CN106686625A - Method base station for detecting adjacent region interference and - Google Patents
Method base station for detecting adjacent region interference and Download PDFInfo
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- CN106686625A CN106686625A CN201611085271.7A CN201611085271A CN106686625A CN 106686625 A CN106686625 A CN 106686625A CN 201611085271 A CN201611085271 A CN 201611085271A CN 106686625 A CN106686625 A CN 106686625A
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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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
- H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
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Abstract
An embodiment of the invention discloses a method and base station for detecting adjacent region interference which can deducing adjacent region interference condition of a user equipment in a measurement moment. The method provided by the invention includes that the base station obtains time frequency resource utilization rate of each sending time interval of each adjacent region of the user equipment in preset time, the preset time includes measurement periods of at least two user equipments and the ending moment of the preset time is a report moment of a latest report channel quality indication of the user equipment; if the time frequency resource utilization rate meets a first preset rule, the base station determines that the user equipment is free of the adjacent region interference at the measurement moment corresponding to the latest report channel quality indication of the user equipment; if the time frequency resource utilization rate meets a second preset rule, the base station determines that the user equipment suffers the adjacent region interference at the measurement moment corresponding to the latest report channel quality indication of the user equipment.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of method and the base station of detection adjacent area interference.
Background technology
In Long Term Evolution (English full name：Long Term Evolution, english abbreviation：LTE) in commercial system, service
Cell utilizes user equipment (English full name：User Equipment, english abbreviation：UE the channel quality for) reporting indicates (English
Full name：Channel Quality Indicator, english abbreviation：CQI), that is, the Signal to Interference plus Noise Ratio at measurement moment (English is complete
Claim：Signal to Interference plus Noise Ratio, english abbreviation：SINR) weighing UE in current scheduling
The SINR at quarter, generates corresponding modulation coding mode (English full name：Modulation and Coding Scheme, English contracting
Write：MCS), it is UE distribution time/frequency source block (English full name and using MCS as input：Resource Block, english abbreviation：
RB), this process is referred to as the scheduling of cell.If the SINR at measurement moment is more matched with the SINR of true demodulation, UE exists
The MCS that scheduling instance is used can be more appropriate, then the data transmission efficiency of UE is high, if matching degree is not high, then UE's
Efficiency of transmission is low.
In existing scheme, in order to UE is more appropriate in the MCS that scheduling instance is used, outer shroud adjustment amount is introduced to during measurement
The CQI at quarter is modified, to reach the purpose that revised scheduling MCS is matched with demodulation Signal to Interference plus Noise Ratio SINR.
However, there is substantially fluctuation with the time in the interference that is subject to of UE, and in system major part UE scheduling times it is little, institute
Convergence is difficult with the outer shroud adjustment amount of usual UE.
The content of the invention
The problem that the present invention is difficult to restrain for the outer shroud adjustment amount of UE, it is proposed that a kind of solution, i.e., to measuring MCS
Carry out conversion and generate scheduling MCS, the foundation of conversion is the disturbed condition of the adjacent area being subject to according to UE measurements and scheduling instance, generally
The adjacent area disturbed condition that the measurement moment and the moment for UE is subject to, Serving cell is unknown, and thus the present invention is devised
A kind of method of detection adjacent area interference.
In view of this, the method that the first aspect of the embodiment of the present invention provides a kind of interference of detection adjacent area, it may include：Base
Stand and obtain the running time-frequency resource utilization rate of each transmission time interval of the target adjacent area of user equipment in preset time；Specifically, often
Each cell of individual base station can first distinguish the running time-frequency resource utilization rate of each transmission time interval of minute book cell, then base station
Extract the running time-frequency resource utilization rate of each transmission time interval of the target adjacent area of user equipment in preset time；Above-mentioned preset time
Including the measure the cycle of at least two user equipmenies, such as preset time can be, but not limited to include the measurement of 4 user equipmenies
Cycle, the finish time of preset time reports the moment for what the newest reporting channel quality of user equipment was indicated.Base station is when obtaining
After frequency resource utilization, base station can determine that above-mentioned newest reporting channel quality is indicated according to the running time-frequency resource utilization rate for getting
The adjacent area disturbance regime at corresponding measurement moment, i.e.,：If base station determines that running time-frequency resource utilization rate meets the first preset rules, base
Determination user equipment of standing indicates that the corresponding measurement moment is not affected by the interference of target adjacent area in newest reporting channel quality；If base station is true
Timing frequency resource utilization meets the second preset rules, then base station determines that user equipment indicates correspondence in newest reporting channel quality
The measurement moment by target adjacent area disturb.It can be seen that, reported in a period of time before the moment by acquisition, the target adjacent area of UE
Each transmission time interval running time-frequency resource utilization rate, accordingly calculate UE measurement the moment target adjacent area disturbed condition, adopt
Each adjacent area disturbed conditions of the UE at the measurement moment is obtained with similar approach, to provide survey in the MCS conversions of scheduling instance for UE
Amount benchmark, i.e., reach the purpose that revised scheduling MCS is matched with demodulation SINR according to adjacent area disturbed condition, improves UE scheduling
The accuracy of MCS.
