CN102237981B - Method and equipment for transmitting ACK (Acknowledgement)/NACK (Negative Acknowledgement) information - Google Patents
Method and equipment for transmitting ACK (Acknowledgement)/NACK (Negative Acknowledgement) information Download PDFInfo
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- CN102237981B CN102237981B CN201010164645.0A CN201010164645A CN102237981B CN 102237981 B CN102237981 B CN 102237981B CN 201010164645 A CN201010164645 A CN 201010164645A CN 102237981 B CN102237981 B CN 102237981B
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Abstract
The embodiment of the invention discloses a method and equipment for transmitting ACK (Acknowledgement)/NACK (Negative Acknowledgement) information. Due to the adoption of the method and the equipment, space combination of a large amount of code word ACK/NACK is realized through channel configuration UE (User Equipment), and the bit number of ACK/NACK fed back by an up subframe is reduced. Space combination can be configured as required according to signaling, and the bit number fed back by ACK/NACK multiplexing is varied flexibly according to the adoption of space combination. The method and the equipment are suitable for FDD (Frequency Division Duplex) and TDD (Time Division Duplex) systems.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of transmission method of ACK/NACK information and equipment.
Background technology
For long-term evolution multi-carrier system, for supporting the system bandwidth wider than LTE system, such as 100MHz, a kind of may be the frequency spectrum directly distributing 100M bandwidth, as shown in Figure 1; One may be to distribute to some spectrum aggregatings of existing system, gather into large bandwidth supply long-term evolution multi-carrier system to use, now in system, up-downgoing carrier wave can asymmetricly configure, namely user may take carrier wave and carries out downlink transfer, individual carrier wave carries out uplink, as shown in Figure 2.When the Dynamic data exchange on each descending carrier carries out coding and decoding, user will carry out HARQ repeat requests (i.e. ACK/NACK information) feedback respectively for the packet on each carrier wave.Therefore, user may simultaneously to the multiple ACK/NACK information of base station feedback in a sub-frame of uplink.
Lte-a system is determined to support that at most 5 carrier waves are polymerized at present.Need in same subframe, carry out ACK/NACK feedback multiple descending carrier and descending sub frame, hereinafter referred to as " feedback window ".
For FDD system, the descending carrier quantity N of the size L=UE polymerization of feedback window.For TDD system, the size L=N × M of feedback window, wherein N is the descending carrier number of UE polymerization, the corresponding descending sub frame quantity of carrying out feeding back at same sub-frame of uplink of M, for different uplink-downlink configuration and sub-frame of uplink, the value of M is different, i.e. the quantity of each hurdle K in table 1.
ACK/NACK multiplexing transmission in LTE Rel 8 system, in many codeword transmission and M > 1 time, space merging is carried out to the ACK/NACK information default of many code words, the ACK/NACK feedback information being about to belong to the different code words of same user corresponding carries out logic add, obtains the ACK/NACK information of 1 bit compound.
Table 1Downlink association set index K:{k
0, k
1... k
m-1for TDD
In the process realizing the embodiment of the present invention, applicant finds that prior art at least exists following problem:
In LTE-A carrier aggregation system, reusable Rel 8PUCCH format 2/2a/2b transmits many bit ACK/NACK, or use PUSCH transmit ascending data and ACK/NACK simultaneously, also can introduce new PUCCH structure, to carry jumbo ascending control information simultaneously.The ACK/NACK transmission capacity of said method is different, if continue to use Rel 8 multiplex mode, the ACK/NACK information corresponding to many code words of all M > 1 carries out space merging all the time, number of retransmissions can be caused to increase, influential system throughput.Therefore, when using described method to feed back many bit ACK/NACK, should configure as required and whether adopt the ACK/NACK space between code word to merge, but scheme not such in prior art.
Summary of the invention
The embodiment of the present invention provides a kind of transmission method and equipment of ACK/NACK information, solves the multiplexing transmission problem of many bit ACK/NACK.
For achieving the above object, the embodiment of the present invention provides a kind of transmission method of ACK/NACK information on the one hand, comprising:
Terminal equipment, according to configuration information entrained in the RRC signaling received or PDCCH signaling, identifies ACK/NACK transmission mode;
Described terminal equipment, according to described ACK/NACK transmission mode, in all or part of descending carrier, carries out space merging to the ACK/NACK information of many codeword transmission;
Described terminal equipment transmits the ACK/NACK information after the merging of described space.
On the other hand, the embodiment of the present invention additionally provides a kind of terminal equipment, comprising:
Identification module, for identifying according to configuration information entrained in the RRC signaling received or PDCCH signaling, identifies ACK/NACK transmission mode;
Processing module, for the ACK/NACK transmission mode identified according to described identification module, in all or part of descending carrier, carries out space merging to the ACK/NACK information of many codeword transmission;
Transport module, carries out the ACK/NACK information after the merging of space for transmitting described processing module.
On the other hand, the embodiment of the present invention additionally provides a kind of transmission method of ACK/NACK information, comprising:
Network equipment judges that a terminal equipment carries out space merging the need of in descending carrier to the ACK/NACK information of many codeword transmission;
If judged result is for needing, described network equipment sends the RRC signaling of carrying corresponding configuration information to described terminal equipment, indicate described terminal equipment to carry out the transmission of ACK/NACK information according to the ACK/NACK transmission mode corresponding to described configuration information.
On the other hand, the embodiment of the present invention additionally provides a kind of network equipment, comprising:
Judge module, for judging that a terminal equipment carries out space merging the need of in descending carrier to the ACK/NACK information of many codeword transmission;
Sending module, for when the judged result of described judge module is for needs, send the RRC signaling of carrying corresponding configuration information to described terminal equipment, indicate described terminal equipment to carry out the transmission of ACK/NACK information according to the ACK/NACK transmission mode corresponding to described configuration information.
