CN110324886A - Ascending power control method and base station - Google Patents
Ascending power control method and base station Download PDFInfo
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- CN110324886A CN110324886A CN201810262532.0A CN201810262532A CN110324886A CN 110324886 A CN110324886 A CN 110324886A CN 201810262532 A CN201810262532 A CN 201810262532A CN 110324886 A CN110324886 A CN 110324886A
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- carrier wave
- user equipment
- transmission power
- power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/365—Power headroom reporting
Abstract
The present invention provides a kind of ascending power control method and base station, which comprises receives the PHR that user equipment is sent, the PHR includes power margin information of the user equipment at least one carrier wave polymerization cluster；User equipment is obtained in the transmission power of each carrier wave according to PHR for each carrier wave；Power is sent in the transmission power of each carrier wave and the maximum of user equipment according to user equipment, the scheduling carrier wave set of user equipment is determined, so that maximum transmission power of the sum of the transmission power of carrier wave in scheduling carrier wave set without departing from user equipment；According to scheduling carrier wave set, power control is carried out to user equipment.Ascending power control method provided by the invention and base station realize the uplink power control function under asymmetrical up-link carrier aggregation scene, and so as to reduce the interference between user equipment, extend user equipment battery uses the time.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of ascending power control method and base stations.
Background technique
In current LTE system, single carrier maximum supports the system bandwidth of 20M, if to support bigger bandwidth,
It needs using carrier aggregation technology.In the demand of common public network, general downlink throughput capacity is greater than uplink throughput, therefore,
In general LTE standard, it is defined for the polymerization of symmetrical carrier wave and the polymerization of asymmetrical descending carrier, it is desirable that descending carrier
Number is more than or equal to up-link carrier number, it is possible to meet the needs of common public network.But in the industry-specific cordless communication network in portion
In, such as: there are in the network of a large amount of video monitoring class business, have demand of the uplink throughput greater than downlink throughput capacity.
Currently, carrier aggregation scheme defined in general LTE standard is unable to satisfy such demand, therefore, it is necessary to use up-link carrier
Number is greater than the asymmetrical up-link carrier polymerization technique of descending carrier number.
Under normal circumstances, in order to extend user equipment battery using the time and reduce user equipment between interference,
Base station is needed to control using Poewr control method the power of user equipment.
However, existing Poewr control method, it is only applicable to symmetrical carrier wave polymerization defined in LTE standard and asymmetrical
The scene of descending carrier polymerization.Under the scene of asymmetrical up-link carrier polymerization, a user equipment may be worked at the same time
On multiple up-link carriers, there is presently no corresponding Poewr control methods.
Summary of the invention
The present invention provides a kind of ascending power control method and base station, can be realized asymmetrical up-link carrier aggregation scene
Control function of power, to reduce the interference between user equipment, extend user equipment battery uses the time.
In a first aspect, the present invention provides a kind of ascending power control method, comprising:
Receiving the power headroom reporting (PHR) PHR, the PHR that user equipment is sent includes the user equipment at least one load
The power margin information of wave polymerization cluster, wherein each carrier wave polymerization cluster includes on a main carrier and at least one supplement
Row SUL secondary carrier；
It obtains the user equipment according to the PHR for each carrier wave at least one described carrier wave polymerization cluster and exists
The transmission power of each carrier wave；
According to the user equipment in the transmission power of each carrier wave and the emission maximum function of the user equipment
Rate determines the scheduling carrier wave set of the user equipment, so that the sum of the transmission power of carrier wave in the scheduling carrier wave set
Without departing from the maximum transmission power of the user equipment；
According to the scheduling carrier wave set, power control is carried out to the user equipment.
Optionally, the transmission power according to the user equipment in each carrier wave and the user equipment
Maximum transmission power, determine the scheduling carrier wave set of the user equipment, comprising:
Transmission power according to the user equipment in each carrier wave, the maximum transmission power of the user equipment,
And the signal quality and/or service quality of each carrier wave, determine the scheduling carrier wave set of the user equipment.
Optionally, it is described according to the user equipment in the transmission power of each carrier wave, the user equipment is most
The signal quality and/or service quality of big transmission power and each carrier wave, determine the scheduling carrier wave of the user equipment
Set, comprising:
According to the signal quality and/or service quality, the carrier wave of at least one described carrier wave polymerization cluster is ranked up,
Carrier wave sequence after being sorted；
According to the sequence of carrier wave in the carrier wave sequence, the transmission power for the carrier wave that successively adds up, until the transmission power that adds up
Maximum transmission power of the sum beyond the user equipment, then by the carrier wave to have added up be added scheduling carrier wave set.
