CN113993183A - Beacon frame-based WiFi zero distribution network system and method - Google Patents
Beacon frame-based WiFi zero distribution network system and method Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W12/06—Authentication
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- 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
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- 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
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- 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
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a WiFi zero-distribution network system and method based on Beacon frames, which do not need to increase intelligent terminal hardware configuration, carry out information interaction through the Beacon frames of WiFi, do not need intermediate routing to forward in the process, not only effectively solve the compatibility problem of different wireless routes, but also effectively avoid the problem of broadcast packet discarding when the network is congested by wireless routers; meanwhile, the security level and the like can be set, so that the security of information exchange and the reliability of information transmission are guaranteed; the compatibility of a distribution network system is improved, so that the distribution network success rate is increased, a zero distribution network without user participation of the intelligent terminal is realized, convenience is provided for users, and the method has strong practicability and usability.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a Beacon frame-based WiFi zero distribution network system and a Beacon frame-based WiFi zero distribution network method.
Background
Along with the development of economy and internet of things, various intelligent terminals enter the life of people, such as intelligent sound boxes, intelligent lamps, intelligent sockets, intelligent air conditioners, intelligent air purifiers and the like, and great convenience is brought to people. In order to ensure the normal use of the intelligent terminals, the intelligent terminals are firstly connected to the network, namely the network is distributed, but because the intelligent terminals do not have a human-computer interaction interface and do not have a configuration interface which can be displayed on a computer and a mobile phone for searching, selecting a designated router and inputting a connection password, the network configuration cannot be automatically completed, and therefore the intelligent terminals cannot be directly operated on the intelligent terminals to be connected with the network.
Currently, mainstream intelligent terminal network configuration technical solutions in the industry include SmartConfig (multicast/broadcast), SoftAP, sound wave, bluetooth BEL, NFC, and the like. But each has its disadvantages:
the SmartConfig (multicast/broadcast) scheme has low success rate and low speed due to the compatibility problem of the mobile phone and the router, the instability of UDP (user datagram protocol) and the serial characteristic of a distribution network.
The SoftAP scheme requires a user to switch to an AP hotspot of the network access device, is easily interfered, and requires manual input of an account password, so that the operation is complex and the speed is slow.
Although technologies such as sound wave, bluetooth BLE, NFC bypass router transmission and point-to-point transmission, the cost of the target device is relatively increased, but problems such as packet loss and complex operation also exist.
Some manufacturers actively initiate the distribution network information by AP (access point) equipment such as a router and the like through an IEEE 802.11 protocol extension scheme, directly add the distribution network information into a Probe request frame or a Beacon frame of WIFI (wireless fidelity), and realize the transmission of the distribution network information through intermediate equipment or direct broadcasting, so that the interaction process with the equipment is avoided, but the requirement on the compatibility of the wireless router is higher, network congestion can be caused, and safety risks also exist.
Therefore, a system and a method for WiFi zero-distribution network based on Beacon frame are needed, and the problems of low distribution efficiency, poor safety and the like of the existing intelligent terminal can be solved.
Disclosure of Invention
The invention aims to provide a Beacon frame-based WiFi zero distribution network system and a Beacon frame-based WiFi zero distribution network method, and aims to solve the problems that the existing intelligent terminal is low in distribution network efficiency, poor in safety and the like.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a Beacon frame-based WiFi zero-distribution network system which comprises a router, a first intelligent terminal and a second intelligent terminal, wherein the first intelligent terminal is in a network-accessed state, and the second intelligent terminal is in a network-to-be-accessed state.
Preferably, the first intelligent terminal and the second intelligent terminal are respectively an intelligent sound box, an intelligent lamp, an intelligent socket, an intelligent air conditioner or an intelligent air purifier.
The invention also provides a Beacon frame-based WiFi zero-distribution network method, which comprises the following steps:
s101, a first intelligent terminal which is connected to a network starts Beacon frame WiFi broadcast monitoring;
s102, a second intelligent terminal to be connected to the network sends WiFi broadcast packets of a network access request Beacon frame to each channel, and starts monitoring waiting responses;
s103, the first intelligent terminal which is connected to the network monitors and analyzes a WiFi broadcast packet of a Beacon frame requested by a second intelligent terminal to be connected to the network, and gives a unicast response to the Beacon frame after authentication;
s104, after receiving a Beacon frame unicast response of the first intelligent terminal which is accessed to the network, the second intelligent terminal to be accessed to the network sends a router parameter request Beacon frame broadcast packet to the first intelligent terminal which is accessed to the network in a unicast mode;
s105, after receiving the unicast Beacon frame broadcast packet of the router parameter request, the first intelligent terminal which is connected to the network analyzes the unicast Beacon frame broadcast packet and gives a unicast response;
and S106, the second intelligent terminal to be accessed to the network receives the response and analyzes the router parameters, and initiates a network access connection request to the router according to the router parameters.