On the other hand, the embodiment of the present invention additionally provides a kind of transmission method of ACK/NACK information, comprising:
The descending carrier scope of carrying out the merging of ACK/NACK information space is determined according to the specific configuration information of terminal equipment and current scheduling of resource situation in base station;
Described base station to described terminal equipment send carry described in carry out the PDCCH signaling of the configuration information of the descending carrier scope of ACK/NACK information space merging, indicate described terminal equipment to carry out the transmission of ACK/NACK information according to the ACK/NACK transmission mode corresponding to described configuration information.
On the other hand, the embodiment of the present invention additionally provides a kind of base station, comprising:
Determination module, for determining the descending carrier scope of carrying out the merging of ACK/NACK information space according to the specific configuration information of terminal equipment and current scheduling of resource situation;
Sending module, carrying the determined PDCCH signaling of carrying out the configuration information of the descending carrier scope of ACK/NACK information space merging of described determination module for sending to described terminal equipment, indicating described terminal equipment to carry out the transmission of ACK/NACK information according to the ACK/NACK transmission mode corresponding to described configuration information.
Compared with prior art, the embodiment of the present invention has the following advantages:
By applying the technical scheme of the embodiment of the present invention, achieve, by signal deployment UE, space merging is carried out to many code words ACK/NACK, reduce the ACK/NACK bit number a sub-frame of uplink feedback, wherein, space merging is configured as required by signaling, the bit number of the multiplexing feedback of ACK/NACK according to whether adopting space to merge change flexibly, to FDD and TDD system all applicable.
Accompanying drawing explanation
Fig. 1 is single-frequency spectral system schematic in prior art;
Fig. 2 is prior art intermediate frequency spectrum paradigmatic system schematic diagram;
Fig. 3 is the schematic flow sheet of the transmission method of a kind of ACK/NACK information that the embodiment of the present invention proposes;
Fig. 4 is the schematic flow sheet of transmission method at network side of a kind of ACK/NACK information that the embodiment of the present invention proposes;
Fig. 5 is the schematic flow sheet of transmission method in base station side of a kind of ACK/NACK information that the embodiment of the present invention proposes;
Fig. 6 is the schematic diagram carrying out the merging of ACK/NACK information space in a kind of embody rule scene of embodiment of the present invention proposition;
Fig. 7 is the schematic diagram carrying out the merging of ACK/NACK information space in a kind of embody rule scene of embodiment of the present invention proposition;
Fig. 8 is the schematic diagram carrying out the merging of ACK/NACK information space in a kind of embody rule scene of embodiment of the present invention proposition;
Fig. 9 is the schematic diagram carrying out the merging of ACK/NACK information space in a kind of embody rule scene of embodiment of the present invention proposition;
Figure 10 is the structural representation of a kind of terminal equipment that the embodiment of the present invention proposes;
Figure 11 is the structural representation of a kind of network equipment that the embodiment of the present invention proposes;
Figure 12 is the structural representation of a kind of base station that the embodiment of the present invention proposes.
Embodiment
As stated in the Background Art, when feeding back many bit ACK/NACK, need to configure the configuration information whether adopting the ACK/NACK space between code word to merge, in order to realize such technique effect, the embodiment of the present invention gives the transmission method of ACK/NACK information.
To lte-a system, when system adopts many codeword transmission pattern, UE is when a sub-frame of uplink multiplexing transmission ACK/NACK, and whether the ACK/NACK information of many code words carries out space merges configurable, and concrete collocation method is as follows:
As shown in Figure 3, be the schematic flow sheet of the transmission method of a kind of ACK/NACK information of embodiment of the present invention proposition, the method specifically comprises the following steps:
Step S301, terminal equipment, according to configuration information entrained in the RRC signaling received or PDCCH signaling, identify ACK/NACK transmission mode.
Accordingly, the recognition result of this step arranges regular difference according to concrete configuration information, is divided into following three kinds of situations:
Whether situation one, RRC signaling only configure the merging of ACK/NACK information space and come into force, if come into force, terminal equipment determines the descending carrier scope of carrying out the merging of ACK/NACK information space.
Corresponding processing procedure is as follows:
Terminal equipment merges according to ACK/NACK information space entrained in the RRC signaling received the configuration information whether come into force, and determines whether as ACK/NACK information carries out space merging;
If be defined as ACK/NACK information to carry out space merging, terminal equipment is determined at whole descending carrier according to the strategy preset, or other descending carriers except downlink main carrier to carry carry out the merging of ACK/NACK information space.
Situation two, RRC signaling directly configure the descending carrier scope of carrying out the merging of ACK/NACK information space.
Corresponding processing procedure is as follows:
The configuration information carrying out the descending carrier scope of ACK/NACK information space merging carried in terminal equipment identification RRC signaling;
When the descending carrier scope of carrying out the merging of ACK/NACK information space is all or part of descending carrier, terminal equipment is determined to carry out the merging of ACK/NACK information space on corresponding all or part of descending carrier;
When carrying out the descending carrier scope of ACK/NACK information space merging for time empty, terminal equipment is determined not carry out the merging of ACK/NACK information space.
Wherein, the configuration information carrying out the descending carrier scope of ACK/NACK information space merging carried in RRC signaling, is specially network equipment and determines according to the specific configuration information of terminal equipment and current scheduling of resource situation.
Whether the merging of situation three, PDCCH signal deployment ACK/NACK information space comes into force, if come into force, terminal equipment determines the descending carrier scope of carrying out the merging of ACK/NACK information space.
