CN103096344B - A kind of method and apparatus detecting access point - Google Patents
A kind of method and apparatus detecting access point Download PDFInfo
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- CN103096344B CN103096344B CN201110340095.8A CN201110340095A CN103096344B CN 103096344 B CN103096344 B CN 103096344B CN 201110340095 A CN201110340095 A CN 201110340095A CN 103096344 B CN103096344 B CN 103096344B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
Abstract
The embodiment of the present invention provides a kind of method detecting access point, relates to wireless communication field, can realize the quick detection of access point.Described method comprises: receive the management frames that access point sends; The detection to access point is completed according to the management frames of described reception; Wherein, described management frames is the beacon frame of probe response frame and/or access point periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture.The present invention also provides a kind of device detecting access point.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to a kind of method and apparatus detecting AP.
Background technology
BSS (Basic Service Set, Basic Service Set) be WLAN (Wireless Local AreaNetworks, WLAN) element, by multiple have certain association STA (Station, STA) form.Multiple BSS is interconnected composition ESS (Extended Service Set, extended service set) by distributed system.AP (Access point, AP) is the core STA of full-time administrative BSS in BSS network, and other STA in BSS are associated with AP.
In a wireless communication environment, STA, before becoming the member of certain BSS, first needs to scan, and namely detects to find that BSS also obtains the attribute be associated with this BSS to the core STAAP of BSS.By scanning, STA can detect the existence of AP, thus learns the attribute of BSS belonging to it.
In application 802.11 agreement, especially in the scene of application 802.11ai agreement, the STA under AP covers may explosively occur, namely carve now a large amount of STA in the some time and require associated AP, now, STA can consume the plenty of time and detect AP, cannot realize the quick detection of AP.
Summary of the invention
The invention provides a kind of method and apparatus detecting AP, the quick detection of AP can be realized.
On the one hand, a kind of method detecting AP is provided, comprises:
Receive the management frames that AP sends;
The detection to AP is completed according to the management frames of described reception;
Wherein, described management frames is the beacon frame of probe response frame and/or AP periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture.
On the other hand, a kind of method detecting AP is provided, comprises:
Management frames is sent to scanning STA;
Wherein, described management frames is the beacon frame of probe response frame and/or periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture.
On the other hand, a kind of device detecting AP is provided, comprises:
Receiving element, for receiving the management frames that AP sends;
Probe unit, for completing the detection to AP according to the management frames of described reception;
Wherein, described management frames is the beacon frame of probe response frame and/or AP periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture.
On the other hand, a kind of AP is provided, comprises:
Transmitting element, for sending management frames to scanning STA;
Wherein, described management frames is the beacon frame of probe response frame and/or periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture.
After adopting technique scheme, the method and apparatus of the detection AP that the embodiment of the present invention provides, STA receives the management frames that AP sends, wherein, described management frames is the beacon frame of probe response frame and/or periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture, so, STA is by receiving the probe response frame of broadcast, the probe response frame of clean culture, at least one in beacon detects AP, the probe response frame of clean culture is received only relative to tradition, STA both can detect the probe response frame of clean culture, probe response frame and the beacon frame of broadcast can also be detected, within the unit interval, considerably increase the probability detecting the mac frame comprising BB S attribute information, thus, effectively shorten the time detecting AP, therefore, achieve the quick detection to AP.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The flow chart of one embodiment of the method for the detection AP that Fig. 1 provides for the embodiment of the present invention;
The structured flowchart of one embodiment of the device of the detection AP that Fig. 2 provides for the embodiment of the present invention;
The structured flowchart of another embodiment of the device of the detection AP that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme of the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of protection of the invention.
The flow chart of the method for the detection AP that Fig. 1 provides for the embodiment of the present invention, as shown in Figure 1, the method for the present embodiment detection AP, based on STA, comprising:
S11, receives the management frames that AP sends; Wherein, described management frames is the beacon frame of probe response frame and/or AP periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture;
S12, completes the detection to AP according to the management frames of described reception.
