CN108471614A - A kind of method for sending information and device - Google Patents
A kind of method for sending information and device Download PDFInfo
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- CN108471614A CN108471614A CN201710100218.8A CN201710100218A CN108471614A CN 108471614 A CN108471614 A CN 108471614A CN 201710100218 A CN201710100218 A CN 201710100218A CN 108471614 A CN108471614 A CN 108471614A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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Abstract
A kind of method for sending information and device, described information sending method, including：Access point generates radio frames, and the radio frames include the first instruction parameter；The first instruction parameter is for correcting at the time of basic service set identification switches or being used to indicate the wireless frame information for carrying effective handoff parameter；Described access point sends the radio frames.The embodiment of the present application passes through setting the first instruction parameter, at the time of determining basic service set identification switching, realize that the time switched to basic service set identification controls, and then realize and basic service set identification switching is carried out according to the instruction parameter, to solve the problems, such as that diverse access point basic service set identification existing for the relevant technologies is identical.The embodiment of the present invention realizes identical at the time of the basic service set identification switching of the radio frames instruction of different-format.The maloperation that website in this basic service set carries out spatial reuse can be reduced, ensures effective progress of transmission.
Description
Technical field
The present invention relates to the communication technologys, especially wireless local area network technology field, are sent more particularly, to a kind of information
Method and device.
Background technology
With the burst application of wlan network, the continuous densification of deployment of wlan network, network load is also constantly adding
The case where weight, and with the increase of network, the network coverage is overlapped, is also more serious.The efficiency of wlan network, which will appear, to be decreased obviously
Trend, it is simple to solve the problems, such as this by raising radio interface rate.Therefore, it is small to have set up relevant task for ieee standard tissue
Group is dedicated to solving wlan network efficiency.Wherein, the interference under network-intensive deployment scenario avoids the skill with improved efficiency
Art becomes the hot spot discussed.
In order to allow website before having received radio frames, identify in advance whether this basic service set (Basic
Service Set, BSS) radio frames, define BSS color, as the mark of basic service set, the area for carrying out BSS
Not.Only there are one BSS color by one BSS.In wireless LAN communication standard 802.11ax (hereinafter referred to as 11ax), BSS
Color occupies 6 bits, can indicate 0-63, altogether 64 kinds of marks.Due to 11ax define be dense network application technology and
And there are concealed terminals, access point (Access Point, AP) is when carrying out BSS color selections, it is likely that the BSS of selection
Color is identical with the BSS color that other AP are selected, as shown in Figure 1.First access point AP1 and the second access point AP2 are hidden each other
Hide terminal.First access point AP1 and the second access point AP2 are when BSS is established, even if network sweep is carried out, due to mutual
The BSS color not selected in mutual communication range, the first access point AP1 and the second access point AP2 are likely to be identical,
Under intensive scene, the problem is especially serious.
Invention content
In view of this, the present invention provides following scheme.
A kind of method for sending information, including：
Access point generates radio frames, and the radio frames include the first instruction parameter；The first instruction parameter is used for school
At the time of positive basic service set identification switching or it is used to indicate the wireless frame information for carrying effective handoff parameter；
Described access point sends the radio frames.
A kind of method of basic service set identification switching, including：
Website receives radio frames, and the radio frames include the first instruction parameter；
The website indicates parameter correction basic service set identification switching instant according to described first, or according to described the
One instruction parameter determines the radio frames for carrying effective handoff parameter.
A kind of information transmitting apparatus, including：
Framing module, for generating radio frames, the radio frames include the first instruction parameter；The first instruction parameter
At the time of for correcting basic service set identification switching or it is used to indicate and carries the wireless frame information of effective handoff parameter；
Sending module, for sending the radio frames.
A kind of access point, including above- mentioned information sending device.
A kind of device of basic service set identification switching, including：
Receiving module, for receiving radio frames, the radio frames include the first instruction parameter；
Processing module is used for according to the first instruction parameter correction basic service set identification switching instant, or according to
The first instruction parameter determines the radio frames for carrying effective handoff parameter.
A kind of website includes the device of above-mentioned basic service set identification switching.
A kind of system for basic service set identification switching, including：
Access point, including,
Framing module, for generating radio frames, the radio frames include the first instruction parameter；The first instruction parameter
At the time of for correcting basic service set identification switching or it is used to indicate and carries the wireless frame information of effective handoff parameter；
Sending module, for sending the radio frames；
Handover module, for indicating that parameter carries out basic service set identification switching according to described first；
Website, including,
Receiving module, for receiving the radio frames；
Processing module is used for according to the first instruction parameter correction basic service set identification switching instant, or according to
The first instruction parameter determines the radio frames for carrying effective handoff parameter.
A method of switch for basic service set identification, including：
Access point generates radio frames, and the radio frames include the first instruction parameter；The first instruction parameter is used for school
At the time of positive basic service set identification switching or it is used to indicate the wireless frame information for carrying effective handoff parameter；
Access point sends the radio frames；
Access point indicates that parameter carries out basic service set identification switching according to described first；
Website receives the radio frames；
Website indicates parameter correction basic service set identification switching instant according to described first, or refers to according to described first
Show that parameter determines the radio frames for carrying effective handoff parameter.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored with computer executable instructions, described
Computer executable instructions are performed the realization above method.