Corresponding processing procedure is as follows:
Terminal equipment merges according to entrained ACK/NACK information space in the PDCCH signaling of the base station transmission received the configuration information whether come into force, and determines whether as ACK/NACK information carries out space merging;
If be defined as ACK/NACK information to carry out space merging, terminal equipment is determined at whole descending carrier according to the strategy that carries in the strategy preset or PDCCH, or other descending carriers except downlink main carrier to carry carry out the merging of ACK/NACK information space.
The direct notification terminal equipment of situation four, PDCCH signaling carries out the descending carrier scope of ACK/NACK information space merging.
Corresponding processing procedure is as follows:
The PDCCH signaling that the base station that terminal equipment receives sends;
The configuration information carrying out the descending carrier scope of ACK/NACK information space merging carried in terminal equipment identification PDCCH signaling;
When the descending carrier scope of carrying out the merging of ACK/NACK information space is all or part of descending carrier, terminal equipment is determined to carry out the merging of ACK/NACK information space on corresponding all or part of descending carrier;
When carrying out the descending carrier scope of ACK/NACK information space merging for time empty, terminal equipment is determined not carry out the merging of ACK/NACK information space.
Wherein, the configuration information carrying out the descending carrier scope of ACK/NACK information space merging carried in PDCCH signaling, is specially base station and determines according to the specific configuration information of terminal equipment and current scheduling of resource situation.
Step S302, terminal equipment, according to ACK/NACK transmission mode, in all or part of descending carrier, carry out space merging to the ACK/NACK information of many codeword transmission.
ACK/NACK information after step S303, terminal equipment transmission space merge.
The transmission method of a kind of ACK/NACK information that said process proposes for the embodiment of the present invention is in the application flow of terminal equipment side, corresponding, according to miscellaneous equipment or base station that the main body of the corresponding consolidation strategy of configuration is network side, the embodiment of the present invention is described as follows at network side and the corresponding processing procedure of base station side the technical program further:
As shown in Figure 4, the transmission method of a kind of ACK/NACK information proposed for the embodiment of the present invention, at the schematic flow sheet of network side, specifically comprises the following steps:
Step S401, network equipment judge that a terminal equipment carries out space merging the need of in descending carrier to the ACK/NACK information of many codeword transmission.
If judged result for needing, then performs step S402;
If judged result is not for need, then perform step S403.
Step S402, network equipment send the RRC signaling of carrying corresponding configuration information to terminal equipment, indicating terminal equipment carries out the transmission of ACK/NACK information according to the ACK/NACK transmission mode corresponding to configuration information.
The processing procedure of this step, specifically comprises:
Network equipment sends the RRC signaling of carrying ACK/NACK information space and merging the configuration information come into force to terminal equipment; Or,
Network equipment sends the RRC signaling of carrying the configuration information of the descending carrier scope of carrying out the merging of ACK/NACK information space to terminal equipment; Or
Network equipment does not send the RRC signaling of carrying ACK/NACK information space and merging the configuration information whether come into force to terminal equipment.
Wherein, carry out the configuration information of the descending carrier scope of ACK/NACK information space merging, be specially network equipment and determine according to the specific configuration information of terminal equipment and current scheduling of resource situation.
Step S403, network equipment send to terminal equipment and carry ACK/NACK information space and merge and not come into force or descending carrier scope that ACK/NACK information space merges is the RRC signaling of empty configuration information.
As shown in Figure 5, the transmission method of a kind of ACK/NACK information proposed for the embodiment of the present invention, at the schematic flow sheet of base station, specifically comprises the following steps:
Step S501, base station judge that a terminal equipment carries out space merging the need of in descending carrier to the ACK/NACK information of many codeword transmission.
If judged result for needing, then performs step S502;
If judged result is not for need, then perform step S503.
Step S502, base station send the PDCCH signaling of carrying corresponding configuration information to terminal equipment, indicating terminal equipment carries out the transmission of ACK/NACK information according to the ACK/NACK transmission mode corresponding to configuration information.
The processing procedure of this step, specifically comprises:
Base station sends the PDCCH signaling of carrying ACK/NACK information space and merging the configuration information come into force to terminal equipment; Or,
Base station sends the PDCCH signaling of carrying the configuration information of the descending carrier scope of carrying out the merging of ACK/NACK information space to terminal equipment; Or,
Base station does not send the RRC signaling of carrying ACK/NACK information space and merging the configuration information whether come into force to terminal equipment.
Wherein, carry out the configuration information of the descending carrier scope of ACK/NACK information space merging, be specially base station and determine according to the specific configuration information of terminal equipment and current scheduling of resource situation.
On the other hand, base station to terminal equipment send carry ACK/NACK information space merges the PDCCH signaling of the configuration information come into force time, also comprise base station and carry out the configuration information of the descending carrier scope of ACK/NACK information space merging by PDCCH signaling to terminal equipment transmission.
Step S403, base station send to terminal equipment and carry ACK/NACK information space and merge and not come into force or descending carrier scope that ACK/NACK information space merges is the PDCCH signaling of empty configuration information.
Compared with prior art, the embodiment of the present invention has the following advantages:
By applying the technical scheme of the embodiment of the present invention, achieve, by signal deployment UE, space merging is carried out to many code words ACK/NACK, reduce the ACK/NACK bit number a sub-frame of uplink feedback, wherein, space merging is configured as required by signaling, the bit number of the multiplexing feedback of ACK/NACK according to whether adopting space to merge change flexibly, to FDD and TDD system all applicable.
Below, in conjunction with concrete application scenarios, the technical scheme that the embodiment of the present invention proposes is described.
Based on above-mentioned technical thought, the embodiment of the present invention specifically provides following six kinds of technical schemes, is described as follows:
Whether scheme one, the merging of RRC signaling semi-static configuration ACK/NACK space come into force, if come into force, UE, on all N number of descending polymerization carrier waves or lower line activating carrier wave, carries out space merging to the ACK/NACK information of many codeword transmission, do not need signaling to come into force carrier wave, UE and base station known.