Specifically, service set information is included in described management frames, after STA receives management frames, if described management frames satisfies condition: the SSID namely comprised in described management frames is asterisk wildcard SSID or matches with the SSID of ESSID, and BSSID is asterisk wildcard BSSID, then management frames described in buffer memory, completes the detection to the AP sending described management frames.
The method of the detection AP that the embodiment of the present invention provides, STA receives the management frames that AP sends, wherein, described management frames is the beacon frame of probe response frame and/or periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture, so, STA is by receiving the probe response frame of broadcast, the probe response frame of clean culture, at least one in beacon detects AP, the probe response frame of clean culture is received only relative to tradition, STA both can detect the probe response frame of clean culture, probe response frame and the beacon frame of broadcast can also be detected, within the unit interval, considerably increase the probability detecting the mac frame comprising BBS attribute information, thus, effectively shorten the time detecting AP, therefore, achieve the quick detection to AP.
Alternatively, in one embodiment of this invention, receive the management frames of AP transmission in S11 step before, described method also can comprise:
Send probe request frame to AP, to make described AP according to described probe request frame, broadcast the probe response frame corresponding with described probe request frame.
So, AP adopts broadcast mode after receiving probe request frame, the mode of unicast adopted after receiving probe request frame relative to traditional AP, can magnify the reception object of probe response frame, contributes to other STA and finds AP by the probe response frame of this broadcast of detection.
Specific aim is had more for making AP broadcasts probes response frame, broadcast indication information can be added in probe request frame, described broadcast indication information instruction AP, after receiving probe request frame, adopts the mode of broadcast to send the probe response frame corresponding with probe request frame.Thus, alternatively, in another embodiment of the invention, described to AP transmission probe request frame, to make described AP according to described probe request frame, the broadcast probe response frame corresponding with the probe request frame of described reception can specifically comprise:
Send probe request frame to AP, described probe request frame includes broadcast indication information, to make described AP according to described broadcast indication information, and broadcasts probes response frame.
Wherein, described broadcast indication information can be contained in the meaningless field of probe request frame, and for example, described broadcast indication information can be contained in more burst fields of described probe request frame frame head or more data field; Or described broadcast indication information can be contained in the information element of described probe request frame frame.
The method of detection AP provided by the invention, can at least provide the scan pattern of two types to detect AP: enhancement mode active scan mode, enhancement mode drive sweep pattern.
When STA is in enhancement mode drive sweep pattern, at least one in the probe response frame that STA broadcasts by detecting, the probe response frame of clean culture, beacon frame detects AP.Wherein, beacon frame is by AP periodic broadcasting.When STA is in enhancement mode drive sweep pattern, except the beacon frame by detecting AP periodic broadcasting detects except AP, the probe response frame of also broadcasting because AP responds probe request frame that other STA send by detecting or the probe response frame of broadcast and clean culture and detect AP, like this, STA is by the frame of this two type of detecting, considerably increase the probability detecting the mac frame comprising BSS attribute information, the quick detection of AP can be realized.
When STA is in enhancement mode active scan mode, STA sends probe request frame to AP, to make described AP according to described probe request frame, broadcast the probe response frame corresponding with the probe request frame of described reception, preferably, when being in this pattern, in probe request frame, add broadcast indication information, when receiving probe request frame to make AP, carry out broadcasts probes response frame according to described broadcast indication information; At least one in the probe response frame that STA is broadcasted by detecting, the probe response frame of clean culture, beacon frame detects AP.
Specifically, after STA sends probe response frame, AP sends corresponding probe response frame.For this STA, described probe response frame can be subdivided into following Four types: respond the probe request frame of this STA and the probe response frame of clean culture, respond other STA probe request frame and the probe response frame of clean culture, respond this STA probe request frame and the probe response frame of broadcasting, respond other STA probe request frame and the probe response frame of broadcasting.When AP is when using the legacy version AP of prior art, probe response frame is unicast fashion, and when AP uses redaction AP provided by the invention, probe response frame is the forms of broadcasting.
