CN109788537A - A kind of method of uplink power control, base station and terminal - Google Patents
A kind of method of uplink power control, base station and terminal Download PDFInfo
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- CN109788537A CN109788537A CN201711128535.7A CN201711128535A CN109788537A CN 109788537 A CN109788537 A CN 109788537A CN 201711128535 A CN201711128535 A CN 201711128535A CN 109788537 A CN109788537 A CN 109788537A
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- uproar
- uplink
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- base station
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Abstract
The present invention provides method, base station and the terminal of a kind of uplink power control, the ascending power control method include: base station to terminal send uplink bottom make an uproar information, made an uproar by uplink bottom and desired reception power that information determines or to be made an uproar the transmitting power control signaling that information determines by uplink bottom so that the terminal determines uplink transmission power.The present invention considers the influence of uplink interference factor in uplink power control, to avoid the problem that leading to the data BLER increase of terminal transmission or the transmission rate decline of terminal because terminal uplink transmission power is insufficient.
Description
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of methods of uplink power control, base station and terminal.
Background technique
Uplink power control in wireless system is very important, and by uplink power control, can be made in cell
Terminal (UE) reduce interference to other users as far as possible on the basis of guaranteeing the quality of uplink transmitting data, extend eventually
That holds battery uses the time.
Uplink power is divided into open Loop Power control and close-loop power control two major classes.In open Loop Power control, under base station
Send out reception power desired, the desired reception power and the signal strength currently measured that terminal is sent according to base station calculate
Uplink transmission power.In close-loop power control, base station is according to channel quality (signal-to-noise ratio (the Signal Noise measured
Ratio, abbreviation SNR)/Signal to Interference plus Noise Ratio (Signal to Interference plus Noise Ratio, letter
Claim SINR)), power headroom reporting (PHR) (Power Headroom Report, abbreviation PHR) or target SNR/SINR etc., under terminal
Transmitting power control (Transmit Power Control, abbreviation TPC) signaling is sent out, notice terminal carries out the tune of uplink power
It is whole.
In the method for existing uplink power control, in open Loop Power control, the desired reception power of base station transmission
The influence for not considering uplink interference factor, in close-loop power control, when base station issues transmitting power control signaling to terminal,
The influence of uplink interference factor is not considered, this will lead to, and terminal uplink transmission power is insufficient, and the SINR/SNR that base station receives reaches
Fall short value, and then lead to data block error rate (BLER) increase of terminal transmission or the transmission rate decline of terminal.
Summary of the invention
In view of this, the present invention provides method, base station and the terminal of a kind of uplink power control, in uplink power control
In, consider the influence of uplink interference factor, thus avoid because terminal uplink transmission power it is insufficient caused by terminal transmission number
The problem of according to BLER increase or the transmission rate decline of terminal.
In order to solve the above technical problems, in a first aspect, the present invention provides a kind of method of uplink power control, applied to base
It stands, comprising:
It is made an uproar according to current uplink bottom, determines that uplink bottom is made an uproar information；
It makes an uproar information to uplink bottom described in terminal broadcast, the information so that terminal can make an uproar according to the uplink bottom received
Determine uplink transmission power.
Second aspect, the present invention provide a kind of method of uplink power control, application terminal, comprising:
It makes an uproar information and desired reception power at the uplink bottom for receiving base station broadcast；
It is made an uproar information and desired reception power according to the uplink bottom of the base station broadcast, determines uplink transmission power.
The third aspect, the present invention provides a kind of method of uplink power control, using base station, comprising:
It is made an uproar according to current uplink bottom, determines that uplink bottom is made an uproar information；
It is made an uproar information according to the uplink bottom, the desired reception power that true directional terminals issue；
To desired reception power described in terminal broadcast.
Fourth aspect, the present invention provide a kind of method of uplink power control, application terminal, comprising:
The desired reception power that base station is sent is received, the desired reception power is made an uproar by the base station according to uplink bottom
Information determines；
According to the desired reception power that the base station is sent, uplink transmission power is determined.
5th aspect, the present invention provides a kind of method of uplink power control, using base station, comprising:
It is made an uproar according to current uplink bottom, determines that uplink bottom is made an uproar information；
It is made an uproar information according to the uplink bottom, determines the transmitting power control signaling issued；
The transmitting power control signaling is issued to terminal.
6th aspect, the present invention provide a kind of method of uplink power control, application terminal, comprising:
Receive the transmitting power control signaling that base station issues；
According to the transmitting power control signaling, the adjustment of uplink transmission power is carried out.
7th aspect, the present invention provide a kind of base station, comprising:
Processor determines that uplink bottom is made an uproar information for making an uproar according to current uplink bottom；
Transmitter, for making an uproar information to uplink bottom described in terminal broadcast, so that the terminal can be according to receiving
Uplink bottom information of making an uproar determines uplink transmission power.
Eighth aspect, the present invention provide a kind of terminal, comprising:
Receiver, the uplink bottom for receiving base station broadcast are made an uproar information；
Processor determines uplink transmission power for making an uproar information according to the uplink bottom.
9th aspect, the present invention provide a kind of base station, comprising:
Processor determines that uplink bottom is made an uproar information for making an uproar according to current uplink bottom；It is made an uproar information according to the uplink bottom,
The desired reception power that true directional terminals issue；
Transmitter is used for desired reception power described in terminal broadcast.
Tenth aspect, the present invention provide a kind of terminal, comprising:
Receiver, for receiving the desired reception power of base station transmission, the desired reception power is by the base station
According to uplink bottom make an uproar information determine；
Processor, the desired reception power for being sent according to the base station, determines uplink transmission power.
Tenth on the one hand, and the present invention provides a kind of base station, comprising:
Processor determines that uplink bottom is made an uproar information for making an uproar according to current uplink bottom；It is made an uproar information according to the uplink bottom,
Determine the transmitting power control signaling issued；
The transmitting power control signaling is issued to terminal.