In some possible implementations, base station judges whether the running time-frequency resource utilization rate of each transmission time interval begins
The first pre-determined threshold (low threshold) is less than eventually；If so, then base station thinks that running time-frequency resource utilization rate meets the first preset rules, so as to
Base station determines that UE indicates that the corresponding measurement moment is not affected by adjacent area interference in newest reporting channel quality.If it is not, base station judges every
Whether the running time-frequency resource utilization rate of individual transmission time interval is consistently greater than the second pre-determined threshold (high threshold)；If so, then base station is recognized
The second preset rules are met for running time-frequency resource utilization rate, so as to base station determines that UE indicates corresponding survey in newest reporting channel quality
The amount moment is disturbed by adjacent area.
In other possible implementations, the running time-frequency resource utilization rate of each transmission time interval is asked equal by base station
Whether value, base station judges average less than the 3rd pre-determined threshold (low threshold)；If so, then base station thinks that running time-frequency resource utilization rate meets
First preset rules, so as to base station determines that UE indicates that the corresponding measurement moment is not affected by adjacent area and does in newest reporting channel quality
Disturb；If it is not, whether base station judges average more than the 4th pre-determined threshold (high threshold)；If so, then base station thinks that running time-frequency resource is utilized
Rate meets the second preset rules, so as to base station determines that UE indicates that the corresponding measurement moment is subject to adjacent area in newest reporting channel quality
Interference.
In other possible implementations, if base station detects the cell reference letter of the Serving cell of user equipment
Number (first community reference signal) collides with the cell reference signals (second community reference signal) of target adjacent area, then base station
Think that user equipment is disturbed at the measurement moment by target adjacent area.
In other possible implementations, if base station detects the time/frequency source block of the Serving cell of user equipment
Second community reference is carried in the middle resource particle position for carrying first community reference signal and the time/frequency source block of target adjacent area
The resource particle position of signal is identical, then base station determines cell reference signals (the first community ginseng of the Serving cell of user equipment
Examine signal) collide with the cell reference signals (second community reference signal) of target adjacent area, so as to base station thinks that user sets
It is standby to be disturbed by target adjacent area at the measurement moment.
The second aspect of the embodiment of the present invention provides a kind of base station, and the base station is configured to realize above-mentioned first aspect or the
On the one hand the function of the method that arbitrary optional implementation is provided, is realized by software, and its software includes and above-mentioned functions phase
The module answered, module corresponding with above-mentioned functions can include acquisition module, the first determining module, the acquisition module and first true
Cover half block is communicated to connect, and acquisition module is used to realize the function of corresponding acquisition that the first determining module to be used to realize what is mutually should determine that
Function.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：Before the moment being reported by acquisition
A period of time in, the running time-frequency resource utilization rate of each transmission time interval of the target adjacent area of UE, accordingly calculate UE measurement
The target adjacent area disturbed condition that moment is subject to, using similar approach each adjacent area disturbed conditions of the UE at the measurement moment is obtained, so as to
Measuring basis is provided in the MCS conversions of scheduling instance for UE, i.e., revised scheduling MCS is reached with solution according to adjacent area disturbed condition
The purpose of SINR matchings is adjusted, the accuracy that UE dispatches MCS is improved.
Description of the drawings
Fig. 1 is LTE commercial system Organization Charts in the embodiment of the present invention；
Fig. 2 is method one embodiment schematic diagram that adjacent area interference is detected in the embodiment of the present invention；
Fig. 3 is base station one embodiment schematic diagram in the embodiment of the present invention；
Fig. 4 is another embodiment schematic diagram of base station in the embodiment of the present invention；
Fig. 5 is another embodiment schematic diagram of base station in the embodiment of the present invention；
Fig. 6 is another embodiment schematic diagram of base station in the embodiment of the present invention.
Specific embodiment
Method and the base station of a kind of interference of detection adjacent area are embodiments provided, can deduce the UE measurement moment receives
The adjacent area disturbed condition for arriving.
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, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.
Term " first ", " second ", " the 3rd " in description and claims of this specification and above-mentioned accompanying drawing, "
Four " etc. (if present) is the object for distinguishing similar, without for describing specific order or precedence.Should manage
The data that solution is so used can be exchanged in the appropriate case, so that the embodiments described herein can be with except illustrating here
Or the order beyond the content of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that
Covering is non-exclusive to be included, and for example, containing process, method, system, product or the equipment of series of steps or unit need not limit
In those steps or unit for clearly listing, but may include clearly not list or for these processes, method, product
Other intrinsic steps of product or equipment or unit.