Preferably, the broadcast packet is encapsulated by the vendor specific cell in a triplet.
Preferably, step S103 is specifically: and the first intelligent terminal which has accessed the network monitors the WiFi broadcast packet of the Beacon frame, analyzes and judges whether the Beacon frame has a unique identifier of a specific organization, judges whether the Beacon frame has the unique identifier of the specific organization is a network access request of the second intelligent terminal to be accessed to the network if the Beacon frame has the unique identifier of the specific organization, and responds according to an authentication mode set by a user.
Preferably, step S105 is specifically: monitoring a WiFi broadcast packet of a Beacon frame by a first intelligent terminal which is connected to the network, analyzing and judging whether the Beacon frame is the Beacon frame and has a unique identifier of a specific organization; if yes, judging whether the request is a second intelligent terminal router parameter request to be accessed to the network, and packaging a Beacon frame broadcast packet responded by the network access request according to the WiFi module MAC address of the second intelligent terminal to be accessed to the network and then performing unicast response.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the Beacon frame-based WiFi zero-distribution network system and the method, provided by the invention, intelligent terminal hardware configuration is not required to be added, information interaction is carried out through the Beacon frame of the WiFi, and intermediate routing is not required to be forwarded in the process, so that the compatibility problem of different wireless routes is effectively solved, and the problem of broadcast packet discarding caused by the fact that a wireless router is congested in a network is effectively avoided; meanwhile, the security level and the like can be set, so that the security of information exchange and the reliability of information transmission are guaranteed; the compatibility of a distribution network system is improved, so that the distribution network success rate is increased, a zero distribution network without user participation of the intelligent terminal is realized, convenience is provided for users, and the method has strong practicability and usability.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a flow chart of a WiFi zero distribution network method based on Beacon frames provided by the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a Beacon frame-based WiFi zero distribution network system and a Beacon frame-based WiFi zero distribution network method, and aims to solve the problems that an existing intelligent terminal is low in distribution network efficiency, poor in safety and the like.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1:
the embodiment provides a WiFi zero distribution network system based on Beacon frames, which comprises a router, a first intelligent terminal and a second intelligent terminal, wherein the first intelligent terminal is in a network access state, and the second intelligent terminal is in a network access state.
Specifically, first intelligent terminal and second intelligent terminal can select intelligent audio amplifier, intelligent lamp, smart jack, intelligent air conditioner or intelligent air purifier.
The embodiment also provides a Beacon frame-based WiFi zero-distribution network method, which comprises the following steps:
s101, a first intelligent terminal which is connected to a network starts Beacon frame WiFi broadcast monitoring;
the first intelligent terminal is configured to access the network through auxiliary equipment such as an intelligent mobile phone or an intelligent tablet, so that the first intelligent terminal always keeps an STA mode, and starts Beacon frame WiFi broadcast monitoring on a specific channel (a channel on which a router works).
The received Beacon frame is filtered according to the organizationally unique identifier OUI in the VSIE (Vendor-Specific Information Element) data.
S102, a second intelligent terminal to be connected to the network sends WiFi broadcast packets of a network access request Beacon frame to each channel, and starts monitoring waiting responses;
filling the MAC address of the WiFi module of the second intelligent terminal to be accessed into the SA field of the Beacon frame by the second intelligent terminal to be accessed according to the agreed protocol, and packaging the access request Beacon frame data Vendon Specific field through a Vendor-Specific Information Element (VSIE);
the information in the VSIE is encapsulated in a 'type-length-value' ternary data group mode, wherein the type indicates the category of the ternary data group, the category comprises a customized role (CLIENT), the state (IDLE) of the category and an event (network access request), the length indicates the length of the value in the ternary data group, and the value is actual data. Company specific OUI field data (3 bytes,).
And the second intelligent terminal to be accessed to the network circularly sends a broadcast packet of access request Beacon frame data on the 1-12 channels in a broadcast mode within 1 minute after starting up, and starts WiFi broadcast monitoring of the Beacon frame on the 1-12 channels.