12nd aspect, the present invention provide a kind of terminal, comprising:
Receiver, the transmitting power control signaling issued for receiving base station；
Processor, for carrying out the adjustment of uplink transmission power according to the transmitting power control signaling.
13rd aspect, the present invention provide a kind of base station, including memory, processor and are stored on the memory simultaneously
The computer program that can be run on the processor；The processor is realized above-mentioned applied to base station when executing described program
Ascending power control method.
Fourteenth aspect, the present invention provide a kind of terminal, including memory, processor and are stored on the memory simultaneously
The computer program that can be run on the processor；The processor is realized above-mentioned applied to terminal when executing described program
Ascending power control method.
15th aspect, the present invention provide a kind of computer readable storage medium, are stored thereon with computer program, the journey
The step in the above-mentioned ascending power control method using base station is realized when sequence is executed by processor.
16th aspect, the present invention provide a kind of computer readable storage medium, are stored thereon with computer program, the journey
The step in the ascending power control method of above-mentioned application terminal is realized when sequence is executed by processor.
The advantageous effects of the above technical solutions of the present invention are as follows:
In uplink power control, the influence of uplink interference factor is considered, to avoid because of terminal uplink transmission power not
The problem of data BLER increase of terminal transmission or the transmission rate of terminal decline caused by foot.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the flow diagram of the ascending power control method of the embodiment of the present invention one；
Fig. 2 is the flow diagram of the ascending power control method of the embodiment of the present invention two；
Fig. 3 is the flow diagram of the ascending power control method of the embodiment of the present invention three；
Fig. 4 is the flow diagram of the ascending power control method of the embodiment of the present invention four；
Fig. 5 is the flow diagram of the ascending power control method of the embodiment of the present invention five；
Fig. 6 is the flow diagram of the ascending power control method of the embodiment of the present invention six；
Fig. 7 is the structural schematic diagram of the base station of the embodiment of the present invention seven；
Fig. 8 is the structural schematic diagram of the terminal of the embodiment of the present invention eight；
Fig. 9 is the structural schematic diagram of the base station of the embodiment of the present invention nine；
Figure 10 is the structural schematic diagram of the terminal of the embodiment of the present invention ten；
Figure 11 is the structural schematic diagram of the base station of the embodiment of the present invention 11；
Figure 12 is the structural schematic diagram of the terminal of the embodiment of the present invention 12.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is the flow diagram of the ascending power control method of the embodiment of the present invention one, the uplink function
Rate control method is applied to base station, comprising:
Step 11: being made an uproar according to current uplink bottom, determine that uplink bottom is made an uproar information；
Step 12: making an uproar information to uplink bottom described in terminal broadcast, so that the terminal can be according to the uplink received
Bottom information of making an uproar determines uplink transmission power.
The ascending power control method of the embodiment of the present invention is open-loop power control method.
In the embodiment of the present invention, base station is made an uproar information to terminal broadcast uplink bottom, so that terminal can be according to receiving
Uplink bottom information of making an uproar determines initial uplink transmission power, due to terminal consider when determining uplink transmission power uplink interference because
The influence of plain (making an uproar at uplink bottom), compensates uplink interference, so that the uplink transmission power determined is more acurrate, can keep away
The problem of exempting from the data BLER increase for leading to terminal transmission because of uplink transmission power deficiency or the transmission rate decline of terminal.
So-called bottom, which is made an uproar, refers to background noise, is referred to as ambient noise, refers to the overall noise in addition to useful signal.
Uplink bottom in embodiment of the present invention information of making an uproar can be uplink bottom and make an uproar information itself, or make an uproar at uplink bottom
It is lifted horizontal information.
Above-mentioned uplink bottom information of making an uproar can be base station and make an uproar (or uplink bottom make an uproar lifting level) to the uplink bottom in certain time length
Statistical value obtained from being counted, the statistical value can make an uproar (or uplink bottom make an uproar lifting level) for the uplink bottom in certain time length
Average value.When information is made an uproar at first time broadcast upstream bottom, uplink bottom information of making an uproar is also possible to a default value for base station.
In the embodiment of the present invention, base station can broadcast the uplink bottom by system message and make an uproar information, the system message
It such as can be SIB2.Specifically, base station can increase M (M is more than or equal to 2) bit (bit) in system message, for identifying
The current uplink bottom in base station is made an uproar information.For example, can increase Mbit's newly in SIB2 when system message is SIB2
" UplinkInerferencelevel " field is made an uproar information for identifying the current uplink bottom in base station.
It illustrates below and the make an uproar representation of information of uplink bottom is illustrated.
In one embodiment of this invention, uplink bottom information of making an uproar is that uplink bottom is made an uproar the information of lifting level, it is described on
Information is made an uproar at row bottom can be with are as follows: and it increases M bit " UplinkInerferencelevel " field in system broadcast message SIB2 newly and carries,
Uplink bottom for identifying current base station is made an uproar lifting degree, and specific division mode can be adjusted flexibly, if 3bit, can be down
Table mode:
In upper table, first is classified as the difference of " UplinkInerferencelevel " field increased newly in system message SIB2
Value, second, which is classified as the corresponding uplink bottom of different " UplinkInerferencelevel " field value, makes an uproar lifting level, third
The current uplink bottom in base station is classified as to make an uproar lifting value.
Certainly, it in some other embodiment of the invention, is also not necessarily limited to current using the message identification base station of 3bit
Uplink bottom is made an uproar information, can also use 2bit, or more bits greater than 3bit, it is to be understood that the bit numerical value of use
Bigger, the information that can be described more refines.
It is made an uproar due to the uplink bottom of base station and is possible to not stop to change, it is preferable that the uplink function of the embodiment of the present invention
In rate control method, the broadcast uplink bottom make an uproar information the step of after, can also include: in currently detected uplink
Bottom is made an uproar to be greater than or equal to preset threshold and continues certain with the uplink bottom of the broadcast difference that the corresponding uplink bottom of information is made an uproar of making an uproar
When duration, updates the uplink bottom and make an uproar information；And it broadcasts updated uplink bottom and makes an uproar information.
