CN102215093A - Downlink transmission feedback method, base station and user terminal - Google Patents

Downlink transmission feedback method, base station and user terminal Download PDF

Info

Publication number
CN102215093A
CN102215093A CN2010101613353A CN201010161335A CN102215093A CN 102215093 A CN102215093 A CN 102215093A CN 2010101613353 A CN2010101613353 A CN 2010101613353A CN 201010161335 A CN201010161335 A CN 201010161335A CN 102215093 A CN102215093 A CN 102215093A
Authority
CN
China
Prior art keywords
downlink
component carrier
base station
downlink component
pucch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2010101613353A
Other languages
Chinese (zh)
Other versions
CN102215093B (en
Inventor
王坚
黄亚达
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN201010161335.3A priority Critical patent/CN102215093B/en
Priority to PCT/CN2011/071084 priority patent/WO2011124100A1/en
Publication of CN102215093A publication Critical patent/CN102215093A/en
Application granted granted Critical
Publication of CN102215093B publication Critical patent/CN102215093B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a downlink transmission feedback method, a base station and a user terminal. The method comprises that: the base station configures physical uplink control channel (PUCCH) spaces for feedback to downlink component carriers corresponding to each physical downlink control channel (PDCCH); the base station informs user equipment of the configured PUCCH spaces; and the user equipment feeds the downlink data transmission of the downlink component carriers back in the PUCCH spaces. By the downlink transmission feedback method, the base station and the user terminal, the problem that the downlink component carrier (DL CC) of the multi-carrier the PDCCH does not designate the location of downlink data transmission feedback signaling to cause a communication failure between the terminal and a network side in related technologies is solved, and the effect of ensuring multi-carrier downlink transmission reliability is further achieved.

