CN104052511B - The interference control method of a kind of receiver, receiver and equipment - Google Patents
The interference control method of a kind of receiver, receiver and equipment Download PDFInfo
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- CN104052511B CN104052511B CN201410267011.6A CN201410267011A CN104052511B CN 104052511 B CN104052511 B CN 104052511B CN 201410267011 A CN201410267011 A CN 201410267011A CN 104052511 B CN104052511 B CN 104052511B
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Abstract
Embodiments provide the interference control method of a kind of receiver, receiver and equipment, the current receiving sensitivity of estimation receiver；Determine the difference between receiving sensitivity and the receiving sensitivity that receiver is currently used of estimation；When the receiving sensitivity of estimation is more than currently used receiving sensitivity, and the absolute value of this difference is more than when presetting the threshold of sensitivity, in the adjustable range of receiver receiving sensitivity, receiving sensitivity currently used for receiver is increased, to reduce the interference of interference signal；When the receiving sensitivity of estimation is less than currently used receiving sensitivity, and the absolute value of this difference is more than when presetting the threshold of sensitivity, in the adjustable range of receiver receiving sensitivity, receiving sensitivity currently used for receiver is reduced, to reduce the interference of interference signal.Reduce the interference of interference signal.The present invention relates to wireless communication technology field.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to the interference control method of a kind of receiver, connect
Receipts machine and equipment.
Background technology
At present, WLAN (WLAN, Wireless Local Area Network) is the most only
It is the network access mode of initial a kind of simplicity, many important application of enterprise, such as voice, video,
The services such as location are the most gradually deployed on wireless network.Even if common network accesses, user it is also desirable that
Bandwidth is the highest more good.But, the WLAN based on 802.11, eating dishes without rice or wine is the public biography of all devices
Defeated medium.Along with the increase of deployment density, wireless interference problems is increasing on the impact of network service quality.
But user does not but have reduction to the requirement of any wireless network services at all, proposes the highest on the contrary simultaneously
Requirement.So, reduce the impact of interference in real network, ensure the weight of the data transmission quality of high-quality
The property wanted just becomes increasingly conspicuous out.
In prior art, the method controlling WLAN interference mainly includes the most several:
The first, use conventional network optimization means to carry out disturbing control:
In first method, manually wireless network made rational planning for by network optimization means and configure, example
As: rational rate set, power and channel and Bandwidth adjustment etc. are set.But, network optimization is for technical staff
Skill requirement higher.Generally, network manager cannot be competent at, can only be by veteran network
Engineer is optimized.And concrete scene is depended in network optimization, needing first to scene analysis, deliberation causes
Network experiences the factor being deteriorated, and carrying out distributing rationally of derivation needs, a kind of blanket network
Means, therefore, the simple anti-interference problem relying on network optimization means still cannot solve wireless network.
The second, by radio frequency resource management (RRM, Radio Resource Management) management come
Carry out disturb control:
In the second approach, by the radio frequency environment of real-time monitoring analysis periphery, automatic according to special algorithm
Adjust radio-frequency channel and the power of access point (AP, Access Point), reduce signal disturbing between AP.
The method of RRM can reduce air interference to a certain extent, but in the case of dense deployment, by
Limited in channel resource, adjust even across RRM, still can there is serious adjacent frequency and co-channel interference.
Summary of the invention
Embodiments provide the interference control method of a kind of receiver, receiver and equipment, in order to solve
The interference control method in prior art wireless network is certainly used to reduce the problem that air interference effect is bad.
Based on the problems referred to above, the interference control method of a kind of receiver that the embodiment of the present invention provides, including:
The current receiving sensitivity of estimation receiver；
Determine the difference between receiving sensitivity and the receiving sensitivity that receiver is currently used of estimation；
When the receiving sensitivity of estimation is more than currently used receiving sensitivity, and the absolute value of described difference is big
When the default threshold of sensitivity, in the adjustable range of receiver receiving sensitivity, receiver is currently made
Receiving sensitivity increase, with reduce interference signal interference；
When the receiving sensitivity of estimation is less than currently used receiving sensitivity, and the absolute value of described difference is big
When the default threshold of sensitivity, in the adjustable range of receiver receiving sensitivity, receiver is currently made
Receiving sensitivity reduce, with reduce interference signal interference.
