CN105682133B - A kind of terminal filter coefficient value range control method based on sliding window mechanism - Google Patents
A kind of terminal filter coefficient value range control method based on sliding window mechanism Download PDFInfo
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- CN105682133B CN105682133B CN201610158606.7A CN201610158606A CN105682133B CN 105682133 B CN105682133 B CN 105682133B CN 201610158606 A CN201610158606 A CN 201610158606A CN 105682133 B CN105682133 B CN 105682133B
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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
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The present invention discloses a kind of terminal filter coefficient value range control method based on sliding window mechanism, the following steps are included: base station is one filter coefficient value sequence of each terminal maintenance, according to coverage enhancement grade locating for terminal, determine that edge and window are long on sliding window, then according to certain one filter coefficient value of policy selection out of sliding window；Terminal is configured according to the measurement parameter of base station, executes measurement report process；The radio link quality that base station is reported according to terminal, adjust sliding window on along and window it is long, adjust terminal filter coefficient value range, finally, based on out of sliding window according to certain policy update filter coefficient value.The sliding that the present invention passes through control sliding window, accurate controlling terminal filter factor value range, so that terminal is under the poor environment of wireless coverage, the more harsh measurement filtering strategies of use, and under the preferable environment of wireless coverage, the more tolerant measurement filtering strategies of use.
Description
Technical field
The present invention relates to wireless communication fields, take more particularly to a kind of terminal filter coefficient based on sliding window mechanism
It is worth range control method.
Background technique
In recent years, being surging forward with technology of Internet of things, machine and machine (M2M, Machine to Machine's)
Communication service, such as smart meter reading, environmental monitoring, smart home and industrial monitoring, obtain because of its broad application prospect
The close attention of industry.M2M, which is applied, has the huge scene of terminal quantity, thus it is more sensitive to M2M terminal cost, or even can
Last and most important one of bottleneck that can future M2M application be unfolded on a large scale can be become.Operator and relevant manufactures
The terminal cost that M2M is effectively reduced is wanted to, to push the industrial chain fast-ripenin of M2M.It is, in general, that logical using honeycomb
Believe the higher cost of module, and using WiFi and short-range communication module, cost is relatively low, but operator is required to realize
To the controlled of each node, this makes the use of WiFi and short-range communication technique receive certain restriction.Permitted
In more scenes, the two can face direct competition, how to reduce the cost of terminal, and meet the needs of mobile operator, be then
At present the problem of urgent need to resolve.
Terminal under different overlay environments, the Grained Requirements for measurement are different.In overlay environment compared with
Good terminal is higher to the variation tolerance of channel quality；The terminal poor for overlay environment, for channel quality variation compared with
It is sensitive.The measurement model of existing UTRAN and EUTRAN not distinguishing terminal wireless environment, no matter the covering of environment at terminal
Intensity all uses same measuring criterion.
Summary of the invention
In the case of mainly solving coverage enhancement, terminal measures problem, strong and weak to meet different coverings
The measurement demand of terminal under environment provides a kind of terminal filter coefficient value scope control side based on sliding window mechanism
Method.
A kind of the technical solution adopted by the present invention are as follows: terminal filter coefficient value range control based on sliding window mechanism
Method processed, comprising the following steps:
(1) the base station measurement parameter initialization stage: base station is one filter coefficient value sequence of each terminal maintenance,
According to coverage enhancement grade locating for terminal, determine that sliding filter upper window edge and sliding filter window are long, then from sliding
According to certain one filter coefficient value of policy selection in filtering window；
(2) terminal metrical information reports the stage: the filter parameter that terminal is configured according to base station, executes measurement and reported
Journey；
(3) the base station measurement parameter adjusting stage: the radio link quality that base station is reported according to terminal adjusts sliding filter
Upper window edge and sliding filter window are long, are filtered based on sliding filter window adjusted according to certain tactful configurating terminal
Wave device coefficient.
Preferably, the sliding filter upper window edge adjustment, the measured value for referring to that base station is reported according to terminal are adaptive
Sliding filter upper window edge is adjusted, adaptive adjustment described herein refers specifically to: if the measured value is less than threshold value, and
It continues for some time, then shortens sliding window length；If the measured value is more than or equal to threshold value, and when continuing one section
Between, then it is long will to increase sliding window window；
Preferably, the long adjustment of the sliding filter window, refers to that base station is adaptively adjusted according to terminal coverage enhancement grade i
Sliding filter upper window edge, adaptive adjustment described herein refer specifically to: the terminal for being in coverage enhancement grade i, if
Edge on sliding window of the lower edge of sliding window greater than coverage enhancement rank i-1, then by the coverage enhancement grade drops of the terminal down to i-
1, and reinitialize sliding window relevant parameter；If the lower edge of its sliding window is less than or equal to edge on sliding window, by the end
The covering at end increases rank and improves to i+1, and reinitializes sliding window relevant parameter.
