CN111698758A - Terminal access method and device - Google Patents
Terminal access method and device Download PDFInfo
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- CN111698758A CN111698758A CN202010246690.4A CN202010246690A CN111698758A CN 111698758 A CN111698758 A CN 111698758A CN 202010246690 A CN202010246690 A CN 202010246690A CN 111698758 A CN111698758 A CN 111698758A
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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
- H04W48/16—Discovering, processing access restriction or access information
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Abstract
The present application relates to the field of wireless communications technologies, and in particular, to a terminal access method and apparatus. The method comprises the following steps: receiving a first association request sent by a target terminal, wherein the first association request is a request of the target terminal for accessing a network in a high-speed mode; judging whether the number of terminals accessed to the network is greater than or equal to a first threshold value, and judging whether the signal intensity of the target terminal is smaller than a second threshold value; and if the number of the terminals which have accessed the network is judged to be larger than or equal to a first threshold value and the signal intensity of the target terminal is smaller than a second threshold value, sending a first association response with unsuccessful association to the target terminal so that the target terminal accesses the network in a non-high-speed mode.
Description
Technical Field
The present application relates to the field of wireless communications technologies, and in particular, to a terminal access method and apparatus.
Background
With the further development of wireless network technology, the application of WLAN network has become more and more popular, and the typical application networking scenario is AC + FITAP mode. Under the networking, the FITAP is responsible for radio frequency access, and forwarding and control strategies are completed by the AC. In practical application scenarios, many terminals are connected to a network, and the terminals are various and have a long distance or a short distance. However, at present, no matter the intelligent access device is a computer, a handheld terminal, or a mobile phone, PAD, etc., the intelligent access device is almost a high-speed terminal, i.e., a terminal supporting 802.11n or 802.11 ac.
After the high-speed terminal is accessed to the network, the user experience is better. But there is also a problem: if a terminal is far from the network, the signal is weak. Since the wireless operation mechanism is that all terminals compete for using the channel, if the terminal accesses the network in the high speed mode, the following problems occur: 1) after the terminal competes for a channel, if data is to be transmitted, the speed is only reduced continuously because the signal is weak at a longer distance, and finally the data transmission may be performed at the lowest speed all the time; 2) the terminal can carry out data transmission at the lowest speed and simultaneously can be accompanied with a large amount of retransmission and packet errors; 3) since the terminal is a high-speed terminal and accesses the network in high-speed mode, there will be some negotiation of redundant information in addition to the data transmission: such as negotiation of BlockACK, power saving negotiation, bandwidth change due to collision, etc.
In order to solve the above problems and ensure the network quality, the current adopted method is as follows: and rejecting the access of the high-speed terminal with weaker signal. That is, a high-speed terminal with a weak signal cannot access the network.
Disclosure of Invention
The terminal access method and the terminal access device provided by the embodiment of the application are used for solving the problem that a high-speed terminal with weak signals cannot access a network in the prior art.
The embodiment of the application provides the following specific technical scheme:
in a first aspect, the present application provides a terminal access method, which is applied to an access point AP, where the method includes:
receiving a first association request sent by a target terminal, wherein the first association request is a request of the target terminal for accessing a network in a high-speed mode;
judging whether the number of terminals accessed to the network is greater than or equal to a first threshold value, and judging whether the signal intensity of the target terminal is smaller than a second threshold value;
and if the number of the terminals which have accessed the network is judged to be larger than or equal to a first threshold value and the signal intensity of the target terminal is smaller than a second threshold value, sending a first association response with unsuccessful association to the target terminal so that the target terminal accesses the network in a non-high-speed mode.
Optionally, the first association response carries a preset time length, wherein the target terminal starts timing after receiving the association response, and sends a second association request for accessing the network in a high-speed mode after the preset time length elapses; the method further comprises the following steps:
receiving a second association request sent by the target terminal;
and if the number of the terminals accessed to the network is judged to be smaller than a first threshold value and/or the signal intensity of the target terminal is larger than or equal to a second threshold value, sending a second association response with successful association to the target terminal.
Optionally, the method further includes:
monitoring the number of terminals accessed to a network and the signal intensity of the target terminal in real time;
and when the number of the terminals accessed to the network is judged to be less than a first threshold value and/or the signal intensity of the target terminal is judged to be greater than or equal to a second threshold value, a first management frame is sent to the target terminal, so that the target terminal can perform the operation of re-accessing the network in a high-speed mode.
