CN106793024A - The method and wireless device of a kind of wireless device response wireless terminal - Google Patents
The method and wireless device of a kind of wireless device response wireless terminal Download PDFInfo
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- CN106793024A CN106793024A CN201611068380.8A CN201611068380A CN106793024A CN 106793024 A CN106793024 A CN 106793024A CN 201611068380 A CN201611068380 A CN 201611068380A CN 106793024 A CN106793024 A CN 106793024A
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- Prior art keywords
- probe request
- message
- module
- wireless terminal
- request message
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses the method and wireless device of a kind of wireless device response wireless terminal, including：Step S10 receives and parses through the probe request message of wireless terminal transmission when in energy saver mode；Whether step S30 judges carry specified services set identifier in the probe request message, if so, then performing step S60；Probing response frame message is sent to the wireless terminal by step S60.Wireless device of the invention remains the function of actively sending beacon frame message, and it has two kinds of mode of operations, when it is in saving operation mode, only probing response frame message purposefully can be sent to qualified wireless terminal, the number of times that wireless device sends probing response frame message is reduced, the purpose of wireless device sending power consumption is reduced so as to reach.
Description
Technical field
Respond the method for wireless terminal and wirelessly set the present invention relates to wireless communication field, more particularly to a kind of wireless device
It is standby.
Background technology
With the development of internet and wireless network, the application of wireless WIFI is more and more universal, and wireless WIFI signal is present
Two kinds of scan patterns：Active scan and drive sweep.Active scan refers to that substantial amounts of probe requests thereby is actively sent by wireless terminal
Frame (probe request frames) message removes detection wireless signal, after wireless device receives probe request frames, can be anti-
Present probing response frame (probe response frames) message and carry SSID (the Service Set of wireless network
Identifier, service set) etc. relevant information.Drive sweep refers to the letter that wireless terminal passively listens wireless device transmission
Mark frame (beacon frames) message, and obtain the SSID of wireless network.Two kinds of wireless signal scan modes, as long as wireless terminal can
It is sufficient that obtaining wireless signal information by a kind of mode, two kinds are supported or cause certain wasting of resources simultaneously.
Existing scheme is to give up drive sweep mode or increases the transmission cycle duration of beacon frame messages, so
The purpose for reducing power consumption can to a certain extent be reached.But can there is problem in this scheme, wireless terminal is by actively sweeping
The mode of retouching sends probe request frame messages, and to have certain time interval (many to send several frequencies using every 1 minute
Rate), the time interval may be long.This results in wireless terminal scan for wireless signals difficulty, may be after a while
Could scan and arrive, so as to reduce the experience of user.
The content of the invention
It is an object of the invention to provide the method and wireless device of a kind of wireless device response wireless terminal, both ensured wireless
Terminal can easily scan wireless signal, it is also possible to reach the purpose for reducing power dissipation of radio equipment, substantially increase user
Experience.
The technical scheme that the present invention is provided is as follows：
A kind of method that wireless device responds wireless terminal, including：Step S10 is received and solved when in energy saver mode
The probe request message that analysis wireless terminal sends；Whether step S30 judges carry specified clothes in the probe request message
Business set identifier, if so, then performing step S60；Probing response frame message is sent to the wireless terminal by step S60.
In the above-mentioned technical solutions, by adjusting the mode of operation of wireless device, make wireless device only by probing response frame
Message is sent in probe request message the wireless terminal for carrying specified services set identifier, no longer aimlessly responds institute
There is the wireless device for sending probe request message, so as to reduce the transmission that wireless device sends probing response frame message, reach
To the purpose for reducing wireless device transmission message power consumption.
Further, the step S30 is specifically included：Whether step S31 judges carried in the probe request message
Service set, if so, then performing step S32；Whether step S32 judges the service set in the presets list, if so,
Then illustrate to carry the specified services set identifier in the probe request message, perform step S60.
In the above-mentioned technical solutions, specified services set identifier can be understood as the clothes of the wireless network that this wireless device sends
Business set identifier, if carrying the service set of this wireless device support in the probe request message of wireless device transmission, just
Probing response frame message can be sent to this wireless device, connect wireless device and wireless terminal.Specified services set identifier
Judge, it is ensured that wireless device will not unconditionally respond any probe request message, reached wireless device reduction power consumption
Purpose.