Description

The feedback method of downlink transfer, base station and user terminal
Technical field
The present invention relates to the communications field, in particular to a kind of method of downlink transmission, base station and user terminal.
Background technology
Long evolving system (Long Term Evolution, abbreviate LTE as) Frequency Division Duplexing (FDD) (Frequency Division Duplex, abbreviating FDD as) version 8 of system is a single-carrier system, in this system, up-link carrier and descending carrier only have a pair of, and the needed up-link carrier of descending carrier is unique.The version 10 of the FDD system in the LTE system, promptly advanced long-term evolution system (Long Term Evolution Advanced abbreviates LTE-Advanced as) is a multicarrier system.Moving a plurality of upstream components carrier waves (Uplink Component Carrier in the network of multicarrier system, abbreviate UL CC as) and a plurality of downlink component carrier (Downlink Component Carrier, abbreviate DL CC as), subscriber equipment (User equipment, abbreviate UE as) can dispose a plurality of upstream components carrier waves and a plurality of downlink component carrier simultaneously, this need formulate the downlink data transmission standard between new subscriber equipment and the evolved base station (Evolved Node B abbreviates eNB as).
The general process of downlink data transmission is as follows:
(1) UE monitoring physical down control channel (Physical Downlink ControlChannel abbreviates PDCCH as).
(2) UE receives DL assignment (downlink transmission).
(3) UE receives physical down data channel (Physical Downlink SharedChannel abbreviates PDSCH as).
(4) UE feeding back ACK (affirmation)/NACK (unconfirmed).
Because in single-carrier system, up-link carrier and descending carrier are to occur in pairs, Physical Downlink Control Channel sends to corresponding up-link carrier with feeding back downlink link data message transfer and gets final product, but in multicarrier system, subscriber equipment can dispose a plurality of upstream components carrier waves and downlink component carrier simultaneously, so, PDCCH DL CC need indicate and go up feeding back downlink link data message transfer where.
Do not indicate the position of feeding back downlink link data message transfer at the PDCCH DL CC of multicarrier in the correlation technique, cause the problem of terminal and network side communication failure, do not propose effective solution at present as yet.
Summary of the invention
Main purpose of the present invention is to provide a kind of feedback method, base station and user terminal of downlink transfer, one of to address the above problem at least.
A kind of feedback method of downlink transfer is provided according to an aspect of the present invention.
Feedback method according to downlink transfer of the present invention comprises: the base station all disposes a Physical Uplink Control Channel space PUCCH space who is used to feed back to the downlink component carrier at each physical downlink control channel PDCCH place; The base station is with the PUCCH space notifying user equipment of its configuration; Subscriber equipment downlink transmission to downlink component carrier on PUCCH space is fed back.
Further, the base station comprises the PUCCH space notifying user equipment of its configuration: the base station is by system message notifying user equipment PUCCH space.
Further, the base station comprises the PUCCH space notifying user equipment of its configuration: the base station is by radio resource control RRC signaling subscriber equipment PUCCH space.
Further, subscriber equipment feeds back the downlink transmission of downlink component carrier on PUCCH space and comprises: the transmission block TB that retransmits HARQ physical layer entity, downlink physical DSCH Downlink Shared Channel PDSCH according to the mixing of the downlink transmission signaling that receives at downlink component carrier, downlink component carrier correspondence automatically carries out the HARQ decoding of downlink component carrier correspondence, and decoding is feeding back ACK on PUCCH space then correctly.
Further, subscriber equipment feeds back the downlink transmission of downlink component carrier on PUCCH space and comprises: the transmission block TB that retransmits HARQ physical layer entity, downlink physical DSCH Downlink Shared Channel PDSCH according to the mixing of the downlink transmission signaling that receives at downlink component carrier, downlink component carrier correspondence automatically carries out the HARQ decoding of downlink component carrier correspondence, and the decoding failure is then fed back NACK on PUCCH space.
Further, a upstream components carrier wave provides the downlink transmission feedback for a plurality of downlink component carriers.
To achieve these goals, according to another aspect of the present invention, provide a kind of base station.
Base station according to the present invention comprises: configuration module is used for the downlink component carrier at each physical downlink control channel PDCCH place is all disposed a Physical Uplink Control Channel space PUCCH space who is used to feed back; Notification module is used for the PUCCH space notifying user equipment with configuration, so that subscriber equipment downlink transmission to downlink component carrier on PUCCH space is fed back.
Further, notification module comprises: first notification module is used for the space by system message notifying user equipment PUCCH.
Further, notification module also comprises: second notification module is used for the space by radio resource control RRC signaling subscriber equipment PUCCH.
To achieve these goals, according to a further aspect of the invention, provide a kind of subscriber equipment.