The utility model has the advantages that the terminal filter coefficient value scope control side proposed by the present invention based on sliding window mechanism
Method, by controlling the sliding of sliding window, accurate controlling terminal filter factor value range, so that terminal is in wireless coverage
Under poor environment, the more harsh measurement filtering strategies of use, and under the preferable environment of wireless coverage, the more tolerant survey of use
Measure filtering strategies.
Detailed description of the invention
Fig. 1 is that sliding window of the present invention initializes schematic diagram；
Fig. 2 is that sliding window of the present invention moves to right schematic diagram；
Fig. 3 is that sliding window of the present invention moves to left schematic diagram.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
A kind of terminal filter coefficient value range control method based on sliding window mechanism, specifically includes following step
It is rapid:
S1, terminal physical layer 1 measure.The every 40ms of physical layer executes a Reference Signal Received Power (Reference
Signal Received Power, RSRP) it calculates；
S2, terminal physical layer 1 filter.In the time window of 200ms, measured RSRP is averaging RSRPave again；
S3, terminal wireless resource control the filtering of (Radio Resource Control, RRC) layer 3.Fn=(1-a) Fn-1
+a·Mn, wherein MnIt is the RSRPave received from physical layer；FnIt is filtered RSRPave, is used for subsequent measurement
Report；Fn-1It is the corresponding filter result of preceding one-shot measurement RSRPave, when receiving first RSRPave from physical layer, F0
It is arranged to M1,K is filter factor, and value range is k={ Kmin,..,Kmax, it is standardized according to TS 36.331
It is fixed, Kmin=0, Kmax=19.
S4, terminal measurement are reported.Terminal is configured according to certain measurement period or measurement event, is reported and is measured to base station
As a result.
S5, base station is according to actual wireless link state and the coverage strength of terminal, adaptive adjustment measurement filter system
Number value range.
S501 initializes sliding window relevant parameter.Assuming that coverage enhancement rank i={ 0,1,2,3 }, a total of | i | a grade
Not.Filter value sum L=| k |=Kmax-Kmin+ 1, L is evenly dividing as | i | a region, each region overlayA filter
Wave device value, as shown in Figure 1.
S502 is determined on sliding window according to terminal coverage enhancement rank i along ki L.Specifically, for being in coverage enhancement
The terminal of rank i, edge on sliding window
S503 determines that sliding window initial window is long according to terminal coverage enhancement rank iCoverage enhancement rank higher end
End, locating signal overlay environment is weaker, thus changes to Radio Link more sensitive.In order to which more accurately capture Radio Link changes,
The filter coefficient setting for needing more accurately to control, thus, sliding window window length is shorter.Specifically, for being in coverage enhancement grade
The terminal of other i,For example, in the terminal that normally covers, i=0, thus, sliding window initial window is longFor be in coverage enhancement highest level terminal, i=3, thus, sliding window initial window is long
S504, the measured value that base station is reported according to terminal are adaptive to adjust the long L of sliding window windowi.For being in coverage enhancement
The terminal of rank i, if base station receives the measured value F of its reportnLess than threshold value θ ii, and continue for some time ti, table
The bright terminal links continuous quality deteriorates, and needs to carry out more accurate measurement, then shortens sliding window lengthIf Fn
More than or equal to threshold value θ1, and continue for some time ti, show that terminal links continuous quality restores, without more accurate
It is long will then to increase sliding window window for measurement
S505, base station adaptively adjust edge on sliding windowFor being in the terminal of coverage enhancement rank i, if it is slided
The lower edge of dynamic windowEdge on sliding window greater than coverage enhancement rank i-1Then by the coverage enhancement grade of the terminal
It is not reduced to i-1, and reinitializes sliding window relevant parameter, as shown in Figure 2；If the lower edge of its sliding window
Less than or equal to edge on sliding window, then the covering of the terminal is increased into rank and improved to i+1, and reinitializes sliding window correlation
Parameter, as shown in Figure 3.
Embodiments of the present invention are described in detail in conjunction with attached drawing above, but the present invention is not limited to described reality
Apply mode.For those of ordinary skill in the art, in the range of the principle of the present invention and technical idea, to these implementations
Mode carries out a variety of variations, modification, replacement and deformation and still falls in protection scope of the present invention.