Further, the step S31 also includes：Step S31 is if it is not, then illustrate not taken in the probe request message
With the specified services set identifier, step S50 is performed；The step S32 also includes：Step S32 is if it is not, then illustrate the detection
Without the specified services set identifier is carried in claim frame message, step S50 is performed；Also include after the step S30：Step
The probe request packet loss is not sent the probing response frame message to the wireless terminal by S50.
In the above-mentioned technical solutions, if not carrying specified services set identifier, wireless device in probe request message
This probe request packet loss probing response frame message can not be sent to wireless terminal yet, this process description nothing
Line equipment for the processing mode of ineligible probe request message, abandon, do not send etc. operation all ensure that it is wireless
Equipment can reach the purpose for reducing power consumption.
Further, the step S31 also includes：Step S31 is if it is not, then illustrate not taken in the probe request message
With the specified services set identifier, step S40 is performed；The step S32 also includes：Step S32 is if it is not, then illustrate the detection
Without the specified services set identifier is carried in claim frame message, step S40 is performed；Also include after the step S30：Step
S40 obtains the stand-by period that distance actively sends beacon frame message next time；Whether step S41 judges the stand-by period less than pre-
If the time, if so, step S50 is then performed, if it is not, then performing step S60；Step S50 by the probe request packet loss,
And the probing response frame message is not sent to the wireless terminal.
In the above-mentioned technical solutions, when wireless device is in energy saver mode, its function of actively sending beacon frame message
It is still present.Wireless device can be abandoned to the probe request message for not carrying specified services set identifier, also not sent
Probing response frame message gives corresponding wireless terminal, has prevented that wireless terminal active scan is obtained the machine of wireless signal in fact
Meeting, therefore, when wireless device is in energy saver mode, wireless terminal can only (i.e. wireless device actively sends by drive sweep
Beacon frame message) obtain wireless signal.Stand-by period judgement to sending beacon frame message next time, allows for this wireless end
End distance receives stand-by period of beacon frame message that wireless device sends next time can or can not be very long, just existing if very long
Send probing response frame message to wireless terminal, it is to avoid wireless terminal lengthy scan is less than wireless signal, it is impossible to it is wireless
Equipment is connected；If if the stand-by period is shorter, also with regard to discard processing.This set is preferably in view of the actually used feelings of user
Condition, substantially increases the satisfaction of user.
Further, also include between the step S10 and the step S30：Step S20 judges the probe request report
Whether the purpose physical address of text is unicast physical address, if so, step S60 is then performed, if it is not, then illustrating the probe requests thereby
The purpose physical address of frame message is Broadcast physical address, performs step S30.
In the above-mentioned technical solutions, before whether specified services set identifier is carried in judging probe request message, can
First to judge the purpose physical address of probe request message, if if unicast physical address, that also just there is no need again
Judge whether that carrying specified services set identifier can directly transmit probing response frame message to corresponding wireless terminal, save
Follow-up information process, is that wireless device is saved power consumption and contributed.
Further, also include before the step S10：Step S01 obtains current mode of operation；Step S02 ought be in
During unrestricted pattern, the probe request message of wireless terminal transmission is received and parsed through, and sent out to wireless terminal each described
Send the probing response frame message.
In the above-mentioned technical solutions, wireless device also remains its original mode of operation, as long as receiving wireless end
The probe request message for sending is held, sends probing response frame will to each wireless terminal for sending probe request message
Message, it is ensured that each wireless terminal can obtain the wireless signal information of this wireless device, only enters in this wireless device
During energy saver mode, just probing response frame message only can be sent to specific wireless terminal as described above.Both of which is deposited
, it is ensured that wireless device can selectively enter energy saver mode, both ensure the experience of user, again can be specific
Under the conditions of reduce power consumption.
The present invention also provides a kind of wireless device, including：Packet parsing module, when in energy saver mode, the message
Parsing module is used to receive and parse through the probe request message of wireless terminal transmission；Mark judge module, with the message solution
Analysis module electrical connection, when the packet parsing module has received and parsed through the probe request message of wireless terminal transmission, institute
State whether mark judge module judges carry specified services set identifier in the probe request message；Message sending module, with
The mark judge module electrical connection, when the mark judge module judges to carry specified clothes in the probe request message
During business set identifier, probing response frame message is sent to the wireless terminal by the message sending module.
