CN102123501B - Determination method and equipment of ACK/NAK (acknowledgement character/negative acknowledge) resources - Google Patents
Determination method and equipment of ACK/NAK (acknowledgement character/negative acknowledge) resources Download PDFInfo
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- CN102123501B CN102123501B CN201010033857.5A CN201010033857A CN102123501B CN 102123501 B CN102123501 B CN 102123501B CN 201010033857 A CN201010033857 A CN 201010033857A CN 102123501 B CN102123501 B CN 102123501B
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Abstract
The embodiment of the invention discloses a determination method and equipment of ACK/NAK (acknowledgement character/negative acknowledge) resources. Under the condition that ACK/NAK resources are reserved in a downlink carrier and a plurality of uplink carriers, terminal equipment can determine an ACK/NAK channel in the ACK/NAK resources; and the ACK/NAK channel is used for transmitting an ACK/NAK message so as to guarantee normal realization of communication services.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of definite method and apparatus of ACK/NAK resource.
Background technology
General Cyclic Prefix (3rd GenerationPartnership Project Long Term Evolution normal Cyclic Prefix at third generation partner program long evolving system, 3GPP LTE normalCP) in, a time slot (slot) comprises 7 OFDM symbols (Orthogonal FrequencyDivision Multiplexing symbol, OFDM symbol), accordingly, acknowledge character/non-acknowledge character (ACKnowledge Character/Negative Acknowledge Character, ACK/NAK) transmission means as shown in Figure 1.
Wherein, [S0, S1 ..., S6] represent 7 OFDM symbol in a slot, d represents the ACK/NAK symbol of required transmission.
If 1 ACK/NAK bit, d is a constellation point of two-phase PSK signal (Binary Phase ShiftKeying, BPSK).
If 2 ACK/NAK bit, d is a constellation point of quarternary phase-shift keying (QPSK) signal (Quadrature Phase ShiftKeying, QPSK).
OFDM symbol[S0, S1, S5, S6] for transferring ACK/NAK data d.
Wd=[Wd (0) Wd (1) Wd (2) Wd (3)] be the spreading code (Orthogonal Cover, OC) of ACK/NAK data division.
In LTE system, Wd can value OCd0=[1111], OCd1=[1-11-1] or OCd2=[1-1-11].
R is pilot signal, and r=1.
OFDM symbol[S2, S3, S4] for transmitting pilot tone r.
Wr=[Wr (0) Wr (1) Wr (2)] be the spreading code (orthogonal cover, OC) of pilot portion.
In LTE system, Wr can value OCr0=[111], OCr1=[1 e
j2 π/3e
j4 π/3] or OCr2=[1 e
j4 π/3e
j2 π/3].
A subframe is comprised of two slot.
The transmission of ACK/NAK repeats on two slot of a subframe, as shown in Figure 1.
Evolution Cyclic Prefix (3rd GenerationPartnership Project Long Term Evolution extended Cyclic Prefix at third generation partner program long evolving system, 3GPP LTEextended CP) in, a slot comprises 6 OFDM symbol, accordingly, the transmission means of ACK/NAK as shown in Figure 2.
Wherein, [S0, S1 ..., S5] represent 6 OFDM symbol in a slot, d represents the ACK/NAK symbol of required transmission.
If 1 ACK/NAK bit, d is a constellation point of BPSK.
If 2 ACK/NAK bit, d is a constellation point of QPSK.
OFDM symbol[S0, S1, S4, S5] for transferring ACK/NAK data d.
Wd=[Wd (0) Wd (1) Wd (2) Wd (3)] be the spreading code of ACK/NAK data division.
In LTE, Wd can value OCd0=[1111]; Or OCd2=[1-1-11].
R is pilot signal, and r=1.
OFDM symbol[S2, S3] for transmitting pilot tone r.Wr=[Wr (0) Wr (1) Wr (2)] be the spreading code of pilot portion.
In LTE, Wr can value OCr0=[11] or OCr2=[1-1].A subframe is comprised of two slot.
The transmission of ACK/NAK repeats on two slot of a subframe, as shown in Figure 2.
In 3GPP LTE system, a Resource Block (Resource Block, RB) is comprised of 12 Resource Units (Resource Element, RE), and each RE is 15kHz on frequency domain.