A kind of receiver that the embodiment of the present invention provides, including:
Estimation block, for estimating the current receiving sensitivity of receiver；
Determine module, currently used for determining receiving sensitivity that described estimation block estimates and receiver
Difference between receiving sensitivity；
Adjusting module, clever more than currently used reception for the receiving sensitivity estimated when described estimation block
Sensitivity, and described determine the absolute value of difference that module determines more than when presetting the threshold of sensitivity, at receiver
In the adjustable range of receiving sensitivity, receiving sensitivity currently used for receiver is increased, dry to reduce
Disturb the interference of signal；The receiving sensitivity estimated when described estimation block is sensitive less than currently used reception
Degree, and described determine that the absolute value of difference that module determines, more than when presetting the threshold of sensitivity, connects at receiver
Receive in the adjustable range of sensitivity, receiving sensitivity currently used for receiver is reduced, to reduce interference
The interference of signal.
A kind of equipment that the embodiment of the present invention provides, the above-mentioned receiver provided including the embodiment of the present invention.
The beneficial effect of the embodiment of the present invention includes:
The interference control method of a kind of receiver, receiver and the equipment that the embodiment of the present invention provides, estimation connects
The current receiving sensitivity of receipts machine；Determine that the receiving sensitivity of estimation and the currently used reception of receiver are sensitive
Difference between degree；When the receiving sensitivity of estimation is more than currently used receiving sensitivity, and this difference
Absolute value is more than when presetting the threshold of sensitivity, in the adjustable range of receiver receiving sensitivity, will receive
The receiving sensitivity increase that machine is currently used, to reduce the interference of interference signal；Receiving sensitivity when estimation
Less than currently used receiving sensitivity, and the absolute value of this difference is more than when presetting the threshold of sensitivity, is connecing
In the adjustable range of receipts machine receiving sensitivity, receiving sensitivity currently used for receiver is reduced, to subtract
The interference of little interference signal.The interference control method of a kind of receiver that the embodiment of the present invention provides, by making
The jamproof key factor i.e. receiving sensitivity of receiver, according to interference source situation, is carried out adaptive by receiver
Should adjust so that receiver will not make normal packet be dropped, also because receiving sensitivity is too low
Because receiving sensitivity is too high, the interference signal of surrounding will not be received as normal packet, make reception
Machine reaches preferable AP and receives and dispatches performance, even if in the case of wireless network dense deployment, it is also possible to correctly connect
Receive the normal packet that self should receive, reduce the interference of interference signal.
Accompanying drawing explanation
The flow chart of the interference control method of a kind of receiver that Fig. 1 provides for the embodiment of the present invention；
The flow chart of the interference control method of a kind of receiver that Fig. 2 provides for the embodiment of the present invention 1；
The decision model schematic diagram of the CCA thresholding that Fig. 3 provides for example in the embodiment of the present invention 1；
The structural diagrams of a kind of receiver that Fig. 4 provides for the embodiment of the present invention is intended to.
Detailed description of the invention
Embodiments provide the interference control method of a kind of receiver, receiver and equipment, below tie
Close Figure of description the preferred embodiments of the present invention are illustrated, it will be appreciated that described herein preferably
Embodiment is merely to illustrate and explains the present invention, is not intended to limit the present invention.And in situation about not conflicting
Under, the embodiment in the application and the feature in embodiment can be mutually combined.
The embodiment of the present invention provides the interference control method of a kind of receiver, as it is shown in figure 1, include:
S101, the current receiving sensitivity of estimation receiver.
S102, the difference determined between receiving sensitivity and the receiving sensitivity that receiver is currently used of estimation
Value.
S103, when the receiving sensitivity of estimation is more than currently used receiving sensitivity, and described difference is exhausted
To value more than when presetting the threshold of sensitivity, in the adjustable range of receiver receiving sensitivity, by receiver
Currently used receiving sensitivity increases, to reduce the interference of interference signal.
S104, when the receiving sensitivity of estimation is less than currently used receiving sensitivity, and described difference is exhausted
To value more than when presetting the threshold of sensitivity, in the adjustable range of receiver receiving sensitivity, by receiver
Currently used receiving sensitivity reduces, to reduce the interference of interference signal.