Said program generates radio frames by access point, and the radio frames include that instruction basic service set identification switches
First instruction parameter, access point or website indicate that parameter carries out basic service set identification switching according to described first, to logical
Cross setting first instruction parameter, determine basic service set identification switching at the time of, realize to basic service set identification switch when
Between controlled, and then realize basic service set identification switching, it is basic to solve diverse access point existing for the relevant technologies
The identical problem of service set.The embodiment of the present invention is by setting the first instruction parameter to deviant, when first switches
At the time of quarter plus deviant instruction, new basic service set identification is switched to；Or in the letter for carrying the first instruction parameter
At the time of the corresponding target beacon transmission time of mark frame adds deviant to indicate, new basic service set identification is switched to；Alternatively, institute
The wireless frame information that the instruction of the first instruction parameter carries effective handoff parameter is stated, the wireless of effective handoff parameter is carried according to described
Target beacon handoff parameter and/or deviant indicated by frame carry out basic service set identification switching, to realize not apposition
It is identical at the time of the basic service set identification switching of the radio frames instruction of formula, may exist certain error at the time of this switches,
But this error does not influence system performance and transmission.It is basic even in the case of multi-beacon that the embodiment of the present invention solves double beacons
Service set switching time inconsistent problem.Embodiment through the invention, it is possible to reduce website carries out space in this BSS
The maloperation of multiplexing ensures effective progress of transmission.
Description of the drawings
Fig. 1 is the situation that the first access point AP1 and BSS color of the second access point AP2 selections is identical in the related technology
Schematic diagram；
Fig. 2 is that access point notifies website to carry out BSS after how many a TBTT within a beacon frame or by unicast frame
The schematic diagram of color switchings；
Fig. 3 is when using the sending method of double Beacon, and there are the BSS of a part of website in a period of time BSS
Situation schematic diagrames different from the BSS color of another part website color；
Fig. 4 is flow chart of the embodiment of the present invention one for the method for sending information of basic service set identification switching；
Fig. 5 is the method flow diagram of the basic service set identification switching of the embodiment of the present invention two；
Fig. 6 is module map of the embodiment of the present invention three for the information transmitting apparatus of basic service set identification switching；
Fig. 7 is the structure drawing of device for basic service set identification switching of the embodiment of the present invention four；
Fig. 8 is the signal of application example 1 of the present invention BSS color switchings when access point supports dual beacon functions
Figure；
Fig. 9 is the signal of application example 2 of the present invention BSS color switchings when access point supports dual beacon functions
Figure；
Figure 10 is that deviant increases schematic diagram in application example 3 of the present invention；
Figure 11 is that second instruction parameter increases schematic diagram in application example 3 of the present invention；
Figure 12 is that basic parameter increases schematic diagram in application example 4 of the present invention；
Figure 13 is the schematic diagram that first instruction parameter (deviant) indicates switching in application example 5 of the present invention.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention
Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application
Feature mutually can arbitrarily combine.
In order to overcome the BSS color of the selection of diverse access point in the related technology identical situation caused by drawback, it is fixed
The rule of justice BSS color switchings.Access point AP notifies STA (website) at how many within a beacon frame or by unicast frame
Target beacon transmission time (target beacon transmission time, TBTT) carries out BSS Color switchings afterwards, such as
Shown in Fig. 2.
In addition, in order to increase coverage area, increase transmission reliability, defines double Beacon (dual beacon, double letters
Mark) sending method, a kind of Beacon sends with the format of non-11ax, and a kind of format with 11ax is sent.
If the above-mentioned BSS color methods switched are applied in the sending method of double Beacon, there can be one
The problem of branch website is switched to new BSS color, and another part website is not switched to new Color, as shown in Figure 3.First stop
Point STA1 switches according to the first beacon frame of non-11ax formats into row information, and the second website STA2 is according to the second of 11ax formats the letter
It marks frame into row information to switch, then will have a period of time (the first beacon frame Beacon-1 (Count1=0) to the second beacon
Frame Beacon-2 (Count2=0)), a part of website uses old BSS color in BSS, and another part website uses new
BSS color cause the spatial reuse in BSS, interfere current transmission.
Embodiment one：
It is the method for sending information flow chart of the embodiment of the present invention one with reference to shown in Fig. 4, the method for the present embodiment is applied to
Access point the described method comprises the following steps：
Step 401, access point generates radio frames, and the radio frames include the first instruction parameter；The first instruction ginseng
Number carries the wireless frame information of effective handoff parameter for correcting at the time of basic service set identification switches or being used to indicate；
Step 402, described access point sends the radio frames.
In the present embodiment, optionally, the first instruction parameter includes deviant；The basic service set identification switching
At the time of for the first switching instant add deviant.
In the present embodiment, optionally, further include target beacon handoff parameter in the radio frames, the target beacon is cut
It is to need to continue to keep the target of old basic service set identification to believe before being switched to new basic service set identification to change parameter
Mark the number of transmission time.For example, when target beacon handoff parameter is set as 2, expression also needs to wait for 2 target beacon transmission
Moment (TBTT) could carry out the switching of BSS color.
Optionally, first switching instant is determined according to the target beacon handoff parameter or described first switches
Moment is the corresponding target beacon transmission time of beacon frame for carrying the first instruction parameter.First switching instant is ginseng
The value of benchmark, the deviant and reference data is examined, is determined by access point according to practical situation in concrete application.
In the present embodiment, optionally, first switching instant is determined according to the target beacon handoff parameter, packet
It includes：First switching instant is to carry the corresponding target beacon transmission time of beacon frame that target beacon handoff parameter is 0.When
So, only a kind of example herein, in practical applications, first switching instant, or other time points, this hair
Bright embodiment is not limited this.
In the present embodiment, optionally, the method further includes：Further include the second instruction parameter, institute in the radio frames
It states the second instruction parameter and is used to indicate the first instruction parameter and whether there is.
In the present embodiment, optionally, the radio frames include two or more format, and described two or two
Kind or more indicate in radio frames basic service set identification switching at the time of it is identical.
In the present embodiment, optionally, the wireless frame information for carrying effective handoff parameter includes at least one of：
Frame format, sequence number, bandwidth.
In the present embodiment, optionally, the radio frames include beacon frame either unicast radio frames or broadcast radio frame.
Embodiment two：
Referring to Figure 5, the method flow diagram switched for the basic service set identification of the embodiment of the present invention two, the present embodiment
Method be applied to website, the described method comprises the following steps：
Step 501, website receives radio frames, and the radio frames include the first instruction parameter；
Step 502, the website indicates parameter correction basic service set identification switching instant, Huo Zhegen according to described first
Indicate that parameter determines the radio frames of the effective handoff parameter of carrying according to described first.
