CN114698055A - Network access method, device, network equipment and storage medium - Google Patents
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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
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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
- H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
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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
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Abstract
The network access method, the network access device, the network equipment and the storage medium provided by the embodiment of the invention receive a detection request frame sent by a terminal; whether a preset identification field exists in the detection request frame is analyzed; and when the preset identification field does not exist in the detection request frame, returning a first detection response frame to the terminal. Therefore, the embodiment of the invention determines the network condition supported by the terminal by judging whether the preset representation field exists in the detection request frame sent by the terminal, thereby realizing the sending of the customized detection response and improving the network compatibility and the user experience.
Description
Technical Field
The embodiments of the present invention relate to, but are not limited to, the field of communications, and in particular, but not limited to, a network access method, apparatus, network device, and storage medium.
Background
With the development of Wi-Fi technology, Wi-Fi6 WLAN (Wireless Local Area Network) Access Point (AP) also starts to be laid out in large quantities, aiming to make users experience high speed and low time delay of the new generation Wi-Fi6 technology. Since there are a large number of non-Wi-Fi 6 STAs (stations) in the user, it is also important for the user experience to maintain compatibility between the Wi-Fi6AP and the non-Wi-Fi 6 STAs. In the related art, a large number of non-Wi-Fi 6 STAs cannot actively search for Wi-Fi6AP signals or cannot be associated with Wi-Fi6 APs. However, the current modification method for the problem is that each STA manufacturer upgrades the Wi-Fi network card driver on the STA side to solve the problem, but there are many STAs with the problem, and some manufacturers of the STAs stop supporting the STA, so that the compatibility of the STA used by the user with the new Wi-Fi6AP is poor. Therefore, how to improve the downward compatibility of the Wi-Fi6AP becomes a problem which needs to be solved at present.
Disclosure of Invention
The network access method, the network access device, the network equipment and the storage medium provided by the embodiment of the invention mainly solve the technical problems of poor compatibility of Wi-Fi6 and poor user experience in the related technology.
To solve the foregoing technical problem, an embodiment of the present invention provides a network access method, including:
receiving a detection request frame sent by a terminal;
whether a preset identification field exists in the detection request frame or not is analyzed;
and when the preset identification field does not exist in the detection request frame, returning a first detection response frame to the terminal.
The embodiment of the invention also provides a network access method, which comprises the following steps:
sending a probe request frame to a wireless access point;
receiving a first probe response frame sent by the wireless access point, wherein the probe response frame is sent when the wireless access point analyzes that the preset identification field does not exist in the probe request frame;
and accessing a first network according to the first detection response frame.
An embodiment of the present invention further provides a network access apparatus, including:
the request receiving module is used for receiving a detection request frame sent by a terminal;
the analysis module is used for analyzing whether a preset identification field exists in the detection request frame or not;
and the response sending module is used for returning a first detection response frame to the terminal when the preset identification field does not exist in the detection request frame.
The embodiment of the invention also provides network equipment, which comprises a processor, a memory and a communication bus;
the communication bus is used for realizing connection communication between the processor and the memory;
the processor is configured to execute one or more computer programs stored in the memory to implement the steps of the network access method described above.
Embodiments of the present invention also provide a computer storage medium, which stores one or more programs that are executable by one or more processors to implement the steps of the network access method described above.
According to the network access method, the network access device, the network equipment and the storage medium provided by the embodiment of the invention, a detection request frame sent by a terminal is received; whether a preset identification field exists in the detection request frame is analyzed; and when the preset identification field does not exist in the detection request frame, returning a first detection response frame to the terminal. Therefore, the embodiment of the invention determines the network condition supported by the terminal by judging whether the preset identification field exists in the detection request frame sent by the terminal, thereby realizing the sending of the customized detection response and improving the network compatibility and the user experience.
