CN106060918A - Power control method and base station - Google Patents
Power control method and base station Download PDFInfo
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- CN106060918A CN106060918A CN201610405230.5A CN201610405230A CN106060918A CN 106060918 A CN106060918 A CN 106060918A CN 201610405230 A CN201610405230 A CN 201610405230A CN 106060918 A CN106060918 A CN 106060918A
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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
- H04W52/18—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 embodiment of the invention discloses a power control method. The power control method is used for solving the problem in the prior art that the false detection rate of a CQI (Channel Quality Indicator) and a RANK in a PUCCH (Physical Uplink Control Channel) is high, and by performing power control on the PUCCH, the false detection rate of the CQI and RANK can be reduced, thereby improving the network performance of LTE (Long Term Evolution). The method of the embodiment of the invention comprises the steps of determining the physical uplink control channel PUCCH by a base station; determining an actual signal-to-noise ratio of the PUCCH and a target signal-to-noise ratio of the PUCCH by the base station; if the actual signal-to-noise ratio is less than the target signal-to-noise ratio, then determining a power control word of the PUCCH by the base station according to the target signal-to-noise ratio; and transmitting the power control word to UE (User Equipment) by the base station, so as to allow the UE to control the transmitting power of the PUCCH according to the power control word.
Description
Technical field
The present invention relates to the communications field, be specifically related to a kind of Poewr control method and base station.
Background technology
Analyzing Long Term Evolution (English full name: Long Term Evolution, abbreviation: during the measured data of LTE) system
Find, Physical Uplink Control Channel (English full name: Physical uplink control channel, abbreviation: PUCCH) deposit
CQI) and the false drop rate of order (RANK) in channel quality instruction (English full name: ChannelQuality Indicator, abbreviation:
Height, and the problem of expected design grave fault, thus network performance is produced significant impact, and as shown in table 1 below, the target of CQI
False drop rate is 1%, and actual false drop rate is 25.86%, and the target false drop rate of RANK is 0.1%, and actual false drop rate is 5.96%.
| Classification | Sample number | Flase drop number | Actual false drop rate | Target false drop rate |
| CQI | 9366 | 2422 | 25.86% | 1% |
| RANK | 604 | 36 | 5.96% | 0.1% |
Table 1
PUCCH in LTE system is based only on signal to noise ratio (the English full name: Signal to of Format1a/1b at present
Interference plus Noise Ratio, abbreviation: SINR) carry out power control, Fig. 1 is that the LTE experimental network that test gathers is surveyed
Examination data statistics figure, it can be seen that interference ratio Format1a/1b big 4～15dB on Format2x, although
The SINR of Format1a/1b has had converged to desired value (the SINR Target of Format1a is 16dB, immobilizes), but
Be due to Format2x and Format1a/1b between interference uneven, cause the SINR of Format2x substantially at about 0dB, and
Normally should be at about 7dB.Cause CQI and RANK flase drop to a certain extent, thus affect the network performance of LTE.
Summary of the invention
Embodiments provide a kind of Poewr control method, be used for solving prior art exists in PUCCH CQI and
The problem that RANK false drop rate is high, by PUCCH carries out power control, reduces the false drop rate of CQI and RANK, thus improves the net of LTE
Network performance.
First aspect present invention provides a kind of Poewr control method, including: base station determines Physical Uplink Control Channel
PUCCH；Described base station determines actual signal to noise ratio and the target signal to noise ratio of described PUCCH of described PUCCH；If described actual letter
Ratio of making an uproar is less than described target signal to noise ratio, and described base station determines the power control word of described PUCCH according to described target signal to noise ratio；Institute
State base station and described power control word is sent to user equipment (UE), so that described UE controls according to described power control word described
The transmitting power of PUCCH.
Unlike the prior art, after base station determines PUCCH, further determine that the actual signal to noise ratio of described PUCCH with
And the target signal to noise ratio of described PUCCH, if described actual signal to noise ratio is less than described target signal to noise ratio, then according to described target signal
Than the power control word determining described PUCCH；And described power control word is sent to user equipment (UE), so that described UE root
The transmitting power of described PUCCH is controlled according to described power control word.Visible, determine power control word according to the signal to noise ratio of PUCCH,
This power control word, for controlling the transmitting power of PUCCH, reduces the false drop rate of CQI and RANK, thus improves the internetworking of LTE
Energy.