Optionally, the method further includes:
when the target terminal accesses the network in the high-speed mode, if the number of the terminals which have accessed the network is judged to be larger than or equal to a first threshold value and the signal intensity of the target terminal is smaller than a second threshold value, a second management frame is sent to the target terminal, so that the target terminal can perform the operation of re-accessing the network in the non-high-speed mode.
Optionally, the method further includes:
when the target terminal is determined to be accessed to the network in a non-high-speed mode, adding a record of the target terminal as a high-speed terminal locally;
and deleting the record of the target terminal as the high-speed terminal when the target terminal is determined to be accessed to the network in the high-speed mode.
In a second aspect, the present application provides a terminal access apparatus, which is applied to an access point AP, where the apparatus includes:
a receiving unit, configured to receive a first association request sent by a target terminal, where the first association request is a request for the target terminal to access a network in a high-speed mode;
a judging unit, configured to judge whether the number of terminals that have accessed the network is greater than or equal to a first threshold, and judge whether the signal strength of the target terminal is less than a second threshold;
and a transmitting unit configured to transmit a first association response indicating that association is unsuccessful to the target terminal, if the determining unit determines that the number of terminals that have accessed the network is equal to or greater than a first threshold and the signal strength of the target terminal is less than a second threshold, so that the target terminal accesses the network in a non-high speed mode.
Optionally, the first association response carries a preset time length, wherein the target terminal starts timing after receiving the association response, and sends a second association request for accessing the network in a high-speed mode after the preset time length elapses;
the receiving unit is further configured to receive a second association request sent by the target terminal;
if the judging unit judges that the number of the terminals accessed to the network is smaller than a first threshold value and/or the signal intensity of the target terminal is larger than or equal to a second threshold value, the transmitting unit transmits a second association response with successful association to the target terminal.
Optionally, the apparatus further comprises:
a monitoring unit, configured to monitor the number of terminals that have accessed a network and the signal strength of the target terminal in real time;
when the judging unit judges that the number of the terminals which have accessed the network is less than a first threshold value and/or the signal intensity of the target terminal is greater than or equal to a second threshold value, the transmitting unit transmits a first management frame to the target terminal so that the target terminal can perform the operation of re-accessing the network in a high-speed mode.
Alternatively,
when the target terminal accesses the network in the high-speed mode, if the judging unit judges that the number of terminals accessing the network is larger than or equal to a first threshold value and the signal intensity of the target terminal is smaller than a second threshold value, the transmitting unit transmits a second management frame to the target terminal so that the target terminal performs the operation of re-accessing the network in the non-high-speed mode.
Optionally, the apparatus further comprises:
an adding unit, configured to locally add a record that the target terminal is a high-speed terminal when it is determined that the target terminal accesses a network in a non-high-speed mode;
and the deleting unit is used for deleting the record of the target terminal as the high-speed terminal when the target terminal is determined to be accessed to the network in the high-speed mode.
In a third aspect, the present application provides an access point AP, including:
a memory for storing program instructions;
and a processor, configured to call the program instructions stored in the memory, and execute any one of the methods according to the first aspect according to the obtained program.
In a fourth aspect, the present application provides a computer storage medium having stored thereon computer-executable instructions for causing a computer to perform the method of any of the first aspects.
The beneficial effect of this application is as follows:
to sum up, the terminal access method provided by the present application receives a first association request sent by a target terminal, where the first association request is a request for the target terminal to access a network in a high-speed mode; judging whether the number of terminals accessed to the network is greater than or equal to a first threshold value or not, and judging whether the signal intensity of the target terminal is smaller than a second threshold value or not; and if the number of the terminals which have accessed the network is judged to be larger than or equal to a first threshold value and the signal strength of the target terminal is smaller than a second threshold value, sending a first association response with unsuccessful association to the target terminal so that the target terminal accesses the network in a non-high-speed mode.
By adopting the terminal access method provided by the application, the terminal accesses the network in a non-high-speed mode when the signal strength is weak, namely the high-speed terminal with the signal strength is allowed to access the network, so that the user experience is improved; the colleagues avoid the situation that a high-speed terminal with weak signal strength is accessed in a high-speed mode, negotiation errors are easy to generate, excessive air interface resources are occupied, and the robustness of the whole network is improved.
