CN109246798A - The processing method and processing device of terminal access in a kind of WLAN - Google Patents
The processing method and processing device of terminal access in a kind of WLAN Download PDFInfo
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- CN109246798A CN109246798A CN201811201537.9A CN201811201537A CN109246798A CN 109246798 A CN109246798 A CN 109246798A CN 201811201537 A CN201811201537 A CN 201811201537A CN 109246798 A CN109246798 A CN 109246798A
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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
- H04W48/08—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
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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Abstract
The application provides a kind of processing method of terminal access in WLAN, this method comprises: receiving the RSSI threshold value that AC is uniformly issued；When receiving the probe request from target terminal, the RSSI value of the target terminal is obtained；Judge whether the RSSI value of the target terminal is lower than the RSSI threshold value；When the RSSI value of the target terminal is lower than the RSSI threshold value, probing response frame is replied in delay within preset waiting time, and the information of the target terminal is added to AP delay return information table；The probing response frame is used for AP echo probe claim frame, so that the terminal for issuing probe request accesses the AP of the response；The AP delay return information table is used to record the information for the terminal that AP delay is replied.The case where AP replys probing response frame lower than RSSI threshold delay by comparing the RSSI value of terminal and the mode of RSSI threshold value, in the RSSI value for determining terminal late, avoids the AP of terminal access dtr signal, improves user experience.
Description
Technical field
The present invention relates to network communication technology field, in particular to the processing method of terminal access in a kind of WLAN
And device
Background technique
In order to expand the coverage area of network, it will usually using two or more wireless access point (AP,
Wireless Access Point) composition WLAN (WLAN, Wireless Local Area Networks), for eventually
End provides service on net.Meanwhile for the ease of management, wireless controller (AC, Wireless can be configured under WLAN environment
Access Point Controller) each AP of control.
Such as when user comes into megastore, under the radio local network environment of the megastore, user's using terminal
AP is connected, since the initiative of connection is terminal, the presence of many factors causes terminal to might connect on any AP, when
When terminal is connected to signal stronger AP, user experience is not influenced, but when terminal is connected to the AP of dtr signal, after access
Networking speed is slow, influences user experience.
Currently, in the prior art, AP is in the form of hiding SSID (service set, Service Set Identifier)
Broadcast transmission beacon (Beacon) frame simultaneously obtains the RSSI of terminal by 802.11 broadcast frames in real time (received signal intensity refers to
Show, Received Signal Strength Indication) value is reported to AC and stores, and whether AC decision, which replys detection, is rung
The method for answering frame (probe response) solves the problems, such as that terminal is connected to the AP of dtr signal.But due to not can guarantee
The real-time of above-mentioned broadcast frame, and there are a large amount of reports between AC and AP when more using the terminal quantity of the WLAN
Text interaction, it is thus possible to will lead to unstable networks and terminal can not search SSID, so as to cause terminal access signal compared with
On the AP of difference, user experience is influenced.
Summary of the invention
In view of this, the application provides a kind of processing method of terminal access in WLAN, terminal access letter is avoided
On number poor AP, user experience is improved.
Specifically, the application is achieved by the following technical solution:
The processing method of terminal access in a kind of WLAN, the method are applied to appointing in wireless local area network (WLAN) system
One wireless access point AP, the AP broadcast transmission beacon Beacon frame, the method in the form of hiding service set SSID
Include:
Receive the RSSI threshold value that AC is uniformly issued；
When receiving the probe request from target terminal, the RSSI value of the target terminal is obtained；
Judge whether the RSSI value of the target terminal is lower than the RSSI threshold value；
When the RSSI value of the target terminal is lower than the RSSI threshold value, delay, which is replied, within preset waiting time is visited
Response frame is surveyed, and the information of the target terminal is added to AP delay return information table；
The probing response frame is used for AP echo probe claim frame, so that the terminal for issuing probe request accesses the sound
The AP answered；
The AP delay return information table is used to record the information for the terminal that AP delay is replied.