To ACK/NAK transmission, on a RB in an OFDM symbol, transmit the sequence that a length is 12 (sequence).
This sequence is mutually orthogonal by 12 sequence that produce after different cyclic shifts (Cyclic Shift, CS).
Therefore, an ACK/NAK channel on a RB is determined by a CS and an OC.
In 3GPP LTE, ACK/NAK channel is determined by the CCE index of Physical Downlink Control Channel (Physical DownlinkControl Channel, PDCCH).
PDCCH is comprised of a plurality of control channels unit (Control Channel Element, CCE), and each CCE has a logical control channel unit number (CCE index).
On one or more CCE, a DL grant can be transmitted in base station, is used to indicate the transmission of dispatched downlink data PDSCH.Wherein, one or more CCE has continuous logic CCE index.
UE, after receiving DL grant, determines an ACK/NAK channel according to DL grant to deserved minimum logic CCE index, for transferring ACK/NAK information.
In 3GPP LTE, each CCE has a unique ACK/NAK channel corresponding with it.
In realizing the process of the embodiment of the present invention, applicant finds that prior art at least exists following problem:
At senior third generation partner program long evolving system (3rd Generation PartnershipProject Long Term Evolution Advanced, 3GPP LTE-A) in, carrier aggregation (CarrierAggregation, CA) will be supported, in such cases, a plurality of descending or up-link carriers can be grouped together in together.
If a descending carrier reserved ACK/NAK resource on a plurality of up-link carriers, so, UE need to determine that an ACK/NAK channel is for transferring ACK/NAK information, but in prior art, there is no such scheme.
Summary of the invention
The embodiment of the present invention provides a kind of definite method and apparatus of ACK/NAK resource, solve in the situation that a descending carrier is reserved ACK/NAK resource in a plurality of up-link carriers, how UE determines an ACK/NAK channel in a plurality of ACK/NAK resources, for the problem of transferring ACK/NAK message.
For achieving the above object, the embodiment of the present invention provides a kind of definite method of ACK/NAK resource on the one hand, comprising:
Terminal equipment identification receives the corresponding ACK/NAK channel resource of each descending carrier of information;
When terminal equipment identification receive information a descending carrier correspondence during many ACK/NAK channel resources, terminal equipment, according to the ACK/NAK resource selection rule under default many ACK/NAK channel scene, selects corresponding ACK/NAK channel to send ACK/NAK message.
On the other hand, the embodiment of the present invention also provides a kind of terminal equipment, comprising:
Module is set, for the ACK/NAK resource selection rule under many ACK/NAK channel scene is set at described terminal equipment;
Identification module, for identifying the corresponding ACK/NAK channel resource of each descending carrier of the information of receiving;
Select module, for when identification module, identify the information that receives a descending carrier correspondence during many ACK/NAK channel resources, according to the ACK/NAK resource selection rule arranging under the set many ACK/NAK channel scene of module, select corresponding ACK/NAK channel to send ACK/NAK message.
On the other hand, the embodiment of the present invention also provides a kind of base station, comprising:
Configuration module, is used to each descending carrier that corresponding main up-link carrier and time up-link carrier are set;
Sending module, for sending to terminal equipment the corresponding main uplink carrier information of each descending carrier that configuration module configures.
On the other hand, the embodiment of the present invention also provides a kind of definite method of ACK/NAK resource, comprising:
Terminal equipment receives the Indication message that base station sends, and obtains corresponding ACK/NAK resource selection rule under many ACK/NAK channel scene of wherein carrying;
When terminal equipment identification receive information a descending carrier correspondence during many ACK/NAK channel resources, terminal equipment, according to the ACK/NAK resource selection rule under the many ACK/NAK channel scene getting, selects corresponding ACK/NAK channel to send ACK/NAK message.
On the other hand, the embodiment of the present invention also provides a kind of terminal equipment, comprising:
Receiver module, the Indication message sending for receiving base station;
Acquisition module, for obtaining corresponding ACK/NAK resource selection rule under many ACK/NAK channel scene that the received Indication message of receiver module carries;
Identification module, for identifying the corresponding ACK/NAK channel resource of each descending carrier of the information of receiving;
Select module, for when identification module, identify the information that receives a descending carrier correspondence during many ACK/NAK channel resources, according to the ACK/NAK resource selection rule arranging under the set many ACK/NAK channel scene of module, select corresponding ACK/NAK channel to send ACK/NAK message.