It is emphasized that no matter STA adopts enhancement mode active scan mode, or enhancement mode drive sweep pattern, all by least one in the probe response frame of the probe response frame of detecting broadcast, clean culture, beacon frame to detect AP.
The method of the detection AP that the embodiment of the present invention provides, STA has at least two kinds of adoptable scan mode types, such as, there is enhancement mode active scan mode and enhancement mode drive sweep pattern, certainly, in addition, also can have other extra scan mode types, the present invention does not limit this.
For example, in one embodiment of this invention, the adoptable scan mode types of STA, except enhancement mode active scan mode and enhancement mode drive sweep pattern, also can comprise active scan mode and drive sweep pattern;
STA have the initiative scan pattern time, STA sends probe request frame to AP; STA detects AP by the probe response frame of detecting AP clean culture.
When STA is in drive sweep pattern, STA is by detecting the beacon frame of AP periodic broadcasting to detect AP.
In above-described embodiment, the adoptable scan pattern of STA comprises following four kinds of scan patterns, be respectively enhancement mode active scan mode, enhancement mode drive sweep pattern, active scan mode, drive sweep pattern, wherein latter two scan pattern is identical with drive sweep pattern with active scan mode of the prior art.Thus, both the compatibility to existing scan pattern had been achieved, needing quick detection in the application scenarios of AP simultaneously, as in application 802.11 agreement, especially in the scene of application 802.11ai agreement, by using two kinds of newly-increased scan patterns, saving the detection time of AP, achieving the quick detection of AP.
In sum, the method for detection AP provided by the invention, can provide the scan pattern of Four types to detect AP: enhancement mode active scan mode, enhancement mode drive sweep pattern, active scan mode and drive sweep pattern.Specific implementation, realizing by increasing scanning enhancing parameter on the basis of original scanning primitive, such as, reading sweep parameter, to determine that adopted scan mode types is for active scan or drive sweep; Read scanning and strengthen parameter, to determine whether adopted scan mode types is enhancement type scanning pattern.
Wherein, described sweep parameter is the parameter determining to scan as active scan or drive sweep, can determine that scan pattern is active scan or drive sweep by reading described sweep parameter, and scanning strengthens parameter instruction active scan mode or whether drive sweep pattern strengthens.
The embodiment of the present invention strengthens parameter by sweep parameter and scanning and carrys out beacon scanning mode type, namely in existing scanning primitive, whether extra increase by scanning enhancing parameter indicates active or drive sweep pattern to strengthen, and this scanning enhancing parameter can realize the instruction to the four kinds of scan patterns proposed in the embodiment of the present invention in conjunction with described sweep parameter.Specific implementation can be, for example, for sweep parameter by set this parameter be active to indicate active scan mode, setting this parameter is that passive is to indicate drive sweep pattern.Strengthening parameter by setting this parameter for scanning is 1 be in enhancement type scanning pattern indicate active scan or drive sweep, is 0 indicate active scan or drive sweep as generally scanning by setting this parameter.Certainly this two parameter also can adopt other implementations, and the present invention is not construed as limiting this.
Correspondingly, the embodiment of the present invention also provides a kind of method detecting AP, based on AP, comprising:
Management frames is sent to scanning STA;
Wherein, described management frames is the beacon frame of probe response frame and/or periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture.
The method of the detection AP that the embodiment of the present invention provides, AP sends management frames to scanning STA, wherein, described management frames is the beacon frame of probe response frame and/or periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture, so, STA is by receiving the probe response frame of broadcast, the probe response frame of clean culture, at least one in beacon detects AP, the probe response frame of clean culture is received only relative to tradition, STA both can detect the probe response frame of clean culture, probe response frame and the beacon frame of broadcast can also be detected, within the unit interval, considerably increase the probability detecting the mac frame comprising BBS attribute information, thus, effectively shorten the time detecting AP, therefore, achieve the quick detection to AP.
