CN104812040B - A kind of close-loop power controlling method and equipment of Physical Uplink Control Channel - Google Patents
A kind of close-loop power controlling method and equipment of Physical Uplink Control Channel Download PDFInfo
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- CN104812040B CN104812040B CN201410040812.9A CN201410040812A CN104812040B CN 104812040 B CN104812040 B CN 104812040B CN 201410040812 A CN201410040812 A CN 201410040812A CN 104812040 B CN104812040 B CN 104812040B
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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
- H04W52/08—Closed loop power control
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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
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/32—TPC of broadcast or control channels
- H04W52/325—Power control of control or pilot channels
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Abstract
The object of the present invention is to provide a kind of method and apparatus for providing close-loop power control information for PUCCH.When principal component carrier wave and one or more auxiliary component carriers polymerize common service in user equipment by carrier wave, and the HARQ information of the HARQ information comprising the principal component carrier wave and one or more auxiliary component carriers in the PUCCH of main plot, when in the PUCCH of secondary cell including the HARQ information of one or more auxiliary component carriers, base station equipment is according to according to the different DCI format information in the secondary cell downlink auxiliary component carrier, the TPC information for the close-loop power control for being used to indicate the uplink auxiliary component carrier that the secondary cell carries PUCCH is determined for the PUCCH of the secondary cell corresponding to the HARQ information comprising one or more auxiliary component carriers.Compared with prior art, the present invention realizes the PUCCH close-loop power controls on multiple component carriers, improves the performance of power control to provide corresponding TPC values corresponding to the secondary cell of the HARQ information comprising the auxiliary component carrier.
Description
Technical field
The present invention relates to the communications fields, more particularly to one kind to be used in the polymerization of TDD-FDD carrier waves to multiple component carriers
The technology of the close-loop power control of upper PUCCH.
Background technology
Carrier wave polymerization is a Core Feature in the LTE system for enhance version, by using several carrier waves or small parallel
Area, to greatly improve the uplink and downlink rate of UE.The small of UE polymerizations with carrier wave polymerizable functional divides into a main plot and one
A secondary cell, the carrier wave that main plot uses are known as principal component carrier wave (Primary Component Carrier, referred to as PCC),
The carrier wave that secondary cell uses is known as auxiliary component carrier (Secondary Component Carrier, referred to as SCC).Specifically,
The descending carrier that main plot uses is known as downlink principal component carrier wave (Downlink Primary Component Carrier, letter
Referred to as DL PCC), up-link carrier is known as uplink principal component carrier wave (Uplink Primary Component Carrier, abbreviation
For UL PCC), the descending carrier that secondary cell uses is known as downlink auxiliary component carrier (Downlink Secondary Component
Carrier, referred to as DL SCC), up-link carrier is known as uplink auxiliary component carrier (Uplink Secondary Component
Carrier, referred to as UL SCC).
With the continuous development of LTE technologies, it has been proposed that the project of " LTE TDD-FDD are operated simultaneously ".In TDD-FDD
In carrier wave polymerization, there are following potential problems：
1) the PUCCH performance issues on main plot, such as when multiple small cells are shared similarly on macro base station
The non-co-located scene of PCell；
2) simplify scheduling/HARQ timing, especially when TDD component carriers are main plot/scheduling component carrier.
Currently, to solve the above-mentioned problems, it to support TDD-FDD carrier waves to polymerize, mainly uses by multiple uplinks
The PUCCH of link component carrier enhances or the mode of transmission.Specifically, such as two-way on the component carrier of TDD and FDD
PUCCH, or the time division multiplexing switching etc. between main plot and secondary cell PUCCH.In addition, in the system of small cell double linkage
In informational message, two-way PUCCH be also deemed to be confrontation due to it is non-ideal passback and caused by HARQ-ACK long delay reason
Think scheme.
In the art, UE only transmits PUCCH on main plot, the parameter TPC for carrying out close-loop power control
（Transmit Power Control, transmitting power control）It is acquired by following manner：
TPC is a user equipment uplink closed loop power specific correction value, included in for main plot, controlled with downlink
Information（Downlink Control Information, Downlink Control Information）Format 1A/1B/1D/1/2A/2/2B/2C/2D's
In PDCCH, either comprising for main plot, in the EPDCCH of DCI format 1A/1B/1D/1/2A/2/2B/2C/2D or
Encode transmission jointly with the specific PUCCH corrected values of other UE, the common coding on the PDCCH with DCI format 3/3A,
Its CRC check position is scrambled with TPC-PUCCH-RNTI.
It is hereby understood that in the art, since the user equipment with carrier wave polymerizable functional only transmits on main plot
PUCCH, and only by main plot PUCCH come Specified Closed-loop power control；It is then not corresponding hence for the PUCCH of secondary cell
TPC values.If the PUCCH on multicarrier supports carrier wave polymerization or double linkage UE, the closed power of additional PUCCH is needed
Control.
Invention content
The object of the present invention is to provide a kind of method and apparatus for providing close-loop power control information for PUCCH.
According to an aspect of the invention, there is provided a kind of method for providing close-loop power control information for PUCCH,
Wherein, principal component carrier wave and one or more auxiliary component carriers polymerize common service in user equipment, main plot by carrier wave
PUCCH in the HARQ information of the HARQ information comprising the principal component carrier wave and one or more auxiliary component carrier,
Include the HARQ information of one or more auxiliary component carriers in the PUCCH of secondary cell, this method includes：
A determines that being used to indicate the secondary cell holds according to the DCI format information in the secondary cell downlink auxiliary component carrier
Carry PUCCH uplink auxiliary component carrier close-loop power control TPC information, wherein the downlink auxiliary component carrier with it is described
The uplink auxiliary component carrier for carrying PUCCH is corresponding；
The TPC information is sent to the user equipment by b.
According to another aspect of the present invention, a kind of base for providing close-loop power control information for PUCCH is additionally provided
It stands, wherein principal component carrier wave and one or more auxiliary component carriers polymerize common service in user equipment by carrier wave, and master is small
The HARQ letters of HARQ information comprising the principal component carrier wave and one or more auxiliary component carriers in the PUCCH in area
It ceases, the HARQ information of one or more auxiliary component carriers is included in the PUCCH of secondary cell, which includes：
Determining device, for according to the DCI format information in the secondary cell downlink auxiliary component carrier, determination to be used to indicate
The TPC information of the close-loop power control of the uplink auxiliary component carrier of the secondary cell carrying PUCCH, wherein auxiliary point of the downlink
Loading gage wave is corresponding with the carrying uplink auxiliary component carrier of PUCCH；
Sending device, for the TPC information to be sent to the user equipment.
According to another aspect of the invention, it additionally provides a kind of for assisting providing close-loop power control information for PUCCH
User equipment, wherein principal component carrier wave and one or more auxiliary component carrier polymerize common service in user by carrier wave
Equipment, the HARQ information comprising the principal component carrier wave and one or more auxiliary component carriers in the PUCCH of main plot
HARQ information, the HARQ information of one or more auxiliary component carriers is included in the PUCCH of secondary cell, which includes：
Acquisition device, for obtaining the closed loop work(for being used to indicate the uplink auxiliary component carrier that the secondary cell carries PUCCH
The TPC information of rate control；
Power control device, for according to the TPC information, executing auxiliary component carrier corresponding with the TPC information
PUCCH close-loop power controls.