Subscriber equipment according to the present invention comprises: decoder module is used for the transmission block TB that mixing according to the downlink transmission signaling that receives at downlink component carrier, downlink component carrier correspondence retransmits HARQ physical layer entity, downlink physical DSCH Downlink Shared Channel PDSCH automatically and carries out the HARQ decoding of downlink component carrier correspondence; First feedback module, be used for the decoding correct situation under on PUCCH space feedback acknowledgment ACK; Second feedback module is used for feeding back non-affirmation NACK on PUCCH space under the decoding failure scenarios.
By the present invention, adopt the base station that the downlink component carrier at each physical downlink control channel PDCCH place is all disposed a Physical Uplink Control Channel space PUCCH space who is used to feed back; The base station is with the PUCCH space notifying user equipment of its configuration; Subscriber equipment downlink transmission to downlink component carrier on PUCCH space is fed back, solve the PDCCH DL CC of multicarrier in the correlation technique and do not indicated the position of downlink data transmission feedback signaling, cause the problem of terminal and network side communication failure, and then reached the effect that guarantees the multi-carrier downlink transmission reliability.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the feedback method of the downlink transfer of the embodiment of the invention;
Fig. 2 is the flow chart according to the configuration PUCCH space of the embodiment of the invention;
Fig. 3 is the flow chart according to the feeding back downlink link data transmission of the embodiment of the invention;
Fig. 4 is a schematic diagram according to the preferred embodiment of the invention;
Fig. 5 is the structured flowchart according to the base station of the embodiment of the invention;
Fig. 6 is the preferred construction block diagram according to the base station of the embodiment of the invention; And
Fig. 7 is the structured flowchart according to the subscriber equipment of the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Multicarrier system comprises base station (eNB) and radio network controller, be wireless connections between base station and the radio network controller, base station and radio network controller are generally the calculation element with communication capacity, between wireless connections follow the related communication standard of multicarrier.Introducing each embodiment of the present invention below all is that the basis is implemented with multicarrier system.
The invention provides a kind of feedback method of downlink transfer, as shown in Figure 1, comprise that following step S102 is to step S106:
Step S102, the base station all disposes a Physical Uplink Control Channel space PUCCHspace who is used to feed back to the downlink component carrier at each physical downlink control channel PDCCH place, for example, when base station (eNB) disposes PDCCH DL CCx for UE, eNB is that PDCCH DL CCx indicates feedback space PUCCH spaceyx (PUCCH space x), and this PUCCH spaceyx provides feedback for the PDCCH on all DL CCx; If UE receives PDCCH from PDCCH DL CCx, no matter this PDCCH is the PDSCH of this PDCCH of scheduling DL CCx, still dispatch the PDSCH of other DL CC, all on this PUCCH spaceyx, feed back; For example, PUCCH spaceyx represents that this space is positioned on the UL CCy, only is that PDCCH DL CCx keeps, and other PDCCH DL CC can not use this feedback space; Again for example, when UE disposed non-PDCCH DL CC, eNB did not indicate feedback space for this non-PDCCH DL CC.
Step S104, the base station is with the PUCCH space notifying user equipment of its configuration.
Step S106, the subscriber equipment downlink transmission to downlink component carrier on PUCCH space is fed back.
Correlation technique is in single-carrier system, up-link carrier and descending carrier are to occur in pairs, Physical Downlink Control Channel sends to corresponding up-link carrier with feeding back downlink link data message transfer and gets final product, but in multicarrier system, subscriber equipment can dispose a plurality of upstream components carrier waves and downlink component carrier simultaneously, so, PDCCH DL CC need indicate and go up feeding back downlink link data message transfer where, the present invention all disposes a Physical Uplink Control Channel space PUCCH space who is used to feed back by the downlink component carrier to each physical downlink control channel PDCCH place, and the downlink transmission to downlink component carrier is fed back on PUCCH space, and then has reached the effect that guarantees the multi-carrier downlink transmission reliability.
Preferably, comprise in step S104: the base station is by system message notifying user equipment PUCCH space.
Preferably, comprise in step S104: the base station is by radio resource control RRC signaling subscriber equipment PUCCH space, wherein, the non-affirmation NACK of feeding back downlink link assignment message on PUCCH space position has reached the effect that guarantees the multi-carrier downlink transmission reliability.
Preferably, comprise in step S106: the transmission block TB that retransmits HARQ physical layer entity, downlink physical DSCH Downlink Shared Channel PDSCH according to the mixing of the downlink transmission signaling that receives at downlink component carrier, downlink component carrier correspondence automatically carries out the HARQ decoding of downlink component carrier correspondence, decoding is feeding back ACK on PUCCH space then correctly, wherein, the affirmation ACK of feeding back downlink link assignment message on PUCCH space position has reached the effect that guarantees the multi-carrier downlink transmission reliability.