As shown in Figure 6, suppose that descending carrier 1 is for downlink main carrier to carry, then according to method one, when two descending carrier polymerizations, the semi-static ACK/NACK space that is configured with of RRC signaling merges, and therefore, UE carries out space merging to the ACK/NACK on descending carrier 1 and descending carrier 2.
Whether scheme two, the merging of RRC signaling semi-static configuration ACK/NACK space come into force, if come into force, UE is on all N-1 except downlink main carrier to carry descending polymerization carrier waves or lower line activating carrier wave, space merging is carried out to the ACK/NACK information of many codeword transmission, do not need signaling to come into force carrier wave, UE and base station known.
As shown in Figure 7, suppose that descending carrier 1 is for downlink main carrier to carry, then according to method two, when three descending carrier polymerizations, the semi-static ACK/NACK space that is configured with of RRC signaling merges, and UE only carries out space merging to the descending carrier 2 except downlink main carrier to carry and the ACK/NACK on descending carrier 3.
Scheme three, according to the concrete configuration of UE and actual schedule situation, the semi-static configuration UE of RRC signaling, on the individual descending polymerization carrier wave of A (0≤A≤N) or lower line activating carrier wave, carries out space merging to the ACK/NACK information of many codeword transmission.
As shown in Figure 8, suppose that descending carrier 1 is for downlink main carrier to carry, then according to method three, when four descending carrier polymerizations, the descending carrier scope that the semi-static ACK/NACK of the being configured with space of RRC signaling merges is two descending carriers (i.e. A=2) comprising downlink main carrier to carry, such as, descending carrier 1 and descending carrier 3, then UE carries out the merging of ACK/NACK space on descending carrier 1 and 3.
Scheme four, according to the concrete configuration of UE and actual schedule situation, the semi-static configuration UE of RRC signaling, on the individual descending polymerization carrier wave of B (0≤B≤N-1) except downlink main carrier to carry or lower line activating carrier wave, carries out space merging to the ACK/NACK information of many codeword transmission.
As shown in Figure 9, suppose that descending carrier 1 is for downlink main carrier to carry, then according to method four, when five descending carrier polymerizations, the descending carrier scope that the semi-static ACK/NACK of the being configured with space of RRC signaling merges is three descending carriers (i.e. B=3) except downlink main carrier to carry, such as, descending carrier 2, descending carrier 3 and descending carrier 4, then UE carries out the merging of ACK/NACK space on the descending carrier 2,3 and 4 except downlink main carrier to carry.
Whether scheme five, base station are come into force by the merging of PDCCH signaling dynamic-configuration ACK/NACK space, if come into force, UE is on all N number of descending polymerization carrier waves or lower line activating carrier wave, carry out space merging to the ACK/NACK information of many codeword transmission, UE selects the strategy carrying out the carrier wave of space merging consistent with base station here.
Equally as shown in Figure 6, suppose that descending carrier 1 is for downlink main carrier to carry, then according to method five, when two descending carrier polymerizations, PDCCH signaling dynamic-configuration ACK/NACK space merges, and therefore, UE carries out space merging to the ACK/NACK on descending carrier 1 and descending carrier 2.
Whether scheme six, base station are come into force by the merging of PDCCH signaling dynamic-configuration ACK/NACK space, if come into force, UE is on all N-1 except downlink main carrier to carry descending polymerization carrier waves or lower line activating carrier wave, carry out space merging to the ACK/NACK information of many codeword transmission, UE selects the strategy carrying out the carrier wave of space merging consistent with base station here.
Equally as shown in Figure 7, suppose that descending carrier 1 is for downlink main carrier to carry, then according to method six, when three descending carrier polymerizations, PDCCH signaling dynamic-configuration ACK/NACK space merges, and UE only carries out space merging to the descending carrier 2 except downlink main carrier to carry and the ACK/NACK on descending carrier 3.
It should be noted that; in above-mentioned scheme five and scheme six, UE selects the strategy carrying out the carrier wave of space merging can pre-set in UE and base station; also can be carried to UE in the lump by PDCCH, which kind of mode of embody rule can't affect protection scope of the present invention.
Scheme seven, base station, according to UE configuring condition and actual schedule situation, are determined, on C (0≤C≤N) the individual carrier wave of UE in descending polymerization or activation carrier wave, to carry out space merging to the ACK/NACK of many codeword transmission, and by PDCCH signaling UE.
Equally as shown in Figure 8, suppose that descending carrier 1 is for downlink main carrier to carry, then according to method seven, when four descending carrier polymerizations, the descending carrier scope that PDCCH signaling dynamic-configuration ACK/NACK space merges is two descending carriers (i.e. C=2) comprising downlink main carrier to carry, such as, descending carrier 1 and descending carrier 3, then UE carries out the merging of ACK/NACK space on descending carrier 1 and 3.
Scheme eight, base station are according to UE configuring condition and actual schedule situation, determine on D (0≤D≤N-1) the individual carrier wave of UE in descending polymerization or activation carrier wave except downlink main carrier to carry, space merging is carried out to the ACK/NACK of many codeword transmission, and by PDCCH signaling UE.
Equally as shown in Figure 9, suppose that descending carrier 1 is for downlink main carrier to carry, then according to method eight, when five descending carrier polymerizations, the descending carrier scope that PDCCH signaling dynamic-configuration ACK/NACK space merges is three descending carriers (i.e. D=3) except downlink main carrier to carry, such as, descending carrier 2, descending carrier 3 and descending carrier 4, then UE carries out the merging of ACK/NACK space on the descending carrier 2,3 and 4 except downlink main carrier to carry.