The LTE commercial systems in the present invention are illustrated below, refers to Fig. 1, the invention provides a kind of LTE is commercial
System architecture diagram, LTE commercial systems are divided into two network elements, evolution block core net (English full name：Evolved Packet
Core, english abbreviation：) and evolution base station (English full name EPC：Evolved Node B, english abbreviation：eNode B).EPC bears
Duty core network part, mobile management entity (English full name：Mobility Management Entity, english abbreviation：MME) it is
Signaling process part, gateway (English full name：Serving Gateway, english abbreviation：SGW) it is data processing section.
ENode B are responsible for accessing mesh portions, the UTRAN (E-UTRAN) of also referred to as evolution.
In existing scheme, in order to UE is more appropriate in the MCS that scheduling instance is used, outer shroud adjustment amount is introduced to during measurement
The CQI at quarter is modified, to reach the purpose that revised scheduling MCS is matched with the Signal to Interference plus Noise Ratio of demodulation.
However, the interference that UE is subject to has substantially fluctuation with the time, and the scheduling times of UE are generally less, so outer shroud
Adjustment amount be difficult convergence, only by the amendment of outer shroud adjustment amount measure the moment CQI obtained by scheduling MCS still with demodulation SINR
Mismatch.
In order to improve the accuracy that UE dispatches MCS, it is considered to which the CQI that UE measurements are obtained is converted, generally convert according to
According to the difference for being the adjacent area interference that UE is subject in the adjacent area interference that the measurement moment is subject to scheduling instance, that is, present invention employs one
Kind of method is understanding the adjacent area disturbance state information that UE is subject at the measurement moment.
Because in LTE commercial systems, the measurement moment Serving cell of UE is unknown, in order to know UE at the measurement moment
The adjacent area disturbance state information being subject to, the present invention is speculated by reverse drawing time window.
The method of the detection adjacent area interference in the embodiment of the present invention is illustrated below by specific embodiment, is referred to
Fig. 2, method one embodiment of adjacent area interference is detected in the embodiment of the present invention to be included：
101st, base station obtains the running time-frequency resource profit of each transmission time interval of the target adjacent area of user equipment in preset time
With rate；
In the present embodiment, each cell of each base station can first distinguish minute book cell each transmission time interval when
Frequency resource utilization, then the time-frequency of each transmission time interval of the target adjacent area of user equipment is provided in base station extraction preset time
Source utilization rate.
Wherein, measure the cycle of the preset time comprising at least two user equipmenies, such as preset time can be, but not limited to
Including the measure the cycle of 4 user equipmenies, the finish time of preset time is that the newest reporting channel quality of user equipment is indicated
Report the moment.It should be understood that user equipment can be measured periodically after networking, the start time and finish time of preset time it
Between comprising at least two user equipmenies measure the cycle.
In some possible implementations, base station can be from the user equipment newest moment for reporting CQI, along the time
Axle back delimit a time window, and time window is sufficiently large, in the hope of newest reporting channel quality being indicated into corresponding measurement
Including moment covers, so as to will the measurement moment to reporting moment, each transmission time interval (English full name of each adjacent area：
Transmission Time Interval, english abbreviation：TTI) all include.
It should be understood that in actual applications, each Cell statistical is from the time/frequency source block (English in each transmission time interval
Literary full name：Resource Block, english abbreviation：RB) utilization rate, and give each adjacent area by the RB utilization rates interaction for counting on.
It should be noted that the present embodiment is illustrated with target adjacent area, in actual applications, base station can obtain preset
The running time-frequency resource utilization rate of each each transmission time interval of adjacent area of user equipment in time, the method for being adopted and step 101
Similar, here is omitted.Each adjacent area of user equipment can be adjacent area in station, or adjacent area between standing, between different base station
The interaction of various information can be carried out.
If the 102, running time-frequency resource utilization rate meets the first preset rules, base station determines user equipment in newest reporting channel
Quality indicates that the corresponding measurement moment is not affected by the interference of target adjacent area；
In the present embodiment, in base station obtains preset time during each transmission time interval of the target adjacent area of user equipment
After frequency resource utilization, base station judges whether the running time-frequency resource utilization rate of each transmission time interval in preset time meets first
Preset rules, if meeting, base station determines that user equipment indicates that the corresponding measurement moment is not affected by newest reporting channel quality
Disturb target adjacent area.
If the 103, running time-frequency resource utilization rate meets the second preset rules, base station determines user equipment in newest reporting channel
Quality indicates that the corresponding measurement moment is disturbed by target adjacent area.
In the present embodiment, in base station obtains preset time during each transmission time interval of the target adjacent area of user equipment
After frequency resource utilization, base station judges whether the running time-frequency resource utilization rate of each transmission time interval in preset time meets second
Preset rules, if meeting, base station determines that user equipment indicates that the corresponding measurement moment is subject to mesh in newest reporting channel quality
The interference of mark adjacent area.
Wherein, be not carried out sequencing between step 102 and step 103, step 102 can before step 103,
Step 102 can also herein be not construed as limiting after step 103.
