiFi device is usually in a fixed position and does not exceed the plant area, the security of the access device can be confirmed after one security authentication, if the same networking step is performed for each access, and subsequently, in order to ensure smooth communication with the AP, the access device needs to be awakened regularly to send a NULL frame to maintain the network connection state, which may cause energy consumption, and for some sensors powered by batteries, the influence is more obvious.
Disclosure of Invention
In view of this, embodiments of the present invention provide a WLAN network connection method and an electronic device, so as to solve the problem of device source consumption caused by repeated security authentication and regular connection maintenance in the existing WLAN communication connection.
In a first aspect of the embodiments of the present invention, a WLAN network connection method is provided, including:
after the first network connection between the STA equipment and the AP equipment is established, storing the basic communication parameters of the STA equipment;
and performing identity authentication on the accessed STA equipment to ensure that the STA equipment is continuously and effectively in the current AP signal coverage range, wherein the identity authentication is performed on the STA equipment at least according to the communication parameters, the connection state or the data packet of the STA equipment.
In a second aspect of embodiments of the present invention, there is provided an electronic device, including:
the connection module is used for storing the basic communication parameters of the STA equipment after the first network connection between the STA equipment and the AP equipment is established;
and the authentication module is used for performing identity authentication on the accessed STA equipment so that the STA equipment is continuously and effectively in the current AP signal coverage range, wherein the identity authentication is performed on the STA equipment at least according to the communication parameters, the connection state or the data packet of the STA equipment.
In a third aspect of the embodiments of the present invention, there is provided an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the computer program to implement the steps of the method according to the first aspect of the embodiments of the present invention.
In the embodiment of the invention, after the first network connection between the STA equipment and the AP equipment is established, the basic communication parameters of the STA equipment are stored, and the identity authentication is carried out on the accessed STA equipment, so that the STA equipment is continuously and effectively in the current AP signal coverage range, and the identity authentication can be carried out on the STA equipment according to the communication parameters, the connection state or the data packet of the STA equipment, so that the effective authentication of the STA identity is carried out on the STA after the STA equipment is connected with the AP equipment for the first time by the AP, the electric energy consumption of the equipment in the processes of subsequent disconnection and reconnection, timed sending of a NULL frame to confirm the connection, receiving of a Beacon frame of the AP and the like is avoided, the problems of equipment source consumption caused by repeated safety authentication and timed connection maintenance in WLAN communication connection are solved, the operations of repeated networking steps, confirmation of whether the network is in the connection state and the like are not needed after the first confirmation, the power consumption of the wireless access equipment is reduced, the networking process is simplified, and the smoothness of the network is effectively guaranteed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart illustrating a WLAN network connection method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electronic device for WLAN network connection according to an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons skilled in the art without any inventive work shall fall within the protection scope of the present invention, and the principle and features of the present invention shall be described below with reference to the accompanying drawings.
The terms "comprises" and "comprising," when used in this specification and claims, and in the accompanying drawings and figures, are intended to cover non-exclusive inclusions, such that a process, method or system, or apparatus that comprises a list of steps or elements is not limited to the listed steps or elements.
Referring to fig. 1, fig. 1 is a schematic flow chart of a WLAN network connection method according to an embodiment of the present invention, including:
s101, after the first network connection between the STA equipment and the AP equipment is established, the AP equipment stores the basic communication parameters of the STA equipment;
the sta (station) device generally refers to a station device in the WLAN, such as a computer equipped with a wireless network card, an industrial device with a WiFi communication function, and the AP device (Access Point) is a device that wirelessly accesses the Access Point, such as a wireless router, a wireless gateway, a wireless base station, and the like.
Based on the WLAN communication protocol 802.11, generally, authentication, association, four-way handshake and key agreement are required in the connection process between the STA device and the AP device.
In one embodiment, after the STA device and the AP device are connected to each other via a network for the first time, the STA device stores basic communication parameters corresponding to the AP device, including an association ID, a communication key, an MAC address of the AP, a channel, a rate, and other parameters that satisfy the 802.11 communication protocol, so as to ensure that the data is not lost even after the STA is restarted. After the power-off restart or when the STA is awakened from the sleep state and needs to transmit data, the STA can directly transmit data by using parameters such as a held key, an MAC address, a channel and the like.
When the STA device disconnects (e.g., stops sending Deauth and Disassoc frames), the connection parameters are changed or the AP device parameters are modified, the AP device save information needs to be updated, the connection is reconfigured, and the identity information is authenticated.
S102, performing identity authentication on the accessed STA equipment to enable the STA equipment to be continuously and effectively in the current AP signal coverage range, wherein the identity authentication is performed on the STA equipment at least according to communication parameters, connection states or data packets of the STA equipment.
After the STA device and the AP device are connected for the first time, when the STA device needs to be reconnected due to reasons such as a restart disconnection or non-transmission of a NULL frame, the STA device can directly establish the connection between the AP and the STA according to the identity authentication of the STA device by the AP device, and specifically, the identity authentication of the STA device is realized based on communication parameters when the STA initiates reconnection, a historical connection state of the STA device, or a specially-defined data packet transmitted by the STA.
In one embodiment of the invention, the communication parameters of the selected STA equipment are stored in a Flash memory on the AP equipment; judging whether the accessed STA equipment is credible or not by comparing the MAC address of the accessed STA equipment with the MAC address stored on the Flash memory; and if the STA equipment is credible, skipping the judgment of the networking state of the STA equipment, and directly calling an encryption key prestored in the AP equipment to decrypt the communication data. The networking state refers to a networking authentication process of connection between the STA equipment and the current AP equipment.