In accordance with a further aspect of the present invention, it additionally provides a kind of for being for what PUCCH provided close-loop power control information
System, including base station equipment as described above and user equipment as described above.
Compared with prior art, the present invention is by according to the DCI format information in the secondary cell downlink auxiliary component carrier,
It is used to indicate the secondary cell for the secondary cell determination corresponding to the HARQ information comprising one or more auxiliary component carriers
Carry the TPC information of the close-loop power control of the uplink auxiliary component carrier of PUCCH, wherein the downlink auxiliary component carrier and institute
The uplink auxiliary component carrier for stating carrying PUCCH is corresponding；To for corresponding to including one or more auxiliary component carriers
The secondary cell of HARQ information provides corresponding TPC values, realizes the PUCCH close-loop power controls on multiple component carriers, carries
The high performance of power control.
Description of the drawings
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon：
Fig. 1 shows a kind of base station equipment schematic diagram for providing close-loop power control information for PUCCH；
Fig. 2 shows a kind of user equipment schematic diagrames for assisting providing close-loop power control information for PUCCH；
Fig. 3 shows a kind of method flow diagram for providing close-loop power control information for PUCCH.
Same or analogous reference numeral represents same or analogous component in attached drawing.
Specific implementation mode
For ease of understanding, the various abbreviations occurred in the description and/or in the accompanying drawings are defined as follows：
LTE：Long Term Evolution, long term evolution
TDD：Time Division Duplexing, time division duplex
FDD：Frequency Division Duplexing, frequency division duplex
PUCCH：Physical Uplink Control Channel, ascending physical signal control channel
PDCCH：Physical Downlink Control Channel, downlink physical control channel
CC：Component Carrier, component carrier
PCC：Primary Component Carrier, principal component carrier wave
SCC：Secondary Component Carrier, auxiliary component carrier
UE：User Equipment, user equipment
TDM：Time Division Multiplexing, time division multiplexing
TPC：Transmit Power Control, transmitting power control
DCI：Downlink Control Information, Downlink Control Information
DAI：Downlink Assignment Index, downlink distribution index
RACH：Random Access Channel, random access channel
CCE：Control Channel Elements, control channel element
ECCE：Enhanced Control Channel Elements enhance control channel element
SI：System Information Message, system information
HARQ：Hybrid Automatic Repeat Request, hybrid automatic repeat-request
ACK：Acknowledgement confirms response
NACK：Negative Acknowledgement, negative response
Present invention is further described in detail below in conjunction with the accompanying drawings.
Fig. 1 shows a kind of base station equipment schematic diagram for providing close-loop power control information for PUCCH；Wherein, main
Component carrier and one or more auxiliary component carriers polymerize common service in user equipment, the PUCCH of main plot by carrier wave
In the HARQ information of the HARQ information comprising the principal component carrier wave and one or more auxiliary component carrier, secondary cell
Include the HARQ information of one or more auxiliary component carriers in PUCCH, the base station equipment 1 includes determining device 11, hair
Send device 12.Specifically, the determining device 11 is according to the DCI format information in the secondary cell downlink auxiliary component carrier, really
Surely it is used to indicate the TPC information of the close-loop power control of the uplink auxiliary component carrier of the secondary cell carrying PUCCH, wherein institute
It is corresponding with the carrying uplink auxiliary component carrier of PUCCH to state downlink auxiliary component carrier；The sending device 12 is by the TPC
Information is sent to the user equipment.
Wherein, the base station equipment is the eNB applied in LTE or LTE-A standards（Evolved Node B, it is evolved
Base station）.
Specifically, principal component carrier wave and one or more auxiliary component carriers polymerize common service by carrier wave and are set in user
It is standby, the HARQ letters of HARQ information and the part auxiliary component carrier comprising the principal component carrier wave in the PUCCH of main plot
It ceases, the HARQ information of the auxiliary component carrier comprising another part in the PUCCH of secondary cell；Here, included in secondary cell
The auxiliary component carrier in PUCCH is different from the auxiliary component carrier included in main plot, but above-mentioned auxiliary component carrier
Serve the user equipment.
According to the above description, those skilled in the art will be understood that in the present invention, by a part of auxiliary component carrier
The HARQ information of HARQ information and principal component carrier wave is placed in the PUCCH of main plot jointly, and by another part auxiliary component carrier
HARQ information be placed in the PUCCH of secondary cell.To here, " secondary cell " and being not specific to a certain specific auxiliary component
Carrier wave, but HARQ information is placed in the set of one or more of PUCCH auxiliary component carriers.Here, this field skill
Art personnel will be understood that in the following description, and such as without certain illustrated, " secondary cell " mean value in the present invention is for said one
Or the set of multiple auxiliary component carriers.Correspondingly, it is auxiliary with one or more that described " main plot " refers also to the principal component carrier wave
The set of component carrier.
Here, those skilled in the art will be understood that the PUCCH for main plot, it is embodied as institute using the prior art
The PUCCH for stating main plot provides close-loop power control.For example, obtained in the following manner for being transmitted control command TPC,
To carry out close-loop power control：
TPC be a UE uplink closed loop power specific correction value, be included in for main plot, with Downlink Control Information
（DCI）In the PDCCH of format 1A/1B/1D/1/2A/2/2B/2C/2D；Or comprising for main plot, with downlink control believe
Breath（DCI）In the EPDCCH of format 1A/1B/1D/1/2A/2/2B/2C/2D；Or it is total with the specific PUCCH corrected values of other UE
It is sent with coding, the common coding is on the PDCCH with DCI format 3/3A, CRC check position and TPC-PUCCH-RNTI
Scrambling.
And the PUCCH of close-loop power control to(for) secondary cell, the determining device 11 are auxiliary according to the secondary cell downlink
DCI format information in component carrier determines the closed loop for the uplink auxiliary component carrier for being used to indicate the secondary cell carrying PUCCH
The TPC information of power control, wherein the downlink auxiliary component carrier is opposite with the carrying uplink auxiliary component carrier of PUCCH
It answers.
Specifically, in one or more auxiliary component carriers corresponding to the secondary cell：
When the auxiliary component carrier is FDD sub-carrier amounts, by certain criterion, it is described auxiliary small for carrying that there are one
The uplink auxiliary component carrier of area PUCCH and a downlink auxiliary component carrier corresponding with the uplink auxiliary component carrier；
When the auxiliary component carrier is TDD component carriers, the auxiliary component of uplink for carrying the secondary cell PUCCH
Carrier wave and downlink auxiliary component carrier corresponding with the uplink auxiliary component carrier are the same component carrier.
