CN109890034A - A kind of communication guarantee method for the big business scenario of LTE - Google Patents
A kind of communication guarantee method for the big business scenario of LTE Download PDFInfo
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- CN109890034A CN109890034A CN201711498389.7A CN201711498389A CN109890034A CN 109890034 A CN109890034 A CN 109890034A CN 201711498389 A CN201711498389 A CN 201711498389A CN 109890034 A CN109890034 A CN 109890034A
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Abstract
The invention discloses a kind of communication guarantee methods for the big business scenario of LTE, comprising the following steps: carries out capacity according to the number of users under big business scenario and estimates, carries out LTE covering control and subregion in advance；Based on the burst service form of big business scenario amount, uplink service demand is ensured, including increase uplink traffic and promote upstream rate；The characteristics of business scenario big for LTE, carries out LTE network parameter setting；Monitoring LTE network index fluctuation situation simultaneously carries out emergency parameter adjustment；Set device telephone traffic threshold value carries out different system migration when telephone traffic is more than the threshold value.
Description
Technical field
The present invention relates to communication support fields, more particularly, to a kind of communication support for the big business scenario of LTE
Method.
Background technique
As popularizing for 4G terminal is perfect with the 4G network coverage, LTE is big, and traffic scene gradually increases, such as important sport
The activity such as race, concert is likely to form big traffic scene.Initiated under big traffic scene, in a large number of users short time with
Machine access is concentrated the upload for concurrently being carried out picture and video using data service, causes wireless percent of call completed sharply to decline, seriously
Influence user's perception.Compared with the guarantee experience of traditional 2/3G maturation, LTE there is no effective experience that can refer to, and LTE
User behavior habit with traditional 2/3G speech based on it is different, therefore also cannot directly apply 2/3G guarantee experience.
Summary of the invention
Present invention aim to address the defects for lacking effective LTE large scene guarantee experience at present, propose that one kind is used for
The communication guarantee method of the big business scenario of LTE.
To realize the above goal of the invention, the technical solution adopted is that:
A kind of communication guarantee method for the big business scenario of LTE, comprising the following steps:
S1: carrying out capacity according to the number of users under big business scenario and estimate, and carries out LTE covering control and subregion in advance；
S2: the burst service form based on big business scenario amount ensures uplink service demand, including increases uplink traffic
With promotion upstream rate；
S3: LTE network parameter setting is carried out for the characteristics of LTE big business scenario；
S4: monitoring LTE network index fluctuation situation simultaneously carries out emergency parameter adjustment；
S5: set device telephone traffic threshold value carries out different system migration when telephone traffic is more than the threshold value.
Wherein the setting of network parameter described in step S3 includes volumetric properties parameter setting；The parameter being provided with is user
Number, user perceptibility, CEE resource quantity, the transimission power of UE uplink control channel, UE Uplink Shared Channel are accessed simultaneously
Transimission power and periphery feeble field user access quantity.
Preferably, the numerical value of the parameter is respectively 608,192,4, -110, -93, -116.
Wherein the setting of network parameter described in step S3 further includes the setting of user's perceptual parameters, specially for opening double carry
The cell of wave and three carrier waves carries out load balancing；Being provided with parameter includes the target for allowing Lin Qu as alien frequencies load balancing
Cell switch, alien frequencies load balancing switch, Target cell signal strength setting value, cell are used for the total capacity of flow equalization, open
The maximum UE number that dynamic traffic shares two cell telephone traffic load differences of switching and operation traffic is shared.
Preferably, the numerical value of the setting parameter is respectively 1,1, -95,60000,30,200.
Wherein the alien frequencies load balancing switch parameter setting further includes setting alien-frequency district comparison target value；It is wherein right
Than the ratio that target value is Σ qciSubscriptionQuanta and cellSubscriptionCapacity.
LTE network index described in step S4 includes that access property index, retentivity index, mobility index and load class refer to
Mark；Wherein access property index includes that RRC connection is created as power, E-RAB is created as power, wireless percent of call completed；Retentivity index
Including wireless drop rate, E-RAB drop rate；Mobility index includes that handover success rate and traffic share handover success rate；Meet
Class index includes maximum connection number of users and CP load.
