CN101466138A - Method, device and system for configuring power - Google Patents

Abstract

The invention discloses a power collocation method, a device and a system thereof. The power when a signal that a basic station expects user equipment (UE) to send reaches the basic station is divided into two parts of a subdistrict level expectation power and a UE power offset by working out the power offset of the UE; the UE power offset can be distinguished and arranged according to the characteristic of the UE, so as to realize the differentiation collocation for different UE, and meet the requirements for the different UE, such as the speed requirement and the business requirement.

Description

Power distribution method, device and system

Technical field

The present invention relates to communication technical field, be specifically related to power distribution method, power configuration device and power configuration system.

Background technology

Appearance along with the broadband wireless access notion, with orthogonal frequency division multiplexi (OrthogonalFrequency Division Multiplexing, OFDM) be that the technology of new generation of core is ripe gradually, the 3GPP decision is adopted in the past and is used the 3G frequency range for the technology of B3G or 4G development, and formulated the Long Term Evolution plan (Long Term Evolution, LTE).The LTE technology has improved the spectrum efficiency and the traffic rate of system greatly, and the support maximum bandwidth is 20MHz.Under this bandwidth, the cell downlink peak rate can reach 100Mbps, and up peak rate can reach 50Mbps, and (UserEquipment, performance UE) improve cell capacity and reduce system delay to have improved Cell Edge User equipment greatly.

Power control techniques is as an important technology in the LTE system, and target is under the prerequisite that satisfies each communications of user equipment quality, minimizes the transmitting power of each subscriber equipment.The power consumption of power control not only can reducing system be the more important thing is the interference that can reduce system, the capacity of maximization system the useful life of prolongation travelling carriage battery.

In the control of up power, by scheduling and Adaptive Modulation and Coding (Adapt ModulateCoding, AMC) algorithm compensates rapid fading, the employing slow power controls compensating for path loss and shadow fading.The LTE minizone is a co-frequency cell, therefore can guarantee that the capacity of system can reach higher requirement by the co-channel interference between power control minimizing sector.Uplink power control mechanism is the important means that realizes that presence of intercell interference suppresses, and therefore is the primary study content in the LTE system.

(Physical Uplink Shared Channel, PUSCH) the main effect of power control is interference and the raising cell throughout that reduces adjacent sub-district to Physical Uplink Shared Channel, guarantees the cell edge speed of subscriber equipment simultaneously.In the process of the transmitting power that disposes PUSCH, can relate to parameter P _{O_PUSCH}, the power the when signal that this parametric representation base station expectation UE sends arrives the base station.

In research and practice process to prior art, the present inventor finds, prior art in setting up procedure to the transmitting power of PUSCH, P _{O_PUSCH}Parameter is provided with (cell level) for whole sub-district.The characteristic of each UE all may be different, adopt identical power setting parameter, can not satisfy requirements of different users fully, such as rate requirement and business demand but in fact.

Summary of the invention

The power distribution method that the embodiment of the invention provides, power configuration device and power configuration system can satisfy the demand of different user devices in conjunction with the characteristic of different subscriber equipmenies in the power configuration process.

The embodiment of the invention provides a kind of power distribution method, comprising:

Obtain cell-level expectation power;

Calculate the power bias of user equipment (UE);

According to the power bias of the cell-level of described base station expectation power and UE, the power when the signal of expecting that described UE sends in the base station being set arriving the base station.

The embodiment of the invention provides a kind of power configuration device, comprising:

First module is used to obtain cell-level expectation power;

Unit second is used to calculate the power bias of UE;

Unit the 3rd is used for the power bias of the UE that calculates in the described cell-level expectation power that obtains according to described first module and described Unit second, the power when signal that the power configuration device expects that described UE sends being set arriving the base station.

The embodiment of the invention provides a kind of power configuration system, comprises as each described power configuration device of claim 10 to 14, and the user equipment (UE) of communicating by letter with described power configuration device.