Further, described before scanning STA transmission management frames, described method also comprises:
Receive the probe request frame that scanning STA sends;
Described to scanning STA send management frames specifically comprise:
Broadcast the probe response frame corresponding with the probe request frame of described reception.
The embodiment of the present invention, if AP determines that STA is after receiving probe request frame, broadcast the probe response frame corresponding with the probe request frame of described reception, so, relative to traditional mode of unicast, the reception object of probe response frame can be magnified, contribute to other STA and find AP by the probe response frame of this broadcast of detection.Therefore, the time that STA waits for probe response frame can be shortened, realize the quick detection of STA to AP.
Further, broadcast indication information can be included in described probe request frame, described broadcast indication information instruction AP sends probe response frame in a broadcast manner, wherein, alternatively, described broadcast indication information can be contained in the meaningless field of probe request frame, and such as, described broadcast indication information is contained in more burst fields of described probe request frame frame head or more data field; Or described broadcast indication information is contained in the information element of described probe request frame frame.
Now, the probe response frame that described broadcast is corresponding with the probe request frame of described reception can specifically comprise:
According to the broadcast indication information that described probe request frame comprises, broadcast the probe response frame corresponding with the probe request frame of described reception.
Specifically, the scan mode types adopted at STA is enhancement mode active scan mode, when sending to AP the probe request frame carrying broadcast indication information, described AP can broadcast the probe response frame corresponding with the probe request frame of described reception according to the broadcast indication information in probe request frame, so, relative to traditional mode of unicast, the reception object of probe response frame can be magnified, contribute to other STA and find AP by the probe response frame of this broadcast of detection.Therefore, can shorten in enhancement mode active scan mode the time that STA waits for probe response frame, realize the quick detection of STA to AP.
For understanding the technical scheme of the method for the detection AP that the embodiment of the present invention provides better, be described in further detail below by the method for specific embodiment to the detection AP that the embodiment of the present invention provides.
In the present embodiment, the scan mode types that STA can adopt comprises following Four types: enhancement mode active scan mode, enhancement mode drive sweep pattern, active scan mode, drive sweep pattern.The method of the detection AP of the present embodiment comprises:
Step 1, need detection AP time, SME (the Station Management Entity of STA, STA management entity) layer is to MLME (MAC Sublayer Management Entity, layer management entity under medium access control) layer transmission scan request primitive, sweep parameter is comprised in described scan request primitive, be used to indicate scan pattern and such as SSID (the Service SetIdentifier of STA, service set identifiers) etc., and comprise a newly-increased scanning and strengthen parameter, whether the scan pattern being used to indicate STA strengthens.
Step 2, STA read sweep parameter, to determine that adopted scan mode types is for active scan or drive sweep; Read scanning and strengthen parameter, to determine whether adopted scan mode types is enhancement type scanning pattern.
Step 3, STA carries out AP detection according to determined scan mode types.
In the present embodiment, scan pattern comprises enhancement mode active scan mode, enhancement mode drive sweep pattern, active scan mode, drive sweep pattern.Each scan mode types is adopted to be described in detail to this step with regard to STA below:
If STA determines to adopt enhancement mode active scan mode, this step specifically comprises:
Step 3-11, to sound out expire or receive physical layer time of delay and receive and start after primitive in wait, STA starts to scan certain channel.
Step 3-12, STA follow basic access mechanism, to AP broadcast or clean culture probe request frame, in the mac frame body or mac frame head of described probe request frame, carry SSID and BSSID (the Basic Service Set Identifier that request primitive provides simultaneously, basic service set identifiers) etc. information, and broadcast indication information, wherein, described broadcast indication information indicates to AP, probe request person STA is in enhancement mode active scan mode, and requires that AP broadcasts corresponding probe response frame.Described broadcast indication information for example can be arranged in more burst fields of newly-designed information element or mac frame head or retry field in frame.Simultaneously start detection timer, described time initialized be 0.