Wherein the emergency parameter adjustment includes the adjustment of gravity treatment class cell offset parameter, access parameter adjustment, OOS parameter
Adjustment, power and the adjustment of ACB parameter.
Gravity treatment class cell offset parameter adjustment include tInactivityTimer,
featureStatePmInitiatedUeMeasurements、qRxLevMin、pdcchAdmEnabled、
pdcchAdmThreshold,qOffsetCellEUtran,cellIndividualOffsetEUtran；Access parameter adjustment
Including noOfPucchSrUsers, noOfPucchCqiUsers, pdcchCfiMode；OOS parameter adjusts
zzzTemporary21、tPollRetransmitDl、tPollRetransmitUl、tPollRetransmitDl、
tPollRetransmitUl；Power adjustment parameters include configuredOutputPower；ACB access parameter adjusts
acBarringInfoPresent、acBarringForMoDataPresent、
acBarringForMoSignallingPresent、acBarringFactor、acBarringTime、
acBarringFactor、 acBarringTime。
The gravity treatment class cell offset parameter adjustment numerical value is respectively 61,0, -116, TRUE, 750, -3,3；Access parameter
Adjusting numerical value is 768,192,4；It is 1920,160,160,160,160 that OOS parameter, which adjusts numerical value,；ACB parameter adjusts numerical value
TRUE、TRUE、TRUE、80、8、95、64。
Compared with prior art, the beneficial effects of the present invention are:
The invention proposes a kind of communication guarantee methods for the big business scenario of LTE, it is ensured that the nothing under big business scenario
Line percent of call completed maximizes the service efficiency for improving resource, guarantees user's perception；Simultaneously by establishing complete security mechanism and guarantor
Hinder parameter adjustment, execution easy to implement easy to operate.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
Below in conjunction with drawings and examples, the present invention is further elaborated.
Embodiment 1
A kind of communication guarantee method for the big business scenario of LTE, comprising the following steps:
S1: carrying out capacity according to the number of users under big business scenario and estimate, and carries out LTE covering control and subregion in advance；
S2: the burst service form based on big business scenario amount ensures uplink service demand, including increases uplink traffic
With promotion upstream rate；
S3: LTE network parameter setting is carried out for the characteristics of LTE big business scenario；
S4: monitoring LTE network index fluctuation situation simultaneously carries out emergency parameter adjustment；
S5: set device telephone traffic threshold value carries out different system migration when telephone traffic is more than the threshold value.
Wherein the setting of network parameter described in step S3 includes volumetric properties parameter setting；The parameter being provided with is user
Number, user perceptibility, CEE resource quantity, the transimission power of UE uplink control channel, UE Uplink Shared Channel are accessed simultaneously
Transimission power and periphery feeble field user access quantity.Volumetric properties parameter MO Class is EUtranCellTDD,
Attribute be respectively noOfPucchSrUsers, noOfPucchCqiUsers, pdcchCfiMode,
pZeroNominalPucch,pZeroNominalPusch,alpha,qRxLevMin；Numerical value is respectively 608,192,4 ,-
110,-93,-116.This parameter setting can guarantee user perceptibility, flexibly in the case where guaranteeing that more users access simultaneously
CEE resource is provided, the interference to channel is reduced.
Network parameter described in step S3 setting further include user's perceptual parameters setting, specially for open dual carrier and
The cell of three carrier waves carries out load balancing；Being provided with parameter includes the Target cell for allowing Lin Qu as alien frequencies load balancing
Total capacity, the starting words of switch, alien frequencies load balancing switch, Target cell signal strength setting value, cell for flow equalization
The maximum UE number that two cell telephone traffic load differences of switching are shared in business and operation traffic is shared.The MO Class of parameter is respectively
EUtranCellRelation、InterFrequencyLoadBalancing、 ReportConfigEUtraInterFreqLb、
ReportConfigEUtraInterFreqLb、EUtranCellTDD、 LoadBalancingFunction、
LoadBalancingFunction；Attribute be respectively loadBalancing,
featureStateInterFrequencyLoadBalancing、a5Threshold1Rsrp、a5Threshold2Rsrp、
cellSubscriptionCapacity,lbThreshold,lbCeiling；The numerical value that parameter is arranged is respectively 1,1, -44, -
95,60000,30,200.By allowing the Target cell as alien frequencies load balancing and opening alien frequencies load balancing, and set
The maximum UE number that starting traffic shares the load difference of switching and traffic is shared, the customer charge of balanced each alien-frequency district.