Drawings
Fig. 1 is a schematic diagram of a network networking provided in an embodiment of the present application;
fig. 2 is a flowchart illustrating a terminal access method according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a terminal access device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an access point AP provided in the embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
First, the term "and" in the embodiment of the present application is only one kind of association relationship describing an associated object, and means that three kinds of relationships may exist, for example, a and B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
When the present application refers to the ordinal numbers "first", "second", "third" or "fourth", etc., it should be understood that this is done for differentiation only, unless it is clear from the context that the order is actually expressed.
The scheme of the present application will be described in detail by specific examples, but the present application is not limited to the following examples.
Illustratively, referring to fig. 1, the present application provides a network networking schematic diagram, where an Access Controller (AC) (e.g., AC 1) is connected to multiple Access Points (APs) (e.g., AP 1, AP 2, … …, AP n), and each Access Point has a corresponding wireless terminal, e.g., AP 1 has a wireless terminal 1, a wireless terminal 2 and a wireless terminal 3, … …, and AP n has a wireless terminal m-1 and a wireless terminal m.
In practical applications, terminals that do not support 802.11n and 802.11ac may access the network in a non-High speed (e.g., Leagcy) manner, terminals that support 802.11n may access the network in a High Throughput (HT) manner, and terminals that support 802.11ac may access the network in a Very High Throughput (VHT) manner.
The method embodiment of the present application will be described in detail below with reference to a specific embodiment, and for example, as shown in fig. 2, the terminal access method provided by the present application is applied to an AP, and the detailed flow of the terminal access method is as follows:
step 200: receiving a first association request sent by a target terminal, wherein the first association request is a request for accessing the target terminal to a network in a high-speed mode.
In practical applications, the terminal needs to access the network after being powered on, and then the step of accessing the terminal to the network may include: firstly, a terminal searches for a network through scanning, and initiates authentication and association of an MAC layer to access the network after finding the network; then, after the access of the MAC layer is completed, user access authentication (e.g., 802.1X authentication) is performed, and after the authentication is passed, a data encryption key is negotiated, thereby completing the entire access process.
For example, assuming that the wireless terminal 1 scans the AP 1 through the active scanning/passive scanning manner, the wireless terminal 1 may send an Authentication Request (e.g., Authentication Request) to the AP 1, and when it is determined that the wireless terminal 11 passes the Authentication, the AP 1 sends an Authentication Response (e.g., Authentication Response) to the wireless terminal 1 to inform that the wireless terminal 1 passes the Authentication, and then the wireless terminal 1 sends an Association Request (e.g., Association Request) to the AP 1, that is, in this embodiment, the AP receives the first Association Request (e.g., Association Request) sent by the wireless terminal 1. The AP 1 may determine whether the wireless terminal 1 is a high-speed terminal, that is, whether the wireless terminal is a terminal supporting 802.11n or 802.11ac, according to the received Association Request. If the wireless terminal 1 is a high-speed terminal, step 210 is executed, and if the wireless terminal 1 is not a high-speed terminal, an Association Response (e.g., Association Response) is directly sent to the wireless terminal 1, and the wireless terminal 1 accesses the AP 1 in a non-high-speed (e.g., Leagcy) manner.
Step 210: and judging whether the number of the terminals accessed to the network is greater than or equal to a first threshold value or not, and judging whether the signal strength of the target terminal is smaller than a second threshold value or not.
In the embodiment of the present application, a first condition parameter (i.e., a first threshold) is set for the number of terminals that have accessed a network, and a second condition parameter (i.e., a second threshold) is set for a terminal that currently performs an access operation, that is, when the number of terminals that have accessed the network is greater than or equal to the first threshold, it indicates that a network load is large, and when a terminal needs to access the network in a high-speed mode, the signal strength of the terminal needs to satisfy a certain condition. Then, when the AP receives a first association request sent by a target terminal, determines that the target terminal is a high-speed terminal according to the received first association request, and needs to access a network in a high-speed mode, it determines whether the number of terminals that have accessed the network is greater than or equal to a first threshold, and determines whether the signal strength of the target terminal is less than a second threshold.
Step 220: and if the number of the terminals which have accessed the network is judged to be larger than or equal to a first threshold value and the signal intensity of the target terminal is smaller than a second threshold value, sending a first association response with unsuccessful association to the target terminal so that the target terminal accesses the network in a non-high-speed mode.
