CN103813410B - A kind of method for controlling wireless terminal to access and WAP - Google Patents

A kind of method for controlling wireless terminal to access and WAP Download PDF

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Publication number
CN103813410B
CN103813410B CN201210460423.2A CN201210460423A CN103813410B CN 103813410 B CN103813410 B CN 103813410B CN 201210460423 A CN201210460423 A CN 201210460423A CN 103813410 B CN103813410 B CN 103813410B
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China
Prior art keywords
wireless terminal
frequency ranges
association request
5g frequency
request frame
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CN201210460423.2A
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Chinese (zh)
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CN103813410A (en
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夏亮
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深圳国人通信有限公司
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Abstract

The present invention is suitable for wireless communication technology field there is provided a kind of method for controlling wireless terminal to access and WAP, and method includes:Wireless access point AP receives the probe request and the first association request frame that wireless terminal is sent;Judge whether the wireless terminal supports 5G frequency ranges according to the probe request;Judge whether first association request frame comes from 5G frequency ranges;If the wireless terminal supports 5G frequency ranges and first association request frame comes from 5G frequency ranges, the wireless terminal is allowed to access;If the wireless terminal supports 5G frequency ranges, but first association request frame comes from 2.4G frequency ranges, then continues to the second association request frame that the wireless terminal is sent, until second disassociation frame just allows the wireless terminal to access when coming from 5G frequency ranges.The present invention, realizes and allows the wireless terminal priority access 5G frequency ranges of double frequency, improve the utilization rate of 5G frequency ranges, mitigate the flow burden of 2.4G frequency ranges.

Description

A kind of method for controlling wireless terminal to access and WAP

Technical field

The invention belongs to wireless communication technology field, more particularly to a kind of control the method for wireless terminal access and wirelessly connect Access point.

Background technology

In large area WLAN (Wireless Local Area Networks, WLAN) deployment, 2.4G frequencies The wireless network of section accounts for main flow, and now wireless terminal is due to by same WAP(Access Point, AP)Descend other User competes, or by other AP co-channel interference, the performance of wireless terminal will decline rapidly.

Double frequency AP appearance, can hold 5G frequency ranges with distributary division branch(5.1G is referred to the frequency range between 5.8G, including 5.8G)Wireless terminal data, reduce the bandwidth contention and flow pressure of 2.4G frequency ranges, but be due to the various of wireless terminal Property, the wireless terminal of many support double frequencies can all send 2.4G when carrying out wireless exploration scanning(Refer to 2.405G extremely 2.485G between frequency range)With two kinds of probe requests of 5G, and the Wireless con piguration soitware of microsoft system, as long as same services set Mark(Service Set Identifier, SSID)Signal, only display one, can't be to 2.4G's and 5G in scan list Signal is distinguished, so, after user clicks on wireless connection, depending on access 2.4G or 5G is entirely network interface card manufacturer, even with Machine, cause in double frequency AP, the 2.4G wireless terminals and 5G wireless terminals of access are seriously uneven, waste 5G bandwidth resources.

At present, in double frequency AP, it is a kind of conventional optimization means to do load balancing in two frequency ranges of 2.4G and 5G, tool Body is that, according to the supported numbers of users of double frequency AP itself 2.4G and 5G or handling capacity, dynamic adjustment is attached to the use of two frequency ranges Family, to reach rational equilibrium.But the algorithm of this optimization means is excessively complicated, and frequently force the frequency of adjustment user-association Section, by the experience of serious reduction user.Other this optimization means only take into account separate unit AP operating efficiency, in fact when big face During product wlan network deployment, 2.4G wireless terminal number is only supported much larger than the wireless terminal number for supporting 5G, therefore to 5G frequency ranges Utilization rate still than relatively low, the flow burden of 2.4G frequency ranges or heavier so that wlan network performance cannot be good Optimization.

The content of the invention

The embodiments of the invention provide a kind of method for controlling wireless terminal to access and WAP, it is intended to solves existing Technology is to the utilization rate of 5G frequency ranges than relatively low so that the problem of wlan network performance cannot optimize well.