In the present embodiment, optionally, the first instruction parameter includes deviant；The website is in the first switching instant
In addition carrying out basic service set identification switching at the time of deviant.
In the present embodiment, optionally, the method further includes：The website, which receives, carries the wireless of effective handoff parameter
Frame, and basic service set identification switching instant is determined according to effective handoff parameter.
In the present embodiment, optionally,
Further include target beacon handoff parameter in the radio frames, the target beacon handoff parameter be be switched to it is new
It needs to continue to keep the number of the target beacon transmission time of old basic service set identification before basic service set identification.
In the present embodiment, optionally, first switching instant is determined according to the target beacon handoff parameter.Or
Person, optionally, first switching instant are when carrying described first to indicate that the corresponding target beacon of the beacon frame of parameter is transmitted
It carves.
In the present embodiment, optionally, first switching instant is determined according to the target beacon handoff parameter, packet
It includes：First switching instant is to carry the corresponding target beacon transmission time of beacon frame that target beacon handoff parameter is 0.
In the present embodiment, optionally,
Further include the second instruction parameter in the radio frames, the second instruction parameter, which is used to indicate the first instruction parameter, is
No presence.
In the present embodiment, optionally,
The radio frames include two or more format, and indicated in described two or two or more radio frames
Basic service set identification is identical at the time of switching.
In the present embodiment, optionally,
The wireless frame information for carrying effective handoff parameter includes at least one of：Frame format, sequence number, band
It is wide.
In the present embodiment, optionally, effective handoff parameter refers to determining basic service office collection mark with the parameter
Know switching instant, effective handoff parameter includes：Target beacon handoff parameter and/or deviant.
In the present embodiment, optionally,
The radio frames include beacon frame either unicast radio frames or broadcast radio frame.
Embodiment three：
Fig. 6 is the module map of the information transmitting apparatus of the embodiment of the present invention three, and in the present embodiment, described device is applied to
In access point, described device includes：
Framing module, for generating radio frames, the radio frames include the first instruction parameter；The first instruction parameter
At the time of for correcting basic service set identification switching or it is used to indicate and carries the wireless frame information of effective handoff parameter；
Sending module, for sending the radio frames.
In the present embodiment, optionally, the first instruction parameter that the radio frames that the framing module generates include includes inclined
Shifting value；At the time of the basic service set identification switching deviant is added for the first switching instant.
In the present embodiment, optionally,
Further include target beacon handoff parameter in the radio frames that the framing module generates, the target beacon handoff parameter
To need to continue to keep the target beacon of old basic service set identification to transmit before being switched to new basic service set identification
The number at moment.
In the present embodiment, optionally,
First switching instant is determined according to the target beacon handoff parameter, alternatively, optionally, described first switches
Moment is the corresponding target beacon transmission time of beacon frame for carrying the first instruction parameter.
In the present embodiment, optionally, first switching instant is determined according to the target beacon handoff parameter, packet
It includes：First switching instant is to carry the corresponding target beacon transmission time of beacon frame that target beacon handoff parameter is 0.
In the present embodiment, optionally, the radio frames that the framing module generates further include the second instruction parameter, and described the
Two instruction parameters are used to indicate the first instruction parameter and whether there is.
In the present embodiment, optionally,
The radio frames that the framing module generates include two or more format, and described two or two or more
It is identical at the time of the basic service set identification switching indicated in radio frames.
In the present embodiment, optionally,
It includes at least one of that the radio frames that the framing module generates, which carry the wireless frame information of effective handoff parameter,：
Frame format, sequence number, bandwidth.
In the present embodiment, optionally,
Effective handoff parameter includes：Target beacon handoff parameter and/or deviant.
In the present embodiment, optionally,
The radio frames that the framing module generates include beacon frame either unicast radio frames or broadcast radio frame.
In the present embodiment, a kind of access point, including information described above sending device are additionally provided, about access point
Description details, with reference to the above-mentioned description to information transmitting apparatus.
Example IV：
It is the structure drawing of device that the basic service set identification of the embodiment of the present invention four switches, the present embodiment with reference to shown in Fig. 7
Device be applied to website, described device includes：
Receiving module, for receiving radio frames, the radio frames include the first instruction parameter；
Processing module is used for according to the first instruction parameter correction basic service set identification switching instant, or according to
The first instruction parameter determines the radio frames for carrying effective handoff parameter.
In the present embodiment, optionally, the first instruction parameter that the radio frames that the receiving module receives include includes inclined
Shifting value；The website carries out basic service set identification switching at the time of the first switching instant adds deviant.
In the present embodiment, optionally, the receiving module is additionally operable to receive the wireless of the effective handoff parameter of carrying
Frame；The processing module is additionally operable to determine basic service set identification switching instant according to effective handoff parameter.
In the present embodiment, optionally,
Further include target beacon handoff parameter in the radio frames that the receiving module receives, the target beacon handoff parameter
To need to continue to keep the target beacon of old basic service set identification to transmit before being switched to new basic service set identification
The number at moment.
In the present embodiment, optionally, first switching instant is determined according to the target beacon handoff parameter, or
Person, optionally, first switching instant are when carrying described first to indicate that the corresponding target beacon of the beacon frame of parameter is transmitted
It carves.
In the present embodiment, optionally, first switching instant is determined according to the target beacon handoff parameter, packet
It includes：First switching instant is to carry the corresponding target beacon transmission time of beacon frame that target beacon handoff parameter is 0.
In the present embodiment, optionally,
Further include the second instruction parameter in the radio frames that the receiving module receives, the second instruction parameter is used to indicate
First instruction parameter whether there is.
In the present embodiment, optionally,
The radio frames that the receiving module receives include two or more format, and described two or two or more
It is identical at the time of the basic service set identification switching indicated in radio frames.