Optionally, the signal quality includes signal-to-noise ratio parameter；
The service quality includes packet loss parameter and service delay parameter.
Optionally, described according to the PHR, the user equipment is obtained in the transmission power of each carrier wave, comprising:
According to the PHR, the user equipment is obtained in the power spectral density of the carrier wave；
It is determined as the target resource block RB number that the user equipment is dispatched on the carrier wave；
According to the power spectral density and the target RB number, the user equipment is obtained in the transmitting function of the carrier wave
Rate.
Optionally, the target RB number for being determined as the user equipment and being dispatched on the carrier wave, comprising:
According to the maximum transmission power of the user equipment, it is determined as the user equipment is dispatched in the carrier wave first
Candidate RB number；
According to user equipment data volume to be transmitted, it is determined as the user equipment is dispatched in the carrier wave second
Candidate RB number；
If first candidate's RB number is less than the second candidate RB number, first candidate's RB number is determined
The second candidate RB number is otherwise determined as target RB number for target RB number.
Optionally, according to the user equipment in each carrier wave transmission power and the user equipment
Maximum transmission power, before the scheduling carrier wave set for determining the user equipment, further includes:
The uplink signal-tonoise information that the user equipment is sent is received, the uplink signal-tonoise information includes that the user sets
The standby signal-to-noise ratio parameter measured on the carrier wave of at least one described carrier wave polymerization cluster.
Second aspect, the present invention provide a kind of base station, comprising:
Receiving module, power headroom reporting (PHR) PHR, the PHR for receiving user equipment transmission include that the user sets
The standby power margin information at least one carrier wave polymerization cluster, wherein each carrier wave polymerization cluster include a main carrier and
At least one supplement uplink SUL secondary carrier；
Power acquisition module, for for each carrier wave at least one carrier wave polymerization cluster, according to the PHR,
The user equipment is obtained in the transmission power of each carrier wave；
Determining module, for being set according to the user equipment in the transmission power of each carrier wave and the user
Standby maximum transmission power determines the scheduling carrier wave set of the user equipment, so that the carrier wave in the scheduling carrier wave set
The sum of transmission power without departing from the user equipment maximum transmission power；
Power control module, for carrying out power control to the user equipment according to the scheduling carrier wave set.
Optionally, the determining module, specifically for according to the user equipment each carrier wave transmission power,
The signal quality and/or service quality of the maximum transmission power of the user equipment and each carrier wave, determine the use
The scheduling carrier wave set of family equipment.
Optionally, the determining module, is specifically used for according to the signal quality and/or service quality, to it is described at least
The carrier wave of one carrier wave polymerization cluster is ranked up, the carrier wave sequence after being sorted；
According to the sequence of carrier wave in the carrier wave sequence, the transmission power for the carrier wave that successively adds up, until the transmission power that adds up
Maximum transmission power of the sum beyond the user equipment, then by the carrier wave to have added up be added scheduling carrier wave set.
Optionally, the signal quality includes signal-to-noise ratio parameter；
The service quality includes packet loss parameter and service delay parameter.
Optionally, the power acquisition module is specifically used for obtaining the user equipment in the load according to the PHR
The power spectral density of wave；
It is determined as the target resource block RB number that the user equipment is dispatched on the carrier wave；
According to the power spectral density and the target RB number, the user equipment is obtained in the transmitting function of the carrier wave
Rate.
Optionally, the power acquisition module is determined as specifically for the maximum transmission power according to the user equipment
First candidate's RB number that the user equipment is dispatched in the carrier wave；
According to user equipment data volume to be transmitted, it is determined as the user equipment is dispatched in the carrier wave second
Candidate RB number；
If first candidate's RB number is less than the second candidate RB number, first candidate's RB number is determined
The second candidate RB number is otherwise determined as target RB number for target RB number.
Optionally, the receiving module, is also used to receive the uplink signal-tonoise information that the user equipment is sent, it is described on
Row signal-tonoise information includes the letter that the user equipment measures on the carrier wave of at least one described carrier wave polymerization cluster
It makes an uproar and compares parameter.
The third aspect, the present invention provide a kind of base station, comprising:
Memory；
Processor；And
Computer program；
Wherein, the computer program stores in the memory, and is configured as being executed by the processor with reality
Now such as the described in any item methods of first aspect.