It is appreciated that using similar approach, base station can determine that user equipment indicates correspondence in newest reporting channel quality
The disturbance state of each adjacent area that is subject to of measurement moment.
In the present embodiment, reported in a period of time before the moment by acquisition, during each transmission of the target adjacent area of UE
Between the running time-frequency resource utilization rate that is spaced, UE is calculated accordingly in the measurement target adjacent area disturbed condition that is subject to of moment, using similar side
Method obtains each adjacent area disturbed condition that UE is subject at the measurement moment, to provide measurement base in the MCS conversions of scheduling instance for UE
Standard, i.e., reach the purpose that revised scheduling MCS is matched with the Signal to Interference plus Noise Ratio of demodulation according to adjacent area disturbed condition, improves UE scheduling
The accuracy of MCS.
On the basis of above-mentioned embodiment illustrated in fig. 2, in some embodiments of the invention, above-mentioned base station determines that user sets
It is standby to include before newest reporting channel quality indicates that the corresponding measurement moment is not affected by the interference of target adjacent area：
Whether base station judges running time-frequency resource utilization rate less than the first pre-determined threshold；If so, base station determines that running time-frequency resource is utilized
Rate meets the first preset rules；If it is not, i.e. base station determines that running time-frequency resource utilization rate is unsatisfactory for the first preset rules, then base station judges
Whether running time-frequency resource utilization rate is more than the second pre-determined threshold；If so, then base station determines that running time-frequency resource utilization rate meets second and presets
Rule.
In the present embodiment, if to be consistently lower than first pre- for the RB utilization rates of each transmission time interval in preset time
Gating is limited, such as and 20%, it is believed that at the measurement moment, the running time-frequency resource utilization rate of the target adjacent area of user equipment is also necessarily low
In the first pre-determined threshold；If the RB utilization rates of each transmission time interval in preset time are consistently greater than the second pre- gating
Limit, such as 80%, it is believed that at the measurement moment, the running time-frequency resource utilization rate of the target adjacent area of user equipment is also naturally larger than the
Two pre-determined thresholds.
Obviously, if at the measurement moment, the running time-frequency resource utilization rate of the target adjacent area of user equipment is less than the first pre- gating
Limit, then base station determines that user equipment is not affected by the interference of target adjacent area at the measurement moment；If in measurement moment, the mesh of user equipment
The running time-frequency resource utilization rate of mark adjacent area is more than the second pre-determined threshold, then base station determines that user equipment is dry by adjacent area at the measurement moment
Disturb.
In the present embodiment, acquisition is reported in a period of time before the moment, between each transmission time of the target adjacent area of UE
Every running time-frequency resource utilization rate, UE is calculated accordingly in the measurement target adjacent area disturbed condition that is subject to of moment, if each time-frequency money
Source utilization rate is below the first pre-determined threshold, then it is assumed that user equipment is not disturbed by target adjacent area；If each running time-frequency resource
Utilization rate is above the second pre-determined threshold, then it is assumed that user equipment is disturbed by target adjacent area.
On the basis of above-mentioned embodiment illustrated in fig. 2, in some embodiments of the invention, above-mentioned base station determines that user sets
It is standby to include before newest reporting channel quality indicates that the corresponding measurement moment is not affected by the interference of target adjacent area：
Base station determines the mean value of running time-frequency resource utilization rate；
Whether base station judges mean value less than the 3rd pre-determined threshold；If so, then base station determines that running time-frequency resource utilization rate meets
First preset rules；If it is not, i.e. base station determines that running time-frequency resource utilization rate is unsatisfactory for the first preset rules, then base station judges mean value
Whether the 4th pre-determined threshold is more than；If so, then base station determines that running time-frequency resource utilization rate meets the second preset rules.
In the present embodiment, if the average RB utilization rates of each transmission time interval in preset time are pre- less than the 3rd
Gating is limited, such as and 20% or 30%, it is believed that in measurement moment, the running time-frequency resource utilization rate of the target adjacent area of user equipment
It is inevitably less than the 3rd pre-determined threshold；If the average RB utilization rates of each transmission time interval in preset time are more than the 4th
Pre-determined threshold, such as 70% or 80%, it is believed that in measurement moment, the running time-frequency resource utilization rate of the target adjacent area of user equipment
Also it is naturally larger than the 4th pre-determined threshold.
Obviously, if at the measurement moment, the running time-frequency resource utilization rate of the target adjacent area of user equipment is less than the 3rd pre- gating
Limit, then base station determines that user equipment is not affected by the interference of target adjacent area at the measurement moment；If in measurement moment, the mesh of user equipment
The running time-frequency resource utilization rate of mark adjacent area is more than the 4th pre-determined threshold, then base station determines that user equipment is subject to target adjacent at the measurement moment
Disturb in area.