Preferably, comprise in step S106: the transmission block TB that retransmits HARQ physical layer entity, downlink physical DSCH Downlink Shared Channel PDSCH according to the mixing of the downlink transmission signaling that receives at downlink component carrier, downlink component carrier correspondence automatically carries out the HARQ decoding of downlink component carrier correspondence, and the decoding failure is then fed back NACK on PUCCH space.
Preferably, a upstream components carrier wave provides the downlink transmission feedback for a plurality of downlink component carriers.
For example: a plurality of downlink component carriers and a upstream components carrier wave are associated, and the base station of this embodiment (eNB) keeps PUCCHspace respectively for a plurality of DL CC on this UL CC so.Wherein PUCCH space can be a frequency division, the resource that time-division or sign indicating number divide, use the computing formula of 3GPP R8 standard can obtain this PUCCH space, association herein is meant that upstream components carrier wave x (UL CCx) provides feedback for the DL assignment on the DL CCx (downlink component carrier x), and UL CCx is that this DL CCx keeps feedback resources.
Describe a plurality of preferred embodiment of the present invention below again, these preferred embodiments combine the technical scheme of top a plurality of preferred embodiments.
Preferred embodiment one
In the present embodiment, when UE is resident, can using system message arrangement method dispose PUCCH space; When UE inserts, indicate PUCCH space by Radio Resource control (Radio ResourceControl abbreviates RRC as) signaling.
Fig. 2 is the flow chart according to the configuration PUCCH space of the embodiment of the invention.As shown in Figure 2, comprise following step:
Step S201, UE persistent district, the component carrier of place PUCCH are DL CCx, wherein x is the component carrier mark.
Step S202, UE receiving system information, the component carrier of for example indicating feeding back ACK/NACK among the SIB-2 is UL CCx, wherein x is the component carrier label, then the component carrier space is PUCCH spacexx, wherein the previous x of spacexx is a component carrier mark among the DL CCx, and a back x is a component carrier mark among the DL CCx.
Preferably, in step S202, UE resident carrier wave, can using system message arrangement method configuration PUCCH space.Particularly, through cell selecting or sub-district gravity treatment, but UE resides in certain suitable cell that is positioned at access carrier DL CC0, determine the upstream components carrier wave UL CC0 at the feedback space place of this DL CC0 by system message System information block 2 (System Information Block abbreviates SIB2 as).Remember that then the feedback space that is positioned at the DL CC0 on the component carrier ULCC0 is PUCCH space00, UE will read the pertinent system information parameter of calculating PUCCH space00, as Release 8, parameter leaves cell PUCCH-ConfigCommon in, promptly uses the algorithm of PUCCH-ConfigCommon and Release8 can calculate PUCCH space00.
Step S203, UE access base station (eNB), eNB are that UE increases partition loading gage ripple DL CCy, and wherein y is the component carrier mark.
Step S204, whether the component carrier among the determining step S203 is PDCCH DLCC.
Step S205, if judged result is not, then eNB is not DL CCy configuration PUCCH space.
Preferably, for UE, when eNB joins DL CC1 by the RRC signaling for this UE increases,, do not indicate related UL CC and PUCCH space so for this non-PDCCH DLCC if this DL CC1 is non-PDCCH DL CC.
Need to prove that " association " in this enforcement is meant that this UL CCx (upstream components carrier wave x) provides feedback for the DL assignment on the DL CCx (downlink component carrier x), UL CCx is that this DL CCx keeps feedback resources.
Step S206, whether the PUCCH space among the determining step S205 is to insert DL CC.
Step S207, judged result is that then eNB does not dispose UL CCy (y is the mark of component carrier) in the RRC signaling, and configuration PUCCH spaceyy.
Step S208, judged result is for can insert downlink component carrier, and then eNB disposes UL CCy (y is the component carrier label) in the RRC signaling, and configuration PUCCH spaceyy, perhaps UE disposes UL CCy from the system information of DL CCy, and configuration PUCCHspaceyy.
In above-mentioned steps S207 and step S208, for UE, when eNB joined DL CC1 by the RRC signaling for this UE increases, if this DL CC1 is PDCCH DL CC, then eNB indicated PUCCH space for this PDCCH DL CC.If this PDCCH DLCC is the DL CC that can insert, can adopt the step among the step S202 to indicate PUCCH space so, can adopt also that the RRC signaling indicates PUCCHspace among the step S208.If PDCCH DL CC is the DL CC that can not insert, can only adopt the RRC signaling to indicate PUCCH space so.
Step S209, configuration finishes.
In the present embodiment, realized configuration to PUCCH space, be divided into the UE persistent district and insert two kinds of situations, can adopt system message indication PUCCH space when wherein UE is resident, when inserting, can adopt system message indication or RRC signaling indication PUCCH space.
Preferred embodiment two
Fig. 3 is according to the flow chart of the feeding back downlink link data transmission of the embodiment of the invention, as shown in Figure 3, comprises the steps:
Step S302, UE monitors PDCCH on PDCCH DL CCx.
Step S304, UE receives DL assignment on PDCCH DL CCx.
Step S306, UE receives DL assisgnment on PDCCH DL CCx, and comprises carrier wave indication territory (Carrier Indicator Field abbreviates CIF as) among this DL assignment.
Step S308, UE physical layer downlink data receiving and be demodulated into transmission block (Transport block abbreviates TB as) from the indicated DL CC of CIF.