Fourth aspect, the present invention provide a kind of computer readable storage medium, are stored thereon with computer program；The meter
Calculation machine program is executed by processor to realize such as the described in any item methods of first aspect.
Ascending power control method provided by the invention and base station, which comprises receive what user equipment was sent
PHR, the PHR include power margin information of the user equipment at least one carrier wave polymerization cluster；For at least one described load
Each carrier wave in wave polymerization cluster obtains the user equipment in the transmission power of each carrier wave according to the PHR；Root
Power is sent in the transmission power of each carrier wave and the maximum of the user equipment according to the user equipment, determines institute
The scheduling carrier wave set of user equipment is stated, so that the sum of transmission power of carrier wave in the scheduling carrier wave set is without departing from described
The maximum transmission power of user equipment；According to the scheduling carrier wave set, power control is carried out to the user equipment.The present invention
The ascending power control method of offer and base station ensure that multiple uplinks of user equipment carry when determining scheduling carrier wave set
The sum of transmission power of wave without departing from the user equipment maximum transmission power so that this method can be adapted on asymmetrical
Row carrier aggregation scene realizes the uplink power control function under asymmetrical up-link carrier aggregation scene, so as to
The interference between user equipment is reduced, extend user equipment battery uses the time.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the carrier wave schematic diagram that base station is some user device configuration；
Fig. 2 is the Packet State schematic diagram of asymmetrical up-link carrier polymerization；
Fig. 3 is the flow chart of ascending power control method embodiment one provided by the invention；
Fig. 4 is the flow chart of ascending power control method embodiment two provided by the invention；
Fig. 5 is to obtain user equipment in the flow chart of the transmission power of each carrier wave；
Fig. 6 is the flow chart for determining the scheduling carrier wave set of user equipment；
Fig. 7 is the structural schematic diagram of base station embodiment one provided by the invention；
Fig. 8 is the structural schematic diagram of base station embodiment two provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Description and claims of this specification and term " first ", " second ", " third " " in above-mentioned attached drawing
The (if present)s such as four " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should manage
The data that solution uses in this way are interchangeable under appropriate circumstances, so that the embodiment of the present invention described herein for example can be to remove
Sequence other than those of illustrating or describe herein is implemented.In addition, term " includes " and " having " and theirs is any
Deformation, it is intended that cover it is non-exclusive include, for example, containing the process, method of a series of steps or units, system, production
Product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for this
A little process, methods, the other step or units of product or equipment inherently.
In current LTE system, single carrier maximum supports the system bandwidth of 20M, if to support bigger bandwidth,
It needs using carrier aggregation technology.In the demand of common public network, general downlink throughput capacity is greater than uplink throughput, therefore,
In general LTE standard, it is defined for the polymerization of symmetrical carrier wave and the polymerization of asymmetrical descending carrier, it is desirable that descending carrier
Number is more than or equal to up-link carrier number, it is possible to meet the needs of common public network.But in the industry-specific cordless communication network in portion
In, such as: there are in the network of a large amount of video monitoring class business, have demand of the uplink throughput greater than downlink throughput capacity.
Currently, carrier aggregation scheme defined in general LTE standard is unable to satisfy such demand, therefore, it is necessary to use up-link carrier
Number is greater than the asymmetrical up-link carrier polymerization technique of descending carrier number.
Under normal circumstances, in order to extend user equipment battery using the time and reduce user equipment between interference,
Base station is needed to control using control control method the power of user equipment.
However, existing Poewr control method, it is only applicable to symmetrical carrier wave polymerization defined in LTE standard and asymmetrical
The scene of descending carrier polymerization.Under the scene of asymmetrical up-link carrier polymerization, a user equipment may be worked at the same time
On multiple up-link carriers, there is presently no corresponding Poewr control methods.
Ascending power control method provided by the invention and base station can be realized under asymmetrical up-link carrier aggregation scene
Uplink power control function, to reduce the interference between user equipment, extend user equipment battery uses the time.