On the other hand, the embodiment of the present invention also provides a kind of base station, comprising:
Configuration module, for configuring corresponding ACK/NAK resource selection rule under many ACK/NAK channel scene;
Sending module, for corresponding ACK/NAK resource selection rule under the many ACK/NAK channel scene configuring to terminal equipment transmission configuration module.
Compared with prior art, the embodiment of the present invention has the following advantages:
By the technical scheme of the application embodiment of the present invention, can be in the situation that a descending carrier be reserved ACK/NAK resource in a plurality of up-link carriers, make terminal equipment can in a plurality of ACK/NAK resources, determine an ACK/NAK channel, for transferring ACK/NAK message, guaranteed the normal realization of communication service.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of ACK transmission means in prior art;
Fig. 2 is the schematic diagram of another kind of ACK transmission means in prior art;
Fig. 3 is the schematic flow sheet of definite method of a kind of ACK/NAK resource of proposing of the embodiment of the present invention;
Fig. 4 is the schematic flow sheet of definite method of the another kind of ACK/NAK resource that proposes of the embodiment of the present invention;
Fig. 5 is a kind of carrier aggregation under the concrete application scenarios that proposes of the embodiment of the present invention and the scene schematic diagram of ACK/NAK resource reservation;
Fig. 6 is the schematic flow sheet that a kind of UE of embodiment of the present invention proposition sends ACK/NAK message;
Fig. 7 is the structural representation of a kind of terminal equipment of embodiment of the present invention proposition;
Fig. 8 is the structural representation of a kind of base station of embodiment of the present invention proposition;
Fig. 9 is the structural representation of the another kind of terminal equipment of embodiment of the present invention proposition;
Figure 10 is the structural representation of the another kind of base station of embodiment of the present invention proposition.
Embodiment
Whether, in 3GPP LTE/LTE-A system, the transmission block (transportblock, TB) that UE need to receive each feeds back an ACK/NAK, in order to notify this TB of eNodeB (base station) correctly to receive.
If UE feeding back ACK (or eNodeB detects ACK), eNodeB thinks that this TB is correctly received by UE so, and eNodeB dispatches new TB can to this UE.If UE feeds back NAK (or eNodeB detects NAK), eNodeB thinks that this TB is not correctly received by UE so, and eNodeB can retransmit this TB.
Each TB has CRC bits.If CRC detects, pass through, UE thinks that this TB correctly receives so, so feeding back ACK.If CRC detects unsuccessfully, UE thinks that this TB does not correctly receive so, therefore feeds back NAK.
In 3GPP LTE, UE need to determine an ACK/NAK channel, for transferring ACK/NAK message.ACK/NAK channel can by the sequence number of the control channel Elements C CE of deserved down control channel PDCCH is obtained.
In 3GPP LTE, the corresponding unique upstream band of each downstream bands.The ACK/NAK channel of this downstream bands is present in corresponding unique upstream band, the corresponding unique ACK/NAK channel of each CCE of down control channel.
In LTE-A, carrier aggregation technology will be used, and a plurality of continuous or discrete frequency bands can be grouped together in together.An if descending carrier reserved ACK/NAK resource on a plurality of up-link carriers, when the CCE of the PDCCH of a descending carrier may corresponding a plurality of ACK/NAK channel, UE need to determine an ACK/NAK channel in these a plurality of ACK/NAK channels, for transferring ACK/NAK message.
But at present, by UE, determined that the method for ACK/NAK channel does not propose.Therefore, for this problem, the embodiment of the present invention proposes under carrier aggregation, if there is the corresponding CCE index of a plurality of ACK/NAK channels, UE determines the method for the ACK/NAK channel using.
As shown in Figure 3, the schematic flow sheet of definite method of a kind of ACK/NAK resource proposing for the embodiment of the present invention, the method specifically comprises the following steps:
Step S301, corresponding ACK/NAK resource selection rule under many ACK/NAK channel scene is set in terminal equipment.
In practical application scene; concrete setting person can be regular setting operation terminal equipment being carried out by base station side; also can in terminal equipment production process, in software, in advance rule be set, such variation can't affect protection scope of the present invention.
