CN103906142B - A kind of wireless communications method, relevant device and system - Google Patents
A kind of wireless communications method, relevant device and system Download PDFInfo
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- CN103906142B CN103906142B CN201410111437.2A CN201410111437A CN103906142B CN 103906142 B CN103906142 B CN 103906142B CN 201410111437 A CN201410111437 A CN 201410111437A CN 103906142 B CN103906142 B CN 103906142B
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Abstract
The embodiment of the invention discloses a kind of wireless communications method, including：Access point generates the first beacon frame in first time point, and first beacon frame includes the broadcast cycle information of first beacon frame, and the broadcast cycle information of first beacon frame represents the broadcast cycle of the first beacon frame；First beacon frame is sent according to the broadcast cycle of first beacon frame；The second beacon frame is generated at the second time point, second beacon frame includes the broadcast cycle information of second beacon frame, and the broadcast cycle information of second beacon frame represents the broadcast cycle of the second beacon frame；Second beacon frame is sent according to the broadcast cycle of second beacon frame；The broadcast cycle of wherein described first beacon frame is different from the broadcast cycle of second beacon frame.The invention also discloses a kind of access point apparatus, using the present invention, substantially reduces the transmission cycle of beacon frame, adds effective call duration time, improve the effective rate of utilization of frequency spectrum.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of wireless communications method, relevant device and system.
Background technology
With the progress of ICT, various wireless communication technologys have been developed recently.In these radio communications
Among technology, WLAN（WLAN）It is that one kind can be by using portable terminal（Such as intelligent mobile terminal, flat board electricity
Brain, portable media player etc.）In family or enterprise or provide special services region in wirelessly on
The technology of net.
Existing Wireless Fidelity（WIreless Fidelity, Wi-Fi）Availability of frequency spectrum efficiency in technology is people pass
The hot issue of note；Currently pass through experiment statisticses, analyze the website in Wi-Fi technology（Station, STA）With access point
（Access Point, AP）Establish initial connection and carry out institute's transmission frame in communication process, find management frame（Such as, detection rings
Should（Probe response）Frame and beacon（Beacon）Frame etc.）The proportion accounted for is very big, shows access point in the big portion of communication
The time divided is in the action initially connected, and the proportion shared by effective data traffic is seldom；Due in communication process
Sent in management frame（Wireless initial connection for equipment room）Proportion it is excessive so that carry out valid data transmission when
Between it is very few, cause effective utilization ratio of frequency spectrum very low.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, there is provided a kind of wireless communications method, relevant device and is
System, substantially reduces the transmission cycle of beacon frame, adds effective call duration time, improve the effective rate of utilization of frequency spectrum.
In a first aspect, the embodiments of the invention provide a kind of wireless communications method, including：
Access point generates the first beacon frame in first time point, and first beacon frame includes the wide of first beacon frame
Cycle information is broadcast, the broadcast cycle information of first beacon frame represents the broadcast cycle of the first beacon frame；
First beacon frame is sent according to the broadcast cycle of first beacon frame；
The second beacon frame is generated at the second time point, second beacon frame includes the broadcast cycle of second beacon frame
Information, the broadcast cycle information of second beacon frame represent the broadcast cycle of the second beacon frame；
Second beacon frame is sent according to the broadcast cycle of second beacon frame；
The broadcast cycle of wherein described first beacon frame is different from the broadcast cycle of second beacon frame.
It is described to generate the second beacon frame at the second time point with reference in a first aspect, in the first possible implementation
Before, in addition to：
The load state information of access point monitors itself, and first beacon frame is adjusted according to the load state information
Broadcast cycle, the broadcast cycle using the broadcast cycle of the first beacon frame after adjustment as second beacon frame.
With reference to the first possible implementation of first aspect, in second of possible implementation, the load
Status information is included in basic service concentration and establishes the quantity information for the website being initially connected with described access point, averagely tells the amount of gulping down
Or averagely connect data rate.
With reference to second of possible implementation of first aspect, in the third possible implementation, the basis
The load state information, adjusting the broadcast cycle of first beacon frame includes：
Compare the size of the load state information and predetermined threshold value；
When the magnitude relationship of the load state information and predetermined threshold value changes, then first beacon frame is adjusted
Broadcast cycle；When the magnitude relationship of the load state information and predetermined threshold value does not change, then described is maintained
The broadcast cycle of one beacon frame.
With reference to the third possible implementation of first aspect, in the 4th kind of possible implementation, methods described
Also include：At least two predetermined threshold values are provided with, each predetermined threshold value is correspondingly provided with the respective beacon frames broadcast cycle；
When the magnitude relationship of the load state information and predetermined threshold value changes, then first beacon frame is adjusted
Broadcast cycle include：
When the maximum preset threshold value that the load state information reaches changes, then by the wide of first beacon frame
It is the beacon frames broadcast cycle corresponding to the maximum preset threshold value reached to broadcast period modulation.
With reference in a first aspect, either second of the first possible implementation or first aspect of first aspect
Possible implementation, either the 4th kind of the third possible implementation or first aspect of first aspect is possible
Implementation, it is described to send described the according to the broadcast cycle of second beacon frame in the 5th kind of possible implementation
Before two beacon frames, in addition to：
The broadcast cycle information notice of second beacon frame is established initially in basic service concentration and described access point
The website of connection.
