CN108966351A - A kind of method and apparatus adjusting wireless router bandwidth - Google Patents
A kind of method and apparatus adjusting wireless router bandwidth Download PDFInfo
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- CN108966351A CN108966351A CN201810635491.5A CN201810635491A CN108966351A CN 108966351 A CN108966351 A CN 108966351A CN 201810635491 A CN201810635491 A CN 201810635491A CN 108966351 A CN108966351 A CN 108966351A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
Abstract
The application discloses a kind of method and apparatus for adjusting wireless router bandwidth, and wireless router obtains at least one of following parameter: the duty ratio of the current bandwidth per second, retransmission rate and the packet loss per second per second of wirelessly giving out a contract for a project in the operational process of current bandwidth；The Performance Score in preset time period is calculated according to the parameter of acquisition；Determined whether to adjust the current bandwidth according to the size relation of the Performance Score and threshold value.The method and apparatus of adjustment wireless router bandwidth can allow wireless router according to the environmental disturbances degree of surrounding, the suitable bandwidth of operation of dynamic select, wireless router is set to select higher bandwidth mode when interfering less, keep higher transmission rate, make wireless router that more situation interfered to select lower bandwidth mode, keeps stronger anti-interference ability.
Description
Technical field
This application involves the communications field more particularly to a kind of method and apparatus for adjusting wireless router bandwidth.
Background technique
Router (Router), be connection internet in each internal network i.e. local area network (Local Area Network,
LAN), the case where equipment of external network, that is, wide area network (Wide Area Network, WAN), router can be according to channel, is automatic
Selection and setting routing send signal by tandem with optimal path.It is each to have been widely used for each row for router at present
Industry, the product of various difference class, which has become, realizes connection, backbone internetworking and backbone network and interconnection inside various backbone networks
Net interconnects the main force of business.
Wireless router is a kind of combination of simple form access point (Access Point, AP) and broadband router, is
Router with wireless coverage function, it is mainly used in user's online and wireless coverage, mobile terminal can be by wireless
Router accesses network.
Wireless router in the home environment, in corporate environment, have in public's environment and be widely applied very much.
Wireless router needs work several bandwidth as defined in IEEE802.11 agreement, for example, wireless router uses
Can be worked when 2.4G frequency range in HT20 or HT40 bandwidth mode, can work when wireless router is using 5G frequency range HT20,
HT40 HT80 bandwidth mode, wherein HT20 refers to that bandwidth is 20MHz, and HT40 refers to that broadband is 40MHz, and HT80 is finger beam
Band is 80MHz.And as the continuous of wireless router is popularized, the environment of wireless router work now is also increasingly sophisticated, wirelessly
Signal interference situation is also increasing, therefore wireless router is during the work time, scientific and reasonable one suitable band of selection
Width seems particularly significant.
By taking 2.4G frequency range as an example, 40MHz (HT40) is the widest bandwidth of operation of 2.4G, by the 2 20MHz bandwidth mutually closed on
Composition, is compared to 20Mhz bandwidth mode, bandwidth it is double, so that 40MHz bandwidth is supported higher wireless transmission rate, but
The double interference for being subject to it with Time Bandwidth is consequently increased, therefore jamproof ability is insufficient, is only applicable to interfere
Less scene.
Currently, wireless router select a bandwidth after, be generally maintained for it is constant, even if the interference on periphery is very strong,
It will use selected bandwidth for transmission data, therefore, cause data transmission quality poor.
Summary of the invention
The many aspects of the application provide a kind of method and apparatus for adjusting wireless router bandwidth, can allow wireless router
According to the environmental disturbances degree of surrounding, the suitable bandwidth of operation of dynamic select.
The first aspect of the application provides a kind of method for adjusting wireless router bandwidth, comprising:
Wireless router obtains at least one of following parameter: the current bandwidth per second in the operational process of current bandwidth
Duty ratio, per second wirelessly give out a contract for a project retransmission rate and packet loss per second；
The wireless router calculates the Performance Score in preset time period according to the parameter of acquisition；
The wireless router determines whether to adjust the current band according to the size relation of the Performance Score and threshold value
It is wide.
Optionally, the wireless router calculates the calculating public affairs of the Performance Score in preset time period according to the parameter of acquisition
Formula are as follows:
Wherein, T is the predetermined time；XiFor the duty ratio of i-th second current bandwidth, riFor i-th second current band
The calculating factor of wide duty ratio；YiFor i-th second retransmission rate of wirelessly giving out a contract for a project, uiFor the calculating of i-th second retransmission rate of wirelessly giving out a contract for a project
The factor；ZiFor i-th second packet loss, wiFor the calculating factor of i-th second packet loss；I is the positive integer more than or equal to 1.
Optionally, the wireless router calculates the calculating public affairs of the Performance Score in preset time period according to the parameter of acquisition
Formula are as follows:
Wherein, T is the predetermined time；XiFor the duty ratio of i-th second current bandwidth, r is the predetermined time
The calculating factor of the sum of the duty ratio of the current bandwidth；YiFor i-th second retransmission rate of wirelessly giving out a contract for a project, u was the predetermined time
The calculating factor of described the sum of retransmission rate of wirelessly giving out a contract for a project；ZiFor i-th second packet loss, w was the packet loss of the predetermined time
The sum of the calculating factor；I is the positive integer more than or equal to 1.
Optionally, the wireless router determines whether described in adjustment according to the size relation of the Performance Score and threshold value
Current bandwidth includes:
If the Performance Score is more than or equal to the threshold value, the wireless router keeps the current bandwidth；Alternatively,
If the Performance Score is less than the threshold value, the wireless router is adjusted to more lower than the current bandwidth
Bandwidth.