Further, in the embodiment of the present invention, receiver can be can to receive by eating dishes without rice or wine in wireless network
And send the reception device of the equipment of packet, such as receiving data by eating dishes without rice or wine in wireless router
Device etc..The receiving sensitivity of receiver (is typically expressed as a negative decibel millivolt/dBm (dBm)
Number) define lowest signal intensity that receiver can receive, that can normally work.If it is to say,
Packet sender sends the signal intensity receiving sensitivity more than or equal to receiver of packet, then
Receiver is able to receive that and correctly resolves this packet, if packet sender sends the signal intensity of packet
Less than receiver sensitivity, then receiver cannot receive this packet.Receiver sensitivity is high, can recognize
Sensitiveer for receiver, it is possible to the signal intensity of the lowest signal of reception is lower, and receiver sensitivity is low, can
To think that receiver is insensitive, it is possible to the signal intensity of the lowest signal of reception is higher.The embodiment of the present invention carries
In the interference control method of the receiver of confession, with prior art, static state setting receiver receives spirit based on experience value
Sensitivity is different, it is proposed that the interference being realized receiver by the receiving sensitivity adjusting receiver is controlled.The most just
It is to say, according to interference source situation, in real time the receiving sensitivity of receiver is carried out self-adaptative adjustment so that connect
Receipts machine can reach preferable AP and receive and dispatch performance, even if in the case of wireless network dense deployment, having relatively
Interference signal also will not be received by the receiver of good AP transmitting-receiving performance as normal data packet, and will not be by
Normal data packet abandons as interference signal, reduces the interference of interference signal.
Below in conjunction with the accompanying drawings, the method and the relevant device that provide the present invention with specific embodiment are retouched in detail
State.
Embodiment 1:
In the embodiment of the present invention 1, it is provided that the interference control method of a kind of receiver, as in figure 2 it is shown, tool
Body comprises the steps:
S201, determine that receiver receives the Packet Error Rate of packet in the first preset time period.
In this step, receiver can be provided with in adding up the first preset time period and receive by eating dishes without rice or wine
The depositor of packet Packet Error Rate, can directly read the first preset time period inner receiver from this depositor
Receive the Packet Error Rate of packet.
Further, the first preset time period can be set according to actual needs.
S202, determine the second preset time period in each terminal send the average speed of upstream data bag to receiver
Rate.
In this step, receiver can be each terminal arranges a data block, be used for preserving this terminal and send out
Send the transmission rate of upstream data bag, signal intensity etc..In the second preset time period can be added up each terminal to
Receiver sends the speed of upstream data bag, and determines that the meansigma methods of each speed obtains Mean Speed.
In this step, the second preset time period can be set according to actual needs, it is preferred that second is pre-
If the time period can be equal with the first preset time period in S201.
S203, according between the Mean Speed determined in the Packet Error Rate determined in S201 and S202 numerical value close
System, the current receiving sensitivity of estimation receiver so that the Packet Error Rate determined in S201 is the least and in S202
The Mean Speed determined is the highest, and the current receiving sensitivity estimated is the highest.
Further, if the receiving sensitivity of receiver arranges too low, receiver may be caused cannot to receive end
End send normal upward signal, and if receiver cannot receive terminal send normal upward signal,
Then terminal may reduce transmission rate, and then has influence on up throughput.Gulp down to reach the wireless of optimum
Telling rate, it is preferred that the Packet Error Rate minimum of receiver should be made, and the transmission rate of terminal is maximum.Therefore,
The number between the Packet Error Rate of packet and the Mean Speed of terminal transmission packet can be received by receiver
According to value relation, estimate the current receiving sensitivity of receiver, and, it is ensured that at the Packet Error Rate determined with average
In data value relation between speed, the least and the highest receiver of Mean Speed the sensitivity of Packet Error Rate is the highest.
It is preferred that according to the numerical relation between Packet Error Rate and Mean Speed, following formula estimation can be used to receive
Current receiving sensitivity E of machine:
E=R × α (1-per) formula (1)
In formula (1), R in characterizing the second preset time period each terminal to receiver send upstream data bag
Mean Speed；Per characterizes receiver and receives the Packet Error Rate of packet in the first preset time period；α table
Requisition integral coefficient, and α is positive number.It is preferred that the positive number that α is 1 or about 1.
Visible according to formula (1), when Mean Speed R is the highest, Packet Error Rate per is the least, then R and (1-per)
Product is the biggest, illustrates that current interference is less, then can make that receiver can receive, can normally work
Lowest signal intensity smaller, i.e. improve the receiving sensitivity of receiver.