Step S310, the UE physical layer is from this carrier wave DL CCx downlink data receiving, and is demodulated into TB.
Step S312, the physical layer of UE will be extracted HARQinformation among the DL assisgnment, and HARQ information comprises that no longer CIF and R8 agreement are in full accord, and the TB after the demodulation sends to the pairing HARQ MAC of DL CCx entityx and handles.
Step S314, HARQ MAC entityx handles according to the standard of R8: judge new biography, old biography, the HARQ process that HARQ Information and TB is sent to HARQ process ID indication among the HARQ Information handles.
Step S316, if first the biography, directly cover the pairing HARQ process of HARQ process ID buffer, if retransmit, then with the pairing HARQ process of HARQ process ID buffer in the data that comprise be placed among this HARQprocess buffer after merging.
Step S318, HARQ process as parameter call physical layer decode procedure, decodes the information such as MCS that comprise among the HARQ Information to HARQ process buffer.
Step S320 judges whether decoding is successful.
Step S322, judged result is for being to send ACK on the PUCCH spacexx on the associated UL CCx of PDCCH DL CCx.
Step S322, judged result sends NACK for not on the PUCCH spacexx on the associated UL CCx of PDCCH DL CCx.
Realized on PUCCH space feedback in the present embodiment, for striding carrier dispatching and non-downlink transfer of striding carrier dispatching has adopted uniform way, the HARQ downlink transfer of complete compatible R8/R9 (version 8/9) to downlink transmission.
Preferred embodiment three
Fig. 4 is a schematic diagram according to the preferred embodiment of the invention, as shown in Figure 4, for UE has disposed downlink component carrier DL CC1, DL CC2, DL CC3 and upstream components carrier wave UL CC1 and UL CC2; The related UL CC1 of DL CC1, UL CC1 keeps PUCCH space 11 for DL CC1, the related UL CC2 of DL CC2 with DL CC3, UL CC2 keeps PUCCH space22 for DL CC2, UL CC2 is that DL CC3 keeps PUCCHspace23, related and space keep can be according to the preferred embodiment one arrangements of steps and definite.
Transmission for the first time, DL CC1 has received DL assignment without CIF, physical layer will downlink data receiving and demodulation on this DL CC1, the PDSCH TB route that obtains is given the HARQ MAC entity1 of routeing DL CC1 correspondence, HARQ MACentity 1 is according to the HARQ process ID among the DL assignment, TB is left in the HARQ process buffer of this HARQ process ID, and attempt decoding, the decoding failure then uses the PUCCH space11 feedback NACK of DL CC1 association to give eNB;
Transmission for the second time, DL CC1 has received DL assignment with CIF2, physical layer will downlink data receiving and demodulation on this DL CC2, the PDSCH TB route that obtains is given the HARQ MAC entity1 of routeing DL CC1 correspondence, HARQ MAC entity1 is according to the HARQ process ID among the DL assignment, TB is merged with the data that leave the HARQ process buffer of this HARQprocess ID in, and attempt decoding, the decoding failure then uses the PUCCH space11 feedback NACK of DL CC1 association to give eNB;
Transmission for the third time, DL CC1 has received DL assignment with CIF3, physical layer will downlink data receiving and demodulation on this DL CC3, the PDSCH TB route that obtains is given the HARQ MAC entity1 of routeing DL CC1 correspondence, HARQ MAC entity1 is according to the HARQ process ID among the DL assignment, TB is merged with the data that leave the HARQ process buffer of this HARQprocess ID in, and attempt decoding, the PUCCH space11 feeding back ACK that successfully then uses DL CC1 association of decoding is given eNB.
Present embodiment has realized that a plurality of downlink component carriers and a upstream components carrier wave are associated, configuration is corresponding to the PUCCHspace of a plurality of downlink component carriers on a upstream components carrier wave, and on the PUCCH that configures separately feeding back ACK or nack message, guaranteed the reliable transmission of downlink data.
Fig. 5 is the structured flowchart according to the base station of the embodiment of the invention, as shown in Figure 5, comprising: configuration module 52 and notification module 54 are described in detail said structure below.
Configuration module 52 is used for the downlink component carrier at each physical downlink control channel PDCCH place is all disposed a Physical Uplink Control Channel space PUCCHspace who is used to feed back;
Notification module 54 is connected to configuration module 52, is used for the PUCCH space notifying user equipment with configuration module 52 configurations, so that subscriber equipment downlink transmission to downlink component carrier on PUCCH space is fed back.
Fig. 6 is the preferred construction block diagram according to the base station of the embodiment of the invention, and as shown in Figure 6, notification module 54 also comprises first notification module 522 and second notification module 544, below said structure is described in detail.
First notification module 522 is used for by system message notifying user equipment PUCCHspace.
Second notification module 544 is used for the space by radio resource control RRC signaling subscriber equipment PUCCH.
Fig. 7 is the structured flowchart according to the subscriber equipment of the embodiment of the invention, as shown in Figure 7, comprises decoder module 72, the first feedback modules 74 and second feedback module 76, below said structure is described in detail.
Decoder module 72 is used for the transmission block TB that mixing according to the downlink transmission signaling that receives at downlink component carrier, downlink component carrier correspondence retransmits HARQ physical layer entity, downlink physical DSCH Downlink Shared Channel PDSCH automatically and carries out the HARQ decoding of downlink component carrier correspondence;