In the above-mentioned technical solutions, probing response frame message is only sent to qualified wireless terminal by wireless device,
The purpose for reducing power consumption is reached.
Further, also include：Packet loss module, electrically connects with the mark judge module, when the mark judges mould
When block judges not carrying specified services set identifier in the probe request message, the packet loss module please by the detection
Frame packet loss is asked, and does not send the probing response frame message to the wireless terminal.
Further, also include：Time-obtaining module, electrically connects with the mark judge module, next for obtaining distance
Actively send the stand-by period of beacon frame message；Time judgment module, with the time-obtaining module, the message sending module
Electrical connection, when the time-obtaining module obtain distance next time actively send the stand-by period of beacon frame message when, when described
Between judge module judge the stand-by period whether less than Preset Time；Packet loss module, with time judgment module electricity
Connection, when the time judgment module judges that the stand-by period is less than Preset Time, the packet loss module will be described
Probe request packet loss, and the probing response frame message is not sent to the wireless terminal；The message sending module,
It is further used for when the time judgment module judges that the stand-by period is not less than Preset Time, the message sending module
Probing response frame message is sent to the wireless terminal.
Further, also include：Address judgment module, with the packet parsing module, the mark judge module and described
Message sending module is electrically connected, and when in energy saver mode, and the packet parsing module has received and parsed through wireless terminal transmission
Probe request message when, the address judgment module judge the probe request message purpose physical address whether be
Unicast physical address；The message sending module, is further used for judging the probe request when the address judgment module
When the purpose physical address of message is unicast physical address, be sent to for probing response frame message described by the message sending module
Wireless terminal；The mark judge module, is further used for judging the probe request message when the address judgment module
Purpose physical address not be unicast physical address, the purpose physical address for illustrating the probe request message is Broadcast physical
During address, whether the mark judge module judges carry specified services set identifier in the probe request message.
Compared with prior art, the method and wireless device beneficial effect of wireless device response wireless terminal of the invention exist
In：
Wireless device remains the function of actively sending beacon frame message, and it has two kinds of mode of operations, when it is in
During saving operation mode, only probing response frame message purposefully can be sent to qualified wireless terminal, reduced
Wireless device sends the number of times of probing response frame message, and the purpose of wireless device sending power consumption is reduced so as to reach.
Brief description of the drawings
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, nothing is responded to a kind of wireless device
The method of line terminal and the above-mentioned characteristic of wireless device, technical characteristic, advantage and its implementation are further described.
Fig. 1 is the flow chart of method one embodiment of wireless device response wireless terminal of the present invention；
Fig. 2 is the flow chart of another embodiment of the method for wireless device response wireless terminal of the present invention；
Fig. 3 is the structural representation of wireless device one embodiment of the present invention；
Fig. 4 is the structural representation of another embodiment of wireless device of the present invention；
Fig. 5 is the structural representation of another embodiment of wireless device of the present invention.
Drawing reference numeral explanation：
10. packet parsing module, 20. mark judge modules, 30. message sending modules, 40. time-obtaining modules, when 50.
Between judge module, 60. packet loss modules, 70. address judgment modules.
Specific embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, control is illustrated below
Specific embodiment of the invention.It should be evident that drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing, and obtain other implementation methods.
To make simplified form, part related to the present invention is only schematically show in each figure, they are not represented
Its as product practical structures.In addition, so that simplified form is readily appreciated, there is identical structure or function in some figures
Part, only symbolically depicts one of those, or has only marked one of those.Herein, " one " is not only represented
" only this ", it is also possible to represent the situation of " more than one ".
In one embodiment of the invention, as shown in figure 1, a kind of wireless device respond wireless terminal method, including：
Step S10 receives and parses through the probe request message of wireless terminal transmission when in energy saver mode；Step S30 judges institute
State and whether carry specified services set identifier in probe request message, if so, then performing step S60；Step S60 is by probe response
Frame message is sent to the wireless terminal.
Specifically, the mode of operation by adjusting wireless device, makes wireless device only be sent to probing response frame message
The wireless terminal of specified services set identifier is carried in probe request message, all transmission is no longer aimlessly responded and is detected
The wireless device of claim frame message, so as to reduce the transmission that wireless device sends probing response frame message, reaches reduction wireless
Equipment sends the purpose of message power consumption.