Optionally, the threshold value includes first threshold and second threshold, wherein the first threshold is greater than second threshold
Value, the wireless router determine whether to adjust the current bandwidth packet according to the size relation of the Performance Score and threshold value
It includes:
If the average flow rate that the Performance Score is more than or equal in the first threshold and the predetermined amount of time is less than
Threshold value, the wireless router are adjusted to bandwidth more higher than the current bandwidth；Or,
If the average flow rate that the Performance Score is more than or equal in the first threshold and the predetermined amount of time is greater than
Equal to threshold value, the wireless router keeps the current bandwidth；Or
If the Performance Score is less than the first threshold but is greater than in the second threshold and the predetermined amount of time
Average flow rate be less than threshold value, adjust to bandwidth more lower than the current bandwidth；Or
If the Performance Score is less than the first threshold but is greater than in the second threshold and the predetermined amount of time
Average flow rate be more than or equal to threshold value, keep the current bandwidth；Or
If the Performance Score is less than the average flow rate in the second threshold and the predetermined amount of time and is less than threshold value,
The wireless router keeps the current bandwidth；Or,
If the average flow rate that the Performance Score is less than in the second threshold and the predetermined amount of time is more than or equal to
Threshold value, the wireless router are adjusted to bandwidth more lower than the current bandwidth.
Optionally, the wireless router includes: according to the Performance Score in the parameter of acquisition calculating preset time period
The wireless router calculates Performance Score per second, then compares with overall performance score value, if it is current this
One second Performance Score is less than overall performance score value, then overall performance score value reduces 1, is no longer reduced when overall performance score value is 0；
If the Performance Score of this current second is greater than overall performance score value, overall performance score value increases by 1, when overall performance score value is to preset most
No longer increased when high level.
Optionally, the threshold value includes third threshold value and the 4th threshold value, wherein the third threshold value is greater than the 4th threshold
Value, the wireless router determine whether to adjust the current bandwidth packet according to the size relation of the Performance Score and threshold value
It includes:
If the overall performance score value was more than or equal in the third threshold value and the predetermined amount of time in current this second
Average flow rate is less than threshold value, and the wireless router is adjusted to bandwidth more higher than the current bandwidth；Or,
If the overall performance score value was more than or equal in the third threshold value and the predetermined amount of time in current this second
Average flow rate is more than or equal to threshold value, and the wireless router keeps the current bandwidth；Or
If current this second overall performance score value is less than the third threshold value but is greater than the 4th threshold value and described
Average flow rate in predetermined amount of time is less than threshold value, adjusts to bandwidth more lower than the current bandwidth；Or
If current this second overall performance score value is less than the third threshold value but is greater than the 4th threshold value and described
Average flow rate in predetermined amount of time is more than or equal to threshold value, keeps the current bandwidth；Or
If the overall performance score value was less than being averaged in the 4th threshold value and the predetermined amount of time in current this second
Flow is less than threshold value, and the wireless router keeps the current bandwidth；Or,
If the overall performance score value was less than being averaged in the 4th threshold value and the predetermined amount of time in current this second
Flow is more than or equal to threshold value, and the wireless router is adjusted to bandwidth more lower than the current bandwidth.
The second aspect of the application provides a kind of device for adjusting wireless router bandwidth, comprising:
Module is obtained, for obtaining at least one of following parameter in the operational process of current bandwidth when wireless router:
The duty ratio of the current bandwidth per second, retransmission rate and the packet loss per second per second of wirelessly giving out a contract for a project；
Computing module, for calculating the Performance Score in preset time period according to the parameter of acquisition；
Module is adjusted, is determined whether to adjust the current bandwidth according to the size relation of the Performance Score and threshold value.
Optionally, the computing module is used to calculate the property in the preset time period according to following calculation formula
Energy score value:
Wherein, T is the predetermined time；XiFor the duty ratio of i-th second current bandwidth, riFor i-th second current band
The calculating factor of wide duty ratio；YiFor i-th second retransmission rate of wirelessly giving out a contract for a project, uiFor the calculating of i-th second retransmission rate of wirelessly giving out a contract for a project
The factor；ZiFor i-th second packet loss, wiFor the calculating factor of i-th second packet loss；I is the positive integer more than or equal to 1.
Optionally, the computing module is used to calculate the property in the preset time period according to following calculation formula
Energy score value:
Wherein, T is the predetermined time；XiFor the duty ratio of i-th second current bandwidth, r is the predetermined time
The calculating factor of the sum of the duty ratio of the current bandwidth；YiFor i-th second retransmission rate of wirelessly giving out a contract for a project, u was the predetermined time
The calculating factor of described the sum of retransmission rate of wirelessly giving out a contract for a project；ZiFor i-th second packet loss, w was the packet loss of the predetermined time
The sum of the calculating factor；I is the positive integer more than or equal to 1.
Optionally, the adjustment module is used to be determined whether according to the size relation of the Performance Score and threshold value to adjust institute
Stating current bandwidth includes:
The adjustment module is used for, if the Performance Score is more than or equal to the threshold value, keeps the current bandwidth；Or
Person adjusts if the Performance Score is less than the threshold value to bandwidth more lower than the current bandwidth.