S103, the first intelligent terminal which is connected to the network monitors and analyzes a WiFi broadcast packet of a Beacon frame requested by a second intelligent terminal to be connected to the network, and gives a unicast response to the Beacon frame after authentication;
monitoring a WiFi broadcast packet of a Beacon frame by a first intelligent terminal which is connected to the network, analyzing and judging whether the WiFi broadcast packet is in the Beacon frame and has a VSIE with a unique identifier OUI of a specific organization; if so, judging whether the request is a second intelligent terminal network access request to be accessed; if so, according to the authentication mode (user confirmation or silence mode) set by the user, the user confirmation is to remind the user that the equipment requests to join the network through the APP popup or webpage popup mode, and the user can respond after confirming, if so, the user does not need to confirm, and if the conditions are met, the user directly responds.
The WiFi module MAC address of the second intelligent terminal to be accessed to the network and the WiFi module MAC address of the first intelligent terminal accessed to the network can be analyzed according to the WiFi broadcast packet and filled into the Beacon frame DA and SA fields, and then the Beacon frame data vector Specific field responded by the network access request is packaged through a vector-Specific Information Element (VSIE).
The information in the VSIE is encapsulated in a mode of a 'type-length-value' ternary data group, wherein the type indicates the category of the ternary data group, the category comprises a role (SERVER), a self state (DETECT), an event (response to a network access request) and a working channel, the length indicates the length of the value in the ternary data group, and the value is actual data.
And the Beacon frame data filled by the first intelligent terminal which is accessed to the network is sent to a second intelligent terminal to be accessed to the network in a wifi unicast packet mode.
S104, after receiving a Beacon frame unicast response of the first intelligent terminal which is accessed to the network, the second intelligent terminal to be accessed to the network sends a router parameter request Beacon frame broadcast packet to the first intelligent terminal which is accessed to the network in a unicast mode;
after receiving a Beacon frame unicast response of a first intelligent terminal which is accessed to the network, a second intelligent terminal to be accessed to the network responds to a Beacon frame unicast data packet to analyze a WiFi module MAC address of the first intelligent terminal to be accessed to the network according to a response channel, the second intelligent terminal to be accessed to the network fills the MAC address of the WiFi module into a Beacon frame SA field according to an agreed protocol, and a router (AP) parameter request Beacon frame data Vendon Specific field is packaged through a Vendor-Specific Information Element (VSIE);
the information in the VSIE is encapsulated in a mode of a 'type-length-value' ternary data group, wherein the type indicates the category of the ternary data group, the category comprises a role (CLIENT), a self State (SYNC) and an event (router AP parameter request), the length indicates the length of the value in the ternary data group, and the value is actual data.
And sending the Beacon frame data filled by the second intelligent terminal to be networked to the first intelligent terminal to be networked in a wifi unicast packet mode on a known channel.
S105, after receiving the unicast Beacon frame broadcast packet of the router parameter request, the first intelligent terminal which is connected to the network analyzes the unicast Beacon frame broadcast packet and gives a unicast response;
monitoring a WiFi broadcast packet of a Beacon frame by a first intelligent terminal which is connected to the network, analyzing and judging whether the WiFi broadcast packet is a VSIE with a unique identifier OUI of a specific organization in the Beacon frame; if so, judging whether the request is a second intelligent terminal router (AP) parameter request to be accessed to the network; if so, the first intelligent terminal which is accessed to the network encapsulates the Beacon frame data packet responded by the network access request through a Vendor-Specific Information Element (VSIE) according to the MAC address of the WiFi module of the second intelligent terminal to be accessed to the network, and unicast the response.
The information in the VSIE is encapsulated in a mode of a 'type-length-value' ternary data group, wherein the type indicates the category of the ternary data group, the category comprises a role (SERVER), a self state (DETECT), an event (a request for responding to a parameter of a router AP), an SSID of the router and a PASSWORD of the router, the length indicates the length of the value in the ternary data group, and the value is actual data.
The Beacon frame data filled with the parameters of the router (AP) by the first intelligent terminal which is accessed to the network is sent to the second intelligent terminal to be accessed to the network in the form of a wifi unicast packet.
And S106, the second intelligent terminal to be accessed to the network receives the response and analyzes the router parameters, and initiates a network access connection request to the router according to the router parameters.
