CN109769270A - Bandwidth of operation method of adjustment and device - Google Patents
Bandwidth of operation method of adjustment and device Download PDFInfo
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- CN109769270A CN109769270A CN201910250567.7A CN201910250567A CN109769270A CN 109769270 A CN109769270 A CN 109769270A CN 201910250567 A CN201910250567 A CN 201910250567A CN 109769270 A CN109769270 A CN 109769270A
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- bandwidth
- target terminal
- unicast message
- radio frequency
- rate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the present invention provides a kind of bandwidth of operation method of adjustment and device, the described method includes: selection meets the target terminal of condition from all terminals for accessing this AP, calculate the rate that this AP sends unicast message to each target terminal, determine that this AP sends the flank speed of unicast message under current radio frequency mode to each target terminal, send the flank speed of unicast message to each target terminal under current radio frequency mode to the rate of each target terminal transmission unicast message and this AP according to this AP, it is determined whether adjust bandwidth of operation K of this AP under current radio frequency mode.The embodiment of the present invention can send bandwidth of operation of the rate adjust automatically AP of unicast message under current radio frequency mode to terminal according to AP, manual operation is not needed, the treatment effeciency of bandwidth of operation adjustment is improved, while also improving the intelligence degree of bandwidth of operation adjustment process.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of bandwidth of operation method of adjustment and devices.
Background technique
In network communications, a kind of widely used mode is that terminal is accessed by access point (Access Point, AP)
Network.Wirelessly it is connected between terminal and AP.Currently, WLAN (Wireless Local Area Networks,
WLAN) terminal kinds are various, and quality is irregular.Under identical wireless environment, such as the same AP is accessed in same radio frequency
The service provided under mode, different types of terminal wireless usage experience are different.
In the related technology, the multiple parameters such as speed, time delay are selected to evaluate terminal AP's by retransmission rate, packet loss, message
Wireless usage experience under a certain rf-mode is respectively compared parameters in the wireless usage experience of relatively different terminals
Parameter value.Then the wireless usage experience of each terminal under the same rf-mode in AP obtained according to this mode
Data carry out manual analysis, and manually adjust bandwidth of operation of the AP under the rf-mode based on the analysis results.This work belt
Wide adjustment mode needs manual operation, and regulated efficiency is low；Ununified judgment criteria, it is higher to operator's technical requirements,
And easily lead to adjustment result inaccuracy.
Summary of the invention
To overcome the problems in correlation technique, the present invention provides a kind of bandwidth of operation method of adjustment and device, energy
Enough improve the treatment effeciency of bandwidth of operation adjustment.
In a first aspect, the present invention provides a kind of bandwidth of operation method of adjustment, this method is applied to AP, which comprises
Selection meets the target terminal of condition from all terminals for accessing this AP, and the target terminal is after accessing this AP
The difference of bandwidth of operation K of the bandwidth of operation and this AP negotiated with this AP under current radio frequency mode is less than or equal to setting bandwidth threshold
Value；
Calculate the rate that this AP sends unicast message to each target terminal；
Determine that this AP sends the flank speed of unicast message under current radio frequency mode to each target terminal；
According to this AP to each target terminal send unicast message rate and this AP under current radio frequency mode to each target
The flank speed of terminal transmission unicast message, it is determined whether adjust bandwidth of operation K of this AP under current radio frequency mode.
With reference to first aspect, in the first possible implementation, described this AP of calculating is sent single to each target terminal
Broadcasting literary rate includes:
For each target terminal, minute book AP sends each unicast to the target terminal by eating dishes without rice or wine in specified duration
The time-consuming of message, it is described it is time-consuming for since sending unicast message to confirm that unicast message transmission success or failure spent when
Between；
This AP is counted in the specified duration by the time-consuming for all unicast messages for eating dishes without rice or wine to send to the target terminal
The sum of T；
Count the sum of the flow that this AP sends successfully all unicast messages in the specified duration to the target terminal
S；
Rate of this AP to target terminal transmission unicast message is calculated according to the S and the T.
With reference to first aspect, in the second possible implementation, described this AP of determination under current radio frequency mode to
Each target terminal sends the flank speed of unicast message, comprising:
For each target terminal, this AP is searched in preset rate set table under the bandwidth of operation of current radio frequency mode
The flank speed of unicast message is sent to the target terminal.
With reference to first aspect, in the third possible implementation, described that list is sent to each target terminal according to this AP
The rate and this AP of broadcasting text send the flank speed of unicast message under current radio frequency mode to each target terminal, it is determined whether
Adjust bandwidth of operation K of this AP under current radio frequency mode, comprising:
For each target terminal, calculates this AP and penetrated to the rate that the target terminal sends unicast message with this AP currently
The speed ratio of the flank speed of unicast message is sent under frequency mode to the target terminal；
The quantity M of target terminal of the Statistical Rate than being greater than preset first threshold；
Calculate the ratio H of the total quantity N of the M and target terminal；
Compare H and preset second threshold, the comparison result according to H and second threshold determines whether to adjust this AP described
Bandwidth of operation K under current radio frequency mode.
With reference to first aspect, in the fourth possible implementation, the comparison result according to H and second threshold is true
It is fixed whether to adjust bandwidth of operation K of this AP under current radio frequency mode, comprising:
If H is greater than or equal to second threshold, bandwidth of operation of this AP under current radio frequency mode is maintained, or increase this AP
Bandwidth of operation under current radio frequency mode；
If H is less than second threshold, is sent from this AP to each target terminal in the rate of unicast message and select value most
Big rate finds the immediate candidate rates of rate selected with this, by this AP current in preset rate set table
Bandwidth of operation under rf-mode is updated to bandwidth corresponding with candidate rates, updated bandwidth of operation in the rate set table
Less than the bandwidth of operation before update.