After step 3-13, AP receive probe response frame, if satisfied condition just send corresponding probe response frame according to the broadcast indication information comprised in probe request frame with the form of broadcast.Described condition can be: SSID is asterisk wildcard SSID or matches with the SSID of ESS, and BSSID is the BSSID for asterisk wildcard BSSID or this AP.
Step 3-14, be in described enhancement mode active scan mode STA when detecting timer and reaching minimum channel time of intercept, if also do not receive physical layer to intercept indication, then transfer step 3-16 to.Otherwise resolve that occur on this channel, the broadcast of mailing to this STA or the clean culture of mailing to this STA probe response frame, alternatively, also can resolve the beacon frame occurred on this channel, for realizing the quick detection of AP, preferably, resolve the probe response frame of the beacon frame occurred on this channel and broadcast and clean culture simultaneously.If SSID meets the demands, then the information of this probe response frame of buffer memory and/or beacon frame.
Step 3-15, when detection timer reach maximum channel time of intercept, then terminate the scanning of this channel.
Step 3-16, NAV (Network Allocation Vector, network allocation vector)=0 is set, and scans next channel.
If STA determines to adopt enhancement mode drive sweep pattern, this step specifically comprises:
Step 3-21, receive and start after primitive receiving physical layer, start to scan certain channel;
Step 3-22, all beacon frames of intercepting the appearance of this channel and probe response frame, and resolve the information of described frame, wherein, described probe response frame can be the probe response frame of clean culture, also can be the probe response frame of broadcast, if wherein comprised SSID meets the demands, then the information of this beacon frame of buffer memory and/or probe response frame frame.
Step 3-23, when reaching maximum channel time of intercept the sweep time for this channel, then terminating the scanning of this channel, starting the scanning carrying out next channel.
If when STA determines to adopt active scan mode, this step specifically comprises:
Step 3-31, to sound out in wait and expire or receive physical layer time of delay and receive and start after primitive, start to scan certain channel.
Step 3-32, STA follow basic access mechanism, send probe request frame to AP, carry the information such as SSID and BSSID that request primitive provides in mac frame body or mac frame head simultaneously.Meanwhile, start detection timer, described time initialized be 0.
After step 3-33, AP receive probe response frame, if satisfied condition: SSID is that the SSID of asterisk wildcard SSID or ESS matches, and BSSID is the BSSID for asterisk wildcard BSSID or this AP, then to the corresponding probe response frame of probe request person's clean culture.
The STA of step 3-34, the scan pattern that has the initiative, when detecting timer and reaching minimum channel time of intercept, if also do not receive physical layer interception confirming primitive, then transfers step 3-36 to.Otherwise resolve clean culture probe response frame that occur on this channel, that mail to this STA, and the information of this probe response frame of buffer memory.
Step 3-35, when detection timer reach maximum channel time of intercept, then terminate the scanning of this channel.
Step 3-36, NAV=0 is set, and scans next channel.
If when STA determines to adopt drive sweep pattern, this step specifically comprises:
Step 3-41, receive and start after primitive receiving physical layer, start to scan certain channel;
Step 3-42, intercept all beacon frames that channel occurs, and resolve the information of described beacon frame, if wherein comprised SSID meets the demands, then the information of this beacon frame of buffer memory.
Step 3-43, when reaching maximum channel time of intercept the sweep time for this channel, then terminating the scanning of this channel, starting the scanning carrying out subsequent channels.
Step 4, when all channels indicated in probe request primitive are all scanned, scanning is obtained AP information fusion and confirms primitive to scanning by the MLME layer of STA, and passes to the SME layer of STA, the end of scan.