The implementation of asymmetrical up-link carrier polymerization is introduced first.Fig. 1 is that base station is some user device configuration
Carrier wave schematic diagram, as shown in Figure 1, the up-link carrier number for being assumed to be the user device configuration is M, descending carrier number is N, and M >
N, M and N are the integer more than or equal to 1.Fig. 2 is asymmetrical up-link carrier polymerization Packet State schematic diagram, as shown in Fig. 2,
When carrying out the polymerization of asymmetrical up-link carrier, M up-link carrier and N number of descending carrier are decomposed into N number of carrier wave and polymerize cluster, each
It includes a descending carrier and K up-link carrier that carrier wave, which polymerize cluster, and K is the integer more than or equal to 1.Wherein, each carrier wave polymerization
In cluster, descending carrier and its a corresponding up-link carrier form FDD main carrier, and other up-link carriers are defined as supplement uplink
(Supplemental UpLink, SUL) secondary carrier.
It should be noted that ascending power control method provided by the invention and base station, it is as shown in Figure 2 non-right to can be used for
It is much of the uplink power control process of row carrier aggregation scene.
Technical solution of the present invention is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Fig. 3 is the flow chart of ascending power control method embodiment one provided by the invention, and the method for the present embodiment is held
Row main body can be base station.As shown in figure 3, the method for the present embodiment, comprising:
S11: receiving power headroom reporting (PHR) PHR, the PHR that user equipment is sent includes the user equipment at least one
The power margin information of a carrier wave polymerization cluster, wherein each carrier wave polymerization cluster includes a main carrier and at least one benefit
Fill row SUL secondary carrier with.
Specifically, base station has been user device configuration, at least one carrier wave polymerize cluster, for example, two carrier waves polymerize cluster, often
It include a main carrier and at least one SUL secondary carrier in a carrier wave polymerization cluster, wherein main carrier can be as shown in Figure 2
FDD main carrier.User equipment sends PHR to base station, includes the user equipment in PHR at least one described carrier wave polymerization cluster
The power margin information of all up-link carriers.
Optionally, for one of up-link carrier, power margin information can be according to the emission maximum of user equipment
The actual emission power of power and the carrier wave obtains, for example, the maximum transmission power of the user equipment is subtracted the reality of the carrier wave
Border transmission power obtains the power margin information of the carrier wave.
Optionally, for one of up-link carrier, power margin information can also be carrier wave configuration according to base station
Maximum transmission power and the carrier wave actual emission power obtain, for example, by base station be the carrier wave configuration emission maximum function
Rate subtracts the actual emission power of the carrier wave, obtains the power margin information of the carrier wave.
It should be noted that the present invention sends user equipment the mode of PHR, and it is not especially limited, for example, wherein
A kind of optional mode is that user equipment can send PHR on all up-link carriers, and each PHR includes corresponding load
The power margin information of wave；Optionally mode is another kind, and user equipment can polymerize cluster according to carrier wave to report PHR, such as
PHR only is sent on the main carrier of each carrier wave polymerization cluster, or only sends PHR in a SUL secondary carrier wherein, the PHR
In include the carrier wave polymerization cluster in all up-link carriers power margin information；Another optional mode is that user equipment is only
PHR is sent on one of carrier wave in all up-link carriers, the power headroom in the PHR including all up-link carriers is believed
Breath.
S12: it obtains the user according to the PHR for each carrier wave at least one described carrier wave polymerization cluster and sets
The standby transmission power in each carrier wave.
Specifically, user equipment can be known in each up-link carrier after base station receives the PHR that user equipment is sent
Power margin information, base station are each of user equipment according to the channel situation of the power margin information and each carrier wave
Carrier wave determines a power adjustment, so as to obtain user equipment in the transmission power of each carrier wave, it should be noted that
Transmission power herein refers to user equipment in the objective emission power of next uplink sending instant.
S13: it is sent out according to the user equipment in the transmission power of each carrier wave and the maximum of the user equipment
Power is penetrated, determines the scheduling carrier wave set of the user equipment, so that the transmission power of the carrier wave in the carrier wave scheduling set
The sum of without departing from the user equipment maximum transmission power.
Specifically, user equipment may work at the same time on multiple due in asymmetrical up-link carrier aggregation scene
On row carrier wave, in order to avoid service feature decline, need to guarantee transmission power of the user equipment on all scheduled carrier waves
The sum of no more than the user equipment maximum transmission power.Therefore, base station is needed according to the user equipment in each carrier wave
The maximum transmission power of transmission power and user equipment determines the scheduling carrier wave set of the user equipment, so that the scheduling carries
The sum of transmission power of carrier wave in wave set is no more than the maximum transmission power of the user equipment.