Second aspect, the present invention provide a kind of bandwidth of operation adjustment device, which is applied to AP, and described device includes:
Selecting module, the target terminal for selecting to meet condition from all terminals for accessing this AP, the target are whole
Hold be less than after access this AP with the difference of the bandwidth of operation K under current radio frequency mode of bandwidth of operation and this AP of this AP negotiation or
Equal to setting bandwidth threshold；
Computing module, the rate for calculating this AP to each target terminal transmission unicast message；
Determining module, for determining this AP under current radio frequency mode to the most high speed of each target terminal transmission unicast message
Rate；
Module is adjusted, the rate and this AP for sending unicast message to each target terminal according to this AP are in current radio frequency mould
The flank speed of unicast message is sent under formula to each target terminal, it is determined whether adjust work of this AP under current radio frequency mode
Bandwidth K.
In conjunction with second aspect, in the first possible implementation, the computing module is specifically used for:
For each target terminal, minute book AP sends each unicast to the target terminal by eating dishes without rice or wine in specified duration
The time-consuming of message, it is described it is time-consuming for since sending unicast message to confirm that unicast message transmission success or failure spent when
Between；
This AP is counted in the specified duration by the time-consuming for all unicast messages for eating dishes without rice or wine to send to the target terminal
The sum of T；
Count the sum of the flow that this AP sends successfully all unicast messages in the specified duration to the target terminal
S；
Rate of this AP to target terminal transmission unicast message is calculated according to the S and the T.
In conjunction with second aspect, in the second possible implementation, the determining module is specifically used for:
For each target terminal, this AP is searched in preset rate set table in the bandwidth of operation K of current radio frequency mode
The lower flank speed that unicast message is sent to the target terminal.
In conjunction with second aspect, in the third possible implementation, the adjustment module is specifically used for:
For each target terminal, calculates this AP and penetrated to the rate that the target terminal sends unicast message with this AP currently
The speed ratio of the flank speed of unicast message is sent under frequency mode to the target terminal；
The quantity M of target terminal of the Statistical Rate than being greater than preset first threshold；
Calculate the ratio H of the total quantity N of the M and target terminal；
Compare H and preset second threshold, the comparison result according to H and second threshold determines whether to adjust this AP current
Bandwidth of operation K under rf-mode.
In conjunction with second aspect, in the fourth possible implementation, the adjustment module is for according to H and the second threshold
When the comparison result of value determines whether to adjust bandwidth of operation K of this AP under current radio frequency mode, it is specifically used for:
If H is greater than or equal to second threshold, bandwidth of operation of this AP under current radio frequency mode is maintained, or increase this AP
Bandwidth of operation under current radio frequency mode；
If H is less than second threshold, is sent from this AP to each target terminal in the rate of unicast message and select value most
Big rate finds the immediate candidate rates of rate selected with this, by this AP current in preset rate set table
Bandwidth of operation under rf-mode is updated to bandwidth corresponding with candidate rates, updated bandwidth of operation in the rate set table
Less than the bandwidth of operation before update.
Therefore, it by applying bandwidth of operation method of adjustment provided by the invention and device, can be sent according to AP to terminal
Bandwidth of operation of the rate adjust automatically AP of unicast message under current radio frequency mode, does not need manual operation, improves work
The treatment effeciency of Bandwidth adjustment, while also improving the intelligence degree of bandwidth of operation adjustment process.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
This specification can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the reality for meeting this specification
Example is applied, and is used to explain the principle of this specification together with specification.
Fig. 1 is the flow example of the method for the unicast message transmission rate provided in an embodiment of the present invention for calculating target terminal
Figure.
Fig. 2 is the exemplary diagram that the AP provided in an embodiment of the present invention under current radio frequency mode sends unicast message to terminal.
Fig. 3 is the flow example figure of bandwidth of operation method of adjustment provided in an embodiment of the present invention.
Fig. 4 is the functional block diagram of bandwidth of operation adjustment device provided in an embodiment of the present invention.
Fig. 5 is a kind of hardware structure diagram of AP equipment provided in an embodiment of the present invention.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the embodiment of the present invention.
It in the term that the embodiment of the present invention uses and is not intended to merely for describing the purpose of the specific embodiment of the present invention
Limit the embodiment of the present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " institute
State " and "the" be also intended to including most forms, unless the context clearly indicates other meaning.It is also understood that making herein
Term "and/or" refers to and may combine comprising one or more associated any or all of project listed.
It will be appreciated that though various letters may be described using term first, second, third, etc. in the embodiment of the present invention
Breath, but these information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example,
In the case where not departing from range of embodiment of the invention, the first information can also be referred to as the second information, similarly, the second information
The first information can also be referred to as.Depending on context, word as used in this " if " can be construed to " ...
When " or " when ... " or " in response to determination ".
One AP can support multiple rf-modes, for example, rf-mode 1 are as follows: 802.11ac, rf-mode 2 are as follows:
802.11n.Within the same time, AP works under a rf-mode.Each rf-mode can support various bandwidth, such as
AP can support tetra- kinds of bandwidth of 20MHz, 40MHz, 80MHz and 160MHz under this rf-mode of 802.11ac, that is to say, that
Bandwidth of operation of the AP under this rf-mode of 802.11ac can be 20MHz, 40MHz, 80MHz or 160MHz.