And when the AP equipment software is developed, reserving a configuration page with an identity authentication function on a configuration webpage of the AP. In the using process, a user sets the identity authentication function to be started or not to be started in the login configuration page, and then the wireless communication parameters of the specific STA equipment are determined to be stored. When the user starts the identity authentication function, the corresponding software on the AP equipment stores the selected parameters of the STA equipment after networking into a Flash memory according to the selection of the user. In the subsequent networking process, the AP equipment software system compares the MAC address in the received STA communication data with the MAC address of the STA list stored in the Flash memory, if the MAC address of the corresponding STA equipment exists in the STA list in the Flash memory, the STA equipment corresponding to the MAC address is determined to be credible, the judgment of the networking state of the MAC address is skipped (namely when the MAC address is successfully networked according to the standard wireless communication protocol, the data of the STA which is not successfully networked is discarded), and then the pre-stored encryption and decryption secret key is directly called to decrypt the data.
In one embodiment of the invention, the distance between the STA equipment and the AP equipment is calculated by calculating the strength of signals received by the AP equipment; and when the STA equipment is detected to have no change in distance within a preset time interval, judging the STA equipment as the trusted equipment, skipping the judgment of the networking state of the STA equipment, and directly calling an encryption key prestored in the AP equipment to decrypt the communication data.
Analyzing which ones remain in a long connection state for the accessed STA device,
the signal strength of data transmitted by an access device in a WLAN network decreases with distance, and the approximate distance is calculated by calculating the received signal strength of data transmitted by the connected device. The software system of the AP device may calculate the distance between the STA device and the AP device by continuously collecting the signal strength of the data sent by the STA device after successful networking. After statistics of a predetermined time interval, if the distance of the STA device is always constant within a certain range, the STA device may be considered as a fixed device in a certain area, such as a local plant, and set as a trusted device. The AP updates the communication parameters of the STA equipment after networking each time and encrypts and decrypts the data transmitted by the STA equipment by using the stored parameters (including the secret key) without judging whether the STA equipment is networked or not.
In an embodiment of the present invention, the STA device sends a data packet defined according to a predetermined rule, and after receiving the data packet, the AP device replies with a data packet defined according to the predetermined rule to notify whether the STA device is set as a trusted device.
A set of protocols can be defined between the STA and the AP for interaction, after networking is successful, the STA equipment sends a communication packet with a specific definition to inform the AP equipment, the STA is fixed equipment in a certain area, for example, the STA equipment is added to a trusted equipment list in the range of the STA, after the AP receives the communication packet with the specific definition, a communication packet is replied according to the communication protocol corresponding to the specific definition to inform the STA equipment, and whether the AP receives the STA equipment as the trusted equipment or not is judged. If so, the STA does not need to carry out networking during subsequent communication connection and can transmit and receive data through the AP. If not, the AP refuses to add the STA to the trusted list, and the STA continues to use the 802.11 protocol standard flow for networking and communication in subsequent communication.
In this embodiment, the STA device is authenticated according to the communication parameters, the device connection state, or the specifically defined data packet stored after the STA device is connected for the first time, thereby avoiding the need to perform authentication again when reconnecting, avoiding the need to frequently send data frames to maintain connection, simplifying the wireless connection process in a specific area range, ensuring that the STA device is continuously and effectively in the current AP signal coverage range, and effectively reducing the device energy consumption.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Fig. 2 is a schematic structural diagram of an electronic device for WLAN network connection according to an embodiment of the present invention, where the electronic device includes:
a connection module 210, configured to store basic communication parameters of an STA device after a first network connection between the STA device and an AP device is established;
an authentication module 220, configured to perform identity authentication on the accessed STA device, so that the STA device is continuously and effectively in the current AP signal coverage range, where the identity authentication is performed on the STA device at least according to a communication parameter, a connection state, or a data packet of the STA device.
In an embodiment, the authenticating the identity of the accessed STA device, so that the STA device is continuously and effectively in the coverage area of the current AP signal specifically includes:
saving the communication parameters of the selected STA equipment to a Flash memory on the AP equipment;
judging whether the accessed STA equipment is credible or not by comparing the MAC address of the accessed STA equipment with the MAC address stored on the Flash memory;
and if the STA equipment is credible, skipping the judgment of the networking state of the STA equipment, and directly calling an encryption key prestored in the AP equipment to decrypt the communication data.
In one embodiment, the authenticating the STA device accessing to make the STA device continuously effective in the current AP signal coverage includes:
calculating the distance between the STA equipment and the AP equipment by calculating the strength of signals received by the AP equipment;
and when the STA equipment is detected to have no change in distance within a preset time interval, judging the STA equipment as the trusted equipment, skipping the judgment of the networking state of the STA equipment, and directly calling an encryption key prestored in the AP equipment to decrypt the communication data.
In one embodiment, the authenticating the STA device accessing to make the STA device continuously effective in the current AP signal coverage includes:
the STA equipment sends a data packet defined according to a preset rule, and after the AP equipment receives the data packet, the AP equipment replies a data packet defined according to the preset rule to inform whether the STA equipment is set as trusted equipment or not.
As will be appreciated by those of ordinary skill in the art, in one embodiment, the electronic device includes a memory, a processor, and a computer program stored in the memory and executable on the processor, the processor implementing steps S101 to S102 when executing the computer program to enable the STA device to be continuously active within the current AP signal coverage. In another embodiment, the computer program may be further stored in a computer readable storage medium, the storage medium including, for example: ROM/RAM, magnetic disk, optical disk, etc.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (5)