Preferably, the step S30 is specifically included：Whether step S31 judges carried in the probe request message
Service set, if so, then performing step S32；Whether step S32 judges the service set in the presets list, if so,
Then illustrate to carry the specified services set identifier in the probe request message, perform step S60.
Specifically, each wireless device its support service set be limited, specified services set identifier is appreciated that
For the service set that this wireless device is supported.Therefore, if not carrying service set at all in probe request message, that
Also just there is no need to judge at all it whether specified services set identifier this process；Only confirming probe request message
In carry service set and just need further to judge；And judge that the service set carried in probe request message is
It is no in the presets list of wireless device, it can be understood as judge the service set carried in probe request message whether be
The service set that this wireless device is supported, only this wireless device are supported, can be just sent to wirelessly probing response frame message
Equipment, completes connection relation.The judgement of specified services set identifier, it is ensured that wireless device will not be responded unconditionally appoints
What probe request message, has reached the purpose of wireless device reduction power consumption.
Preferably, the step S31 also includes：Step S31 is if it is not, then illustrate not taken in the probe request message
With the specified services set identifier, step S50 is performed；The step S32 also includes：Step S32 is if it is not, then illustrate the detection
Without the specified services set identifier is carried in claim frame message, step S50 is performed；Also include after the step S30：Step
The probe request packet loss is not sent the probing response frame message to the wireless terminal by S50.
If specifically, not carrying specified services set identifier in probe request message, wireless device can visit this
Survey claim frame packet loss, probing response frame message do not sent to wireless terminal yet, this process description wireless device for
The processing mode of ineligible probe request message, the operation such as abandons, does not send and all ensure that wireless device can reach
To the purpose for reducing power consumption.
Preferably, the step S31 also includes：Step S31 is if it is not, then illustrate not taken in the probe request message
With the specified services set identifier, step S40 is performed；The step S32 also includes：Step S32 is if it is not, then illustrate the detection
Without the specified services set identifier is carried in claim frame message, step S40 is performed；Also include after the step S30：Step
S40 obtains the stand-by period that distance actively sends beacon frame message next time；Whether step S41 judges the stand-by period less than pre-
If the time, if so, step S50 is then performed, if it is not, then performing step S60；Step S50 by the probe request packet loss,
And the probing response frame message is not sent to the wireless terminal.
Specifically, when wireless device is in energy saver mode, its function of actively sending beacon frame message is still present, and
It is have time interval to send beacon frame, in other words, has frequency, for example：Sent several every 1 minute, and wireless terminal can
To obtain the information of this wireless device by drive sweep, can just be carried in probe request message afterwards by this process
The service set for obtaining.Wireless device can be abandoned to the probe request message for not carrying specified services set identifier,
Probing response frame message is not sent to corresponding wireless terminal, has prevented for wireless terminal active scan to obtain wireless in fact yet
The chance of signal.Therefore, when wireless device is in energy saver mode, wireless terminal can only be by drive sweep (i.e. wireless device
Actively send beacon frame message) obtain wireless signal.
Specified services set identifier is carried when no in the probe request message that wireless device sends, is directly being abandoned
Before, the stand-by period that the next wireless device that can adjust the distance sends beacon frame message is judged that this design is to judge that this is wireless
Terminal distance receives stand-by period of beacon frame message that wireless device sends next time can or can not be very long, if very long, keeps away
Exempt from wireless terminal lengthy scan less than wireless signal, it is impossible to be connected with wireless device, probing response frame message is just sent now
To wireless terminal；If if the stand-by period is shorter, also with regard to discard processing.This set is preferably in view of the actually used of user
Situation, substantially increases the satisfaction of user.
Preferably, also include between the step S10 and the step S30：Step S20 judges the probe request report
Whether the purpose physical address of text is unicast physical address, if so, step S60 is then performed, if it is not, then illustrating the probe requests thereby
The purpose physical address of frame message is Broadcast physical address, performs step S30.
Specifically, before whether specified services set identifier is carried in judging probe request message, can first judge to visit
The purpose physical address of claim frame message is surveyed, if if unicast physical address, just clearly indicating that wireless terminal is wanted to access
Be exactly this wireless device, that also just there is no need to judge whether that carrying specified services set identifier can directly transmit spy again
Response frame message is surveyed to corresponding wireless terminal, follow-up information process is saved, is that wireless device saving power consumption is made
Contribution.
