CN107438255A - A kind of method and apparatus for detecting area interference - Google Patents

A kind of method and apparatus for detecting area interference Download PDF

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Publication number
CN107438255A
CN107438255A CN201610356338.XA CN201610356338A CN107438255A CN 107438255 A CN107438255 A CN 107438255A CN 201610356338 A CN201610356338 A CN 201610356338A CN 107438255 A CN107438255 A CN 107438255A
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China
Prior art keywords
interference
community
thresholding
average value
symbol
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CN201610356338.XA
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Chinese (zh)
Inventor
雷婷
罗金武
柳海辉
朱涛
范小丽
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ZTE Corp
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ZTE Corp
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Priority to CN201610356338.XA priority Critical patent/CN107438255A/en
Priority to PCT/CN2017/074970 priority patent/WO2017202092A1/en
Publication of CN107438255A publication Critical patent/CN107438255A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic

Abstract

The embodiment of the invention discloses a kind of method and apparatus for detecting area interference, obtain base station measurement information data when each cell in selection region has interference alarm, and the base station measurement information data includes：Interference power data and threshold data；Respectively according to the interference power data of each cell and the threshold data, it is determined that the interference type of each cell, the interference type includes：Forward direction disturbs and backward interference；Interfered cell is determined according to forward direction interference in the selection region and the cell number disturbed backward.

Description

A kind of method and apparatus for detecting area interference
Technical field
The present invention relates to the area interference detection technique of moving communicating field, more particularly to a kind of detection cell to do The method and apparatus disturbed.
Background technology
In timesharing Long Term Evolution (TD-LTE, Time Division Long Term Evolution) commercial network The epoch of extensive development, Countries and area there will be Duo Jia operators in same geographic area simultaneously Dispose the situation of TD-LTE networks.If Duo Jia operators dispose TD-LTE in same geographic area successive bands Network, if do not synchronized between each other and uplink and downlink timeslot proportioning is coordinated, it will cause serious mutual Interference.
The content of the invention
To solve existing technical problem, the embodiment of the present invention provides a kind of method for detecting area interference And device, current network interference source, i.e. interfered cell can be detected.
To reach above-mentioned purpose, what the technical scheme of the embodiment of the present invention was realized in：
The embodiment of the present invention provides a kind of method for detecting area interference, and methods described includes：
Obtain base station measurement information data when each cell in selection region has interference alarm, the base Metrical information of standing data include：Interference power data and threshold data；
Respectively according to the interference power data of each cell and the threshold data, determine described each The interference type of individual cell, the interference type include：Forward direction disturbs and backward interference；
Interfered cell is determined according to forward direction interference in the selection region and the cell number disturbed backward.
Further, first community is any one cell in the selection region, small according to described first The interference power data in area and the threshold data determine the interference type of the first community, including：
Determine whether the first community deposits according to the first community interference power data and the threshold data Disturbing；
When it is determined that the first community has interference, according to the rolling of the interference power data of the first community Drop characteristic determines whether the first community is that band internal power disturbs；
When it is determined that the first community is band internal power interference, repetition in the first community is filtered out Interference power data, choose interference nearest apart from current time in the interference power data of the first community Power data is the first interference power data, is determined in first interference power data apart from current time most Near time slot position is the interference time slot position of the first community；
The interference type of the first community is determined according to the interference time slot position of the first community.
Further, the threshold data includes：The bottom of regular upstream subframe is made an uproar thresholding, uplink pilot time slot UpPTS bottom is made an uproar thresholding, RB number thresholdings；
The interference power data includes：UpPTS1, UpPTS2, time slot 1Slot1, time slot 2Sl,ot2 tetra- Individual symbol, each symbol include n RB average value and n RB maximum, and n is natural number.
Further, it is described according to determining the first community interference power data and the threshold data First community whether there is interference, including：
When the UpPTS1 of first community n RB bottom of the average value more than the UpPTS is made an uproar door RB number of limit is more than the RB numbers thresholding, or the UpPTS2 of first community n RB's is flat Make an uproar RB number of thresholding of bottom of the average more than the UpPTS is more than the RB numbers thresholding, or described first Make an uproar RB number of thresholding at the bottom that the Slot1 of cell n RB average value exceedes the regular upstream subframe It is normal more than described more than the RB numbers thresholding, or the Slot2 of first community n RB average value Make an uproar RB number of thresholding of the bottom of rule sub-frame of uplink is more than the RB numbers thresholding, determines that the first community is deposited Disturbing.
Further, the roll-off characteristic of the interference power data according to the first community determines described Whether one cell is that band internal power disturbs, including：
It is m to set roll-off characteristic to analyze coboundary and the RB numbers of lower boundary selection, m be more than 0 certainly So number, when n is more than or equal to 15, m value is 15, and when n is less than 15, m is equal to n；
Determined respectively according to the average value of n RB of each symbol in the four of the first community symbols Each symbol coboundary and the roll-off characteristic of lower boundary；
When the coboundary of at least one symbol in four symbols of the first community or lower boundary have spy of roll-offing Property, it is that band internal power disturbs to determine the first community.
