CN107302790A - A kind of ascending power control method and device based on UMTS homogenous networks - Google Patents

A kind of ascending power control method and device based on UMTS homogenous networks Download PDF

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Publication number
CN107302790A
CN107302790A CN201610231999.XA CN201610231999A CN107302790A CN 107302790 A CN107302790 A CN 107302790A CN 201610231999 A CN201610231999 A CN 201610231999A CN 107302790 A CN107302790 A CN 107302790A
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China
Prior art keywords
cell
serving cell
relatively low
soft handover
value
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CN201610231999.XA
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Chinese (zh)
Inventor
詹建明
包晓瑜
梁昌裕
刘涛
霍燚
余擎旗
蒲迎春
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ZTE Corp
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ZTE Corp
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Priority to CN201610231999.XA priority Critical patent/CN107302790A/en
Priority to PCT/CN2016/107270 priority patent/WO2017177683A1/en
Publication of CN107302790A publication Critical patent/CN107302790A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/241—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account channel quality metrics, e.g. SIR, SNR, CIR, Eb/lo

Abstract

The invention discloses a kind of ascending power control method and device based on UMTS homogenous networks.This method includes：RNC periodically calculates the maximum up-downgoing degree of unbalancedness DU between serving cell and the relatively low cell of neighboring upstream load；If DU is more than or equal to the measurement report that UE is reported in default threshold value, monitoring serving cell；When UE requires that increase neighboring upstream loads relatively low cell for activation collection, increased up sir target value of the radio link configuration one at least above DU is required for soft handover UE, the RRC with associate uplink business that lays equal stress on eats dishes without rice or wine wireless parameter；The change of the maximum difference and DU of the sir measurement value of relatively low cell, the up sir target value of dynamic adjustment serving cell soft handover UE Radio Link are loaded according to serving cell and neighboring upstream.The present invention can lift up-downgoing performance capability of the UMTS homogenous networks under high capacity scene, it is to avoid user speech call drop and PS call drops, lift Consumer's Experience.

Description

A kind of ascending power control method and device based on UMTS homogenous networks
Technical field
The present invention relates to UMTS (Wideband Code Division Multiple Access, WCDMA GSM) field, more particularly to a kind of ascending power control method based on UMTS homogeneous networks And device.
Background technology
In actual UMTS homogeneous networks deployment, there is larger difference in the ascending load between neighbor cell When can cause there is uplink downlink imbalance problem between two neighboring cell.It refer to Fig. 1, serving cell Ascending load be dynamic change, as the RoT (Rise Over Thermal, noise incrementss) of serving cell And neighbor cell RoT difference is more than after certain value, the TPC=DOWN power controls issued of neighbor cell 1 Order causes serving cell uplink physical channel power drop, and uplink quality is deteriorated, and influences customer service Experience.If up load difference than uplink downlink imbalance that is larger, existing between two neighboring cell Than larger, bigger just is disturbed to UE in region；If up load difference it is smaller, two neighboring cell it Between the uneven region of the uplink downlink that exists it is just smaller, it is just smaller to UE interference.
At present, had not focused in commercial UMTS homogeneous networks upper between neighbor cell under high capacity scene There is larger difference and cause uplink downlink imbalance problem between two neighboring cell in row load, so that on The up-downgoing performance capability in downlink imbalance region is limited, UE voices call drop and PS (Packet Service, Packet Service) call drop, Consumer's Experience is poor.
The content of the invention
In view of this, it is an object of the invention to provide a kind of uplink power control based on UMTS homogenous networks Method and apparatus, to solve under high capacity scene, the up-downgoing performance in uplink downlink imbalance region is held The limited technical problem of amount.
The technical scheme that present invention solution above-mentioned technical problem is used is as follows：
According to an aspect of the present invention there is provided a kind of uplink power control side based on UMTS homogenous networks Method comprises the following steps：
Maximum up-downgoing between RNC periodically calculating serving cells and the relatively low cell of neighboring upstream load is not Degree of balance DU；
If DU is more than or equal to the measurement report that UE is reported in default threshold value, monitoring serving cell, Otherwise this flow is terminated；
When judging that UE requires that increase neighboring upstream loads relatively low cell for activation collection, for soft handover UE It is required that up sir target value of the radio link configuration of increased activation cell one at least above DU, and The RRC with an associate uplink business eats dishes without rice or wine wireless parameter again；According to serving cell and neighboring upstream load compared with The change of the maximum difference and DU of the sir measurement value of low cell, dynamic adjustment serving cell soft handover UE Radio Link up sir target value.