Citing is illustrated below.
Base station broadcast uplink bottom is made an uproar information, and uplink bottom information of making an uproar is that uplink bottom is made an uproar the information of lifting level, it is current extensively
The uplink bottom broadcast lifting level of making an uproar is A, and A is that the current uplink bottom in base station makes an uproar that lifting is horizontal or some default value.
Base station carries out the detection that uplink bottom is made an uproar with certain period, obtains current uplink bottom and makes an uproar the average value B of lifting level,
If the testing result B within 1 time of continuous T makes an uproar than the uplink bottom of broadcast, lifting is A high C horizontal, i.e. B > A+C then updates
Row bottom is made an uproar information, and the uplink bottom of broadcast lifting level of making an uproar is changed to B.
Terminal is when determining uplink transmission power, the desired reception power for usually also needing base station to send, thus, this hair
Ascending power control method in bright embodiment can also include: to send desired reception power to terminal.
Referring to FIG. 2, Fig. 2 is the flow diagram of the ascending power control method of the embodiment of the present invention two, the uplink function
Rate control method is applied to terminal, comprising:
Step 21: making an uproar information and desired reception power at the uplink bottom for receiving base station broadcast；
Step 22: being made an uproar information and desired reception power according to the uplink bottom of the base station broadcast, determine that uplink emits function
Rate.
The ascending power control method of the embodiment of the present invention is open-loop power control method.
In the embodiment of the present invention, the uplink bottom that terminal receives base station broadcast is made an uproar information and desired reception power, and according to
Information is made an uproar at the uplink bottom received and desired reception power determines initial uplink transmission power, since terminal is determining uplink
The influence that uplink interference factor (making an uproar at uplink bottom) is considered when sending power, compensates uplink interference, so that determine
Uplink transmission power is more acurrate, can to avoid because uplink transmission power deficiency due to cause terminal transmission data BLER increase or
The problem of transmission rate decline of terminal.
Uplink bottom in embodiment of the present invention information of making an uproar can be uplink bottom and make an uproar information itself, or make an uproar at uplink bottom
It is lifted horizontal information.
Above-mentioned uplink bottom information of making an uproar can be base station and make an uproar (or uplink bottom make an uproar lifting level) to the uplink bottom in certain time length
Statistical value obtained from being counted, the statistical value can make an uproar (or uplink bottom make an uproar lifting level) for the uplink bottom in certain time length
Average value.When information is made an uproar at first time broadcast upstream bottom, uplink bottom information of making an uproar is also possible to a default value for base station.
In the embodiment of the present invention, base station can broadcast the uplink bottom by system message and make an uproar information, the system message
It such as can be SIB2.Specifically, base station can increase M (M is more than or equal to 2) bit (bit) in system message, for identifying
The current uplink bottom in base station is made an uproar information.For example, can increase Mbit's newly in SIB2 when system message is SIB2
" UplinkInerferencelevel " field is made an uproar information for identifying the current uplink bottom in base station.
In the embodiment of the present invention, terminal can computationally increase uplink bottom in the calculation formula of row transmission power and make an uproar information
Relevant parameter.For example, β computationally can be increased in the calculation formula of row transmission powerc(j)·IoTc, wherein IoTc
Make an uproar for uplink bottom or uplink bottom make an uproar lifting level, βcIt (j) is the penalty coefficient of uplink interference, for the numerical value greater than 0 less than 1.Tool
Body, βc(j) it can determine based on experience value.
With Physical Uplink Shared Channel (Physical Uplink Shared Channel, abbreviation PUSCH), channel is
Example, the calculation formula of uplink transmission power can be such that
Wherein, PPUSCH,c(i) uplink transmission power for being PUSCH；10log10(MPUSCH,c(i)) it is mended for power spectral density
It repays, it is related with uplink scheduling resource；PO_PUSCH,cIt (j) is the desired reception power in base station, the value of j is different, represents different fields
Scape, the desired reception power in the base station can be allocated to terminal by broadcast message and RRC information by base station；αc(j)·PLcFor
Path loss offset, αcIt (j) is whole power compensations or Partial Power compensation, PLcFor path loss, subtracts and work as equal to reference signal power
The signal strength of preceding measurement；ΔTF,cIt (i) is encoding compensatory；fcIt (i) is closed-loop power control adjusted value；IoTcIt makes an uproar for uplink bottom or uplink
Bottom make an uproar lifting level, βcIt (j) is the penalty coefficient of uplink interference, for the numerical value greater than 0 less than 1.
Certainly, other channels (such as Physical Random Access Channel (Physical Random Access Channel, letter
Claim PRACH), Physical Uplink Control Channel (Physical Uplink Control Channel, abbreviation PUCCH) etc.) uplink
The calculation method of transmission power can also increase β in existing calculation formulac(j)·IoTc, not another in the embodiment of the present invention
One explanation.
Referring to FIG. 3, Fig. 3 is the flow diagram of the ascending power control method of the embodiment of the present invention three, the uplink function
Rate control method is applied to base station, comprising:
Step 31: being made an uproar according to current uplink bottom, determine that uplink bottom is made an uproar information；
Step 32: it is made an uproar information according to the uplink bottom, the desired reception power that true directional terminals issue；
Step 33: to desired reception power described in terminal broadcast.
The ascending power control method of the embodiment of the present invention is open-loop power control method.
In the embodiment of the present invention, base station is made an uproar the desired reception power that the true directional terminals of information assign according to uplink bottom, and
It directly is handed down to terminal, so that terminal can determine initial uplink transmitting function according to the desired reception power received
Rate, since the desired reception power that terminal receives considers the influence of uplink interference factor (making an uproar at uplink bottom), to uplink interference
It is compensated, so that the uplink transmission power determined is more acurrate, can be caused to avoid because of uplink transmission power deficiency
Terminal transmission data BLER increase or terminal transmission rate decline the problem of.