Optionally, the threshold value includes first threshold and second threshold, wherein the first threshold is greater than second threshold
Value, the adjustment module according to the size relation of the Performance Score and threshold value for determining whether to adjust the current bandwidth packet
It includes:
The adjustment module is used for, if the Performance Score is more than or equal to the first threshold and the predetermined amount of time
Interior average flow rate is less than threshold value, adjusts to bandwidth more higher than the current bandwidth；Or,
The adjustment module is used for, if the Performance Score is more than or equal to the first threshold and the predetermined amount of time
Interior average flow rate is more than or equal to threshold value, keeps the current bandwidth；Or
The adjustment module is used for, if the Performance Score be less than the first threshold but be greater than the second threshold and
Average flow rate in the predetermined amount of time is less than threshold value, adjusts to bandwidth more lower than the current bandwidth；Or
The adjustment module is used for, if the Performance Score be less than the first threshold but be greater than the second threshold and
Average flow rate in the predetermined amount of time is more than or equal to threshold value, keeps the current bandwidth；Or
The adjustment module is used for, if the Performance Score is less than in the second threshold and the predetermined amount of time
Average flow rate is less than threshold value, keeps the current bandwidth；Or,
The adjustment module is used for, if the Performance Score is less than in the second threshold and the predetermined amount of time
Average flow rate is more than or equal to threshold value, adjusts to bandwidth more lower than the current bandwidth.
Optionally, the computing module, which is used to calculate the Performance Score in preset time period according to the parameter of acquisition, includes:
Then the computing module compares, if currently for calculating Performance Score per second with overall performance score value
The Performance Score of this second is less than overall performance score value, then overall performance score value reduces 1, is no longer subtracted when overall performance score value is 0
It is few；If the Performance Score of this current second is greater than overall performance score value, overall performance score value increases by 1, when overall performance score value is pre-
If no longer being increased when peak.
Optionally, the threshold value includes third threshold value and the 4th threshold value, wherein the third threshold value is greater than the 4th threshold
Value, the adjustment module according to the size relation of the Performance Score and threshold value for determining whether to adjust the current bandwidth packet
It includes:
The adjustment module is used for, if current this second overall performance score value is more than or equal to the third threshold value and institute
The average flow rate stated in predetermined amount of time is less than threshold value, adjusts to bandwidth more higher than the current bandwidth；Or,
The adjustment module is used for, if current this second overall performance score value is more than or equal to the third threshold value and institute
The average flow rate stated in predetermined amount of time is more than or equal to threshold value, keeps the current bandwidth；Or
The adjustment module is used for, if current this second overall performance score value is less than the third threshold value but is greater than institute
The average flow rate stated in the 4th threshold value and the predetermined amount of time is less than threshold value, adjusts to band more lower than the current bandwidth
It is wide；Or
The adjustment module is used for, if current this second overall performance score value is less than the third threshold value but is greater than institute
The average flow rate stated in the 4th threshold value and the predetermined amount of time is more than or equal to threshold value, keeps the current bandwidth；Or
The adjustment module is used for, if current this second overall performance score value is less than the 4th threshold value and described pre-
The average flow rate fixed time in section is less than threshold value, keeps the current bandwidth；Or,
The adjustment module is used for, if current this second overall performance score value is less than the 4th threshold value and described pre-
The average flow rate fixed time in section is more than or equal to threshold value, adjusts to bandwidth more lower than the current bandwidth.
The method and apparatus of the adjustment wireless router bandwidth of foregoing description, can allow wireless router according to the environment of surrounding
Annoyance level, the suitable bandwidth of operation of dynamic select make wireless router select higher bandwidth mode when interfering less, protect
Higher transmission rate is held, makes wireless router that more situation interfered to select lower bandwidth mode, keeps stronger anti-
Interference performance.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the method for adjustment wireless router bandwidth of one embodiment of the application；
Fig. 2 is a kind of structural schematic diagram of communication system of another embodiment of the application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, herein
Middle character "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or".In addition, the terms " system " and " network "
It is often used interchangeably herein.
Preset time described herein is identical with the unit that time interval getparms uses, such as with the second for singly
Position.
Wireless router herein can be single-frequency wireless router or double-frequency wireless router, and the double frequency routes utensil
There are two frequency ranges, such as 2.4Ghz and 5Ghz.
As shown in Figure 1, the flow diagram of the method for a kind of adjustment wireless router bandwidth of one embodiment of the application.
Step 101, wireless router obtains at least one of following parameter in the operational process of current bandwidth: per second described
The duty ratio of current bandwidth, retransmission rate and the packet loss per second per second of wirelessly giving out a contract for a project.
For example, the currently employed HT20 mode of wireless router, in operational process, at least one of following parameter is obtained: per second
The duty ratio of the current bandwidth, retransmission rate and the packet loss per second per second of wirelessly giving out a contract for a project.Wherein, the wireless router can be with
At least one other parameter per second are obtained, for example, the bit error rate per second.
The packet loss or the bit error rate can by check cyclic redundancy check (Cyclic Redundancy Check,
CRC it) determines.
Step 102, wireless router calculates the Performance Score in preset time period according to the parameter of acquisition.
It is calculated in advance for example, different calculation formula can be respectively adopted according to the quantity difference for obtaining parameter in wireless router
If the Performance Score of period (such as preset time T=10,30 or 60 seconds), Performance Score is lower, interferes bigger.
For example, when wireless router obtains a parameter, such as obtain the duty ratio, per second of the current bandwidth per second
When retransmission rate, packet loss per second or the bit error rate per second of wirelessly giving out a contract for a project, the calculating for calculating the Performance Score in preset time period is public
Formula is as follows:
Wherein, T is the predetermined time；LiThe measured value of parameter, k were obtained by i-th secondiFor i-th second acquisition parameter
The calculating factor, wherein k can be different in different moments value, for example, it at the 2nd second was 0.02 etc. that k, which was 0.01, k at the 1st second,
Deng.
If k is identical in the value at all moment, the formula of calculated performance score value just becomes following formula 2:
Wherein, T is the predetermined time；LiThe measured value of parameter was obtained by i-th second, k is any value, such as k is
0.01 or 100.