On the one hand there is provided a kind of method for controlling wireless terminal access, methods described includes:

Wireless access point AP receives the probe request and the first association request frame that wireless terminal is sent;

Judge whether the wireless terminal supports 5G frequency ranges according to the probe request;

Judge whether first association request frame comes from 5G frequency ranges;

If the wireless terminal supports 5G frequency ranges and first association request frame comes from 5G frequency ranges, allow described Wireless terminal is accessed;

If the wireless terminal supports 5G frequency ranges, but first association request frame comes from 2.4G frequency ranges, then continues The second association request frame that the wireless terminal is sent is received, until second disassociation frame just allows institute when coming from 5G frequency ranges State wireless terminal access.

On the other hand there is provided a kind of WAP, the WAP includes:

Claim frame receiving unit, the probe request for receiving wireless terminal transmission for wireless access point AP is associated with first Claim frame;

First judging unit, for judging whether the wireless terminal supports 5G frequency ranges according to the probe request;

Second judging unit, for judging whether first association request frame comes from 5G frequency ranges;

First Access Control unit, if supporting 5G frequency ranges and first association request frame for the wireless terminal Accessed from the wireless terminal in 5G frequency ranges, is then allowed;

Second Access Control unit, if supporting 5G frequency ranges, but first association request frame for the wireless terminal Come from 2.4G frequency ranges, then continue to the second association request frame that the wireless terminal is sent, until second disassociation frame The wireless terminal is just allowed to access when coming from 5G frequency ranges.

In the embodiment of the present invention, wireless access point AP is according to the probe request and the first association request of Radioterminal Transmit Frame judges whether the wireless terminal supports whether 5G frequency ranges and first association request frame come from 5G frequency ranges, if It is then preferentially to allow the wireless terminal to access, and comes from the wireless terminal of 2.4G frequency ranges for the first association request frame, then Refusal access, until the second association request frame received just allows the wireless terminal to access when coming from 5G frequency ranges.Realize Allow the wireless terminal priority access 5G frequency ranges of double frequency, improve the utilization rate of 5G frequency ranges, mitigate the flow burden of 2.4G frequency ranges, carry The performance of WLAN is risen.

Brief description of the drawings

Fig. 1 is the implementation process figure of the method for the control wireless terminal access that the embodiment of the present invention one is provided;

Fig. 2 is the structured flowchart for the WAP that the embodiment of the present invention two is provided.

Embodiment

In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.

In embodiments of the present invention, wireless access point AP is associated with first according to the probe request of Radioterminal Transmit and asked Seek frame to judge whether the wireless terminal supports whether 5G frequency ranges and first association request frame come from 5G frequency ranges, such as Fruit is then preferentially to allow the wireless terminal to access, and comes from the wireless terminal of 2.4G frequency ranges for the first association request frame, Then refusal access, until the second association request frame received just allows the wireless terminal to access when coming from 5G frequency ranges.

The realization of the present invention is described in detail below in conjunction with specific embodiment:

Embodiment one

Fig. 1 shows the implementation process of the method for the control wireless terminal access that the embodiment of the present invention one is provided, and is described in detail such as Under:

In step S101, wireless access point AP receives the probe request and association request frame that wireless terminal is sent.

In the present embodiment, Radioterminal Transmit goes out the probe request of 2.4G frequency ranges and 5G frequency ranges, is deposited to scan periphery Wireless service, so as to make user selectivity association needs service set(ServiceSet Identifier, SSID).

In step s 102, judge whether the wireless terminal supports 5G frequency ranges according to the probe request.

In the present embodiment, AP first determines whether that the detection please when receiving the probe request of Radioterminal Transmit Ask which frequency range frame comes from, if the probe request comes from 5G frequency ranges, can show that the wireless terminal is supported 5G frequency ranges, and store the media access control address (MediaAccess Control Address, MAC) of the wireless terminal Into the AP;If the probe request comes from the wireless terminal that is not stored with 2.4G frequency ranges, and the AP Media access control address MAC, then can show that the wireless terminal does not support 5G frequency ranges;If the probe request comes from Be stored with the media access control address MAC of the wireless terminal in 2.4G frequency ranges, but the AP, then the wireless terminal branch Hold 5G frequency ranges.