Further, the first symbol is any of four symbols of first community symbol, it is determined that described First symbol coboundary and the roll-off characteristic of lower boundary, including：
The average value for choosing first RB of n RB average value average value to m-th of RB is institute State the first symbol coboundary, choose the individual RB of the n-th-m+1 average value of n RB average value to n-th Individual RB average value is the first symbol lower boundary；
RB is set to select, at intervals of Δ RB, to set the first thresholding and the second thresholding；
Since m-th of RB of the first symbol coboundary average value, one is chosen every Δ RB RB average value, until choosing the average value to first RB, determine to choose at intervals of Δ RB respectively The difference of two neighboring average value be the first numerical value, respectively by first number of the first symbol coboundary Value determines that the number that first numerical value is more than first thresholding is second value compared with the first thresholding, When the second value is more than second thresholding, determine that the first symbol coboundary has roll-off characteristic；
Since n-th of RB of the first symbol lower boundary average value, a RB is chosen every Δ RB Average value, until choosing the average value to the n-th-m+1 RB, determine to choose at intervals of Δ RB respectively The difference of two neighboring average value be third value, respectively by the 3rd number of the first symbol lower boundary Value determines that the number that the third value is more than first thresholding is the 4th numerical value compared with the first thresholding, When the 4th numerical value is more than second thresholding, determine that the first symbol lower boundary has roll-off characteristic.
Further, the interference time slot position according to the first community determines the dry of the first community Type is disturbed, including：
Interference power data corresponding to the interference time slot position of the first community is the second interference power data；
When the first community interference time slot position second interference power data preset time slot position it Before, determine the first community to be preceding to interference；
When the first community interference time slot position second interference power data preset time slot position it Afterwards, determine the first community for backward interference.
Further, it is described to be determined according to forward direction interference in the selection region and the cell number disturbed backward Interfered cell, including：
The cell number that forward direction is disturbed and disturbed backward in the selection region is counted, determines the forward direction interference Minimum cell is interfered cell with cell number in backward interference.
Further, the interference alarm includes：UpPTS interference alarm or the interference alarm of regular upstream subframe.
The embodiment of the present invention provides a kind of device for detecting area interference, and described device includes：Acquiring unit, Determining unit, wherein,
The acquiring unit, surveyed for obtaining base station when each cell in selection region has interference alarm Information data is measured, the base station measurement information data includes：Interference power data and threshold data；
The determining unit, for respectively according to the interference power data of each cell and the thresholding Data, it is determined that the interference type of each cell, the interference type includes：Forward direction disturbs and backward Interference；It is additionally operable to determine that interference is small according to forward direction interference in the selection region and the cell number disturbed backward Area.
Further, the determining unit, specifically for according to the first community interference power data and institute Stating threshold data determines the first community with the presence or absence of interference；It is additionally operable to when the determination first community is present During interference, whether the first community is determined according to the roll-off characteristic of the interference power data of the first community Disturbed for band internal power；It is additionally operable to when it is determined that the first community is band internal power interference, filter out described The interference power data of repetition in first community, choose distance in the interference power data of the first community The nearest interference power data of current time is the first interference power data, determines the first jamming power number According to the interference time slot position that the middle time slot position nearest apart from current time is the first community；It is additionally operable to root The interference type of the first community is determined according to the interference time slot position of the first community.
Further, the threshold data includes：The bottom of regular upstream subframe is made an uproar thresholding, uplink pilot time slot UpPTS bottom is made an uproar thresholding, RB number thresholdings；
The interference power data includes：Tetra- symbols of UpPTS1, UpPTS2, Slot1, Slot2, it is each Individual symbol includes n RB average value and n RB maximum, and n is natural number.
Further, the determining unit, specifically for the n RB of the UpPTS1 when the first community Make an uproar RB number of thresholding of bottom of the average value more than the UpPTS be more than the RB numbers thresholding, it is or described Make an uproar the RB of thresholding at bottom of the UpPTS2 of the first community n RB average value more than the UpPTS Number is more than the RB numbers thresholding, or the Slot1 of first community n RB average value more than described in Make an uproar RB number of thresholding of the bottom of regular upstream subframe is more than the RB numbers thresholding, or the first community The make an uproar RB number of thresholding of bottom that Slot2 n RB average value exceedes the regular upstream subframe is more than institute RB number thresholdings are stated, determine that the first community has interference.
Further, the determining unit, specifically for setting, roll-off characteristic analyzes coboundary and lower boundary selects The RB numbers selected are m, and m is the natural number more than 0, and when n is more than or equal to 15, m value is 15, When n is less than 15, m is equal to n；For being accorded with respectively according to each in the four of the first community symbols Number n RB average value determine the roll-off characteristic of each symbol coboundary and lower boundary；For working as State the coboundary of at least one symbol or lower boundary in four symbols of first community and roll-off characteristic be present, it is determined that The first community is that band internal power disturbs.
Further, the first symbol is any of four symbols symbol of the first community, the determination Unit, first RB of the average value specifically for choosing n RB average value is to m-th RB's Average value is the first symbol coboundary, and the n-th-m+1 RB's of n RB of selection average value is flat Average to n-th of RB average value is the first symbol lower boundary；For set RB selection at intervals of Δ RB, the first thresholding and the second thresholding are set；For m-th of RB's from the first symbol coboundary Average value starts, and RB average value is chosen every Δ RB, until choosing to first RB's Average value, determination selection respectively is the first numerical value at intervals of the difference of Δ RB two neighboring average value, respectively will First numerical value of the first symbol coboundary determines that first numerical value is more than compared with the first thresholding The number of first thresholding is second value, when the second value is more than second thresholding, it is determined that Roll-off characteristic be present in the first symbol coboundary；For n-th of RB from the first symbol lower boundary Average value start, RB average value is chosen every Δ RB, until choosing to the n-th-m+1 RB average value, determination selection respectively is third value at intervals of the difference of Δ RB two neighboring average value, Respectively by the third value of the first symbol lower boundary compared with the first thresholding, the 3rd number is determined Value is the 4th numerical value more than the number of first thresholding, when the 4th numerical value is more than second thresholding, Determine that the first symbol lower boundary has roll-off characteristic.