The determining device 11 determines different according to the DCI format information with the PDSCH in the downlink auxiliary component carrier
The method for determining the TPC information, and according to corresponding method, determine and be used to indicate the secondary cell carrying PUCCH
Uplink auxiliary component carrier close-loop power control TPC information.
Wherein, the DCI format information includes but not limited to " 1A/1B/1D/1/2A/2/2B/2C/2D ", " 3/3A " etc..
For example, when the DCI format information is " 1A/1B/1D/1/2A/2/2B/2C/2D ", if the auxiliary component carrier
For FDD component carriers, then can will in the downlink auxiliary component carrier, in DCI format 1A/1B/1D/1/2A/2/2B/2C/2D
In PDCCH/EPDCCH in TPC values be directly used as the uplink auxiliary component carrier PUCCH close-loop power controls adjustment
Value；And in the prior art, the TPC values are used as indicating the PUCCH resource distribution instruction information of the secondary cell PDSCH
's.
For example, when the DCI format information is " 3/3A ", new DCI is can define for indicating that the secondary cell is held
Carry the TPC information of the close-loop power control of the uplink auxiliary component carrier of PUCCH；The DCI and existing 3/3A of the new definition have
There are identical content and size；New TPC-PUCCH-RNTI information is defined simultaneously, for the common search of the main plot
New DCI in space.
The TPC information is sent to the user equipment by the sending device 12.
Preferably, when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D, the determining device 11 can
According to the DCI format information in the secondary cell downlink auxiliary component carrier, to determine in the DCI format information for carrying out
The field of TPC, wherein the downlink auxiliary component carrier is corresponding with the carrying uplink auxiliary component carrier of PUCCH；It is used for by described in
The field of TPC is carried out as the close-loop power control for the uplink auxiliary component carrier for being used to indicate secondary cell carrying PUCCH
TPC information.
Preferably, when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D, the base station equipment 1 is also
Determining device is indicated including resource（It is not shown）, wherein the resource instruction determining device determination is used to indicate the secondary cell
The resource distribution instruction information of the PUCCH of PDSCH.
Specifically, when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D, if the carrying PUCCH
Uplink auxiliary component carrier be FDD component carriers, then will in the downlink auxiliary component carrier, in DCI format 1A/1B/1D/1/
One or more of PDCCH/EPDCCH in 2A/2/2B/2C/2D TPC values are directly used as the uplink auxiliary component carrier
The adjusted value of PUCCH close-loop power controls；And in the prior art, the TPC values are used as indicating the secondary cell PDSCH's
PUCCH resource distribution instruction information.Correspondingly, the resource distribution instruction of the PUCCH of corresponding one or more PDSCH transmissions
Information is then by the first CCE nCCEAnd/or ECCEnECCE,qAnd HARQ-ACK resource offset field ΔsAROIt is implied, to carry out pair
The transmission of the DPCCH/EPDCCH answered.Here, all PDCCH of the downlink auxiliary component carrier, can voluntarily calculate described
The resource distribution instruction information of PUCCH.
Alternatively, when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D, if the carrying PUCCH
Uplink auxiliary component carrier be FDD component carriers, then will in the downlink auxiliary component carrier, in DCI format 1A/1B/1D/1/
The TPC values in the first PDCCH/EPDCCH in 2A/2/2B/2C/2D are used as the closed power control of the uplink auxiliary component carrier
The value of system.Correspondingly, the resource distribution instruction information of the PUCCH of corresponding PDSCH transmission is then by the first CCE nCCEAnd/or
ECCEnECCE,qAnd HARQ-ACK resource offset field ΔsAROIt is implied, to carry out the transmission of corresponding DPCCH/EPDCCH.?
This, the first PDCCH of the downlink auxiliary component carrier can voluntarily calculate the resource distribution instruction information of the PUCCH；And it is right
For the PUCCH resource distribution instruction information of the PDSCH transmission in other uplink auxiliary component carriers of the secondary cell, institute is right
One of four resource values that TPC fields in the DCI format of the PDCCH/EPDCCH answered then be used to be configured from higher come
Determine the PUCCH resource distribution instruction information.
Alternatively, when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D, if the carrying PUCCH
Uplink auxiliary component carrier be TDD component carriers, and if PUCCH format be 1a/1b/1b cs when, it is determined that the TPC information with
And determine that the method for the resource distribution instruction information and the above-mentioned uplink auxiliary component carrier for working as the carrying PUCCH are FDD
It is same or similar when component carrier, therefore details are not described herein, and be incorporated herein by reference.
Alternatively, when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D, if the carrying PUCCH
Uplink auxiliary component carrier be TDD component carriers, will then by the downlink auxiliary component carrier, in DCI format 1A/1B/1D/1/
In 2A/2/2B/2C/2D, and when TDD PUCCH formats are 3, DAI=1, the TPC values in PDCCH/EPDCCH are used as on described
The value of the close-loop power control of row auxiliary component carrier.Correspondingly, the resource distribution instruction letter of the PUCCH of corresponding PDSCH transmission
Breath is then by the first CCE nCCEAnd/or ECCEnECCE,qAnd HARQ-ACK resource offset field ΔsAROIt is implied, to be corresponded to
DPCCH/EPDCCH transmission.Here, the PDCCH of the downlink auxiliary component carrier, can voluntarily calculate the PUCCH's
Resource distribution instruction information.
Here, for the determination side TPC when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D
For method, above-mentioned carried scheme can be applied in the polymerization of TDD-FDD carrier waves and bi-directional chaining.
Preferably, when the DCI format information is 3/3A, the determining device 11 can be according to the secondary cell downlink
Corresponding with the DCI format information additional DCI information is arranged in DCI format information in auxiliary component carrier, using as
Indicate the TPC information of the close-loop power control of the uplink auxiliary component carrier of the secondary cell carrying PUCCH, wherein the downlink
Auxiliary component carrier is corresponding with the carrying uplink auxiliary component carrier of PUCCH.
Specifically, when the DCI format information is 3/3A, the determining device 11 can define new additional DCI information
For indicating that the secondary cell carries the TPC information of the close-loop power control of the uplink auxiliary component carrier of PUCCH；It is described new fixed
The additional DCI information of justice and existing 3/3A contents having the same and size；New TPC-PUCCH-RNTI letters are defined simultaneously
Breath, for the new DCI in the public search space of the main plot.
Preferably, when the DCI format information is 3/3A, the determining device 11 can be according to the secondary cell downlink
DCI format information in auxiliary component carrier is provided in conjunction with scheduled time multiplexed transmission, determines that corresponding to the secondary cell carries
The DCI information of the uplink auxiliary component carrier of PUCCH；According to the DCI information, determines and be used to indicate the secondary cell carrying
The TPC information of the close-loop power control of the uplink auxiliary component carrier of PUCCH, wherein the downlink auxiliary component carrier is held with described
The uplink auxiliary component carrier for carrying PUCCH is corresponding.