Exemplary, the MAC Address in the present embodiment in the form of Hash table to be stored in AP memory cell.Specifically should Hash table is the Hash array for the table a length of 256 set up by keyword of last byte of Wireless terminal-MAC address, Each array member points to MAC Address last byte identical wireless terminal chained list, and hash-collision is solved with this Problem.The wireless terminal number that AP in practical application is supported is far below 256, therefore, and AP memory cell meets storage enough Demand.Also it should be noted that in practical application, in the Hash table of AP memory cell, all in store recent week all the time Enclose the wireless terminal of all support double frequencies.

In addition, in the present embodiment, if the probe request comes from 5G frequency ranges, AP directly transmits response frame to nothing Line terminal, to respond the 5G probe requests, if the probe request comes from 2.4G frequency ranges and the MAC of the wireless terminal This MAC Address is then inserted the Hash table of memory cell 15, then responds 2.4G by transmitting element 12 and visited by address not in Hash table Frame is surveyed, otherwise transmitting element 12 just detects frame directly in response to 2.4G.

In step s 103, judge whether first association request frame comes from 5G frequency ranges.

In the present embodiment, AP is received after the first association request frame of Radioterminal Transmit, judges first association Whether claim frame comes from 5G frequency ranges, if it is, sending association response frame to the wireless terminal.

In step S104, if the wireless terminal supports 5G frequency ranges and first association request frame comes from 5G frequencies Section, then allow the wireless terminal to access.

In step S105, if the wireless terminal supports 5G frequency ranges, but first association request frame comes from 2.4G frequency ranges, then continue to the second association request frame that the wireless terminal is sent, until second disassociation frame comes from The wireless terminal is just allowed to access during 5G frequency ranges.

In the present embodiment, if the wireless terminal supports 5G frequency ranges, but first association request frame comes from 2.4G frequency ranges, AP judges whether the number of wireless terminal being currently accessed is more than default Second Threshold and the wireless terminal Whether MAC Address is stored in AP memory cell, if it is, allowing the wireless terminal to be accessed with 2.4G frequency ranges.

If wherein it should be noted that the MAC Address of the wireless terminal is stored in AP memory cell, then it represents that should Wireless terminal is the wireless terminal for supporting 5G frequency ranges.

Because when the number of the wireless terminal of the support 5G frequency ranges accessed is more than default Second Threshold, illustrating 5G frequencies The flow burden of section saturation, then require that wireless terminal forces access 5G frequency ranges, has little significance, it should be allowed wireless terminal The request access of 2.4G frequency ranges.

If the number of the wireless terminal of the support 5G frequency ranges accessed is less than default Second Threshold, and single in storage The MAC Address of the wireless terminal can be found in member, illustrate the wireless terminal support 5G frequency ranges, and AP the 5G resources of frequency range still Access can be met, should now refuse the request access of the 2.4G frequency ranges of the wireless terminal, continue to wireless terminal transmission The second association request frame, just allow when receiving the second association request frame of 5G frequency ranges the wireless terminal access.Refer in particular to Go out, the second association request frame here refers to any association request frame received after the first association request frame.

Further, it is the association request frame that AP is not responding to wireless terminal at the beginning during refusal wireless terminal access AP, when When the number for receiving the association request frame of the wireless terminal reaches default first threshold, then Xie Guan is sent to the wireless terminal Join response frame, force the wireless terminal no longer to launch 2.4G frequency range association request frames, lure Radioterminal Transmit 5G frequency ranges into Association request frame.

In step s 106, when the wireless terminal leaves, search and delete the MAC Address of the wireless terminal.

In the present embodiment, wireless terminal leaves point normal leave and left with abnormal, normally leaves finger AP and receives wirelessly The de-association claim frame of terminal transmission, leaves and refers to any report that AP is not received by Radioterminal Transmit in predetermined period extremely Text.AP must send to the wireless terminal when wireless terminal normally leaves and exception leaves and leave response frame, if 5G The wireless terminal of frequency range leaves, then also needs to search and delete in Hash table the MAC Address of the wireless terminal.

In addition, be invariably present in prevent from not associating the wireless terminal for being only to scan AP in the Hash table of memory cell, AP can specify the cycle in, check Hash table in wireless terminal whether associated this AP, if the wireless terminal never with this AP was associated, then deleted the MAC Address of the wireless terminal, if the wireless terminal was associated with the AP, retained the wireless end The MAC Address at end.Exemplary, AP judges the nothing by detecting whether to receive the association request frame of wireless terminal transmission Whether line terminal associated with AP, if AP received the association request frame of the Radioterminal Transmit, then it represents that both Association was carried out, otherwise, represents that both did not associate.