Further, interference power data corresponding to the interference time slot position of the first community is the second interference Power data；The determining unit, the interference time slot position when the first community is additionally operable to described second Before interference power data presets time slot position, determine the first community to be preceding to interference；It is additionally operable to work as institute The interference time slot position of first community is stated after second interference power data presets time slot position, it is determined that The first community is backward interference.
Further, described device also includes：Statistic unit, done for counting forward direction in the selection region The cell number disturbed and disturbed backward；
The determining unit, it is additionally operable to determine minimum small of cell number in the forward direction interference and backward interference Area is interfered cell.
Further, the interference alarm includes：UpPTS interference alarm or the interference alarm of regular upstream subframe.
The embodiments of the invention provide a kind of method and apparatus for detecting area interference, obtain every in selection region There is base station measurement information data during interference alarm in one cell, the base station measurement information data includes： Interference power data and threshold data；Respectively according to the interference power data of each cell and the door Data are limited, it is determined that the interference type of each cell, the interference type includes：Forward direction is disturbed with after To interference；Interfered cell is determined according to forward direction interference in the selection region and the cell number disturbed backward. The method and apparatus of detection area interference provided in an embodiment of the present invention, from existing real network, according to The base station measurement information data reported, analyze and position current network interference source, i.e. interfered cell.
Brief description of the drawings
In accompanying drawing (it is not necessarily drawn to scale), similar reference can be in different views Described in similar part.Similar reference numerals with different letter suffix can represent the difference of similar component Example.Accompanying drawing generally shows each embodiment discussed herein by way of example and not limitation.
Fig. 1 is the method flow schematic diagram one of detection area interference provided in an embodiment of the present invention；
Fig. 2 is the method flow schematic diagram two of detection area interference provided in an embodiment of the present invention；
Fig. 3 is that four symbols of time dimension provided in an embodiment of the present invention illustrate；
Fig. 4 is the apparatus structure schematic diagram one of detection area interference provided in an embodiment of the present invention；
Fig. 5 is the apparatus structure schematic diagram two of detection area interference provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear Chu, it is fully described by.
Embodiment one
The embodiment of the present invention provides a kind of method for detecting area interference, as shown in figure 1, methods described can be with Including：
Step 101, each interior cell of selection region is obtained in the presence of the base station measurement Information Number disturbed when alerting According to.
Specifically, the executive agent of the method for detection area interference provided in an embodiment of the present invention can be detection The device of area interference, that is, the device for detecting area interference obtain each interior cell of selection region in the presence of interference Base station measurement information data during alarm, wherein, the base station measurement information data includes：Jamming power number According to and threshold data.
Wherein, the interference alarm includes：UpPTS interference alarm or the interference alarm of regular upstream subframe.
The threshold data includes：The bottom of regular upstream subframe is made an uproar thresholding, uplink pilot time slot UpPTS bottom Make an uproar thresholding, RB number thresholdings.
The interference power data includes：UpPTS1, UpPTS2, time slot 1Slot1, time slot 2Sl,ot2 tetra- Individual symbol, each symbol include n RB average value and n RB maximum, and n is natural number.
Exemplary, n value is 100, corresponding 100 RB of each symbol maximum and 100 RB Average value, totally 800 power disturbance values.
Specifically, system obtains the base station measurement information data exported on the base station of foreground, each report cycle number According to comprising UpPTS1, UpPTS2, Slot1, tetra- symbols of Slot2, corresponding 100 RB's of each symbol The average value of maximum and 100 RB, totally 800 interference power values.In base station measurement information data also Include tri- thresholdings of wUlNIAlmThr, wUpPTSNIAlmThr and ucUlNIAlmRBThr.
Step 102, the respectively interference power data of each cell and the threshold data according to, really The interference type of fixed each cell.
Wherein, the interference type includes：Forward direction disturbs and backward interference.
Specifically, setting first community as any one cell in selection region, the dress of area interference is detected Put the interference that the first community is determined according to the interference power data and the threshold data of the first community Type, including：
Determine whether the first community deposits according to the first community interference power data and the threshold data Disturbing；
When it is determined that the first community has interference, according to the rolling of the interference power data of the first community Drop characteristic determines whether the first community is that band internal power disturbs；
When it is determined that the first community is band internal power interference, repetition in the first community is filtered out Interference power data, choose interference nearest apart from current time in the interference power data of the first community Power data is the first interference power data, is determined in first interference power data apart from current time most Near time slot position is the interference time slot position of the first community；
The interference type of the first community is determined according to the interference time slot position of the first community.
Step 103, the cell number disturbed and disturbed backward according to forward direction in the selection region determine interference Cell.
Specifically, the device of detection area interference counts forward direction interference in the selection region and disturbed backward Cell number, determine that the cell that cell number is minimum in the forward direction interference and backward interference is interfered cell. Forward direction interference and the cell number disturbed backward, any interference type in selected areas is counted to include small Area's number is small, and these cells are interference source.
The UpPTS1 that method provided in an embodiment of the present invention reports according to base station, UpPTS2, Slot1, Slot2 Noise power data on four symbols, detecting the cell in current network is gone back by channel power interference It is to be disturbed in channel, so as to further carry out step-out judgement, the final position for determining interfered cell.
The method of detection area interference provided in an embodiment of the present invention, from existing real network, according to upper The base station measurement information data of report, can position interference at crossed slot, analyze and position current network interference source, That is the frequency of interfered cell, position, and shown on map.
Embodiment two
The embodiment of the present invention provides a kind of method for detecting area interference, as shown in Fig. 2 methods described can be with Including：
Step 201, the device of detection area interference obtain each cell in selection region and interference alarm be present When base station measurement information data.