It is preferred that, RNC periodically calculates the maximum between serving cell and the relatively low cell of neighboring upstream load Up-downgoing degree of unbalancedness DU includes：
Obtain serving cell and neighboring upstream loads relatively low cell in ROT mutually in the same time；
The RoT differences between serving cell and the relatively low cell of neighboring upstream load are calculated respectively；
Obtain the maximum DU of RoT differences.
It is preferred that, for soft handover UE require the radio link configuration one of increased activation cell at least above DU up sir target value, the RRC with an associate uplink business that lays equal stress on wireless parameters of eating dishes without rice or wine are further Including：
Require that the up sir target value of the Radio Link of increased activation cell configures one for soft handover UE Than larger parameter MaxTh, wherein MaxTh >=DU；
When soft handover UE is HSUPA user, adjusted by radio resource control RRC space interface signalings Whole enhancing Dedicated Physical Data Channel E-DPDCH gain factors βedReference value and the special physical control letter of enhancing Road E-DPCCH gain factors βecReference value is simultaneously handed down to soft handover UE；
When soft handover UE is R99 business, Dedicated Physical Control Channel is adjusted by RRC space interface signalings DPDCH gain factors βdReference value is simultaneously handed down to soft handover UE.
It is preferred that, the maximum that the sir measurement value of relatively low cell is loaded according to serving cell and neighboring upstream is poor The change of value and DU, the up sir target value of dynamic adjustment serving cell soft handover UE Radio Link is entered One step includes：
RNC periodically obtains serving cell and neighboring upstream loads relatively low cell in Connection Frame Number CFN phases Sir measurement value simultaneously；
Calculate serving cell and neighboring upstream loads the difference of the sir measurement value between relatively low cell, and obtain Take the current maximum difference F of sir measurement valuen；
The up sir target value for adjusting soft handover UE Radio Link is DU and FnDifference.
It is preferred that, also include after the above method：
If detecting DU less than default threshold value, associate uplink industry is matched somebody with somebody by RRC space interface signalings again The RRC of business eats dishes without rice or wine wireless parameter for default value.
According to another aspect of the present invention there is provided a kind of uplink power control based on UMTS homogenous networks Device is included with lower module：
Computing module, for periodically calculating between serving cell and the relatively low cell of neighboring upstream load most Big up-downgoing degree of unbalancedness DU；
Measurement report monitoring modular, for when DU is more than or equal to default threshold value, monitoring service to be small The measurement report that UE is reported in area；
Active module, for when UE requires that increase neighboring upstream loads relatively low cell for activation collection, for Soft handover UE requires up SIR mesh of the radio link configuration one at least above DU of increased activation cell Scale value, the RRC with an associate uplink business that lays equal stress on eats dishes without rice or wine wireless parameter；
Dynamic adjusting module, the sir measurement for loading relatively low cell according to serving cell and neighboring upstream The change of the maximum difference and DU of value, dynamic adjusts the up of serving cell soft handover UE Radio Link Sir target value.
It is preferred that, computing module further comprises：
First acquisition unit, relatively low cell is loaded mutually in the same time for obtaining serving cell and neighboring upstream ROT；
First computing unit, for calculating respectively between serving cell and the relatively low cell of neighboring upstream load RoT differences, and obtain the maximum of RoT differences.
It is preferred that, active module further comprises：
First dispensing unit, for the up of the Radio Link for the increased activation cell of soft handover UE requirements Sir target value configures one than larger parameter MaxTh, wherein MaxTh >=DU；
Second dispensing unit, for when soft handover UE is HSUPA user, being assisted by wireless heterogeneous networks Discuss RRC space interface signalings adjustment enhancing Dedicated Physical Data Channel E-DPDCH gain factors βedReference value and increasing Strong Dedicated Physical Control Channel E-DPCCH gain factors βecReference value is simultaneously handed down to soft handover UE；
3rd dispensing unit, for when soft handover UE is R99 business, being adjusted by RRC space interface signalings Dedicated Physical Control Channel DPDCH gain factors βdReference value is simultaneously handed down to soft handover UE.