It is made an uproar due to the uplink bottom of base station and is possible to not stop to change, it is preferable that in some embodiments of the present invention
In, it is described to after described in terminal broadcast the step of desired reception power, further includes:
Step 34: making an uproar at currently detected uplink bottom uplink bottom corresponding with the desired reception power of broadcast of making an uproar
Difference when being greater than or equal to preset threshold and continuing certain time length, update the uplink bottom and make an uproar information；
Step 35: being made an uproar according to the uplink bottom of update, determine the desired reception power updated；
Step 36: to the desired reception power of update described in terminal broadcast.
In other embodiment of the invention, it is described to described in terminal broadcast the step of desired reception power it
Afterwards, further includes:
Step 34 ': it makes an uproar uplink bottom corresponding with the desired reception power of broadcast at currently detected uplink bottom
When the difference made an uproar is greater than or equal to preset threshold and continues certain time length, updates the uplink bottom and make an uproar information；
Step 35 ': it is made an uproar according to the uplink bottom of update, determines the desired reception power updated；
Step 36 ': according to the desired difference received between power of the desired reception power of update and broadcast,
Determine the desired adjusted value for receiving power；
Step 37 ': the desired adjusted value for receiving power is sent to terminal.
That is, base station also needs to update desired reception power after update is made an uproar at uplink bottom, it would be desirable to reception function
Rate is broadcast directly to terminal, alternatively, obtaining between the desired reception power of the desired reception power and broadcast that update
Difference, determine it is desired receive power adjusted value, terminal is then sent to by RRC information.
Uplink bottom in embodiment of the present invention information of making an uproar can be uplink bottom and make an uproar information itself, or make an uproar at uplink bottom
It is lifted horizontal information.
Above-mentioned uplink bottom information of making an uproar can be base station and make an uproar (or uplink bottom make an uproar lifting level) to the uplink bottom in certain time length
Statistical value obtained from being counted, the statistical value can make an uproar (or uplink bottom make an uproar lifting level) for the uplink bottom in certain time length
Average value.
Referring to FIG. 4, Fig. 4 is the flow diagram of the ascending power control method of the embodiment of the present invention four, the uplink function
Rate control method is applied to terminal, comprising:
Step 41: receive base station send desired reception power, the desired reception power by the base station according to
Uplink bottom make an uproar information determine；
Step 42: the desired reception power sent according to the base station determines uplink transmission power.
The ascending power control method of the embodiment of the present invention is open-loop power control method.
In the embodiment of the present invention, terminal receives the desired reception power that base station is sent, and the expectation sent according to base station
Reception power, uplink transmission power is determined, since the desired reception power is true according to uplink bottom information of making an uproar by the base station
It is fixed, i.e., the influence of uplink interference factor (making an uproar at uplink bottom) is considered when determining uplink transmission power, and uplink interference is compensated,
So that the uplink transmission power determined is more acurrate, can to avoid because uplink transmission power it is insufficient caused by terminal transmission
The problem of data BLER increases or the transmission rate of terminal declines.
In the embodiment of the present invention, desired reception power can be sent to by base station by system message or RRC information
Terminal.
Uplink bottom in embodiment of the present invention information of making an uproar can be uplink bottom and make an uproar information itself, or make an uproar at uplink bottom
It is lifted horizontal information.
Above-mentioned uplink bottom information of making an uproar can be base station and make an uproar (or uplink bottom make an uproar lifting level) to the uplink bottom in certain time length
Statistical value obtained from being counted, the statistical value can make an uproar (or uplink bottom make an uproar lifting level) for the uplink bottom in certain time length
Average value.
Ascending power control method in above-described embodiment is open-loop power control method, below to uplink power control
Method is illustrated for close-loop power controlling method.
Referring to FIG. 5, Fig. 5 is the flow diagram of the ascending power control method of the embodiment of the present invention five, the uplink function
Rate control method is applied to base station, comprising:
Step 51: being made an uproar according to current uplink bottom, determine that uplink bottom is made an uproar information；
Step 52: being made an uproar information according to the uplink bottom, determine transmitting power control (TPC) signaling issued；
Step 53: issuing the transmitting power control signaling to terminal.
The ascending power control method of the embodiment of the present invention is close-loop power controlling method.
In the embodiment of the present invention, base station sends transmitting power control signaling to terminal, so that terminal can be according to reception
The transmitting power control signaling adjustment uplink transmission power arrived, due to the true timing considerations uplink interference of the transmitting power control signaling
The influence of factor (making an uproar at uplink bottom), compensates uplink interference, so that the uplink transmission power that terminal determines is more acurrate,
Can to avoid because uplink transmission power it is insufficient caused by terminal transmission data BLER increase or the transmission rate of terminal under
The problem of drop.
In the embodiment of the present invention, base station is when determining the transmitting power control signaling issued, in addition to considering that uplink bottom is made an uproar letter
Except breath, it is also contemplated that channel quality (signal-to-noise ratio (SNR)/Signal to Interference plus Noise Ratio (SINR)), the power measured
The influence of the factors such as headroom reporting (PHR) or target SNR/SINR.
Referring to FIG. 6, Fig. 6 is the flow diagram of the ascending power control method of the embodiment of the present invention six, the uplink function
Rate control method is applied to terminal, comprising:
Step 61: receiving the transmitting power control signaling that base station issues；
Step 62: according to the transmitting power control signaling, carrying out the adjustment of uplink transmission power.
The ascending power control method of the embodiment of the present invention is close-loop power controlling method.