The technical scheme that the embodiment of the invention provides, by calculating the power bias of UE, power when the signal of the base station being expected the transmission of UE arrives the base station is divided into power bias two parts of cell-level expectation power and UE, the power bias of UE can be distinguished configuration according to the characteristic of subscriber equipment, to realize the differentiation configuration of different UEs, satisfy the demand of different user devices, such as rate requirement and business demand.

Description of drawings

Fig. 1 is the flow chart of the embodiment of the invention two power distribution methods;

Fig. 2 is the flow chart of the embodiment of the invention three power distribution methods;

Fig. 3 is the structural representation of the embodiment of the invention four power configuration devices;

Fig. 4 is the structural representation of the embodiment of the invention five power configuration devices.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.

Because different UE performance differences, and user's the business that the rank possibility is different, use is different are also different to the requirement of power, so, adopt identical P _{O_PUSCH}Come allocating power, can not satisfy requirements of different users fully, such as rate requirement and business demand.

The embodiment of the invention provides a kind of power distribution method, power configuration device and power configuration system, below is elaborated.

Embodiment one, a kind of power distribution method comprise:

Obtain cell-level expectation power;

Calculate the power bias of subscriber equipment;

According to the power bias of the cell-level of described base station expectation power and subscriber equipment, the power (P when the base station being set expecting that the signal of the transmission of described subscriber equipment arrives the base station _{O_PUSCH}).

P in the embodiment of the invention _{O_PUSCH}Collocation method, by with P _{O_PUSCH}Power is divided into the power bias of cell-level expectation power and subscriber equipment.Wherein, the power of cell-level is that subscriber equipmenies all in the sub-district disposes jointly, and the power bias of subscriber equipment can be distinguished configuration according to the actual conditions of subscriber equipment), to realize P _{O_PUSCH}At different subscriber equipment differentiation configurations.All dispose same P with respect to all subscriber equipmenies in the sub-district of the prior art _{O_PUSCH}, embodied the differentiated demand of subscriber equipment.

Embodiment two, a kind of power distribution method, flow process comprises as shown in Figure 1:

A1 obtains cell-level expectation power;

In the LTE system, the base station is generally and strengthens base station (eNB).

P in the embodiment of the invention _{O_PUSCH}Be divided into cell-level expectation power (P _{O_NOMINAL_PUSCH}) and UE level power bias two parts.Wherein, cell-level expectation wattmeter be shown in the reference transmission form (Transmit Format, TF) under, base station desired destination signal power level, the i.e. default value of the power during the signal arrival base station of the desired user equipment that is provided with for this sub-district of base station.In the embodiment of the invention, cell-level expectation power is that the base station is that of subscriber equipment power configuration generally can be provided with and guard with reference to scalar the sub-district in.

During specific implementation, can adopt mode one: P _{O_NOMINAL_PUSCH}Can be set to a fixing value.Perhaps, also can adopt mode two: P _{O_NOMINAL_PUSCH}Can be expressed as:

P _{o_NOMINAL_PUSCH}＝α(SINR _{o_NOMINAL}+IN)+(1-α)(P _{max_NOMINAL}-10log?M ₀)

The implication of each parametric variable is as follows:

α: part compensating factor in the control of PUSCH power;

Interference noise power (Interfere Noise, IN): the mean interference noise power of expression each Resource Block of PUSCH (RB);

RB (Resource Block): Resource Block;

M ₀: expression is when guaranteeing that speed is GBR _MinAnd when using with reference to the TF form, required RB number;

GBR _MinIt is the minimum bit rate that guarantees in sub-district;

P _{Max_NOMINAL}: the UE maximum transmission power of expression cell-level;

QoS: service quality;

SINR _{0_NOMINAL}: expression indicates (QCI) under reference TF form for the guaranteed qos type, the desired Signal Interference and Noise Ratio that reaches in base station.Present embodiment guarantees that QCI is that the base station is provided with, and is the service quality (comprising minimum requirements such as message transmission rate, packet loss, the error rate) that the sub-district subsistence level guarantees.