The processing unit of terminal access in a kind of WLAN, described device are applied to appointing in wireless local area network (WLAN) system
One wireless access point AP, the AP broadcast transmission beacon Beacon frame, described device in the form of hiding service set SSID
Include:
Receiving unit, the RSSI threshold value uniformly issued for receiving AC；
Acquiring unit, for obtaining the RSSI value of the target terminal when receiving the probe request from target；
Judging unit, for judging whether the RSSI value of the target terminal is lower than the RSSI threshold value；
First processing units, for when the RSSI value of the target terminal be lower than the RSSI threshold value when, preset etc.
Probing response frame is replied to delay in duration, and the information of the target terminal is added to AP delay return information table；
The probing response frame is used for AP echo probe claim frame, so that the terminal for issuing probe request accesses the sound
The AP answered；
The AP delay return information table is used to record the information for the terminal that AP delay is replied.
The application pass through more than technical solution, in the probe request for receiving terminal, AP compare RSSI threshold value and
Whether the RSSI value of the terminal got postpones to reply probing response frame according to comparison result AP decision.Compared with prior art,
Since the application is reported to AC without obtaining the RSSI value of terminal in real time, whether probe request is replied without AC decision, because
This ensure that the stability of network, be not in the case where terminal can not search SSID, so avoid terminal access signal compared with
On the AP of difference, user experience is improved.
Detailed description of the invention
Fig. 1 is a kind of group-network construction figure of WLAN shown in one exemplary embodiment of the application；
Fig. 2 is the stream of the processing method of terminal access in a kind of WLAN shown in one exemplary embodiment of the application
Cheng Tu；
Fig. 3 is the flow chart of the terminal roaming shown in one exemplary embodiment of the application；
Fig. 4 is the AP hardware structure diagram shown in one exemplary embodiment of the application；
Fig. 5 is the knot of the processing unit of terminal access in a kind of WLAN shown in one exemplary embodiment of the application
Structure schematic diagram；
Fig. 6 is the structural schematic diagram of the first processing units shown in one exemplary embodiment of the application.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
It is only to be not intended to be limiting the application merely for for the purpose of describing particular embodiments in term used in this application.
It is also intended in the application and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not departing from
In the case where the application range, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination ".
In order to make it easy to understand, being explained first to the relevant technical terms in WLAN.
SSID (service set, Service Set Identifier): the wireless office that Internet service provider is provided by AP
The title of domain net service, terminal can be moved freely and be protected in the connected region that the WLAN with same SSID covers
Hold connection.
RSSI (instruction of received signal intensity, Received Signal Strength Indication): wireless transmission
Whether the optional part of layer, for determining link quality, and increase broadcast transmission intensity.It is surveyed by the signal strength or weakness received
Signaling point is determined at a distance from receiving point, and then location Calculation can be carried out according to corresponding data.
Probe request (probe request): terminal issues a kind of for there is the claim frame of which AP around detecting.
Probing response frame (probe response): the sound for the probe request probe request that AP issues terminal
It answers, by AP unicast to terminal.
Referring to Fig. 1, Fig. 1 is a kind of group-network construction figure of WLAN, includes a wireless controlled in the WLAN
Device AC processed and multiple wireless access point APs.Wherein AC is the control centre in WLAN, is responsible for management and controls each AP, AP
It is the access point of WLAN, terminal can enter WLAN by the access point.The terminal may include various intelligence
Energy mobile phone, tablet computer, PC (Personal Computer, personal computer) etc..
By taking Fig. 1 as an example, there are multiple AP under the radio local network environment, when user's using terminal connects AP, due to
The initiative of connection is terminal, and the presence of many factors causes terminal to might connect on any AP, when terminal is connected to
When the stronger AP of signal, user experience is not influenced, but when terminal is connected to the AP of dtr signal, networking speed after access
Slowly, user experience is influenced.