It is described by institute in the 6th kind of possible implementation with reference to the 5th kind of possible implementation of first aspect
The broadcast cycle information notice for stating the second beacon frame establishes the website bag being initially connected in basic service concentration with described access point
Include：
Generate the 3rd beacon frame, the 3rd beacon frame includes being used for indicating beacon frames broadcast period modulation for described the
The information of the broadcast cycle of two beacon frames；According to the 3rd beacon frame described in the broadcast cycle broadcast transmission of first beacon frame,
Until establishing all stations aware beacon frames broadcast cycles being initially connected with described access point as adjustment in basic service concentration
After broadcast cycle for second beacon frame, perform described according to the broadcast cycle of second beacon frame transmission described second
The step of beacon frame.
It is described by institute in the 7th kind of possible implementation with reference to the 5th kind of possible implementation of first aspect
The broadcast cycle information notice for stating the second beacon frame establishes the website bag being initially connected in basic service concentration with described access point
Include：
When described access point has caching downlink data to be sent to the website, the power saving that the website is sent is received
Polling message；
Described access point sends the caching downlink data to the website, and indicates the second letter described in the station for acquiring
Mark the broadcast cycle information of frame；
After receiving the website and having received the confirmation message that the caching downlink data is sent, institute is sent to the website
State the broadcast cycle information of the second beacon frame.
It is described by institute in the 8th kind of possible implementation with reference to the 5th kind of possible implementation of first aspect
The broadcast cycle information notice for stating the second beacon frame establishes the website bag being initially connected in basic service concentration with described access point
Include：
When described access point does not have caching downlink data to be sent to the website, will transmission instruction mapping table in
Position corresponding to the website is arranged to " 1 ", and sends transmission instruction map information to the website；
After the power-save poll message that the website is sent is received, the broadcast of second beacon frame is sent to the website
Cycle information.
With reference to the 7th kind of possible implementation of first aspect, in the 9th kind of possible implementation, the access
Point sends the caching downlink data to the website, and indicates the broadcast cycle letter of the second beacon frame described in the station for acquiring
Breath includes：
When described access point caches downlink data to website transmission is described, pass through the more data in frame control domain
Position, indicate to send the broadcast cycle information of second beacon frame after the caching downlink data is sent, so that described
The broadcast cycle information of second beacon frame described in station for acquiring.
Second aspect, the embodiments of the invention provide a kind of access point apparatus, including：
First beacon frame generation module, for generating the first beacon frame in first time point, first beacon frame includes
The broadcast cycle information of first beacon frame, the broadcast cycle information of first beacon frame represent the broadcast of the first beacon frame
Cycle；
First sending module, for sending first beacon frame according to the broadcast cycle of first beacon frame；
Second beacon frame generation module, for generating the second beacon frame at the second time point, second beacon frame includes
The broadcast cycle information of second beacon frame, the broadcast cycle information of second beacon frame represent the broadcast of the second beacon frame
Cycle；
Second sending module, for sending second beacon frame according to the broadcast cycle of second beacon frame；
The broadcast cycle of wherein described first beacon frame is different from the broadcast cycle of second beacon frame.
With reference to second aspect, in the first possible implementation, the equipment also includes：
Load monitoring module, for monitoring the load state information of itself；
Broadcast cycle adjusting module, for adjusting the broadcast week of first beacon frame according to the load state information
Phase, the broadcast cycle using the broadcast cycle of the first beacon frame after adjustment as second beacon frame.
With reference to the first possible implementation of second aspect, in second of possible implementation, the load
Status information is included in basic service concentration and establishes the quantity information for the website being initially connected with described access point equipment, averagely tells
The amount of gulping down averagely connects data rate.
With reference to second of possible implementation of second aspect, in the third possible implementation, the broadcast
Period modulation module includes：
Comparing unit, for the load state information and the size of predetermined threshold value；
Adjustment unit, for when the magnitude relationship of the load state information and predetermined threshold value changes, then adjusting
The broadcast cycle of first beacon frame；When the magnitude relationship of the load state information and predetermined threshold value does not change
When, then maintain the broadcast cycle of first beacon frame.
With reference to the third possible implementation of second aspect, in the 4th kind of possible implementation, the access
Point device also includes threshold setting module, and for setting at least two predetermined threshold values, each predetermined threshold value is correspondingly provided with respective
The beacon frames broadcast cycle；
The adjustment unit is specifically used for：When the maximum preset threshold value that the load state information reaches changes,
The broadcast cycle of first beacon frame is then adjusted to the beacon frames broadcast cycle corresponding to the maximum preset threshold value that reaches.
With reference to second aspect, either second of the possible implementation of the first of second aspect or second aspect
Possible implementation, either the 4th kind of the third possible implementation or second aspect of second aspect is possible
Implementation, in the 5th kind of possible implementation, the equipment also includes：
Notification module, for sending described the according to the broadcast cycle of second beacon frame in second sending module
Before two beacon frames, the broadcast cycle information of second beacon frame is notified in basic service concentration and described access point equipment
Establish the website initially connected.
With reference to the 5th kind of possible implementation of second aspect, in the 6th kind of possible implementation, the notice
Module includes：
3rd beacon frame generation unit, for generating the 3rd beacon frame, the 3rd beacon frame includes being used to indicate letter
Mark frame broadcast cycle is adjusted to the information of the broadcast cycle of second beacon frame；
Transmitting element, for the 3rd beacon frame described in the broadcast cycle broadcast transmission according to first beacon frame, until
All stations aware beacon frames broadcast cycles being initially connected are established to be adjusted to described access point in basic service concentration
After the broadcast cycle for stating the second beacon frame, trigger second sending module and perform the broadcast according to second beacon frame
Cycle sends the step of second beacon frame.