Wherein, it is that the user equipment is dispatched in next uplink sending instant that the carrier wave in scheduling carrier wave set, which is base station,
Carrier wave, there are many ways to determining scheduling carrier wave set, one of optional embodiment is, from least one described carrier wave
It polymerize in the carrier wave of cluster, successively selects the carrier wave of preset number, and the sum of the transmission power for making selected carrier wave does not surpass
Scheduling carrier wave set is added in selected carrier wave by the maximum transmission power of user equipment out.
S14: according to the scheduling carrier wave set, power control is carried out to the user equipment.
Specifically, selecting the carrier wave in the scheduling carrier wave set when base station carries out carrier wave scheduling to the user equipment
It is scheduled, and carries the power adjustment parameters to scheduling carrier wave in scheduling parameter, for example, based on modulation and coding strategy
The power adjustment of (Modulation and Coding Scheme, MCS) and be based on power control command (Transmission
Power Control, TPC) power adjustment etc., thus realize to user equipment next uplink sending instant power
Control.
In the present embodiment, base station receives the PHR that user equipment is sent, and the PHR includes user equipment at least one load
The power margin information of wave polymerization cluster；It is obtained for each carrier wave at least one described carrier wave polymerization cluster according to the PHR
Take the user equipment in the transmission power of each carrier wave；According to the user equipment each carrier wave transmitting function
Rate and the maximum of the user equipment send power, the scheduling carrier wave set of the user equipment are determined, so that the scheduling
Maximum transmission power of the sum of the transmission power of carrier wave in carrier set without departing from the user equipment；It is carried according to the scheduling
Wave set carries out power control to the user equipment.Due to ensure that the more of user equipment when determining scheduling carrier wave set
The sum of transmission power of a up-link carrier without departing from the user equipment maximum transmission power so that this method can be adapted for it is non-
Symmetrical up-link carrier aggregation scene, that is, realize the uplink power control function under asymmetrical up-link carrier aggregation scene,
So as to reduce the interference between user equipment, extend user equipment battery uses the time.
Fig. 4 is the flow chart of ascending power control method embodiment two provided by the invention, on the basis of above-described embodiment
On, the optional embodiment of each step in embodiment one is described in detail in the present embodiment respectively.As shown in figure 4, this
The method of embodiment includes:
S21: receiving power headroom reporting (PHR) PHR, the PHR that user equipment is sent includes the user equipment at least one
The power margin information of a carrier wave polymerization cluster, wherein each carrier wave polymerization cluster includes a main carrier and at least one benefit
Fill row SUL secondary carrier with.
Wherein, for each carrier wave at least one described carrier wave polymerization cluster, the user equipment obtains the carrier wave
When power headroom, the estimated transmission power of user equipment is calculated according to the power adjustment parameters that base station issues first, then will be used
The maximum transmission power of family equipment subtracts the estimated transmission power, obtains user equipment in the power headroom of the carrier wave.Wherein,
The method that user equipment calculates estimated transmission power includes but is not limited to following mode:
If the user equipment only sends PUSCH on the carrier wave, the transmitting in the carrier wave is obtained according to the following formula
Power:
Wherein, Ppusch(i, j) is transmission power of the user equipment in i-th of carrier wave jth subframe, PcmaxFor the use
The maximum transmission power of family equipment, Mpusch(i, j) is that base station is the RB that the user equipment is distributed in i-th of carrier wave jth subframe
Number, P0_pusch(i, j) is that base station is target power of the user equipment in the i-th carrier wave jth sub-frame configuration, and α (i, j) is base
It stands as the user equipment in the path loss penalty coefficient of the i-th carrier wave jth sub-frame configuration, the PL user equipment measurement obtains
Downlink path loss, ΔTF(i, j) be the user equipment the power offset based on MCS in i-th of carrier wave jth subframe, f (i,
It j) is the dynamic power adjustment amount based on TPC command of the user equipment in i-th of carrier wave jth subframe.
If the user equipment sends PUSCH and PUCCH simultaneously on the carrier wave, the carrier wave is obtained according to the following formula
Transmission power:
Wherein, Ppusch(i, j) is transmission power of the user equipment in i-th of carrier wave jth subframe,For the use
The linear value of the maximum transmission power of family equipment,For the user equipment i-th of carrier wave jth subframe PUCCH
The linear value of transmission power, Mpusch(i, j) is that base station is the RB number that the user equipment is distributed in i-th of carrier wave jth subframe,
P0_pusch(i, j) is that base station is target power of the user equipment in the i-th carrier wave jth sub-frame configuration, and α (i, j) is for base station
For the user equipment in the path loss penalty coefficient of the i-th carrier wave jth sub-frame configuration, PL is the downlink that the user equipment measurement obtains
Path loss, ΔTF(i, j) is the power offset based on MCS in i-th of carrier wave jth subframe of the user equipment, and f (i, j) is
Dynamic power adjustment amount based on TPC command of the user equipment in i-th of carrier wave jth subframe.