For example, when wireless router obtains two parameters, such as obtain the duty ratio, per second of the current bandwidth per second
Any two parameter (being denoted as the first parameter and the second parameter) for the retransmission rate, packet loss per second and the bit error rate per second of wirelessly giving out a contract for a project
When, the calculation formula for calculating the Performance Score in preset time period is as follows:
Wherein, T is the predetermined time；LiThe measured value of the first parameter, k were obtained by i-th secondiIt is i-th second described first
The calculating factor of parameter, wherein k can be different in different moments value, for example, k was at the 2nd second for 0.01, k at the 1st second
0.02 etc.；MiThe measured value of the second parameter, j were obtained by i-th secondiFor the calculating factor of i-th second second parameter, wherein
J can be different in different moments value, for example, it at the 2nd second was 0.02 etc. that j, which was 0.01, j at the 1st second,.
In another embodiment of the application, the sum of all k and all j can be a preset value, such as
Or 100.
If k and j is identical in the value at all moment, the formula of calculated performance score value just becomes following formula 4:
Wherein, T is the predetermined time；LiThe measured value of the first parameter, M were obtained by i-th secondiThe was obtained by i-th second
The measured value of two parameters, k and j can be respectively arbitrary value, such as k is 0.01 or 0.5, and j can be 0.02 or 0.5.
In another embodiment of the application, the sum of all k and all j can be a preset value, such as
Or 100.
Similarly, when wireless router obtains three or three or more parameters, the formula of calculated performance score value is similar respectively
Formula 3 and formula 4, the difference is that at least one more calculating parameter item, for convenience of description, it is following with wireless router with
Obtain the duty ratio of the current bandwidth per second, per second wirelessly give out a contract for a project for three parameters of retransmission rate and packet loss per second is said
It is bright how calculated performance score value.
Wherein, T is the predetermined time；XiFor the duty ratio of i-th second current bandwidth, riFor i-th second current band
The calculating factor of wide duty ratio；YiFor i-th second retransmission rate of wirelessly giving out a contract for a project, uiFor the calculating of i-th second retransmission rate of wirelessly giving out a contract for a project
The factor；ZiFor i-th second packet loss, wiFor the calculating factor of i-th second packet loss；I is the positive integer more than or equal to 1；R, u and w
Can be different in different moments value, it can be respectively arbitrary value, such as r is 0.01, u 0.02, w 0.03.
In another embodiment of the application, the sum of all r, all u and all w can be a preset value, such asOr 100.
If r, u and w is identical in the value at all moment, the formula of calculated performance score value is as follows:
Wherein, T is the predetermined time；XiFor the duty ratio of i-th second current bandwidth, r is the predetermined time
The calculating factor of the sum of the duty ratio of the current bandwidth；YiFor i-th second retransmission rate of wirelessly giving out a contract for a project, u was the predetermined time
The calculating factor of described the sum of retransmission rate of wirelessly giving out a contract for a project；ZiFor i-th second packet loss, w was the packet loss of the predetermined time
The sum of the calculating factor；I is the positive integer more than or equal to 1.
For example, r, u and w can be respectively 0.5,0.3 and 0.2, it is referred to as percentage 50%, 30% and 20%.
In another embodiment of the application, the sum of r, u and w can be a preset value, such as r+u+w=1 or 100.
Certainly, calculated performance score value can also use other modes, and the application not limit.
Step 103, wireless router according to the size relation of the Performance Score and threshold value determine whether adjustment described in work as
Preceding bandwidth.
For example, the currently employed HT40 mode of wireless router.
Adjustment mode 1
If the Performance Score is more than or equal to the threshold value, wireless router keeps the current bandwidth.If described
Performance Score is less than the threshold value, adjusts to bandwidth more lower than the current bandwidth, for example, wireless router is by current HT40
Mode adjustment is to HT20 mode.
Adjustment mode 2
In another embodiment of the application, the threshold value includes first threshold and second threshold, wherein first threshold
Value is greater than the second threshold, and the size relation according to the Performance Score and threshold value determines whether to adjust the current band
Width can be as described below.
If the average flow rate that the Performance Score is more than or equal in the first threshold and the predetermined amount of time is less than
Threshold value is adjusted to bandwidth more higher than the current bandwidth, for example, wireless router is by current HT40 mode adjustment to HT80 mould
Formula.
If the average flow rate that the Performance Score is more than or equal in the first threshold and the predetermined amount of time is greater than
Equal to threshold value, the current bandwidth is kept, for example, wireless router keeps HT40 mode.
If the Performance Score is less than the first threshold but is greater than in the second threshold and the predetermined amount of time
Average flow rate be less than threshold value, adjust to bandwidth more lower than the current bandwidth, for example, wireless router is by current HT40 mould
Formula is adjusted to HT20 mode.
If the Performance Score is less than the first threshold but is greater than in the second threshold and the predetermined amount of time
Average flow rate be more than or equal to threshold value, keep the current bandwidth, for example, wireless router keep HT40 mode.
If the Performance Score is less than the average flow rate in the second threshold and the predetermined amount of time and is less than threshold value,
The current bandwidth is kept, for example, wireless router keeps HT40 mode.
If the average flow rate that the Performance Score is less than in the second threshold and the predetermined amount of time is more than or equal to
Threshold value is adjusted to bandwidth more lower than the current bandwidth, for example, wireless router is by current HT40 mode adjustment to HT20 mould
Formula.
Adjustment mode 3
For example, calculate Performance Score per second according to the formula of the calculated performance score value of foregoing description, then with overall performance
Score value compares, if the Performance Score of this current second is less than overall performance score value, overall performance score value reduces 1, when total property
Energy score value is no longer reduced when being 0；If the Performance Score of this current second is greater than overall performance score value, overall performance score value increases
Add 1, is no longer increased when overall performance score value is default peak (such as 100).