In the prior art, AP is wide in the form for hiding SSID (service set, Service Set Identifier)
Broadcast deliver letters mark (Beacon) frame and by 802.11 broadcast frames obtain in real time terminal RSSI (received signal intensity instruction,
Received Signal Strength Indication) value is reported to AC and stores, and whether AC decision replys probing response frame
The method of (probe response) solves the problems, such as that terminal is connected to the AP of dtr signal.But it is above-mentioned due to not can guarantee
The real-time of broadcast frame, and there are a large amount of messages between AC and AP when more using the terminal quantity of the WLAN
Interaction, it is thus possible to which will lead to unstable networks and terminal can not search SSID, so as to cause terminal access dtr signal
On AP, user experience is influenced.
This application provides the processing methods that terminal in a kind of WLAN accesses, in the probe requests thereby for receiving terminal
Whether when frame, AP compares the RSSI value of RSSI threshold value with the terminal got, postponed to reply detection according to comparison result AP decision
Response frame.Compared with prior art, AC is reported to without obtaining the RSSI value of terminal in real time due to the application, without AC decision
Probe request whether is replied, therefore ensure that the stability of network, is not in the case where terminal can not search SSID, into
And it avoids improving the experience of user on the AP of terminal access dtr signal.
It is described below in conjunction with realization process of the specific embodiment to the application.
Referring to FIG. 2, Fig. 2 is the processing method of terminal access in a kind of WLAN shown in the embodiment of the present application
Flow chart, this method are applied to any wireless access point AP in wireless local area network (WLAN) system, and the AP is to hide service set
The form broadcast transmission beacon Beacon frame of SSID.
It should be noted that terminal scanning signal is divided into active scan mode and drive sweep mode.Active scan mode
Probe requests thereby is sent for terminal and searches for SSID, and drive sweep mode is the beacon Beacon frame for receiving AP and periodically sending.Above-mentioned AP
The purpose of broadcast transmission Beacon frame is to allow terminal that can not detect this under a passive scanning mode in the form of hiding SSID
Any AP of SSID, to guarantee that terminal can only search for SSID in such a way that active scan mode sends probe request.
Method includes the following steps:
S201 receives the RSSI threshold value that AC is uniformly issued.
S202 obtains the RSSI value of the target terminal when receiving the probe request from target terminal.
Under active scan mode, when receiving the probe request for carrying out self terminal, which is solved
Analysis, the probe request after parsing contain the information of the terminal: the signal strength RSSI value and phase of MAC Address, target terminal
The timestamp answered.At this point, saving the information of the terminal while obtaining RSSI value in the information of the terminal.
S203, judges whether the RSSI value of the target terminal is lower than the RSSI threshold value.
S204 postpones within preset waiting time when the RSSI value of the target terminal is lower than the RSSI threshold value
Probing response frame is replied, and the information of the target terminal is added to AP delay return information table.
The probing response frame is used for AP echo probe claim frame, so that the terminal for issuing probe request accesses the sound
The AP answered.
The AP delay return information table is used to record the information for the terminal that AP delay is replied.
In the embodiment of the present application, which can be the waiting time that AC is uniformly issued, and be also possible to
It the waiting time of user's self-setting, is not specifically limited herein.
The wireless local area each AP off the net prestores respective AP delay return information table, postpones back for recording AP
The information of multiple terminal.Include but is not limited to the following contents in AP delay return information table: the MAC Address of terminal, reception come from
The timestamp of the probe request of terminal and the RSSI value of terminal.AP postpones return information table can be as shown in table 1:
1 AP of table postpones return information table
| MAC Address | Timestamp | RSSI value |
| MAC1 | time1 | RSSI1 |
| MAC2 | time2 | RSSI2 |
| MAC1 | time3 | RSSI3 |
| MAC2 | time4 | RSSI4 |
It should be noted that table 1 is merely illustrative, other expression sides can be had according to the actual disposition situation of user
Formula is not construed as limiting herein.
In one embodiment of the application, in step 204, probe response is replied in delay within preset waiting time
Frame specifically includes:
The mesh is judged using the reception recorded in AP delay return information table come the timestamp of the probe request of self terminal
The waiting time of terminal is marked whether within preset waiting time.When determining within preset waiting time, delay, which is replied, to be visited
Response frame is surveyed, when determining more than preset waiting time and the target terminal does not access any AP, responds immediately to detect
Response frame.