Specifically, when the DCI format information is 3/3A, the determining device 11 can be according to scheduled time division multiplexing
Side of the different determinations corresponding to the DCI information of the uplink auxiliary component carrier of secondary cell carrying PUCCH is arranged in transmission regulation
Formula；For example, if DCI3/3A is detected in odd-numbered frame or subframe, it is determined as believing for the DCI of main plot PUCCH
Breath is determined as carrying PUCCH's for the secondary cell if DCI3/3A is detected in even frame or subframe
The DCI information of row auxiliary component carrier.Then, the determining device 11 is according to the DCI information, by the TPC in the DCI information
TPC information of the information as the close-loop power control for the uplink auxiliary component carrier for being used to indicate the secondary cell carrying PUCCH.
It is determined for described auxiliary small according to frame/subframe of odd number or even number here, those skilled in the art will be understood that
The mode of the DCI information of the uplink auxiliary component carrier of area carrier PUCCH is merely illustrative, and others are provided based on time multiplexed transmission
To determine the mode of the DCI information as can the present invention on probation（For example, by interval of for N frame or subframe be determined as be used for institute
State the DCI information of the uplink auxiliary component carrier of secondary cell carrying PUCCH）, it is also contained within protection scope of the present invention.
Preferably, when the DCI format information is 3/3A, the determining device 11 can be according to the secondary cell downlink
DCI format information in auxiliary component carrier, be based on multi-user's TPC mechanism, in the DCI format carrying be used to indicate it is described auxiliary
The TPC information of the close-loop power control of the uplink auxiliary component carrier of small area carrier PUCCH, wherein the downlink auxiliary component carrier
It is corresponding with the carrying uplink auxiliary component carrier of PUCCH；Wherein, the sending device 12 further includes positioning transmission unit
（It is not shown）, the positioning transmission unit sent out corresponding with TPC information TPC location informations by special high-level signaling
It send to the user equipment.
Specifically, when the DCI format information is 3/3A, the determining device 11 can reuse the multi-user
The TPC command of the PUCCH of the main plot and the secondary cell are carried the uplink auxiliary component carrier of PUCCH by TPC mechanism
The TPC command of PUCCH connect and be carried in the DCI3/3A；To, 2 TPC information are then contained in the DCI,
Therefore, the positioning transmission unit will location information corresponding with the 2 TPC information, be sent to pair by high-level signaling
The user equipment answered.
Preferably, when the DCI format information is 3/3A, the determining device 11 can be according to the secondary cell downlink
DCI format information in auxiliary component carrier, it is determining in the down-link auxiliary component carrier wave corresponding to the secondary cell to correspond to
The DCI information of the DCI format information, wherein the DCI information includes to be used to indicate the secondary cell to carry the upper of PUCCH
The TPC information of the close-loop power control of row auxiliary component carrier, the downlink auxiliary component carrier and the uplink of the carrying PUCCH are auxiliary
Component carrier is corresponding.
Specifically, when the DCI format information is 3/3A, if the uplink auxiliary component carrier of the carrying PUCCH is TDD
Component carrier, downlink auxiliary point of the determining device 11 in the uplink auxiliary component carrier for carrying PUCCH corresponding to the secondary cell
In the uplink auxiliary component carrier of loading gage wave or secondary cell carrying PUCCH, transmit for carrying PUCCH's to the secondary cell
Uplink auxiliary component carrier carries out the DCI3/3A of close-loop power control；To which the TPC information is placed on the auxiliary component of the downlink
In the public search space of carrier wave.
Here, this method is more suitable for bi-directional chaining.
Due to the non-ideal passback time delay between macro base station and prothetic group station, turn from the prothetic group station to the macro base station
The TPC information of the close-loop power control of the uplink auxiliary component carrier for the carrying PUCCH that sends out secondary cell described, then in downlink main plot
Upper delivery TPC may not meet the dynamic change of uplink channel of the secondary cell in PUCCH.
In bi-directional chaining, it is seen that the contention based on random access channel supports the random access channel of secondary cell, and
Msg2 for secondary cell random access channel is sent in the public search space of the downlink auxiliary component carrier of secondary cell, with
The long-time caused by being forwarded to the Msg2 of macro base station from prothetic group station is avoided to postpone, user equipment is believed with physical control
Road needs to search for the public search space for the downlink secondary cell for being connected to the secondary cell.Therefore, for being bi-directionally connected, this method
Simplify the mode that DCI3/3A is further sent together with physical control channel, wherein the DCI is to be used for the secondary cell
It the power adjustment of PUCCH and is carried in the public search space of downlink auxiliary component carrier of the secondary cell, and described auxiliary
The up-link power of cell PUCCH can be adjusted more dynamically.And in current carrier wave polymerization regime, then not to described
The public search space of secondary cell scans for, and Msg2 is always transmitted on the public search space of main plot.
Here, those skilled in the art will be understood that the determining TPC's when the DCI format information is 3/3A
Method can be adapted for multiple user equipmenies and polymerize to the carrier wave of the principal component carrier wave and auxiliary component carrier.
Fig. 2 shows a kind of user equipment schematic diagrames for assisting providing close-loop power control information for PUCCH；Its
In, principal component carrier wave and one or more auxiliary component carrier polymerize common service in user equipment by carrier wave, main plot
The HARQ information of HARQ information comprising the principal component carrier wave and one or more auxiliary component carriers in PUCCH, it is auxiliary
Include the HARQ information of one or more auxiliary component carriers in the PUCCH of cell, the user equipment 2 includes acquisition device
21, power control device 22.Specifically, acquisition device 21 obtains the auxiliary component load of uplink for being used to indicate the secondary cell carrying PUCCH
The TPC information of the close-loop power control of wave；Power control device 22 executes corresponding with the TPC information according to the TPC information
The PUCCH close-loop power controls of auxiliary component carrier.
According to the above description, those skilled in the art will be understood that in the present invention, by a part of auxiliary component carrier
The HARQ information of HARQ information and principal component carrier wave is placed in the PUCCH of main plot jointly, and by another part auxiliary component carrier
HARQ information be placed in the PUCCH of secondary cell.To here, " secondary cell " and being not specific to a certain specific auxiliary component
Carrier wave, but HARQ information is placed in the set of one or more of PUCCH auxiliary component carriers.Here, this field skill
Art personnel will be understood that in the following description, and such as without certain illustrated, " secondary cell " mean value in the present invention is for said one
Or the set of multiple auxiliary component carriers.Correspondingly, it is auxiliary with one or more that described " main plot " refers also to the principal component carrier wave
The set of component carrier.
The user equipment 2 coordinates jointly with the base station equipment 1, and close-loop power control letter is provided to be embodied as PUCCH
Breath.
Acquisition device 21 obtains the closed power control for the uplink auxiliary component carrier for being used to indicate the secondary cell carrying PUCCH
The TPC information of system.
Specifically, the acquisition device 21 is based on LTE communication agreement, obtains and use by interacting with the base station equipment
In the TPC information of the close-loop power control for the uplink auxiliary component carrier for indicating the secondary cell carrying PUCCH.Here, described obtain
Take device 21 that can pass through scheduled side for example, by the DCI format information according to the PDSCH in the downlink auxiliary component carrier
Formula obtains described TPC information etc. to the mode that the TPC information in the PDCCH/EPDCCH is detected.