And if the purpose physical address of probe request message is Broadcast physical address, probe request message can exist many
The situation of kind, for example：1) without any service set of carrying；It is not to specify services set although 2) carry service set
Mark；3) specified services set identifier is carried.And 2) 1) situation all shows that this wireless terminal is not that conclusively show will be with
This wireless device is connected, therefore, wireless device can abandon them, and probing response frame message is not sent, wireless so as to reduce
The power consumption of equipment.
Preferably, also include before the step S10：Step S01 obtains current mode of operation；Step S02 ought be in
During unrestricted pattern, the probe request message of wireless terminal transmission is received and parsed through, and sent out to wireless terminal each described
Send the probing response frame message.
Specifically, wireless device also remains its original mode of operation, as long as receiving the spy of wireless terminal transmission
Claim frame message is surveyed, sends probing response frame message will to each wireless terminal for sending probe request message, it is ensured that
Each wireless terminal can obtain the wireless signal information of this wireless device, only enter energy saver mode in this wireless device
When, just probing response frame message only can be sent to specific wireless terminal as described above.The presence of both of which, Ke Yibao
Card wireless device can selectively enter energy saver mode, both ensure the experience of user, can drop under given conditions again
Low-power consumption.
In another embodiment of the present invention, as shown in Fig. 2 a kind of method of wireless device response wireless terminal, bag
Include：Step S01 obtains current mode of operation；Step S02 receives and parses through wireless terminal transmission when in unrestricted pattern
Probe request message, and send the probing response frame message to wireless terminal each described；Step S10 is when in section
During energy pattern, the probe request message of wireless terminal transmission is received and parsed through；Step S20 judges the probe request message
Purpose physical address whether be unicast physical address, if so, then perform step S60, if it is not, then illustrating the probe request
The purpose physical address of message is Broadcast physical address, performs step S30；Step S30 is judged in the probe request message
Whether specified services set identifier is carried, if so, then performing step S60；The step S30 is specifically included：Step S31 judges described
Whether service set is carried in probe request message, if so, step S32 is then performed, if it is not, then illustrating that the detection please
No carrying specified services set identifier in frame message is sought, step S40 is performed；Step S32 judges that the service set is
It is no in the presets list, if so, carrying the specified services set identifier in then illustrating the probe request message, perform step
Rapid S60, if it is not, performing step S40 without the specified services set identifier is carried in then illustrating the probe request message；
Step S40 obtains the stand-by period that distance actively sends beacon frame message next time；Step S41 judges whether the stand-by period is small
In Preset Time, if so, step S50 is then performed, if it is not, then performing step S60；Step S50 is by the probe request message
Abandon, and do not send the probing response frame message to the wireless terminal；Probing response frame message is sent to institute by step S60
State wireless terminal.
Specifically, wireless device remains the function of actively sending beacon frame message, and it has two kinds of mode of operations, when
When it is in saving operation mode, only probing response frame message purposefully can be sent to qualified wireless terminal,
The number of times that wireless device sends probing response frame message is reduced, the purpose of wireless device sending power consumption is reduced so as to reach.
In another embodiment of the present invention, as shown in figure 3, a kind of wireless device, including：Packet parsing module 10,
When in energy saver mode, the packet parsing module is used to receive and parse through the probe request message of wireless terminal transmission；
Mark judge module 20, electrically connects, with the packet parsing module when the packet parsing module has received and parsed through wireless end
When holding the probe request message for sending, whether the mark judge module judges carry specified in the probe request message
Service set；Message sending module 30, electrically connects with the mark judge module, when the mark judge module judges described
When specified services set identifier is carried in probe request message, be sent to for probing response frame message by the message sending module
The wireless terminal.
Specifically, the mode of operation by adjusting wireless device, makes wireless device only be sent to probing response frame message
The wireless terminal of specified services set identifier is carried in probe request message, all transmission is no longer aimlessly responded and is detected
The wireless device of claim frame message, so as to reduce the transmission that wireless device sends probing response frame message, reaches reduction wireless
Equipment sends the purpose of message power consumption.
Preferably, as shown in figure 5, also including：Packet loss module 60, electrically connects with the mark judge module 20, when
When the mark judge module 20 judges not carrying specified services set identifier in the probe request message, the packet loss
The probe request packet loss is not sent the probing response frame message to the wireless terminal by module 60.