Additional features and corresponding advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a flowchart of a network access method according to a first embodiment of the present invention;
fig. 2 is a flowchart of a network access method according to a second embodiment of the present invention;
fig. 3 is a flowchart of a network access method according to a third embodiment of the present invention;
fig. 4 is a schematic diagram illustrating a network access apparatus according to a fourth embodiment of the present invention;
fig. 5 is a schematic diagram of a network device according to a fifth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the section 9.4.2.26 of the IEEE p802.11ax/D7 draft protocol newly released by the Wi-Fi alliance, for 11ax (i.e., Wi-Fi6) new functions (TWT (target wake time, target wake time) and OFDMA (Orthogonal frequency division multiple access), etc.), the Extended capability Extended Capabilities element in the management frame is added with a corresponding identification field, and the length is also increased to 11 bytes from 8 bytes of the original non-Wi-Fi 6. Through testing of multiple Wi-Fi6AP products, the fact that multiple branded non-Wi-Fi 6 STAs cannot actively search for Wi-Fi6AP signals or cannot be associated to a Wi-Fi6AP is found. The reason is that the STAs cannot recognize the Extended Capabilities elements Extended to 11 bytes in the Probe Response frame of Wi-Fi6AP Probe Response, but the Extended Capabilities elements in the Probe Response frame corresponding to Wi-Fi6 are 8 bytes in length. The invention determines the network condition supported by the terminal based on whether the preset representation field exists in the detection request frame sent by the terminal, thereby realizing the sending of the customized detection response, improving the network compatibility and the user experience and improving the compatibility. The following describes embodiments of the present invention with reference to the drawings.
The first embodiment is as follows:
the present embodiment provides a network access method, please refer to fig. 1, where the network access method includes:
s101, receiving a detection request frame sent by a terminal;
s102, analyzing whether a preset identification field exists in the detection request frame or not;
and S103, when the preset identification field does not exist in the detection request frame, returning a first detection response frame to the terminal.
Beacon frames, Probe Request frames, and Probe Response frames are management frames of IEEE802.11 wireless local area networks, and are composed of a series of elements.
In S101, an STA in a wireless local area network receives a Beacon frame broadcast by a nearby AP, and if the STA initiates active scanning or association, the STA sends a probe request frame loaded with its own information to the AP, indicating the intention of the STA to access the network. And may include a first network, i.e., a non-WiFi 6 network, and a second network, i.e., a WiFi6 network, depending on the type of networks supported by the STA.
In S102, the AP may analyze probe request frame information sent by the STA, construct a probe response frame according to the analysis result, and reply the constructed probe response frame to the STA.
In the embodiment of the present invention, for terminals supporting different network types, probe response frames returned by the AP are also different, where the probe response frames include a first probe response frame and a second probe response frame, which correspond to the terminals supporting the first network and the second network, respectively. And the first probe response frame is determined according to the probe request frame sent by the terminal, and is determined according to whether a preset identification field exists in the probe request frame, wherein the preset identification field can represent whether the terminal supports a WiFi6 network. That is, as in S103, if the identifier field is not preset in the probe request frame, it indicates that the terminal does not support the WiFi6 network, and then a first probe response frame is returned to the terminal; correspondingly, when the preset identification field exists in the detection request frame, a second detection response frame is returned to the terminal. The second probe response frame corresponds to the terminal supporting a WiFi6 network. In the section 9.4.2.26 of the IEEE p802.11ax/D7 draft protocol newly released by the Wi-Fi alliance, for 11ax new functions (TWT (target wake time), OFDMA (Orthogonal frequency division multiple access), etc.), an Extended Capabilities element in a management frame is added with a corresponding identification field, and the length is also increased to 11 bytes from 8 bytes of the original non-Wi-Fi 6.
Accordingly, in some embodiments, the first probe response frame is returned to the terminal, and the Extended Capabilities element in the first probe response frame has a length of 8 bytes. And returning a second probe response frame to the terminal, wherein the length of an Extended Capabilities element in the second probe response frame is 11 bytes.
Specifically, in some embodiments, whether a preset identification field exists in the probe request frame is analyzed, where the preset identification field includes a high efficiency capability HE Capabilities element and/or a high efficiency Operation HE Operation element. Whether the HE Capabilities element or the HE Operation element is used may indicate that the terminal supports the WiFi6 network, if both elements exist, the terminal may parse the probe response frame corresponding to the WiFi6 network, so as to access the network, and if neither element exists, the terminal should not support the WiFi6 network, and the probe response frame corresponding to the non-WiFi 6 network should be returned to the terminal.
In some embodiments, the network access method may further include:
and maintaining an information table between the terminal information and the terminal support network, wherein the terminal support network is determined according to whether the preset representation field exists in the detection request frame or not. The information table is stored on the AP, and may record network conditions supported by each terminal device attempting to access the AP, that is, may record whether the terminal devices support the WiFi6 network, and may also be determined according to the probe request frame sent by the terminal.