Claims (3)
1. a kind of terminal filter coefficient value range control method based on sliding window mechanism, it is characterised in that: including with
Lower step:
(1) the base station measurement parameter initialization stage: base station is one filter coefficient value sequence of each terminal maintenance, according to
Coverage enhancement grade locating for terminal determines that sliding filter upper window edge and sliding filter window are long, then from glide filter
A filter coefficient value is selected in device window；
Initialize sliding window relevant parameter；Assuming that coverage enhancement rank i={ 0,1,2,3 }, a total of | i | a rank；Filter
Value sum L=| k |=Kmax-Kmin+ 1, L is evenly dividing as | i | a region, each region overlayA filter value；
S502 determines edge on sliding window according to terminal coverage enhancement rank iSpecifically, for being in coverage enhancement rank i
Terminal, edge on sliding window
S503 determines that sliding window initial window is long according to terminal coverage enhancement rank iSpecifically, for being in coverage enhancement grade
The terminal of other i,For in the terminal that normally covers, i=0, thus, sliding window initial window is longFor be in coverage enhancement highest level terminal, i=3, thus, sliding window initial window is long
(2) terminal metrical information reports the stage: the filter parameter that terminal is configured according to base station, executes measurement report process；
(3) the base station measurement parameter adjusting stage: the radio link quality that base station is reported according to terminal adjusts sliding filter window
Upper edge and sliding filter window are long, are based on sliding filter window configurating terminal filter coefficient adjusted；
The measured value that base station is reported according to terminal, it is adaptive to adjust the long L of sliding window windowi；For being in the end of coverage enhancement rank i
End, if base station receives the measured value F of its reportnLess than threshold value θi, and continue for some time ti, then shorten sliding window
LengthIf FnMore than or equal to threshold value θ1, and continue for some time ti, then it is long will to increase sliding window window
Base station adaptively adjusts edge on sliding windowFor being in the terminal of coverage enhancement rank i, if the lower edge of its sliding windowEdge on sliding window greater than coverage enhancement rank i-1Then by the coverage enhancement grade drops of the terminal down to i-1,
And reinitialize sliding window relevant parameter；If the lower edge of its sliding windowLess than or equal to edge on sliding window, then
The covering of the terminal is increased rank to improve to i+1, and reinitializes sliding window relevant parameter.
2. a kind of terminal filter coefficient value scope control side based on sliding window mechanism according to claim 1
Method, it is characterised in that: sliding filter upper window edge adjusts in the step (3), refers to the measured value that base station is reported according to terminal
Adaptive adjustment sliding filter upper window edge, adaptive adjustment described herein refer specifically to: if the measured value is less than thresholding
Value, and continue for some time, then shorten sliding window length；If the measured value is more than or equal to threshold value, and holds
It is long will then to increase sliding window window continuous a period of time.
3. a kind of terminal filter coefficient value scope control side based on sliding window mechanism according to claim 1
Method, it is characterised in that: the long adjustment of sliding filter window in the step (3) refers to that base station is adaptive according to terminal coverage enhancement grade i
Sliding filter upper window edge should be adjusted, adaptive adjustment described herein refers specifically to: the end for being in coverage enhancement grade i
End, if edge on sliding window of the lower edge of sliding window greater than coverage enhancement rank i-1, by the coverage enhancement grade drops of the terminal
Down to i-1, and reinitialize sliding window relevant parameter；If the lower edge of its sliding window is less than or equal to edge on sliding window,
The covering of the terminal is increased rank to improve to i+1, and reinitializes sliding window relevant parameter.
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| CN101277510A (en) * | 2007-03-30 | 2008-10-01 | 展讯通信（上海）有限公司 | Method and apparatus for wireless orientation based on mobile phone travelling speed |
| CN101291517A (en) * | 2007-04-17 | 2008-10-22 | 华为技术有限公司 | Measurement processing method and device |
| CN101415205A (en) * | 2007-10-15 | 2009-04-22 | 日本电气株式会社 | Coefficient decision apparatus, radio communication system, coefficient decision method, and memory medium |
-
2016
- 2016-03-18 CN CN201610158606.7A patent/CN105682133B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000151727A (en) * | 1998-07-17 | 2000-05-30 | General Instr Corp | Method and device for adaptive equalization under existence of large multiple path echo |
| CN101277510A (en) * | 2007-03-30 | 2008-10-01 | 展讯通信（上海）有限公司 | Method and apparatus for wireless orientation based on mobile phone travelling speed |
| CN101291517A (en) * | 2007-04-17 | 2008-10-22 | 华为技术有限公司 | Measurement processing method and device |
| CN101415205A (en) * | 2007-10-15 | 2009-04-22 | 日本电气株式会社 | Coefficient decision apparatus, radio communication system, coefficient decision method, and memory medium |
Non-Patent Citations (1)
| Title |
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| 《3GPP 36.331v13.0.0》;3GPP;《3GPP 36.331v13.0.0》;20151231;全文 |
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Application publication date: 20160615 Assignee: Shanghai Jingshu Information Technology Co.,Ltd. Assignor: JINLING INSTITUTE OF TECHNOLOGY Contract record no.: X2021320000163 Denomination of invention: A terminal filter coefficient range control method based on sliding window mechanism Granted publication date: 20190329 License type: Common License Record date: 20211218 |
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