If specifically, not carrying specified services set identifier in probe request message, wireless device can visit this
Survey claim frame packet loss, probing response frame message do not sent to wireless terminal yet, this process description wireless device for
The processing mode of ineligible probe request message, the operation such as abandons, does not send and all ensure that wireless device can reach
To the purpose for reducing power consumption.
Preferably, as shown in figure 4, also including：Time-obtaining module 40, electrically connects with the mark judge module 20, uses
The stand-by period of beacon frame message is actively sent next time in acquisition distance；Time judgment module 50, with the time-obtaining module
40th, the message sending module 30 is electrically connected, and beacon frame report is actively sent next time when the time-obtaining module obtains distance
During the stand-by period of text, whether the time judgment module judges the stand-by period less than Preset Time；Packet loss module
60, electrically connected with the time judgment module 50, when the time judgment module judges that the stand-by period is less than Preset Time
When, the probe request packet loss is not sent the probing response frame message to described by the packet loss module
Wireless terminal；The message sending module 30, is further used for judging that the stand-by period is not small when the time judgment module
When Preset Time, probing response frame message is sent to the wireless terminal by the message sending module.
Specifically, when wireless device is in energy saver mode, its function of actively sending beacon frame message is still present, and
It is have time interval to send beacon frame, in other words, has frequency, for example：Sent several every 1 minute, and wireless terminal can
To obtain the information of this wireless device by drive sweep, can just be carried in probe request message afterwards by this process
The service set for obtaining.Wireless device can be abandoned to the probe request message for not carrying specified services set identifier,
Probing response frame message is not sent to corresponding wireless terminal, has prevented for wireless terminal active scan to obtain wireless in fact yet
The chance of signal.Therefore, when wireless device is in energy saver mode, wireless terminal can only be by drive sweep (i.e. wireless device
Actively send beacon frame message) obtain wireless signal.
Specified services set identifier is carried when no in the probe request message that wireless device sends, is directly being abandoned
Before, the stand-by period that the next wireless device that can adjust the distance sends beacon frame message is judged that this design is to judge that this is wireless
Terminal distance receives stand-by period of beacon frame message that wireless device sends next time can or can not be very long, if very long, keeps away
Exempt from wireless terminal lengthy scan less than wireless signal, it is impossible to be connected with wireless device, probing response frame message is just sent now
To wireless terminal；If if the stand-by period is shorter, also with regard to discard processing.This set is preferably in view of the actually used of user
Situation, substantially increases the satisfaction of user.
Preferably, also include：Address judgment module 70, with the packet parsing module 10, the mark judge module 20
Electrically connected with the message sending module 30, received and parsed through wirelessly when in energy saver mode, and the packet parsing module
During the probe request message that terminal sends, the address judgment module judges the purpose of the probe request message physically
Whether location is unicast physical address；The message sending module 30, is further used for judging described when the address judgment module
When the purpose physical address of probe request message is unicast physical address, the message sending module is by probing response frame message
It is sent to the wireless terminal；The mark judge module 20, is further used for judging the spy when the address judgment module
The purpose physical address for surveying claim frame message is not unicast physical address, illustrates the purpose of the probe request message physically
When location is Broadcast physical address, whether the mark judge module judges carry specified services collection in the probe request message
Mark.
Specifically, before whether specified services set identifier is carried in judging probe request message, can first judge to visit
The purpose physical address of claim frame message is surveyed, if if unicast physical address, just clearly indicating that wireless terminal is wanted to access
Be exactly this wireless device, that also just there is no need to judge whether that carrying specified services set identifier can directly transmit spy again
Response frame message is surveyed to corresponding wireless terminal, follow-up information process is saved, is that wireless device saving power consumption is made
Contribution.
And if the purpose physical address of probe request message is Broadcast physical address, probe request message can exist many
The situation of kind, for example：1) without any service set of carrying；It is not to specify services set although 2) carry service set
Mark；3) specified services set identifier is carried.And 2) 1) situation all shows that this wireless terminal is not that conclusively show will be with
This wireless device is connected, therefore, wireless device can abandon them, and probing response frame message is not sent, wireless so as to reduce
The power consumption of equipment.