S22: it obtains the user according to the PHR for each carrier wave at least one described carrier wave polymerization cluster and sets
The standby transmission power in each carrier wave.
Specifically, Fig. 5 is to obtain user equipment in the flow chart of the transmission power of each carrier wave, S22 is shown wherein
A kind of optional embodiment, as shown in Figure 5, comprising:
S221: according to the PHR, the user equipment is obtained in the power spectral density of the carrier wave.
Specifically, after base station receives PHR, according to user equipment the carrier wave power margin information and user equipment
Maximum transmission power, can know user equipment in the current transmission power of the carrier wave, it is available according to current transmission power
Power spectral density of the user equipment in the carrier wave.It should be noted that the present invention does not make the method for obtaining power spectral density
It is specific to limit, method in the prior art can be used.
S222: it is determined as the target resource block RB number that the user equipment is dispatched on the carrier wave.
Specifically, base station can be according to the signal quality of the carrier wave, the transmission power situation of the carrier wave, the user
The maximum transmission power of equipment, and/or user equipment data volume situation to be transmitted, are determined as the user equipment in institute
State scheduling RB number on carrier wave.
One of optional embodiment is, according to the maximum transmission power of the user equipment, to be determined as the use
First candidate's RB number that family equipment is dispatched in the carrier wave；According to user equipment data volume to be transmitted, it is determined as institute
State second candidate's RB number that user equipment is dispatched in the carrier wave；If it is candidate that first candidate's RB number is less than described second
The first candidate RB number is then determined as target RB number by RB number, and otherwise, the second candidate RB number is determined as
Target RB number.
S223: according to the power spectral density and the target RB number, the user equipment is obtained in the carrier wave
Transmission power.
Specifically, the power spectral density is multiplied with the target RB number, the user equipment is obtained in the load
The transmission power of wave.
S23: the transmission power according to the user equipment in each carrier wave, the emission maximum function of the user equipment
The signal quality and/or service quality of rate and each carrier wave determine the scheduling carrier wave set of the user equipment.
Specifically, in all carrier waves of at least one described carrier wave polymerization cluster, selection signal quality and/or service quality
Scheduling carrier wave set is added in preferable carrier wave, and the sum of meets the power of all carrier waves in scheduling carrier wave set without departing from institute
State the requirement of the maximum transmission power of user equipment.
Fig. 6 is the flow chart for determining the scheduling carrier wave set of user equipment, shows base station and determines scheduling carrier wave set
One of optional embodiment.As shown in Figure 6, comprising:
S231: according to the signal quality and/or service quality, the carrier wave of at least one described carrier wave polymerization cluster is carried out
Sequence, the carrier wave sequence after being sorted.
S232: according to the sequence of carrier wave in the carrier wave sequence, the transmission power for the carrier wave that successively adds up, until cumulative transmitting
Then scheduling carrier wave set is added in the carrier wave to have added up by maximum transmission power of the sum of power beyond the user equipment.
It should be understood that can according to the specific requirements of real network, select suitable parameter characterize signal quality and/
Or service quality, optionally, the signal quality includes signal-to-noise ratio parameter；The service quality includes packet loss and service time delay
Parameter.
Optionally, before S23 further include: receive the uplink signal-tonoise information that the user equipment is sent, the uplink letter
It makes an uproar than the information signal-to-noise ratio that include the user equipment measure on the carrier wave of at least one described carrier wave polymerization cluster
Parameter.
Specifically, since base station obtains the signal-to-noise ratio parameter that user equipment measures on up-link carrier, in determination
When scheduling carrier wave set, first up-link carrier can be ranked up according to signal-to-noise ratio parameter, then according still further to the carrier wave after sequence
Sequence, the transmission power for the carrier wave that successively adds up, if after the transmission power for some carrier wave that adds up, the sum of obtained transmission power is super
Go out the maximum transmission power of the user equipment, then scheduling carrier wave set has been added in the carrier wave to have added up before the carrier wave, it should
Carrier wave and subsequent carrier wave are no longer participate in cumulative.