In the implementation that some are possible, described base station determines that the actual signal to noise ratio of described PUCCH includes: described base station
Obtain the data on described PUCCH；Described base station determines described actual signal to noise ratio by processing the data on described PUCCH.
Base station is by obtaining the data on PUCCH, and processes the data on PUCCH, so that it is determined that the reality of PUCCH
Border signal to noise ratio, such as: first obtain the data on PUCCH, and the data on PUCCH are demodulated, after by the data after demodulation
To medium education, (English full name: MediumAccess Control, abridges: MAC) dispatch layer, and carries out multiple tune in input
Spend the filtering in cycle, rear this actual signal to noise ratio that exports, thus improve and obtain the accuracy determining this actual signal to noise ratio.
In the implementation that other are possible, described base station determines that the target signal to noise ratio of described PUCCH includes: described base
Functional relationship between the bit error rate and the signal to noise ratio that obtain described PUCCH of standing and the target error rate of described PUCCH；Described base
The target error rate of the functional relationship between the bit error rate according to described PUCCH and signal to noise ratio and described PUCCH of standing determines institute
State target signal to noise ratio.
Visible, by the functional relationship between the bit error rate and the signal to noise ratio of acquisition PUCCH, then this target error rate is substituted into
In this functional relationship, so that it is determined that this target signal to noise ratio.Visible, the functional relationship between the bit error rate and the signal to noise ratio of PUCCH is
Constant, each bit error rate has the signal to noise ratio of correspondence according to this functional relationship.
In the implementation that other are possible, described base station determines the merit of described PUCCH according to described target signal to noise ratio
Rate control word includes: described base station obtains the functional relationship between signal to noise ratio and the power control word of described PUCCH；Described base station
The functional relationship between signal to noise ratio and power control word and described target signal to noise ratio according to described PUCCH determine described power
Control word.
Visible, by the functional relationship between signal to noise ratio and the power control word of acquisition PUCCH, then by target signal to noise ratio generation
Enter in this functional relationship, so that it is determined that this power control word.Visible, between signal to noise ratio and the power control word of PUCCH function
Relation is constant, as long as given signal to noise ratio, then can determine that power control word, and this power control word is for controlling sending out of PUCCH
Penetrate power, reduce the false drop rate of CQI and RANK, thus improve the network performance of LTE.
In the implementation that other are possible, described PUCCH includes Format2, in Format2a, Format2b extremely
Few a kind of form.
Visible, the form of PUCCH has a variety of, and in the implementation that some are possible, PUCCH includes Format2*x lattice
Formula, wherein, x is 1 or a or b etc., for existing Format2*x form, only includes Format2, Format2a,
At least one form in Format2b.
Second aspect present invention provides a kind of base station, and described base station is configured to realize above-mentioned first aspect or first aspect
The function of method that provided of any one possible implementation, hardware/software realize, its hardware/software include with
The corresponding unit of above-mentioned functions.
Accompanying drawing explanation
Fig. 1 is LTE experimental network test data statistics figure in prior art；
Fig. 2 is a system construction drawing of Poewr control method in the embodiment of the present invention；
Fig. 3 is a structural representation of base station in the embodiment of the present invention；
Fig. 4 is an embodiment schematic diagram of Poewr control method in the embodiment of the present invention；
Fig. 5 a is an embodiment schematic diagram of data flow in the embodiment of the present invention；
Fig. 5 b is a scene schematic diagram of Poewr control method in the embodiment of the present invention；
Fig. 6 is another structural representation of base station in the embodiment of the present invention.
Detailed description of the invention
Embodiments provide a kind of Poewr control method, be used for solving prior art exists in PUCCH CQI and
The problem that RANK false drop rate is high, by PUCCH carries out power control, reduces the false drop rate of CQI and RANK, thus improves the net of LTE
Network performance.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, the every other enforcement that those skilled in the art are acquired under not making creative work premise
Example, broadly falls into the scope of protection of the invention.