Preferably, the acquisition device 21 can be in the common search of the downlink auxiliary component carrier corresponding to the secondary cell
DCI information is searched in space, wherein the DCI information includes the TPC letters for the secondary cell PUCCH close-loop power controls
Breath, the downlink auxiliary component carrier are corresponding with the secondary cell carrying uplink auxiliary component carrier of PUCCH；According to the DCI
Information obtains the TPC information of the close-loop power control for the uplink auxiliary component carrier for being used to indicate secondary cell carrying PUCCH.
Specifically, the DCI format information be 3/3A when, the acquisition device 21 can the secondary cell downlink it is auxiliary
DCI information is searched in the public search space of component carrier, here, the downlink auxiliary component carrier is carried with the secondary cell
The specific downlink auxiliary component carrier that the uplink auxiliary component carrier of PUCCH is linked, comprising for described auxiliary in the DCI information
The TPC information of cell PUCCH close-loop power controls.User equipment is decoded from the public search space on corresponding position
, instruction secondary cell carrying PUCCH uplink auxiliary component carrier close-loop power control TPC information.
Here, those skilled in the art will be understood that this method may be because the operation of more blind decodings and described in increasing
The power consumption of user equipment.
Power control device 22 executes the PUCCH of auxiliary component carrier corresponding with the TPC information according to the TPC information
Close-loop power control.
Specifically, the power control device 22 executes close-loop power control according to the TPC information to the PUCCH.
Fig. 3 shows a kind of method flow diagram for providing close-loop power control information for PUCCH.Wherein, principal component
Carrier wave and one or more auxiliary component carriers polymerize common service by carrier wave and are wrapped in user equipment, the PUCCH of main plot
The HARQ information of HARQ information and one or more auxiliary component carriers containing the principal component carrier wave, secondary cell
Include the HARQ information of one or more auxiliary component carriers in PUCCH.Specifically, in step s1, the base station equipment 1
According to the DCI format information in the secondary cell downlink auxiliary component carrier, determines and be used to indicate the secondary cell carrying PUCCH's
The TPC information of the close-loop power control of uplink auxiliary component carrier, wherein the downlink auxiliary component carrier and the carrying PUCCH
Uplink auxiliary component carrier it is corresponding；In step s2, the TPC information is sent to the user and set by the base station equipment 1
It is standby.
Wherein, the base station equipment is the eNB applied in LTE or LTE-A standards（Evolved Node B, it is evolved
Base station）.
Specifically, principal component carrier wave and one or more auxiliary component carriers polymerize common service by carrier wave and are set in user
It is standby, the HARQ letters of HARQ information and the part auxiliary component carrier comprising the principal component carrier wave in the PUCCH of main plot
It ceases, the HARQ information of the auxiliary component carrier comprising another part in the PUCCH of secondary cell；Here, included in secondary cell
The auxiliary component carrier in PUCCH is different from the auxiliary component carrier included in main plot, but above-mentioned auxiliary component carrier
Serve the user equipment.
According to the above description, those skilled in the art will be understood that in the present invention, by a part of auxiliary component carrier
The HARQ information of HARQ information and principal component carrier wave is placed in the PUCCH of main plot jointly, and by another part auxiliary component carrier
HARQ information be placed in the PUCCH of secondary cell.To here, " secondary cell " and being not specific to a certain specific auxiliary component
Carrier wave, but HARQ information is placed in the set of one or more of PUCCH auxiliary component carriers.Here, this field skill
Art personnel will be understood that in the following description, and such as without certain illustrated, " secondary cell " mean value in the present invention is for said one
Or the set of multiple auxiliary component carriers.Correspondingly, it is auxiliary with one or more that described " main plot " refers also to the principal component carrier wave
The set of component carrier.
Here, those skilled in the art will be understood that the PUCCH for main plot, it is embodied as institute using the prior art
The PUCCH for stating main plot provides close-loop power control.For example, obtained in the following manner for being transmitted control command TPC,
To carry out close-loop power control：
TPC be a UE uplink closed loop power specific correction value, be included in for main plot, with Downlink Control Information
（DCI）In the PDCCH of format 1A/1B/1D/1/2A/2/2B/2C/2D；Or comprising for main plot, with downlink control believe
Breath（DCI）In the EPDCCH of format 1A/1B/1D/1/2A/2/2B/2C/2D；Or it is total with the specific PUCCH corrected values of other UE
It is sent with coding, the common coding is on the PDCCH with DCI format 3/3A, CRC check position and TPC-PUCCH-RNTI
Scrambling.
And the PUCCH of close-loop power control to(for) secondary cell, in step s1, the base station equipment 1 is according to described auxiliary
DCI format information in cell downlink auxiliary component carrier determines the auxiliary component of uplink for being used to indicate the secondary cell carrying PUCCH
The TPC information of the close-loop power control of carrier wave, wherein auxiliary point of the uplink of the downlink auxiliary component carrier and the carrying PUCCH
Loading gage wave is corresponding.
Specifically, in one or more auxiliary component carriers corresponding to the secondary cell：
When the auxiliary component carrier is FDD sub-carrier amounts, by certain criterion, it is described auxiliary small for carrying that there are one
The uplink auxiliary component carrier of area PUCCH and a downlink auxiliary component carrier corresponding with the uplink auxiliary component carrier；
When the auxiliary component carrier is TDD component carriers, the auxiliary component of uplink for carrying the secondary cell PUCCH
Carrier wave and downlink auxiliary component carrier corresponding with the uplink auxiliary component carrier are the same component carrier.
In step s1, the base station equipment 1 is believed according to the DCI format of the PDSCH in the downlink auxiliary component carrier
Breath determines the different methods for determining the TPC information, and according to corresponding method, determination is used to indicate described auxiliary small
The TPC information of the close-loop power control of the uplink auxiliary component carrier of area carrier PUCCH.
Wherein, the DCI format information includes but not limited to " 1A/1B/1D/1/2A/2/2B/2C/2D ", " 3/3A " etc..
For example, when the DCI format information is " 1A/1B/1D/1/2A/2/2B/2C/2D ", if the auxiliary component carrier
For FDD component carriers, then can will in the downlink auxiliary component carrier, in DCI format 1A/1B/1D/1/2A/2/2B/2C/2D
In PDCCH/EPDCCH in TPC values be directly used as the uplink auxiliary component carrier PUCCH close-loop power controls adjustment
Value；And in the prior art, the TPC values are used as indicating the PUCCH resource distribution instruction information of the secondary cell PDSCH
's.
For example, when the DCI format information is " 3/3A ", new DCI is can define for indicating that the secondary cell is held
Carry the TPC information of the close-loop power control of the uplink auxiliary component carrier of PUCCH；The DCI and existing 3/3A of the new definition have
There are identical content and size；New TPC-PUCCH-RNTI information is defined simultaneously, for the common search of the main plot
New DCI in space.
In step s2, the TPC information is sent to the user equipment by the base station equipment 1.