In the present embodiment, acquisition is reported in a period of time before the moment, between each transmission time of the target adjacent area of UE
Every average time-frequency resource utilization, UE is calculated accordingly in the measurement target adjacent area disturbed condition that is subject to of moment, if mean time
Frequency resource utilization is less than the 3rd pre-determined threshold, then it is assumed that user equipment is not disturbed by target adjacent area；If average time-frequency money
Source utilization rate is higher than the 4th pre-determined threshold, then it is assumed that user equipment is disturbed by target adjacent area.
On the basis of above-mentioned embodiment illustrated in fig. 2, in some embodiments of the invention, also include：
If base station detects the first community reference signal of the Serving cell of user equipment and the second community of target adjacent area
Reference signal collides, then base station determines that user equipment is disturbed at the measurement moment by target adjacent area.
Further, above-mentioned base station determines that user equipment included before the measurement moment is subject to the interference of target adjacent area：
If base station detects the money that first community reference signal is carried in the time/frequency source block of the Serving cell of user equipment
Source particle position is identical with the resource particle position that second community reference signal is carried in the time/frequency source block of target adjacent area, then base
Stand and determine that the first community reference signal of Serving cell of user equipment is touched with the second community reference signal of target adjacent area
Hit.
In the present embodiment, determine whether user equipment is subject at the measurement moment by the collision detection of cell reference signals
Target adjacent area is disturbed, further perfect technical scheme.
The method that the detection adjacent area interference in the embodiment of the present invention is described above with embodiment, below by embodiment
Introduce the base station in the embodiment of the present invention.
Fig. 3 is referred to, one embodiment of base station includes in the embodiment of the present invention：
Acquisition module 201, for obtaining preset time in each transmission time interval of the target adjacent area of user equipment when
Frequency resource utilization, measure the cycle of the preset time comprising at least two user equipmenies, the finish time of preset time is user
What the newest reporting channel quality of equipment was indicated reports the moment；
First determining module 202, if meeting the first preset rules for running time-frequency resource utilization rate, it is determined that user equipment exists
Newest reporting channel quality indicates that the corresponding measurement moment is not affected by the interference of target adjacent area；If running time-frequency resource utilization rate meets second
Preset rules, it is determined that user equipment indicates that the corresponding measurement moment is disturbed by target adjacent area in newest reporting channel quality.
In the present embodiment, reported in a period of time before the moment by acquisition, during each transmission of the target adjacent area of UE
Between the running time-frequency resource utilization rate that is spaced, UE is calculated accordingly in the measurement target adjacent area disturbed condition that is subject to of moment, using similar side
Method obtains each adjacent area disturbed condition that UE is subject at the measurement moment, to provide measurement base in the MCS conversions of scheduling instance for UE
Standard, i.e., reach the purpose that revised scheduling MCS is matched with demodulation SINR according to adjacent area disturbed condition, improves UE scheduling MCS's
Accuracy.
On the basis of above-mentioned embodiment illustrated in fig. 3, Fig. 4 is referred to, in some alternative embodiments of the present invention, base station
Also include：
First judge module 301, for judging running time-frequency resource utilization rate whether less than the first pre-determined threshold；If so, it is then true
Timing frequency resource utilization meets the first preset rules.
Further, base station also includes：
Second judge module 302, for judging running time-frequency resource utilization rate whether more than the second pre-determined threshold；If so, it is then true
Timing frequency resource utilization meets the second preset rules.
In the present embodiment, if to be consistently lower than first pre- for the RB utilization rates of each transmission time interval in preset time
Gating is limited, such as and 20%, it is believed that at the measurement moment, the running time-frequency resource utilization rate of the target adjacent area of user equipment is also necessarily low
In the first pre-determined threshold；If the RB utilization rates of each transmission time interval in preset time are consistently greater than the second pre- gating
Limit, such as 80%, it is believed that at the measurement moment, the running time-frequency resource utilization rate of the target adjacent area of user equipment is also naturally larger than the
Two pre-determined thresholds.
Obviously, if at the measurement moment, the running time-frequency resource utilization rate of the target adjacent area of user equipment is less than the first pre- gating
Limit, then the first determining module 202 determines that user equipment is not affected by adjacent area interference at the measurement moment；If in measurement moment, user
The running time-frequency resource utilization rate of the target adjacent area of equipment is more than the second pre-determined threshold, then the first determining module 202 determines user equipment
Disturbed by adjacent area at the measurement moment.
In the present embodiment, acquisition is reported in a period of time before the moment, between each transmission time of the target adjacent area of UE
Every running time-frequency resource utilization rate, UE is calculated accordingly in the measurement target adjacent area disturbed condition that is subject to of moment, if each time-frequency money
Source utilization rate is below the first pre-determined threshold, then it is assumed that user equipment is not disturbed by target adjacent area；If each running time-frequency resource
Utilization rate is above the second pre-determined threshold, then it is assumed that user equipment is disturbed by target adjacent area.