The threshold value includes third threshold value and the 4th threshold value, wherein and the third threshold value is greater than the 4th threshold value,
In, in another embodiment of the application, the third threshold value can be equal to first threshold, and the 4th threshold value is equal to described the
Two threshold values, bandwidth mode of the wireless router according to work at present, being averaged in the current preset period (such as 60 seconds)
Traffic conditions and the overall performance score value of this current second determine whether adjustment current bandwidth mode, as described below.
If the overall performance score value was more than or equal in the third threshold value and the predetermined amount of time in current this second
Average flow rate is less than threshold value, adjusts to bandwidth more higher than the current bandwidth, for example, wireless router is by current HT40 mode
It adjusts to HT80 mode.
If the overall performance score value was more than or equal in the third threshold value and the predetermined amount of time in current this second
Average flow rate is more than or equal to threshold value, keeps the current bandwidth, for example, wireless router keeps HT40 mode.
If current this second overall performance score value is less than the third threshold value but is greater than the 4th threshold value and described
Average flow rate in predetermined amount of time is less than threshold value, adjusts to bandwidth more lower than the current bandwidth, for example, wireless router
By current HT40 mode adjustment to HT20 mode.
If current this second overall performance score value is less than the third threshold value but is greater than the 4th threshold value and described
Average flow rate in predetermined amount of time is more than or equal to threshold value, keeps the current bandwidth, for example, wireless router keeps HT40 mould
Formula.
If the overall performance score value was less than being averaged in the 4th threshold value and the predetermined amount of time in current this second
Flow is less than threshold value, keeps the current bandwidth, for example, wireless router keeps HT40 mode.
If the overall performance score value was less than being averaged in the 4th threshold value and the predetermined amount of time in current this second
Flow is more than or equal to threshold value, adjusts to bandwidth more lower than the current bandwidth, for example, wireless router is by current HT40 mode
It adjusts to HT20 mode.
The method of the whole wireless router bandwidth of adjustment of above-described embodiment description, according to the duty ratio of work at present bandwidth,
The correlation data calculations such as retransmission rate and packet loss of wirelessly giving out a contract for a project go out Performance Score, can accurately react current disturbed condition,
And the bandwidth mode of work is determined according to this, for example, interfering lesser situation work to guarantee higher biography in HT40 mode
Defeated rate and efficiency；In the case where interfering biggish situation, it can be switched to anti-interference stronger HT20 mode, guarantee the stabilization of transmission
Property.
As shown in Fig. 2, a kind of structural schematic diagram of communication system for another embodiment of the application, the communication system packet
The device and at least one terminal of adjustment wireless router bandwidth are included, the wireless router is communicated at least one terminal, institute
The device for stating adjustment wireless router bandwidth is at least one circuit or at least one chip of the wireless router, the tune
The device of whole wireless router bandwidth includes: to obtain module 211, computing module 212 and adjustment module 213, wherein the acquisition
Module 211, the computing module 212 and the adjustment module 213 communicate between each other, such as are in communication with each other by bus.
It is total that the bus can be industry standard architecture (Industry Standard Architecture, ISA)
Line, Peripheral Component Interconnect standard (Peripheral Component Interconnect, PCI) bus or extension industrial standard
Structure (Extended Industry Standard Architecture, EISA) bus etc..The bus system can be divided into ground
Location bus, data/address bus, control bus etc..
In the present embodiment, the acquisition module 211, the computing module 212 and the adjustment module 213 are a kind of respectively
Logical partitioning, the application do not limit to the logic of division, can be respectively by least one circuit or at least one chip come real
It is existing, it also can integrate and realized together by least one circuit or at least one chip, for example, the circuit or chip can
To be realized by processor.
In another embodiment of the application, the processor can be central processing unit (Central
Processing Unit, CPU), the processor can also be other general controls processors, digital signal processor
(Digital Signal Processing, DSP), specific integrated circuit (Application Specific Integrated
Circuit, ASIC), field programmable gate array (Field-Programmable Gate Array, FPGA) or other can
Programmed logic device, discrete gate or transistor logic, discrete hardware components etc..The general controls processor can be
Microcontrol processor either any conventional control processor, such as single-chip microcontroller etc..
The acquisition module 211, for obtaining following at least one in the operational process of current bandwidth when wireless router
Item parameter: the duty ratio of the current bandwidth per second, retransmission rate and the packet loss per second per second of wirelessly giving out a contract for a project.
For example, the currently employed HT20 mode of wireless router, in operational process, the acquisition module 211 is for obtaining such as
At least one of lower parameter: the duty ratio of the current bandwidth per second, retransmission rate and the packet loss per second per second of wirelessly giving out a contract for a project.Wherein,
The acquisition module 211 is also used to obtain at least one other parameter per second, for example, the bit error rate per second.
The packet loss or the bit error rate can be determined by checking CRC.
The computing module 212, for calculating the Performance Score in preset time period according to the parameter of acquisition.
For example, the computing module 212 is used to that different calculating can be respectively adopted according to the quantity difference for obtaining parameter
Formula calculates the Performance Score of preset time period (such as preset time T=10,30 or 60 seconds), and Performance Score is lower, and interference is got over
Greatly.For example, the public affairs that the computing module 212 is used according to the Performance Score that the quantity difference for obtaining parameter calculates preset time period
Formula can formula 1 be to formula 6 as described in Fig. 1 embodiment, and details are not described herein.
The adjustment module 213, for being determined whether described in adjustment according to the size relation of the Performance Score and threshold value
Current bandwidth.
For example, the currently employed HT40 mode of wireless router.
Adjustment mode 1
The adjustment module 213 is used for, if the Performance Score is more than or equal to the threshold value, keeps the current band
It is wide；Or, adjusting if the Performance Score is less than the threshold value to bandwidth more lower than the current bandwidth, for example, without route
By device by current HT40 mode adjustment to HT20 mode.