Wherein, the ACK/NAK resource selection rule under above-mentioned many ACK/NAK channel scene, specifically can select according to the carrier frequency of the residing up-link carrier of ACK/NAK channel, specifically comprises:
Select the ACK/NAK channel on up-link carrier that carrier frequency is minimum to carry out the transmission of ACK/NAK message; Or,
Select the ACK/NAK channel on up-link carrier that carrier frequency is the highest to carry out the transmission of ACK/NAK message.
Moreover; because a descending carrier can exist the up-link carrier of a plurality of correspondences; therefore; can carry out the division of primary and secondary up-link carrier; in ACK/NAK resource selection rule under above-mentioned many ACK/NAK channel scene, also can further add the reach the standard grade selection foundation of carrier wave of primary and secondary; here the information of mentioned primary and secondary up-link carrier can send to terminal equipment by base station; concrete send mode can not affect protection scope of the present invention; in this case, ACK/NAK resource selection rule is specially:
If terminal equipment receives the corresponding main uplink carrier information of each descending carrier that base station sends, and corresponding many ACK/NAK channel resources of a descending carrier that terminal equipment identification receives information are respectively when corresponding main up-link carrier and time up-link carrier, and terminal equipment selects the ACK/NAK channel on main up-link carrier to carry out the transmission of ACK/NAK message;
If terminal equipment receives the corresponding main uplink carrier information of each descending carrier that base station sends, and corresponding many available ACK/NAK channel resources of a descending carrier that terminal equipment identification receives information are all when corresponding inferior up-link carrier, the ACK/NAK channel on the minimum or the highest inferior up-link carrier of terminal equipment selection carrier frequency carries out the transmission of ACK/NAK message.
Step S302, terminal equipment identification receive the corresponding ACK/NAK channel resource of each descending carrier of information.
When terminal equipment identification receive the descending carrier of information only corresponding during an ACK/NAK channel resource, execution step S303;
When terminal equipment identification receive information descending carrier correspondence during many ACK/NAK channel resources, execution step S304.
Step S303, according to existing procedure, carry out the transmission of ACK/NAK message.
Step S304, terminal equipment, according to the ACK/NAK resource selection rule under default many ACK/NAK channel scene, select corresponding ACK/NAK channel to send ACK/NAK message.
In definite method of above-mentioned ACK/NAK resource, ACK/NAK resource selection rule is predefined in terminal equipment, the embodiment of the present invention has also proposed a kind of definite method of ACK/NAK resource, the Indication message issuing by reception base station obtains corresponding ACK/NAK resource selection rule, idiographic flow schematic diagram as shown in Figure 4, comprises the following steps:
Step S401, terminal equipment receive the Indication message that base station sends, and obtain corresponding ACK/NAK resource selection rule under many ACK/NAK channel scene of wherein carrying.
Wherein, the ACK/NAK resource selection rule under above-mentioned many ACK/NAK channel scene, specifically can select according to the carrier frequency of the residing up-link carrier of ACK/NAK channel, specifically comprises:
Select the ACK/NAK channel on up-link carrier that carrier frequency is minimum to carry out the transmission of ACK/NAK message; Or,
Select the ACK/NAK channel on up-link carrier that carrier frequency is the highest to carry out the transmission of ACK/NAK message.
Moreover, because a descending carrier can exist the up-link carrier of a plurality of correspondences, therefore, can carry out the division of primary and secondary up-link carrier, in ACK/NAK resource selection rule under above-mentioned many ACK/NAK channel scene, also can further add the reach the standard grade selection foundation of carrier wave of primary and secondary, here the information of mentioned primary and secondary up-link carrier can send to terminal equipment by base station, concrete send mode can be in aforesaid Indication message, also can be to send by other message, concrete send mode can not affect protection scope of the present invention, in this case, ACK/NAK resource selection rule is specially:
If terminal equipment receives the corresponding main uplink carrier information of each descending carrier that base station sends, and corresponding many ACK/NAK channel resources of a descending carrier that terminal equipment identification receives information are respectively when corresponding main up-link carrier and time up-link carrier, and terminal equipment selects the ACK/NAK channel on main up-link carrier to carry out the transmission of ACK/NAK message;
If terminal equipment receives the corresponding main uplink carrier information of each descending carrier that base station sends, and corresponding many available ACK/NAK channel resources of a descending carrier that terminal equipment identification receives information are all when corresponding inferior up-link carrier, the ACK/NAK channel on the minimum or the highest inferior up-link carrier of terminal equipment selection carrier frequency carries out the transmission of ACK/NAK message.