With reference to the 5th kind of possible implementation of second aspect, in the 7th kind of possible implementation, the notice
Module includes：
Receiving unit, for when described access point equipment has caching downlink data to be sent to the website, receiving
The power-save poll message that the website is sent；
Indicating member is sent, for sending the caching downlink data to the website, and indicates the station for acquiring institute
State the broadcast cycle information of the second beacon frame；
The transmitting element of broadcast cycle first, sent really for having received the caching downlink data in the reception website
After recognizing message, the broadcast cycle information of second beacon frame is sent to the website.
With reference to the 5th kind of possible implementation of second aspect, in the 8th kind of possible implementation, the notice
Module includes：
Transmitting element is set, for not having caching downlink data to be sent to the website when described access point equipment
When, transmission is indicated that position corresponding with the website is arranged to " 1 " in mapping table, and send transmission instruction to the website and reflect
Penetrate information；
The transmitting element of broadcast cycle second, for after the power-save poll message that the website is sent is received, to the station
Point sends the broadcast cycle information of second beacon frame.
With reference to the 7th kind of possible implementation of second aspect, in the 9th kind of possible implementation, the transmission
Indicating member is specifically used for：
When sending the caching downlink data to the website, by the more data position in frame control domain, indicate in institute
The broadcast cycle information that second beacon frame is sent after caching downlink data is sent is stated, so that described in the station for acquiring
The broadcast cycle information of second beacon frame.
By implementing the embodiment of the present invention, the first beacon frame is generated in first time point, second is generated at the second time point
Beacon frame, the broadcast cycle of first beacon frame is different from the broadcast cycle of second beacon frame, can be according to actual logical
Believe the beacon frames broadcast cycle of changing load access point, the broadcast cycle of the second access point beacon frame of increase can solve existing skill
Because the proportion in the management frame sent in communication process is excessive in art so that the time of progress valid data transmission is very few,
The very low technical problem of effective utilization ratio of frequency spectrum is caused, substantially reduces the transmission cycle of beacon frame, is added effective logical
Believe the time, improve the effective rate of utilization of frequency spectrum.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of wireless communications method provided by the invention；
Fig. 2 is the schematic flow sheet of another embodiment of wireless communications method provided by the invention；
Fig. 3 is the schematic flow sheet of another embodiment of wireless communications method provided by the invention；
Fig. 4 is the schematic flow sheet of another embodiment of wireless communications method provided by the invention；
Fig. 5 is the structural representation of access point apparatus provided by the invention；
Fig. 6 is the structural representation of another embodiment of access point apparatus provided by the invention；
Fig. 7 is the structural representation of broadcast cycle adjusting module provided by the invention；
Fig. 8 is the structural representation of another embodiment of access point apparatus provided by the invention；
Fig. 9 is the structural representation of another embodiment of access point apparatus provided by the invention；
Figure 10 is the structural representation of notification module provided by the invention；
Figure 11 is the structural representation of another embodiment of notification module provided by the invention；
Figure 12 is the structural representation of another embodiment of notification module provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It should be noted that the term used in embodiments of the present invention is only merely for the mesh of description specific embodiment
, and it is not intended to be limiting the present invention." one of singulative used in the embodiment of the present invention and appended claims
Kind ", " described " and "the" are also intended to including most forms, unless context clearly shows that other implications.It is also understood that this
Term "and/or" used herein refers to and comprising any or all possible group associated of list items purpose of one or more
Close.
It is the schematic flow sheet of wireless communications method provided by the invention referring to Fig. 1, this method includes：
Step S100：Access point generates the first beacon frame in first time point, and first beacon frame includes described first
The broadcast cycle information of beacon frame, the broadcast cycle information of first beacon frame represent the broadcast cycle of the first beacon frame；
Specifically, the first time point can be some time point of communication process, and first beacon frame can represent
Current normal beacon frame, i.e. the broadcast cycle information of the first beacon frame can represent that the broadcast cycle of first beacon frame is
200ms。
Step S102：First beacon frame is sent according to the broadcast cycle of first beacon frame；
Step S104：The second beacon frame is generated at the second time point, second beacon frame includes second beacon frame
Broadcast cycle information, the broadcast cycle information of second beacon frame represents the broadcast cycle of the second beacon frame；
Specifically, second time point is the time point for being different from above-mentioned first time point, i.e., access point is in communication process
In can be according to itself setting or Rule of judgment, another time point generate the second beacon frame, second beacon frame it is wide
The broadcast cycle for broadcasting the second beacon frame of cycle information expression is different from the broadcast cycle of the first above-mentioned beacon frame；Second letter
The broadcast cycle information of mark frame can be represented by 8 bits, for example " 00000001 " represents the second access point beacon
The broadcast cycle of frame is 100ms, and " 00000010 " represents that the broadcast cycle of the second access point beacon frame is 300ms, but this
The beacon frames broadcast cycle information of two access points is not limited by 8 bits to represent, can also be by 16 bits
Represented etc. other forms, as long as communicating pair agreement consults；
Step S106：Second beacon frame is sent according to the broadcast cycle of second beacon frame.
Further, before step S104, the embodiment of the present invention can also include：The load shape of access point monitors itself
State information, and according to the broadcast cycle of load state information adjustment first beacon frame, by the first beacon after adjustment
Broadcast cycle of the broadcast cycle of frame as second beacon frame.
Specifically, the load state information can be included in what basic service concentration was initially connected with described access point foundation
The quantity information of website, averagely tell the amount of gulping down or averagely connect data rate；For example access point can be according to the load condition of itself
Dynamic adjustment sends the broadcast cycle of beacon frame.For example, single access point is concentrated at most to support in same basic service
30 websites, then access point can preset monitoring adjustment algorithm, when monitoring more than 15 websites of present load quantity
When, the broadcast cycle of beacon frame is tuned up, will the broadcast cycle of current first beacon frame tune up, as the wide of the second beacon frame
The cycle is broadcast, so as to increase effective call duration time, improves the effective rate of utilization of frequency spectrum.