Refer to Fig. 2, for the system framework figure related in the embodiment of the present invention, in the system involved by the embodiment of the present invention
Including base station and subscriber equipment, (base station is for descending to UE transmission for English full name: User Equipment, abbreviation: UE), wherein
Data, UE for transmitting upstream data to base station.In embodiments of the present invention, described UE can be include mobile phone, panel computer,
PDA), the arbitrarily terminal such as vehicle-mounted computer personal digital assistant (English full name: Personal Digital Assistant, abbreviation:
Equipment.
Fig. 3 is the structural representation of a kind of base station that the embodiment of the present invention provides, and this base station 300 can because of configuration or performance not
With and produce bigger difference, one or more processors 301 and memorizer 302 and one or one can be included
Above transmission unit 303.Wherein, memorizer 302 can be of short duration storage or persistently store, and memorizer 302 storage has computer
Instruction.Further, mutual by bus between described memorizer 302, described processor 301 and described transmission unit 303
It is connected, processor 301 performs the series of computation machine command operating in memorizer 302.Base station 300 can also include one
Individual or more than one power supply 304.
Wherein, described processor 301 is used for determining Physical Uplink Control Channel PUCCH；And determine the reality of described PUCCH
Signal to noise ratio and the target signal to noise ratio of described PUCCH；
Described processor 301 is additionally operable to the size of actual signal to noise ratio described in comparison and described target signal to noise ratio, if described reality
Border signal to noise ratio is less than described target signal to noise ratio, determines the power control word of described PUCCH according to described target signal to noise ratio；
Described transmission unit 303, for described power control word is sent to user equipment (UE) so that described UE according to
Described power control word controls the transmitting power of described PUCCH.
In the implementation that some are possible, described processor 301 is specifically for obtaining the data on described PUCCH；Logical
Cross the data processed on described PUCCH and determine described actual signal to noise ratio.
In the implementation that other are possible, described processor 301 specifically for obtain described PUCCH the bit error rate with
Functional relationship between signal to noise ratio and the target error rate of described PUCCH；The bit error rate according to described PUCCH and signal to noise ratio it
Between functional relationship and the target error rate of described PUCCH determine described target signal to noise ratio.
In the implementation that other are possible, described processor 301 specifically for obtain described PUCCH signal to noise ratio with
Functional relationship between power control word；The functional relationship between signal to noise ratio and power control word according to described PUCCH and
Described target signal to noise ratio determines described power control word.
Visible, by the functional relationship between signal to noise ratio and the power control word of acquisition PUCCH, then by target signal to noise ratio generation
Enter in this functional relationship, so that it is determined that this power control word.Visible, between signal to noise ratio and the power control word of PUCCH function
Relation is constant, as long as given signal to noise ratio, then can determine that power control word, and this power control word is for controlling sending out of PUCCH
Penetrate power, reduce the false drop rate of CQI and RANK, thus improve the network performance of LTE.
Refer to Fig. 4, an embodiment schematic diagram of Poewr control method in the embodiment of the present invention, idiographic flow is as follows:
Step 401, base station determine Physical Uplink Control Channel PUCCH.
In the implementation that some are possible, described PUCCH includes Format2, in Format2a, Format2b at least
A kind of form.
In actual applications, as shown in Figure 5 a, after base station receives the upstream data that UE sends, data are carried out channel and divides
From, thus isolate the data on PUCCH, in order to the follow-up actual signal to noise ratio determining PUCCH, such as: UE passes through MAC and physics
Layer (English full name: Physical Layer, abbreviation: PHY) by the PHY of transmitting uplink data to base station.
Step 402, described base station determine actual signal to noise ratio and the target signal to noise ratio of described PUCCH of described PUCCH.
In the implementation that some are possible, described base station determines that the actual signal to noise ratio of described PUCCH includes: described base station
Obtain the data on described PUCCH；Described base station determines described actual signal to noise ratio by processing the data on described PUCCH.
In actual applications, the data on the PUCCH obtained first are demodulated and measure by base station, by the data after demodulation
Being uploaded to the MAC dispatch layer of base station, MAC dispatch layer was filtered by multiple dispatching cycles, so that it is determined that this actual signal to noise ratio.