Compared with prior art, the embodiment of the present invention has the following advantages:
By applying the technical scheme of the embodiment of the present invention, achieve, by signal deployment UE, space merging is carried out to many code words ACK/NACK, reduce the ACK/NACK bit number a sub-frame of uplink feedback, wherein, space merging is configured as required by signaling, the bit number of the multiplexing feedback of ACK/NACK according to whether adopting space to merge change flexibly, to FDD and TDD system all applicable.
In order to realize the technical scheme of the embodiment of the present invention, the embodiment of the present invention additionally provides a kind of terminal equipment, and its structural representation as shown in Figure 10, specifically comprises:
Identification module 101, for identifying according to configuration information entrained in the RRC signaling received or PDCCH signaling, identifies ACK/NACK transmission mode;
Processing module 102, for the ACK/NACK transmission mode identified according to identification module 101, in all or part of descending carrier, carries out space merging to the ACK/NACK information of many codeword transmission;
Transport module 103, carries out the ACK/NACK information after the merging of space for transmission process module 102.
In concrete application scenarios, terminal equipment also comprises and arranges module 104, for directly arranging or arranging according to the indication information of base station side the descending carrier scope selection strategy that ACK/NACK information carries out space merging.
Accordingly, identification module 101 merges according to ACK/NACK information space entrained in the RRC signaling received the configuration information whether come into force, and determines whether as ACK/NACK information carries out space merging;
If be defined as ACK/NACK information to carry out space merging, identification module 101 is determined at whole descending carrier according to arranging the strategy that module 104 arranges, or other descending carriers except downlink main carrier to carry carry out the merging of ACK/NACK information space.
In another case, identification module 101 merges according to ACK/NACK information space entrained in the PDCCH signaling received the configuration information whether come into force, and determines whether as ACK/NACK information carries out space merging;
If be defined as ACK/NACK information to carry out space merging, identification module 101 is determined at whole descending carrier according to arranging entrained strategy in strategy or PDCCH signaling that module 104 arranges, or other descending carriers except downlink main carrier to carry carry out the merging of ACK/NACK information space.
In another case, identification module 101 identifies the configuration information carrying out the descending carrier scope of ACK/NACK information space merging carried in RRC signaling;
When the descending carrier scope of carrying out the merging of ACK/NACK information space is all or part of descending carrier, identification module 101 is determined to carry out the merging of ACK/NACK information space on corresponding all or part of descending carrier;
When carrying out the descending carrier scope of ACK/NACK information space merging for time empty, identification module 101 is determined not carry out the merging of ACK/NACK information space.
In another case, identification module 101, according to configuration information entrained in the PDCCH signaling received, identifies ACK/NACK transmission mode, is specially:
Identification module 101 identifies the configuration information carrying out the descending carrier scope of ACK/NACK information space merging carried in the PDCCH signaling that the base station received sends;
When the descending carrier scope of carrying out the merging of ACK/NACK information space is all or part of descending carrier, identification module 101 is determined to carry out the merging of ACK/NACK information space on corresponding all or part of descending carrier;
When carrying out the descending carrier scope of ACK/NACK information space merging for time empty, identification module 101 is determined not carry out the merging of ACK/NACK information space.
On the other hand, the embodiment of the present invention additionally provides a kind of network equipment, and its structural representation as shown in figure 11, specifically comprises:
Judge module 111, for judging that a terminal equipment carries out space merging the need of in descending carrier to the ACK/NACK information of many codeword transmission;
Sending module 112, for when the judged result of judge module 111 is for needs, send the RRC signaling of carrying corresponding configuration information to terminal equipment, indicating terminal equipment carries out the transmission of ACK/NACK information according to the ACK/NACK transmission mode corresponding to configuration information.
Wherein, sending module 112, specifically for:
When the judged result of judge module 111 is for needs, sending module 112 sends the RRC signaling of carrying ACK/NACK information space and merging the configuration information come into force to terminal equipment, or sends the RRC signaling of carrying the configuration information of the descending carrier scope of carrying out the merging of ACK/NACK information space to terminal equipment;
When the judged result of judge module 111 is not for needing, sending module 112 sends the RRC signaling of carrying ACK/NACK information space and merging infirm configuration information to terminal equipment, or network equipment carries to terminal equipment transmission the RRC signaling that the descending carrier scope of carrying out the merging of ACK/NACK information space is empty configuration information.
Accordingly, this network equipment also comprises information generating module 113, for determining the configuration information of the descending carrier scope of carrying out the merging of ACK/NACK information space according to the specific configuration information of terminal equipment and current scheduling of resource situation.
On the other hand, the embodiment of the present invention additionally provides a kind of base station, and its structural representation as shown in figure 12, specifically comprises:
Judge module 121, for judging that a terminal equipment carries out space merging the need of in descending carrier to the ACK/NACK information of many codeword transmission;
Sending module 122, for when the judged result of judge module 121 is for needs, send the PDCCH signaling of carrying corresponding configuration information to terminal equipment, indicating terminal equipment carries out the transmission of ACK/NACK information according to the ACK/NACK transmission mode corresponding to configuration information.
Further, also comprise information generating module 123, for determining the configuration information of the descending carrier scope of carrying out the merging of ACK/NACK information space according to the specific configuration information of terminal equipment and current scheduling of resource situation.
Accordingly, sending module 122, specifically for:
When the judged result of judge module 121 is for needs, sending module 122 sends the PDCCH signaling of carrying ACK/NACK information space and merging the configuration information come into force to terminal equipment, or sends the PDCCH signaling of carrying the configuration information of the descending carrier scope of carrying out the merging of ACK/NACK information space to terminal equipment;
When the judged result of judge module 121 is not for needing, sending module 122 sends the PDCCH signaling of carrying ACK/NACK information space and merging infirm configuration information to terminal equipment, or network equipment carries to terminal equipment transmission the PDCCH signaling that the descending carrier scope of carrying out the merging of ACK/NACK information space is empty configuration information.