In the embodiment of the application, if the number of terminals which have been accessed to the network is determined to be greater than or equal to the corresponding preset value by the AP and the signal strength of the target terminal is less than the corresponding preset value, it is determined that the target terminal cannot be accessed to the network through the high-speed mode, at this time, the AP sends an association response indicating that association is unsuccessful to the target terminal, and when receiving the association response indicating that association is unsuccessful and sent by the AP, the target terminal switches the access mode to the non-high-speed mode and sends an association request for accessing the network through the non-high-speed mode to the AP.
For example, when the AP determines that the number of terminals that have accessed the network is greater than or equal to the corresponding preset value and the signal strength of the target terminal is less than the corresponding preset value, an Association response (Association response) message that is replied to the target terminal does not carry any Information Element (IE) of HT (802.11n mode) or VHT (802.11ac mode), so that the target terminal negotiates with the AP for access in the legacy mode after receiving the Association response message.
In this embodiment of the present application, a preferable implementation manner is that the first association response further carries a preset time length, where the target terminal starts timing after receiving the association response, and sends a second association request for accessing the network in a high speed mode after the preset time length elapses.
In practical application, a special IE is carried in a first association response sent by an AP, such as: a time out Interval element (TIE). The format of TIE is shown in the following table:
wherein, Element ID is 56; length is 5; timeout Interval Type is 3; timeout interval Value ═ T;
optionally, T is calculated as: (| M1-M2 |)/M0; wherein, M1 is the distance from the terminal to the AP when the terminal signal strength reaches the second threshold under the ideal condition (if the distance is greater than M1, the terminal signal strength is less than the second threshold); m2 is the distance from the terminal to the AP when the AP can receive the association request message under ideal conditions (if the distance is greater than M2, the AP cannot receive the association request message); m0 is the human average walking efficiency M0M/S.
As can be seen from the above, after the target terminal receives the first association response carrying the preset time duration (e.g., T1), and after the time T1 elapses, the target terminal may renegotiate the access module with the AP (i.e., negotiate with the AP to access the network in the high speed mode), and the target terminal may send the second association request to the AP to access the network in the high speed mode.
Correspondingly, the terminal access method may further include: receiving a second association request sent by the target terminal; and if the number of the terminals accessed to the network is judged to be smaller than a first threshold value and/or the signal intensity of the target terminal is larger than or equal to a second threshold value, sending a second association response with successful association to the target terminal.
Of course, if the AP determines that the number of terminals that have accessed the network is greater than or equal to the first threshold and the signal strength of the target terminal is less than the second threshold, the AP still sends an association response indicating that association is unsuccessful to the target terminal.
Further, in this embodiment of the present application, after receiving the first association request sent by the target terminal, the AP determines that the target terminal is a high-speed terminal, and when the final negotiation result of the target terminal is that the target terminal needs to access the network in a non-high-speed mode, a record that the target terminal is the high-speed terminal is locally added, where the record does not have any record of functional action, and only identifies the target terminal as the high-speed terminal.
That is, the conditions for adding a recording in which the terminal is a high-speed terminal are: when a terminal fails to access the network in the high-speed mode and finally succeeds in accessing the network in the non-high-speed mode, the record that the terminal is the high-speed terminal is added.
Furthermore, in the embodiment of the present application, a preferred implementation manner is that when the AP determines that the target terminal is a high-speed terminal and accesses the network in a non-high-speed mode, the AP monitors the number of terminals already accessing the network and the signal strength of the target terminal in real time; and when the number of the terminals which have accessed the network is judged to be smaller than a first threshold value and/or the signal intensity of the target terminal is larger than or equal to a second threshold value, a first management frame (such as an Action frame) is sent to the target terminal, so that the target terminal can carry out the operation of re-accessing the network in a high-speed mode.
In the embodiment of the application, if the AP determines that the target terminal accesses the network in the high-speed mode, the record that the target terminal is the high-speed terminal is deleted.
That is, the conditions for deleting the record of the terminal as the high-speed terminal are as follows: when a terminal is switched from a non-high-speed mode access network to a high-speed mode access network, the record that the terminal is the high-speed terminal can be deleted.