In the implementation that some are possible, described base station determines that the target signal to noise ratio of described PUCCH includes: described base station
Obtain the functional relationship between the bit error rate and the signal to noise ratio of described PUCCH and the target error rate of described PUCCH；Described base station
The functional relationship between the bit error rate and signal to noise ratio and the target error rate of described PUCCH according to described PUCCH determine described
Target signal to noise ratio.
Visible, by the functional relationship between the bit error rate and the signal to noise ratio of acquisition PUCCH, then this target error rate is substituted into
In this functional relationship, so that it is determined that this target signal to noise ratio.Visible, the functional relationship between the bit error rate and the signal to noise ratio of PUCCH is
Constant, each bit error rate has the signal to noise ratio of correspondence according to this functional relationship.
Step 403, base station judge that whether described actual signal to noise ratio is less than described target signal to noise ratio；If so, step is performed
404, otherwise terminate flow process.
If this actual signal to noise ratio is less than this target signal to noise ratio, then need to determine the power of PUCCH according to this target signal to noise ratio
Control word, otherwise, then terminates flow process.
Step 404, described base station determine the power control word of described PUCCH according to described target signal to noise ratio.
In the implementation that some are possible, described base station determines the power of described PUCCH according to described target signal to noise ratio
Control word includes: described base station obtains the functional relationship between signal to noise ratio and the power control word of described PUCCH；Described base station root
Described power control is determined according to the functional relationship between signal to noise ratio and the power control word of described PUCCH and described target signal to noise ratio
Word processed.
Visible, by the functional relationship between signal to noise ratio and the power control word of acquisition PUCCH, then by target signal to noise ratio generation
Enter in this functional relationship, so that it is determined that this power control word.Visible, between signal to noise ratio and the power control word of PUCCH function
Relation is constant, as long as given signal to noise ratio, then can determine that power control word, and this power control word is for controlling sending out of PUCCH
Penetrate power, reduce the false drop rate of CQI and RANK, thus improve the network performance of LTE.
Described power control word is sent to user equipment (UE) by step 405, described base station.
Step 406, described UE control the transmitting power of described PUCCH according to described power control word.
Visible, by the functional relationship between signal to noise ratio and the power control word of acquisition PUCCH, then by target signal to noise ratio generation
Enter in this functional relationship, so that it is determined that this power control word.Visible, between signal to noise ratio and the power control word of PUCCH function
Relation is constant, as long as given signal to noise ratio, then can determine that power control word, and this power control word is for controlling sending out of PUCCH
Penetrate power, reduce the false drop rate of CQI and RANK, thus improve the network performance of LTE.
As shown in Figure 5 b, in actual applications, after base station receives the upstream data that UE sends, to these upstream data data
Carry out channel separation, thus isolate the data on PUCCH, further, base station by the data on PUCCH are demodulated with
Measuring, the data after demodulation are uploaded to the MAC dispatch layer of base station, MAC dispatch layer was filtered by multiple dispatching cycles, will
Exporting actual signal to noise ratio (FiltedSINR), the MAC dispatch layer of base station is entered with target error rate by the actual bit error rate of PUCCH
Row compares, and utilizes the functional relationship between the bit error rate and signal to noise ratio and target error rate output target by algoritic module one
Signal to noise ratio (SinrTarget), further, FiltedSINR and SinrTarget is input to algoritic module two by the MAC of base station
In, algoritic module two utilizes the power control word of the functional relationship output PUCCH between signal to noise ratio and power control word, enters one
Step, this power control word is sent to after UE, UE parse this power control word by down channel by base station, by this power control
The transmitting power of the whole PUCCH of the tone of Chinese characters processed, concrete adjustment process is: after UE receives this power control word, controlled by this power
Word is converted into power contorl parameters, and this power contorl parameters is set to send the power level of signal.
For ease of preferably implementing the above-mentioned correlation technique of the embodiment of the present invention, it is also provided below for coordinating said method
Relevant apparatus.