In AP use process, in order to improve the usage experience of user, it is often necessary to adjust AP according to current environment and penetrate
Bandwidth of operation under frequency mode.For example, high-speed can be obtained by the bandwidth of operation of the rf-mode of raising AP, but improve
Bandwidth of operation is equivalent to the rf-mode and occupies multiple channels, and non-interfering number of channels available is caused to reduce.Wireless
In highly dense scene, there are a large amount of radio frequency in limited space, high bandwidth is used, although flank speed improves, is reduced mutually
The number of channels available that do not interfere certainly will increase co-channel interference, so that message space conflict aggravates.Using low bandwidth, due to mutual
The number of channels available that do not interfere increases, and reduces co-channel interference, but reduce flank speed.
In the related technology, network administrator according to retransmission rate, packet loss, message choosing speed, the multiple parameters such as time delay jointly come
Wireless usage experience of the terminal under a rf-mode is evaluated, then basis accesses all of AP under the rf-mode
The wireless usage experience data of terminal carry out manual analysis, manually adjust work of the AP under the rf-mode according to analysis result
Bandwidth.This Bandwidth adjustment mode needs manual operation, and treatment effeciency is low, and intelligence degree is low, and to operator
Technical level require it is relatively high.
In the embodiment of the present invention, penetrated to rate this parameter evaluation terminal that terminal sends unicast message at one using AP
Wireless usage experience under frequency mode, is then based under the rf-mode, and AP sends single to all target terminals of access AP
Broadcast the rate of text, bandwidth of operation of the adjust automatically AP under the rf-mode.
AP can use bandwidth of operation method of adjustment adjustment AP provided in an embodiment of the present invention in any one rf-mode
Under bandwidth of operation.When AP supports multiple rf-modes, AP utilizes bandwidth of operation method of adjustment provided in an embodiment of the present invention,
The bandwidth of operation under each rf-mode can be adjusted respectively.
Bandwidth of operation method of adjustment provided in an embodiment of the present invention is described in detail below.
Bandwidth of operation method of adjustment provided in an embodiment of the present invention is independently transported for each rf-mode in AP
Capable.
Here the illustratively concept of target terminal.Herein, target terminal refers to mentions under current radio frequency mode in AP
For servicing and meeting the terminal of condition, which is: target terminal is being worked as after accessing AP with the AP bandwidth of operation negotiated and AP
The difference of bandwidth of operation K under preceding rf-mode is less than or equal to setting bandwidth threshold.
For convenience of description, herein, bandwidth of operation terminal negotiated after accessing AP with AP is known as work after negotiating
Make bandwidth.
It illustrates.Assuming that AP is under rf-mode 1, the bandwidth of operation of support have 20MHz, 40MHz, 80MHz and
160MHz.The bandwidth of operation that terminal A is supported has 20MHz, 40MHz, 80MHz, the bandwidth of operation that terminal B is supported have 20MHz,
40MHz.Bandwidth threshold is set as 10MHz.When work at present bandwidth K of the AP under rf-mode 1 is 80MHz, terminal A, terminal B
AP is accessed under rf-mode 1.After terminal A and AP negotiates, determine the bandwidth of operation of terminal A for 80MHz, terminal B and AP negotiation
Afterwards, the bandwidth of operation for determining terminal B is 40MHz, i.e., bandwidth of operation is 80MHz, work after the negotiation of terminal B after the negotiation of terminal A
Making bandwidth is 40MHz.Since bandwidth of operation is identical as work at present bandwidth K of the AP under rf-mode 1 after the negotiation of terminal A
(i.e. the difference of bandwidth of operation of the bandwidth of operation and AP that terminal A negotiates after accessing AP with AP under current radio frequency mode is 0), because
This terminal A is target terminal of the AP under rf-mode 1, bandwidth of operation and AP working as under rf-mode 1 after the negotiation of terminal B
The difference of preceding bandwidth of operation K is 40MHz, is greater than setting bandwidth threshold 10MHz, therefore terminal B is not mesh of the AP under rf-mode 1
Mark terminal.
Due to may be subjected to interference in radio frequency environment, bandwidth of operation may exist lower than AP after the negotiation of terminal
Bandwidth of operation under current radio frequency mode.For example, bandwidth of operation is 80MHz after the negotiation of aforementioned terminals A, but the association of terminal A
Bandwidth of operation may be 79MHz after quotient.Therefore, a bandwidth threshold is set here, the bandwidth of operation after terminal and AP are negotiated
And when the difference of bandwidth of operation K of the AP under current radio frequency mode is less than or equal to setting bandwidth threshold, mmk terminal is determined as mesh
Mark terminal.
In the embodiment of the present invention, the rate for using AP to send unicast message to terminal under current radio frequency mode is whole as evaluation
Hold the parameter of the wireless usage experience under current radio frequency mode.
Fig. 1 is the process of the method for the rate that calculating AP provided in an embodiment of the present invention sends unicast message to target terminal
Exemplary diagram.This method can be applied in access point AP, as shown in Figure 1, this method may include:
S101, minute book AP pass through the time-consuming for eating dishes without rice or wine to send each unicast message to the target terminal in specified duration,
Since the time-consuming be to send success or failure the time it takes to confirmation unicast message sending unicast message.