Be understandable that, if employing mode two, P _{O_NOMINAL_PUSCH}Can be dynamic change, whether the difference that can regularly judge current network interference noise IN value and IN fiducial value exceeds be preset thresholding; If then recomputate cell-level expectation power, and described IN fiducial value is revised as current IN value according to current I N value.

Such as, when interference noise changes, can adjust P by upgrading the mean interference noise power (IN) of each RB _{O_NOMINAL_PUSCH}Value.When the interference noise of sub-district increased, it is big that IN value becomes, by raising P _{O_NOMINAL_PUSCH}Value increase the transmitting power of UE, thereby guarantee that UE can adapt to the variation of interference, the performance of assurance UE.

Concrete renewal process is exemplified below: when the update cycle of presetting arrives (for example: once judged in per 30 seconds):

If (| α (IN _PUSCH(i)-IN _{PUSCH_ref}) | IN _{Th_PUSCH})/* judges IN _PUSCH(i) value and IN _{PUSCH_ref}Difference and the long-pending absolute value of the α IN threshold value * that whether exceeds setting/

{

IN _{PUSCH_ref}=IN _PUSCH(i); / * upgrades P _{O_NOMINAL_PUSCH}, make IN _{PUSCH_ref}For current I N value */

}

Else P _{O_NOMINAL_PUSCH}(i)=P _{O_NOMINAL_PUSCH}(i-1)/the constant * of * maintenance current I N value/

；

The implication of each parametric variable is as follows:

IN _PUSCH(i), current network interference noise;

IN _{Th_PUSCH}: the IN threshold value of setting;

IN _{PUSCH_ref}: the benchmark value when at every turn upgrading.

A2, the power bias of calculating subscriber equipment;

In the present embodiment, the power bias (P of subscriber equipment _{O_UE_PUSCH}) be on cell-level expectation power basis, be the power bias of each subscriber equipment setting, to embody the difference of different user devices.In general, its ability of different UE (such as hardware performance) difference, user's rank may be different, use different business also different to the requirement of power, adopt identical power setting, can not satisfy requirements of different users fully, such as rate requirement and business demand.

In the embodiment of the invention, the power bias of described calculating subscriber equipment is that the maximum transmission power according to subscriber equipment calculates, and perhaps uses professional business to guarantee that speed advances calculation according to subscriber equipment.The maximum transmission power of UE can be the pairing maximum transmission power of UE ability, or the base station is according to the set maximum transmission power of the user class of UE; The pairing maximum transmission power of described UE ability can be the maximum transmission power of the network correspondence of the maximum transmission power of the actual support of UE hardware or user's support, as: support the user of express network can obtain higher power with respect to the user who only supports slow network, concrete user capability can also have multiple, is not construed as limiting the invention.

Based on this, provide multiple implementation in the embodiment of the invention:

Mode one:

The power bias of subscriber equipment calculates according to the maximum transmission power of user device hardware support.The difference of subscriber equipment, the maximum transmission power of the transmission data of its hardware supports are also different, and each brand manufacturers can produce the subscriber equipment of different capacity as required.The base station is that subscriber equipment carries out initiatively obtaining the maximum transmission power that subscriber equipment sends the hardware supports of data in the mutual process, also can require the maximum transmission power of user equipment to report self hardware supports.

Mode two:

Be appreciated that in the embodiment of the invention that the power bias of described subscriber equipment can also be the maximum transmission power calculating according to the user class correspondence.For example: the general family of mobile global is set up higher power, and M-ZONE or walk in the Divine Land user are provided with lower power.

No matter user's maximum transmission power is the maximum transmission power (mode one) of the actual support of hardware or the maximum transmission power (mode two) of the user class correspondence that the base station is provided with, its computational process all can be in the following way, concrete account form is not construed as limiting the invention as just for example.