It should be understood that due to when determining scheduling carrier wave set, it is also contemplated that the signal-to-noise ratio parameter of carrier wave, so that base station
Carrier wave to the dispatching user facility is that the higher carrier wave of signal-to-noise ratio can also mention while realizing control function of power
Rise the performance of network.
Fig. 7 is the structural schematic diagram of base station embodiment one provided by the invention, as shown in fig. 7, the base station of the present embodiment
100, comprising: receiving module 101, power acquisition module 102, determining module 103 and power control module 104.
Receiving module 101, power headroom reporting (PHR) PHR, the PHR for receiving user equipment transmission include the user
Power margin information of the equipment at least one carrier wave polymerization cluster, wherein each carrier wave polymerization cluster includes a main carrier
Uplink SUL secondary carrier is supplemented at least one.
Power acquisition module 102, for polymerizeing each carrier wave in cluster at least one described carrier wave, according to described
PHR obtains the user equipment in the transmission power of each carrier wave.
Determining module 103, for according to the user equipment in each carrier wave transmission power and the user
The maximum transmission power of equipment determines the scheduling carrier wave set of the user equipment, so that the load in the scheduling carrier wave set
Maximum transmission power of the sum of the transmission power of wave without departing from the user equipment.
Power control module 104, for carrying out power control to the user equipment according to the scheduling carrier wave set.
Optionally, determining module 103, specifically for according to the user equipment each carrier wave transmission power,
The signal quality and/or service quality of the maximum transmission power of the user equipment and each carrier wave, determine the use
The scheduling carrier wave set of family equipment.
Optionally, determining module 103 are specifically used for according to the signal quality and/or service quality, to described at least one
The carrier wave of a carrier wave polymerization cluster is ranked up, the carrier wave sequence after being sorted；According to the sequence of carrier wave in the carrier wave sequence,
Successively add up carrier wave transmission power, until add up transmission power sum beyond the maximum transmission power of the user equipment, then
Scheduling carrier wave set is added in the carrier wave to have added up.
Optionally, the signal quality includes signal-to-noise ratio parameter；When the service quality includes packet loss parameter and service
Prolong parameter.
Optionally, power acquisition module 102 are specifically used for obtaining the user equipment in the carrier wave according to the PHR
Power spectral density；It is determined as the target resource block RB number that the user equipment is dispatched on the carrier wave；According to the function
Rate spectrum density and the target RB number, obtain the user equipment in the transmission power of the carrier wave.
Optionally, power acquisition module 102 are determined as specifically for the maximum transmission power according to the user equipment
First candidate's RB number that the user equipment is dispatched in the carrier wave；According to user equipment data volume to be transmitted, really
It is set to second candidate's RB number that the user equipment is dispatched in the carrier wave；If first candidate's RB number is less than described the
The first candidate RB number is then determined as target RB number by two candidate's RB numbers, otherwise, by the second candidate RB number
It is determined as target RB number.
Receiving module 101 is also used to receive the uplink signal-tonoise information that the user equipment is sent, the uplink signal-to-noise ratio
Information includes the signal-to-noise ratio parameter that the user equipment measures on the carrier wave of at least one described carrier wave polymerization cluster.
The base station 100 of the present embodiment, can be performed the technical side of the ascending power control method of any of the above-described embodiment of the method
Case, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
Fig. 8 is the structural schematic diagram of base station embodiment two provided by the invention, as shown in figure 8, the base station of the present embodiment
200, comprising: memory 201, processor 202 and computer program, wherein the computer program is stored in the storage
In device, and it is configured as executing the skill to realize the ascending power control method of any of the above-described embodiment of the method by the processor
Art scheme, it is similar that the realization principle and technical effect are similar, and details are not described herein again.
The present invention also provides a kind of computer readable storage mediums, are stored thereon with computer program；The computer journey
The technical solution that sequence is executed by processor to realize the ascending power control method of any of the above-described embodiment of the method, realization principle
Similar with technical effect, details are not described herein again.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of ascending power control method characterized by comprising
Receiving the power headroom reporting (PHR) PHR, the PHR that user equipment is sent includes that the user equipment is poly- at least one carrier wave
Close the power margin information of cluster, wherein each carrier wave polymerization cluster includes a main carrier and at least one supplement uplink SUL
Secondary carrier；
The user equipment is obtained described according to the PHR for each carrier wave at least one described carrier wave polymerization cluster
The transmission power of each carrier wave；
According to the user equipment in the transmission power of each carrier wave and the maximum transmission power of the user equipment,
The scheduling carrier wave set of the user equipment is determined, so that the sum of the transmission power of carrier wave in the scheduling carrier wave set does not surpass
The maximum transmission power of the user equipment out；
According to the scheduling carrier wave set, power control is carried out to the user equipment.