Preferably, described in step s1 when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D
Base station equipment 1 can determine the DCI format information according to the DCI format information in the secondary cell downlink auxiliary component carrier
In for carrying out the field of TPC, wherein the downlink auxiliary component carrier is corresponding with the uplink auxiliary component carrier of PUCCH is carried；
Using the field for carrying out TPC as the closed loop for the uplink auxiliary component carrier for being used to indicate the secondary cell carrying PUCCH
The TPC information of power control.
Preferably, when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D, the method further includes step
Rapid s3（It is not shown）, wherein in step s3, the base station equipment 1 determines the PUCCH for being used to indicate the secondary cell PDSCH
Resource distribution instruction information.
Specifically, when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D, if the carrying PUCCH
Uplink auxiliary component carrier be FDD component carriers, then will in the downlink auxiliary component carrier, in DCI format 1A/1B/1D/1/
One or more of PDCCH/EPDCCH in 2A/2/2B/2C/2D TPC values are directly used as the uplink auxiliary component carrier
The adjusted value of PUCCH close-loop power controls；And in the prior art, the TPC values are used as indicating the secondary cell PDSCH's
PUCCH resource distribution instruction information.Correspondingly, the resource distribution instruction of the PUCCH of corresponding one or more PDSCH transmissions
Information is then by the first CCE nCCEAnd/or ECCEnECCE,qAnd HARQ-ACK resource offset field ΔsAROIt is implied, to carry out pair
The transmission of the DPCCH/EPDCCH answered.Here, all PDCCH of the downlink auxiliary component carrier, can voluntarily calculate described
The resource distribution instruction information of PUCCH.
Alternatively, when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D, if the carrying PUCCH
Uplink auxiliary component carrier be FDD component carriers, then will in the downlink auxiliary component carrier, in DCI format 1A/1B/1D/1/
The TPC values in the first PDCCH/EPDCCH in 2A/2/2B/2C/2D are used as the closed power control of the uplink auxiliary component carrier
The value of system.Correspondingly, the resource distribution instruction information of the PUCCH of corresponding PDSCH transmission is then by the first CCE nCCEAnd/or
ECCEnECCE,qAnd HARQ-ACK resource offset field ΔsAROIt is implied, to carry out the transmission of corresponding DPCCH/EPDCCH.?
This, the first PDCCH of the downlink auxiliary component carrier can voluntarily calculate the resource distribution instruction information of the PUCCH；And it is right
For the PUCCH resource distribution instruction information of the PDSCH transmission in other uplink auxiliary component carriers of the secondary cell, institute is right
One of four resource values that TPC fields in the DCI format of the PDCCH/EPDCCH answered then be used to be configured from higher come
Determine the PUCCH resource distribution instruction information.
Alternatively, when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D, if the carrying PUCCH
Uplink auxiliary component carrier be TDD component carriers, and if PUCCH format be 1a/1b/1b cs when, it is determined that the TPC information with
And determine that the method for the resource distribution instruction information and the above-mentioned uplink auxiliary component carrier for working as the carrying PUCCH are FDD
It is same or similar when component carrier, therefore details are not described herein, and be incorporated herein by reference.
Alternatively, when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D, if the carrying PUCCH
Uplink auxiliary component carrier be TDD component carriers, will then by the downlink auxiliary component carrier, in DCI format 1A/1B/1D/1/
In 2A/2/2B/2C/2D, and when TDD PUCCH formats are 3, DAI=1, the TPC values in PDCCH/EPDCCH are used as on described
The value of the close-loop power control of row auxiliary component carrier.Correspondingly, the resource distribution instruction letter of the PUCCH of corresponding PDSCH transmission
Breath is then by the first CCE nCCEAnd/or ECCEnECCE,qAnd HARQ-ACK resource offset field ΔsAROIt is implied, to be corresponded to
DPCCH/EPDCCH transmission.Here, the PDCCH of the downlink auxiliary component carrier, can voluntarily calculate the PUCCH's
Resource distribution instruction information.
Here, for the determination side TPC when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/2D
For method, above-mentioned carried scheme can be applied in the polymerization of TDD-FDD carrier waves and bi-directional chaining.
Preferably, when the DCI format information is 3/3A, in step s1, the base station equipment 1 can be according to described
Additional DCI information corresponding with the DCI format information is arranged in DCI format information in secondary cell downlink auxiliary component carrier,
Using as be used to indicate the secondary cell carry PUCCH uplink auxiliary component carrier close-loop power control TPC information,
In, the downlink auxiliary component carrier is corresponding with the carrying uplink auxiliary component carrier of PUCCH.
Specifically, when the DCI format information is 3/3A, in step s1, the base station equipment 1 can define newly attached
Add DCI information for indicating that the secondary cell carries the TPC letters of the close-loop power control of the uplink auxiliary component carrier of PUCCH
Breath；The additional DCI information of the new definition and existing 3/3A contents having the same and size；Define new TPC- simultaneously
PUCCH-RNTI information, for the new DCI in the public search space of the main plot.
Preferably, when the DCI format information is 3/3A, in step s1, the base station equipment 1 can be according to described
DCI format information in secondary cell downlink auxiliary component carrier is provided in conjunction with scheduled time multiplexed transmission, is determined described in corresponding to
Secondary cell carries the DCI information of the uplink auxiliary component carrier of PUCCH；According to the DCI information, determination is used to indicate described auxiliary small
The TPC information of the close-loop power control of the uplink auxiliary component carrier of area carrier PUCCH, wherein the downlink auxiliary component carrier with
The uplink auxiliary component carrier of the carrying PUCCH is corresponding.
Specifically, when the DCI format information is 3/3A, in step s1, the base station equipment 1 can be according to predetermined
Time multiplexed transmission regulation, uplink auxiliary component carrier of the different determinations corresponding to secondary cell carrying PUCCH is set
The mode of DCI information；For example, if DCI3/3A is detected in odd-numbered frame or subframe, it is determined as being used for main plot
The DCI information of PUCCH is determined as holding for the secondary cell if DCI3/3A is detected in even frame or subframe
Carry the DCI information of the uplink auxiliary component carrier of PUCCH.Then, in step s1, the base station equipment 1 is believed according to the DCI
Breath, using the TPC information in the DCI information as the uplink auxiliary component carrier for being used to indicate the secondary cell carrying PUCCH
The TPC information of close-loop power control.
It is determined for described auxiliary small according to frame/subframe of odd number or even number here, those skilled in the art will be understood that
The mode of the DCI information of the uplink auxiliary component carrier of area carrier PUCCH is merely illustrative, and others are provided based on time multiplexed transmission
To determine the mode of the DCI information as can the present invention on probation（For example, by interval of for N frame or subframe be determined as be used for institute
State the DCI information of the uplink auxiliary component carrier of secondary cell carrying PUCCH）, it is also contained within protection scope of the present invention.