The maximum transmission power and the base station of calculating subscriber equipment are the difference of the cell-level maximum transmission power of whole sub-district setting;

ΔP _max＝P _max-P _{max_NOMINAL}

Calculate the power bias of subscriber equipment:

In the present embodiment, α SINR _{O_UE}Can be set to definite value by the base station, not consider user's difference.

Mode three: use the demand of different business to power in order to satisfy the user, the power bias of described subscriber equipment also uses professional business to guarantee that speed calculates according to described subscriber equipment, specifically comprises:

Use professional business to guarantee speed according to described subscriber equipment, calculate the bit number MPR of each up RB transmission of this subscriber equipment _UE

${\mathrm{MPR}}_{\mathrm{UE}}=\frac{0.001\·({\mathrm{GBR}}_1+\·\·\·+{\mathrm{GBR}}_n-{\mathrm{GBR}}_{\min })}{2M_o\·N_{\mathrm{sc}}^{\mathrm{RB}}\·N_{\mathrm{symb}}^{\mathrm{UL}}};$

Described GBR ₁+ ... + GBR _nBe that subscriber equipment uses professional business to guarantee speed, described GBR _MinBe the minimum bit rate that guarantees in sub-district, because at the above-mentioned P that carries out _{O_NOMINAL_PUSCH}In the computational process, SINR _{O_NOMINAL}Considered GBR _MinInfluence, therefore in this formula with GBR _MinDeduct.

Calculate described user's Signal Interference and Noise Ratio increment SINR according to the bit number of described each up RE transmission _{O_UE}

${\mathrm{SINR}}_{o\_\mathrm{UE}}=10{\log }_{10}(2^{{\mathrm{MPR}}_{\mathrm{UE}}*1.25}-1)$

Power bias according to the described user of described Signal Interference and Noise Ratio incremental computations

In the above-mentioned formula, the implication of each parametric variable is as follows:

GBR ₁..., GBR _nRepresent QCI respectively ₁..., QCI _nCorresponding service assurance speed (GuaranteedBit Rate, GBR);

GBR _Min: expression is the minimum bit rate that guarantees in sub-district;

The bit number of each up RE transmission of MPR:UE;

Sub-carrier number on RB;

PUSCH symbol numbers on RB.

Be appreciated that in embodiments of the present invention, can consider simultaneously that also professional assurance speed and user's maximum transmission power carry out the calculating of user's bias power.

Be illustrated below, the formula in this example only as a kind of specific implementation that realizes this function, is not construed as limiting the invention.

P _{O_UE_PUSCH}Expression formula be:

Wherein: ${\mathrm{SINR}}_{o\_\mathrm{UE}}=10{\log }_{10}(2^{{\mathrm{MPR}}_{\mathrm{UE}}*1.25}-1)$

${\mathrm{MPR}}_{\mathrm{UE}}=\frac{0.001\·({\mathrm{GBR}}_1+\·\·\·+{\mathrm{GBR}}_n-{\mathrm{GBR}}_{\min })}{2M_o\·N_{\mathrm{sc}}^{\mathrm{RB}}\·N_{\mathrm{symb}}^{\mathrm{UL}}}$

ΔP _max＝P _max-P _{max_NOMINAL}

From P _{O_UE_PUSCH}Expression formula as can be seen, Δ P _MaxAnd SINR _{O_UE}Decision P _{O_UE_PUSCH}Variation.Δ P _MaxMaximum transmission power and P for UE _{Max_NOMINAL}Difference, be used for representing the difference between the different user.Δ P _MaxBig more, show that the ability of UE is strong more, just can give this user bigger power during base station assigns.In addition, at SINR _{O_UE}Be provided with, taken into full account the demand of user different business.To different business (can identify), use the different bit rates that guarantees that the P of each UE is set with QCI _{O_UE_PUSCH}

The P here _MaxCan be the maximum transmission power of the hardware supports of subscriber equipment, also can be the maximum transmission power of the user class correspondence of base station configuration.