Accordingly, in some embodiments, when the preset identification field does not exist in the probe request frame, returning the first probe response frame to the terminal may include:
when the preset identification field does not exist in the detection request frame, setting a terminal support network corresponding to the terminal information in the information table as only supporting a first network;
and returning the first detection response frame to the terminal according to the terminal support network in the information table. When the probe response frame is returned to the terminal, the determination can be made according to whether the preset identification field exists in the probe request frame currently sent by the terminal, and the determination can also be made according to the network supported by the terminal reflected by the information table stored in the AP, so that the AP can conveniently perform centralized management on each terminal, and the subsequent network access is faster, simpler and more convenient.
In the network access method provided by this embodiment, a probe request frame sent by a terminal is received; whether a preset identification field exists in the detection request frame is analyzed; and when the preset identification field does not exist in the detection request frame, returning a first detection response frame to the terminal. Therefore, the embodiment of the invention determines the network condition supported by the terminal by judging whether the preset representation field exists in the detection request frame sent by the terminal, thereby realizing the sending of the customized detection response and improving the network compatibility and the user experience.
Example two:
the present embodiment provides a network access method, please refer to fig. 2, where the network access method includes:
s201, sending a detection request frame to a wireless access point;
s202, receiving a first detection response frame sent by the wireless access point, wherein the detection response frame is sent when the wireless access point analyzes that the detection request frame does not have a preset identification field;
and S203, accessing the first network according to the first detection response frame.
An STA in a wireless local area network can receive a Beacon frame broadcast by a nearby AP, and if the STA initiates active scanning or association, the STA can send a detection request frame loaded with self information to the AP, so that the intention of the STA to access the network is shown. And may include a first network, i.e., a non-WiFi 6 network, and a second network, i.e., a WiFi6 network, depending on the type of networks supported by the STA. The AP analyzes the probe request frame information sent by the STA, constructs a probe response frame according to the analysis result, and replies the constructed probe response frame to the STA.
In the embodiment of the present invention, for terminals supporting different network types, probe response frames returned by the AP to the terminal are also different, where the probe response frames include a first probe response frame and a second probe response frame, respectively, and correspond to the terminal supporting the first network and the second network, respectively. The first probe response frame is determined according to a probe request frame sent by the terminal, and is determined according to whether a preset identification field exists in the probe request frame, wherein the preset identification field can represent whether the terminal supports the probe request frame. That is, as in S103, if the identifier field is not preset in the probe request frame, it indicates that the terminal does not support the WiFi6 network, and then a first probe response frame is returned to the terminal; correspondingly, when the preset identification field exists in the detection request frame, a second detection response frame is returned to the terminal. The second probe response frame corresponds to the terminal supporting the WiFi6 network. In the latest IEEE P802.11ax/D7 draft protocol 9.4.2.26 section released by the Wi-Fi alliance, for 11ax new functions (TWT, OFDMA and the like), an Extended Capabilities element in a management frame is added with a corresponding identification field, and the length is also increased to 11 bytes from 8 bytes of the original non-Wi-Fi 6.
Accordingly, in some embodiments, in the first probe response frame sent by the receiving wireless access point, the Extended Capabilities elements of the first probe response frame have a length of 8 bytes. In the second probe response frame sent by the receiving wireless access point, the length of the Extended Capabilities element of the second probe response frame is 11 bytes.
Specifically, in some embodiments, whether a preset identification field exists in the probe request frame is analyzed, where the preset identification field includes a high efficiency capability HE Capabilities element and/or a high efficiency Operation HE Operation element. Whether the HE Capabilities element or the HE Operation element is used may indicate that the terminal supports the WiFi6 network, if both elements exist, the terminal may parse the probe response frame corresponding to the WiFi6 network, so as to access the network, and if neither element exists, the terminal should not support the WiFi6 network, and the probe response frame corresponding to the non-WiFi 6 network should be returned to the terminal.
The network access method provided by the embodiment transmits a probe request frame to a wireless access point; receiving a first detection response frame sent by a wireless access point, wherein the detection response frame is sent when the wireless access point analyzes that no preset identification field exists in a detection request frame; and accessing the first network according to the first probe response frame. Therefore, in the embodiment of the invention, the terminal can receive the probe response frame which can be normally analyzed from the AP end, thereby realizing the access of the network supported by the terminal, and improving the network compatibility and the user experience.
Example three:
the present embodiment provides a network access method, please refer to fig. 3, where the network access method includes:
s301: the terminal sends a detection request frame to the wireless access point, starts to scan or associate with the corresponding wireless access point, and tries to access the network.
S302: the wireless access point receives the detection request frame and analyzes whether the detection request frame contains a preset identification field; the preset identification field comprises a high-efficiency capability HE Capabilities element and/or a high-efficiency Operation HE Operation element, and if the preset identification field does not comprise the high-efficiency capability HE Capabilities element, the Operation enters S303; if so, the process proceeds to S304.