S102 counts this AP in specified duration by the time-consuming for all unicast messages for eating dishes without rice or wine to send to the target terminal
The sum of T.
S103 counts the flow that this AP sends successfully all unicast messages in the specified duration to the target terminal
The sum of S.
S104 calculates rate of this AP to target terminal transmission unicast message according to S and T.
It should be noted that the target terminal in embodiment illustrated in fig. 1 refers to the same terminal.I.e. for each end
End can calculate rate of the AP to terminal transmission unicast message using embodiment illustrated in fig. 1.When in current radio frequency mode
Under when having multiple terminals access AP, to each terminal, the method that embodiment illustrated in fig. 1 is respectively adopted obtains AP and sends to the terminal
The rate of unicast message.
The process of embodiment illustrated in fig. 1 can access AP in terminal and be started by AP, i.e. AP once detects terminal access originally
It when AP, is based on default rule (e.g., preset acquisition period), process according to figure 1 obtains AP and sends list to the terminal
The rate of text is broadcasted, and the rate can be further stored in the designated position of the local AP.
The unicast message that AP is successfully transmitted to terminal, refer to AP to terminal send unicast message after, receive terminal return
Confirm the unicast message of (Acknowledgement, ACK) message.
When AP sends unicast message to terminal under current radio frequency mode, can be there are three types of situation: 1) unicast message be once sent out
Success is sent, i.e. AP sends a unicast message to terminal and just receives the ack message that terminal returns；2) it retransmits and sends successfully, i.e. AP
After sending multiple unicast message to terminal, the ack message of terminal return is received；3) failure is sent, i.e. AP sends unicast to terminal
The number of message is more than preset number, still without the ack message for receiving terminal return.
The unicast message that AP is successfully transmitted to terminal includes above situation 1) and situation 2) situation.
Wherein, all unicast messages that S can be successfully transmitted under current radio frequency mode to terminal with AP in specified duration
Flow be added to obtain.
Wherein, T can use the time-consuming of all unicast messages sent in current radio frequency mode to terminal of AP in specified duration
Addition obtains.
1 for above-mentioned in the case of), the time-consuming for each unicast message that AP is sent to terminal sends the unicast report equal to AP
At the time of literary and receive terminal for the unicast message return ack message at the time of between time span.
2 for above-mentioned in the case of), the time-consuming for each unicast message that AP is sent to terminal is equal to AP and sends first list
At the time of casting text and receive for after the retransmitting successfully of the unicast message at the time of ack message of terminal return between when
Between length.
3 for above-mentioned in the case of), the time-consuming for each unicast message that AP is sent to terminal sends this first equal to AP
At the time of unicast message and confirmation is for the time span between the re-transmission failure moment of the unicast message.
During an illustrative realization, AP is equal to the ratio of S and T to the rate that terminal sends unicast message.
When wireless usage experience of the rate characterization terminal under current radio frequency mode for sending unicast message to terminal with AP
When, the rate that AP sends unicast message to terminal is higher, illustrates that wireless usage experience of the terminal under current radio frequency mode is better.
In the embodiment of the present invention, AP enumerates retransmission rate, packet loss, time delay, report to the rate that terminal sends unicast message
Selected works speed and periphery wireless environment bring influence, and can be used as the unified standard of evaluation terminal wireless usage experience.It is this
Evaluation method standard is unified, can effectively be evaluated the wireless usage experience of variety classes terminal.
Illustrate that AP sends the acquisition process of the rate of unicast message to terminal below with reference to Fig. 2.Fig. 2 is implementation of the present invention
The AP under current radio frequency mode that example provides sends the exemplary diagram of unicast message to terminal.Fig. 2 is referred to, AP is T in total duration
Time in, have sent N+1 message to terminal, wherein a length of T1 when the transmission of message 1, message length L1, the hair of message 2
A length of T when sending2, message length L2, when transmission of message N a length of TN, message length LN, when transmission of message N+1 is a length of
TN+1, message length LN+1.1~N of message is sent successfully, and message N+1 sends failure.Then the unicast message of terminal is transmitted in Fig. 2
Rate=(L1+L2+….+LN)/(T1+T2+….+Tn+Tn+1), "/" is the division sign herein.
The rate of unicast message is sent to terminal based on above-mentioned AP, the embodiment of the invention provides a kind of bandwidth of operation tune
Adjusting method.
Fig. 3 is the flow example figure of bandwidth of operation method of adjustment provided in an embodiment of the present invention.The bandwidth of operation adjustment side
Method can be applied to access point AP, for being automatically adjusted to bandwidth of operation of the AP under current radio frequency mode.Such as Fig. 3 institute
Show, this method may include:
S301, selection meets the target terminal of condition from all terminals for accessing this AP, and target terminal is accessing this AP
The difference of bandwidth of operation K of the bandwidth of operation and this AP negotiated afterwards with this AP under current radio frequency mode is less than or equal to setting bandwidth
Threshold value.
S302 calculates the rate that this AP sends unicast message to each target terminal.
S303 determines that this AP sends the flank speed of unicast message under current radio frequency mode to each target terminal.
S304, according to this AP to each target terminal send unicast message rate and this AP under current radio frequency mode to each
The flank speed of target terminal transmission unicast message, it is determined whether adjust bandwidth of operation K of this AP under current radio frequency mode.
In step S301, the range of choice of target terminal is to access all terminals of this AP in current radio frequency mode.Mesh
Mark terminal is the difference of the bandwidth of operation K after accessing this AP with the bandwidth of operation and this AP of this AP negotiation under current radio frequency mode
Less than or equal to the terminal of setting bandwidth threshold.