In the present embodiment, optionally,
The wireless frame information that the radio frames instruction that the receiving module receives carries effective handoff parameter include it is following at least
One of：Frame format, sequence number, bandwidth.
In the present embodiment, optionally,
Effective handoff parameter includes：Target beacon handoff parameter and/or deviant.
In the present embodiment, optionally,
The radio frames that the receiving module receives include beacon frame either unicast radio frames or broadcast radio frame.
In the present embodiment, a kind of website is additionally provided, the device of basic service set identification described above switching is included,
The description details as described in website, with reference to the description of the above-mentioned device switched to basic service set identification.
The embodiment of the present invention additionally provides a kind of system for basic service set identification switching, including：
Access point, including,
Framing module, for generating radio frames, the radio frames include the first instruction parameter；The first instruction parameter
At the time of for correcting basic service set identification switching or it is used to indicate and carries the wireless frame information of effective handoff parameter；
Sending module, for sending the radio frames；
Handover module, for indicating that parameter carries out basic service set identification switching according to described first；
Website, including,
Receiving module, for receiving the radio frames；
Processing module is used for according to the first instruction parameter correction basic service set identification switching instant, or according to
The first instruction parameter determines the radio frames for carrying effective handoff parameter.
Optionally, the first instruction parameter that the radio frames that the framing module generates include includes deviant；It is described basic
At the time of service set switches deviant is added for the first switching instant.
Optionally, the receiving module is additionally operable to receive the radio frames for carrying effective handoff parameter；The processing mould
Block is additionally operable to determine basic service set identification switching instant according to effective handoff parameter.
The embodiment of the present invention additionally provides a kind of method for basic service set identification switching, including：
Access point generates radio frames, and the radio frames include the first instruction parameter；The first instruction parameter is used for school
At the time of positive basic service set identification switching or it is used to indicate the wireless frame information for carrying effective handoff parameter；
Access point sends the radio frames；
Access point indicates that parameter carries out basic service set identification switching according to described first；
Website receives the radio frames；
Website indicates parameter correction basic service set identification switching instant according to described first, or refers to according to described first
Show that parameter determines the radio frames for carrying effective handoff parameter.
Optionally,
The first instruction parameter includes deviant；It is the first switching instant at the time of the basic service set identification switching
In addition deviant.
Optionally, the method further includes：
The website receives the radio frames of the effective handoff parameter of carrying, and determines base according to effective handoff parameter
This service set switching instant.
Other of the above-mentioned system for being used for basic service set identification switching and the method for basic service set identification switching
Aspect is referred to the embodiment of the present invention one to the detailed description of example IV, and details are not described herein.
Technical solution of the present invention is illustrated below by the example in concrete application.
Application example 1：
In a wireless local area network, access point AP is associated with two STA：First website (STA1) and the second website (STA2).
AP supports dual beacon functions：Send the beacon of the beacon and the second format of the first format.In this application example,
First format is non-11ax formats, and second format is 11ax formats.Certainly, can also include other in practical application
The beacon of format.
In this application example, the first website STA1 is according to the first beacon frame of the first format (non-11ax formats)
(Beacon-1) parameter is operated, and the second website STA2 is according to the second beacon frame of the second format (11ax formats)
(Beacon-2) parameter is operated.
AP has selected BSS color of some value as this BSS.In the life cycle of BSS, AP has found the BSS of oneself
Color is identical with the BSS color of other BSS, and there are more serious collisions.AP determines to carry out BSS color switchings.AP exists
Target beacon handoff parameter and the first instruction parameter (offset are indicated in the beacon of the beacon of 11ax formats and non-11ax formats
Value).Wherein, target beacon handoff parameter be used to indicate access point and website needed before being switched to new BSS color after
The number of the TBTT of old BSS color is held in continuation of insurance.Deviant is used to indicate is equal to 0 relative to carrying target beacon handoff parameter
The corresponding TBTT of beacon frame shift time.Wherein, the corresponding TBTT of beacon frame that Target indication handoff parameter is equal to 0 is carried
It is the first switching instant.AP in this way and website carry out being exactly that the first switching instant biasing is moved at the time of basic service set identification switching
At the time of value is corresponding.
By the method for this application example, the Color of the beacon instructions of the beacon of 11ax formats and non-11ax formats
Point is identical at the time of switching.As shown in figure 8, the second beacon frame (Beacon-2) and the first format of the second format (11ax formats)
The beacon interval (Beacon interval, BI) that first beacon frame (Beacon-1) of (non-11ax formats) is sent is identical, AP hairs
Now the BSS color of oneself are identical with the BSS color of other BSS, determine to carry out BSS color switchings.First beacon frame
Beacon-1 notifies the target beacon handoff parameter and the first instruction parameter (deviant) of the first beacon frame Beacon-1；Second letter
Mark frame Beacon-2 notifies the target beacon handoff parameter and the first instruction parameter (deviant) of the second beacon frame Beacon-2.
Fig. 8 describes a special case, since the target beacon handoff parameter of the first beacon frame Beacon-1 is corresponding equal to 0
TBTT is more early equal to 0 corresponding TBTT than the target beacon handoff parameter of the second beacon frame Beacon-2.Therefore, the first beacon frame
The deviant of Beacon-1 instructions is not 0, and the target beacon handoff parameter for being set as the second beacon frame Beacon-2 is equal to 0 correspondence
TBTT and the first beacon frame Beacon-1 target beacon handoff parameter be equal to 0 corresponding TBTT time difference.And the second letter
The deviant for marking frame Beacon-2 instructions is 0.The first beacon frame Beacon-1 is received in this way carries out the first of BSS color switchings
Moment point is identical with second beacon frame Beacon-2 progress the second moment point of BSS color switchings is received.It should be noted that
Point is identical at the time of the switching, due to clock accuracy, receives time delay, the influence of the factors such as processing delay is likely to result in one
Fixed deviation.Switching at the time of point described in the embodiment of the present invention is identical, refers between first moment point and the second moment point
There may be the time differences in allowable range.