S303: the wireless access point constructs a first probe response frame, and the length of an Extended Capabilities element in the first probe response frame is 8 bytes.
S304: the wireless access point constructs a second probe response frame, and the length of an Extended Capabilities element in the second probe response frame is 11 bytes.
S305: and the wireless access point sends a corresponding probe response frame to the terminal.
S306: and the terminal successfully receives the corresponding detection response frame and accesses the network corresponding to the wireless access point.
Example four:
referring to fig. 4, the present embodiment provides a network access apparatus, including:
a request receiving module 41, configured to receive a probe request frame sent by a terminal;
the parsing module 42 is configured to parse whether a preset identification field exists in the probe request frame;
a response sending module 43, configured to return a first probe response frame to the terminal when the preset identifier field does not exist in the probe request frame.
An STA in a wireless local area network can receive a Beacon frame broadcast by a nearby AP, and if the STA initiates active scanning or association, the STA can send a detection request frame loaded with self information to the AP, so that the intention of the STA to access the network is shown. And may include a first network, i.e., a non-WiFi 6 network, and a second network, i.e., a WiFi6 network, depending on the type of networks supported by the STA.
The AP analyzes the probe request frame information sent by the STA, constructs a probe response frame according to the analysis result, and replies the frame to the STA.
In the embodiment of the present invention, the returned probe response frames are different for terminals supporting different network types, where the probe response frames include a first probe response frame and a second probe response frame, respectively, and correspond to the terminals supporting the first network and the second network, respectively. The first probe response frame is determined according to a probe request frame sent by the terminal, and is determined according to whether a preset identification field exists in the probe request frame, wherein the preset identification field can represent whether the terminal supports the probe request frame. That is, if the identifier field is not preset in the probe request frame, which indicates that the terminal does not support the WiFi6 network, the first probe response frame is returned to the terminal; correspondingly, when the preset identification field exists in the detection request frame, a second detection response frame is returned to the terminal. The second probe response frame corresponds to the terminal supporting a WiFi6 network. In the section 9.4.2.26 of the latest published IEEE p802.11ax/D7 draft protocol of the Wi-Fi alliance, for 11ax new functions (TWT, OFDMA and the like), Extended Capabilities elements in management frames are added with corresponding identification fields, and the length is also increased to 11 bytes from 8 bytes of the original non-Wi-Fi 6.
Accordingly, in some embodiments, the response sending module 43 returns the first probe response frame to the terminal, where the Extended Capabilities element in the first probe response frame has a length of 8 bytes. And returning a second probe response frame to the terminal, wherein the length of an Extended Capabilities element in the second probe response frame is 11 bytes.
Specifically, in some embodiments, the parsing module 42 is configured to parse whether a preset identifier field exists in the probe request frame, where the preset identifier field includes a high efficiency capability HE Capabilities element and/or a high efficiency Operation HE Operation element. Whether the HE Capabilities element or the HE Operation element is used may indicate that the terminal supports the WiFi6 network, if both elements exist, the terminal may parse the probe response frame corresponding to the WiFi6 network, so as to access the network, and if neither element exists, the terminal should not support the WiFi6 network, and the probe response frame corresponding to the non-WiFi 6 network should be returned to the terminal.
In some embodiments, a storage module 44 may be further included to maintain an information table between the terminal information and the terminal supporting network, where the terminal supporting network is determined according to whether the preset indication field exists in the probe request frame. The information table is stored in the storage module 44 of the AP, and it may record the network conditions supported by each terminal device attempting to access the AP, that is, it may record whether these terminal devices support the WiFi6 network, and it may also be determined according to the probe request frame sent by the terminal.
Accordingly, in some embodiments, when the preset identification field does not exist in the probe request frame, the returning of the first probe response frame to the terminal by the response sending module 43 may include:
when the preset identification field does not exist in the detection request frame, setting a terminal support network corresponding to the terminal information in the information table as only supporting a first network;
and returning the first detection response frame to the terminal according to the terminal support network in the information table. When the probe response frame is returned to the terminal, the determination can be made according to whether the preset identification field exists in the probe request frame currently sent by the terminal, and the determination can also be made according to the network supported by the terminal reflected by the information table stored in the AP, so that the AP can conveniently perform centralized management on each terminal, and the subsequent network access is faster, simpler and more convenient.