The present embodiment, wireless access point AP is sentenced according to the probe request and the first association request frame of Radioterminal Transmit Whether the wireless terminal that breaks supports whether 5G frequency ranges and first association request frame come from 5G frequency ranges, if it is, Preferentially allow the wireless terminal to access, and come from the wireless terminal of 2.4G frequency ranges for the first association request frame, then refuse Access, until the second association request frame received just allows the wireless terminal to access when coming from 5G frequency ranges.Realize and allow double The wireless terminal priority access 5G frequency ranges of frequency, improve the utilization rate of 5G frequency ranges, mitigate the flow burden of 2.4G frequency ranges, improve The performance of WLAN.

Embodiment two

Fig. 2 shows the concrete structure block diagram for the WAP that the embodiment of the present invention two is provided, for convenience of description, only Show the part related to the embodiment of the present invention.In the present embodiment, the WAP 2 includes:Claim frame receiving unit 21st, the first judging unit 22, the second judging unit 23, the first Access Control unit 24 and the second Access Control unit 25.

Wherein, claim frame receiving unit 21, for wireless access point AP receive wireless terminal send probe request and First association request frame;

First judging unit 22, for judging whether the wireless terminal supports 5G frequency ranges according to the probe request;

Second judging unit 23, for judging whether first association request frame comes from 5G frequency ranges;

First Access Control unit 24, if supporting 5G frequency ranges and first association request frame for the wireless terminal Come from 5G frequency ranges, then allow the wireless terminal to access;

Second Access Control unit 25, if supporting 5G frequency ranges, but first association request for the wireless terminal Frame comes from 2.4G frequency ranges, then continues to the second association request frame that the wireless terminal is sent, until the described second association Frame just allows the wireless terminal to access when coming from 5G frequency ranges.

Further, the WAP also includes:

De-association response frame transmitting element, if for receiving the second association request frame that the wireless terminal is sent Number reaches default first threshold, then sends de-association response frame to the wireless terminal.

Further, the WAP also includes:

3rd Access Control unit, if the number of the wireless terminal of support 5G frequency ranges for being currently accessed the AP is big In default Second Threshold, then the wireless terminal is allowed to be accessed with 2.4G frequency ranges.

Further, the WAP also includes:

First MAC processing units, for when the wireless terminal leaves, searching and deleting the MAC of the wireless terminal.

Further, the WAP also includes:

2nd MAC processing units, within the cycle of specifying, detecting whether to receive the association that the wireless terminal is sent Claim frame, if it is not, then searching and deleting the MAC of the wireless terminal.

Radio access node provided in an embodiment of the present invention can be applied in foregoing corresponding embodiment of the method one, details Referring to the description of above-described embodiment one, it will not be repeated here.

It is worth noting that, in said system embodiment, included unit is simply drawn according to function logic Point, but above-mentioned division is not limited to, as long as corresponding function can be realized;In addition, each functional unit is specific Title is also only to facilitate mutually distinguish, the protection domain being not intended to limit the invention.

In addition, one of ordinary skill in the art will appreciate that realizing all or part of step in the various embodiments described above method It can be by program to instruct the hardware of correlation to complete, corresponding program can be stored in embodied on computer readable storage Jie In matter, described storage medium, such as ROM/RAM, disk or CD.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.

Claims (8)