Further, formula (1) provides a kind of mode preferably estimating receiving sensitivity, according to connecing
The data value relation that receipts machine receives between the Packet Error Rate of packet and the Mean Speed of terminal transmission packet is true
Determine other estimation modes of receiving sensitivity, meet that Packet Error Rate is the least and the highest receiver of Mean Speed sensitive
Spend the highest also within protection scope of the present invention, repeat no more here.
The currently used receiving sensitivity of S204, the receiving sensitivity determining in S203 estimation and receiver it
Between difference.
In this step, it is preferred that initial time assume that current environment is preferable environment, there is not interference,
Receiver sensitivity is set to the highest receiving sensitivity, say, that the receiving sensitivity estimated first can
To determine difference with the highest receiving sensitivity, hereafter use the receiver sensitivity of embodiment of the present invention offer
Method of adjustment inspection updates receiving sensitivity.Can also according to actual needs, by the reception of receiver time initial
Sensitivity is set to any receiving sensitivity in receiving sensitivity adjustable extent, hereafter uses the present invention to implement
The method of adjustment inspection of the receiver sensitivity that example provides updates receiving sensitivity.
S205, judge that whether the absolute value of difference determined in S204 is more than presetting the threshold of sensitivity, if so,
Then enter step S206, if it is not, then enter step S209.
The size of S206, the receiving sensitivity judging estimation in S203 and currently used receiving sensitivity is closed
System, if being more than, then enters step S207, if being less than, then enters step S208.
S207, in the adjustable range of receiver receiving sensitivity, by currently used for receiver reception spirit
Sensitivity increases, to reduce the interference of interference signal.Enter step S210.
In this step, when in S203, the receiving sensitivity of estimation is more than currently used receiving sensitivity, and
The absolute value of the difference determined in S204 more than preset the threshold of sensitivity time, in receiver receiving sensitivity can
In adjusting range, receiving sensitivity currently used for receiver is increased, to reduce the interference of interference signal.
During it is to say, the receiving sensitivity of estimation is more than currently used receiving sensitivity, illustrate currently without wire loop
Border is disturbed less, the receiving sensitivity of receiver can be increased, make that receiver can receive, can be just
Often the lowest signal intensity of work is smaller, in order to avoid normal data packet being abandoned as interference signal.
Further, according to the configuring condition of each receiver hardware, the receiving sensitivity of each receiver
Scope and minimum adjustable unit may be different.Generally, can by receiver hardware limitation
High receiving sensitivity RSuUnit adjustable with minimum (such as: 1db), and arrange minimum according to practical situation
Receiving sensitivity RSd, then receiving sensitivity RSiAdjustable range may determine that into:
RSi∈[RSu,RSd] formula (1)
Due to the highest receiving sensitivity RS of receiveruUnit adjustable with minimum is limited by hardware configuration situation, and
The highest receiving sensitivity RS of receiver is determined according to practical situationuWith minimum receiving sensitivity RSdBetween differ
Adjustable units N of minimum, can obtain:
RSd=RSu+ N formula (2)
It should be noted that owing to receiving sensitivity is usually negative, and the highest receiving sensitivity RSuExhausted
To value more than minimum receiving sensitivity RSdAbsolute value, i.e. | RSu| ＞ | RSd|, therefore generally RSu＜ RSd,
In formula (2), N is integer.
Further, in this step, the adjustable range of receiver receiving sensitivity can be such as formula (1) institute
Show, say, that when in S203, the receiving sensitivity of estimation is more than currently used receiving sensitivity, and
The absolute value of the difference determined in S204 is more than presetting the threshold of sensitivity, and currently used receiving sensitivity is
Through being the highest receiving sensitivity RS of receiveruTime, or
When in S203, the receiving sensitivity of estimation is more than currently used receiving sensitivity, and S204 determines
The absolute value of difference more than presetting the threshold of sensitivity, and receiving sensitivity currently used for receiver is being pressed
After increasing according to predetermined manner, the currently used receiving sensitivity of new receiver after adjustment connects more than the highest
Receive sensitivity RSuTime, the receiving sensitivity that receiver is currently used can not be adjusted.