Referring to Fig. 6, another structural representation of base station 600 in the embodiment of the present invention, described base station 600 includes: really
Cover half block 601, comparison module 602, sending module 603.
Determine module 601, be used for determining Physical Uplink Control Channel PUCCH；
Described determine module 601, be additionally operable to determine the target letter of the actual signal to noise ratio of described PUCCH and described PUCCH
Make an uproar ratio；
Comparison module 602, for the size of relatively described actual signal to noise ratio with described target signal to noise ratio；
Described determine module 601, if being additionally operable to described actual signal to noise ratio less than described target signal to noise ratio, according to described target
Signal to noise ratio determines the power control word of described PUCCH；
Sending module 603, for being sent to user equipment (UE) by described power control word, so that described UE is according to described
Power control word controls the transmitting power of described PUCCH.
In the implementation that some are possible, described determine that module 601 is specifically for obtaining the data on described PUCCH；
Described actual signal to noise ratio is determined by processing the data on described PUCCH.
In the implementation that other are possible, described determine module 601 specifically for obtain described PUCCH the bit error rate
And the functional relationship between signal to noise ratio and the target error rate of described PUCCH；The bit error rate according to described PUCCH and signal to noise ratio
Between functional relationship and the target error rate of described PUCCH determine described target signal to noise ratio.
In the implementation that other are possible, described determine module 601 specifically for obtain described PUCCH signal to noise ratio
And the functional relationship between power control word；The functional relationship between signal to noise ratio and power control word according to described PUCCH with
And described target signal to noise ratio determines described power control word.
In the implementation that other are possible, described PUCCH includes Format2, in Format2a, Format2b extremely
Few a kind of form.
A kind of possible implementation, sending module can be software module, can perform in the transmission unit of base station,
Determine that module and comparison module can also be software modules, it is possible to perform in the processor of computer system, it is also possible to be special
Fixed integrated circuit.
It should be noted that the base station shown in Fig. 6 may correspond to the base station in embodiment of the method shown in Fig. 4, and base station
In above and other operation of unit and/or function respectively in order to realize the corresponding flow process of method shown in Fig. 3, for letter
Clean, do not repeat them here.
To sum up, by the functional relationship between signal to noise ratio and the power control word of acquisition PUCCH, then by target signal to noise ratio generation
Enter in this functional relationship, so that it is determined that this power control word.Visible, between signal to noise ratio and the power control word of PUCCH function
Relation is constant, as long as given signal to noise ratio, then can determine that power control word, and this power control word is for controlling sending out of PUCCH
Penetrate power, reduce the false drop rate of CQI and RANK, thus improve the network performance of LTE.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and the system of foregoing description,
The specific works process of device and unit, is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method are permissible
Realize by another way.Such as, device embodiment described above is only schematically, such as, and described unit
Dividing, be only a kind of logic function and divide, actual can have other dividing mode, the most multiple unit or assembly when realizing
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or
The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the present embodiment scheme
's.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated list
Unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part that in other words prior art contributed or this technical scheme completely or partially can be with the form of software product
Embodying, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or the network equipment etc.) performs the complete of method described in each embodiment of the present invention
Portion or part steps.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although with reference to front
State embodiment the present invention has been described in detail, it will be understood by those within the art that: it still can be to front
State the technical scheme described in each embodiment to modify, or wherein portion of techniques feature is carried out equivalent；And these
Amendment or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (14)
1. a Poewr control method, it is characterised in that including:
Base station determines Physical Uplink Control Channel PUCCH；
Described base station determines actual signal to noise ratio and the target signal to noise ratio of described PUCCH of described PUCCH；
If described actual signal to noise ratio is less than described target signal to noise ratio, described base station determines described according to described target signal to noise ratio
The power control word of PUCCH；
Described power control word is sent to user equipment (UE) by described base station, so that described UE is according to described power control word control
Make the transmitting power of described PUCCH.
Method the most according to claim 1, it is characterised in that described base station determines the actual signal to noise ratio bag of described PUCCH
Include:
Described base station obtains the data on described PUCCH；
Described base station determines described actual signal to noise ratio by processing the data on described PUCCH.