The present embodiment is on the basis of traditional active scan and drive sweep two scan patterns, two scan patterns are newly increased, wherein, in enhancement mode active scan mode, the probe request frame carrying broadcast indication information is sent to AP, make AP after receiving described probe request frame according to described broadcast indication information, broadcast corresponding probe response frame, so, relative to traditional mode of unicast, the reception object of probe response frame can be magnified, contribute to other STA and detect the probe response frame discovery AP broadcasted by this.On the other hand, in described enhancement mode active scan mode, STA both can detect the probe response frame of broadcast and clean culture, can also beacon frame be detected, within the unit interval, considerably increase the probability detecting the mac frame comprising BBS attribute information, thus, effectively shorten the time detecting AP, therefore, achieve the quick detection to AP.And in enhancement mode drive sweep pattern, by detecting broadcasts probes response frame and beacon frame, within the unit interval, considerably increase the probability detecting the mac frame comprising BSS attribute information, also can realize the quick detection to AP.
Especially, it should be noted that, the present invention detects the embodiment of the method for AP, when STA is in enhancement mode active scan mode, STA is when sending probe request frame, both can comprise the broadcast indication information that instruction AP sends probe response frame in a broadcast manner in described probe request frame, certainly in described probe request frame, also can not comprise described broadcast indication information.
When comprising described broadcast indication information in probe request frame, detect AP by detection probe response frame or probe response frame and beacon frame, wherein said probe response frame can for respond other STA carry broadcast indication information probe request frame and broadcast probe response frame, respond this STA carry broadcast indication information probe request frame and broadcast probe response frame, respond this STA probe request frame and clean culture probe response frame, respond other STA probe request frame and clean culture probe response frame at least one.
When not comprising described broadcast indication information in probe request frame, also AP is detected by detecting probe response frame or probe response frame and beacon frame, now, described probe response frame can for respond other STA carry broadcast indication information probe request frame and broadcast probe response frame, respond this STA probe request frame and clean culture probe response frame, respond other STA probe request frame and clean culture probe response frame at least one.
Corresponding with the method that the present invention detects AP, in addition, the embodiment of the present invention also provides a kind of device detecting AP, as shown in Figure 2, comprising:
Receiving element 21, for receiving the management frames that AP sends; Wherein, described management frames is the beacon frame of probe response frame and/or AP periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture.
Probe unit 22, the management frames for receiving according to described receiving element 21 completes the detection to AP.
The device of the detection AP that the embodiment of the present invention provides, receiving element 21 receives the management frames that AP sends, wherein, described management frames is the beacon frame of probe response frame and/or periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture, the probe response frame of the broadcast that probe unit 22 receives by receiving element 21, the probe response frame of clean culture, at least one in beacon detects AP, so, the probe response frame of clean culture is received only relative to tradition, STA both can detect the probe response frame of clean culture, probe response frame and the beacon frame of broadcast can also be detected, within the unit interval, considerably increase the probability detecting the mac frame comprising BBS attribute information, thus, effectively shorten the time detecting AP, therefore, achieve the quick detection to AP.
Alternatively, in one embodiment of this invention, as shown in Figure 3, described device also comprises:
Transmitting element 23, for receive management frames that AP sends at receiving element 21 before, sends probe request frame to AP, to make described AP according to described probe request frame, broadcasts the probe response frame corresponding with described probe request frame.
Alternatively, in one embodiment of this invention, described transmitting element 23 specifically for:
Send probe request frame to AP, described probe request frame includes broadcast indication information, to make described AP according to described broadcast indication information, and broadcasts probes response frame.
Further, described broadcast indication information is contained in more burst fields of described probe request frame frame head or more data field; Or described broadcast indication information is contained in the information element of described probe request frame frame.
Corresponding with the method that the present invention detects AP, in addition, the embodiment of the present invention also provides a kind of AP, comprising:
Transmitting element, for sending management frames to scanning STA;
Wherein, described management frames is the beacon frame of probe response frame and/or periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture.