Yet further, described according to the load state information, the broadcast cycle for adjusting first beacon frame can be with
Including：Compare the size of the load state information and predetermined threshold value；When the load state information and the size of predetermined threshold value
When relation changes, then the broadcast cycle of first beacon frame is adjusted；When the load state information and predetermined threshold value
When magnitude relationship does not change, then the broadcast cycle of first beacon frame is maintained.
Specifically, basic service concentration is included in the load state information and establishes the station being initially connected with described access point
Exemplified by the quantity of point, illustrate：Assuming that predetermined threshold value is 15, the quantity for establishing the website being initially connected with access point originally is small
In 15, then if the website quantity of monitoring is always below 15, the broadcast cycle of first beacon frame is maintained, when the station of monitoring
When point quantity is higher than 15, then the broadcast cycle of first beacon frame is adjusted, the broadcast cycle of the first beacon frame can be tuned up, made
For the broadcast cycle of the second beacon frame；Or the quantity for the website being initially connected was established more than 15 with access point originally, then
If the website quantity of monitoring is more than 15 always, the broadcast cycle of first beacon frame is maintained, when the website quantity of monitoring is less than
When 15, then the broadcast cycle of first beacon frame is adjusted, the broadcast cycle of the first beacon frame can be turned down, as the second beacon
The broadcast cycle of frame.
Yet further, the embodiment of the present invention can also include：It is provided with least two predetermined threshold values, each predetermined threshold value
It is correspondingly provided with the respective beacon frames broadcast cycle；When the magnitude relationship of the load state information and predetermined threshold value changes
When, then adjusting the broadcast cycle of first beacon frame includes：When the maximum preset threshold value hair that the load state information reaches
During changing, then the broadcast cycle of first beacon frame is adjusted to beacon frames broadcast corresponding to the maximum preset threshold value that reaches
Cycle.
Specifically, the predetermined threshold value in the embodiment of the present invention can also have multiple, and each threshold value is corresponding with each
The beacon frames broadcast cycle, basic service concentration and described access point are equally included in the load state information established and initially connect
Exemplified by the quantity of the website connect, illustrate, such as following table：
| Predetermined threshold value | The beacon frames broadcast cycle（ms） |
| 20 | 400 |
| 15 | 300 |
| 10 | 200 |
When the website quantity of monitoring is 12, then the broadcast cycle for adjusting first beacon frame is 200ms, as the second letter
Mark the broadcast cycle of frame；When the website quantity of monitoring is 16, then the broadcast cycle for adjusting first beacon frame is 300ms, is made
For the broadcast cycle of the second beacon frame；When the website quantity of monitoring is 25, then the broadcast cycle for adjusting first beacon frame is
400ms, the broadcast cycle as the second beacon frame.According to the wide of second beacon frame in the step S106 of the embodiment of the present invention
Before broadcasting cycle transmission second beacon frame, it can also include：The broadcast cycle information notice of second beacon frame is existed
Basic service concentration establishes the website being initially connected with described access point.
In detail below, illustrated with reference to Fig. 2 to Fig. 4：
The schematic flow sheet of another embodiment of wireless communications method provided by the invention as shown in Figure 2, including：
Step S200：Access point generates the first beacon frame in first time point, and first beacon frame includes described first
The broadcast cycle information of beacon frame, the broadcast cycle information of first beacon frame represent the broadcast cycle of the first beacon frame；
Step S202：First beacon frame is sent according to the broadcast cycle of first beacon frame；
Step S204：The second beacon frame is generated at the second time point, second beacon frame includes second beacon frame
Broadcast cycle information, the broadcast cycle information of second beacon frame represents the broadcast cycle of the second beacon frame；
Specifically, repeated no more here to step S104 with reference to step S100 in the embodiment of figure 1.
Step S206：The 3rd beacon frame is generated, the 3rd beacon frame includes being used to indicate that the beacon frames broadcast cycle adjusts
The information of the whole broadcast cycle for second beacon frame；
Step S208：According to the 3rd beacon frame described in the broadcast cycle broadcast transmission of first beacon frame；
Specifically, the access point of the present embodiment is notified the broadcast cycle information of second beacon frame by way of broadcast
In basic service concentration the website being initially connected is established with described access point；That is, broadcast of the access point in really adjustment beacon frame
Before cycle, the beacon frame of periodic broadcast the 3rd is carried out according to original beacon frames broadcast cycle, is carried in the 3rd beacon frame
There is information of the instruction beacon frames broadcast period modulation for the broadcast cycle of second beacon frame, until in basic service concentration and institute
It is the broadcast for being adjusted to second beacon frame to state all stations aware beacon frames broadcast cycles that access point foundation initially connects
After cycle, then perform step S210.
Step S210：Second beacon frame is sent according to the broadcast cycle of second beacon frame.
The schematic flow sheet of another embodiment of wireless communications method provided by the invention as shown in Figure 3, including：
Step S300：Access point generates the first beacon frame in first time point, and first beacon frame includes described first
The broadcast cycle information of beacon frame, the broadcast cycle information of first beacon frame represent the broadcast cycle of the first beacon frame；
Step S302：First beacon frame is sent according to the broadcast cycle of first beacon frame；
Step S304：The second beacon frame is generated at the second time point, second beacon frame includes second beacon frame
Broadcast cycle information, the broadcast cycle information of second beacon frame represents the broadcast cycle of the second beacon frame；
Specifically, repeated no more here to step S104 with reference to step S100 in the embodiment of figure 1.