It is preferred that, dynamic adjusting module further comprises：
Second acquisition module, loads relatively low cell and exists for periodically obtaining serving cell and neighboring upstream Sir measurement value when Connection Frame Number is identical；
Second computing unit, for calculating the SIR between serving cell and the relatively low cell of neighboring upstream load The difference of measured value, and obtain the current maximum difference F of sir measurement valuen；
Adjustment unit, the up sir target value of the Radio Link for adjusting soft handover UE is DU and Fn's Difference.
It is preferred that, said apparatus also includes：
Recovery module, for when detecting DU less than default threshold value, passing through RRC space interface signaling weights RRC with associate uplink business eats dishes without rice or wine wireless parameter for default value.
The ascending power control method and device based on UMTS homogenous networks that the present invention is provided, are taken by monitoring Cell of being engaged in and neighboring upstream load the maximum up-downgoing degree of unbalancedness between relatively low cell, for soft handover UE It is required that up sir target value of the radio link configuration of increased activation cell one at least above DU, then UE transmission powers are adjusted from the power parameter value of configuration physical layer, so that by the signal interference ratio SIR of serving cell Control is in stable state.Then according to the wireless of the dynamic adjustment serving cell soft handover UE of uplink quality The up sir target value of link, so that dynamic adjustment UE transmission power, can be lifted above and below homogeneous network Row capacity, it is to avoid user speech and PS call drops, so as to improve the uplink service experience of user.
Brief description of the drawings
Fig. 1 causes uplink downlink covering not for ascending load difference in UMTS homogenous networks in correlation technique Balance UE uplink quality variation schematic diagrames.
Fig. 2 is the stream of the ascending power control method provided in an embodiment of the present invention based on UMTS homogenous networks Cheng Tu.
Fig. 3 loads relatively low cell most for calculating serving cell provided in an embodiment of the present invention and neighboring upstream The method flow diagram of large unbalance degree.
Fig. 4 adjusts the side of the sir target value of soft handover UE Radio Links for dynamic provided in an embodiment of the present invention Method flow chart.
Fig. 5 is that the embodiment of the present invention is directed to the UE in up-downgoing in the case of uneven in UMTS homogenous networks Isomorphism RRC signaling dynamically adjusts power parameter schematic diagram.
Fig. 6 is the module of the uplink power control device provided in an embodiment of the present invention based on UMTS homogenous networks Structure chart.
Embodiment
In order that technical problems, technical solutions and advantages to be solved are clearer, clear, Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that this place is retouched The specific embodiment stated only to explain the present invention, is not intended to limit the present invention.
As shown in Fig. 2 a kind of uplink power control based on UMTS heterogeneous networks provided in an embodiment of the present invention Method comprises the following steps：
S10, RNC periodically calculate serving cell and neighboring upstream is loaded above and below the maximum between relatively low cell Row degree of unbalancedness DU.
Specifically, serving cell is adjacent with one or more cells, and the ascending load of neighbor cell is dynamic Change, wherein may some neighbor cells ascending load it is higher than serving cell, some neighbor cells it is upper Row duty factor serving cell is low, and this step is for adjacent lower than the ascending load of serving cell of ascending load For cell, and the higher cell of adjacent ascending load is then by its role's progress as serving cell Reason.RNC calculates the maximum up-downgoing between serving cell and the relatively low cell of neighboring upstream load by timing It is uneven with the presence or absence of uplink downlink that degree of unbalancedness DU carrys out dynamic decision homogeneous network cell.
As a kind of preferred scheme, Fig. 3 is refer to, this step S10 further comprises：
S101, acquisition serving cell and neighboring upstream load relatively low cell in ROT mutually in the same time.
Specifically, RoT of the serving cell in the RoT at n momentsn, the adjacent m of serving cell up negative It is to be recorded as RoT respectively to carry the RoT that relatively low cell is the n momenta1n、RoTa2n、.......、RoTamn。
S102, respectively calculating serving cell and neighboring upstream load the RoT differences between relatively low cell.
Specifically, the RoT that RNC is calculated between serving cell and the relatively low cell of neighboring upstream load respectively is poor It is worth and is：
DU1n=RoTa1n-RoTsn
DU2n=RoTa2n-RoTsn
DUmn=RoTamn-RoTsn
S103, the maximum DU for obtaining mutually RoT differences in the same time.