Based on the same principle as above, when the target terminal accesses the network in the high-speed mode, if the AP determines that the number of terminals already accessing the network is greater than or equal to a first threshold and the signal strength of the target terminal is less than a second threshold, a second management frame is transmitted to the target terminal, so that the target terminal performs an operation of re-accessing the network in the non-high-speed mode.
Based on the foregoing embodiments, referring to fig. 3, a schematic structural diagram of a terminal access device provided in an embodiment of the present application is applied to an access point AP, where the terminal access device includes:
a receiving unit 30, configured to receive a first association request sent by a target terminal, where the first association request is a request for the target terminal to access a network in a high-speed mode;
a determining unit 31, configured to determine whether the number of terminals that have accessed the network is greater than or equal to a first threshold, and determine whether the signal strength of the target terminal is less than a second threshold;
if the determining unit 31 determines that the number of terminals that have accessed the network is greater than or equal to the first threshold and the signal strength of the target terminal is less than the second threshold, the sending unit 32 sends a first association response that association is unsuccessful to the target terminal, so that the target terminal accesses the network in a non-high speed mode.
Optionally, the first association response carries a preset time length, wherein the target terminal starts timing after receiving the association response, and sends a second association request for accessing the network in a high-speed mode after the preset time length elapses;
the receiving unit 30 is further configured to receive a second association request sent by the target terminal;
if the determining unit 31 determines that the number of terminals having access to the network is smaller than the first threshold and/or the signal strength of the target terminal is greater than or equal to the second threshold, the transmitting unit 32 transmits a second association response indicating that the association is successful to the target terminal.
Optionally, the apparatus further comprises:
the monitoring unit is used for monitoring the number of terminals accessed to the network and the signal intensity of the target terminal in real time;
when the determining unit 31 determines that the number of terminals having accessed to the network is smaller than a first threshold value and/or the signal strength of the target terminal is greater than or equal to a second threshold value, the transmitting unit 32 transmits a first management frame to the target terminal, so that the target terminal performs an operation of re-accessing to the network in a high-speed mode.
Alternatively,
when the target terminal accesses the network in the high-speed mode, if the determining unit 31 determines that the number of terminals already accessing the network is greater than or equal to the first threshold and the signal strength of the target terminal is less than the second threshold, the transmitting unit 32 transmits a second management frame to the target terminal, so that the target terminal performs an operation of re-accessing the network in the non-high-speed mode.
Optionally, the apparatus further comprises:
the adding unit is used for locally adding the record of the target terminal as the high-speed terminal when the target terminal is determined to be accessed to the network in the non-high-speed mode;
and the deleting unit is used for deleting the record of the target terminal as the high-speed terminal when the target terminal is determined to be accessed to the network in the high-speed mode.
Further, referring to fig. 4, the present application also provides an AP including a memory 40 and a processor 41, wherein,
a memory 40 for storing program instructions;
and a processor 41, configured to call the program instructions stored in the memory 40, and execute any one of the method embodiments according to the obtained program.
Still further, the present application provides a computer storage medium having computer-executable instructions stored thereon for causing a computer to perform any of the above-described method embodiments.
To sum up, the terminal access method provided by the present application receives a first association request sent by a target terminal, where the first association request is a request for the target terminal to access a network in a high-speed mode; judging whether the number of terminals accessed to the network is greater than or equal to a first threshold value or not, and judging whether the signal intensity of the target terminal is smaller than a second threshold value or not; and if the number of the terminals which have accessed the network is judged to be larger than or equal to a first threshold value and the signal strength of the target terminal is smaller than a second threshold value, sending a first association response with unsuccessful association to the target terminal so that the target terminal accesses the network in a non-high-speed mode.
By adopting the terminal access method provided by the application, the terminal accesses the network in a non-high-speed mode when the signal strength is weak, namely the high-speed terminal with the signal strength is allowed to access the network, so that the user experience is improved; the colleagues avoid the situation that a high-speed terminal with weak signal strength is accessed in a high-speed mode, negotiation errors are easy to generate, excessive air interface resources are occupied, and the robustness of the whole network is improved.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present application without departing from the spirit and scope of the embodiments of the present application. Thus, if such modifications and variations of the embodiments of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to encompass such modifications and variations.