After responding immediately to probing response frame, the mesh recorded in the AP delay return information table can also be deleted
Mark the information of terminal.
It should be noted that when terminal is using puppet MAC mechanism, such as iPhone, in order to protect the privacy of user,
Using pseudo- MAC Address when sending probe request.AP is always to transmission probe request in technical solution provided by the present application
The MAC Address of terminal reply probing response frame, therefore, even if can also guarantee in the case where terminal is using puppet MAC mechanism
Terminal accesses on the stronger AP of signal.
In one embodiment, by taking application scenarios shown in FIG. 1 as an example, which is known as terminal a, and AC control is managed and united
One issues RSSI threshold value to AP1, AP2, AP3, each AP broadcast transmission Beacon frame in the form of hiding SSID.For terminal a
The probe request of transmission, AP1 judge that the RSSI value of terminal a is lower than RSSI threshold value after the RSSI value for obtaining terminal a,
Probing response frame is replied in AP1 delay in preset waiting time, and letter is replied in the AP delay that the information of terminal a is added to AP1
Cease table.AP1 is received again by the probe request of terminal a and the RSSI value of terminal a lower than AP1's within preset waiting time
RSSI threshold value, at this point, AP1 still carries out the processing mode that probing response frame is replied in delay.By searching for the information for determining terminal a
It is reported on AP delay return information table, does not need the information for recording terminal a again at this time.It is more than preset when AP1 is determined
When waiting time, first determine whether terminal a accesses other AP, when determining that terminal a accesses other AP, AP1 does not reply detection
Response frame.When determining that terminal a does not access any AP, probing response frame is responded immediately to, so that terminal a accesses AP1, is avoided
The case where any one AP can not be accessed when being always below RSSI threshold value due to the RSSI value of terminal.
After responding immediately to probing response frame, AP1 can also delete the terminal a's recorded in AP delay return information table
Information.
In one embodiment of the application, the cut-in method of terminal further comprises in the WLAN:
When the RSSI value of the target terminal is higher than the RSSI threshold value, probing response frame is responded immediately to, so that described
The AP of probing response frame is responded immediately to described in target terminal access.
In one embodiment, application scenarios as shown in connection with fig. 1 are specifically described by taking terminal roaming as an example.
AC control manages and uniformly issues RSSI threshold value to AP1, AP2, AP3, and each AP is configured with preset waiting time,
The preset waiting time can be what AC was uniformly issued, postpone the detection for replying terminal within preset waiting time for AP
Claim frame.In application scenarios shown in Fig. 1, which is known as terminal a, it is assumed that and terminal a accesses AP1 and obtains Internet resources, when
When terminal a is moved to AP2 from AP1, since signal strength dies down, terminal a re-initiates association.Referring to FIG. 3, Fig. 3 is this Shen
It please implement the flow chart of terminal roaming in a kind of WLAN exemplified.
S301, AP1, AP2 and AP3 the broadcast transmission Beacon frame in the form of hiding SSID.
S302, AP2 and AP3 receive the probe request for carrying out self terminal a.
S303, AP3 judge and determine the RSSI value of terminal a lower than RSSI threshold value, delay reply probing response frame.
S304, AP2 judge and determine that the RSSI value of terminal a is higher than RSSI threshold value, probing response frame are responded immediately to, so that eventually
A is held to access AP2.
By taking AP3 is firstly received probe request after terminal a sends probe request as an example, in the prior art, by
Be terminal a in the initiative of re-association, terminal a may priority access AP3, have led at this time terminal a access signal compared with
On the AP3 of difference, user experience is influenced.And in the present embodiment, after AP3 receives the probe request of terminal a transmission, judgement
Whether the RSSI value of terminal a is lower than RSSI threshold value, replys detection late lower than RSSI threshold delay when the RSSI value for determining terminal a and rings
Answer frame.At this point, receiving the probe request of terminal a after AP2, immediately when the RSSI value for determining terminal a is higher than RSSI threshold value
Probing response frame is replied, so that terminal a accesses AP2.