Specifically, RNC get CFN for the serving cell RoT in the case of n and neighboring upstream load compared with The maximum of the RoT differences of low cell：DU=Max (DU1n, DU2n..., DUmn)。
If S20, DU are more than or equal to default threshold value, step S30 is performed, step is otherwise performed S70。
Specifically, as DU >=Th, wherein, DU maximum degrees of unbalancedness, Th is settable threshold value. Illustrate that UE is in the uneven region of uplink downlink, at this time, it may be necessary to the measurement report that UE is reported is monitored, it is no Then need to monitor the measurement report that UE is reported, terminate this flow, after next timing is reached again Calculate DU.
The measurement report that UE is reported in S30, monitoring serving cell.
S40, judge whether UE requires that increasing neighboring upstream loads relatively low cell for activation collection, if it is, Step S50 is performed, step S60 is otherwise performed.
Specifically, UE serving cell is certain macrocell, RNC monitoring UE reporting measurement reports.Work as RNC Judge that measurement report (event 1A or event 1E) requires that the adjacent ascending load for increasing the macrocell is relatively low Cell for activation collection when, illustrate UE in the uneven region movement of uplink downlink, execution step S50 is no Then return to step S30 continues to monitor the measurement report that UE is reported.
S50, for soft handover UE require the radio link configuration one of increased activation cell at least above DU Up sir target value, lay equal stress on an associate uplink business RRC (Radio Resource Control without Line Resource Control protocols) wireless parameter of eating dishes without rice or wine.
Specifically, up SIR mesh of the RNC for the Radio Link of the switching UE relatively low cell of ascending load Scale value configures one than larger parameter MaxTh, wherein MaxTh >=DU.Then from the work(of configuration physical layer Rate parameter value adjusts UE transmission powers, i.e. the RRC by RRC signaling again with an associate uplink business Eat dishes without rice or wine wireless parameter.If the business of the UE is HSUPA (High Speed Uplink Packet Access High Speed Uplink Packet access) user, then RNC adjusts E-DPDCH by RRC space interface signalings (EnhancedDedicatedChannel DedicatedPhysicalDataChannel strengthen special physical data Channel) gain factor βedReference value and E-DPCCH EnhancedDedicatedChannel DedicatedPhysicalControlChannel, strengthens Dedicated Physical Control Channel) gain factor βecReference value And it is handed down to UE；If the UE is R99 business, RNC adjusts E-DPDCH by RRC space interface signalings and increased Beneficial factor-betadReference value is simultaneously handed down to UE, so as to ensure the SIR stability of serving cell.
S60, loaded according to serving cell and neighboring upstream relatively low cell sir measurement value maximum difference and DU change, the up sir target value of dynamic adjustment serving cell soft handover UE Radio Link.
Fig. 4 is refer to, this step S60 specifically may comprise steps of：
S601, periodically obtain serving cell and neighboring upstream and load relatively low cell when CFN is identical Sir measurement value.
Specifically, serving cell and neighboring upstream load relatively low cell all to RNC reporting uplink Radio Links Sir measurement value, sir measurement value is when CFN (ConnectionFrameNumber, Connection Frame Number) is identical Just there is comparativity.Serving cell sir measurement report value in the case of CFN is n for SIRsn, service small The relatively low cell sir measurement of adjacent m ascending load in area reports value to be SIR in the case of CFN is na1n、 SIRa2n、.......、SIRamn。
S602, calculating serving cell and neighboring upstream load the difference of the sir measurement value between relatively low cell, And obtain the current maximum difference F of sir measurement valuen。
Born specifically, the sir measurement value that RNC is obtained according to step S602 calculates serving cell with neighboring upstream The difference of the sir measurement value between relatively low cell is carried, i.e.,：
F1n=SIRa1n-SIRsn,
F2n=SIRa2n-SIRsn,
Fmn=SIRamn-SIRsn,
Then get CFN and load relatively low cell with neighboring upstream for the serving cell SIR in the case of n The maximum F of SIR differencesn, Fn=Max (F1n, F2n..., Fmn)。
S603, the up sir target value of adjustment soft handover UE Radio Link are DU and FnDifference.