Here, the deviant that the first beacon frame Beacon-1 and the second beacon frame Beacon-2 are indicated respectively can not be
0.What Count1 and Count2 was indicated here is target beacon handoff parameter.Count1=2 in Fig. 8, i.e. target beacon switch
Parameter indicates the switching for also needing to wait for 2 TBTT that could carry out BSS color.
STA1 can not continue to intercept subsequent first letter after hearing the first beacon frame Beacon-1 of Count1=2
Frame is marked, at the time of obtaining BSS color switchings according to the target beacon handoff parameter of the first beacon frame Beacon-1 and deviant.
Preparation method is：The corresponding TBTT+ target beacons handoff parameter * BI+ deviants of current first beacon frame Beacon-1.Wherein,
BI is Beacon Interval (beacon interval).
Application example 2：
In a wireless local area network, access point AP is associated with two STA：First website (STA1) and the second website (STA2).
AP supports dual beacon functions：Send the beacon of the beacon and non-11ax formats of 11ax formats.STA1 is according to non-11ax
The parameter of the first beacon frame (Beacon-1) of format is operated, and STA2 is according to the second beacon frame (Beacon- of 11ax formats
2) parameter is operated.AP has selected BSS color of some value as this BSS.In the life cycle of BSS, AP has found
The BSS color of oneself are identical with the BSS color of other BSS, and there are more serious collisions.AP determines to carry out BSS
Color switches.AP indicates target beacon handoff parameter and in the beacon of 11ax formats and the beacon of non-11ax formats
One instruction parameter (deviant).Wherein, target beacon handoff parameter is used to indicate access point and website and is being switched to new BSS
It needs to continue to keep the number of the TBTT of old BSS color before color.Deviant is used to indicate relative to carrying target letter
Mark the shift time of beacon frame corresponding TBTT of the handoff parameter equal to 0.Wherein, it carries Target indication handoff parameter and is equal to 0
The corresponding TBTT of beacon frame is the first switching instant.AP in this way and website carry out being exactly the at the time of basic service set identification switching
At the time of one switching instant adds deviant to correspond to.
The Color of the beacon instructions of method through this embodiment, the beacon of 11ax formats and non-11ax formats is cut
Point is identical at the time of changing.As shown in figure 9, the beacon (the second beacon frame, Beacon-2) and non-11ax formats of 11ax formats
The Beacon Interval that beacon (the first beacon frame, Beacon-1) is sent are differed.AP has found the BSS Color of oneself
It is identical with the BSS Color of other BSS, it determines to carry out BSS Color switchings.Beacon-1 notifies the target beacon of Beacon-1
Handoff parameter and deviant；Beacon-2 notifies the target beacon handoff parameter and deviant of Beacon-2.Fig. 9 describes one
The deviant of special case, Beacon-1 instructions is 0, and the deviant of Beacon-2 instructions is not 0.Beacon-1 progress is received in this way
BSS color switching at the time of points are identical with Beacon-2 progress BSS color switching at the time of points are received.
Here, the deviant that the first beacon frame Beacon-1 and the second beacon frame Beacon-2 are indicated respectively can not be
0.What Count1 and Count2 was indicated here is target beacon handoff parameter.Count1=2 in Fig. 8, i.e. target beacon switch
Parameter indicates the switching for also needing to wait for 2 TBTT that could carry out BSS color.
STA1 can not continue to intercept subsequent beacon frame after hearing the first beacon frame Beacon-1 of Count1=2,
According to the target beacon handoff parameter of the first beacon frame Beacon-1 and deviant come at the time of acquiring BSS color switchings.
Preparation method is：The corresponding TBTT+ target beacons handoff parameter * BI+ deviants of Beacon-1 of current Count1=2.
There may be deviations, such as Beacon-1 pairs of current Count1=2 in practical applications for above-mentioned preparation method
The TBTT answered may not capture the TBTT times when calculating, above-mentioned TBTT is replaced at the time of reception with current Beacon-1.
Make that there may be deviations for the result finally calculated in this way, but belongs to admissible range.
Application example 3：
In a wireless local area network, access point AP supports dual beacon functions：Send the beacon of 11ax formats and non-
The beacon of 11ax formats.In the life cycle of BSS, AP has found the BSS color of the BSS color and other BSS of oneself
Identical, there are more serious collisions.AP determines to carry out BSS color switchings.AP passes through unicast radio frames or broadcast radio frame
Notify the parameter of website BSS Color switchings.AP notifies the ginseng of BSS color switchings by unicast radio frames or broadcast radio frame
The format that number uses is as shown in Figure 10.Wherein, the corresponding target letters of Color Switch Countdown (color switching countdown)
Mark handoff parameter, Color Switch Offset (color switching offset) corresponding first instruction parameter (deviant).Color
The length in the domains Switch Offset can specifically consider according to the difference of unit.If the unit in this domain is 1 microsecond (us),
Then in order to the time long enough of instruction, the bit number needed just compares more.If using 2 bytes, with 8 microseconds or
16us is that unit is a suitable value.The length and unit in the domains Color Switch Offset can be other values.This
Outside, in order to reduce expense, Color can be first indicated using some bits before the domains Color Switch Offset
The domains Switch Offset whether there is, this instruction is the second instruction parameter.Figure 11 is to use New BSS Color
1 bit in Information (new BSS Color information) domain indicates that the domains Color Switch Offset whether there is.If
The domains instruction Color Switch Offset are not present, then the value of the domains implicit indication Color Switch Offset instruction is 0.
Application example 4：
In a wireless local area network, access point AP is associated with two STA：First website (STA1) and the second website (STA2).
AP supports dual beacon functions：Send the beacon of the beacon and non-11ax formats of 11ax formats.STA1 can be received
The beacon of the beacon of 11ax formats and non-11ax formats.STA2 can only receive the beacon of 11ax formats.Cause above-mentioned feelings
The reason of condition may be since STA1 distances AP is closer, and STA2 distances AP is farther out.