Wherein, the interference alarm includes：UpPTS interference alarm or the interference alarm of regular upstream subframe.Institute Stating base station measurement information data includes：Interference power data and threshold data, the interference power data include： Tetra- symbols of UpPTS1, UpPTS2, Slot1, Slot2, each symbol include n RB average value With n RB maximum, n is natural number.
The threshold data includes：The bottom of regular upstream subframe is made an uproar thresholding, uplink pilot time slot UpPTS bottom Make an uproar thresholding, RB number thresholdings.Three specific Action Specifications of thresholding are as follows：
WUlNIAlmThr is that the bottom of regular upstream subframe is made an uproar thresholding A, effective to slot1 and slot2.
The bottom that wUpPTSNIAlmThr is UpPTS is made an uproar thresholding A, effective to UpPTS1, UpPTS2.
UcUlNIAlmRBThr is RB number thresholdings, all effective to regular upstream subframe and UpPTS.
Specifically, interference data acquisition is by interference alarm control.Interference at crossed slot alarm has three positions： Last of GP, UpPTS and radio frames regular upstream subframe.Only in UpPTS or regular upstream Frame has interference to gather interference data when alerting.Method provided in an embodiment of the present invention need to gather 4 time dimensions Data, be two symbols on UpPTS and two time slots of last regular upstream subframe respectively, this This 4 time dimensions are referred to as 4 symbols by the method that inventive embodiments provide, as shown in Figure 3.
While the integrality of data acquisition results is ensured, in order to avoid excessive redundant samples, the present invention The method that embodiment provides is for each 100 RB of symbol acquisition average value and 100 RB maximum Value participates in the calculating that interference judges.
Step 202, the device of area interference is detected respectively according to the interference power data of each cell With the threshold data, it is determined that the interference type of each cell.
Specifically, the interference type includes：Forward direction interference and backward interference selection region can include multiple Cell, each cell determine that the method for interference type is identical according to base station measurement information data, setting first Cell is any one cell in the selection region, and explanation is according to jamming power number by taking first community as an example Interference type is determined according to the threshold data, it is described in detail below.
Specifically, the first community is determined according to the interference power data of first community and the threshold data Interference type, including：
Determine whether the first community deposits according to the first community interference power data and the threshold data Disturbing；
When it is determined that the first community has interference, according to the rolling of the interference power data of the first community Drop characteristic determines whether the first community is that band internal power disturbs；
When it is determined that the first community is band internal power interference, repetition in the first community is filtered out Interference power data, choose interference nearest apart from current time in the interference power data of the first community Power data is the first interference power data, is determined in first interference power data apart from current time most Near time slot position is the interference time slot position of the first community；
The interference type of the first community is determined according to the interference time slot position of the first community.
Wherein, the first community is determined according to the first community interference power data and the threshold data With the presence or absence of interference, including：
When the UpPTS1 of first community n RB bottom of the average value more than the UpPTS is made an uproar door RB number of limit is more than the RB numbers thresholding, or the UpPTS2 of first community n RB's is flat Make an uproar RB number of thresholding of bottom of the average more than the UpPTS is more than the RB numbers thresholding, or described first Make an uproar RB number of thresholding at the bottom that the Slot1 of cell n RB average value exceedes the regular upstream subframe It is normal more than described more than the RB numbers thresholding, or the Slot2 of first community n RB average value Make an uproar RB number of thresholding of the bottom of rule sub-frame of uplink is more than the RB numbers thresholding, determines that the first community is deposited Disturbing.
Specifically, the average value for 100 RB that can be reported according to each symbol and three doors reported Limit to judge whether cell is interfered.Made an uproar respectively with the average value of 100 RB on four symbols the bottom of with Thresholding A is compared, and counts the RB number for the thresholding A that made an uproar the bottom of more than, compared with the RB number thresholdings reported, If it does, being then judged to being interfered, interference is otherwise not present.
Wherein, determine that the first community is according to the roll-off characteristic of the interference power data of the first community No is that band internal power disturbs, and is specifically included：
It is m to set roll-off characteristic to analyze coboundary and the RB numbers of lower boundary selection, m be more than 0 certainly So number, when n is more than or equal to 15, m value is 15, and when n is less than 15, m is equal to n；
Determined respectively according to the average value of n RB of each symbol in the four of the first community symbols Each symbol coboundary and the roll-off characteristic of lower boundary；
When the coboundary of at least one symbol in four symbols of the first community or lower boundary have spy of roll-offing Property, it is that band internal power disturbs to determine the first community.
Specifically, illustrated with any one symbol in four symbols of first community, if the first symbol is Any of four symbols of first community symbol, determine roll-offing for the first symbol coboundary and lower boundary Characteristic, it can specifically include：
The average value for choosing first RB of n RB average value average value to m-th of RB is institute State the first symbol coboundary, choose the individual RB of the n-th-m+1 average value of n RB average value to n-th Individual RB average value is the first symbol lower boundary；
RB is set to select, at intervals of Δ RB, to set the first thresholding and the second thresholding；
Since m-th of RB of the first symbol coboundary average value, one is chosen every Δ RB RB average value, until choosing the average value to first RB, determine to choose at intervals of Δ RB respectively The difference of two neighboring average value be the first numerical value, respectively by first number of the first symbol coboundary Value determines that the number that first numerical value is more than first thresholding is second value compared with the first thresholding, When the second value is more than second thresholding, determine that the first symbol coboundary has roll-off characteristic；
Since n-th of RB of the first symbol lower boundary average value, a RB is chosen every Δ RB Average value, until choosing the average value to the n-th-m+1 RB, determine to choose at intervals of Δ RB respectively The difference of two neighboring average value be third value, respectively by the 3rd number of the first symbol lower boundary Value determines that the number that the third value is more than first thresholding is the 4th numerical value compared with the first thresholding, When the 4th numerical value is more than second thresholding, determine that the first symbol lower boundary has roll-off characteristic.