Preferably, when the DCI format information is 3/3A, in step s1, the base station equipment 1 can be according to described
DCI format information in secondary cell downlink auxiliary component carrier is based on multi-user's TPC mechanism, carries and be used in the DCI format
Indicate the TPC information of the close-loop power control of the uplink auxiliary component carrier of the secondary cell carrying PUCCH, wherein the downlink
Auxiliary component carrier is corresponding with the carrying uplink auxiliary component carrier of PUCCH；Wherein, in step s2, the method is also wrapped
Include step s21（It is not shown）, in step s21, the base station equipment 1 will be with the TPC information phase by special high-level signaling
Corresponding TPC location informations are sent to the user equipment.
Specifically, when the DCI format information is 3/3A, in step s1, the base station equipment 1 can be reused
The TPC command of the PUCCH of the main plot and the secondary cell are carried the uplink of PUCCH by the multi-user TPC mechanism
The TPC command of the PUCCH of auxiliary component carrier is connected and is carried in the DCI3/3A；To then contain 2 in the DCI
A TPC information, therefore, in step s21, the base station equipment 1 will location information corresponding with the 2 TPC information, lead to
It crosses high-level signaling and is sent to corresponding user equipment.
Preferably, when the DCI format information is 3/3A, in step s1, the base station equipment 1 can be according to described
DCI format information in secondary cell downlink auxiliary component carrier, in the down-link auxiliary component carrier wave corresponding to the secondary cell
Determine the DCI information corresponding to the DCI format information, wherein the DCI information includes to be used to indicate the secondary cell carrying
The TPC information of the close-loop power control of the uplink auxiliary component carrier of PUCCH, the downlink auxiliary component carrier and the carrying
The uplink auxiliary component carrier of PUCCH is corresponding.
Specifically, when the DCI format information is 3/3A, if the uplink auxiliary component carrier of the carrying PUCCH is TDD
Component carrier, in step s1, the base station equipment 1 is in the uplink auxiliary component carrier for carrying PUCCH corresponding to the secondary cell
Downlink auxiliary component carrier or the secondary cell carrying PUCCH uplink auxiliary component carrier on, transmit for the secondary cell
The uplink auxiliary component carrier for carrying PUCCH carries out the DCI3/3A of close-loop power control；To which the TPC information is placed on institute
In the public search space for stating downlink auxiliary component carrier.
Here, this method is more suitable for bi-directional chaining.
Due to the non-ideal passback time delay between macro base station and prothetic group station, turn from the prothetic group station to the macro base station
The TPC information of the close-loop power control of the uplink auxiliary component carrier for the carrying PUCCH that sends out secondary cell described, then in downlink main plot
Upper delivery TPC may not meet the dynamic change of uplink channel of the secondary cell in PUCCH.
In bi-directional chaining, it is seen that the contention based on random access channel supports the random access channel of secondary cell, and
Msg2 for secondary cell random access channel is sent in the public search space of the downlink auxiliary component carrier of secondary cell, with
The long-time caused by being forwarded to the Msg2 of macro base station from prothetic group station is avoided to postpone, user equipment is believed with physical control
Road needs to search for the public search space for the downlink secondary cell for being connected to the secondary cell.Therefore, for being bi-directionally connected, this method
Simplify the mode that DCI3/3A is further sent together with physical control channel, wherein the DCI is to be used for the secondary cell
It the power adjustment of PUCCH and is carried in the public search space of downlink auxiliary component carrier of the secondary cell, and described auxiliary
The up-link power of cell PUCCH can be adjusted more dynamically.And in current carrier wave polymerization regime, then not to described
The public search space of secondary cell scans for, and Msg2 is always transmitted on the public search space of main plot.
Here, those skilled in the art will be understood that the determining TPC's when the DCI format information is 3/3A
Method can be adapted for multiple user equipmenies and polymerize to the carrier wave of the principal component carrier wave and auxiliary component carrier.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation includes within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.This
Outside, it is clear that one word of " comprising " is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in device claim is multiple
Unit or device can also be realized by a unit or device by software or hardware.The first, the second equal words are used for table
Show title, and does not represent any particular order.
Claims (15)
1. a kind of method for providing close-loop power control information for PUCCH, wherein principal component carrier wave and one or more
It includes the principal component carrier wave in user equipment, the PUCCH of main plot that auxiliary component carrier polymerize common service by carrier wave
The HARQ information of HARQ information and one or more auxiliary component carrier includes one or more in the PUCCH of secondary cell
The HARQ information of the auxiliary component carrier, this approach includes the following steps：
A. it according to the DCI format information in the secondary cell downlink auxiliary component carrier, determines and is used to indicate the secondary cell carrying
The TPC information of the close-loop power control of the uplink auxiliary component carrier of PUCCH, wherein the downlink auxiliary component carrier is held with described
The uplink auxiliary component carrier for carrying PUCCH is corresponding；
B. the TPC information is sent to the user equipment.
2. according to the method described in claim 1, wherein, when the DCI format information is 1A/1B/1D/1/2A/2/2B/2C/
When 2D, the method is further comprising the steps of：
Determine the PUCCH resource distribution instruction information for being used to indicate the secondary cell PDSCH.
3. method according to claim 1 or 2, wherein when the DCI format information is 1A/1B/1D/1/2A/2/2B/
When 2C/2D, the step a includes：
According to the DCI format information in the secondary cell downlink auxiliary component carrier, determine in the DCI format information for into
The field of row TPC, wherein the downlink auxiliary component carrier is corresponding with the carrying uplink auxiliary component carrier of PUCCH；
Using the field for carrying out TPC as the uplink auxiliary component carrier for being used to indicate the secondary cell carrying PUCCH
The TPC information of close-loop power control.
4. according to the method described in claim 1, wherein, when the DCI format information is 3/3A, the step a include with
Under any one of at least：
According to the DCI format information in the secondary cell downlink auxiliary component carrier, setting is corresponding with the DCI format information
Additional DCI information, using as the close-loop power control for being used to indicate the secondary cell and carrying the uplink auxiliary component carrier of PUCCH
TPC information, wherein the downlink auxiliary component carrier is corresponding with the carrying uplink auxiliary component carrier of PUCCH；
According to the DCI format information in the secondary cell downlink auxiliary component carrier, provided in conjunction with scheduled time multiplexed transmission,
Determine the DCI information for the uplink auxiliary component carrier for corresponding to secondary cell carrying PUCCH；According to the DCI information, determines and use
In the TPC information of the close-loop power control for the uplink auxiliary component carrier for indicating the secondary cell carrying PUCCH, wherein under described
Row auxiliary component carrier is corresponding with the carrying uplink auxiliary component carrier of PUCCH.
5. according to the method described in claim 1, wherein, when the DCI format information is 3/3A, the step a includes：
According to the DCI format information in the secondary cell downlink auxiliary component carrier, it is based on multi-user's TPC mechanism, in the DCI
Carrying is used to indicate the TPC information of the close-loop power control of the uplink auxiliary component carrier of the secondary cell carrying PUCCH in format,
Wherein, the downlink auxiliary component carrier is corresponding with the carrying uplink auxiliary component carrier of PUCCH；
Wherein, the step b further includes：
TPC location informations corresponding with the TPC information are sent to the user equipment by special high-level signaling.