Wherein, sending module 122 to terminal equipment send carry ACK/NACK information space merge the PDCCH signaling of the configuration information come into force time, also comprise:
Sending module 122 sends the configuration information carrying out the descending carrier scope of ACK/NACK information space merging to terminal equipment by PDCCH signaling.
Compared with prior art, the embodiment of the present invention has the following advantages:
By applying the technical scheme of the embodiment of the present invention, achieve, by signal deployment UE, space merging is carried out to many code words ACK/NACK, reduce the ACK/NACK bit number a sub-frame of uplink feedback, wherein, space merging is configured as required by signaling, the bit number of the multiplexing feedback of ACK/NACK according to whether adopting space to merge change flexibly, to FDD and TDD system all applicable.
Through the above description of the embodiments, those skilled in the art can be well understood to the embodiment of the present invention can by hardware implementing, and the mode that also can add necessary general hardware platform by software realizes.Based on such understanding, the technical scheme of the embodiment of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions and perform each method implementing described in scene of the embodiment of the present invention in order to make a computer equipment (can be personal computer, server, or the network equipment etc.).
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram preferably implementing scene, the module in accompanying drawing or flow process might not be that the enforcement embodiment of the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device implemented in scene can carry out being distributed in the device of enforcement scene according to implementing scene description, also can carry out respective change and being arranged in the one or more devices being different from this enforcement scene.The module of above-mentioned enforcement scene can merge into a module, also can split into multiple submodule further.
The invention described above embodiment sequence number, just to describing, does not represent the quality implementing scene.
Be only the several concrete enforcement scene of the embodiment of the present invention above, but the embodiment of the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into the business limited field of the embodiment of the present invention.
Claims (29)
1. a transmission method for ACK/NACK information, is characterized in that, comprising:
Terminal equipment, according to configuration information entrained in the RRC signaling received or PDCCH signaling, identifies ACK/NACK transmission mode;
Described terminal equipment, according to described ACK/NACK transmission mode, in all or part of descending carrier, carries out space merging to the ACK/NACK information of many codeword transmission;
Described terminal equipment transmits the ACK/NACK information after the merging of described space;
Wherein, the merging of described space is specially:
ACK/NACK feedback information corresponding for the different code words belonging to same user is carried out logic add, obtains the ACK/NACK information of 1 bit compound.
2. the method for claim 1, is characterized in that, described terminal equipment, according to configuration information entrained in the RRC signaling received, identifies ACK/NACK transmission mode, specifically comprises:
Described terminal equipment according to described in the RRC signaling that receives entrained ACK/NACK information space merge the configuration information whether come into force, determine whether as ACK/NACK information carries out space merging;
If be defined as ACK/NACK information to carry out space merging, described terminal equipment is determined at whole descending carrier according to the strategy preset, or other descending carriers except downlink main carrier to carry carry out the merging of ACK/NACK information space.
3. the method for claim 1, is characterized in that, described terminal equipment, according to configuration information entrained in the RRC signaling received, identifies ACK/NACK transmission mode, specifically comprises:
The configuration information carrying out the descending carrier scope of ACK/NACK information space merging carried in RRC signaling described in described terminal equipment identification;
When the descending carrier scope of the described ACK/NACK of carrying out information space merging is all or part of descending carrier, described terminal equipment is determined to carry out the merging of ACK/NACK information space on corresponding all or part of descending carrier;
When described descending carrier scope of carrying out the merging of ACK/NACK information space is empty, described terminal equipment is determined not carry out the merging of ACK/NACK information space.
4. method as claimed in claim 3, it is characterized in that, the configuration information carrying out the descending carrier scope of ACK/NACK information space merging carried in described RRC signaling, is specially:
Network equipment is determined according to the specific configuration information of described terminal equipment and current scheduling of resource situation.
5. the method for claim 1, is characterized in that, described terminal equipment, according to configuration information entrained in the PDCCH signaling received, identifies ACK/NACK transmission mode, specifically comprises:
Described terminal equipment according to described in the PDCCH signaling that receives entrained ACK/NACK information space merge the configuration information whether come into force, determine whether as ACK/NACK information carries out space merging;
If be defined as ACK/NACK information to carry out space merging, described terminal equipment is determined at whole descending carrier according to strategy entrained in the strategy preset or described PDCCH signaling, or other descending carriers except downlink main carrier to carry carry out the merging of ACK/NACK information space.
6. the method for claim 1, is characterized in that, described terminal equipment, according to configuration information entrained in the PDCCH signaling received, identifies ACK/NACK transmission mode, is specially:
The configuration information carrying out the descending carrier scope of ACK/NACK information space merging carried in the PDCCH signaling that the base station that described terminal equipment identification receives sends;
When the descending carrier scope of the described ACK/NACK of carrying out information space merging is all or part of descending carrier, described terminal equipment is determined to carry out the merging of ACK/NACK information space on corresponding all or part of descending carrier;
When described descending carrier scope of carrying out the merging of ACK/NACK information space is empty, described terminal equipment is determined not carry out the merging of ACK/NACK information space.
7. method as claimed in claim 6, it is characterized in that, the configuration information carrying out the descending carrier scope of ACK/NACK information space merging carried in described PDCCH signaling, is specially:
Base station is determined according to the specific configuration information of described terminal equipment and current scheduling of resource situation.
8. a terminal equipment, is characterized in that, comprising:
Identification module, for according to configuration information entrained in the RRC signaling received or PDCCH signaling, identifies ACK/NACK transmission mode;
Processing module, for the ACK/NACK transmission mode identified according to described identification module, in all or part of descending carrier, carries out space merging to the ACK/NACK information of many codeword transmission;
Transport module, carries out the ACK/NACK information after the merging of space for transmitting described processing module;
Wherein, the merging of described space is specially:
ACK/NACK feedback information corresponding for the different code words belonging to same user is carried out logic add, obtains the ACK/NACK information of 1 bit compound.