The network access device provided by the embodiment receives a probe request frame sent by a terminal; whether a preset identification field exists in the detection request frame is analyzed; and when the preset identification field does not exist in the detection request frame, returning a first detection response frame to the terminal. Therefore, the embodiment of the invention determines the network condition supported by the terminal by determining whether the preset representation field exists in the detection request frame sent by the terminal, thereby realizing the sending of the customized detection response and improving the network compatibility and the user experience.
Example five:
referring to fig. 5, the present embodiment further provides a network device, which includes a processor 51, a memory 52 and a communication bus 53;
the communication bus 53 is used for realizing connection communication between the processor 51 and the memory 52;
the processor 51 is configured to execute one or more computer programs stored in the memory 52 to implement the steps in the network access method in the foregoing embodiments, which are not described herein again. Specifically, the network device in this embodiment may be a wireless access point AP device, such as a router; and also STA terminal equipment such as a mobile phone, a tablet PAD, a personal computer PC, etc.
The present embodiments also provide a computer-readable storage medium including volatile or non-volatile, removable or non-removable media implemented in any method or technology for storage of information such as computer-readable instructions, data structures, computer program modules or other data. Computer-readable storage media include, but are not limited to, RAM (Random Access Memory), ROM (Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), flash Memory or other Memory technology, CD-ROM (Compact disk Read-Only Memory), Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer.
The computer readable storage medium in this embodiment may be used to store one or more computer programs, and the stored one or more computer programs may be executed by one or more processors to implement the steps of the network access method in the embodiments described above.
The present embodiment also provides a computer program (or computer software), which can be distributed on a computer readable medium and executed by a computing device to implement the steps of the network access method in the foregoing embodiments; and in some cases at least one of the steps shown or described may be performed in an order different than that described in the embodiments above.
The present embodiments also provide a computer program product comprising a computer readable means on which a computer program as shown above is stored. The computer readable means in this embodiment may include a computer readable storage medium as shown above.
It will be apparent to those skilled in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software (which may be implemented in computer program code executable by a computing device), firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit.
In addition, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, computer program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media. Thus, the present invention is not limited to any specific combination of hardware and software.
The foregoing is a more detailed description of embodiments of the present invention, and the present invention is not to be considered limited to such descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (11)
1. A network access method, comprising:
receiving a detection request frame sent by a terminal;
whether a preset identification field exists in the detection request frame or not is analyzed;
and when the preset identification field does not exist in the detection request frame, returning a first detection response frame to the terminal.
2. The network access method of claim 1, wherein the preset identification field comprises a high efficiency capability (HE Capabilities) element and/or a high efficiency Operation (HE Operation) element.
3. The network access method of claim 1, further comprising:
and maintaining an information table between terminal information and a terminal support network, wherein the terminal support network is determined according to whether the preset representation field exists in the detection request frame.
4. The network access method of claim 3, wherein the returning a first probe response frame to the terminal when the preset identification field does not exist in the probe request frame comprises:
when the preset identification field does not exist in the detection request frame, setting a terminal support network corresponding to the terminal information in the information table as only supporting a first network;
and returning a first detection response frame to the terminal according to the terminal support network in the information table.
5. The network access method of any of claims 1-4, wherein the Extended Capabilities element in the first probe response frame is 8 bytes in length.
6. The network access method of any one of claims 1-4, further comprising:
and when the preset identification field exists in the detection request frame, returning a second detection response frame to the terminal.
7. The network access method of claim 6, wherein an Extended Capabilities element in the second probe response frame is 11 bytes in length.
8. A network access method, comprising:
sending a probe request frame to a wireless access point;
receiving a first probe response frame sent by the wireless access point, wherein the probe response frame is sent when the wireless access point analyzes that the preset identification field does not exist in the probe request frame;
and accessing a first network according to the first probe response frame.
9. A network access apparatus, comprising:
the request receiving module is used for receiving a detection request frame sent by a terminal;
the analysis module is used for analyzing whether a preset identification field exists in the detection request frame or not;
and the response sending module is used for returning a first detection response frame to the terminal when the preset identification field does not exist in the detection request frame.
10. A network device comprising a processor, a memory, and a communication bus;
the communication bus is used for realizing connection communication between the processor and the memory;
the processor is configured to execute one or more computer programs stored in the memory to implement the steps of the network access method of any of claims 1-7 or the steps of the network access method of claim 8.
11. A computer readable storage medium, characterized in that the computer readable storage medium stores one or more computer programs, which are executable by one or more processors to implement the steps of the network access method of any one of claims 1-7, or the steps of the network access method of claim 8.
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