Step S306：When described access point has caching downlink data to be sent to the website, the website is received
The power-save poll message of transmission；
Specifically, the initial website for being connected and entering row data communication is established for power saving with access point, can be with access
Point consults wake-up period, and periodically revives to intercept the beacon frame of access point broadcast（Beacon frames）In data instruction
Figure（Traffic indication Map, TIM）Message, thus determine whether access point is that it has cached downlink data；When
When determining that access point has caching downlink data, the website can send power-save poll message PS-Poll frames by way of competition
Related data is obtained to access point；
Step S308：Described access point sends the caching downlink data to the website, and indicates the station for acquiring
The broadcast cycle information of second beacon frame；
Specifically, when access point caches downlink data to website transmission is described, indicate be sent the lower line number
According to when, will continue to send the broadcast cycle information of second beacon frame, to indicate that the website receives the broadcast of second beacon frame
Cycle information；
Step S310：After receiving the website and having received the confirmation message of the caching downlink data transmission, to described
Website sends the broadcast cycle information of second beacon frame；
Specifically, after the website has received downlink data, sent to the access point and receive confirmation message, then accessed
Point sends the broadcast cycle information of second beacon frame to the website, to notify send out the beacon frames broadcast cycle of the website backward
Adjustment has been given birth to, has been adjusted to the broadcast cycle information of second beacon frame.
Step S312：Second beacon frame is sent according to the broadcast cycle of second beacon frame.
Further, step S308 can include but is not limited to implementations below：Access point sends institute to the website
When stating caching downlink data, pass through frame control domain（Frame Control, FC）In more data position More data positions, instruction
The broadcast cycle information of second beacon frame is sent after the caching downlink data is sent, so that the station for acquiring
The broadcast cycle information of second beacon frame.
The schematic flow sheet of another embodiment of wireless communications method provided by the invention as shown in Figure 4, including：
Step S400：Access point generates the first beacon frame in first time point, and first beacon frame includes described first
The broadcast cycle information of beacon frame, the broadcast cycle information of first beacon frame represent the broadcast cycle of the first beacon frame；
Step S402：First beacon frame is sent according to the broadcast cycle of first beacon frame；
Step S404：The second beacon frame is generated at the second time point, second beacon frame includes second beacon frame
Broadcast cycle information, the broadcast cycle information of second beacon frame represents the broadcast cycle of the second beacon frame；
Specifically, repeated no more here to step S104 with reference to step S100 in the embodiment of figure 1.
Step S406：When described access point does not have caching downlink data to be sent to the website, transmission is indicated
Position corresponding with the website is arranged to " 1 " in mapping table, and sends transmission instruction map information to the website；
Specifically, access point, which will transmit, indicates that position corresponding with the website is arranged to " 1 " in mapping table, to indicate to stand
Point obtains related data；
Step S408：After the power-save poll message that the website is sent is received, second letter is sent to the website
Mark the broadcast cycle information of frame；
Specifically, the website receives transmission instruction map information, and power-save poll can be sent by way of competition
Message PS-Poll frames obtain related data to access point；After access point receives the power-save poll message, sent out to the website
The broadcast cycle information of second beacon frame is sent, to notify that the beacon frames broadcast cycle of the website backward is adjusted, is adjusted
The whole broadcast cycle information for second beacon frame.
Step S410：Second beacon frame is sent according to the broadcast cycle of second beacon frame.
By implementing the embodiment of the present invention, the first beacon frame is generated in first time point, second is generated at the second time point
Beacon frame, the broadcast cycle of first beacon frame is different from the broadcast cycle of second beacon frame, can be according to actual logical
Believe the beacon frames broadcast cycle of changing load access point, the broadcast cycle of the second access point beacon frame of increase can solve existing skill
Because the proportion in the management frame sent in communication process is excessive in art so that the time of progress valid data transmission is very few,
The very low technical problem of effective utilization ratio of frequency spectrum is caused, substantially reduces the transmission cycle of beacon frame, is added effective logical
Believe the time, improve the effective rate of utilization of frequency spectrum.
The above-mentioned method for illustrating the embodiment of the present invention, following for being easy to preferably implement the embodiment of the present invention
Such scheme, correspondingly, the relevant device for implementing such scheme for coordinating is also provided below.
The structural representation of access point apparatus provided by the invention as shown in Figure 5, access point apparatus 50 include：First letter
Frame generation module 500, the first sending module 502, the second beacon frame generation module 504 and the second sending module 506 are marked, wherein
First beacon frame generation module 500 is used to generate the first beacon frame, the first beacon frame bag in first time point
Broadcast cycle information containing first beacon frame, the broadcast cycle information of first beacon frame represent the wide of the first beacon frame
Broadcast the cycle；
First sending module 502 is used to send first beacon frame according to the broadcast cycle of first beacon frame；
Second beacon frame generation module 504 is used to generate the second beacon frame, the second beacon frame bag at the second time point
Broadcast cycle information containing second beacon frame, the broadcast cycle information of second beacon frame represent the wide of the second beacon frame
Broadcast the cycle；
Second sending module 506 is used to send second beacon frame according to the broadcast cycle of second beacon frame；
The broadcast cycle of wherein described first beacon frame is different from the broadcast cycle of second beacon frame.