Adjustment mode 2
In another embodiment of the application, the threshold value includes first threshold and second threshold, wherein first threshold
Value is greater than the second threshold.
The adjustment module 213 is used for, if the Performance Score is more than or equal to the first threshold and the pre- timing
Between average flow rate in section be less than threshold value, adjust to bandwidth more higher than the current bandwidth, for example, wireless router will be current
HT40 mode adjustment is to HT80 mode.
The adjustment module 213 is used for, if the Performance Score is more than or equal to the first threshold and the pre- timing
Between average flow rate in section be more than or equal to threshold value, the current bandwidth is kept, for example, wireless router keeps HT40 mode.
The adjustment module 213 is used for, if the Performance Score is less than the first threshold but is greater than second threshold
Average flow rate in value and the predetermined amount of time is less than threshold value, adjusts to bandwidth more lower than the current bandwidth, for example, nothing
Line router is by current HT40 mode adjustment to HT20 mode.
The adjustment module 213 is used for, if the Performance Score is less than the first threshold but is greater than second threshold
Average flow rate in value and the predetermined amount of time is more than or equal to threshold value, keeps the current bandwidth, for example, wireless router is protected
Hold HT40 mode.
The adjustment module 213 is used for, if the Performance Score is less than the second threshold and the predetermined amount of time
Interior average flow rate is less than threshold value, keeps the current bandwidth, for example, wireless router keeps HT40 mode.
The adjustment module 213 is used for, if the Performance Score is less than the second threshold and the predetermined amount of time
Interior average flow rate is more than or equal to threshold value, adjusts to bandwidth more lower than the current bandwidth, for example, wireless router will be current
HT40 mode adjustment is to HT20 mode.
Adjustment mode 3
For example, the calculating mode 212 is also used to the formula of the calculated performance score value according to foregoing description, calculate per second
Then Performance Score is compared with overall performance score value, if the Performance Score of this current second is less than overall performance score value, always
Performance Score reduces 1, is no longer reduced when overall performance score value is 0；If the Performance Score of this current second is greater than total property
Energy score value, then overall performance score value increases by 1, is no longer increased when overall performance score value is default peak (such as 100).
The adjustment module 213 is used for the bandwidth mode according to work at present, in the current preset period (such as 60 seconds)
Average flow rate situation and the overall performance score value of this current second determine whether to adjust current bandwidth mode, as described below.
The adjustment module 213 is used for, if current this second overall performance score value is more than or equal to the third threshold value
And the average flow rate in the predetermined amount of time is less than threshold value, adjusts to bandwidth more higher than the current bandwidth, for example, wirelessly
Router is by current HT40 mode adjustment to HT80 mode.
The adjustment module 213 is used for, if current this second overall performance score value is more than or equal to the third threshold value
And the average flow rate in the predetermined amount of time is more than or equal to threshold value, keeps the current bandwidth, for example, wireless router is kept
HT40 mode.
The adjustment module 213 is used for, if current this second overall performance score value is less than the third threshold value but big
It is less than threshold value in the average flow rate in the 4th threshold value and the predetermined amount of time, adjusts to more lower than the current bandwidth
Bandwidth, for example, wireless router is by current HT40 mode adjustment to HT20 mode.
The adjustment module 213 is used for, if current this second overall performance score value is less than the third threshold value but big
It is more than or equal to threshold value in the average flow rate in the 4th threshold value and the predetermined amount of time, keeps the current bandwidth, for example,
Wireless router keeps HT40 mode.
The adjustment module 213 is used for, if current this second overall performance score value is less than the 4th threshold value and institute
The average flow rate stated in predetermined amount of time is less than threshold value, keeps the current bandwidth, for example, wireless router keeps HT40 mould
Formula.
The adjustment module 213 is used for, if current this second overall performance score value is less than the 4th threshold value and institute
The average flow rate stated in predetermined amount of time is more than or equal to threshold value, adjusts to bandwidth more lower than the current bandwidth, for example, wirelessly
Router is by current HT40 mode adjustment to HT20 mode.
In conclusion the method and apparatus of the whole wireless router bandwidth of adjustment of above-described embodiment description, according to current work
Make that the duty ratio of bandwidth, wirelessly correlation data calculations such as retransmission rate and packet loss of giving out a contract for a project go out Performance Score, can accurately react
Current disturbed condition, and determine according to this bandwidth mode of work, for example, interfere lesser situation work in HT40 mould
Formula guarantees higher transmission rate and efficiency；In the case where interfering biggish situation, it can be switched to anti-interference stronger HT20 mode,
Guarantee the stability of transmission.
Another embodiment of the application also provides a kind of computer-readable medium, and computer-readable medium can be computer
Readable signal medium or computer-readable medium.Processor in computer reads the meter of storage in computer-readable medium
Calculation machine readable program code enables a processor to execute in flow chart 1 specified in the combination of each step or each step
Function action；Generate the device for implementing defined function action in each block of the block diagram, or a combination of blocks.
Computer-readable medium is including but not limited to electronics, magnetism, optics, electromagnetism, infrared memory or semiconductor system
System, equipment perhaps device or above-mentioned any appropriately combined, the memory is described for storing program code or instruction
Program code includes computer operation instruction, and the processor is used to execute program code or the instruction of the memory storage.
The memory may include volatile memory, for example, random access memory (random access
Memory, RAM), the RAM may include static RAM or dynamic ram.The memory may also include non-volatile memories
Device (non-volatile memory), such as read-only memory (read-only memory, PROM), may be programmed read-only storage
Device (programmable read-only memory, PROM), Erarable Programmable Read only Memory (erasable
Programmable read-only memory, EPROM), electrically erasable programmable read-only memory (electrically
Erasable programmable read-only memory, EEPROM) or flash memory (flash memory).The memory
It is also possible to be external flash, at least one magnetic disk storage or buffer.