Specifically, Fs of the RNC according to acquisitionn, adjust the soft handover UE of macro service cell Radio Link Up sir target value, i.e.,：SIRtarget=DU-Fn.Wherein, SIRtarget represents soft handover UE nothing The up sir target value of wired link, DU is represented between serving cell and the relatively low cell of neighboring upstream load Maximum up-downgoing degree of unbalancedness, FnRepresent that serving cell SIR loads the SIR of relatively low cell with neighboring upstream The maximum of difference.UE power ginseng is issued according to the up sir target value of soft handover UE Radio Link Number.Fig. 5 is refer to, Poewr control method provided in an embodiment of the present invention can improve the up appearance of homogeneous network The up-downgoing capacity of the uneven enterprise of uplink downlink is measured, the UE voices in the uneven region of uplink downlink are solved Call drop and PS Special Handle of Drop Question.
S70, terminate this flow.
In other preferred embodiments, also include after the above method：Preset if detecting DU and being less than Threshold value, then by RRC space interface signalings, the RRC wireless parameters of eating dishes without rice or wine with associate uplink business are silent again Recognize value.
Specifically, RNC persistently monitors FnAnd DU change, DURNC persistently monitors FnAnd DU, As DU >=Th, then it is assumed that the up-downgoing degree of unbalancedness between macrocell and neighbor cell exists, RNC continues according to FnChange dynamic adjustment macro service cell soft handover UE Radio Link it is up SIRtarget, makes SIRtarget=DU-Fn。
Work as DU<During Th, then it is assumed that the up-downgoing degree of unbalancedness between macrocell and neighbor cell is substantially eliminated, Then RNC is eated dishes without rice or wine wireless parameter by the RRC signaling again RRC with an associate uplink business, is reverted to The RRC of system default eats dishes without rice or wine wireless parameter βedReference value, βecReference value or βdReference value.If the user Business be HSUPA user, then RNC pass through RRC space interface signalings adjust βedReference value and βecWith reference to It is worth and is handed down to UE；If the user is R99 business, RNC adjusts β by RRC space interface signalingsdWith reference to It is worth and is handed down to UE.
The ascending power control method based on UMTS homogenous networks that the present invention is provided, by monitoring serving cell The maximum up-downgoing degree of unbalancedness between relatively low cell is loaded with neighboring upstream, requires to increase for soft handover UE Plus activation cell up sir target value of the radio link configuration one at least above DU, from glove Manage the power parameter value of layer to adjust UE transmission powers, so that the signal interference ratio SIR of serving cell is controlled steady Determine state.Then according to the upper of the dynamic adjustment serving cell soft handover UE of uplink quality Radio Link Row sir target value, so that dynamic adjustment UE transmission power, can lift the up-downgoing capacity of homogeneous network, User speech and PS call drops are avoided, so as to improve the uplink service experience of user.
As shown in fig. 6, a kind of uplink power control based on UMTS homogenous networks provided in an embodiment of the present invention Device includes computing module 10, measurement report monitoring modular 20, active module 30 and dynamic adjusting module 40.
Computing module 10, for periodically calculating between serving cell and the relatively low cell of neighboring upstream load Maximum up-downgoing degree of unbalancedness DU.
Specifically, computing module 10 further comprises the computing unit 102 of first acquisition unit 101 and first, Wherein：
First acquisition unit 101, relatively low cell is loaded when identical for obtaining serving cell and neighboring upstream The ROT at quarter.
Specifically, RoT of the serving cell in the RoT at n momentsn, the adjacent m of serving cell up negative It is to be recorded as RoT respectively to carry the RoT that relatively low cell is the n momenta1n、RoTa2n、.......、RoTamn。
First computing unit 102, for calculating respectively between serving cell and the relatively low cell of neighboring upstream load RoT differences, and obtain the maximum of RoT differences.
Specifically, the first computing unit 102 calculates serving cell respectively loads relatively low cell with neighboring upstream Between RoT differences be：
DU1n=RoTa1n-RoTsn
DU2n=RoTa2n-RoTsn
DUmn=RoTamn-RoTsn
S103, the maximum DU for obtaining mutually RoT differences in the same time.
Specifically, RNC get CFN for the serving cell RoT in the case of n and neighboring upstream load compared with The maximum of the RoT differences of low cell：DU=Max (DU1n, DU2n..., DUmn)。
Measurement report monitoring modular 20, for when DU is more than or equal to default threshold value, monitoring to be serviced The measurement report that UE is reported in cell.