In the embodiment of the present invention, terminal receives the transmitting power control signaling that base station issues, and according to transmitting power control
Signaling carries out the adjustment of uplink transmission power, consider when determining transmitting power control signaling due to base station uplink interference factor (on
Make an uproar at row bottom) influence, uplink interference is compensated so that terminal determine uplink transmission power it is more acurrate, can keep away
The data BLER of terminal transmission increases caused by exempting from because of uplink transmission power deficiency or what the transmission rate of terminal declined asks
Topic.
In the embodiment of the present invention, base station is when determining the transmitting power control signaling issued, in addition to considering that uplink bottom is made an uproar letter
Except breath, it is also contemplated that channel quality (signal-to-noise ratio (SNR)/Signal to Interference plus Noise Ratio (SINR)), the power measured
The influence of the factors such as headroom reporting (PHR) or target SNR/SINR.
Above-mentioned open loop power control process in the embodiment of the present invention is commonly used in random access procedure, and closes the border power
After control process is commonly used in terminal access.
Referring to FIG. 7, the embodiment of the present invention seven provides a kind of base station, comprising:
Processor 71 determines that uplink bottom is made an uproar information for making an uproar according to current uplink bottom；
Transmitter 72, for making an uproar information to uplink bottom described in terminal broadcast, so that the terminal can be according to receiving
Uplink bottom information of making an uproar determine uplink transmission power.
Ascending power control method used in the embodiment of the present invention is open-loop power control method.
In the embodiment of the present invention, base station is made an uproar information to terminal broadcast uplink bottom, so that terminal can be according to receiving
Uplink bottom information of making an uproar determines initial uplink transmission power, due to terminal consider when determining uplink transmission power uplink interference because
The influence of plain (making an uproar at uplink bottom), compensates uplink interference, so that the uplink transmission power determined is more acurrate, can keep away
The data BLER of terminal transmission increases caused by exempting from because of uplink transmission power deficiency or what the transmission rate of terminal declined asks
Topic.
Uplink bottom in embodiment of the present invention information of making an uproar can be uplink bottom and make an uproar information itself, or make an uproar at uplink bottom
It is lifted horizontal information.
Above-mentioned uplink bottom information of making an uproar can be base station and make an uproar (or uplink bottom make an uproar lifting level) to the uplink bottom in certain time length
Statistical value obtained from being counted, the statistical value can make an uproar (or uplink bottom make an uproar lifting level) for the uplink bottom in certain time length
Average value.When information is made an uproar at first time broadcast upstream bottom, uplink bottom information of making an uproar is also possible to a default value for base station.
In the embodiment of the present invention, base station can broadcast the uplink bottom by system message and make an uproar information, the system message
It such as can be SIB2.Specifically, base station can increase M (M is more than or equal to 2) bit (bit) in system message, for identifying
The current uplink bottom in base station is made an uproar information.For example, can increase Mbit's newly in SIB2 when system message is SIB2
" UplinkInerferencelevel " field is made an uproar information for identifying the current uplink bottom in base station.
It is made an uproar due to the uplink bottom of base station and is possible to not stop to change, it is preferable that in the embodiment of the present invention,
The processor 71 is also used to make an uproar at currently detected uplink bottom corresponding with the uplink bottom information of making an uproar of broadcast
The difference made an uproar of uplink bottom when being greater than or equal to preset threshold and continuing certain time length, update the uplink bottom and make an uproar information；
The transmitter 72, the uplink bottom for being also used to broadcast update are made an uproar information.
Terminal is when determining uplink transmission power, the desired reception power for usually also needing base station to send, thus, this hair
Transmitter 72 in bright embodiment is also used to send desired reception power to terminal.
Referring to FIG. 8, the embodiment of the present invention eight provides a kind of terminal, comprising:
Receiver 81, the uplink bottom for receiving base station broadcast are made an uproar information and desired reception power；
Processor 82 determines uplink transmission power for making an uproar information and desired reception power according to the uplink bottom.
Ascending power control method used in the embodiment of the present invention is open-loop power control method.
In the embodiment of the present invention, the uplink bottom that terminal receives base station broadcast is made an uproar information and desired reception power, and according to
Information is made an uproar at the uplink bottom received and desired reception power determines initial uplink transmission power, since terminal is determining uplink
The influence that uplink interference factor (making an uproar at uplink bottom) is considered when sending power, compensates uplink interference, so that determine
Uplink transmission power is more acurrate, can to avoid because uplink transmission power deficiency due to cause terminal transmission data BLER increase or
The problem of transmission rate decline of terminal.
Uplink bottom in embodiment of the present invention information of making an uproar can be uplink bottom and make an uproar information itself, or make an uproar at uplink bottom
It is lifted horizontal information.
Above-mentioned uplink bottom information of making an uproar can be base station and make an uproar (or uplink bottom make an uproar lifting level) to the uplink bottom in certain time length
Statistical value obtained from being counted, the statistical value can make an uproar (or uplink bottom make an uproar lifting level) for the uplink bottom in certain time length
Average value.When information is made an uproar at first time broadcast upstream bottom, uplink bottom information of making an uproar is also possible to a default value for base station.
In the embodiment of the present invention, base station can broadcast the uplink bottom by system message and make an uproar information, the system message
It such as can be SIB2.Specifically, base station can increase M (M is more than or equal to 2) bit (bit) in system message, for identifying
The current uplink bottom in base station is made an uproar information.For example, can increase Mbit's newly in SIB2 when system message is SIB2
" UplinkInerferencelevel " field is made an uproar information for identifying the current uplink bottom in base station.
In the embodiment of the present invention, the processor 82 is also used to, and is computationally increased in the calculation formula of row transmission power
Uplink bottom is made an uproar the relevant parameter of information.For example, β can be increased in the calculation formula of uplink transmission powerc(j)·IoTc,
Wherein IoTcFor uplink bottom make an uproar lifting level, βcIt (j) is the penalty coefficient of uplink interference, for the numerical value greater than 0 less than 1.