In another embodiment of the present invention, as shown in figure 4, a kind of wireless device, including：Packet parsing module 10,
When in energy saver mode, the packet parsing module is used to receive and parse through the probe request message of wireless terminal transmission；
Address judgment module 70, electrically connects with the packet parsing module, the mark judge module and the message sending module, when
When having received and parsed through the probe request message of wireless terminal transmission in energy saver mode, and the packet parsing module, institute
State address judgment module and judge whether the purpose physical address of the probe request message is unicast physical address；Mark judges
Module 20, electrically connects with the packet parsing module, when the address judgment module judges the mesh of the probe request message
Physical address not be unicast physical address, the purpose physical address for illustrating the probe request message is Broadcast physical address
When, whether the mark judge module judges carry specified services set identifier in the probe request message；The mark is sentenced
Whether disconnected module is specifically for judging carry service set in the probe request message；If carrying the services set
Whether mark, then determine whether the service set in the presets list；Message sending module 30, judges with the mark
Module is electrically connected, and the service set carried in the mark judge module judges the probe request message is in default row
In table, when illustrating to carry the specified services set identifier in the probe request message, or, working as the time judgment module
When judging that the stand-by period is not less than Preset Time, or, when the address judgment module judges the probe request message
Purpose physical address when being unicast physical address, be sent to for probing response frame message described wireless by the message sending module
Terminal；Time-obtaining module 40, electrically connects with the mark judge module, when the mark judge module judges that the detection please
Ask not having in frame message to carry service set or the service set of carrying is not in the presets list, the time acquisition
Module obtains the stand-by period that distance actively sends beacon frame message next time；Time judgment module 50, mould is obtained with the time
Block, message sending module electrical connection, beacon frame message is actively sent next time when the time-obtaining module obtains distance
Stand-by period when, whether the time judgment module judges the stand-by period less than Preset Time；Packet loss module 60,
Electrically connected with the time judgment module, when the time judgment module judges that the stand-by period is less than Preset Time, institute
Packet loss module is stated by the probe request packet loss, and does not send the probing response frame message to the wireless end
End.
In another embodiment, also include：Pattern acquiring module, sends with the packet parsing module and the message
Module is electrically connected, for obtaining current mode of operation；The packet parsing module, when in unrestricted pattern, further
Probe request message for receiving and parsing through wireless terminal transmission；The message sending module, with the packet parsing mould
Block is electrically connected, when the probe request message has been received and parsed through in unrestricted pattern, and the packet parsing module,
The message sending module is further used for sending the probing response frame message to wireless terminal each described.
Specifically, wireless device remains the function of actively sending beacon frame message, and it has two kinds of mode of operations, when
When it is in saving operation mode, only probing response frame message purposefully can be sent to qualified wireless terminal,
The number of times that wireless device sends probing response frame message is reduced, the purpose of wireless device sending power consumption is reduced so as to reach.
Meanwhile, wireless device also retains original mode of operation (i.e. unrestricted pattern), can be as original to all of probe requests thereby
Frame message is responded, and sends the wireless terminal that probing response frame message have sent probe request message to each.Two kinds of moulds
The presence of formula, user can be selected as needed, meets the demand of different user, substantially increases the use of user
Experience.
It should be noted that above-described embodiment can independent assortment as needed.The above is only of the invention preferred
Implementation method, it is noted that for those skilled in the art, is not departing from the premise of the principle of the invention
Under, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of method that wireless device responds wireless terminal, it is characterised in that including：
Step S10 receives and parses through the probe request message of wireless terminal transmission when in energy saver mode；
Whether step S30 judges carry specified services set identifier in the probe request message, if so, then performing step S60；
Probing response frame message is sent to the wireless terminal by step S60.
2. the method that wireless device as claimed in claim 1 responds wireless terminal, it is characterised in that the step S30 is specific
Including：
Whether step S31 judges carry service set in the probe request message, if so, then performing step S32；
Whether step S32 judges the service set in the presets list, if so, in then illustrating the probe request message
The specified services set identifier is carried, step S60 is performed.
3. the method that wireless device as claimed in claim 2 responds wireless terminal, it is characterised in that：
The step S31 also includes：
Step S31 is if it is not, without the specified services set identifier is carried in then illustrating the probe request message, perform step
S50；
The step S32 also includes：
Step S32 is if it is not, without the specified services set identifier is carried in then illustrating the probe request message, perform step
S50；
Also include after the step S30：
The probe request packet loss is not sent the probing response frame message to the wireless terminal by step S50.