Method the most according to claim 1, it is characterised in that described base station determines the target signal to noise ratio bag of described PUCCH
Include:
Described base station obtains the target of the functional relationship between the bit error rate and the signal to noise ratio of described PUCCH and described PUCCH by mistake
Code check；
Described base station is missed according to the target of the functional relationship between the bit error rate and the signal to noise ratio of described PUCCH and described PUCCH
Code check determines described target signal to noise ratio.
Method the most according to claim 1, it is characterised in that described base station determines described according to described target signal to noise ratio
The power control word of PUCCH includes:
Described base station obtains the functional relationship between signal to noise ratio and the power control word of described PUCCH；
Described base station is according to the functional relationship between signal to noise ratio and the power control word of described PUCCH and described target signal to noise ratio
Determine described power control word.
5. according to the method described in any one of claim 1 to 5, it is characterised in that described PUCCH includes Format2,
At least one form in Format2a, Format2b.
6. a base station, it is characterised in that including:
Determine module, be used for determining Physical Uplink Control Channel PUCCH；
Described determine module, be additionally operable to determine the actual signal to noise ratio of described PUCCH and the target signal to noise ratio of described PUCCH；
Comparison module, for the size of relatively described actual signal to noise ratio with described target signal to noise ratio；
Described determine module, if being additionally operable to described actual signal to noise ratio less than described target signal to noise ratio, according to described target signal to noise ratio
Determine the power control word of described PUCCH；
Sending module, for being sent to user equipment (UE) by described power control word, so that described UE is according to described power control
Word processed controls the transmitting power of described PUCCH.
Base station the most according to claim 6, it is characterised in that described determine that module is specifically for obtaining on described PUCCH
Data；Described actual signal to noise ratio is determined by processing the data on described PUCCH.
Base station the most according to claim 6, it is characterised in that described determine that module is specifically for obtaining described PUCCH
Functional relationship between the bit error rate and signal to noise ratio and the target error rate of described PUCCH；The bit error rate according to described PUCCH with
Functional relationship and the target error rate of described PUCCH between signal to noise ratio determine described target signal to noise ratio.
Base station the most according to claim 6, it is characterised in that described determine that module is specifically for obtaining described PUCCH
Functional relationship between signal to noise ratio and power control word；The function between signal to noise ratio and power control word according to described PUCCH
Relation and described target signal to noise ratio determine described power control word.
10. according to the base station described in any one of claim 6 to 9, it is characterised in that described PUCCH includes Format2,
At least one form in Format2a, Format2b.
11. 1 kinds of base stations, it is characterised in that described base station includes: memorizer, processor, transmission unit, described memorizer, institute
Stating and interconnected by bus between processor and described transmission unit, in described memorizer, storage has computer instruction；Its
In,
Described processor is used for determining Physical Uplink Control Channel PUCCH；And determine actual signal to noise ratio and the institute of described PUCCH
State the target signal to noise ratio of PUCCH；
Described processor is additionally operable to the size of actual signal to noise ratio described in comparison and described target signal to noise ratio, if described actual signal to noise ratio
Less than described target signal to noise ratio, determine the power control word of described PUCCH according to described target signal to noise ratio；
Described transmission unit, for being sent to user equipment (UE) by described power control word, so that described UE is according to described merit
Rate control word controls the transmitting power of described PUCCH.
12. base stations according to claim 11, it is characterised in that described processor is specifically for obtaining on described PUCCH
Data；Described actual signal to noise ratio is determined by processing the data on described PUCCH.
13. base stations according to claim 11, it is characterised in that described processor is specifically for obtaining described PUCCH's
Functional relationship between the bit error rate and signal to noise ratio and the target error rate of described PUCCH；The bit error rate according to described PUCCH with
Functional relationship and the target error rate of described PUCCH between signal to noise ratio determine described target signal to noise ratio.
14. base stations according to claim 11, it is characterised in that described processor is specifically for obtaining described PUCCH's
Functional relationship between signal to noise ratio and power control word；The function between signal to noise ratio and power control word according to described PUCCH
Relation and described target signal to noise ratio determine described power control word.
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| CN106060918B (en) | 2020-06-26 |
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