It determines and whether needs to implement alien frequencies load balancing between alien-frequency district, the target value of comparison is not the use between them
Amount difference, but subscription ratio, i.e. Σ qciSubscriptionQuanta and
The ratio of cellSubscriptionCapacity, in this case, network consider be community user throughput requirement and
Cell is to the satisfaction of this demand, rather than simple number of users.As the subscription of two alien-frequency districts
When ratio difference is greater than parameter lbThreshold setting value, Inter-frequency Load Balancing is triggered, below
A simply example, lbThreshold=30 (3%), cell with being QCI=9 per family.Load balancing as a result, power
It is minimum to seek subscription ratio difference between alien-frequency district, but does not require that and disposably reaches, speed and lbCeiling are set
It is related to set value.The assessment of one load balancing and implementation cycle (Inter-frequency Load balancing cycle)
It is 15 seconds, when lesser value is arranged in lbCeiling, this means that in period internal loading equilibrium expectation minizone
Subscription ratio difference is smaller, and the number of users for needing to migrate in a cycle is more, reaches final equilibrium in this way
The case where target needs the period to be used less, and the speed of load balancing is just very fast, and the high user that is suitable for happening suddenly accesses.
LTE network index described in step S4 includes that access property index, retentivity index, mobility index and load class refer to
Mark；Wherein access property index includes that RRC connection is created as power, E-RAB is created as power, wireless percent of call completed；Retentivity index
Including wireless drop rate, E-RAB drop rate；Mobility index includes that handover success rate and traffic share handover success rate；Meet
Class index includes maximum connection number of users and CP load.
Wherein the emergency parameter adjustment includes the adjustment of gravity treatment class cell offset parameter, access parameter adjustment, OOS parameter
Adjustment, power and the adjustment of ACB parameter.
Gravity treatment class cell offset parameter adjustment include tInactivityTimer,
featureStatePmInitiatedUeMeasurements、qRxLevMin、pdcchAdmEnabled、
pdcchAdmThreshold,qOffsetCellEUtran,cellIndividualOffsetEUtran；Access parameter adjustment
Including noOfPucchSrUsers, noOfPucchCqiUsers, pdcchCfiMode；OOS parameter adjusts
zzzTemporary21、tPollRetransmitDl、tPollRetransmitUl、tPollRetransmitDl、
tPollRetransmitUl；Power adjustment parameters include configuredOutputPower；ACB access parameter adjusts
acBarringInfoPresent、acBarringForMoDataPresent、
acBarringForMoSignallingPresent、acBarringFactor、acBarringTime、
acBarringFactor、 acBarringTime。
Threshold value is arranged after opening in pdcchAdmEnabled, and CCE resource reaches threshold value, and UE will be rejected use, no
It opens, UE will not be limited by threshold value, but can all record the signaling being rejected.It is adjusted to 750 when load is more serious, it is on the contrary
Keep initial value 1000.Power adjustment is equivalent to by reducing configuredOutputPower parameter value and reduces covering for cell
Lid range reduces the number of users in cell.
The gravity treatment class cell offset parameter adjustment numerical value is respectively 61,0, -116, TRUE, 750, -3,3；Access parameter
Adjusting numerical value is 768,192,4；It is 1920,160,160,160,160 that OOS parameter, which adjusts numerical value,；ACB parameter adjusts numerical value
TRUE、TRUE、TRUE、80、8、95、64。
When there is access index deterioration (such as RRC is created as power < 80%) to a certain extent, access etc. can be enabled
Grade control function, i.e. activation ACB function, being controlled by acBarringFactor and acBarringTime, which allows RRC to rise, exhales
Ratio, and RRC is forbidden to act the Penalty times exhaled, to reduce continuous access attempts caused by a large amount of access failures, to produce
Raw signaling storm.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of communication guarantee method for the big business scenario of LTE, which comprises the following steps:
S1: carrying out capacity according to the number of users under big business scenario and estimate, and carries out LTE covering control and subregion in advance；
S2: the burst service form based on big business scenario amount ensures uplink service demand, including increases uplink traffic and promoted
Upstream rate；
S3: LTE network parameter setting is carried out for the characteristics of LTE big business scenario；
S4: monitoring LTE network index fluctuation situation simultaneously carries out emergency parameter adjustment；
S5: set device telephone traffic threshold value carries out different system migration when telephone traffic is more than the threshold value.