4. the method that wireless device as described described in claim 2 responds wireless terminal, it is characterised in that：
The step S31 also includes：
Step S31 is if it is not, without the specified services set identifier is carried in then illustrating the probe request message, perform step
S40；
The step S32 also includes：
Step S32 is if it is not, without the specified services set identifier is carried in then illustrating the probe request message, perform step
S40；
Also include after the step S30：
Step S40 obtains the stand-by period that distance actively sends beacon frame message next time；
Whether step S41 judges the stand-by period less than Preset Time, if so, step S50 is then performed, if it is not, then performing step
Rapid S60；
The probe request packet loss is not sent the probing response frame message to the wireless terminal by step S50.
5. the method that the wireless device as described in claim 1-4 is any responds wireless terminal, it is characterised in that the step
Also include between S10 and the step S30：
Step S20 judges whether the purpose physical address of the probe request message is unicast physical address, if so, then performing
Step S60, if it is not, the purpose physical address for then illustrating the probe request message is Broadcast physical address, performs step
S30。
6. the method that wireless device as claimed in claim 1 responds wireless terminal, it is characterised in that before the step S10
Also include：
Step S01 obtains current mode of operation；
Step S02 receives and parses through the probe request message of wireless terminal transmission when in unrestricted pattern, and to each
The wireless terminal all sends the probing response frame message.
7. a kind of any described wireless devices of use the claims 1-6 respond the wireless device of the method for wireless terminal,
It is characterised in that it includes：
Packet parsing module, when in energy saver mode, the packet parsing module is used to receive and parse through wireless terminal transmission
Probe request message；
Mark judge module, electrically connects, with the packet parsing module when the packet parsing module has been received and parsed through wirelessly
During the probe request message that terminal sends, whether the mark judge module judges to carry in the probe request message to refer to
Determine service set；
Message sending module, electrically connects with the mark judge module, when the mark judge module judges the probe requests thereby
When specified services set identifier is carried in frame message, be sent to for probing response frame message described wireless by the message sending module
Terminal.
8. wireless device as claimed in claim 7, it is characterised in that also include：
Packet loss module, electrically connects with the mark judge module, when the mark judge module judges the probe requests thereby
When specified services set identifier is not carried in frame message, the packet loss module by the probe request packet loss, and not
The probing response frame message is sent to the wireless terminal.
9. wireless device as claimed in claim 7, it is characterised in that also include：
Time-obtaining module, is electrically connected with the mark judge module, and beacon frame message is actively sent next time for obtaining distance
Stand-by period；
Time judgment module, electrically connects, when the time-obtaining module with the time-obtaining module, the message sending module
Obtain apart from when actively sending the stand-by period of beacon frame message, the time judgment module judges the stand-by period next time
Whether Preset Time is less than；
Packet loss module, electrically connects with the time judgment module, when the time judgment module judges the stand-by period
During less than Preset Time, the probe request packet loss is not sent the probe response by the packet loss module
Frame message gives the wireless terminal；
The message sending module, is further used for when the time judgment module judges that the stand-by period is not less than presetting
Between when, probing response frame message is sent to the wireless terminal by the message sending module.
10. the wireless device as described in claim 7-9 is any, it is characterised in that also include：
Address judgment module, electrically connects with the packet parsing module, the mark judge module and the message sending module,
When the probe request message of wireless terminal transmission has been received and parsed through in energy saver mode, and the packet parsing module,
The address judgment module judges whether the purpose physical address of the probe request message is unicast physical address；
The message sending module, is further used for judging the purpose of the probe request message when the address judgment module
When physical address is unicast physical address, probing response frame message is sent to the wireless terminal by the message sending module；
The mark judge module, is further used for judging the purpose of the probe request message when the address judgment module
Physical address is not unicast physical address, and the purpose physical address for illustrating the probe request message is Broadcast physical address
When, whether the mark judge module judges carry specified services set identifier in the probe request message.
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| CN201611068380.8A CN106793024A (en) | 2016-11-29 | 2016-11-29 | The method and wireless device of a kind of wireless device response wireless terminal |
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| CN201611068380.8A CN106793024A (en) | 2016-11-29 | 2016-11-29 | The method and wireless device of a kind of wireless device response wireless terminal |
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| CN111526331A (en) * | 2020-04-17 | 2020-08-11 | 浙江大华技术股份有限公司 | Cascade networking method and cascade networking system |
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