A kind of AP that the embodiment of the present invention provides, transmitting element sends management frames to scanning STA, wherein, described management frames is the beacon frame of probe response frame and/or periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture, scanning STA is by the probe response frame of detecting broadcast, the probe response frame of clean culture, at least one in beacon detects AP, so, the probe response frame of clean culture is received only relative to tradition, STA both can detect the probe response frame of clean culture, probe response frame and the beacon frame of broadcast can also be detected, within the unit interval, considerably increase the probability detecting the mac frame comprising BBS attribute information, thus, effectively shorten the time detecting AP, therefore, achieve the quick detection to AP.
Alternatively, in one embodiment of this invention, described AP, except comprising transmitting element, also comprises:
Receiving element, for receiving the probe request frame that scanning STA sends;
Described transmitting element specifically for:
According to the probe request frame that receiving element receives, broadcast the probe response frame corresponding with the probe request frame of described reception.
Further, broadcast indication information is included in described probe request frame;
Described transmitting element specifically for:
According to the broadcast indication information comprised in described probe request frame, broadcast the probe response frame corresponding with the probe request frame of described reception.
Further, described broadcast indication information is contained in more burst fields of described probe request frame frame head or more data field; Or described broadcast indication information is contained in the information element of described probe request frame frame.
One of ordinary skill in the art will appreciate that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, and described storage medium can be read-only memory, disk or CD etc.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (16)
1. detect a method for access point, it is characterized in that, comprising:
Receive the management frames that access point sends; Wherein, described management frames is probe response frame, or described management frames is the beacon frame of described probe response frame and access point periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture;
The detection to access point is completed according to the management frames of described reception.
2. method according to claim 1, is characterized in that,
Before the management frames that described reception access point sends, described method also comprises:
Send probe request frame to access point, to make described access point according to described probe request frame, broadcast the probe response frame corresponding with described probe request frame.
3. method according to claim 2, is characterized in that,
Described to access point transmission probe request frame, to make described access point according to described probe request frame, the broadcast probe response frame corresponding with described probe request frame comprises:
Send probe request frame to access point, described probe request frame includes broadcast indication information, to make described access point according to described broadcast indication information, and broadcasts probes response frame.
4. method according to claim 3, is characterized in that,
Described broadcast indication information is contained in more burst fields of described probe request frame frame head or more data field; Or
Described broadcast indication information is contained in the information element of described probe request frame frame.
5. detect a method for access point, it is characterized in that, comprising:
To scanning website sending tube reason frame;
Wherein, described management frames is probe response frame, or described management frames is the beacon frame of described probe response frame and periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture.
6. method as claimed in claim 5, is characterized in that,
Described before scanning website sending tube reason frame, described method also comprises:
Receive the probe request frame that scanning website sends;
Describedly to comprise to scanning website sending tube reason frame:
Broadcast the probe response frame corresponding with the probe request frame of described reception.
7. method as claimed in claim 6, is characterized in that,
Broadcast indication information is included in described probe request frame;
The described broadcast probe response frame corresponding with the probe request frame of described reception comprises:
According to the broadcast indication information comprised in described probe request frame, broadcast the probe response frame corresponding with the probe request frame of described reception.
8. method according to claim 7, is characterized in that,
Described broadcast indication information is contained in more burst fields of described probe request frame frame head or more data field; Or
Described broadcast indication information is contained in the information element of described probe request frame frame.
9. detect a device for access point, it is characterized in that, comprising:
Receiving element, for receiving the management frames that access point sends; Wherein, described management frames is probe response frame, or described management frames is the beacon frame of described probe response frame and access point periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture;
Probe unit, the management frames for receiving according to described receiving element completes the detection to access point.
10. device according to claim 9, is characterized in that,
Described device also comprises:
Transmitting element, for before the management frames of receiving element reception access point transmission, sends probe request frame to access point, to make described access point according to described probe request frame, broadcasts the probe response frame corresponding with described probe request frame.