AP has selected BSS color of some value as this BSS.In the life cycle of BSS, AP has found the BSS of oneself
Color is identical with the BSS color of other BSS, and there are more serious collision, AP determines to carry out BSS color switchings.AP exists
Indicate that target beacon handoff parameter and the first instruction parameter (are used in the beacon of the beacon of 11ax formats and non-11ax formats
Indicate the radio frames of the effective handoff parameter of carrying).Wherein, target beacon handoff parameter is used to indicate access point and website and is switching
To the number for needing to continue to keep the TBTT of old BSS color before new BSS color.First instruction parameter is used to indicate
The target beacon handoff parameter of non-11ax formats beacon of being subject to still is subject to 11ax format Beacon frames.
Such as in this scene, since STA2 can only receive the Beacon of 11ax formats, and STA1 can receive 11ax lattice
The Beacon of the Beacon of formula and non-11ax formats.Therefore, can be in the Beacon of non-11ax formats, the first instruction parameter refers to
Show the parameter being subject in the Beacon of 11ax formats.In the Beacon of 11ax formats, the first instruction parameter instruction is with 11ax
Subject to parameter in the Beacon of format.
STA1 can only receive one type Beacon, such as the Beacon of non-11ax formats, in non-11ax formats
In Beacon, it is found that the Beacon of 11ax formats is subject in the first instruction parameter instruction, in this way, STA1 can go to receive 11ax again
The Beacon of format.In this way, for STA1, can not only save power, but can with can only receive 11ax formats Beacon
STA2 parameter switching at the time of points be consistent.
In addition, there is also a kind of special case, i.e. AP only sends the Beacon of non-11ax formats.In the feelings of BSS color switchings
Under condition, the first instruction parameter is designated as being subject to the Beacon of non-11ax formats.
Figure 12 is to indicate the first instruction parameter using the basic parameter domain in the domains New BSS Color Information.
Here illustrated example, basic parameter indicated using 1 bit, if setting 1 expression is subject to the Beacon of 11ax formats, sets to 0 expression
It is subject to the Beacon of non-11ax formats.
Application example 5：
In a wireless local area network, access point AP is associated with two STA：First website (STA1) and the second website (STA2).
AP supports dual beacon functions：Send the beacon of the beacon and non-11ax formats of 11ax formats.STA1 can be received
The beacon of the beacon of 11ax formats and non-11ax formats.STA2 can only receive the beacon of 11ax formats.Cause above-mentioned feelings
The reason of condition may be since STA1 distances AP is closer, and STA2 distances AP is farther out.
AP has selected BSS color of some value as this BSS.In the life cycle of BSS, AP has found the BSS of oneself
Color is identical with the BSS color of other BSS, and there are more serious collision, AP determines to carry out BSS color switchings.AP exists
The first instruction parameter (deviant) of instruction in the beacon of the beacon of 11ax formats and non-11ax formats.11ax formats
The calculated switching BSS color at the time ofs point of deviant indicated in the beacon of beacon and non-11ax formats is answered identical.
The first instruction parameter (offset that AP is indicated in sending the beacon of beacon or non-11ax formats of 11ax formats
Value) it needs to ensure regardless of that all should be same according to the calculated basic service set switching instants of beacon of which kind of format.
STA1 calculates switching BSS color's according to the parameter of the beacon of the beacon or non-11ax formats of 11ax formats
Moment point：The current corresponding TBTT+ deviants of beacon frames for carrying deviant.
STA2 calculates switching BSS color at the time of points according to the parameter of the beacon of 11ax formats：It is current to carry offset
The corresponding TBTT+ deviants of beacon frames of value.
It is identical that STA1 and STA2 calculates at the time of point.Website is in synchronization point switching BSS color in this way.
As shown in figure 13, Figure 13 only describes a Beacon in the Beacon of 11ax formats and non-11ax formats
The schematic diagram for the first instruction parameter (deviant) that a Beacon in Beacon is carried respectively.AP is in other 11ax formats
Deviant is carried in Beacon and also in the Beacon of non-11ax formats, these deviants are possibly different from, and AP needs to ensure
The basic service set switching instant that the deviant carried in all beacon is calculated is consistent.
In addition, the embodiment of the present application also provides a kind of computer readable storage medium, computer executable instructions are stored with,
The computer executable instructions are performed the method for realizing the embodiment of the present invention：
Above computer readable storage medium storing program for executing, including some instructions are used so that a computer installation (can be personal
Computer, server or network equipment etc.) or each embodiment the method for processor (Processor) the execution present invention
Part steps.And the computer readable storage medium includes：USB flash disk, mobile hard disk, read-only memory (ReadOnly
Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. are various to deposit
Store up the medium of program code.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.Pass through above embodiment party
The description of formula, it is required general that those skilled in the art can be understood that above-described embodiment method can add by software
The mode of hardware platform is realized, naturally it is also possible to which by hardware, but the former is more preferably embodiment in many cases.It is based on
Such understanding, the part that the technical solution of the embodiment of the present invention substantially in other words contributes to the relevant technologies can be with soft
The form of part product embodies, which is stored in a storage medium (such as ROM/RAM, magnetic disc, CD)
In, including some instructions use is so that a station terminal equipment (can be mobile phone, computer, server or the network equipment etc.)
Execute the method described in each embodiment of the present invention.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (50)
1. a kind of method for sending information, including：
Access point generates radio frames, and the radio frames include the first instruction parameter；The first instruction parameter is for correcting base
At the time of this service set switches or it is used to indicate the wireless frame information for carrying effective handoff parameter；
Described access point sends the radio frames.
2. the method as described in claim 1, it is characterised in that：
The first instruction parameter includes deviant；It is added for the first switching instant at the time of the basic service set identification switching
Deviant.