In this step, specifically to when receiving sensitivity adjustment, suitable adjustment can be increased according to actual needs
Amount, it is preferred that adjustment unit can be preset, can adjust list according to default when increasing receiving sensitivity every time
Position, adjusts upward one or several are preset and adjust unit.Presetting adjustment unit can be according to actual needs
It is set, can be minimum adjustable unit, it is also possible to for the default adjustment unit more than minimum adjustable unit.
S208, in the adjustable range of receiver receiving sensitivity, by currently used for receiver reception spirit
Sensitivity reduces, to reduce the interference of interference signal.Enter step S210.
In this step, when the receiving sensitivity of estimation is less than currently used receiving sensitivity, and in S204
The absolute value of the difference determined is more than when presetting the threshold of sensitivity, at the adjustable model of receiver receiving sensitivity
In enclosing, receiving sensitivity currently used for receiver is reduced, to reduce the interference of interference signal.Namely
Say, when the receiving sensitivity of estimation is less than currently used receiving sensitivity, illustrate in current radio environment dry
Disturb relatively big, the receiving sensitivity of receiver can be reduced, make that receiver can receive, can normally work
Lowest signal intensity some larger, in order to avoid will interference signal as normal data packet receive, with realizes reduction
The interference of interference signal.
Further, in this step, the adjustable range of receiver receiving sensitivity can be such as formula (1) institute
Show, say, that when in S203, the receiving sensitivity of estimation is less than currently used receiving sensitivity, and
The absolute value of the difference determined in S204 is more than presetting the threshold of sensitivity, and currently used receiving sensitivity is
Through being minimum receiving sensitivity RS of receiverdTime, or
When in S203, the receiving sensitivity of estimation is less than currently used receiving sensitivity, and S204 determines
The absolute value of difference more than presetting the threshold of sensitivity, and receiving sensitivity currently used for receiver is being pressed
After reducing according to predetermined manner, the currently used receiving sensitivity of new receiver after adjustment connects less than minimum
Receive sensitivity RSdTime, the receiving sensitivity that receiver is currently used can not be adjusted.
It is possible to further arrange timer interval T according to practical situation, every T time to receiver
Receiving sensitivity is estimated and adjusts.
S209, the receiving sensitivity keeping receiver currently used are constant.This flow process terminates.
Further, in the present embodiment, needs can be judged whether according to the current receiving sensitivity estimated
Currently used sensitivity is adjusted, when estimation receiving sensitivity and receiver currently used reception spirit
Sensitivity difference is zero, or, when the receiving sensitivity of estimation and the currently used receiving sensitivity of receiver
Difference is not zero, but when the absolute value of difference is not more than the default threshold of sensitivity, receiver can be kept current
The receiving sensitivity used is constant.
In this step, owing to receiving sensitivity is constant, then idle channel detection (CCA, Clear Channel
Assessment) threshold value can also be constant.
S210, currently used connecing according to the new receiver after the adjustment obtained in S207 or in S208
Receive sensitivity, adjust current CCA threshold value.
It is preferred that following formula adjustment current CCA threshold value CCA can be used:
CCA=RSi+ M formula (3)
In formula (3), RSiCharacterize the receiving sensitivity that the new receiver after adjusting is currently used；M characterizes
Preset difference value between receiving sensitivity and the CCA threshold value of receiver.Generally M can be through repeatedly
The empirical value that experiment obtains.
Further, CCA threshold value can be the threshold value that assessment channel is the most idle.Specifically, when treating
When the signal intensity of transmission signal is more than CCA thresholding, it may be determined that channel of currently eating dishes without rice or wine is busy, it is impossible to send out
The number of delivering letters, when the signal intensity of signal to be sent is not more than CCA thresholding, it may be determined that letter of currently eating dishes without rice or wine
Road is idle, it is possible to send signal.
Further, usual and receiver the receiving sensitivity of CCA threshold value has fixing numerical relation
(as shown in formula (3)), then, the self-adaptative adjustment receiver provided in the embodiment of the present invention receives sensitive
On the premise of degree, CCA threshold value also is able to realize self-adaptative adjustment, i.e. according to the receiving sensitivity after adjusting
It is adjusted.
The receiving sensitivity determined below by the method for example 1 explanation use embodiment of the present invention offer and root
The CCA thresholding determined according to this receiving sensitivity, carries out the process of wireless data transceiving.