2. the method according to claim 1, wherein it is described according to the user equipment in each carrier wave
The maximum transmission power of transmission power and the user equipment determines the scheduling carrier wave set of the user equipment, comprising:
Transmission power according to the user equipment in each carrier wave, the maximum transmission power of the user equipment, and
The signal quality and/or service quality of each carrier wave determine the scheduling carrier wave set of the user equipment.
3. according to the method described in claim 2, it is characterized in that,
The transmission power according to the user equipment in each carrier wave, the maximum transmission power of the user equipment,
And the signal quality and/or service quality of each carrier wave, determine the scheduling carrier wave set of the user equipment, comprising:
According to the signal quality and/or service quality, the carrier wave of at least one described carrier wave polymerization cluster is ranked up, is obtained
Carrier wave sequence after sequence；
According to the sequence of carrier wave in the carrier wave sequence, the transmission power for the carrier wave that successively adds up, until the sum for the transmission power that adds up
Then scheduling carrier wave set is added in the carrier wave to have added up by the maximum transmission power beyond the user equipment.
4. according to the method in claim 2 or 3, which is characterized in that
The signal quality includes signal-to-noise ratio parameter；
The service quality includes packet loss parameter and service delay parameter.
5. according to the method described in claim 4, it is characterized in that,
It is described according to the PHR, obtain the user equipment in the transmission power of each carrier wave, comprising:
According to the PHR, the user equipment is obtained in the power spectral density of the carrier wave；
It is determined as the target resource block RB number that the user equipment is dispatched on the carrier wave；
According to the power spectral density and the target RB number, the user equipment is obtained in the transmission power of the carrier wave.
6. according to the method described in claim 5, it is characterized in that,
The target RB number for being determined as the user equipment and being dispatched on the carrier wave, comprising:
According to the maximum transmission power of the user equipment, it is determined as the first candidate that the user equipment is dispatched in the carrier wave
RB number；
According to user equipment data volume to be transmitted, it is determined as the second candidate that the user equipment is dispatched in the carrier wave
RB number；
If first candidate's RB number is less than the second candidate RB number, the first candidate RB number is determined as mesh
Otherwise the second candidate RB number is determined as target RB number by mark RB number.
7. according to the method described in claim 4, it is characterized in that,
According to the user equipment in the transmission power of each carrier wave and the emission maximum function of the user equipment
Rate, before the scheduling carrier wave set for determining the user equipment, further includes:
The uplink signal-tonoise information that the user equipment is sent is received, the uplink signal-tonoise information includes that the user equipment exists
The signal-to-noise ratio parameter measured on the carrier wave of at least one carrier wave polymerization cluster.
8. a kind of base station characterized by comprising
Receiving module, power headroom reporting (PHR) PHR, the PHR for receiving user equipment transmission include that the user equipment exists
The power margin information of at least one carrier wave polymerization cluster, wherein each carrier wave polymerization cluster is including a main carrier and at least
One supplement uplink SUL secondary carrier；
Power acquisition module, for being obtained for each carrier wave at least one carrier wave polymerization cluster according to the PHR
Transmission power of the user equipment in each carrier wave；
Determining module, for according to the user equipment in each carrier wave transmission power and the user equipment
Maximum transmission power determines the scheduling carrier wave set of the user equipment, so that the hair of the carrier wave in the scheduling carrier wave set
Penetrate maximum transmission power of the sum of the power without departing from the user equipment；
Power control module, for carrying out power control to the user equipment according to the scheduling carrier wave set.
9. a kind of base station characterized by comprising
Memory；
Processor；And
Computer program；
Wherein, the computer program stores in the memory, and is configured as being executed by the processor to realize such as
The described in any item methods of claim 1-7.
10. a kind of computer readable storage medium, which is characterized in that be stored thereon with computer program；
The computer program is executed by processor to realize the method according to claim 1 to 7.
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| CN110324886B (en) | 2022-02-15 |
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