Specifically, as DU >=Th, wherein, DU maximum degrees of unbalancedness, Th is settable threshold value. Illustrate that UE is in the uneven region of uplink downlink, at this time, it may be necessary to the measurement report that UE is reported is monitored, it is no Then need to monitor the measurement report that UE is reported, when recalculating DU after the arrival of next timing.
Active module 30, for when UE requires that increase neighboring upstream loads relatively low cell for activation collection, Require that the radio link configuration one of increased activation cell is up at least above DU for soft handover UE Sir target value, the RRC with an associate uplink business that lays equal stress on eats dishes without rice or wine wireless parameter.
It is preferred that, active module 30 further comprises the first dispensing unit 301, the and of the second dispensing unit 302 3rd dispensing unit 303, wherein：
First dispensing unit 301, for the Radio Link for the increased activation cell of soft handover UE requirements Up sir target value configures one than larger parameter MaxTh, wherein MaxTh >=DU.
Second dispensing unit 302, for when soft handover UE is HSUPA user, passing through Radio Resource control Agreement RRC space interface signalings adjustment enhancing Dedicated Physical Data Channel E-DPDCH gain factors β processededReference value With enhancing Dedicated Physical Control Channel E-DPCCH gain factors βecReference value is simultaneously handed down to soft handover UE.
3rd dispensing unit 303, for when soft handover UE is R99 business, passing through RRC space interface signalings Adjust Dedicated Physical Control Channel DPDCH gain factors βdReference value is simultaneously handed down to soft handover UE.
Dynamic adjusting module 40, the SIR for loading relatively low cell according to serving cell and neighboring upstream is surveyed The change of the maximum difference and DU of value, dynamic adjusts the up of serving cell soft handover UE Radio Link Sir target value.
Specifically, dynamic adjusting module 40 further comprises the second acquisition module 401, the second computing unit 402 With adjustment unit 403, wherein：
Second acquisition module 401, relatively low cell is loaded for periodically obtaining serving cell and neighboring upstream Sir measurement value when Connection Frame Number is identical.
Specifically, serving cell and neighboring upstream load relatively low cell all to RNC reporting uplink Radio Links Sir measurement value, sir measurement value just has comparativity when CFN is identical.Serving cell sir measurement is reported Value in the case of CFN is n for SIRsn, the relatively low cell SIR of adjacent m ascending load of serving cell Measurement reports value to be SIR in the case of CFN is na1n、SIRa2n、.......、SIRamn。
Second computing unit 402, for calculating between serving cell and the relatively low cell of neighboring upstream load The difference of sir measurement value, and obtain the current maximum difference F of sir measurement valuen。
Born specifically, the sir measurement value that RNC is obtained according to step S602 calculates serving cell with neighboring upstream The difference of the sir measurement value between relatively low cell is carried, i.e.,：
F1n=SIRa1n-SIRsn,
F2n=SIRa2n-SIRsn,
Fmn=SIRamn-SIRsn,
Then get CFN and load relatively low cell with neighboring upstream for the serving cell SIR in the case of n The maximum F of SIR differencesn, Fn=Max (F1n, F2n..., Fmn)。
Adjustment unit 403, for adjust soft handover UE Radio Link up sir target value for DU with FnDifference.
Specifically, Fs of the RNC according to acquisitionn, adjust the soft handover UE of macro service cell Radio Link Up sir target value, i.e.,：SIRtarget=DU-Fn.Wherein, SIRtarget represents soft handover UE nothing The up sir target value of wired link, DU is represented between serving cell and the relatively low cell of neighboring upstream load Maximum up-downgoing degree of unbalancedness, FnRepresent that serving cell SIR loads the SIR of relatively low cell with neighboring upstream The maximum of difference.UE power ginseng is issued according to the up sir target value of soft handover UE Radio Link Number.Fig. 5 is refer to, the output control device of the embodiment of the present invention can be improved on the up-link capacity of homogeneous network The up-downgoing capacity of downlink imbalance enterprise, solves the UE voice call drops in the uneven region of uplink downlink With PS Special Handle of Drop Question.
As a kind of preferred scheme, said apparatus also includes recovery module (Fig. 6 is not shown), for working as DU During less than default threshold value, eated dishes without rice or wine wirelessly by the RRC space interface signalings again RRC with associate uplink business Parameter is default value.