3. method as claimed in claim 2, it is characterised in that：
Further include target beacon handoff parameter in the radio frames, the target beacon handoff parameter be be switched to it is new basic
It needs to continue to keep the number of the target beacon transmission time of old basic service set identification before service set.
4. method as claimed in claim 3, it is characterised in that：First switching instant switches according to the target beacon and joins
Number determines.
5. method as claimed in claim 2, first switching instant is the beacon frame pair for carrying the first instruction parameter
The target beacon transmission time answered.
6. method as claimed in claim 4, it is characterised in that：First switching instant switches according to the target beacon and joins
Number determination, including：First switching instant is to carry the corresponding target beacon of beacon frame that target beacon handoff parameter is 0 to pass
The defeated moment.
7. the method as described in claim 1, it is characterised in that：Further include the second instruction parameter in the radio frames, described
Two instruction parameters are used to indicate the first instruction parameter and whether there is.
8. the method as described in claim 1, it is characterised in that：
The radio frames include two or more format, and are indicated in described two or two or more radio frames basic
Service set is identical at the time of switching.
9. the method as described in claim 1, it is characterised in that：The wireless frame information for carrying effective handoff parameter include with
It is at least one lower：Frame format, sequence number, bandwidth.
10. method as claimed in claim 9, it is characterised in that：Effective handoff parameter includes：Target beacon handoff parameter
And/or deviant.
11. the method as described in any one of claims 1 to 10, it is characterised in that：
The radio frames include beacon frame either unicast radio frames or broadcast radio frame.
12. a kind of method of basic service set identification switching, including：
Website receives radio frames, and the radio frames include the first instruction parameter；
The website indicates parameter correction basic service set identification switching instant according to described first, or refers to according to described first
Show that parameter determines the radio frames for carrying effective handoff parameter.
13. method as claimed in claim 12, it is characterised in that：
The first instruction parameter includes deviant；The website carries out basic at the time of the first switching instant adds deviant
Service set switches.
14. method as claimed in claim 12, it is characterised in that：The method further includes：
The website receives the radio frames for carrying effective handoff parameter, and determines basic clothes according to effective handoff parameter
Business set identifier switching instant.
15. method as claimed in claim 13, it is characterised in that：
Further include target beacon handoff parameter in the radio frames, the target beacon handoff parameter be be switched to it is new basic
It needs to continue to keep the number of the target beacon transmission time of old basic service set identification before service set.
16. method as claimed in claim 15, it is characterised in that：First switching instant switches according to the target beacon
Parameter determines.
17. method as claimed in claim 13, it is characterised in that：First switching instant is to carry the first instruction ginseng
The corresponding target beacon transmission time of several beacon frames.
18. the method described in claim 16, it is characterised in that：First switching instant switches according to the target beacon
Parameter determination, including：First switching instant is to carry the corresponding target beacon of beacon frame that target beacon handoff parameter is 0
Transmission time.
19. method as claimed in claim 12, it is characterised in that：
Further include the second instruction parameter in the radio frames, the second instruction parameter is used to indicate whether the first instruction parameter deposits
.
20. method as claimed in claim 12, it is characterised in that：
The radio frames include two or more format, and are indicated in described two or two or more radio frames basic
Service set is identical at the time of switching.
21. method as claimed in claim 12, it is characterised in that：
The wireless frame information for carrying effective handoff parameter includes at least one of：Frame format, sequence number, bandwidth.
22. method as claimed in claim 21, it is characterised in that：
Effective handoff parameter includes：Target beacon handoff parameter and/or deviant.
23. the method as described in any one of claim 12 to 22, it is characterised in that：
The radio frames include beacon frame either unicast radio frames or broadcast radio frame.
24. a kind of information transmitting apparatus, which is characterized in that including：
Framing module, for generating radio frames, the radio frames include the first instruction parameter；The first instruction parameter is used for
Correct at the time of basic service set identification switches or be used to indicate the wireless frame information for carrying effective handoff parameter；
Sending module, for sending the radio frames.
25. device as claimed in claim 24, it is characterised in that：
The first instruction parameter that the radio frames that the framing module generates include includes deviant；The basic service set identification is cut
At the time of changing deviant is added for the first switching instant.
26. device as claimed in claim 25, it is characterised in that：
Further include target beacon handoff parameter in the radio frames that the framing module generates, the target beacon handoff parameter be
It needs to continue to keep the target beacon transmission time of old basic service set identification before being switched to new basic service set identification
Number.
27. device as claimed in claim 26, it is characterised in that：
First switching instant is determined according to the target beacon handoff parameter.
28. device as claimed in claim 25, it is characterised in that：First switching instant is to carry the first instruction ginseng
The corresponding target beacon transmission time of several beacon frames.
29. device as claimed in claim 27, it is characterised in that：First switching instant switches according to the target beacon
Parameter determination, including：First switching instant is to carry the corresponding target beacon of beacon frame that target beacon handoff parameter is 0
Transmission time.
30. device as claimed in claim 24, it is characterised in that：The radio frames that the framing module generates further include the second finger
Show that parameter, the second instruction parameter are used to indicate the first instruction parameter and whether there is.
31. device as claimed in claim 24, it is characterised in that：
The radio frames that the framing module generates include two or more format, and described two or two or more wireless
It is identical at the time of the basic service set identification switching indicated in frame.
32. device as claimed in claim 24, it is characterised in that：
It includes at least one of that the radio frames instruction that the framing module generates, which carries the wireless frame information of effective handoff parameter,：
Frame format, sequence number, bandwidth.
33. device as claimed in claim 32, it is characterised in that：
Effective handoff parameter includes：Target beacon handoff parameter and/or deviant.
34. the device as described in claim 24 to 33 any one, it is characterised in that：
The radio frames that the framing module generates include beacon frame either unicast radio frames or broadcast radio frame.
35. a kind of device of basic service set identification switching, which is characterized in that including：
Receiving module, for receiving radio frames, the radio frames include the first instruction parameter；
Processing module is used for according to the first instruction parameter correction basic service set identification switching instant, or according to described
First instruction parameter determines the radio frames for carrying effective handoff parameter.