Example 1: terminal A sends data, specifically, the reception of wireless routing by wireless routing to terminal B
Machine receives the data that terminal A sends, and is determining that the data that terminal A sends are valid data, and currently
Terminal B is sent the data to the when of channel idle of eating dishes without rice or wine.
The decision model schematic diagram of the 1 CCA thresholding provided as a example by Fig. 3, as it is shown on figure 3, RSi judges
The RSi used in module 302 is the receiving sensitivity that the new receiver after adjusting is currently used, CCA
The CCA used in thresholding determination module 304 is the CCA thresholding adjusted according to RSi, receiver antenna
301 when receiving the packet that terminal A sends by eating dishes without rice or wine, when the signal intensity sending this packet is big
When receiving sensitivity RSi, receiver is able to receive that this packet, and delivers a packet to useful signal
Judge module 303, in useful signal judge module 303, sentences according to the lead code that packet header carries
Whether this packet disconnected is the effective wireless signal (i.e. meeting the signal of 802.11 agreements) that self can process,
If it is, this packet of transmission is sent to CCA thresholding determination module 304, otherwise, packet is lost
Abandoning, continue to monitor whether receive packet, CCA thresholding determination module 304 will send the letter of this packet
Number intensity is made comparisons with the CCA thresholding of current setting, when signal intensity is more than CCA thresholding, determines and works as
Before channel of eating dishes without rice or wine busy, packet is put in queue to be sent, sends when waiting and eat dishes without rice or wine channel idle, when
When signal intensity is not more than CCA thresholding, determine channel idle of currently eating dishes without rice or wine, by data by this letter of eating dishes without rice or wine
Road is sent to terminal B.
According to predetermined period, the receiving sensitivity of estimation receiver, and currently used receiving sensitivity is carried out
Adjust, and adjust CCA threshold value according to the new currently used receiving sensitivity after adjusting, use in real time
That adjust, there is the preferable AP transmitting-receiving receiving sensitivity of performance and data are received by CCA threshold value
And transmission, it is achieved that the interference of receiver controls.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of receiver, due to this receiver institute
The principle of solution problem is similar to the interference control method of aforementioned a kind of receiver, the therefore enforcement of this receiver
May refer to the enforcement of preceding method, repeat no more in place of repetition.
A kind of receiver that the embodiment of the present invention provides, as shown in Figure 4, including:
Estimation block 401, for estimating the current receiving sensitivity of receiver；
Determine module 402, for determining that receiving sensitivity that described estimation block 401 estimate and receiver ought
Difference between the receiving sensitivity of front use；
Adjusting module 403, for the receiving sensitivity when the estimation of described estimation block 401 more than currently used
Receiving sensitivity, and described determine that the absolute value of difference that module 402 determines is more than presetting the threshold of sensitivity
Time, in the adjustable range of receiver receiving sensitivity, receiving sensitivity currently used for receiver is increased
Add, to reduce the interference of interference signal；When the receiving sensitivity of described estimation block 401 estimation is less than current
The receiving sensitivity used, and described determine that the absolute value of difference that module 402 determines is more than presetting sensitivity
During threshold value, in the adjustable range of receiver receiving sensitivity, by sensitive for reception currently used for receiver
Degree reduces, to reduce the interference of interference signal.
Further, described estimation block 401, specifically for estimating the current of receiver in the following way
Receiving sensitivity: determine that receiver receives the Packet Error Rate of packet in the first preset time period；Determine second
In preset time period, each terminal sends the Mean Speed of upstream data bag to receiver；According to described Packet Error Rate and
Numerical relation between described Mean Speed, the current receiving sensitivity of estimation receiver so that described wrong bag
Rate is the least and Mean Speed is the highest, and the current receiving sensitivity estimated is the highest.
Further, described estimation block 401, specifically for according to described Packet Error Rate and described Mean Speed
Between numerical relation, use following formula estimation receiver current receiving sensitivity E:
E=R × α (1-per)
Wherein, R characterizes described Mean Speed；Per characterizes described Packet Error Rate；α characterizes regulation coefficient, and α
For positive number.
Further, described adjusting module 403, it is additionally operable to the reception adjusting receiver currently used sensitive
After degree, according to the receiving sensitivity that the new receiver after adjusting is currently used, adjust current CCA door
Limit value.