First feedback module 74 is connected to decoder module 72, is used under the correct situation of decoder module 72 decoding feedback acknowledgment ACK on PUCCH space;
Second feedback module 76 is connected to decoder module 72, is used for feeding back non-affirmation NACK on PUCCH space under decoder module 72 decoding failure scenarios.
Need to prove that base station of describing among the device embodiment and subscriber equipment are corresponding to above-mentioned method embodiment, its concrete implementation procedure had been carried out detailed description in method embodiment, do not repeat them here.
In sum,, realized on PUCCH space, the downlink transmission of downlink component carrier being carried out the feedback of ACK/NACK, guaranteed to use the reliability with downlink transfer finished of mixing automatic request retransmission by the present invention.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. the feedback method of a downlink transfer is characterized in that, comprising:
The base station all disposes a Physical Uplink Control Channel space PUCCHspace who is used to feed back to the downlink component carrier at each physical downlink control channel PDCCH place;
Described base station is with the PUCCH space notifying user equipment of its configuration;
Described subscriber equipment feeds back the downlink transmission of described downlink component carrier on described PUCCH space.
2. method according to claim 1 is characterized in that, described base station comprises the PUCCH space notifying user equipment of its configuration:
Described base station is by the described PUCCH space of system message notifying user equipment.
3. method according to claim 1 is characterized in that, described base station comprises the PUCCH space notifying user equipment of its configuration:
Described base station is by the described PUCCH space of the described subscriber equipment of radio resource control RRC signaling.
4. method according to claim 1, it is characterized in that, described subscriber equipment feeds back the downlink transmission of described downlink component carrier on described PUCCH space and comprises: the transmission block TB that retransmits HARQ physical layer entity, downlink physical DSCH Downlink Shared Channel PDSCH according to the mixing of the described downlink transmission signaling that receives at described downlink component carrier, described downlink component carrier correspondence automatically carries out the HARQ decoding of described downlink component carrier correspondence, and decoding is feeding back ACK on described PUCCH space then correctly.
5. method according to claim 1, it is characterized in that, described subscriber equipment feeds back the downlink transmission of described downlink component carrier on described PUCCH space and comprises: the transmission block TB that retransmits HARQ physical layer entity, downlink physical DSCH Downlink Shared Channel PDSCH according to the mixing of the described downlink transmission signaling that receives at described downlink component carrier, described downlink component carrier correspondence automatically carries out the HARQ decoding of described downlink component carrier correspondence, and the decoding failure is then fed back NACK on described PUCCH space.
6. according to each described method of claim 1 to 5, it is characterized in that a upstream components carrier wave provides the downlink transmission feedback for a plurality of described downlink component carriers.
7. a base station is characterized in that, comprising:
Configuration module is used for the downlink component carrier at each physical downlink control channel PDCCH place is all disposed a Physical Uplink Control Channel space PUCCH space who is used to feed back;
Notification module is used for the PUCCH space notifying user equipment with configuration, so that subscriber equipment feeds back the downlink transmission of described downlink component carrier on described PUCCH space.
8. base station according to claim 7 is characterized in that notification module comprises:
First notification module is used for by the described PUCCH space of system message notifying user equipment.
9. base station according to claim 7 is characterized in that notification module also comprises:
Second notification module is used for by the described PUCCH space of the described subscriber equipment of radio resource control RRC signaling.
10. a subscriber equipment is characterized in that, also comprises:
Decoder module is used for the transmission block TB that mixing according to the described downlink transmission signaling that receives at described downlink component carrier, described downlink component carrier correspondence retransmits HARQ physical layer entity, downlink physical DSCH Downlink Shared Channel PDSCH automatically and carries out the HARQ decoding of described downlink component carrier correspondence;
First feedback module, be used for the decoding correct situation under on described PUCCHspace feedback acknowledgment ACK;
Second feedback module is used for feeding back non-affirmation NACK on described PUCCHspace under the decoding failure scenarios.
CN201010161335.3A 2010-04-09 2010-04-09 The feedback method of downlink transfer, base station and user terminal Expired - Fee Related CN102215093B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201010161335.3A CN102215093B (en) 2010-04-09 2010-04-09 The feedback method of downlink transfer, base station and user terminal
PCT/CN2011/071084 WO2011124100A1 (en) 2010-04-09 2011-02-18 Method, base station and user terminal for downlink transmission feedback