Specifically, RNC persistently monitors FnAnd DU change, RNC persistently monitors FnAnd DU, As DU >=Th, then it is assumed that the up-downgoing degree of unbalancedness between macrocell and neighbor cell exists, RNC continues according to FnChange dynamic adjustment macro service cell soft handover UE Radio Link it is up SIRtarget, makes SIRtarget=DU-Fn。
Work as DU<During Th, then it is assumed that the up-downgoing degree of unbalancedness between macrocell and neighbor cell is substantially eliminated, Then RNC is eated dishes without rice or wine wireless parameter by the RRC signaling again RRC with an associate uplink business, is reverted to The RRC of system default eats dishes without rice or wine wireless parameter βedReference value, βecReference value or βdReference value.If the user Business be HSUPA user, then RNC pass through RRC space interface signalings adjust βedReference value and βecWith reference to It is worth and is handed down to UE；If the user is R99 business, RNC adjusts β by RRC space interface signalingsdWith reference to It is worth and is handed down to UE.
It should be noted that the technical characteristic during the above method is implemented is same corresponding suitable in present apparatus embodiment With repeating here and no longer.
Ascending power control method and device provided in an embodiment of the present invention based on UMTS homogenous networks, pass through The maximum up-downgoing degree of unbalancedness between serving cell and the relatively low cell of neighboring upstream load is monitored, for soft Switch up sir target of the radio link configuration one at least above DU that UE requires increased activation cell Value, UE transmission powers are adjusted from the power parameter value of configuration physical layer, so that by the signal interference ratio of serving cell SIR is controlled in stable state.Then according to the dynamic adjustment serving cell soft handover UE's of uplink quality The up sir target value of Radio Link, so that dynamic adjustment UE transmission power, can lift homogeneous network Up-downgoing capacity, it is to avoid user speech and PS call drops, so as to improve the uplink service experience of user.
One of ordinary skill in the art will appreciate that realizing that all or part of step in above-described embodiment method is The hardware of correlation can be controlled to complete by program, described program can be to be stored in one computer-readable Take in storage medium, described storage medium, such as ROM/RAM, disk, CD.
Above by reference to the preferred embodiments of the present invention have been illustrated, not thereby limit to the right model of the present invention Enclose.Those skilled in the art do not depart from any modification made in the scope of the present invention and essence, equivalent substitution And improvement, all should be within the interest field of the present invention.

Claims (10)

1. a kind of ascending power control method based on UMTS homogenous networks, it is characterised in that this method includes Following steps：
Radio network controller (RNC) is periodically calculated between serving cell and the relatively low cell of neighboring upstream load Maximum up-downgoing degree of unbalancedness DU；
If DU is more than or equal to the measurement report that UE is reported in default threshold value, monitoring serving cell, Otherwise this flow is terminated；
When judging that UE requires that increase neighboring upstream loads relatively low cell for activation collection, for soft handover UE It is required that up signal to noise ratio sir target of the radio link configuration of increased activation cell one at least above DU Value, the radio resource control RRC with an associate uplink business that lays equal stress on eats dishes without rice or wine wireless parameter；
Loaded according to the serving cell and neighboring upstream the sir measurement value of relatively low cell maximum difference and DU change, the up sir target value of dynamic adjustment serving cell soft handover UE Radio Link.
2. ascending power control method according to claim 1, it is characterised in that described RNC weeks Phase property calculates the maximum up-downgoing degree of unbalancedness DU between serving cell and the relatively low cell of neighboring upstream load Including：
Obtain serving cell and neighboring upstream loads incrementss of the relatively low cell in thermal noise mutually in the same time ROT；
The RoT differences between serving cell and the relatively low cell of neighboring upstream load are calculated respectively；
Obtain the maximum DU of RoT differences mutually in the same time.
3. ascending power control method according to claim 1, it is characterised in that described to be cut for soft Change up sir target of the radio link configuration one at least above DU that UE requires increased activation cell Value, the RRC with an associate uplink business that lays equal stress on wireless parameters of eating dishes without rice or wine further comprise：
Require that the up sir target value of the Radio Link of increased activation cell configures one for soft handover UE Than larger parameter MaxTh, wherein MaxTh >=DU；
When the soft handover UE is high speed uplink packet access HSUPA user, pass through wireless heterogeneous networks Agreement RRC space interface signalings adjustment enhancing Dedicated Physical Data Channel E-DPDCH gain factors βedReference value and Strengthen Dedicated Physical Control Channel E-DPCCH gain factors βecReference value is simultaneously handed down to the soft handover UE；
When the soft handover UE is R99 business, special physical control is adjusted by RRC space interface signalings and believed Road DPDCH gain factors βdReference value is simultaneously handed down to the soft handover UE.