It illustrates.Terminal a1, terminal a2, terminal a3, terminal a4, terminal a5, totally 5 terminals connect at rf-mode A
Enter AP, AP is 80MHz in the work at present bandwidth K of rf-mode A, terminal a1, terminal a2, terminal a3 highest support that bandwidth is
The highest of 80MHz, terminal a4 supports that bandwidth is 20MHz, and the highest of terminal a5 supports that bandwidth is 40MHz, terminal a1, terminal a2,
Bandwidth of operation is 80MHz after negotiation after what terminal a3 and AP were determined after negotiating access at rf-mode A AP, then terminal a1,
Terminal a2, terminal a3 are target terminal.
In step s 302, AP can be real according to Fig. 1 to the rate that each target terminal sends unicast message
The method for applying example determines.When terminal is when accessing AP, the available AP of AP sends unicast report to terminal under current radio frequency mode
The rate of text, and can recorde in corresponding unicast message transmission rate table, then AP can directly be sent out from the unicast message
The rate that the AP under current radio frequency mode sends unicast message to terminal is read in transmission rate table.
For example, AP can read from unicast message transmission rate table and penetrate on the basis of exemplary in step S301
AP sends the rate of unicast message to terminal a1, terminal a2, terminal a3 respectively under frequency Mode A, it is assumed that the rate of reading is respectively
b1、b2、b3。
During an illustrative realization, step S303 includes:
For each target terminal, this AP is searched in preset rate set table (e.g., VHT-MCS table) in current radio frequency mould
The flank speed of unicast message is sent under bandwidth of operation K under formula to the target terminal.
In one example, rate set table can be stored in advance in the local AP.
In another example, rate set table is stored in the external data base that AP is able to access that, by AP from external data
It is read in library.
For example, on the basis of in step s 302 exemplary, if work at present bandwidth of the AP at rf-mode A is
80MHz, then AP can find out AP at the 80MHz of rf-mode A to terminal respectively from the corresponding rate set of rf-mode A
A1, terminal a2, terminal a3 send flank speed c1, c2, c3 of unicast message, wherein c1, c2, c3 can be equal.
In step s 304, the mode for adjusting bandwidth of operation, which can be, to be increased bandwidth, reduces bandwidth or keep bandwidth not
Become.
During an illustrative realization, step S304 may include:
For each target terminal, calculates this AP and penetrated to the rate that the target terminal sends unicast message with this AP currently
The speed ratio of the flank speed of unicast message is sent under frequency mode to the target terminal；
The quantity M of target terminal of the Statistical Rate than being greater than preset first threshold；
Calculate the ratio H of the total quantity N of M and target terminal；
Compare H and preset second threshold, the comparison result according to H and second threshold determines whether to adjust this AP current
Bandwidth of operation K under rf-mode.
During an illustrative realization, the comparison result according to H and second threshold determines whether that adjusting this AP exists
Bandwidth of operation K under current radio frequency mode, comprising:
If H is greater than or equal to second threshold, work at present bandwidth of this AP under current radio frequency mode is maintained, or increase
Work at present bandwidth of this AP under current radio frequency mode；
If H is less than second threshold, bandwidth of operation of this AP under current radio frequency mode is reduced.
In one example, if H is greater than or equal to second threshold, work at present of this AP under current radio frequency mode is maintained
Bandwidth, or increase bandwidth of operation of this AP under current radio frequency mode, may include:
If H is greater than second threshold and is less than preset third threshold value, alternatively, if H is greater than third threshold value and work at present band
The highest bandwidth of operation that wide K is supported by current radio frequency mode keeps bandwidth of operation of this AP under current radio frequency mode constant,
Third threshold value is greater than second threshold；
If H is greater than third threshold value and work at present bandwidth K is not the highest bandwidth of operation that current radio frequency mode is supported, increase
Add bandwidth of operation of this AP under current radio frequency mode.
For example, connecing precedent.Assuming that bandwidth of operation AP current at rf-mode A is 80MHz, first threshold is 95%,
Second threshold is 60%, and third threshold value is 80%, then sends the rate of unicast message to terminal a1, terminal a2, terminal a3 as AP
When with the speed ratio of corresponding flank speed all greater than 95%, ratio H is 100%, is greater than third threshold value 80%, and AP exists
Current bandwidth of operation 80MHz is the highest bandwidth of operation (80MHz) that rf-mode A is supported under rf-mode A, then keeps AP
Bandwidth of operation at rf-mode A is 80MHz.
In another example, if bandwidth of operation AP current at rf-mode A is 40MHz, first threshold is
95%, second threshold is 60%, and third threshold value is 80%, then 2 terminals hair as AP into terminal a1, terminal a2, terminal a3
When the rate of unicast message being sent to be greater than 95% with the speed ratio of corresponding flank speed, ratio H=2 ÷ 3 ≈ 67%, ratio H is big
In second threshold 60% but it is less than third threshold value 80%, then keeping bandwidth of operation of the AP at rf-mode A is 40MHz.
In another example, if bandwidth of operation AP current at rf-mode A is 40MHz, first threshold is
95%, second threshold is 60%, and third threshold value is 80%, then when AP sends unicast message to terminal a1, terminal a2, terminal a3
Rate with the speed ratio of corresponding flank speed all greater than 95% when, ratio H=100%, ratio H be greater than third threshold value
80%, and AP bandwidth of operation 40MHz current at rf-mode A is not the highest bandwidth of operation that rf-mode A is supported
Bandwidth of operation of the AP at rf-mode A is then increased to 80MHz by (80MHz).