Specifically, judge the roll-off characteristic of each symbol up-and-down boundary, if having symbol coboundary or There is roll-off characteristic in person's lower boundary, then be judged to being disturbed by band internal power, be otherwise determined as that out-of-band power is done Disturb, the cell of out-of-band interference is not involved in follow-up step-out and judged.Band is interior or out-of-band interference is to utilize spy of roll-offing Property judged, judge a certain symbol coboundary or lower boundary with the presence or absence of rolling by the method for characteristic such as Under：
Judgement for each area interference, judged with the average value of 400 of interference power data, will The average value of 400 RB is divided into 4 groups, and each average value represents the data of a time, it is possible to understand that For 400 RB average value is divided into 4 positions according to the time location of data, each position is 20M Bandwidth, include 100 RB average value, be that 100 bottoms are made an uproar value.Judge roll-offing for each position Specificity analysis coboundary and lower boundary.Each symbol includes 100 RB of collection average value, 4 positions Corresponding four symbols, that is, judge the roll-off characteristic of four symbol up-and-down boundaries.
Configuration coboundary and lower boundary analyze the RB number thresholdings TRBNum of selection.Choose RB in coboundary For preceding TRBNum RB；It is rear TRBNum RB that lower boundary, which chooses RB,.
The RB numbers TRBNum that roll-off characteristic is chosen can configure, and be up to RB/2 numbers corresponding to bandwidth of cell, For example, 20M bandwidth, if configured to 100 RB, then first 50, latter 50.If configured to Odd number, then step back and calculated for even number.
It should be noted that n value may be referred to shown in table 1 below in the embodiment of the present invention, such as channel With a width of 20MHz, n value is 100, i.e. 100 RB.
Shown in specific algorithmic formula is described as follows：
NRBFor the RB numbers for judgement,Wherein,Represent up total RB Number.
Table 1
RBstartFor the original position of the RB for judgement,Wherein, Pos Expression currently judges low frequency (Pos=Low) or high frequency (Pos=High) interference.
Δ RB is RB gap sizes, makes Δ RB=3.
TH1=0.25dB, it is thresholding 1, i.e. the first thresholding；
For thresholding 2, i.e. the second thresholding；
ΔNI(0:LNI- 1)=NI (RBstart:RBstart+NRB-ΔRB-1)-NI(RBstart+ΔRB:RBstart+NRB-1)
Wherein, Δ NI be NI interval deltas RB difference, LNI=NRB- Δ RB=12 represents Δ NI length.
As Pos=Low, to 0 all≤i≤LNI- 1, wherein meeting Δ NI (i)>TH1 number is denoted as K, If K>TH2, then have roll-off characteristic, that is, has low frequency out-of-band interference；Otherwise, no roll-off characteristic.
As Pos=High, to 0 all≤i≤LNI- 1, wherein meeting ,-Δ NI (i)>TH1 number is denoted as K, if K>TH2, then have roll-off characteristic, that is, has high frequency out-of-band interference；Otherwise, no roll-off characteristic.
Wherein, the interference time slot position according to the first community determines the interference class of the first community Type, it can include：
Interference power data corresponding to the interference time slot position of the first community is the second interference power data；
When the first community interference time slot position second interference power data preset time slot position it Before, determine the first community to be preceding to interference；
When the first community interference time slot position second interference power data preset time slot position it Afterwards, determine the first community for backward interference.
Specifically, for the TDD system of same time slot proportion, step-out includes two kinds of situations：Advanced step-out It is with hysteresis step-out, i.e., preceding to interference and backward interference.
Step 203, detect forward direction interference and backward interference in the device statistics selection region of area interference Cell number, determine that the cell that cell number is minimum in forward direction interference and backward interference is interfered cell.
Specifically, forward direction interference and the cell number disturbed backward, any interference class in statistics selected areas The cell number that type includes is small, and these cells are interference source.
The method of detection area interference provided in an embodiment of the present invention, from existing real network, according to upper The base station measurement information data of report, can position interference at crossed slot, analyze and position current network interference source, That is the frequency of interfered cell, position, and shown on map.
Embodiment three
The embodiment of the present invention provides a kind of device 1 for detecting area interference, as shown in figure 4, described device bag Include：Acquiring unit 10, determining unit 11, wherein,
The acquiring unit 10, for obtaining base station when each cell in selection region has interference alarm Metrical information data, the base station measurement information data include：Interference power data and threshold data；
The determining unit 11, respectively according to the interference power data of each cell and the threshold number According to it is determined that the interference type of each cell, the interference type includes：Forward direction is disturbed and done backward Disturb；It is additionally operable to determine interfered cell according to forward direction interference in the selection region and the cell number disturbed backward.
Further, the determining unit 11, specifically for according to the first community interference power data and The threshold data determines the first community with the presence or absence of interference；It is additionally operable to when the determination first community is deposited In interference, determine that the first community is according to the roll-off characteristic of the interference power data of the first community No is that band internal power disturbs；It is additionally operable to when it is determined that the first community is band internal power interference, filter out institute The interference power data of the repetition in first community is stated, chooses the interference power data middle-range of the first community The interference power data nearest from current time is the first interference power data, determines first jamming power The time slot position nearest apart from current time is the interference time slot position of the first community in data；It is additionally operable to The interference type of the first community is determined according to the interference time slot position of the first community.