11. devices according to claim 10, is characterized in that,
Described transmitting element specifically for:
Send probe request frame to access point, described probe request frame includes broadcast indication information, to make described access point according to described broadcast indication information, and broadcasts probes response frame.
12. devices according to claim 11, is characterized in that,
Described broadcast indication information is contained in more burst fields of described probe request frame frame head or more data field; Or
Described broadcast indication information is contained in the information element of described probe request frame frame.
13. 1 kinds of access points, is characterized in that, comprising:
Transmitting element, for managing frame to scanning website sending tube;
Wherein, described management frames is probe response frame, or described management frames is the beacon frame of described probe response frame and periodic broadcasting, and described probe response frame comprises the probe response frame of broadcast, the probe response frame of clean culture.
14. access points as claimed in claim 13, it is characterized in that, described access point also comprises:
Receiving element, for receiving the probe request frame that scanning website sends;
Described transmitting element specifically for:
According to the probe request frame that described receiving element receives, broadcast the probe response frame corresponding with the probe request frame of described reception.
15. access points as claimed in claim 14, is characterized in that,
Broadcast indication information is included in described probe request frame;
Described transmitting element specifically for:
According to the broadcast indication information comprised in described probe request frame, broadcast the probe response frame corresponding with the probe request frame of described reception.
16. access points according to claim 15, is characterized in that,
Described broadcast indication information is contained in more burst fields of described probe request frame frame head or more data field; Or
Described broadcast indication information is contained in the information element of described probe request frame frame.
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| CN201110340095.8A CN103096344B (en) | 2011-11-01 | 2011-11-01 | A kind of method and apparatus detecting access point |
| PCT/CN2012/078905 WO2013063956A1 (en) | 2011-11-01 | 2012-07-20 | Method and device for detecting access point |
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| CN201110340095.8A CN103096344B (en) | 2011-11-01 | 2011-11-01 | A kind of method and apparatus detecting access point |
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| CN103096344B true CN103096344B (en) | 2015-09-23 |
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| WO2015081518A1 (en) * | 2013-12-04 | 2015-06-11 | 华为技术有限公司 | Management frame sending processing method and system |
| WO2017206086A1 (en) * | 2016-05-31 | 2017-12-07 | 华为技术有限公司 | Access point discovery method and apparatus |
| CN106231634A (en) * | 2016-07-15 | 2016-12-14 | 北京元心科技有限公司 | Message sending and receiving method and device |
| CN106507394B (en) * | 2016-11-15 | 2021-04-09 | 新华三技术有限公司 | Data sending method, data receiving method, electronic equipment and access point |
| CN112752285B (en) * | 2020-09-27 | 2022-04-29 | 利尔达科技集团股份有限公司 | Sniffing copy control equipment and method for Wi-SUN network test |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101331439A (en) * | 2005-11-04 | 2008-12-24 | 诺基亚公司 | Flexible multicast and/or broadcast listening intervals |
| US7676218B2 (en) * | 2002-08-02 | 2010-03-09 | Symbol Technologies, Inc. | System and method for detection of a rouge wireless access point in a wireless communication network |
| CN101682539A (en) * | 2007-06-01 | 2010-03-24 | Lg电子株式会社 | Scanning procedure in wireless lan, station supporting the same, and frame format therefor |
-
2011
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7676218B2 (en) * | 2002-08-02 | 2010-03-09 | Symbol Technologies, Inc. | System and method for detection of a rouge wireless access point in a wireless communication network |
| CN101331439A (en) * | 2005-11-04 | 2008-12-24 | 诺基亚公司 | Flexible multicast and/or broadcast listening intervals |
| CN101682539A (en) * | 2007-06-01 | 2010-03-24 | Lg电子株式会社 | Scanning procedure in wireless lan, station supporting the same, and frame format therefor |
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