In another example, if bandwidth of operation AP current at rf-mode A is 80MHz, first threshold is
95%, then it is complete to terminal a1, terminal a2, the rate of terminal a3 transmission unicast message and the speed ratio of corresponding flank speed as AP
When portion is less than 95%, ratio H=0%, ratio H are less than second threshold 60%, then the bandwidth of operation drop by AP at rf-mode A
Down to 40MHz.
In one example, the mode for increasing bandwidth of operation is: bandwidth of operation is increased to upper the one of work at present bandwidth
Level work bandwidth, such as increase to 80MHz from 40MHz.
In one example, the mode for reducing bandwidth of operation is: bandwidth of operation is reduced to the next of work at present bandwidth
Level work bandwidth, such as 20MHz is reduced to from 40MHz.
In one example, work at present bandwidth of this AP under current radio frequency mode is reduced, comprising:
It is sent from AP to each target terminal and selects the maximum rate of value in the rate of unicast message；
The immediate candidate rates of rate selected with this are found in preset rate set table；
This AP is updated to bandwidth corresponding with candidate rates in rate set table in the bandwidth of operation under current radio frequency mode；
Updated bandwidth of operation is less than the bandwidth of operation before updating.
For example, it is assumed that the work at present bandwidth of rf-mode A is 160MHz, AP is to terminal a1, terminal at rf-mode A
The rate that a2, terminal a3 send unicast message is respectively b1, b2, b3, and b1 and AP are at the 80MHz of rf-mode A to terminal a1
Speed ratio, b2 and the AP for sending the flank speed of unicast message send unicast report to terminal a2 at the 80MHz of rf-mode A
Speed ratio, b3 and the AP of the flank speed of text send the highest of unicast message at the 80MHz of rf-mode A to terminal a3
The speed ratio of rate is respectively less than 95%, and b1 > b2 > b3, then finds in preset rate set table immediate with rate b1
Candidate rates m, then the corresponding bandwidth 40MHz of rate m is found in rate set table, by work belt of this AP at rf-mode A
Width is updated to 40MHz.
It should be noted that, although illustrated above for the implementation of step S304, but it is to be understood that,
In other embodiments, step S304 can be not limited to above-mentioned column using other implementations, the implementation of step S304
The example of act.
Embodiment illustrated in fig. 3 calculates AP by the target terminal for selecting to meet condition from all terminals for accessing this AP
The rate that unicast message is sent to each target terminal determines that this AP sends unicast report to each target terminal under current radio frequency mode
Text flank speed, according to this AP to each target terminal send unicast message rate and this AP under current radio frequency mode to each
The flank speed of target terminal transmission unicast message, it is determined whether adjust bandwidth of operation K of this AP under current radio frequency mode, energy
It is enough that bandwidth of operation of the rate adjust automatically AP of unicast message under current radio frequency mode is sent to terminal according to AP, it is not required to very important person
Work operation, improves the treatment effeciency of bandwidth of operation adjustment, while also improving the intelligence degree of bandwidth of operation adjustment process.
Corresponding with embodiment of the method above-mentioned, the present invention also provides device, equipment and storage medium embodiments.For
The detailed realization details of device, equipment and storage medium embodiment, refers to the explanation of the relevant portion of embodiment of the method.
Fig. 4 is the functional block diagram of bandwidth of operation adjustment device provided in an embodiment of the present invention, which is applied to AP, institute
Stating device includes:
Selecting module 410, the target terminal for selecting to meet condition from all terminals for accessing this AP, the target
The difference of bandwidth of operation K of the bandwidth of operation and this AP that terminal is negotiated after accessing this AP with this AP under current radio frequency mode is less than
Or it is equal to setting bandwidth threshold；
Computing module 420, the rate for calculating this AP to each target terminal transmission unicast message；
Determining module 430, for determining that this AP sends unicast message most to each target terminal under current radio frequency mode
High-speed；
Module 440 is adjusted, for being penetrated to the rate that each target terminal sends unicast message with this AP currently according to this AP
The flank speed of unicast message is sent under frequency mode to each target terminal, it is determined whether adjust this AP under current radio frequency mode
Bandwidth of operation K.During an illustrative realization, computing module 420 is specifically used for:
For each target terminal, minute book AP sends each unicast to the target terminal by eating dishes without rice or wine in specified duration
The time-consuming of message, it is described it is time-consuming for since sending unicast message to confirm that unicast message transmission success or failure spent when
Between；
This AP is counted in the specified duration by the time-consuming for all unicast messages for eating dishes without rice or wine to send to the target terminal
The sum of T；
Count the sum of the flow that this AP sends successfully all unicast messages in the specified duration to the target terminal
S；
Rate of this AP to target terminal transmission unicast message is calculated according to the S and the T.
During an illustrative realization, determining module 430 is specifically used for:
For each target terminal, this AP is searched in preset rate set table under the bandwidth of operation of current radio frequency mode
The flank speed of unicast message is sent to the target terminal.
During an illustrative realization, adjustment module 440 is specifically used for:
For each target terminal, calculates this AP and penetrated to the rate that the target terminal sends unicast message with this AP currently
The speed ratio of the flank speed of unicast message is sent under frequency mode to the target terminal；
The quantity M of target terminal of the Statistical Rate than being greater than preset first threshold；
Calculate the ratio H of the total quantity N of M and target terminal；
Compare H and preset second threshold, the comparison result according to H and second threshold determines whether to adjust this AP current
Bandwidth of operation K under rf-mode.