Further, the structural representation of another embodiment of access point apparatus provided by the invention as shown in Figure 6, connects
Entering point device 50 includes the first beacon frame generation module 500, the first sending module 502, the second beacon frame generation module 504 and the
Outside two sending modules 506, it can also include：Load monitoring module 508 and broadcast cycle adjusting module 5010, wherein
Load monitoring module 508 is used to monitor the load state information of itself；
Broadcast cycle adjusting module 5010 is used for the broadcast that first beacon frame is adjusted according to the load state information
Cycle, the broadcast cycle using the broadcast cycle of the first beacon frame after adjustment as second beacon frame.
Specifically, the load state information in the embodiment of the present invention can be included in basic service concentration and described access point
Equipment establishes the quantity information of the website initially connected, averagely tells the amount of gulping down or averagely connect data rate.
Yet further, the structural representation of broadcast cycle adjusting module provided by the invention as shown in Figure 7, broadcast week
Phase adjusting module 5010 includes：Comparing unit 50100 and adjustment unit 50102, wherein
Comparing unit 50100 is used for the size of the load state information and predetermined threshold value；
Adjustment unit 50102 is used for when the magnitude relationship of the load state information and predetermined threshold value changes, then
Adjust the broadcast cycle of first beacon frame；When the magnitude relationship of the load state information and predetermined threshold value does not become
During change, then the broadcast cycle of first beacon frame is maintained.
Yet further, the structural representation of another embodiment of access point apparatus provided by the invention as shown in Figure 8,
Access point apparatus 50 include the first beacon frame generation module 500, the first sending module 502, the second beacon frame generation module 504,
Outside second sending module 506, load monitoring module 508 and broadcast cycle adjusting module 5010, threshold value can also be included mould is set
Block 5012, for setting at least two predetermined threshold values, each predetermined threshold value is correspondingly provided with the respective beacon frames broadcast cycle；
So, adjustment unit 50102 specifically can be used for：When the maximum preset threshold value hair that the load state information reaches
During changing, then the broadcast cycle of first beacon frame is adjusted to beacon frames broadcast corresponding to the maximum preset threshold value that reaches
Cycle.
Yet further, the structural representation of another embodiment of access point apparatus provided by the invention as shown in Figure 9,
Access point apparatus 50 include the first beacon frame generation module 500, the first sending module 502, the second beacon frame generation module 504,
Outside second sending module 506, load monitoring module 508, broadcast cycle adjusting module 5010 and threshold setting module 5012, may be used also
With including notification module 5014, in the second sending module 506 according to being sent the broadcast cycle of second beacon frame
Before second beacon frame, the broadcast cycle information of second beacon frame is notified to set with described access point in basic service concentration
It is standby to establish the website initially connected.
Specifically, the structural representation of notification module provided by the invention as shown in Figure 10, notification module 5014 include：
3rd beacon frame generation unit 50140 and transmitting element 50142, wherein
3rd beacon frame generation unit 50140 is used to generate the 3rd beacon frame, and the 3rd beacon frame includes being used to refer to
Show the information for the broadcast cycle that beacon frames broadcast period modulation is second beacon frame；
Transmitting element 50142 is used for the 3rd beacon frame according to the broadcast cycle broadcast transmission of first beacon frame,
Until establishing all stations aware beacon frames broadcast cycles being initially connected with described access point as adjustment in basic service concentration
After broadcast cycle for second beacon frame, triggering the second sending module 506 performs described according to second beacon frame
Broadcast cycle sends the step of second beacon frame.
Further, the structural representation of another embodiment of notification module provided by the invention as shown in Figure 11, leads to
Know that module 5014 includes：Receiving unit 50144, indicating member 50146 and the first transmitting element of broadcast cycle 50148 are sent, its
In
Receiving unit 50144 is used for when described access point equipment has caching downlink data to be sent to the website,
Receive the power-save poll message that the website is sent；
Send indicating member 50146 to be used to send the caching downlink data to the website, and indicate that the website obtains
Take the broadcast cycle information of second beacon frame；
The first transmitting element of broadcast cycle 50148 is used to receive the caching downlink data transmission in the reception website
Confirmation message after, the broadcast cycle information of second beacon frame is sent to the website.
Specifically, indicating member 50146 is sent specifically to can be used for：The caching downlink data is sent to the website
When, by the more data position in frame control domain, indicate to send second letter after the caching downlink data is sent
The broadcast cycle information of frame is marked, so that the broadcast cycle information of the second beacon frame described in the station for acquiring.
Further, the structural representation of another embodiment of notification module provided by the invention as shown in Figure 12, leads to
Know that module 5014 includes：Transmitting element 501410 and the second transmitting element of broadcast cycle 501412 are set, wherein
Transmitting element 501410 is set to be used for when described access point equipment does not have caching to be sent descending the website
During data, transmission is indicated that position corresponding with the website is arranged to " 1 " in mapping table, and send transmission to the website and refer to
Show map information；
The second transmitting element of broadcast cycle 50142 is used for after the power-save poll message that the website is sent is received, to institute
State the broadcast cycle information that website sends second beacon frame.
Access point apparatus 50 in the embodiment of the present invention for example can be Network Management Equipment, router, transmission node, intelligent sliding
Dynamic terminal or other network equipments.
It will be appreciated that the function of each functional module of the access point apparatus 50 of the present embodiment can be implemented according to the above method
Method specific implementation in example, can specifically correspond to the associated description referring to figs. 1 to Fig. 4 embodiments of the method, here is omitted.