It should be noted that receiving the spy for carrying out self terminal since AP being described in detail in above-mentioned other embodiments
The specific implementation process of each step after surveying claim frame, details are not described herein.
In the present embodiment, by taking terminal roaming as an example, AP by comparing the RSSI value of terminal and the mode of RSSI threshold value,
Determine that the RSSI value of terminal replys probing response frame lower than RSSI threshold delay late, avoiding may access when terminal roaming
The case where AP of dtr signal, improves user experience.
So far the explanation of the embodiment of the processing method of terminal access in WLAN is completed.
It should be noted that in embodiments herein when the RSSI value of terminal is lower than the RSSI threshold value that AC is issued, AP
Terminal is avoided to access on the AP of dtr signal in such a way that delay is replied.In addition to this, when the RSSI value of terminal is lower than under AC
When the RSSI threshold value of hair, it can also be avoided in such a way that end delay accesses AP on the AP of terminal access dtr signal.Due to
Terminal delay access specific algorithm according to different vendor configuration and determine, do not illustrate herein.
It is corresponding with the embodiment of processing method of terminal access in a kind of aforementioned WLAN, present invention also provides
The embodiment of the processing unit of terminal access in a kind of WLAN.
The embodiment for the processing unit that terminal accesses in a kind of WLAN of the application can be applied in WLAN
In any wireless access point AP in system.Installation practice can be by software realization, can also be by hardware or soft or hard
The mode that part combines is realized.It taking software implementation as an example, is the processing by AP where it as the device on a logical meaning
Computer program instructions corresponding in nonvolatile memory are read into memory what operation was formed by device.From hardware view
Speech, as shown in figure 4, for a kind of hardware configuration of AP where the processing unit of terminal access in a kind of WLAN of the application
Figure, other than processor shown in Fig. 4, memory, network interface and nonvolatile memory, in embodiment where device
AP generally according to the AP actual functional capability, can also include other hardware, this is repeated no more.
Referring to FIG. 5, Fig. 5 is a kind of structural schematic diagram of the processing unit of terminal access in WLAN, the device
Applied to any wireless access point AP in wireless local area network (WLAN) system, which broadcasts hair in the form of hiding service set SSID
It delivers letters and marks Beacon frame, which includes: receiving unit 510, acquiring unit 520, judging unit 530, first processing units
540。
Wherein, receiving unit 510, the RSSI threshold value uniformly issued for receiving AC.
Acquiring unit 520, for obtaining the RSSI of the target terminal when receiving the probe request from target
Value.
Judging unit 530, for judging whether the RSSI value of the target terminal is lower than the RSSI threshold value.
First processing units 540, for when the RSSI value of the target terminal be lower than the RSSI threshold value when, preset
Probing response frame is replied in delay in waiting time, and the information of the target terminal is added to AP delay return information table.Institute
Probing response frame is stated for AP echo probe claim frame, so that the terminal for issuing probe request accesses the AP of the response.Institute
State the information that AP delay return information table is used to record the terminal that AP delay is replied.
In embodiments herein, referring to FIG. 6, Fig. 6 is the structural schematic diagram of first processing units, first processing
Unit 540, specifically includes:
Subelement 610 is analyzed, for postponing the waiting time that return information table judges the target terminal according to the AP
Whether within preset waiting time.
Subelement 620 is replied, for when determining within preset waiting time, probing response frame to be replied in delay, when true
Surely it is more than preset waiting time, and when the target terminal does not access any AP, responds immediately to probing response frame.
In embodiments herein, the first processing units 540, further includes:
Subelement 630 is deleted, for deleting the information of the target terminal recorded in the AP delay return information table.
In embodiments herein, the device further include:
The second processing unit 550, for responding immediately to when the RSSI value of the target terminal is higher than the RSSI threshold value
Probing response frame, so as to respond immediately to the AP of probing response frame described in target terminal access.
The function of each unit and the realization process of effect are specifically detailed in the above method and correspond to step in above-mentioned apparatus
Realization process, details are not described herein.