Referring to FIG. 9, the embodiment of the present invention nine provides a kind of base station, comprising:
Processor 91 determines that uplink bottom is made an uproar information for making an uproar according to current uplink bottom；It is made an uproar letter according to the uplink bottom
Breath, the desired reception power that true directional terminals issue；
Transmitter 92 is used for desired reception power described in terminal broadcast.
Ascending power control method used in the embodiment of the present invention is open-loop power control method.
In the embodiment of the present invention, base station is made an uproar the desired reception power that the true directional terminals of information assign according to uplink bottom, and
It directly is handed down to terminal, so that terminal can determine initial uplink transmitting function according to the desired reception power received
Rate, since the desired reception power that terminal receives considers the influence of uplink interference factor (making an uproar at uplink bottom), to uplink interference
It is compensated, so that the uplink transmission power determined is more acurrate, can be caused to avoid because of uplink transmission power deficiency
Terminal transmission data BLER increase or terminal transmission rate decline the problem of.
In the embodiment of the present invention, desired reception power can be sent to by base station by system message or RRC information
Terminal.
Uplink bottom in embodiment of the present invention information of making an uproar can be uplink bottom and make an uproar information itself, or make an uproar at uplink bottom
It is lifted horizontal information.
Above-mentioned uplink bottom information of making an uproar can be base station and make an uproar (or uplink bottom make an uproar lifting level) to the uplink bottom in certain time length
Statistical value obtained from being counted, the statistical value can make an uproar (or uplink bottom make an uproar lifting level) for the uplink bottom in certain time length
Average value.
It is made an uproar due to the uplink bottom of base station and is possible to not stop to change, it is preferable that in some embodiments of the present invention
In, processor 91 is also used to make an uproar uplink bottom corresponding with the desired reception power of broadcast at currently detected uplink bottom
When the difference made an uproar is greater than or equal to preset threshold and continues certain time length, updates the uplink bottom and make an uproar information；According to the upper of update
Row bottom is made an uproar, and determines the desired reception power updated；
The transmitter 92 is also used to the desired reception power to update described in terminal broadcast.
In other embodiment of the invention, the processor 91 is also used to make an uproar at currently detected uplink bottom
Described with broadcast desired receive the difference that the corresponding uplink bottom of power is made an uproar and is greater than or equal to preset threshold and continues a timing
When long, update the uplink bottom and make an uproar information；It is made an uproar according to the uplink bottom of update, determines the desired reception power updated；According to more
The desired difference received between power of new desired reception power and broadcast, determines the desired tune for receiving power
Whole value；
The transmitter 92 is also used to send the desired adjusted value for receiving power to terminal.
Referring to FIG. 10, the embodiment of the present invention ten provides a kind of terminal, comprising:
Receiver 101, for receiving the desired reception power of base station transmission, the desired reception power is by the base
Stand according to uplink bottom make an uproar information determine；
Processor 102, the desired reception power for being sent according to the base station, determines uplink transmission power.
Ascending power control method used in the embodiment of the present invention is open-loop power control method.
In the embodiment of the present invention, terminal receives the desired reception power that base station is sent, and the expectation sent according to base station
Reception power, uplink transmission power is determined, since the desired reception power is true according to uplink bottom information of making an uproar by the base station
It is fixed, i.e., the influence of uplink interference factor (making an uproar at uplink bottom) is considered when determining uplink transmission power, and uplink interference is compensated,
So that the uplink transmission power determined is more acurrate, can to avoid because uplink transmission power it is insufficient caused by terminal transmission
The problem of data BLER increases or the transmission rate of terminal declines.
In the embodiment of the present invention, desired reception power can be sent to by base station by system message or RRC information
Terminal.
Uplink bottom in embodiment of the present invention information of making an uproar can be uplink bottom and make an uproar information itself, or make an uproar at uplink bottom
It is lifted horizontal information.
Above-mentioned uplink bottom information of making an uproar can be base station and make an uproar (or uplink bottom make an uproar lifting level) to the uplink bottom in certain time length
Statistical value obtained from being counted, the statistical value can make an uproar (or uplink bottom make an uproar lifting level) for the uplink bottom in certain time length
Average value.
Figure 11 is please referred to, the embodiment of the present invention 11 provides a kind of base station, comprising:
Processor 111 determines that uplink bottom is made an uproar information for making an uproar according to current uplink bottom；It is made an uproar letter according to the uplink bottom
Breath determines the transmitting power control signaling issued；
Transmitter 112, for issuing the transmitting power control signaling to terminal.
Ascending power control method used in the embodiment of the present invention is close-loop power controlling method.
In the embodiment of the present invention, base station sends transmitting power control signaling to terminal, so that terminal can be according to reception
The transmitting power control signaling adjustment uplink transmission power arrived, due to the true timing considerations uplink interference of the transmitting power control signaling
The influence of factor (making an uproar at uplink bottom), compensates uplink interference, so that the uplink transmission power that terminal determines is more acurrate,
Can to avoid because uplink transmission power it is insufficient caused by terminal transmission data BLER increase or the transmission rate of terminal under
The problem of drop.
In the embodiment of the present invention, base station is when determining the transmitting power control signaling issued, in addition to considering that uplink bottom is made an uproar letter
Except breath, it is also contemplated that channel quality (signal-to-noise ratio (SNR)/Signal to Interference plus Noise Ratio (SINR)), the power measured
The influence of the factors such as headroom reporting (PHR) or target SNR/SINR.
Figure 12 is please referred to, the embodiment of the present invention 12 provides a kind of base station, comprising:
Receiver 121, the transmitting power control signaling issued for receiving base station；
Processor 122, for carrying out the adjustment of uplink transmission power according to the transmitting power control signaling.
The embodiment of the present invention uses ascending power control method for close-loop power controlling method.