Claims (10)
1. A terminal access method is applied to an Access Point (AP), and comprises the following steps:
receiving a first association request sent by a target terminal, wherein the first association request is a request of the target terminal for accessing a network in a high-speed mode;
judging whether the number of terminals accessed to the network is greater than or equal to a first threshold value or not, and judging whether the signal intensity of the target terminal is smaller than a second threshold value or not;
and if the number of the terminals which have accessed the network is judged to be larger than or equal to a first threshold value and the signal strength of the target terminal is smaller than a second threshold value, sending a first association response with unsuccessful association to the target terminal so that the target terminal accesses the network in a non-high-speed mode.
2. The method of claim 1, wherein the first association response carries a preset duration, wherein the target terminal starts timing after receiving the association response, and sends a second association request for accessing a network in a high-speed mode after the preset duration; the method further comprises the following steps:
receiving a second association request sent by the target terminal;
and if the number of the terminals accessed to the network is judged to be smaller than a first threshold value and/or the signal intensity of the target terminal is larger than or equal to a second threshold value, sending a second association response with successful association to the target terminal.
3. The method of claim 1, wherein the method further comprises:
monitoring the number of terminals accessed to the network and the signal intensity of the target terminal in real time;
and when the number of the terminals accessed to the network is judged to be less than a first threshold value and/or the signal strength of the target terminal is larger than or equal to a second threshold value, sending a first management frame to the target terminal so that the target terminal can perform the operation of re-accessing the network in a high-speed mode.
4. The method of claim 3, wherein the method further comprises:
when the target terminal accesses the network in the high-speed mode, if the number of the terminals which have accessed the network is judged to be larger than or equal to a first threshold value and the signal intensity of the target terminal is smaller than a second threshold value, a second management frame is sent to the target terminal, so that the target terminal can perform the operation of re-accessing the network in the non-high-speed mode.
5. The method of claim 1, wherein the method further comprises:
when the target terminal is determined to be accessed to the network in a non-high-speed mode, adding a record of the target terminal as a high-speed terminal locally;
and deleting the record of the target terminal as the high-speed terminal when the target terminal is determined to be accessed to the network in the high-speed mode.
6. A terminal access device applied to an Access Point (AP), the device comprising:
a receiving unit, configured to receive a first association request sent by a target terminal, where the first association request is a request for the target terminal to access a network in a high-speed mode;
the judging unit is used for judging whether the number of the terminals accessed to the network is greater than or equal to a first threshold value and judging whether the signal intensity of the target terminal is smaller than a second threshold value;
and if the judging unit judges that the number of the terminals accessed to the network is greater than or equal to a first threshold value and the signal intensity of the target terminal is less than a second threshold value, the sending unit sends a first association response with unsuccessful association to the target terminal so that the target terminal accesses to the network in a non-high-speed mode.
7. The apparatus of claim 6, wherein the first association response carries a preset duration, wherein the target terminal starts timing after receiving the association response, and sends a second association request for accessing a network in a high speed mode after the preset duration;
the receiving unit is further configured to receive a second association request sent by the target terminal;
if the judging unit judges that the number of the terminals accessed to the network is smaller than a first threshold value and/or the signal intensity of the target terminal is larger than or equal to a second threshold value, the sending unit sends a second association response with successful association to the target terminal.
8. The apparatus of claim 6, wherein the apparatus further comprises:
the monitoring unit is used for monitoring the number of terminals accessed to the network and the signal intensity of the target terminal in real time;
when the judging unit judges that the number of the terminals accessed to the network is smaller than a first threshold value and/or the signal intensity of the target terminal is larger than or equal to a second threshold value, the sending unit sends a first management frame to the target terminal so that the target terminal can perform network re-access operation in a high-speed mode.
9. The apparatus of claim 8,
when the target terminal accesses the network in the high-speed mode, if the judging unit judges that the number of the terminals accessed to the network is larger than or equal to a first threshold value and the signal intensity of the target terminal is smaller than a second threshold value, the sending unit sends a second management frame to the target terminal, so that the target terminal performs the operation of re-accessing the network in the non-high-speed mode.
10. The apparatus of claim 6, wherein the apparatus further comprises:
the adding unit is used for locally adding the record of the target terminal as the high-speed terminal when the target terminal is determined to be accessed to the network in the non-high-speed mode;
and the deleting unit is used for deleting the record of the target terminal as the high-speed terminal when the target terminal is determined to be accessed to the network in the high-speed mode.
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