On the basis of above-mentioned embodiment illustrated in fig. 3, Fig. 5 is referred to, in other alternative embodiments of the present invention, base
Stand and also include：
Second determining module 401, for determining the mean value of running time-frequency resource utilization rate；
3rd judge module 402, for judging mean value whether less than the 3rd pre-determined threshold；If, it is determined that time-frequency is provided
Source utilization rate meets the first preset rules.
Further, base station also includes：
4th judge module 403, for judging mean value whether more than the 4th pre-determined threshold；If, it is determined that time-frequency is provided
Source utilization rate meets the second preset rules.
In the present embodiment, if the average RB utilization rates of each transmission time interval in preset time are pre- less than the 3rd
Gating is limited, such as and 20% or 30%, it is believed that in measurement moment, the running time-frequency resource utilization rate of the target adjacent area of user equipment
It is inevitably less than the 3rd pre-determined threshold；If the average RB utilization rates of each transmission time interval in preset time are more than the 4th
Pre-determined threshold, such as 70% or 80%, it is believed that in measurement moment, the running time-frequency resource utilization rate of the target adjacent area of user equipment
Also it is naturally larger than the 4th pre-determined threshold.
Obviously, if at the measurement moment, the running time-frequency resource utilization rate of the target adjacent area of user equipment is less than the 3rd pre- gating
Limit, then processing module 203 determines that user equipment is not affected by the interference of target adjacent area at the measurement moment；If in measurement moment, user
The running time-frequency resource utilization rate of the target adjacent area of equipment is more than the 4th pre-determined threshold, then processing module 203 determines that user equipment is being surveyed
The amount moment is disturbed by target adjacent area.
In the present embodiment, acquisition is reported in a period of time before the moment, between each transmission time of the target adjacent area of UE
Every average time-frequency resource utilization, UE is calculated accordingly in the measurement target adjacent area disturbed condition that is subject to of moment, if mean time
Frequency resource utilization is less than the 3rd pre-determined threshold, then it is assumed that user equipment is not disturbed by target adjacent area；If average time-frequency money
Source utilization rate is higher than the 4th pre-determined threshold, then it is assumed that user equipment is disturbed by target adjacent area.
In other alternative embodiments of the present invention, above-mentioned first determining module 202 sets if being additionally operable to detect user
The first community reference signal of standby Serving cell collides with the second community reference signal of target adjacent area, it is determined that user
Equipment is disturbed at the measurement moment by target adjacent area.
In other alternative embodiments of the present invention, above-mentioned first determining module 202 sets if being additionally operable to detect user
The time-frequency of the resource particle position with target adjacent area of first community reference signal is carried in the time/frequency source block of standby Serving cell
The resource particle position that second community reference signal is carried in Resource Block is identical, it is determined that the first of the Serving cell of user equipment
Cell reference signals collide with the second community reference signal of target adjacent area.
In the present embodiment, determine whether user equipment is subject at the measurement moment by the collision detection of cell reference signals
Target adjacent area is disturbed, further perfect technical scheme.
Above the angle of slave module functional entity is described to the base station in the embodiment of the present invention, below from hardware
The angle of process is described to the base station in the embodiment of the present invention, refers to Fig. 6, and the base station in the embodiment of the present invention includes：
Receiver 501, processor 502 and memory 503.
The present embodiments relate to base station can have than more or less of part illustrated in fig. 6, can combine
Two or more parts, or can have different parts to configure or set up, all parts can be including one or many
Individual signal transacting and/or special IC are realized in the combination of interior hardware, software or hardware and software.
Receiver 501 is used to perform following operation：
The running time-frequency resource utilization rate of each transmission time interval of the target adjacent area of user equipment in preset time is obtained, it is preset
Measure the cycle of the time comprising at least two user equipmenies, the finish time of preset time is the newest reporting channel matter of user equipment
Amount instruction reports the moment.
Processor 502 is used to perform following operation：
If running time-frequency resource utilization rate meets the first preset rules, it is determined that user equipment is indicated in newest reporting channel quality
The corresponding measurement moment is not affected by the interference of target adjacent area；If running time-frequency resource utilization rate meets the second preset rules, it is determined that user
Equipment indicates that the corresponding measurement moment is disturbed by target adjacent area in newest reporting channel quality.
Memory 503 is used to store the code needed for the execution corresponding operating of processor 502.
In the present embodiment, reported in a period of time before the moment by acquisition, during each transmission of the target adjacent area of UE
Between the running time-frequency resource utilization rate that is spaced, UE is calculated accordingly in the measurement target adjacent area disturbed condition that is subject to of moment, using similar side
Method obtains each adjacent area disturbed condition that UE is subject at the measurement moment, to provide measurement base in the MCS conversions of scheduling instance for UE
Standard, i.e., reach the purpose that revised scheduling MCS is matched with demodulation SINR according to adjacent area disturbed condition, improves UE scheduling MCS's
Accuracy.
Processor 502 is additionally operable to perform following operation：
Judge running time-frequency resource utilization rate whether less than the first pre-determined threshold；If, it is determined that running time-frequency resource utilization rate meets
First preset rules.