A3, the power when the signal of expecting that described subscriber equipment sends in the base station being set arriving the base station according to the power bias of the cell-level of described base station expectation power and subscriber equipment.

P _{o_PUSCH}＝P _{o_NOMINAL_PUSCH}+P _{o_UE_PUSCH}

In the present embodiment, with P _{O_PUSCH}Separated into two parts calculates, i.e. P _{O_NOMINAL_PUSCH}And P _{O_UE_PUSCH}

P _{O_NOMINAL_PUSCH}Be for user device configuration all in the sub-district, and P _{O_UE_PUSCH}Be to be user configured power bias separately,, satisfy the demand of different user devices, such as rate requirement and business demand to realize the differentiation configuration of different UEs according to user personality.

Embodiment three, a kind of power distribution method comprise:

B1 obtains the cell-level expectation power that the base station is provided with;

B2, the power bias of calculating subscriber equipment;

The power bias of described subscriber equipment calculates according to the business of UE capability and use.

B3, the power when the base station being set expecting that the signal of the transmission of described subscriber equipment arrives the base station according to the power bias of the cell-level of described base station expectation power and subscriber equipment;

B4, the power setting subscriber equipment Uplink Shared Channel power the when signal of expecting the transmission of described subscriber equipment according to described base station arrives the base station.

P _PUSCH＝min{P _max，10log?M+P _{o_PUSCH}+α·PL+Δ _TF(TF)+f}

As can be seen, P _{O_PUSCH}, (Path Loss PL) is the important parameter of the transmitting power of decision PUSCH for α and path loss.

Wherein:

P _{O_PUSCH}: the power when promptly the base station expects that signal that described subscriber equipment sends arrives the base station;

The transmission bandwidth of M:PUSCH;

P _Max: the maximum transmission power of expression UE;

The downlink path loss that PL:UE measures;

Δ _TF(TF): the power difference that the selection of different modulating coded system produces;

F:PUSCH closed power adjusted value.

In the embodiment of the invention, the base station is calculating P _{O_PUSCH}After, then can be according to P _{O_PUSCH}Calculate the Physical Uplink Shared Channel power of subscriber equipment, and the Physical Uplink Shared Channel power that calculates is sent to the user, the user then can send data according to the Physical Uplink Shared Channel power of described calculating.

By in the formula as can be seen, user's Uplink Shared Channel power can also calculate with reference to other factors, as path loss (PL), the power back-off factor, and other parameters can measure according to the actual conditions of network or as required configuration obtain.

The embodiment of the invention three is on the basis of embodiment two, by the P that calculates _{O_PUSCH}Power is provided with the transmitting power of subscriber equipment, has realized the otherness control of base station to the subscriber equipment transmitted power.

One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to finish by program, this program can be stored in the computer-readable recording medium, and storage medium can comprise: ROM, RAM, disk or CD etc.

Embodiment four, a kind of power configuration device, structural representation comprises as shown in Figure 3:

First module 310 is used to obtain cell-level expectation power;

Second unit 320 is used to calculate the power bias of subscriber equipment;

The 3rd unit 330 is used for according to the cell-level expectation power of described base station and the power bias of subscriber equipment P being set _{O_PUSCH}

Be appreciated that in the present embodiment and can also comprise: Unit the 4th is used for the P that is provided with according to the power configuration device _{O_PUSCH}, the transmitting power of UE Uplink Shared Channel is set.

Power configuration device described in the present embodiment can be the device that base station, base station controller etc. can carry out power configuration, the perhaps sub-device of base station, base station controller inside.