During an illustrative realization, adjustment module 440 is true for the comparison result according to H and second threshold
When the fixed bandwidth of operation K for whether adjusting this AP under current radio frequency mode, it can be specifically used for:
During an illustrative realization, adjustment module 440 is true for the comparison result according to H and second threshold
When the fixed bandwidth of operation K for whether adjusting this AP under current radio frequency mode, it is specifically used for:
If H is greater than or equal to second threshold, bandwidth of operation of this AP under current radio frequency mode is maintained, or increase this AP
Bandwidth of operation under current radio frequency mode；
If H is less than second threshold, is sent from this AP to each target terminal in the rate of unicast message and select value most
Big rate finds the immediate candidate rates of rate selected with this, by this AP current in preset rate set table
Bandwidth of operation under rf-mode is updated to bandwidth corresponding with candidate rates, updated bandwidth of operation in the rate set table
Less than the bandwidth of operation before update.
The embodiment of the present invention also provides a kind of access point AP equipment, including memory, processor and is stored in the storage
On device and the computer program that can run on the processor, wherein the processor is realized as follows when executing described program
Operation:
Selection meets the target terminal of condition from all terminals for accessing this AP, and target terminal is after accessing this AP and originally
The difference of bandwidth of operation K of the bandwidth of operation and this AP that AP negotiates under current radio frequency mode is less than or equal to setting bandwidth threshold；
Calculate the rate that this AP sends unicast message to each target terminal；
Determine that this AP sends the flank speed of unicast message under current radio frequency mode to each target terminal；
According to this AP to each target terminal send unicast message rate and this AP under current radio frequency mode to each target
The flank speed of terminal transmission unicast message, it is determined whether adjust bandwidth of operation K of this AP under current radio frequency mode.
The AP equipment of the embodiment of the present invention can use hardware configuration as shown in Figure 5.Fig. 5 is that the embodiment of the present invention provides
AP equipment a kind of hardware structure diagram, in Fig. 5, memory includes memory and nonvolatile memory, realizes bandwidth of operation tune
The computer program of adjusting method is stored in memory.
It should be noted that other than processor shown in fig. 5, network interface, memory and nonvolatile memory,
AP equipment can also include usually other hardware in other embodiments, to being no longer shown specifically in this Fig. 5.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, wherein institute
It states and realizes following operation when program is executed by processor:
Selection meets the target terminal of condition from all terminals for accessing this AP, and target terminal is after accessing this AP and originally
The difference of bandwidth of operation K of the bandwidth of operation and this AP that AP negotiates under current radio frequency mode is less than or equal to setting bandwidth threshold；
Calculate the rate that this AP sends unicast message to each target terminal；
Determine that this AP sends the flank speed of unicast message under current radio frequency mode to each target terminal；
According to this AP to each target terminal send unicast message rate and this AP under current radio frequency mode to each target
The flank speed of terminal transmission unicast message, it is determined whether adjust bandwidth of operation K of this AP under current radio frequency mode.
For device embodiment, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The module of explanation may or may not be physically separated, and the component shown as module can be or can also be with
It is not physical module, it can it is in one place, or may be distributed on multiple network modules.It can be according to actual
The purpose for needing to select some or all of the modules therein to realize this specification scheme.Those of ordinary skill in the art are not
In the case where making the creative labor, it can understand and implement.
It is above-mentioned that this specification specific embodiment is described.Other embodiments are in the scope of the appended claims
It is interior.In some cases, the movement recorded in detail in the claims or step can be come according to the sequence being different from embodiment
It executes and desired result still may be implemented.In addition, process depicted in the drawing not necessarily require show it is specific suitable
Sequence or consecutive order are just able to achieve desired result.In some embodiments, multitasking and parallel processing be also can
With or may be advantageous.
Those skilled in the art will readily occur to this specification after considering specification and practicing the invention applied here
Other embodiments.This specification is intended to cover any variations, uses, or adaptations of this specification, these modifications,
Purposes or adaptive change follow the general principle of this specification and do not apply in the art including this specification
Common knowledge or conventional techniques.The description and examples are only to be considered as illustrative, the true scope of this specification and
Spirit is indicated by the following claims.
It should be understood that this specification is not limited to the precise structure that has been described above and shown in the drawings,
And various modifications and changes may be made without departing from the scope thereof.The range of this specification is only limited by the attached claims
System.
The foregoing is merely the preferred embodiments of this specification, all in this explanation not to limit this specification
Within the spirit and principle of book, any modification, equivalent substitution, improvement and etc. done should be included in the model of this specification protection
Within enclosing.
Claims (10)
1. a kind of bandwidth of operation method of adjustment, which is characterized in that this method is applied to AP, which comprises
Selection meets the target terminal of condition from all terminals for accessing this AP, and the target terminal is after accessing this AP and originally
The difference of bandwidth of operation K of the bandwidth of operation and this AP that AP negotiates under current radio frequency mode is less than or equal to setting bandwidth threshold；
Calculate the rate that this AP sends unicast message to each target terminal；
Determine that this AP sends the flank speed of unicast message under current radio frequency mode to each target terminal；
According to this AP to each target terminal send unicast message rate and this AP under current radio frequency mode to each target terminal
Send the flank speed of unicast message, it is determined whether adjust bandwidth of operation K of this AP under current radio frequency mode.