For device embodiment, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
The purpose for needing to select some or all of the modules therein to realize application scheme.Those of ordinary skill in the art are not paying
Out in the case where creative work, it can understand and implement.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.
Claims (10)
1. the processing method that terminal accesses in a kind of WLAN, which is characterized in that the method is applied to WLAN
Any wireless access point AP in system, AP broadcast transmission beacon Beacon in the form of hiding service set SSID
Frame, which comprises
Receive the RSSI threshold value that AC is uniformly issued；
When receiving the probe request from target terminal, the RSSI value of the target terminal is obtained；
Judge whether the RSSI value of the target terminal is lower than the RSSI threshold value；
When the RSSI value of the target terminal is lower than the RSSI threshold value, delay is replied detection and is rung within preset waiting time
Frame is answered, and the information of the target terminal is added to AP delay return information table；
The probing response frame is used for AP echo probe claim frame, so that the terminal for issuing probe request accesses the response
AP；
The AP delay return information table is used to record the information for the terminal that AP delay is replied.
2. the method according to claim 1, wherein the preset waiting time is the waiting that AC is uniformly issued
Duration.
3. the method according to claim 1, wherein the AP postpones return information table, including the following contents:
The RSSI value of the MAC Address of terminal, the timestamp for receiving the probe request for carrying out self terminal and terminal.
4. the method according to claim 1, wherein the delay within preset waiting time is replied detection and is rung
Answer frame, comprising:
Whether postpone return information table according to the AP judges the waiting time of the target terminal within preset waiting time；
When determine within preset waiting time when, delay reply probing response frame, when determine be more than preset waiting time and
When the target terminal does not access any AP, probing response frame is responded immediately to.
5. according to the method described in claim 4, it is characterized in that, it is described respond immediately to probing response frame after, further includes:
Delete the information of the target terminal recorded in the AP delay return information table.
6. the method according to claim 1, wherein the method further includes:
When the RSSI value of the target terminal is higher than the RSSI threshold value, probing response frame is responded immediately to, so that the target
The AP of probing response frame is responded immediately to described in terminal access.
7. the processing unit that terminal accesses in a kind of WLAN, which is characterized in that described device is applied to WLAN
Any wireless access point AP in system, AP broadcast transmission beacon Beacon in the form of hiding service set SSID
Frame, described device include:
Receiving unit, the RSSI threshold value uniformly issued for receiving AC；
Acquiring unit, for obtaining the RSSI value of the target terminal when receiving the probe request from target；
Judging unit, for judging whether the RSSI value of the target terminal is lower than the RSSI threshold value；
First processing units, for when the RSSI value of the target terminal be lower than the RSSI threshold value when, in preset waiting
Probing response frame is replied in delay in long, and the information of the target terminal is added to AP delay return information table；
The probing response frame is used for AP echo probe claim frame, so that the terminal for issuing probe request accesses the response
AP；
The AP delay return information table is used to record the information for the terminal that AP delay is replied.
8. device according to claim 7, which is characterized in that the first processing units, comprising:
Subelement is analyzed, judges the waiting time of the target terminal whether pre- for postponing return information table according to the AP
If waiting time in；
Subelement is replied, for when determining within preset waiting time, delay reply probing response frame, to be more than pre- when determining
If waiting time, and when the target terminal does not access any AP, respond immediately to probing response frame.
9. device according to claim 8, which is characterized in that the first processing units further include:
Subelement is deleted, for deleting the information of the target terminal recorded in the AP delay return information table.
10. device according to claim 7, which is characterized in that described device further include:
The second processing unit, for responding immediately to detection and ringing when the RSSI value of the target terminal is higher than the RSSI threshold value
Frame is answered, so as to respond immediately to the AP of probing response frame described in target terminal access.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112291833A (en) * | 2019-07-23 | 2021-01-29 | 华为技术有限公司 | Equipment control method, system and related device |
| WO2022252864A1 (en) * | 2021-06-01 | 2022-12-08 | 中兴通讯股份有限公司 | Network access method, network node, electronic device and storage medium |
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