1. a kind of method for controlling wireless terminal access, it is characterised in that methods described includes:
Wireless access point AP receives the probe request and the first association request frame that wireless terminal is sent;
Judge whether the wireless terminal supports 5G frequency ranges according to the probe request;
Judge whether first association request frame comes from 5G frequency ranges;
If the wireless terminal supports 5G frequency ranges and first association request frame comes from 5G frequency ranges, allow described wireless Terminal is accessed;
If the wireless terminal supports 5G frequency ranges, but first association request frame comes from 2.4G frequency ranges, then continues to The second association request frame that the wireless terminal is sent, until second disassociation frame just allows the nothing when coming from 5G frequency ranges Line terminal is accessed;
Wherein, if supporting 5G frequency ranges in the wireless terminal, but first association request frame comes from 2.4G frequency ranges Afterwards, in addition to:
If the number for receiving the second association request frame that the wireless terminal is sent reaches default first threshold, to institute State wireless terminal and send de-association response frame.
2. the method as described in claim 1, it is characterised in that if supporting 5G frequency ranges, but institute in the wireless terminal State after the first association request frame comes from 2.4G frequency ranges, in addition to:
If the number for being currently accessed the wireless terminal of the support 5G frequency ranges of the AP is more than default Second Threshold, allow institute Wireless terminal is stated to access with 2.4G frequency ranges.
3. the method as described in claim 1, it is characterised in that methods described also includes:
When the wireless terminal leaves, the MAC of the wireless terminal is searched and deleted.
4. the method as described in claim 1, it is characterised in that the probe request sent in the reception wireless terminal it Afterwards, in addition to:
Within the cycle of specifying, detect whether to receive the association request frame that the wireless terminal is sent, if it is not, then searching and deleting Except the MAC of the wireless terminal.
5. a kind of WAP, it is characterised in that the WAP includes:
Claim frame receiving unit, probe request and the first association request that wireless terminal is sent are received for wireless access point AP Frame;
First judging unit, for judging whether the wireless terminal supports 5G frequency ranges according to the probe request;
Second judging unit, for judging whether first association request frame comes from 5G frequency ranges;
First Access Control unit, if supporting 5G frequency ranges and first association request frame to come from for the wireless terminal 5G frequency ranges, then allow the wireless terminal to access;
Second Access Control unit, if 5G frequency ranges are supported for the wireless terminal, but first association request frame comes from In 2.4G frequency ranges, then the second association request frame that the wireless terminal is sent is continued to, until second disassociation frame comes from The wireless terminal is just allowed to access when 5G frequency ranges;
Wherein, the WAP also includes:
De-association response frame transmitting element, if the number for receiving the second association request frame that the wireless terminal is sent Default first threshold is reached, then sends de-association response frame to the wireless terminal.
6. WAP as claimed in claim 5, it is characterised in that the WAP also includes:
3rd Access Control unit, if the number of the wireless terminal of support 5G frequency ranges for being currently accessed the AP be more than it is pre- If Second Threshold, then allow the wireless terminal with 2.4G frequency ranges access.
7. WAP as claimed in claim 5, it is characterised in that the WAP also includes:
First MAC processing units, for when the wireless terminal leaves, searching and deleting the MAC of the wireless terminal.
8. WAP as claimed in claim 5, it is characterised in that the WAP also includes:
2nd MAC processing units, within the cycle of specifying, detecting whether to receive the association request that the wireless terminal is sent Frame, if it is not, then searching and deleting the MAC of the wireless terminal.
CN201210460423.2A 2012-11-15 2012-11-15 A kind of method for controlling wireless terminal to access and WAP CN103813410B (en)

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CN104822168B (en) * 2015-04-22 2019-02-05 深圳市信锐网科技术有限公司 The bootstrap technique and device of wireless terminal frequency range switching
CN106455011A (en) * 2016-11-24 2017-02-22 上海迈外迪网络科技有限公司 AP accessing method and apparatus
CN106550428A (en) * 2016-12-09 2017-03-29 普联技术有限公司 Method and system for customer premise equipment (CPE) to establish connection with base station, CPE, and mobile terminal
CN106851627A (en) * 2017-02-17 2017-06-13 深圳云盈网络科技有限公司 A kind of frequency spectrum air navigation aid and system
CN106954237A (en) * 2017-05-25 2017-07-14 青岛海信宽带多媒体技术有限公司 A kind of Wi Fi frequency band adaptives changing method and device

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US7206297B2 (en) * 2003-02-24 2007-04-17 Autocell Laboratories, Inc. Method for associating access points with stations using bid techniques
CN1277379C (en) * 2003-05-23 2006-09-27 联想(北京)有限公司 Communication system and method based on relevant WLAN
CN102006653B (en) * 2009-08-28 2014-02-19 华为技术有限公司 Access control method and access point (AP)
CN102404794A (en) * 2011-11-28 2012-04-04 福建星网锐捷网络有限公司 Method, equipment and network for load balancing based on frequency band in wireless local area network

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