2. the method according to claim 1, wherein described this AP of calculating sends unicast message to each target terminal
Rate include:
For each target terminal, minute book AP sends each unicast message to the target terminal by eating dishes without rice or wine in specified duration
Time-consuming, it is described it is time-consuming for since sending unicast message to confirmation unicast message transmission success or failure the time it takes；
This AP is counted in the specified duration by the sum of the time-consuming for all unicast messages for eating dishes without rice or wine to send to the target terminal
T；
It counts this AP and sends successfully the sum of flow of all unicast messages S to the target terminal in the specified duration；
Rate of this AP to target terminal transmission unicast message is calculated according to the S and the T.
3. the method according to claim 1, wherein described this AP of determination is under current radio frequency mode to each target
The flank speed of terminal transmission unicast message, comprising:
For each target terminal, this AP is searched in preset rate set table under the bandwidth of operation of current radio frequency mode to this
The flank speed of target terminal transmission unicast message.
4. the method according to claim 1, wherein described send unicast message to each target terminal according to this AP
Rate and this AP under current radio frequency mode to each target terminal send unicast message flank speed, it is determined whether adjustment this
Bandwidth of operation K of the AP under current radio frequency mode, comprising:
For each target terminal, this AP is calculated to the rate of target terminal transmission unicast message and this AP in current radio frequency mould
The speed ratio of the flank speed of unicast message is sent under formula to the target terminal；
The quantity M of target terminal of the Statistical Rate than being greater than preset first threshold；
Calculate the ratio H of the total quantity N of the M and target terminal；
Compare H and preset second threshold, the comparison result according to H and second threshold determines whether to adjust this AP in current radio frequency
Bandwidth of operation K under mode.
5. according to the method described in claim 4, it is characterized in that, the comparison result determination according to H and second threshold is
The no bandwidth of operation K for adjusting this AP under current radio frequency mode, comprising:
If H is greater than or equal to second threshold, bandwidth of operation of this AP under current radio frequency mode is maintained, or increase this AP and working as
Bandwidth of operation under preceding rf-mode；
If H is less than second threshold, it is maximum that selection value in the rate of unicast message is sent from this AP to each target terminal
Rate finds the immediate candidate rates of rate selected with this, by this AP in current radio frequency in preset rate set table
Bandwidth of operation under mode is updated to bandwidth corresponding with candidate rates, updated bandwidth of operation in the rate set table and is less than
Bandwidth of operation before update.
6. a kind of bandwidth of operation adjusts device, which is characterized in that the device is applied to AP, and described device includes:
Selecting module, the target terminal for selecting to meet condition from all terminals for accessing this AP, the target terminal exist
The difference for accessing the bandwidth of operation K of the bandwidth of operation and this AP negotiated after this AP with this AP under current radio frequency mode is less than or equal to
Set bandwidth threshold；
Computing module, the rate for calculating this AP to each target terminal transmission unicast message；
Determining module, for determining this AP under current radio frequency mode to the flank speed of each target terminal transmission unicast message；
Module is adjusted, the rate and this AP for sending unicast message to each target terminal according to this AP are under current radio frequency mode
The flank speed of unicast message is sent to each target terminal, it is determined whether adjust bandwidth of operation of this AP under current radio frequency mode
K。
7. device according to claim 6, which is characterized in that the computing module is specifically used for:
For each target terminal, minute book AP sends each unicast message to the target terminal by eating dishes without rice or wine in specified duration
Time-consuming, it is described it is time-consuming for since sending unicast message to confirmation unicast message transmission success or failure the time it takes；
This AP is counted in the specified duration by the sum of the time-consuming for all unicast messages for eating dishes without rice or wine to send to the target terminal
T；
It counts this AP and sends successfully the sum of flow of all unicast messages S to the target terminal in the specified duration；
Rate of this AP to target terminal transmission unicast message is calculated according to the S and the T.
8. device according to claim 6, which is characterized in that the determining module is specifically used for:
For each target terminal, searched in preset rate set table this AP at the bandwidth of operation K of current radio frequency mode to
The flank speed of target terminal transmission unicast message.
9. device according to claim 6, which is characterized in that the adjustment module is specifically used for:
For each target terminal, this AP is calculated to the rate of target terminal transmission unicast message and this AP in current radio frequency mould
The speed ratio of the flank speed of unicast message is sent under formula to the target terminal；
The quantity M of target terminal of the Statistical Rate than being greater than preset first threshold；
Calculate the ratio H of the total quantity N of the M and target terminal；
Compare H and preset second threshold, the comparison result according to H and second threshold determines whether to adjust this AP described current
Bandwidth of operation K under rf-mode.
10. device according to claim 9, which is characterized in that the adjustment module is for according to H and second threshold
When comparison result determines whether to adjust bandwidth of operation K of this AP under current radio frequency mode, it is specifically used for:
If H is greater than or equal to second threshold, bandwidth of operation of this AP under current radio frequency mode is maintained, or increase this AP and working as
Bandwidth of operation under preceding rf-mode；
If H is less than second threshold, it is maximum that selection value in the rate of unicast message is sent from this AP to each target terminal
Rate finds the immediate candidate rates of rate selected with this, by this AP in current radio frequency in preset rate set table
Bandwidth of operation under mode is updated to bandwidth corresponding with candidate rates, updated bandwidth of operation in the rate set table and is less than
Bandwidth of operation before update.
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