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010161335.3A CN102215093B (en) 2010-04-09 2010-04-09 The feedback method of downlink transfer, base station and user terminal

Publications (2)

Publication Number Publication Date
CN102215093A true CN102215093A (en) 2011-10-12
CN102215093B CN102215093B (en) 2016-03-02

Family

ID=44746237

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010161335.3A Expired - Fee Related CN102215093B (en) 2010-04-09 2010-04-09 The feedback method of downlink transfer, base station and user terminal

Country Status (2)

Country Link
CN (1) CN102215093B (en)
WO (1) WO2011124100A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105264939A (en) * 2013-03-19 2016-01-20 华为技术有限公司 Method, device and system for detecting link under configuration of multiple serving cells
WO2019019171A1 (en) * 2017-07-28 2019-01-31 北京小米移动软件有限公司 Hybrid automatic repeat request result feedback method and device
WO2019137366A1 (en) * 2018-01-12 2019-07-18 电信科学技术研究院有限公司 Resource indication method, resource determination method, device, base station, and terminal
CN110034903A (en) * 2018-01-12 2019-07-19 电信科学技术研究院有限公司 Resource indicating method, resource determining method, device, base station and terminal
WO2020216209A1 (en) * 2019-04-25 2020-10-29 维沃移动通信有限公司 Method and apparatus for indicating spatial relation information, and communication device
CN114208098A (en) * 2019-08-14 2022-03-18 索尼集团公司 Terminal device, base station device, control method of terminal device, and control method of base station device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101572591A (en) * 2008-04-28 2009-11-04 鼎桥通信技术有限公司 Method for transmitting a plurality of ACKs/NACKs

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101572591A (en) * 2008-04-28 2009-11-04 鼎桥通信技术有限公司 Method for transmitting a plurality of ACKs/NACKs