Embodiment five, a kind of power configuration device, and structural representation comprises as shown in Figure 4:

First module 410 is used to obtain the cell-level expectation power that the base station is provided with;

Second unit 420 is used to calculate the power bias of subscriber equipment;

The 3rd unit 430 is used for according to the cell-level expectation power of described base station and the power bias of subscriber equipment P being set _{O_PUSCH}

Described first module 410 can comprise:

The second parameter acquiring subelement 411 is used to obtain the desired Signal Interference and Noise Ratio that reaches of power configuration device, interference noise IN value and cell-level maximum transmission power;

The 3rd computation subunit 412 is used for the desired Signal Interference and Noise Ratio that reaches of power configuration device, interference noise IN value and the cell-level maximum transmission power that obtain according to the described second parameter acquiring subelement, calculates described cell-level expectation power;

First module can also comprise:

Judgment sub-unit 413, whether the difference that is used for regularly judging the interference noise IN value of current network and IN fiducial value exceeds is preset thresholding;

Upgrade subelement 414, be used for when the judged result of described judgment sub-unit when being, trigger described second parameter acquiring subelement and described the 3rd computation subunit, recomputate cell-level according to current I N value and expect power.

Power configuration device described in the present embodiment can be the device that base station, base station controller etc. can carry out power configuration.

Described second unit 420 comprises:

The first parameter acquiring subelement 421, being used to obtain the power configuration device is cell-level UE maximum transmission power and the UE maximum transmission power that whole sub-district is provided with, the maximum transmission power of described UE is the pairing maximum transmission power of UE ability, or the power configuration device is according to the set maximum transmission power of the user class of UE;

First computation subunit 422 is used for the maximum transmission power of the UE that obtains according to the described first parameter acquiring subelement and the difference of described cell-level maximum transmission power, the power when the rated output inking device expects that signal that described UE sends arrives the base station.

Described second unit 420 can also comprise:

The professional speed that guarantees obtains subelement 423, is used to obtain the business assurance speed of UE current business;

Second computation subunit 424 is used for guaranteeing speed according to the described professional business of the UE current business that speed acquisition subelement obtains that guarantees, calculates the power bias of UE.

Embodiment six, and a kind of power configuration system comprises the foregoing description four or embodiment five described power configuration devices, and the subscriber equipment of communicating by letter with described power configuration device.

Power configuration device that the embodiment of the invention provides and power configuration system can move but be not limited to move the embodiment of the invention one to four described power distribution method.

The above embodiment of the present invention generally can be applied to LTE or enhancing (LTE+) communication system, is appreciated that the foregoing description can be applied to the communication system that other have similar structure equally, and the concrete system that uses is not construed as limiting the invention.

More than power distribution method and base station that the embodiment of the invention provided are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.

Claims (15)

1, a kind of power distribution method is characterized in that, comprising:

Obtain cell-level expectation power;

Calculate the power bias of user equipment (UE);

According to the power bias of the cell-level of described base station expectation power and UE, the power when the signal of expecting that described UE sends in the base station being set arriving the base station.

2, the method for claim 1, it is characterized in that, the power bias of described UE calculates according to the maximum transmission power of described UE, and the maximum transmission power of described UE is the pairing maximum transmission power of UE ability, or the base station is according to the set maximum transmission power of the user class of UE;

The process that described maximum transmission power according to described UE calculates the power bias of UE comprises:

Obtaining the base station is the cell-level maximum transmission power of whole sub-district setting and the maximum transmission power of UE;

According to the difference of actual maximum transmission power and the described cell-level maximum transmission power of described UE, calculate the power bias of described UE.

3, method as claimed in claim 2 is characterized in that, the power bias that calculates described UE according to the difference of the maximum transmission power of described UE and described cell-level maximum transmission power specifically comprises:

Calculate the maximum transmission power of UE and the difference DELTA P of described cell-level maximum transmission power _Max

Calculate the power bias P of UE _{O_UE_PUSCH}

Wherein:

α: part compensating factor in the control of expression PUSCH power;

Δ P _Max: the maximum transmission power of expression UE and the difference of described cell-level maximum transmission power;

SINR _{O_UE}Signal Interference and Noise Ratio increment for the user.