Further, the threshold data includes：The bottom of regular upstream subframe is made an uproar thresholding, uplink pilot time slot UpPTS bottom is made an uproar thresholding, RB number thresholdings；
The interference power data includes：Tetra- symbols of UpPTS1, UpPTS2, Slot1, Slot2, it is each Individual symbol includes n RB average value and n RB maximum, and n is natural number.
Further, the determining unit 11, specifically for n of the UpPTS1 when the first community Make an uproar RB number of thresholding of bottom of the RB average value more than the UpPTS is more than the RB numbers thresholding, or institute The bottom of the UpPTS2 of first community n RB average value more than the UpPTS is stated to make an uproar the RB of thresholding Number is more than the RB numbers thresholding, or the Slot1 of first community n RB average value exceedes institute The make an uproar RB number of thresholding of bottom for stating regular upstream subframe is more than the RB numbers thresholding, or the first community Slot2 n RB average value exceed the make an uproar RB number of thresholding of bottom of the regular upstream subframe and be more than The RB numbers thresholding, determine that the first community has interference.
Further, the determining unit 11, specifically for setting roll-off characteristic to analyze coboundary and lower boundary The RB numbers of selection are m, and m is the natural number more than 0, and when n is more than or equal to 15, m value is 15, when n is less than 15, m is equal to n；For respectively according to each in the four of the first community symbols N RB of individual symbol average value determines the roll-off characteristic of each symbol coboundary and lower boundary；For When in four symbols of the first community there is roll-off characteristic in the coboundary of at least one symbol or lower boundary, It is that band internal power disturbs to determine the first community.
Further, the first symbol is any of four symbols symbol of the first community, the determination Unit 11, first RB of the average value specifically for choosing n RB average value is to m-th of RB Average value be the first symbol coboundary, choose the individual RB's of the n-th-m+1 of n RB average value Average value to n-th of RB average value are the first symbol lower boundary；For setting RB selections interval For Δ RB, the first thresholding and the second thresholding are set；For m-th of RB from the first symbol coboundary Average value start, every Δ RB choose a RB average value, until choose arrive first RB Average value, determine that it be the first numerical value to choose at intervals of the difference of Δ RB two neighboring average value, is distinguished respectively By first numerical value of the first symbol coboundary compared with the first thresholding, determine that first numerical value is big In the number of first thresholding be second value, when the second value is more than second thresholding, really Roll-off characteristic be present in the fixed first symbol coboundary；For n-th of RB from the first symbol lower boundary Average value start, RB average value is chosen every Δ RB, until choosing to the n-th-m+1 RB average value, determination selection respectively is third value at intervals of the difference of Δ RB two neighboring average value, Respectively by the third value of the first symbol lower boundary compared with the first thresholding, the 3rd number is determined Value is the 4th numerical value more than the number of first thresholding, when the 4th numerical value is more than second thresholding, Determine that the first symbol lower boundary has roll-off characteristic.
Further, interference power data corresponding to the interference time slot position of the first community is the second interference Power data；The determining unit 11, interference time slot position when the first community is additionally operable to described the Before two interference power datas preset time slot position, determine the first community to be preceding to interference；It is additionally operable to work as The interference time slot position of the first community is after second interference power data presets time slot position, really The fixed first community is backward interference.
Further, as shown in figure 5, described device also includes：Statistic unit 12, for counting the choosing Select the cell number that forward direction is disturbed and disturbed backward in region；
The determining unit 11, it is additionally operable to determine that cell number in the forward direction interference and backward interference is minimum Cell is interfered cell.
Further, the interference alarm includes：UpPTS interference alarm or the interference alarm of regular upstream subframe.
Specifically, the understanding of the device of detection area interference provided in an embodiment of the present invention may be referred to embodiment One and embodiment two detection area interference method explanation, the embodiment of the present invention will not be repeated here.
The device of detection area interference provided in an embodiment of the present invention, from existing real network, according to upper The base station measurement information data of report, can position interference at crossed slot, analyze and position current network interference source, That is the frequency of interfered cell, position, and shown on map.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or meter Calculation machine program product.Therefore, the present invention can use hardware embodiment, software implementation or combine software and The form of the embodiment of hardware aspect.Moreover, the present invention can use wherein includes calculating in one or more The computer-usable storage medium of machine usable program code (includes but is not limited to magnetic disk storage and optical storage Device etc.) on the form of computer program product implemented.
The present invention is with reference to method according to embodiments of the present invention, equipment (system) and computer program product Flow chart and/or block diagram describe.It should be understood that can be by computer program instructions implementation process figure and/or side Each flow and/or square frame in block diagram and flow and/or the knot of square frame in flow chart and/or block diagram Close.Can provide these computer program instructions to all-purpose computer, special-purpose computer, Embedded Processor or The processor of other programmable data processing devices is to produce a machine so that by computer or other can The instruction of the computing device of programming data processing equipment is produced for realizing in one flow or multiple of flow chart The device for the function of being specified in one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices In the computer-readable memory to work in a specific way so that be stored in the computer-readable memory Instruction produces the manufacture for including command device, and the command device is realized in one flow of flow chart or multiple streams The function of being specified in one square frame of journey and/or block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices, made Obtain and series of operation steps is performed on computer or other programmable devices to produce computer implemented place Reason, so as to which the instruction that is performed on computer or other programmable devices is provided for realizing in flow chart one The step of function of being specified in flow or multiple flows and/or one square frame of block diagram or multiple square frames.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the protection model of the present invention Enclose.