36. device as claimed in claim 35, it is characterised in that：
The first instruction parameter that the radio frames that the receiving module receives include includes deviant；The website is when first switches
Basic service set identification switching is carried out at the time of quarter plus deviant.
37. device as claimed in claim 35, it is characterised in that：
The receiving module is additionally operable to receive the radio frames for carrying effective handoff parameter；The processing module, is additionally operable to root
Basic service set identification switching instant is determined according to effective handoff parameter.
38. device as claimed in claim 36, it is characterised in that：
Further include target beacon handoff parameter in the radio frames that the receiving module receives, the target beacon handoff parameter be
It needs to continue to keep the target beacon transmission time of old basic service set identification before being switched to new basic service set identification
Number.
39. device as claimed in claim 38, it is characterised in that：First switching instant switches according to the target beacon
Parameter determines.
40. device as claimed in claim 36, it is characterised in that：First switching instant is to carry the first instruction ginseng
The corresponding target beacon transmission time of several beacon frames.
41. device as claimed in claim 39, it is characterised in that：First switching instant switches according to the target beacon
Parameter determination, including：First switching instant is to carry the corresponding target beacon of beacon frame that target beacon handoff parameter is 0
Transmission time.
42. device as claimed in claim 35, it is characterised in that：
Further include the second instruction parameter in the radio frames that the receiving module receives, the second instruction parameter is used to indicate first
Instruction parameter whether there is.
43. device as claimed in claim 35, it is characterised in that：
The radio frames that the receiving module receives include two or more format, and described two or two or more wireless
It is identical at the time of the basic service set identification switching indicated in frame.
44. device as claimed in claim 35, it is characterised in that：
It includes at least one of that the radio frames instruction that the receiving module receives, which carries the wireless frame information of effective handoff parameter,：
Frame format, sequence number, bandwidth.
45. device as claimed in claim 44, it is characterised in that：
Effective handoff parameter includes：Target beacon handoff parameter and/or deviant.
46. the device as described in any one of claim 35 to 45, it is characterised in that：
The radio frames that the receiving module receives include beacon frame either unicast radio frames or broadcast radio frame.
47. a kind of access point, which is characterized in that include the information transmission dress as described in any one of claim 24~34
It sets.
48. a kind of website, which is characterized in that include the basic service set identification as described in any one of claim 35~46
The device of switching.
49. a kind of system for basic service set identification switching, which is characterized in that including：
Access point, including,
Framing module, for generating radio frames, the radio frames include the first instruction parameter；The first instruction parameter is used for
Correct at the time of basic service set identification switches or be used to indicate the wireless frame information for carrying effective handoff parameter；
Sending module, for sending the radio frames；
Handover module, for indicating that parameter carries out basic service set identification switching according to described first；
Website, including,
Receiving module, for receiving the radio frames；
Processing module is used for according to the first instruction parameter correction basic service set identification switching instant, or according to described
First instruction parameter determines the radio frames for carrying effective handoff parameter.
50. a kind of method for basic service set identification switching, including：
Access point generates radio frames, and the radio frames include the first instruction parameter；The first instruction parameter is for correcting base
At the time of this service set switches or it is used to indicate the wireless frame information for carrying effective handoff parameter；
Access point sends the radio frames；
Access point indicates that parameter carries out basic service set identification switching according to described first；
Website receives the radio frames；
Website indicates parameter correction basic service set identification switching instant according to described first, or is joined according to first instruction
Number determines the radio frames for carrying effective handoff parameter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100218.8A CN108471614A (en) | 2017-02-23 | 2017-02-23 | A kind of method for sending information and device |
| PCT/CN2017/118511 WO2018153157A1 (en) | 2017-02-23 | 2017-12-26 | Information sending method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100218.8A CN108471614A (en) | 2017-02-23 | 2017-02-23 | A kind of method for sending information and device |
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| CN108471614A true CN108471614A (en) | 2018-08-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113543243A (en) * | 2020-04-18 | 2021-10-22 | 华为技术有限公司 | Link processing method, multi-link device and computer readable storage medium |
| WO2022261900A1 (en) * | 2021-06-17 | 2022-12-22 | 北京小米移动软件有限公司 | Parameter processing method, and access point device, station device and storage medium |
| WO2023279293A1 (en) * | 2021-07-07 | 2023-01-12 | 北京小米移动软件有限公司 | Signal processing method and apparatus, electronic device, and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7388857B2 (en) * | 2004-04-12 | 2008-06-17 | Samsung Electronics Co., Ltd. | Method and system for synchronizing two end terminals using beacon synchronization with multiple channels in a wireless local area network |
| CN101047910A (en) * | 2006-03-27 | 2007-10-03 | 上海宇梦通信科技有限公司 | Method for two-mode synchronous in two-mode mobile phone |
| EP4102762B1 (en) * | 2015-01-09 | 2023-12-20 | InterDigital Patent Holdings, Inc. | Bss-color enhanced transmission in wlans (bss-cet) |
| JP6624194B2 (en) * | 2015-02-27 | 2019-12-25 | ソニー株式会社 | Information processing equipment |
| US10111167B2 (en) * | 2015-05-22 | 2018-10-23 | Qualcomm Incorporated | Detection and resolution of a reduced version basic service set identifier collision |
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2017
- 2017-02-23 CN CN201710100218.8A patent/CN108471614A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113543243A (en) * | 2020-04-18 | 2021-10-22 | 华为技术有限公司 | Link processing method, multi-link device and computer readable storage medium |
| WO2022261900A1 (en) * | 2021-06-17 | 2022-12-22 | 北京小米移动软件有限公司 | Parameter processing method, and access point device, station device and storage medium |
| WO2023279293A1 (en) * | 2021-07-07 | 2023-01-12 | 北京小米移动软件有限公司 | Signal processing method and apparatus, electronic device, and storage medium |
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