4, the method for claim 1 is characterized in that, the power bias of described UE uses professional business to guarantee that speed calculates according to described UE.

5, method as claimed in claim 4 is characterized in that, uses professional business to guarantee the power bias of the described UE of rate calculations according to described UE, specifically comprises:

The business of using according to described UE guarantees the bit number that each ascending resource piece RE of this UE of rate calculations transmits;

Calculate described user's Signal Interference and Noise Ratio increment according to the bit number of described each the ascending resource piece RE transmission that calculates;

Power bias according to the described user of described Signal Interference and Noise Ratio incremental computations.

6, the method for claim 1 is characterized in that, also comprises: according to the desired Signal Interference and Noise Ratio that reaches in base station, interference noise IN value and cell-level maximum transmission power, calculate described cell-level expectation power.

7, method as claimed in claim 6 is characterized in that, further comprises:

Whether the difference of regularly judging the interference noise IN value of current network and IN fiducial value exceeds is preset thresholding; If then recomputate cell-level expectation power according to current I N value.

8, as any described method of claim 1 to 7, it is characterized in that, also comprise:

Power when expecting that according to described base station signal that described UE sends arrives the base station is provided with the transmitting power of UE Uplink Shared Channel.

9, method as claimed in claim 8 is characterized in that, described base station is the enhancing base station eNB of Long Term Evolution plan LTE system, and described Uplink Shared Channel is Physical Uplink Shared Channel PUSCH.

10, a kind of power configuration device is characterized in that, comprising:

First module is used to obtain cell-level expectation power;

Unit second is used to calculate the power bias of UE;

Unit the 3rd is used for the power bias of the UE that calculates in the described cell-level expectation power that obtains according to described first module and described Unit second, the power when signal that the power configuration device expects that described UE sends being set arriving the base station.

11, power configuration device as claimed in claim 10 is characterized in that, described Unit second comprises:

The first parameter acquiring subelement, being used to obtain the power configuration device is cell-level UE maximum transmission power and the UE maximum transmission power that whole sub-district is provided with, the maximum transmission power of described UE is the pairing maximum transmission power of UE ability, or the power configuration device is according to the set maximum transmission power of the user class of UE;

First computation subunit is used for the maximum transmission power of the UE that obtains according to the described first parameter acquiring subelement and the difference of described cell-level maximum transmission power, the power when the rated output inking device expects that signal that described UE sends arrives the base station.

12, power configuration device as claimed in claim 10 is characterized in that, described Unit second comprises:

The professional speed that guarantees obtains subelement, is used to obtain the business assurance speed of UE current business;

Second computation subunit is used for guaranteeing speed according to the described professional business of the UE current business that speed acquisition subelement obtains that guarantees, calculates the power bias of UE.

13, power configuration device as claimed in claim 10 is characterized in that, described first module comprises:

The second parameter acquiring subelement is used to obtain the desired Signal Interference and Noise Ratio that reaches of power configuration device, interference noise IN value and cell-level maximum transmission power;

The 3rd computation subunit is used for the desired Signal Interference and Noise Ratio that reaches of power configuration device, interference noise IN value and the cell-level maximum transmission power that obtain according to the described second parameter acquiring subelement, calculates described cell-level expectation power.

14, power configuration device as claimed in claim 13 is characterized in that, described first module also comprises:

Judgment sub-unit, whether the difference that is used for regularly judging the interference noise IN value of current network and IN fiducial value exceeds is preset thresholding;

Upgrade subelement, be used for when the judged result of described judgment sub-unit when being, trigger described second parameter acquiring subelement and described the 3rd computation subunit, recomputate cell-level according to current I N value and expect power.

15, a kind of power configuration system is characterized in that, comprise as each described power configuration device of claim 10 to 14, and the user equipment (UE) of communicating by letter with described power configuration device.

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