In the embodiment of the present invention, terminal receives the transmitting power control signaling that base station issues, and according to transmitting power control
Signaling carries out the adjustment of uplink transmission power, consider when determining transmitting power control signaling due to base station uplink interference factor (on
Make an uproar at row bottom) influence, uplink interference is compensated so that terminal determine uplink transmission power it is more acurrate, can keep away
The data BLER of terminal transmission increases caused by exempting from because of uplink transmission power deficiency or what the transmission rate of terminal declined asks
Topic.
In the embodiment of the present invention, base station is when determining the transmitting power control signaling issued, in addition to considering that uplink bottom is made an uproar letter
Except breath, it is also contemplated that channel quality (signal-to-noise ratio (SNR)/Signal to Interference plus Noise Ratio (SINR)), the power measured
The influence of the factors such as headroom reporting (PHR) or target SNR/SINR.
The embodiment of the present invention also provides a kind of base station, including memory, processor and is stored on the memory and can
The computer program run on the processor；The processor is realized above-mentioned applied to the upper of base station when executing described program
Row Poewr control method.
The embodiment of the present invention also provides a kind of terminal, including memory, processor and is stored on the memory and can
The computer program run on the processor；The processor is realized above-mentioned applied to the upper of terminal when executing described program
Row Poewr control method.
Base station in the embodiment of the present invention can be global system for mobile telecommunications (Global System of Mobile
Communication, abbreviation GSM) or CDMA (Code Division Multiple Access, abbreviation CDMA) in
Base station (Base Transceiver Station, abbreviation BTS), is also possible to wideband code division multiple access (Wideband Code
Division Multiple Access, abbreviation WCDMA) in base station (NodeB, abbreviation NB), can also be the evolution in LTE
Type base station (Evolutional Node B, abbreviation eNB or eNodeB) perhaps relay station or access point or future 5G network
In base station etc., do not limit herein.
Terminal in the embodiment of the present invention can be wireless terminal and be also possible to catv terminal, and wireless terminal can be directed to
User provides voice and/or the equipment of other business datum connectivity, handheld device or connection with wireless connecting function
To other processing equipments of radio modem.Wireless terminal can through wireless access network (Radio Access Network,
Abbreviation RAN) it is communicated with one or more core nets, wireless terminal can be mobile terminal, as mobile phone (or is
" honeycomb " phone) and computer with mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer
Or vehicle-mounted mobile device, they exchange language and/or data with wireless access network.For example, personal communication service
(Personal Communication Service, abbreviation PCS) phone, wireless phone, Session initiation Protocol (Session
Initiation Protocol, abbreviation SIP) phone, wireless local loop (Wireless Local Loop, abbreviation WLL) stand,
The equipment such as personal digital assistant (Personal Digital Assistant, abbreviation PDA).Wireless terminal is referred to as
System, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile
Station), mobile station (Mobile), distant station (Remote Station), remote terminal (Remote Terminal), access
Terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), terminal (User
Device or User Equipment), it is not limited thereto.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, the program
The step in the above-mentioned ascending power control method applied to base station is realized when being executed by processor.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, the program
The step in the above-mentioned ascending power control method applied to terminal is realized when being executed by processor.
Above-mentioned computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any
Method or technique come realize information store.Information can be computer readable instructions, data structure, the module of program or other numbers
According to.The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory
(SRAM), dynamic random access memory (DRAM), other kinds of random access memory (RAM), read-only memory
(ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory techniques, CD-ROM are read-only
Memory (CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or
Other magnetic storage devices or any other non-transmission medium, can be used for storage can be accessed by a computing device information.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (27)
1. a kind of ascending power control method is applied to base station characterized by comprising
It is made an uproar according to current uplink bottom, determines that uplink bottom is made an uproar information；
It makes an uproar information to uplink bottom described in terminal broadcast, so that the terminal can make an uproar according to the uplink bottom received, information is determined
Uplink transmission power.
2. ascending power control method according to claim 1, which is characterized in that the broadcast uplink bottom is made an uproar information
The step of after, further includes:
Currently detected uplink bottom make an uproar with the uplink bottom of broadcast make an uproar the difference that the corresponding uplink bottom of information is made an uproar be greater than or
When equal to preset threshold and continuing certain time length, updates the uplink bottom and make an uproar information；
It makes an uproar information at the uplink bottom that broadcast updates.
3. ascending power control method according to claim 1, which is characterized in that uplink bottom information of making an uproar passes through system
Message carries.
4. ascending power control method according to claim 3, which is characterized in that the system message is SIB2 message.
5. a kind of ascending power control method is applied to terminal characterized by comprising
It makes an uproar information and desired reception power at the uplink bottom for receiving base station broadcast；
It is made an uproar information and desired reception power according to the uplink bottom of the base station broadcast, determines uplink transmission power.
6. ascending power control method according to claim 5, which is characterized in that the uplink bottom according to base station broadcast
Information of making an uproar and desired reception power, the step of determining uplink transmission power include:
Computationally increase β in the calculation formula of row transmission powerc(j)·IoTc, wherein IoTcIt makes an uproar for uplink bottom or uplink bottom
Lifting of making an uproar is horizontal, βcIt (j) is the penalty coefficient of uplink interference, for the numerical value greater than 0 less than 1.
7. a kind of ascending power control method is applied to base station characterized by comprising
It is made an uproar according to current uplink bottom, determines that uplink bottom is made an uproar information；
It is made an uproar information according to the uplink bottom, the desired reception power that true directional terminals issue；
To desired reception power described in terminal broadcast.
8. ascending power control method according to claim 7, which is characterized in that described to desired described in terminal broadcast
After the step of receiving power, further includes:
It makes an uproar at currently detected uplink bottom and desired receive the difference that the corresponding uplink bottom of power is made an uproar with the described of broadcast and be greater than
Or it when being equal to preset threshold and continuing certain time length, updates the uplink bottom and makes an uproar information；
It is made an uproar according to the uplink bottom of update, determines the desired reception power updated；
To the desired reception power of update described in terminal broadcast.