9. terminal equipment as claimed in claim 8, is characterized in that, also comprise and arrange module, for directly arranging or arranging according to the indication information of base station side the descending carrier scope selection strategy that ACK/NACK information carries out space merging.
10. terminal equipment as claimed in claim 9, is characterized in that, described identification module, according to configuration information entrained in the RRC signaling received, identifies ACK/NACK transmission mode, specifically comprises:
Described identification module according to described in the RRC signaling that receives entrained ACK/NACK information space merge the configuration information whether come into force, determine whether as ACK/NACK information carries out space merging;
If be defined as ACK/NACK information to carry out space merging, described identification module is determined at whole descending carrier according to the described strategy arranging module installation, or other descending carriers except downlink main carrier to carry carry out the merging of ACK/NACK information space.
11. terminal equipments as claimed in claim 9, is characterized in that, described identification module, according to configuration information entrained in the PDCCH signaling received, identifies ACK/NACK transmission mode, specifically comprises:
Described identification module according to described in the PDCCH signaling that receives entrained ACK/NACK information space merge the configuration information whether come into force, determine whether as ACK/NACK information carries out space merging;
If be defined as ACK/NACK information to carry out space merging, in the strategy that described identification module arranges module installation according to described or described PDCCH signaling, entrained strategy is determined at whole descending carrier, or other descending carriers except downlink main carrier to carry carry out the merging of ACK/NACK information space.
12. terminal equipments as claimed in claim 8, is characterized in that, described identification module, according to configuration information entrained in the RRC signaling received, identifies ACK/NACK transmission mode, specifically comprises:
The configuration information carrying out the descending carrier scope of ACK/NACK information space merging carried in RRC signaling described in described identification module identification;
When the descending carrier scope of the described ACK/NACK of carrying out information space merging is all or part of descending carrier, described identification module is determined to carry out the merging of ACK/NACK information space on corresponding all or part of descending carrier;
When described descending carrier scope of carrying out the merging of ACK/NACK information space is empty, described identification module is determined not carry out the merging of ACK/NACK information space.
13. terminal equipments as claimed in claim 8, is characterized in that, described identification module, according to configuration information entrained in the PDCCH signaling received, identifies ACK/NACK transmission mode, is specially:
The configuration information carrying out the descending carrier scope of ACK/NACK information space merging carried in the PDCCH signaling that the base station that described identification module identification receives sends;
When the descending carrier scope of the described ACK/NACK of carrying out information space merging is all or part of descending carrier, described identification module is determined to carry out the merging of ACK/NACK information space on corresponding all or part of descending carrier;
When described descending carrier scope of carrying out the merging of ACK/NACK information space is empty, described identification module is determined not carry out the merging of ACK/NACK information space.
The transmission method of 14. 1 kinds of ACK/NACK information, is characterized in that, comprising:
Network equipment judges that a terminal equipment carries out space merging the need of in descending carrier to the ACK/NACK information of many codeword transmission;
If judged result is for needing, described network equipment sends the RRC signaling of carrying corresponding configuration information to described terminal equipment, indicate described terminal equipment to carry out the transmission of ACK/NACK information according to the ACK/NACK transmission mode corresponding to described configuration information;
Wherein, the merging of described space is specially:
ACK/NACK feedback information corresponding for the different code words belonging to same user is carried out logic add, obtains the ACK/NACK information of 1 bit compound.
15. methods as claimed in claim 14, is characterized in that, if judged result is for needing, described network equipment sends the RRC signaling of carrying corresponding configuration information to described terminal equipment, specifically comprise:
Described network equipment sends the RRC signaling of carrying ACK/NACK information space and merging the configuration information come into force to described terminal equipment; Or,
Described network equipment sends the RRC signaling of carrying the configuration information of the descending carrier scope of carrying out the merging of ACK/NACK information space to described terminal equipment.
16. methods as claimed in claim 15, it is characterized in that, the described configuration information carrying out the descending carrier scope of ACK/NACK information space merging, is specially described network equipment and determines according to the specific configuration information of described terminal equipment and current scheduling of resource situation.
17. methods as claimed in claim 16, is characterized in that, when network equipment judges that a terminal equipment does not need to carry out space merging to the ACK/NACK information of many codeword transmission in descending carrier, also comprise:
Described network equipment sends the RRC signaling of carrying ACK/NACK information space and merging infirm configuration information to described terminal equipment; Or,
Described network equipment sends to described terminal equipment and carries the RRC signaling that the descending carrier scope of carrying out the merging of ACK/NACK information space is empty configuration information; Or,
Described network equipment does not send the RRC signaling of carrying ACK/NACK information space and merging the configuration information whether come into force to described terminal equipment.
18. 1 kinds of network equipments, is characterized in that, comprising:
Judge module, for judging that a terminal equipment carries out space merging the need of in descending carrier to the ACK/NACK information of many codeword transmission;
Sending module, for when the judged result of described judge module is for needs, send the RRC signaling of carrying corresponding configuration information to described terminal equipment, indicate described terminal equipment to carry out the transmission of ACK/NACK information according to the ACK/NACK transmission mode corresponding to described configuration information;
Wherein, the merging of described space is specially:
ACK/NACK feedback information corresponding for the different code words belonging to same user is carried out logic add, obtains the ACK/NACK information of 1 bit compound.