The processor can be CPU, DSP, ASIC, FPGA or other programmable logic device, discrete gate or crystalline substance
Body pipe logical device, discrete hardware components etc..
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product can store in computer-readable medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used
So that a computer equipment (can be personal computer, server or the network equipment etc.) or processor or chip are held
Method described in certain parts of each embodiment of row or embodiment.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although
The application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (14)
1. a kind of method for adjusting wireless router bandwidth characterized by comprising
Wireless router obtains at least one of following parameter in the operational process of current bandwidth: the current bandwidth per second accounts for
Sky ratio, wireless retransmission rate and the packet loss per second of giving out a contract for a project per second；
The wireless router calculates the Performance Score in preset time period according to the parameter of acquisition；
The wireless router determines whether to adjust the current bandwidth according to the size relation of the Performance Score and threshold value.
2. being preset the method according to claim 1, wherein the wireless router is calculated according to the parameter of acquisition
The calculation formula of Performance Score in period are as follows:
Wherein, T is the predetermined time；XiFor the duty ratio of i-th second current bandwidth, riFor i-th second current bandwidth
The calculating factor of duty ratio；YiFor i-th second retransmission rate of wirelessly giving out a contract for a project, uiFor i-th second it is described wirelessly give out a contract for a project retransmission rate calculating because
Son；ZiFor i-th second packet loss, wiFor the calculating factor of i-th second packet loss；I is the positive integer more than or equal to 1.
3. being preset the method according to claim 1, wherein the wireless router is calculated according to the parameter of acquisition
The calculation formula of Performance Score in period are as follows:
Wherein, T is the predetermined time；XiFor the duty ratio of i-th second current bandwidth, r is that the described of the predetermined time is worked as
The calculating factor of the sum of the duty ratio of preceding bandwidth；YiFor i-th second retransmission rate of wirelessly giving out a contract for a project, u was the nothing of the predetermined time
Line is given out a contract for a project the calculating factor of the sum of retransmission rate；ZiFor i-th second packet loss, w was the sum of described packet loss of the predetermined time
Calculate the factor；I is the positive integer more than or equal to 1.
4. method according to claim 1 to 3, which is characterized in that the wireless router is according to the performance
The size relation of score value and threshold value determines whether that adjusting the current bandwidth includes:
If the Performance Score is more than or equal to the threshold value, the wireless router keeps the current bandwidth；Alternatively,
If the Performance Score is less than the threshold value, the wireless router is adjusted to band more lower than the current bandwidth
It is wide.
5. method according to claim 1 to 3, which is characterized in that the threshold value includes first threshold and second
Threshold value, wherein the first threshold is greater than the second threshold, and the wireless router is according to the Performance Score and threshold value
Size relation determines whether that adjusting the current bandwidth includes:
If the average flow rate that the Performance Score is more than or equal in the first threshold and the predetermined amount of time is less than threshold value,
The wireless router is adjusted to bandwidth more higher than the current bandwidth；Or,
If the average flow rate that the Performance Score is more than or equal in the first threshold and the predetermined amount of time is more than or equal to
Threshold value, the wireless router keep the current bandwidth；Or
If the Performance Score is less than the first threshold but greater than flat in the second threshold and the predetermined amount of time
Equal flow is less than threshold value, adjusts to bandwidth more lower than the current bandwidth；Or
If the Performance Score is less than the first threshold but greater than flat in the second threshold and the predetermined amount of time
Equal flow is more than or equal to threshold value, keeps the current bandwidth；Or
If the Performance Score is less than the average flow rate in the second threshold and the predetermined amount of time and is less than threshold value, described
Wireless router keeps the current bandwidth；Or,
If the Performance Score is less than the average flow rate in the second threshold and the predetermined amount of time and is more than or equal to threshold value,
The wireless router is adjusted to bandwidth more lower than the current bandwidth.
6. method according to claim 1 to 3, which is characterized in that the wireless router is according to the ginseng of acquisition
Counting the Performance Score calculated in preset time period includes:
The wireless router calculates Performance Score per second, then compares with overall performance score value, if this current second
Performance Score be less than overall performance score value, then overall performance score value reduce 1, when overall performance score value be 0 when no longer reduced；If
The Performance Score of this current second is greater than overall performance score value, then overall performance score value increases by 1, when overall performance score value is default peak
Shi Buzai is increased.
7. according to the method described in claim 6, it is characterized in that, the threshold value includes third threshold value and the 4th threshold value, wherein
The third threshold value is greater than the 4th threshold value, and the wireless router is true according to the size relation of the Performance Score and threshold value
Whether adjusting the current bandwidth calmly includes:
If the overall performance score value was more than or equal to being averaged in the third threshold value and the predetermined amount of time in current this second
Flow is less than threshold value, and the wireless router is adjusted to bandwidth more higher than the current bandwidth；Or,
If the overall performance score value was more than or equal to being averaged in the third threshold value and the predetermined amount of time in current this second
Flow is more than or equal to threshold value, and the wireless router keeps the current bandwidth；Or
If current this second overall performance score value is less than the third threshold value but is greater than the 4th threshold value and described predetermined
Average flow rate in period is less than threshold value, adjusts to bandwidth more lower than the current bandwidth；Or
If current this second overall performance score value is less than the third threshold value but is greater than the 4th threshold value and described predetermined
Average flow rate in period is more than or equal to threshold value, keeps the current bandwidth；Or
If the overall performance score value was less than the average flow rate in the 4th threshold value and the predetermined amount of time in current this second
Less than threshold value, the wireless router keeps the current bandwidth；Or,
If the overall performance score value was less than the average flow rate in the 4th threshold value and the predetermined amount of time in current this second
More than or equal to threshold value, the wireless router is adjusted to bandwidth more lower than the current bandwidth.