9. ascending power control method according to claim 7, which is characterized in that described to desired described in terminal broadcast
After the step of receiving power, further includes:
It makes an uproar at currently detected uplink bottom and desired receive the difference that the corresponding uplink bottom of power is made an uproar with the described of broadcast and be greater than
Or it when being equal to preset threshold and continuing certain time length, updates the uplink bottom and makes an uproar information；
It is made an uproar according to the uplink bottom of update, determines the desired reception power updated；
According to the desired difference received between power of the desired reception power of update and broadcast, desired connect is determined
Receive the adjusted value of power；
The desired adjusted value for receiving power is sent to terminal.
10. a kind of ascending power control method is applied to terminal characterized by comprising
The desired reception power that base station is sent is received, the desired reception power is made an uproar information by the base station according to uplink bottom
It determines；
According to the desired reception power that the base station is sent, uplink transmission power is determined.
11. a kind of ascending power control method is applied to base station characterized by comprising
It is made an uproar according to current uplink bottom, determines that uplink bottom is made an uproar information；
It is made an uproar information according to the uplink bottom, determines the transmitting power control signaling issued；
The transmitting power control signaling is issued to terminal.
12. a kind of ascending power control method is applied to terminal characterized by comprising
Receive the transmitting power control signaling that base station issues；
According to the transmitting power control signaling, the adjustment of uplink transmission power is carried out.
13. a kind of base station characterized by comprising
Processor determines that uplink bottom is made an uproar information for making an uproar according to current uplink bottom；
Transmitter, for making an uproar information to uplink bottom described in terminal broadcast, so that the terminal can be according to the uplink received
Bottom information of making an uproar determines uplink transmission power.
14. base station according to claim 13, which is characterized in that
The processor is also used to make an uproar at currently detected uplink bottom and make an uproar the corresponding uplink of information with the uplink bottom of broadcast
When the difference that bottom is made an uproar is greater than or equal to preset threshold and continues certain time length, updates the uplink bottom and make an uproar information；
The transmitter, the uplink bottom for being also used to broadcast update are made an uproar information.
15. base station according to claim 13, which is characterized in that the uplink bottom make an uproar information pass through system message carry.
16. base station according to claim 15, which is characterized in that the system message is SIB2 message.
17. a kind of terminal characterized by comprising
Receiver, the uplink bottom for receiving base station broadcast are made an uproar information and desired reception power；
Processor determines uplink transmission power for making an uproar information and desired reception power according to the uplink bottom.
18. terminal according to claim 17, it is characterised in that:
The processor is also used to increase β in the computationally calculation formula of row transmission powerc(j)·IoTc, wherein IoTcFor
Lifting that uplink bottom is made an uproar or uplink bottom is made an uproar is horizontal, βcIt (j) is the penalty coefficient of uplink interference, for the numerical value greater than 0 less than 1.
19. a kind of base station characterized by comprising
Processor determines that uplink bottom is made an uproar information for making an uproar according to current uplink bottom；It is made an uproar information, is determined according to the uplink bottom
The desired reception power issued to terminal；
Transmitter is used for desired reception power described in terminal broadcast.
20. base station according to claim 19, which is characterized in that
The processor, be also used to currently detected uplink bottom make an uproar with broadcast the desired reception power it is corresponding on
When the difference that row bottom is made an uproar is greater than or equal to preset threshold and continues certain time length, updates the uplink bottom and make an uproar information；According to update
Uplink bottom make an uproar, determine update desired reception power；
The transmitter is also used to the desired reception power to update described in terminal broadcast.
21. base station according to claim 19, which is characterized in that
The processor, be also used to currently detected uplink bottom make an uproar with broadcast the desired reception power it is corresponding on
When the difference that row bottom is made an uproar is greater than or equal to preset threshold and continues certain time length, updates the uplink bottom and make an uproar information；According to update
Uplink bottom make an uproar, determine update desired reception power；According to the desired reception power of update and the expectation of broadcast
Receive power between difference, determine it is desired receive power adjusted value；
The transmitter is also used to send the desired adjusted value for receiving power to terminal.
22. a kind of terminal characterized by comprising
Receiver, for receive base station transmission desired reception power, the desired reception power by the base station according to
Uplink bottom make an uproar information determine；
Processor, the desired reception power for being sent according to the base station, determines uplink transmission power.
23. a kind of base station characterized by comprising
Processor determines that uplink bottom is made an uproar information for making an uproar according to current uplink bottom；It is made an uproar information, is determined according to the uplink bottom
The transmitting power control signaling issued；
Transmitter, for issuing the transmitting power control signaling to terminal.
24. a kind of terminal characterized by comprising
Receiver, the transmitting power control signaling issued for receiving base station；
Processor, for carrying out the adjustment of uplink transmission power according to the transmitting power control signaling.
25. a kind of base station, including memory, processor and it is stored on the memory and can runs on the processor
Computer program；It is characterized in that, the processor is realized when executing described program such as any one of claim 1-4,7-9 or 11
The ascending power control method.
26. a kind of terminal, including memory, processor and it is stored on the memory and can runs on the processor
Computer program；It is characterized in that, the processor is realized when executing described program such as any one of claim 5,6,10 or 12
The ascending power control method.
27. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
It realizes when execution such as the step in the described in any item ascending power control methods of claim 1-12.
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| CN201711128535.7A CN109788537B (en) | 2017-11-15 | 2017-11-15 | Method, base station and terminal for controlling uplink power |
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| CN114585064A (en) * | 2020-11-18 | 2022-06-03 | 中国移动通信有限公司研究院 | Uplink transmission processing method, device and equipment |
| CN114747260A (en) * | 2019-12-17 | 2022-07-12 | 华为技术有限公司 | Uplink transmission power control method and device |
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| CN109788537B (en) | 2022-04-01 |
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