19. network equipments as claimed in claim 18, is characterized in that, described sending module, specifically for:
When the judged result of described judge module is for needs, described sending module sends the RRC signaling of carrying ACK/NACK information space and merging the configuration information come into force to described terminal equipment, or sends the RRC signaling of carrying the configuration information of the descending carrier scope of carrying out the merging of ACK/NACK information space to described terminal equipment;
When the judged result of described judge module is not for needing, described sending module sends the RRC signaling of carrying ACK/NACK information space and merging infirm configuration information to described terminal equipment, or described network equipment carries to described terminal equipment transmission the RRC signaling that the descending carrier scope of carrying out the merging of ACK/NACK information space is empty configuration information.
20. network equipments as claimed in claim 19, it is characterized in that, also comprise information generating module, for determining the configuration information of the descending carrier scope of carrying out the merging of ACK/NACK information space according to the specific configuration information of described terminal equipment and current scheduling of resource situation.
The transmission method of 21. 1 kinds of ACK/NACK information, is characterized in that, comprising:
Base station judges that a terminal equipment carries out space merging the need of in descending carrier to the ACK/NACK information of many codeword transmission;
If judged result is for needing, described base station sends the PDCCH signaling of carrying corresponding configuration information to described terminal equipment, indicate described terminal equipment to carry out the transmission of ACK/NACK information according to the ACK/NACK transmission mode corresponding to described configuration information;
Wherein, the merging of described space is specially:
ACK/NACK feedback information corresponding for the different code words belonging to same user is carried out logic add, obtains the ACK/NACK information of 1 bit compound.
22. methods as claimed in claim 21, is characterized in that, if judged result is for needing, described base station sends the PDCCH signaling of carrying corresponding configuration information to described terminal equipment, specifically comprise:
Described base station sends the PDCCH signaling of carrying ACK/NACK information space and merging the configuration information come into force to described terminal equipment; Or,
Described base station sends the PDCCH signaling of carrying the configuration information of the descending carrier scope of carrying out the merging of ACK/NACK information space to described terminal equipment.
23. methods as claimed in claim 22, is characterized in that, described base station to described terminal equipment send carry ACK/NACK information space merge the PDCCH signaling of the configuration information come into force time, also comprise:
Described base station sends the configuration information carrying out the descending carrier scope of ACK/NACK information space merging to described terminal equipment by described PDCCH signaling.
24. methods as claimed in claim 22, it is characterized in that, the described configuration information carrying out the descending carrier scope of ACK/NACK information space merging, is specially described base station and determines according to the specific configuration information of described terminal equipment and current scheduling of resource situation.
25. methods as claimed in claim 24, is characterized in that, when base station judges that a terminal equipment does not need to carry out space merging to the ACK/NACK information of many codeword transmission in descending carrier, also comprise:
Described base station sends the PDCCH signaling of carrying ACK/NACK information space and merging infirm configuration information to described terminal equipment; Or,
Described base station sends to described terminal equipment and carries the PDCCH signaling that the descending carrier scope of carrying out the merging of ACK/NACK information space is empty configuration information; Or,
Described base station does not send the RRC signaling of carrying ACK/NACK information space and merging the configuration information whether come into force to described terminal equipment.
26. 1 kinds of base stations, is characterized in that, comprising:
Judge module, for judging that a terminal equipment carries out space merging the need of in descending carrier to the ACK/NACK information of many codeword transmission;
Sending module, for when the judged result of described judge module is for needs, send the PDCCH signaling of carrying corresponding configuration information to described terminal equipment, indicate described terminal equipment to carry out the transmission of ACK/NACK information according to the ACK/NACK transmission mode corresponding to described configuration information;
Wherein, the merging of described space is specially:
ACK/NACK feedback information corresponding for the different code words belonging to same user is carried out logic add, obtains the ACK/NACK information of 1 bit compound.
27. base stations as claimed in claim 26, it is characterized in that, also comprise information generating module, for determining the configuration information of the descending carrier scope of carrying out the merging of ACK/NACK information space according to the specific configuration information of described terminal equipment and current scheduling of resource situation.
28. base stations as claimed in claim 27, is characterized in that, described sending module, specifically for:
When the judged result of described judge module is for needs, described sending module sends the PDCCH signaling of carrying ACK/NACK information space and merging the configuration information come into force to described terminal equipment, or sends the PDCCH signaling of carrying the configuration information of the descending carrier scope of carrying out the merging of ACK/NACK information space to described terminal equipment;
When the judged result of described judge module is not for needing, described sending module sends the PDCCH signaling of carrying ACK/NACK information space and merging infirm configuration information to described terminal equipment, or carries to described terminal equipment transmission the PDCCH signaling that the descending carrier scope of carrying out the merging of ACK/NACK information space is empty configuration information.
29. base stations as claimed in claim 28, is characterized in that, described sending module to described terminal equipment send carry ACK/NACK information space merge the PDCCH signaling of the configuration information come into force time, also comprise:
Described sending module sends the configuration information carrying out the descending carrier scope of ACK/NACK information space merging to described terminal equipment by described PDCCH signaling.
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| CN102104461B (en) * | 2011-03-25 | 2013-04-10 | 电信科学技术研究院 | Space merge configuration and response information feedback method, system and equipment |
| US10250374B2 (en) | 2013-10-30 | 2019-04-02 | Lg Electronics Inc. | HARQ operation when TDD cell and FDD cell are included in carrier aggregation |
| EP3529931B1 (en) * | 2016-10-24 | 2021-09-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Fast ack/nack in wireless communication networks |
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| CN101635987A (en) * | 2008-07-25 | 2010-01-27 | 中兴通讯股份有限公司 | Method for feeding back downlink receiving state |
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| CN1633768A (en) * | 2002-02-19 | 2005-06-29 | 美商内数位科技公司 | Method and apparatus for providing a highly reliable ack/nack for time division duplex (TDD) and frequency division duplex (fdd) |
| CN101635987A (en) * | 2008-07-25 | 2010-01-27 | 中兴通讯股份有限公司 | Method for feeding back downlink receiving state |
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