2. a kind of communication guarantee method for the big business scenario of LTE according to claim 1, which is characterized in that step
The setting of network parameter described in S3 includes volumetric properties parameter setting；The parameter being provided with is user while accessing number, user's sense
Degree of knowing, CEE resource quantity, the transimission power of UE uplink control channel, the transimission power of UE Uplink Shared Channel and periphery feeble field
User accesses quantity.
3. a kind of communication guarantee method for the big business scenario of LTE according to claim 2, which is characterized in that described
The numerical value of parameter is respectively 608,192,4, -110, -93, -116.
4. a kind of communication guarantee method for the big business scenario of LTE according to claim 1, which is characterized in that step
The setting of network parameter described in S3 further includes the setting of user's perceptual parameters, specially for open the cells of dual carrier and three carrier waves into
Row load balancing；Being provided with parameter includes that Lin Qu is allowed to load as Target cell switch, the alien frequencies of alien frequencies load balancing
Weighing apparatus switch, Target cell signal strength setting value, cell for flow equalization total capacity, start traffic and share the two small of switching
The maximum UE number that area's traffic load difference and operation traffic are shared.
5. a kind of communication guarantee method for the big business scenario of LTE according to claim 4, which is characterized in that described
The numerical value that parameter is arranged is respectively 1,1, -95,60000,30,200.
6. a kind of communication guarantee method for the big business scenario of LTE according to claim 4-5, which is characterized in that institute
Stating the setting of alien frequencies load balancing switch parameter further includes setting alien-frequency district comparison target value；Wherein comparison target value is Σ
The ratio of qciSubscriptionQuanta and cellSubscriptionCapacity.
7. a kind of communication guarantee method for the big business scenario of LTE according to claim 1, which is characterized in that step
LTE network index described in S4 includes access property index, retentivity index, mobility index and load class index；Wherein access property
Index includes that RRC connection is created as power, E-RAB is created as power, wireless percent of call completed；Retentivity index includes wirelessly going offline
Rate, E-RAB drop rate；Mobility index includes that handover success rate and traffic share handover success rate；Meeting class index includes most
Big connection number of users and CP load.
8. a kind of communication guarantee method for the big business scenario of LTE according to claim 1, which is characterized in that described
Parameter of meeting an urgent need adjustment includes the adjustment of gravity treatment class cell offset parameter, access parameter adjustment, the adjustment of OOS parameter, power and ACB parameter
Adjustment.
9. a kind of communication guarantee method for the big business scenario of LTE according to claim 8, which is characterized in that described
Gravity treatment class cell offset parameter adjustment include tInactivityTimer,
featureStatePmInitiatedUeMeasurements、qRxLevMin、pdcchAdmEnabled、
pdcchAdmThreshold,qOffsetCellEUtran,cellIndividualOffsetEUtran；Access parameter adjustment package
Include noOfPucchSrUsers, noOfPucchCqiUsers, pdcchCfiMode；OOS parameter adjusts
zzzTemporary21、tPollRetransmitDl、tPollRetransmitUl、tPollRetransmitDl、
tPollRetransmitUl；Power adjustment parameters include configuredOutputPower；ACB access parameter adjusts
acBarringInfoPresent、acBarringForMoDataPresent、
acBarringForMoSignallingPresent、acBarringFactor、acBarringTime、
acBarringFactor、acBarringTime。
10. a kind of communication guarantee method for the big business scenario of LTE according to claim 9, which is characterized in that described
It is respectively 61,0, -116, TRUE, 750, -3,3 that gravity treatment class cell offset parameter, which adjusts numerical value,；Access parameter adjusts numerical value
768,192,4；It is 1920,160,160,160,160 that OOS parameter, which adjusts numerical value,；ACB parameter adjust numerical value be TRUE, TRUE,
TRUE、80、8、95、64。
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Cited By (1)
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Application publication date: 20190614 |