In summary, by implementing the embodiment of the present invention, the first beacon frame is generated in first time point, at the second time point
The second beacon frame is generated, the broadcast cycle of first beacon frame is different from the broadcast cycle of second beacon frame, Ke Yigen
Factually border communication load changes the beacon frames broadcast cycle of access point, and the broadcast cycle of the second access point beacon frame of increase can solve
Certainly in the prior art because the proportion in the management frame sent in communication process is excessive so that carry out valid data transmission when
Between it is very few, cause the very low technical problem of effective utilization ratio of frequency spectrum, substantially reduce the transmission cycle of beacon frame, added
The call duration time of effect, improve the effective rate of utilization of frequency spectrum.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory（Read-Only Memory, ROM）Or random access memory（Random Access
Memory, RAM）Deng.
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention can not being limited with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and weighed according to the present invention
Profit requires made equivalent variations, still falls within and invents covered scope.
Claims (12)
- A kind of 1. wireless communications method, it is characterised in that including：Access point generates the first beacon frame in first time point, and first beacon frame includes the broadcast week of first beacon frame Phase information, the broadcast cycle information of first beacon frame represent the broadcast cycle of the first beacon frame；First beacon frame is sent according to the broadcast cycle of first beacon frame；The second beacon frame is generated at the second time point, the broadcast cycle that second beacon frame includes second beacon frame is believed Breath, the broadcast cycle information of second beacon frame represent the broadcast cycle of the second beacon frame；When described access point has caching downlink data to be sent to website, receive the power-save poll that the website is sent and disappear Breath；The website is to establish the website being initially connected with described access point in basic service concentration；Described access point sends the caching downlink data to the website, and indicates the second beacon frame described in the station for acquiring Broadcast cycle information；After receiving the website and having received the confirmation message that the caching downlink data is sent, to website transmission described the The broadcast cycle information of two beacon frames；Second beacon frame is sent according to the broadcast cycle of second beacon frame；The broadcast cycle of wherein described first beacon frame is different from the broadcast cycle of second beacon frame；The wireless communications method also includes：At least two predetermined threshold values are provided with, each predetermined threshold value is correspondingly provided with respective The beacon frames broadcast cycle；The size in the beacon frames broadcast cycle increases with the increase of predetermined threshold value；The load state information of access point monitors itself, the size of the load state information and predetermined threshold value；When described When the maximum preset threshold value that load state information reaches changes, then the broadcast cycle of first beacon frame is adjusted to reach The beacon frames broadcast cycle corresponding to the maximum preset threshold value arrived, using the broadcast cycle of the first beacon frame after adjustment as described The broadcast cycle of two beacon frames；When the magnitude relationship of the load state information and predetermined threshold value does not change, then tie up Hold the broadcast cycle of first beacon frame.
- 2. the method as described in claim 1, it is characterised in that the load state information is included in basic service concentration and institute Access point is stated to establish the quantity information of the website initially connected, averagely tell the amount of gulping down or averagely connect data rate.
- 3. method as claimed in claim 1 or 2, it is characterised in that described to be sent out according to the broadcast cycle of second beacon frame Before sending second beacon frame, in addition to：The broadcast cycle information notice of second beacon frame is established in basic service concentration with described access point and is initially connected Website.
- 4. method as claimed in claim 3, it is characterised in that the broadcast cycle information by second beacon frame notifies Establishing the website being initially connected with described access point in basic service concentration includes：The 3rd beacon frame is generated, the 3rd beacon frame includes being used to indicate beacon frames broadcast period modulation for the described second letter Mark the information of the broadcast cycle of frame；According to the 3rd beacon frame described in the broadcast cycle broadcast transmission of first beacon frame, until All stations aware beacon frames broadcast cycles being initially connected are established to be adjusted to described access point in basic service concentration After the broadcast cycle for stating the second beacon frame, perform described according to the broadcast cycle of second beacon frame transmission second beacon The step of frame.
- 5. method as claimed in claim 3, it is characterised in that the broadcast cycle information by second beacon frame notifies Establishing the website being initially connected with described access point in basic service concentration includes：When described access point does not have caching downlink data to be sent to the website, will transmission instruction mapping table in it is described Position corresponding to website is arranged to " 1 ", and sends transmission instruction map information to the website；After the power-save poll message that the website is sent is received, the broadcast cycle of second beacon frame is sent to the website Information.
- 6. the method as described in claim 1, it is characterised in that described access point sends line number under the caching to the website According to, and indicate that the broadcast cycle information of the second beacon frame described in the station for acquiring includes：When described access point caches downlink data to website transmission is described, by the more data position in frame control domain, refer to Show the broadcast cycle information that second beacon frame is sent after the caching downlink data is sent, so that the website obtains Take the broadcast cycle information of second beacon frame.