6. according to the method described in claim 1, wherein, when the DCI format information is 3/3A, the step a includes：
According to the DCI format information in the secondary cell downlink auxiliary component carrier, in the downlink corresponding to the secondary cell
The DCI information corresponding to the DCI format information is determined in auxiliary component carrier, wherein the DCI information includes to be used to indicate institute
State secondary cell carrying PUCCH uplink auxiliary component carrier close-loop power control TPC information, the downlink auxiliary component carrier with
The uplink auxiliary component carrier of the carrying PUCCH is corresponding.
7. a kind of for providing the base station equipment of close-loop power control information for PUCCH, wherein principal component carrier wave and one or
Multiple auxiliary component carriers polymerize common service in user equipment, the PUCCH of main plot comprising principal component load by carrier wave
The HARQ information of the HARQ information of wave and one or more auxiliary component carriers, in the PUCCH of secondary cell comprising one or
The HARQ information of multiple auxiliary component carriers, the equipment include：
Determining device, for according to the DCI format information in the secondary cell downlink auxiliary component carrier, determining described in being used to indicate
Secondary cell carries the TPC information of the close-loop power control of the uplink auxiliary component carrier of PUCCH, wherein the auxiliary component of downlink carries
Wave is corresponding with the carrying uplink auxiliary component carrier of PUCCH；
Sending device, for the TPC information to be sent to the user equipment.
8. base station equipment according to claim 7, wherein when the DCI format information is 1A/1B/1D/1/2A/2/2B/
When 2C/2D, the base station equipment further includes：
Resource indicates determining device, the resource distribution instruction letter for determining the PUCCH for being used to indicate the secondary cell PDSCH
Breath.
9. base station equipment according to claim 7 or 8, wherein when the DCI format information is 1A/1B/1D/1/2A/2/
When 2B/2C/2D, the determining device is used for：
According to the DCI format information in the secondary cell downlink auxiliary component carrier, determine in the DCI format information for into
The field of row TPC, wherein the downlink auxiliary component carrier is corresponding with the carrying uplink auxiliary component carrier of PUCCH；
Using the field for carrying out TPC as the uplink auxiliary component carrier for being used to indicate the secondary cell carrying PUCCH
The TPC information of close-loop power control.
10. base station equipment according to claim 7, wherein when the DCI format information is 3/3A, the determining dress
It sets for following at least any one：
According to the DCI format information in the secondary cell downlink auxiliary component carrier, setting is corresponding with the DCI format information
Additional DCI information, using as the close-loop power control for being used to indicate the secondary cell and carrying the uplink auxiliary component carrier of PUCCH
TPC information, wherein the downlink auxiliary component carrier is corresponding with the carrying uplink auxiliary component carrier of PUCCH；
According to the DCI format information in the secondary cell downlink auxiliary component carrier, provided in conjunction with scheduled time multiplexed transmission,
Determine the DCI information for the uplink auxiliary component carrier for corresponding to secondary cell carrying PUCCH；According to the DCI information, determines and use
In the TPC information of the close-loop power control for the uplink auxiliary component carrier for indicating the secondary cell carrying PUCCH, wherein under described
Row auxiliary component carrier is corresponding with the carrying uplink auxiliary component carrier of PUCCH.
11. base station equipment according to claim 7, wherein when the DCI format information is 3/3A, the determining dress
It sets and is used for：
According to the DCI format information in the secondary cell downlink auxiliary component carrier, it is based on multi-user's TPC mechanism, in the DCI
Carrying is used to indicate the TPC information of the close-loop power control of the uplink auxiliary component carrier of the secondary cell carrying PUCCH in format,
Wherein, the downlink auxiliary component carrier is corresponding with the carrying uplink auxiliary component carrier of PUCCH；
Wherein, the sending device further includes：
Transmission unit is positioned, for being sent to TPC location informations corresponding with the TPC information by special high-level signaling
The user equipment.
12. base station equipment according to claim 7, wherein when the DCI format information is 3/3A, the determining dress
It sets and is used for：
According to the DCI format information in the secondary cell downlink auxiliary component carrier, in the downlink corresponding to the secondary cell
The DCI information corresponding to the DCI format information is determined in auxiliary component carrier, wherein the DCI information includes to be used to indicate institute
State secondary cell carrying PUCCH uplink auxiliary component carrier close-loop power control TPC information, the downlink auxiliary component carrier with
The uplink auxiliary component carrier of the carrying PUCCH is corresponding.
13. a kind of user equipment for assisting providing close-loop power control information for PUCCH, wherein principal component carrier wave and
It includes the master in user equipment, the PUCCH of main plot that one or more auxiliary component carriers polymerize common service by carrier wave
The HARQ information of the HARQ information of component carrier and one or more auxiliary component carriers includes in the PUCCH of secondary cell
The HARQ information of one or more auxiliary component carriers, the equipment include：
Acquisition device, for obtaining the closed power control for being used to indicate the uplink auxiliary component carrier that the secondary cell carries PUCCH
The TPC information of system；
Power control device, for according to the TPC information, the PUCCH for executing auxiliary component carrier corresponding with the TPC information to be closed
Ring power control.
14. user equipment according to claim 13, wherein the acquisition device is used for：
DCI information is searched in the public search space corresponding to the downlink auxiliary component carrier of the secondary cell, wherein described
DCI information include for the secondary cell PUCCH close-loop power controls TPC information, the downlink auxiliary component carrier with it is described
The uplink auxiliary component carrier that secondary cell carries PUCCH is corresponding；
According to the DCI information, the closed power control for the uplink auxiliary component carrier for being used to indicate secondary cell carrying PUCCH is obtained
The TPC information of system.
15. a kind of system for providing close-loop power control information for PUCCH, including such as any one of claim 7 to 12
The base station equipment and user equipment according to claim 13 or 14.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410040812.9A CN104812040B (en) | 2014-01-27 | 2014-01-27 | A kind of close-loop power controlling method and equipment of Physical Uplink Control Channel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410040812.9A CN104812040B (en) | 2014-01-27 | 2014-01-27 | A kind of close-loop power controlling method and equipment of Physical Uplink Control Channel |
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| CN104812040B true CN104812040B (en) | 2018-11-13 |
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| CN108135028B (en) * | 2018-02-27 | 2022-08-19 | 中兴通讯股份有限公司 | Power control method, device and communication node |
| CN110381527B (en) * | 2018-04-04 | 2022-07-15 | 中兴通讯股份有限公司 | Power headroom reporting method, TPC command sending method and device, base station and terminal |
| CN110858996B (en) * | 2018-08-23 | 2022-02-25 | 维沃移动通信有限公司 | Power control method, terminal and network equipment |
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| CN103326806A (en) * | 2012-03-19 | 2013-09-25 | 电信科学技术研究院 | Transmission method and device of downlink control signaling |
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| CN103326806A (en) * | 2012-03-19 | 2013-09-25 | 电信科学技术研究院 | Transmission method and device of downlink control signaling |
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