Claims (18)

  1. A kind of 1. method for detecting area interference, it is characterised in that methods described includes：
    Obtain base station measurement information data when each cell in selection region has interference alarm, the base Metrical information of standing data include：Interference power data and threshold data；
    Respectively according to the interference power data of each cell and the threshold data, determine described each The interference type of individual cell, the interference type include：Forward direction disturbs and backward interference；
    Interfered cell is determined according to forward direction interference in the selection region and the cell number disturbed backward.
  2. 2. according to the method for claim 1, it is characterised in that first community is in the selection region Any one cell, according to determining the interference power data of the first community and the threshold data The interference type of first community, including：
    Determine whether the first community deposits according to the first community interference power data and the threshold data Disturbing；
    When it is determined that the first community has interference, according to the rolling of the interference power data of the first community Drop characteristic determines whether the first community is that band internal power disturbs；
    When it is determined that the first community is band internal power interference, repetition in the first community is filtered out Interference power data, choose interference nearest apart from current time in the interference power data of the first community Power data is the first interference power data, is determined in first interference power data apart from current time most Near time slot position is the interference time slot position of the first community；
    The interference type of the first community is determined according to the interference time slot position of the first community.
  3. 3. method according to claim 1 or 2, it is characterised in that
    The threshold data includes：The bottom of regular upstream subframe is made an uproar thresholding, uplink pilot time slot UpPTS bottom Make an uproar thresholding, RB number thresholdings；
    The interference power data includes：UpPTS1, UpPTS2, time slot 1Slot1, time slot 2Sl,ot2 tetra- Individual symbol, each symbol include n RB average value and n RB maximum, and n is natural number.
  4. 4. according to the method for claim 3, it is characterised in that described to be disturbed according to the first community Power data and the threshold data determine the first community with the presence or absence of interference, including：
    When the UpPTS1 of first community n RB bottom of the average value more than the UpPTS is made an uproar door RB number of limit is more than the RB numbers thresholding, or the UpPTS2 of first community n RB's is flat Make an uproar RB number of thresholding of bottom of the average more than the UpPTS is more than the RB numbers thresholding, or described first Make an uproar RB number of thresholding at the bottom that the Slot1 of cell n RB average value exceedes the regular upstream subframe It is normal more than described more than the RB numbers thresholding, or the Slot2 of first community n RB average value Make an uproar RB number of thresholding of the bottom of rule sub-frame of uplink is more than the RB numbers thresholding, determines that the first community is deposited Disturbing.
  5. 5. according to the method for claim 3, it is characterised in that described according to the dry of the first community The roll-off characteristic for disturbing power data determines whether the first community is that band internal power disturbs, including：
    It is m to set roll-off characteristic to analyze coboundary and the RB numbers of lower boundary selection, m be more than 0 certainly So number, when n is more than or equal to 15, m value is 15, and when n is less than 15, m is equal to n；
    Determined respectively according to the average value of n RB of each symbol in the four of the first community symbols Each symbol coboundary and the roll-off characteristic of lower boundary；
    When the coboundary of at least one symbol in four symbols of the first community or lower boundary have spy of roll-offing Property, it is that band internal power disturbs to determine the first community.
  6. 6. according to the method for claim 5, it is characterised in that the first symbol is the first community Any of four symbols symbol, the roll-off characteristic of the first symbol coboundary and lower boundary is determined, including：
    The average value for choosing first RB of n RB average value average value to m-th of RB is institute State the first symbol coboundary, choose the individual RB of the n-th-m+1 average value of n RB average value to n-th Individual RB average value is the first symbol lower boundary；
    RB is set to select, at intervals of Δ RB, to set the first thresholding and the second thresholding；
    Since m-th of RB of the first symbol coboundary average value, one is chosen every Δ RB RB average value, until choosing the average value to first RB, determine to choose at intervals of Δ RB respectively The difference of two neighboring average value be the first numerical value, respectively by first number of the first symbol coboundary Value determines that the number that first numerical value is more than first thresholding is second value compared with the first thresholding, When the second value is more than second thresholding, determine that the first symbol coboundary has roll-off characteristic；
    Since n-th of RB of the first symbol lower boundary average value, a RB is chosen every Δ RB Average value, until choosing the average value to the n-th-m+1 RB, determine to choose at intervals of Δ RB respectively The difference of two neighboring average value be third value, respectively by the 3rd number of the first symbol lower boundary Value determines that the number that the third value is more than first thresholding is the 4th numerical value compared with the first thresholding, When the 4th numerical value is more than second thresholding, determine that the first symbol lower boundary has roll-off characteristic.
  7. 7. according to the method for claim 2, it is characterised in that described according to the dry of the first community The interference type that time slot position determines the first community is disturbed, including：
    Interference power data corresponding to the interference time slot position of the first community is the second interference power data；
    When the first community interference time slot position second interference power data preset time slot position it Before, determine the first community to be preceding to interference；
    When the first community interference time slot position second interference power data preset time slot position it Afterwards, determine the first community for backward interference.
  8. 8. according to the method for claim 7, it is characterised in that described according to before in the selection region Interfered cell is determined to interference and the cell number disturbed backward, including：
    The cell number that forward direction is disturbed and disturbed backward in the selection region is counted, determines the forward direction interference Minimum cell is interfered cell with cell number in backward interference.
  9. 9. according to the method for claim 1, it is characterised in that the interference alarm includes：UpPTS Interference alarm or the interference alarm of regular upstream subframe.
  10. 10. a kind of device for detecting area interference, it is characterised in that described device includes：Acquiring unit, Determining unit, wherein,
    The acquiring unit, surveyed for obtaining base station when each cell in selection region has interference alarm Information data is measured, the base station measurement information data includes：Interference power data and threshold data；
    The determining unit, for respectively according to the interference power data of each cell and the thresholding Data, it is determined that the interference type of each cell, the interference type includes：Forward direction disturbs and backward Interference；It is additionally operable to determine that interference is small according to forward direction interference in the selection region and the cell number disturbed backward Area.