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LG ELECTRONICS: "UL ACK/NACK PUCCH design in LTE-Advanced", 《3GPP TSG RAN WG1 #59BIS，R1-100215》 *
TECHNICAL SPECIFICATION GROUP RADIO ACCESS NETWORK: "3GPP TS 36.321 V9.1.0", 《3GPP》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105264939A (en) * 2013-03-19 2016-01-20 华为技术有限公司 Method, device and system for detecting link under configuration of multiple serving cells
WO2019019171A1 (en) * 2017-07-28 2019-01-31 北京小米移动软件有限公司 Hybrid automatic repeat request result feedback method and device
CN109451791A (en) * 2017-07-28 2019-03-08 北京小米移动软件有限公司 A kind of feedback method and device of hybrid automatic repeat-request result
CN109451791B (en) * 2017-07-28 2021-08-31 北京小米移动软件有限公司 Feedback method and device for hybrid automatic repeat request result
US11368255B2 (en) 2017-07-28 2022-06-21 Beijing Xiaomi Mobile Software Co., Ltd. Hybrid automatic repeat request result feedback method and device
WO2019137366A1 (en) * 2018-01-12 2019-07-18 电信科学技术研究院有限公司 Resource indication method, resource determination method, device, base station, and terminal
CN110034903A (en) * 2018-01-12 2019-07-19 电信科学技术研究院有限公司 Resource indicating method, resource determining method, device, base station and terminal
CN110034903B (en) * 2018-01-12 2020-10-13 电信科学技术研究院有限公司 Resource indication method, resource determination method, device, base station and terminal
WO2020216209A1 (en) * 2019-04-25 2020-10-29 维沃移动通信有限公司 Method and apparatus for indicating spatial relation information, and communication device
US12074677B2 (en) 2019-04-25 2024-08-27 Vivo Mobile Communication Co., Ltd. Method and apparatus for indicating spatial relation information, and communications device
CN114208098A (en) * 2019-08-14 2022-03-18 索尼集团公司 Terminal device, base station device, control method of terminal device, and control method of base station device

Also Published As

Publication number Publication date
WO2011124100A1 (en) 2011-10-13
CN102215093B (en) 2016-03-02

Similar Documents

Publication Publication Date Title
CN102202408B (en) Method, system and device for scheduling multiple subframes
US9433014B2 (en) Device to device communication method and device for performing same
US10455550B2 (en) Terminal device operating with a special subframe including three regions, base station device operating with a special subframe including three regions, and communication method operating with a special subframe including three regions
CN110140396B (en) Wireless communication device, wireless communication method, and storage medium
US9780941B2 (en) Terminal device, integrated circuit, and radio communication method
JP6340649B2 (en) Terminal apparatus, base station apparatus, and communication method
CN106455069B (en) Method and device for sending and receiving downlink control channel
CN105634691B (en) Data transmission method, apparatus and system
US20140169319A1 (en) Method for transmitting uplink signal, user equipment, method for receiving uplink signal, and base station
US9887810B2 (en) Terminal, base station, and communication method
CN114175551B (en) Communication device, infrastructure equipment and method
CN103368710B (en) Process method and the communicator thereof of hybrid automatic repeat-request passback
CN105393624A (en) Terminal device, base station device, communications method, and integrated circuit
CN106804116B (en) Transmission method of feedback information, base station and user equipment
US10321469B2 (en) Terminal device, integrated circuit, and radio communication method
CN108633036A (en) A kind of control information transferring method and device
WO2014156894A1 (en) Terminal device, base station device, communications method, and integrated circuit
CN104871468A (en) Method for transport block transmission and blind reception
CN101960756A (en) Mobile communication system, base station device, user device, and method
US9867184B2 (en) Terminal apparatus and base station apparatus for receiving and transmitting downlink via physical downlink shared channel (PDSCH)
CN102347823B (en) Merging feedback and instruction method, device and system for answer information
CN102056228A (en) Uplink hybrid automatic repeat request response information and indication bond transmission method and base station
CN102468940A (en) Scheduling request and ACK/NACK (acknowledgement/negative acknowledgement) information transmission method and device
US11991690B2 (en) Method and apparatus for flexible transmission on unlicensed spectrum
CN102215093A (en) Downlink transmission feedback method, base station and user terminal

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160302

CF01 Termination of patent right due to non-payment of annual fee