Further, described adjusting module 403, specifically for currently making according to the new receiver after adjusting
Receiving sensitivity, use following formula adjust current CCA threshold value CCA:
CCA=RSi+M
Wherein, RSiCharacterize the receiving sensitivity that the new receiver after adjusting is currently used；M characterizes reception
Preset difference value between receiving sensitivity and the CCA threshold value of machine.
A kind of equipment that the embodiment of the present invention provides, including: above-mentioned a kind of receiver.
The function of above-mentioned each unit may correspond to the respective handling step in flow process shown in Fig. 1 to Fig. 2, at this
Repeat no more.
The interference control method of a kind of receiver, receiver and the equipment that the embodiment of the present invention provides, estimation connects
The current receiving sensitivity of receipts machine；Determine that the receiving sensitivity of estimation and the currently used reception of receiver are sensitive
Difference between degree；When the receiving sensitivity of estimation is more than currently used receiving sensitivity, and this difference
Absolute value is more than when presetting the threshold of sensitivity, in the adjustable range of receiver receiving sensitivity, will receive
The receiving sensitivity increase that machine is currently used, to reduce the interference of interference signal；Receiving sensitivity when estimation
Less than currently used receiving sensitivity, and the absolute value of this difference is more than when presetting the threshold of sensitivity, is connecing
In the adjustable range of receipts machine receiving sensitivity, receiving sensitivity currently used for receiver is reduced, to subtract
The interference of little interference signal.The interference control method of a kind of receiver that the embodiment of the present invention provides, by making
The jamproof key factor i.e. receiving sensitivity of receiver, according to interference source situation, is carried out adaptive by receiver
Should adjust so that receiver will not make normal packet be dropped, also because receiving sensitivity is too low
Because receiving sensitivity is too high, the interference signal of surrounding will not be received as normal packet, make reception
Machine reaches preferable AP and receives and dispatches performance, even if in the case of wireless network dense deployment, it is also possible to correctly connect
Receive the normal packet that self should receive, reduce the interference of interference signal.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive the present invention
Embodiment can be realized by hardware, it is also possible to the mode of the general hardware platform adding necessity by software is come real
Existing.Based on such understanding, the technical scheme of the embodiment of the present invention can embody with the form of software product
Come, this software product can be stored in a non-volatile memory medium (can be CD-ROM, USB flash disk,
Portable hard drive etc.) in, including some instructions with so that computer equipment (can be personal computer,
Server, or the network equipment etc.) perform the method described in each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the mould in accompanying drawing
Block or flow process are not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in the device in embodiment can describe according to embodiment
Carry out being distributed in the device of embodiment, it is also possible to carry out respective change and be disposed other than one of the present embodiment
Or in multiple device.The module of above-described embodiment can merge into a module, it is also possible to is further split into
Multiple submodules.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. the interference control method of a receiver, it is characterised in that including:
Determine that receiver receives the Packet Error Rate of packet in the first preset time period；
In determining the second preset time period, each terminal sends the Mean Speed of upstream data bag to receiver；
According to the numerical relation between described Packet Error Rate and described Mean Speed, the current reception of estimation receiver
Sensitivity so that described Packet Error Rate is the least and Mean Speed is the highest, the current receiving sensitivity estimated is the highest；
Determine the difference between receiving sensitivity and the receiving sensitivity that receiver is currently used of estimation；
When the receiving sensitivity of estimation is more than currently used receiving sensitivity, and the absolute value of described difference is big
When the default threshold of sensitivity, in the adjustable range of receiver receiving sensitivity, receiver is currently made
Receiving sensitivity increase, with reduce interference signal interference；
When the receiving sensitivity of estimation is less than currently used receiving sensitivity, and the absolute value of described difference is big
When the default threshold of sensitivity, in the adjustable range of receiver receiving sensitivity, receiver is currently made
Receiving sensitivity reduce, with reduce interference signal interference.
2. the method for claim 1, it is characterised in that according to described Packet Error Rate and described averagely
Numerical relation between speed, current receiving sensitivity E of employing following formula estimation receiver:
E=R × α (1-per)
Wherein, R characterizes described Mean Speed；Per characterizes described Packet Error Rate；α characterizes regulation coefficient, and α
For positive number.
3. the method as described in any one of claim 1-2, it is characterised in that receiver is current adjusting
After the receiving sensitivity used, also include:
According to the receiving sensitivity that the new receiver after adjusting is currently used, adjust current idle Channel Detection
CCA threshold value.