8. a kind of device for adjusting wireless router bandwidth characterized by comprising
Module is obtained, for obtaining at least one of following parameter in the operational process of current bandwidth when wireless router: per second
The duty ratio of the current bandwidth, retransmission rate and the packet loss per second per second of wirelessly giving out a contract for a project；
Computing module, for calculating the Performance Score in preset time period according to the parameter of acquisition；
Module is adjusted, is determined whether to adjust the current bandwidth according to the size relation of the Performance Score and threshold value.
9. device according to claim 8, which is characterized in that the computing module is based on according to following calculation formula
Calculate the Performance Score in the preset time period:
Wherein, T is the predetermined time；XiFor the duty ratio of i-th second current bandwidth, riFor i-th second current bandwidth
The calculating factor of duty ratio；YiFor i-th second retransmission rate of wirelessly giving out a contract for a project, uiFor i-th second it is described wirelessly give out a contract for a project retransmission rate calculating because
Son；ZiFor i-th second packet loss, wiFor the calculating factor of i-th second packet loss；I is the positive integer more than or equal to 1.
10. device according to claim 8, which is characterized in that the computing module is used for according to following calculation formula
Calculate the Performance Score in the preset time period:
Wherein, T is the predetermined time；XiFor the duty ratio of i-th second current bandwidth, r is that the described of the predetermined time is worked as
The calculating factor of the sum of the duty ratio of preceding bandwidth；YiFor i-th second retransmission rate of wirelessly giving out a contract for a project, u was the nothing of the predetermined time
Line is given out a contract for a project the calculating factor of the sum of retransmission rate；ZiFor i-th second packet loss, w was the sum of described packet loss of the predetermined time
Calculate the factor；I is the positive integer more than or equal to 1.
11. according to device described in claim 8-10 any one, which is characterized in that the adjustment module is used for according to
The size relation of Performance Score and threshold value determines whether that adjusting the current bandwidth includes:
The adjustment module is used for, if the Performance Score is more than or equal to the threshold value, keeps the current bandwidth；Alternatively,
If the Performance Score is less than the threshold value, adjust to bandwidth more lower than the current bandwidth.
12. according to device described in claim 8-10 any one, which is characterized in that the threshold value includes first threshold and
Two threshold values, wherein the first threshold is greater than the second threshold, and the adjustment module is used for according to the Performance Score and threshold
The size relation of value determines whether that adjusting the current bandwidth includes:
The adjustment module is used for, if the Performance Score is more than or equal in the first threshold and the predetermined amount of time
Average flow rate is less than threshold value, adjusts to bandwidth more higher than the current bandwidth；Or,
The adjustment module is used for, if the Performance Score is more than or equal in the first threshold and the predetermined amount of time
Average flow rate is more than or equal to threshold value, keeps the current bandwidth；Or
The adjustment module is used for, if the Performance Score is less than the first threshold but is greater than the second threshold and described
Average flow rate in predetermined amount of time is less than threshold value, adjusts to bandwidth more lower than the current bandwidth；Or
The adjustment module is used for, if the Performance Score is less than the first threshold but is greater than the second threshold and described
Average flow rate in predetermined amount of time is more than or equal to threshold value, keeps the current bandwidth；Or
The adjustment module is used for, if the Performance Score is less than being averaged in the second threshold and the predetermined amount of time
Flow is less than threshold value, keeps the current bandwidth；Or,
The adjustment module is used for, if the Performance Score is less than being averaged in the second threshold and the predetermined amount of time
Flow is more than or equal to threshold value, adjusts to bandwidth more lower than the current bandwidth.
13. according to device described in claim 8-10 any one, which is characterized in that the computing module is used for according to acquisition
Parameter calculate preset time period in Performance Score include:
Then the computing module is compared with overall performance score value for calculating Performance Score per second, if it is current this
The Performance Score of second is less than overall performance score value, then overall performance score value reduces 1, is no longer reduced when overall performance score value is 0；Such as
The Performance Score of this current second of fruit is greater than overall performance score value, then overall performance score value increases by 1, when overall performance score value is default highest
No longer increased when value.
14. device according to claim 13, which is characterized in that the threshold value includes third threshold value and the 4th threshold value,
In, the third threshold value is greater than the 4th threshold value, and the adjustment module is used for the size according to the Performance Score and threshold value
Relationship determines whether that adjusting the current bandwidth includes:
The adjustment module is used for, if current this second overall performance score value is more than or equal to the third threshold value and described pre-
The average flow rate fixed time in section is less than threshold value, adjusts to bandwidth more higher than the current bandwidth；Or,
The adjustment module is used for, if current this second overall performance score value is more than or equal to the third threshold value and described pre-
The average flow rate fixed time in section is more than or equal to threshold value, keeps the current bandwidth；Or
The adjustment module is used for, if current this second overall performance score value is less than the third threshold value but is greater than described the
Average flow rate in four threshold values and the predetermined amount of time is less than threshold value, adjusts to bandwidth more lower than the current bandwidth；Or
The adjustment module is used for, if current this second overall performance score value is less than the third threshold value but is greater than described the
Average flow rate in four threshold values and the predetermined amount of time is more than or equal to threshold value, keeps the current bandwidth；Or
The adjustment module is used for, if current this second overall performance score value is less than the 4th threshold value and the pre- timing
Between average flow rate in section be less than threshold value, keep the current bandwidth；Or,
The adjustment module is used for, if current this second overall performance score value is less than the 4th threshold value and the pre- timing
Between average flow rate in section be more than or equal to threshold value, adjust to bandwidth more lower than the current bandwidth.
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Application publication date: 20181207 |