Monitoring a WiFi broadcast packet of a Beacon frame by a second intelligent terminal to be networked, analyzing and judging whether the second intelligent terminal is a VSIE with a unique identifier OUI of a specific organization in the Beacon frame; if so, judging whether the request is a first intelligent terminal router (AP) parameter request response of the accessed network; if yes, the SSID and password data of the router are analyzed.
And the second intelligent terminal to be networked acquires the SSID and the password for connecting the router, initiates a connection request to the router, performs subsequent standard authentication operation and completes the final distribution network.
The invention has the following advantages:
1. the zero distribution network without user participation of the intelligent terminal is realized, and the usability of the intelligent terminal is improved;
2. the information is not simply broadcasted through WiFi frames, the security level and the like can be set, and the security of information exchange and the reliability of information transmission are guaranteed;
3. in the process, intermediate routing is not needed for forwarding, so that the compatibility problem of different wireless routes is effectively solved, and the problem of broadcast packet discarding caused by network congestion of a wireless router is effectively avoided; the compatibility of the distribution network system is improved, so that the distribution network success rate is increased;
4. the intelligent terminal always keeps an STA mode, so that the operation burden can be reduced, and the distribution network speed can be increased;
5. the hardware configuration of the intelligent terminal is not required to be increased, the module cost is reduced, and the product competitiveness is improved;
6. integration with the module mode brings the facility for the ecological chain product, improves the profit of enterprise.
The principle and the implementation mode of the invention are explained by applying specific examples, and the description of the above examples is only used for helping understanding the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, this summary should not be construed to limit the present invention.
Claims (6)
1. The utility model provides a wiFi zero distribution network system based on Beacon frame which characterized in that: the intelligent terminal comprises a router, a first intelligent terminal and a second intelligent terminal, wherein the first intelligent terminal is in a network access state, and the second intelligent terminal is in a network access waiting state.
2. The Beacon frame-based WiFi zero-distribution network system of claim 1, wherein: the first intelligent terminal and the second intelligent terminal are respectively an intelligent sound box, an intelligent lamp, an intelligent socket, an intelligent air conditioner or an intelligent air purifier.
3. A WiFi zero-distribution network method based on Beacon frames is characterized in that: the method comprises the following steps:
s101, a first intelligent terminal which is connected to a network starts Beacon frame WiFi broadcast monitoring;
s102, a second intelligent terminal to be connected to the network sends WiFi broadcast packets of a network access request Beacon frame to each channel, and starts monitoring waiting responses;
s103, the first intelligent terminal which is connected to the network monitors and analyzes a WiFi broadcast packet of a Beacon frame requested by a second intelligent terminal to be connected to the network, and gives a unicast response to the Beacon frame after authentication;
s104, after receiving a Beacon frame unicast response of the first intelligent terminal which is accessed to the network, the second intelligent terminal to be accessed to the network sends a router parameter request Beacon frame broadcast packet to the first intelligent terminal which is accessed to the network in a unicast mode;
s105, after receiving the unicast Beacon frame broadcast packet of the router parameter request, the first intelligent terminal which is connected to the network analyzes the unicast Beacon frame broadcast packet and gives a unicast response;
and S106, the second intelligent terminal to be accessed to the network receives the response and analyzes the router parameters, and initiates a network access connection request to the router according to the router parameters.
4. The Beacon frame-based WiFi zero-distribution network method of claim 3, wherein: the broadcast packet is encapsulated by vendor specific cells in a ternary data set.
5. The Beacon frame-based WiFi zero-distribution network method of claim 3, wherein: step S103 specifically includes: and the first intelligent terminal which has accessed the network monitors the WiFi broadcast packet of the Beacon frame, analyzes and judges whether the Beacon frame has a unique identifier of a specific organization, judges whether the Beacon frame has the unique identifier of the specific organization is a network access request of the second intelligent terminal to be accessed to the network if the Beacon frame has the unique identifier of the specific organization, and responds according to an authentication mode set by a user.
6. The Beacon frame-based WiFi zero-distribution network method of claim 3, wherein: step S105 specifically includes: monitoring a WiFi broadcast packet of a Beacon frame by a first intelligent terminal which is connected to the network, analyzing and judging whether the Beacon frame is the Beacon frame and has a unique identifier of a specific organization; if yes, judging whether the request is a second intelligent terminal router parameter request to be accessed to the network, and packaging a Beacon frame broadcast packet responded by the network access request according to the WiFi module MAC address of the second intelligent terminal to be accessed to the network and then performing unicast response.
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