4. method as claimed in claim 3, it is characterised in that work as according to the new receiver after adjusting
The receiving sensitivity of front use, employing following formula adjustment current CCA threshold value CCA:
CCA=RSi+M
Wherein, RSiCharacterize the receiving sensitivity that the new receiver after adjusting is currently used；M characterizes reception
Preset difference value between receiving sensitivity and the CCA threshold value of machine.
5. a receiver, it is characterised in that including:
Estimation block, for determining that receiver receives the Packet Error Rate of packet in the first preset time period；Really
In fixed second preset time period, each terminal sends the Mean Speed of upstream data bag to receiver；According to described mistake
Numerical relation between bag rate and described Mean Speed, the current receiving sensitivity of estimation receiver so that institute
Stating that Packet Error Rate is the least and Mean Speed is the highest, the current receiving sensitivity estimated is the highest；
Determine module, currently used for determining receiving sensitivity that described estimation block estimates and receiver
Difference between receiving sensitivity；
Adjusting module, clever more than currently used reception for the receiving sensitivity estimated when described estimation block
Sensitivity, and described determine the absolute value of difference that module determines more than when presetting the threshold of sensitivity, at receiver
In the adjustable range of receiving sensitivity, receiving sensitivity currently used for receiver is increased, dry to reduce
Disturb the interference of signal；The receiving sensitivity estimated when described estimation block is less than currently used receiving sensitivity,
And described determine that the absolute value of difference that module determines, more than when presetting the threshold of sensitivity, receives spirit at receiver
In the adjustable range of sensitivity, receiving sensitivity currently used for receiver is reduced, to reduce interference signal
Interference.
6. receiver as claimed in claim 5, it is characterised in that described estimation block, specifically for
According to the numerical relation between described Packet Error Rate and described Mean Speed, use the current of following formula estimation receiver
Receiving sensitivity E:
E=R × α (1-per)
Wherein, R characterizes described Mean Speed；Per characterizes described Packet Error Rate；α characterizes regulation coefficient, and α
For positive number.
7. the receiver as described in any one of claim 5-6, it is characterised in that described adjusting module,
It is additionally operable to, after adjusting the receiving sensitivity that receiver is currently used, work as according to the new receiver after adjusting
The receiving sensitivity of front use, adjusts current CCA threshold value.
8. receiver as claimed in claim 7, it is characterised in that described adjusting module, specifically for
According to the receiving sensitivity that the new receiver after adjusting is currently used, following formula is used to adjust current CCA door
Limit value CCA:
CCA=RSi+M
Wherein, RSiCharacterize the receiving sensitivity that the new receiver after adjusting is currently used；M characterizes reception
Preset difference value between receiving sensitivity and the CCA threshold value of machine.
9. an interference control equipment, it is characterised in that including: as described in any one of claim 5～8
Receiver.
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| CN104410989A (en) * | 2014-11-03 | 2015-03-11 | 华数传媒网络有限公司 | Intelligent radio frequency detection and adjusting method for household gateway |
| CN106470488B (en) * | 2015-08-20 | 2020-02-21 | 华为技术有限公司 | Channel bundling method and device |
| CN106253996B (en) * | 2016-08-09 | 2020-06-19 | 北京小米移动软件有限公司 | Sensitivity attenuation test method and device |
| WO2020102986A1 (en) * | 2018-11-20 | 2020-05-28 | 深圳市欢太科技有限公司 | Method and device for interference processing, storage medium, and electronic device |
| CN112437418B (en) * | 2020-07-17 | 2024-01-30 | 珠海市杰理科技股份有限公司 | TWS equipment communication data configuration method, TWS equipment communication data configuration device, TWS equipment communication data configuration chip and TWS equipment communication data configuration medium |
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| CN1852206A (en) * | 2005-10-27 | 2006-10-25 | 威盛电子股份有限公司 | Data transmission method and data transceiver |
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Address after: Cangshan District of Fuzhou City, Fujian province 350002 Jinshan Road No. 618 Garden State Industrial Park 19 floor Patentee after: RUIJIE NETWORKS Co.,Ltd. Address before: Cangshan District of Fuzhou City, Fujian province 350002 Jinshan Road No. 618 Garden State Industrial Park 19 floor Patentee before: Beijing Star-Net Ruijie Networks Co.,Ltd. |