4. ascending power control method according to claim 1, it is characterised in that described in the basis Serving cell loads the change of the maximum difference and DU of the sir measurement value of relatively low cell with neighboring upstream, The up sir target value of dynamic adjustment serving cell soft handover UE Radio Link further comprises：
RNC periodically obtains the serving cell and neighboring upstream loads relatively low cell in Connection Frame Number phase Sir measurement value simultaneously；
Calculate the serving cell and neighboring upstream load the difference of the sir measurement value between relatively low cell, And obtain the current maximum difference F of sir measurement valuen；
The up sir target value for adjusting the Radio Link of the soft handover UE is the DU and Fn's Difference.
5. the ascending power control method according to claim 1-4 any one claims, its feature It is, the maximum of the sir measurement value that relatively low cell is loaded according to the serving cell and neighboring upstream The change of difference and DU, the up sir target value of dynamic adjustment serving cell soft handover UE Radio Link Also include afterwards：
If detecting DU less than default threshold value, associate uplink industry is matched somebody with somebody by RRC space interface signalings again The RRC of business eats dishes without rice or wine wireless parameter for default value.
6. a kind of uplink power control device based on UMTS homogenous networks, it is characterised in that the device includes With lower module：
Computing module, for periodically calculating between serving cell and the relatively low cell of neighboring upstream load most Big up-downgoing degree of unbalancedness DU；
Measurement report monitoring modular, for when DU is more than or equal to default threshold value, monitoring service to be small The measurement report that UE is reported in area；
Active module, for when UE requires that increase neighboring upstream loads relatively low cell for activation collection, for Soft handover UE requires up signal to noise ratio of the radio link configuration one at least above DU of increased activation cell Sir target value, the radio resource control RRC with an associate uplink business that lays equal stress on eats dishes without rice or wine wireless parameter；
Dynamic adjusting module, the SIR for loading relatively low cell according to the serving cell and neighboring upstream The change of the maximum difference and DU of measured value, dynamic adjusts the upper of serving cell soft handover UE Radio Link Row sir target value.
7. uplink power control device according to claim 6, it is characterised in that the computing module Further comprise：
First acquisition unit, relatively low cell is loaded mutually in the same time for obtaining serving cell and neighboring upstream Thermal noise incrementss ROT；
First computing unit, for calculating respectively between serving cell and the relatively low cell of neighboring upstream load RoT differences, and obtain the maximum DU of the RoT differences.
8. uplink power control device according to claim 6, it is characterised in that the active module Further comprise：
First dispensing unit, for the up of the Radio Link for the increased activation cell of soft handover UE requirements Sir target value configures one than larger parameter MaxTh, wherein MaxTh >=DU；
Second dispensing unit, for when the soft handover UE is HSUPA user, passing through Radio Resource control Agreement RRC space interface signalings adjustment enhancing Dedicated Physical Data Channel E-DPDCH gain factors β processededReference value With enhancing Dedicated Physical Control Channel E-DPCCH gain factors βecReference value is simultaneously handed down to the soft handover UE；
3rd dispensing unit, for when the soft handover UE is R99 business, passing through RRC space interface signalings Adjust Dedicated Physical Control Channel DPDCH gain factors βdReference value is simultaneously handed down to the soft handover UE.
9. uplink power control device according to claim 6, it is characterised in that the dynamic adjustment Module further comprises：
Second acquisition module, for periodically obtain the serving cell and neighboring upstream load it is relatively low small Sir measurement value of the area when Connection Frame Number is identical；
Second computing unit, for calculating between the serving cell and the relatively low cell of neighboring upstream load The difference of sir measurement value, and obtain the current maximum difference F of sir measurement valuen；
Adjustment unit, is described for adjusting the up sir target value of Radio Link of the soft handover UE The DU and FnDifference.
10. the uplink power control device according to claim 6-9 any one claims, it is special Levy and be, in addition to：
Recovery module, for when detecting the DU less than default threshold value, being eated dishes without rice or wine letter by RRC The RRC with associate uplink business eats dishes without rice or wine wireless parameter for default value again for order.
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