If it is not, judging running time-frequency resource utilization rate whether more than the second pre-determined threshold；If, it is determined that running time-frequency resource utilization rate
Meet the second preset rules.
Processor 502 is additionally operable to perform following operation：
Determine the mean value of running time-frequency resource utilization rate；Judge mean value whether less than the 3rd pre-determined threshold；If, it is determined that
Running time-frequency resource utilization rate meets the first preset rules.
If it is not, judging mean value whether more than the 4th pre-determined threshold；If, it is determined that running time-frequency resource utilization rate meets second
Preset rules.
Processor 502 is additionally operable to perform following operation：
If the second community of the first community reference signal and target adjacent area for detecting the Serving cell of user equipment is referred to
Signal collides, it is determined that user equipment is disturbed at the measurement moment by target adjacent area.
Processor 502 is additionally operable to perform following operation：
If detecting the resource grains that first community reference signal is carried in the time/frequency source block of the Serving cell of user equipment
Sub- position is identical with the resource particle position that second community reference signal is carried in the time/frequency source block of target adjacent area, it is determined that use
The first community reference signal of the Serving cell of family equipment collides with the second community reference signal of target adjacent area.
Those skilled in the art can be understood that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be described here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematic, for example, the unit
Divide, only a kind of division of logic function can have other dividing mode, such as multiple units or component when actually realizing
Can with reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or
The coupling each other for discussing or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit as separating component explanation can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can according to the actual needs be selected to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit both can be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or used
When, during a computer read/write memory medium can be stored in.Based on such understanding, technical scheme is substantially
The part for contributing to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the invention
Portion or part steps.And aforesaid storage medium includes：USB flash disk, portable hard drive, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, above example only to illustrate technical scheme, rather than a limitation；Although with reference to front
State embodiment to be described in detail the present invention, it will be understood by those within the art that：It still can be to front
State the technical scheme described in each embodiment to modify, or equivalent is carried out to which part technical characteristic；And these
Modification is replaced, and does not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (14)
1. a kind of method that detection adjacent area is disturbed, it is characterised in that include：
Base station obtains the running time-frequency resource utilization rate of each transmission time interval of the target adjacent area of user equipment in preset time, described
Measure the cycle of the preset time comprising at least two user equipmenies, finish time of the preset time be the user equipment most
What new reporting channel quality was indicated reports the moment；
If the running time-frequency resource utilization rate meets the first preset rules, the base station determines the user equipment described newest
Reporting channel quality indicates that the corresponding measurement moment is not affected by the target adjacent area interference；
If the running time-frequency resource utilization rate meets the second preset rules, the base station determines the user equipment described newest
Reporting channel quality indicates that the corresponding measurement moment is disturbed by the target adjacent area.
2. method according to claim 1, it is characterised in that the base station determine the user equipment it is described it is newest on
Report channel quality indicates that the corresponding measurement moment is not affected by including before the target adjacent area interference：
Whether the base station judges the running time-frequency resource utilization rate less than the first pre-determined threshold；If so, then the base station determines institute
State running time-frequency resource utilization rate and meet first preset rules.
3. method according to claim 2, it is characterised in that the base station determine the user equipment it is described it is newest on
Report channel quality indicates that the corresponding measurement moment is subject to include before the interference of the target adjacent area：
Whether the base station judges the running time-frequency resource utilization rate more than the second pre-determined threshold；If so, then the base station determines institute
State running time-frequency resource utilization rate and meet second preset rules.
4. method according to claim 1, it is characterised in that the base station determine the user equipment it is described it is newest on
Report channel quality indicates that the corresponding measurement moment is not affected by including before the target adjacent area interference：
The base station determines the mean value of the running time-frequency resource utilization rate；
Whether the base station judges the mean value less than the 3rd pre-determined threshold；If so, then the base station determines the time-frequency money
Source utilization rate meets first preset rules.
5. method according to claim 4, it is characterised in that the base station determine the user equipment it is described it is newest on
Report channel quality indicates that the corresponding measurement moment is subject to include before the interference of the target adjacent area：
Whether the base station judges the mean value more than the 4th pre-determined threshold；If so, then the base station determines the time-frequency money
Source utilization rate meets second preset rules.
6. the method according to any one of claim 1 to 5, it is characterised in that methods described also includes：
If the base station detects the first community reference signal of the Serving cell of the user equipment and the target adjacent area
Second community reference signal collides, then the base station determines that the user equipment is subject to the target at the measurement moment
Disturb adjacent area.
7. method according to claim 6, it is characterised in that the base station determines the user equipment in the measurement
Carve and be subject to include before the interference of the target adjacent area：
If the base station detects carries the first community reference in the time/frequency source block of the Serving cell of the user equipment
The resource of the second community reference signal is carried in the resource particle position of signal and the time/frequency source block of the target adjacent area
Particle position is identical, then the base station determines the first community reference signal and the target of the Serving cell of the user equipment
The second community reference signal of adjacent area collides.