- A kind of 7. access point apparatus, it is characterised in that including：First beacon frame generation module, for generating the first beacon frame in first time point, first beacon frame includes described The broadcast cycle information of first beacon frame, the broadcast cycle information of first beacon frame represent the broadcast week of the first beacon frame Phase；First sending module, for sending first beacon frame according to the broadcast cycle of first beacon frame；Second beacon frame generation module, for generating the second beacon frame at the second time point, second beacon frame includes described The broadcast cycle information of second beacon frame, the broadcast cycle information of second beacon frame represent the broadcast week of the second beacon frame Phase；Second sending module, for sending second beacon frame according to the broadcast cycle of second beacon frame；The broadcast cycle of wherein described first beacon frame is different from the broadcast cycle of second beacon frame；Described access point equipment also includes threshold setting module, for setting at least two predetermined threshold values, each predetermined threshold value pair The respective beacon frames broadcast cycle should be provided with；The size in the beacon frames broadcast cycle increases with the increase of predetermined threshold value；Load monitoring module, for monitoring the load state information of itself；Broadcast cycle adjusting module, will for adjusting the broadcast cycle of first beacon frame according to the load state information Broadcast cycle of the broadcast cycle of the first beacon frame after adjustment as second beacon frame；The broadcast cycle adjusting module includes：Comparing unit, for the load state information and the size of predetermined threshold value；Adjustment unit, when the maximum preset threshold value for reaching when the load state information changes, then by described first The broadcast cycle of beacon frame is adjusted to the beacon frames broadcast cycle corresponding to the maximum preset threshold value that reaches；When the load condition is believed When breath and the magnitude relationship of predetermined threshold value do not change, then the broadcast cycle of first beacon frame is maintained；Described access point equipment also includes notification module, and the notification module includes：Receiving unit, for when described access point equipment has caching downlink data to be sent to website, receiving the website The power-save poll message of transmission；The website is to establish the website being initially connected with described access point in basic service concentration；Indicating member is sent, for sending the caching downlink data to the website, and indicates described in the station for acquiring the The broadcast cycle information of two beacon frames；The transmitting element of broadcast cycle first, the confirmation for having received the caching downlink data transmission in the reception website disappear After breath, the broadcast cycle information of second beacon frame is sent to the website.
- 8. equipment as claimed in claim 7, it is characterised in that the load state information is included in basic service concentration and institute Access point apparatus is stated to establish the quantity information of the website initially connected, averagely tell the amount of gulping down or averagely connect data rate.
- 9. equipment as claimed in claim 7, it is characterised in that the notification module, in the second sending module root Before sending second beacon frame according to the broadcast cycle of second beacon frame, the broadcast cycle of second beacon frame is believed Breath notice establishes the website being initially connected in basic service concentration with described access point equipment.
- 10. equipment as claimed in claim 9, it is characterised in that the notification module also includes：3rd beacon frame generation unit, for generating the 3rd beacon frame, the 3rd beacon frame includes being used to indicate beacon frame Broadcast cycle is adjusted to the information of the broadcast cycle of second beacon frame；Transmitting element, for the 3rd beacon frame described in the broadcast cycle broadcast transmission according to first beacon frame, until in base With described access point all stations aware beacon frames broadcast cycles for being initially connected are established in this services set to be adjusted to described the After the broadcast cycle of two beacon frames, trigger second sending module and perform the broadcast cycle according to second beacon frame The step of sending second beacon frame.
- 11. equipment as claimed in claim 9, it is characterised in that the notification module also includes：Transmitting element is set, for when described access point equipment does not have caching downlink data to be sent to the website, inciting somebody to action Position corresponding with the website is arranged to " 1 " in transmission instruction mapping table, and sends transmission instruction mapping letter to the website Breath；The transmitting element of broadcast cycle second, for after the power-save poll message that the website is sent is received, being sent out to the website Send the broadcast cycle information of second beacon frame.
- 12. equipment as claimed in claim 7, it is characterised in that the transmission indicating member is specifically used for：When sending the caching downlink data to the website, by the more data position in frame control domain, indicate described slow The broadcast cycle information that second beacon frame is sent after downlink data is sent is deposited, so that second described in the station for acquiring The broadcast cycle information of beacon frame.
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| CN105592503A (en) * | 2015-09-11 | 2016-05-18 | 杭州华三通信技术有限公司 | Load balancing method and device |
| CN107635269B (en) * | 2016-07-19 | 2020-04-14 | 华为技术有限公司 | Scheduling method, access point and station |
| CN106376051B (en) * | 2016-08-26 | 2020-03-13 | 上海斐讯数据通信技术有限公司 | Network equipment and data sending method |
| CN108282344B (en) * | 2017-02-24 | 2020-05-29 | 中国移动通信有限公司研究院 | Self-adaptive adjustment method and device for broadcast period of wireless beacon and power supply system |
| CN106998570A (en) * | 2017-03-10 | 2017-08-01 | 上海斐讯数据通信技术有限公司 | A kind of system and its application method of the adjust automatically beacon in multicast application |
| CN107567042A (en) * | 2017-08-18 | 2018-01-09 | 上海斐讯数据通信技术有限公司 | A kind of wireless router and its beacon interval time slot method of adjustment |
| CN110786025A (en) * | 2018-08-08 | 2020-02-11 | 深圳市大疆创新科技有限公司 | Supervision control method, equipment and system for movable platform |
| CN111192443B (en) * | 2020-01-20 | 2020-10-20 | 深圳市觅拓物联信息技术有限公司 | Energy-saving warning method and warning system based on Bluetooth beacon |
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| ATE445989T1 (en) * | 2005-01-21 | 2009-10-15 | Research In Motion Ltd | MULTIPLE IEEE 802.11 DELIVERY NOTIFICATION PERIODS (DTIM) |
| WO2007102479A1 (en) * | 2006-03-08 | 2007-09-13 | Nec Corporation | Mobile communication terminal, communication system, communication method, and control program |
| US20100226309A1 (en) * | 2009-03-03 | 2010-09-09 | Nokia Corporation | Beaconing mode for wireless communication |
| WO2012081177A1 (en) * | 2010-12-13 | 2012-06-21 | Ｎｅｃカシオモバイルコミュニケーションズ株式会社 | Wireless relay device, wireless lan system, wireless relay method and program |
| CN103249120B (en) * | 2012-02-03 | 2017-08-18 | 华为终端有限公司 | A kind of method and device of Wireless Fidelity WiFi access point apparatus power savings |
| CN103116995B (en) * | 2013-01-09 | 2015-01-14 | 同济大学 | Car networking data transmission route selection optimized method based on electronic eyes |
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