  11. 11. device according to claim 10, it is characterised in that the determining unit, be specifically used for Determine the first community with the presence or absence of dry according to the first community interference power data and the threshold data Disturb；It is additionally operable to when it is determined that the first community has interference, according to the jamming power number of the first community According to roll-off characteristic determine the first community whether be band internal power disturb；It is additionally operable to when determination described first When cell is band internal power interference, the interference power data of the repetition in the first community is filtered out, is chosen The interference power data nearest apart from current time is the first interference in the interference power data of the first community Power data, it is described to determine time slot position nearest apart from current time in first interference power data The interference time slot position of first community；It is additionally operable to according to determining the interference time slot position of the first community The interference type of first community.
  12. 12. the device according to claim 10 or 11, it is characterised in that
    The threshold data includes：The bottom of regular upstream subframe is made an uproar thresholding, uplink pilot time slot UpPTS bottom Make an uproar thresholding, RB number thresholdings；
    The interference power data includes：Tetra- symbols of UpPTS1, UpPTS2, Slot1, Slot2, it is each Individual symbol includes n RB average value and n RB maximum, and n is natural number.
  13. 13. device according to claim 12, it is characterised in that the determining unit, be specifically used for When the UpPTS1 of first community n RB bottom of the average value more than the UpPTS is made an uproar thresholding RB number is more than the RB numbers thresholding, or the UpPTS2 of first community n RB average value Make an uproar RB number of thresholding of bottom more than the UpPTS is more than the RB numbers thresholding, or the first community Slot1 n RB average value exceed the make an uproar RB number of thresholding of bottom of the regular upstream subframe and be more than The RB numbers thresholding, or the Slot2 of first community n RB average value exceed it is described conventionally Make an uproar RB number of thresholding of the bottom of row subframe is more than the RB numbers thresholding, and it is dry to determine that the first community is present Disturb.
  14. 14. device according to claim 12, it is characterised in that the determining unit, be specifically used for It is m to set roll-off characteristic to analyze coboundary and the RB numbers of lower boundary selection, and m is the natural number more than 0, When n is more than or equal to 15, m value is 15, and when n is less than 15, m is equal to n；For basis respectively N RB of each symbol average value is determined on each symbol in four symbols of the first community Border and the roll-off characteristic of lower boundary；For when at least one symbol in four symbols of the first community There is roll-off characteristic in coboundary or lower boundary, it is that band internal power disturbs to determine the first community.
  15. 15. device according to claim 14, it is characterised in that the first symbol is the first community Any of four symbols symbol, the determining unit, the average value specifically for choosing n RB First RB average value to m-th of RB average value are the first symbol coboundary, choose n N-th-m+1 RB of RB average value average value to n-th of RB average value are first symbol Lower boundary；For setting RB selections to set the first thresholding and the second thresholding at intervals of Δ RB；For from institute The average value for stating m-th of RB of the first symbol coboundary starts, every being averaged for Δ RB one RB of selection Value, until choosing the average value to first RB, determine to choose at intervals of adjacent the two of Δ RB respectively The difference of individual average value is the first numerical value, respectively by first numerical value of the first symbol coboundary and first Thresholding compares, and determines that the number that first numerical value is more than first thresholding is second value, when described the When two numerical value are more than second thresholding, determine that the first symbol coboundary has roll-off characteristic；For from N-th of RB of the first symbol lower boundary average value starts, every the flat of one RB of Δ RB selections Average, until choosing the average value to the n-th-m+1 RB, determine to choose at intervals of Δ RB's respectively The difference of two neighboring average value is third value, respectively by the third value of the first symbol lower boundary Compared with the first thresholding, determine that the number that the third value is more than first thresholding is the 4th numerical value, when When 4th numerical value is more than second thresholding, determine that the first symbol lower boundary has roll-off characteristic.
  16. 16. device according to claim 11, it is characterised in that the interference time slot of the first community The interference power data of position correspondence is the second interference power data；The determining unit, it is additionally operable to when described The interference time slot position of first community determines institute before second interference power data presets time slot position First community is stated to be preceding to interference；It is additionally operable to when the interference time slot position of the first community is dry described second After disturbing the default time slot position of power data, determine the first community for backward interference.
  17. 17. device according to claim 16, it is characterised in that described device also includes：Statistics is single Member, for counting forward direction interference and the cell number disturbed backward in the selection region；
    The determining unit, it is additionally operable to determine minimum small of cell number in the forward direction interference and backward interference Area is interfered cell.
  18. 18. device according to claim 10, it is characterised in that the interference alarm includes：UpPTS Interference alarm or the interference alarm of regular upstream subframe.
CN201610356338.XA 2016-05-25 2016-05-25 A kind of method and apparatus for detecting area interference Pending CN107438255A (en)

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PCT/CN2017/074970 WO2017202092A1 (en) 2016-05-25 2017-02-27 Cell interference detection method and device, and storage medium

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CN101784069A (en) * 2009-01-15 2010-07-21 三星电子株式会社 Interference monitoring method
US9516657B2 (en) * 2011-04-01 2016-12-06 Interdigital Patent Holdings, Inc. Controlling inter-cell interference in forward access channel (Cell—FACH) state
US9167451B2 (en) * 2013-01-02 2015-10-20 Lg Electronics Inc. Method and apparatus for measuring interference in wireless communication system
CN104219724A (en) * 2013-05-31 2014-12-17 中兴通讯股份有限公司 Method and node for interference measurement by cooperation among cells

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