1. A WLAN network connection method, comprising:
after the first network connection between the STA equipment and the AP equipment is established, storing the basic communication parameters of the STA equipment;
and performing identity authentication on the accessed STA equipment to ensure that the STA equipment is continuously and effectively in the current AP signal coverage range, wherein the identity authentication is performed on the STA equipment at least according to the communication parameters, the connection state or the data packet of the STA equipment.
2. The method of claim 1, wherein the authenticating the accessed STA device such that the STA device is continuously valid in a current AP signal coverage area comprises:
saving the communication parameters of the selected STA equipment to a Flash memory on the AP equipment;
comparing the MAC address of the accessed STA equipment with the MAC address stored in the Flash memory, and judging whether the accessed STA equipment is credible;
and if the STA equipment is credible, skipping the judgment of the networking state of the STA equipment, and directly calling an encryption key prestored in the AP equipment to decrypt the communication data.
3. The method of claim 1, wherein the authenticating the accessed STA device such that the STA device is continuously valid in a current AP signal coverage area comprises:
calculating the distance between the STA equipment and the AP equipment by calculating the strength of signals received by the AP equipment;
and when the STA equipment is detected to have no change in distance within a preset time interval, judging the STA equipment as the trusted equipment, skipping the judgment of the networking state of the STA equipment, and calling an encryption key prestored in the AP equipment to decrypt the communication data.
4. The method of claim 1, wherein the authenticating the accessed STA device such that the STA device is continuously valid in a current AP signal coverage area comprises:
the STA equipment sends a data packet defined according to a preset rule, and after the AP equipment receives the data packet, the AP equipment replies a data packet defined according to the preset rule to inform whether the STA equipment is set as trusted equipment or not.
5. An electronic device, comprising:
the connection module is used for storing the basic communication parameters of the STA equipment after the first network connection between the STA equipment and the AP equipment is established;
and the authentication module is used for performing identity authentication on the accessed STA equipment so that the STA equipment is continuously and effectively in the current AP signal coverage range, wherein the identity authentication is performed on the STA equipment at least according to the communication parameters, the connection state or the data packet of the STA equipment.
CN202010426850.3A 2020-05-19 2020-05-19 WLAN network connection method and electronic equipment Pending CN111669753A (en)

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Cited By (2)

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CN112272048A (en) * 2020-10-24 2021-01-26 青岛鼎信通讯股份有限公司 Network port locking method applied to medium-voltage carrier communication equipment
WO2022194104A1 (en) * 2021-03-19 2022-09-22 华为技术有限公司 Method for determining whether electronic device requires re-authentication, and electronic device

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CN106789884A (en) * 2016-11-16 2017-05-31 上海斐讯数据通信技术有限公司 A kind of portal authentication method and system
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CN101820629A (en) * 2010-04-15 2010-09-01 华为终端有限公司 Identity authentication method, device and system in wireless local area network (WLAN)
CN103501495A (en) * 2013-10-16 2014-01-08 苏州汉明科技有限公司 Perception-free WLAN (Wireless Local Area Network) authentication method fusing Portal/Web authentication and MAC (Media Access Control) authentication
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Publication number Priority date Publication date Assignee Title
CN112272048A (en) * 2020-10-24 2021-01-26 青岛鼎信通讯股份有限公司 Network port locking method applied to medium-voltage carrier communication equipment
WO2022194104A1 (en) * 2021-03-19 2022-09-22 华为技术有限公司 Method for determining whether electronic device requires re-authentication, and electronic device

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Application publication date: 20200915