8. a kind of base station, it is characterised in that include：
Acquisition module, for obtaining preset time in each transmission time interval of the target adjacent area of user equipment running time-frequency resource profit
With rate, measure the cycle of the preset time comprising at least two user equipmenies, the finish time of the preset time is described
What the newest reporting channel quality of user equipment was indicated reports the moment；
First determining module, if meeting the first preset rules for the running time-frequency resource utilization rate, it is determined that the user equipment
Indicate that the corresponding measurement moment is not affected by the target adjacent area interference in the newest reporting channel quality；If the running time-frequency resource
Utilization rate meets the second preset rules, it is determined that the user equipment indicates corresponding measurement in the newest reporting channel quality
Moment is disturbed by the target adjacent area.
9. base station according to claim 8, it is characterised in that the base station also includes：
First judge module, for judging the running time-frequency resource utilization rate whether less than the first pre-determined threshold；If, it is determined that institute
State running time-frequency resource utilization rate and meet first preset rules.
10. base station according to claim 9, it is characterised in that the base station also includes:
Second judge module, for judging the running time-frequency resource utilization rate whether more than the second pre-determined threshold；If, it is determined that institute
State running time-frequency resource utilization rate and meet second preset rules.
11. base stations according to claim 8, it is characterised in that the base station also includes：
Second determining module, for determining the mean value of the running time-frequency resource utilization rate；
3rd judge module, for judging the mean value whether less than the 3rd pre-determined threshold；If, it is determined that the time-frequency money
Source utilization rate meets first preset rules.
12. base stations according to claim 11, it is characterised in that the base station also includes：
4th judge module, for judging the mean value whether more than the 4th pre-determined threshold；If, it is determined that the time-frequency money
Source utilization rate meets second preset rules.
13. base stations according to any one of claim 8 to 12, it is characterised in that first determining module, if being additionally operable to
The first community reference signal of Serving cell and the second community reference of the target adjacent area for detecting the user equipment is believed
Number collide, it is determined that the user equipment is subject to target adjacent area interference at the measurement moment.
14. base stations according to claim 13, it is characterised in that first determining module, if being additionally operable to detect institute
Resource particle position and the institute of the first community reference signal are carried in the time/frequency source block of the Serving cell for stating user equipment
The resource particle position that the second community reference signal is carried in the time/frequency source block for stating target adjacent area is identical, it is determined that described
The first community reference signal of the Serving cell of user equipment collides with the second community reference signal of the target adjacent area.
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| CN201611085271.7A CN106686625B (en) | 2016-11-30 | 2016-11-30 | Method and base station for detecting adjacent cell interference |
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| CN201611085271.7A CN106686625B (en) | 2016-11-30 | 2016-11-30 | Method and base station for detecting adjacent cell interference |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018227496A1 (en) * | 2017-06-15 | 2018-12-20 | Oppo广东移动通信有限公司 | Method for transmitting signal, network device and terminal device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420699A (en) * | 2008-12-03 | 2009-04-29 | 华为技术有限公司 | Control method, apparatus and base station for same station adjacent cell interference |
| CN102307370A (en) * | 2011-08-09 | 2012-01-04 | 华南理工大学 | Handover measurement control method for mobile communication system |
| CN103517441A (en) * | 2012-06-27 | 2014-01-15 | 中兴通讯股份有限公司 | Method of interference coordination among cells and system thereof |
| US20140036808A1 (en) * | 2012-08-01 | 2014-02-06 | Interdigital Patent Holdings, Inc. | Control of uplink transmission |
| CN105636088A (en) * | 2014-10-31 | 2016-06-01 | 华为技术有限公司 | Method and device for processing inter-cell interference, control device and base station |
-
2016
- 2016-11-30 CN CN201611085271.7A patent/CN106686625B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420699A (en) * | 2008-12-03 | 2009-04-29 | 华为技术有限公司 | Control method, apparatus and base station for same station adjacent cell interference |
| CN102307370A (en) * | 2011-08-09 | 2012-01-04 | 华南理工大学 | Handover measurement control method for mobile communication system |
| CN103517441A (en) * | 2012-06-27 | 2014-01-15 | 中兴通讯股份有限公司 | Method of interference coordination among cells and system thereof |
| US20140036808A1 (en) * | 2012-08-01 | 2014-02-06 | Interdigital Patent Holdings, Inc. | Control of uplink transmission |
| CN105636088A (en) * | 2014-10-31 | 2016-06-01 | 华为技术有限公司 | Method and device for processing inter-cell interference, control device and base station |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018227496A1 (en) * | 2017-06-15 | 2018-12-20 | Oppo广东移动通信有限公司 | Method for transmitting signal, network device and terminal device |
| US11343830B2 (en) | 2017-06-15 | 2022-05-24 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for transmitting signal, network device and terminal device |
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| CN106686625B (en) | 2020-06-26 |
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