Step S402, terminal equipment identification receive the corresponding ACK/NAK channel resource of each descending carrier of information.
When terminal equipment identification receive the descending carrier of information only corresponding during an ACK/NAK channel resource, execution step S403;
When terminal equipment identification receive information descending carrier correspondence during many ACK/NAK channel resources, execution step S404.
Step S403, according to existing procedure, carry out the transmission of ACK/NAK message.
Step S404, terminal equipment, according to the ACK/NAK resource selection rule under the many ACK/NAK channel scene getting, select corresponding ACK/NAK channel to send ACK/NAK message.
Compared with prior art, the embodiment of the present invention has the following advantages:
By the technical scheme of the application embodiment of the present invention, can be in the situation that a descending carrier be reserved ACK/NAK resource in a plurality of up-link carriers, make terminal equipment can in a plurality of ACK/NAK resources, determine an ACK/NAK channel, for transferring ACK/NAK message, guaranteed the normal realization of communication service.
Below, in conjunction with concrete application scenarios, the technical scheme that the embodiment of the present invention is proposed describes.
The technical scheme that the embodiment of the present invention proposes is applied in the scene of LTE-A carrier aggregation, an if descending carrier reserved ACK/NAK resource in a plurality of up-link carriers, how UE determines an ACK/NAK channel in a plurality of ACK/NAK resources, for transferring ACK/NAK message.
Fig. 5 provides the example of a kind of carrier aggregation and ACK/NAK resource reservation.In this carrier aggregation system, there are 3 descending carriers (DL CC) and 3 up-link carriers (UL CC).
Wherein, DL CC 1 reserved ACK/NAK resource in UL CC 1; DL CC 2 is reserved ACK/NAK resource in UL CC 1 and 2; DL CC 3 is reserved ACK/NAK resource in UL CC 2 and 3.
Each arrow in Fig. 5 represents that a CCE index on DL CC x is to the mapping relations of the ACK/NAK channel on UL CC y.
In actual applications, the flow process of UE transmission ACK/NAK message as shown in Figure 6, comprises the following steps:
Step S601, the UE PDCCH on DL CC x detects DL grant.
Step S602, UE determine that the corresponding ACK/NAK channel of the CCE that need to use on DL CC x sends ACK/NAK message.
Step S603, UE determine the CCE index I that DL grant is used.
Step S604, UE determine the corresponding all ACK/NAK channels of the CCE index I of DL CC x.
If the corresponding a plurality of ACK/NAK channels of the CCE index I of step S605 DL CC x, and UE have the ability a plurality of ACK/NAK channels in any one send ACK/NAK message, UE selects an ACK/NAK channel according to specific rule in a plurality of ACK/NAK channels so, for transferring ACK/NAK message.
In the main settlement steps to deal S605 of technical scheme that the embodiment of the present invention proposes, how UE selects an ACK/NAK channel according to specific rule in a plurality of ACK/NAK channels, for transferring ACK/NAK message.
For convenience of description, in subsequent embodiment of the present invention, suppose that a CCEindex on a DL CC is mapped at the most an ACK/NAK channel on a UL CC.But thought of the present invention is not limited to this hypothesis.
Scheme one: if the corresponding a plurality of ACK/NAK channels of the CCE index I of DL CC x, each ACK/NAK channel is on a UL CC, and UE have the ability a plurality of ACK/NAK channels in any one send ACK/NAK message, UE is used an ACK/NAK transmission ACK/NAK message in a plurality of ACK/NAK channels so, the ACK/NAK channel that the selective rule of ACK/NAK channel is redefined on the up-link carrier that selection carrier frequency is minimum in UE carries out the transmission of ACK/NAK message, therefore, finally minimum for the carrier frequency of the UL CC at the ACK/NAK channel place of transferring ACK/NAK message.
Use Fig. 5 is example, supposes that UE receives DL grant on DL CC 2, and UE determines ACK/NAK channel transmission ACK/NAK message corresponding to CCE index I of using the DL grant place on DL CC 2.The CCE index I that supposes DL CC 2 shines upon and obtains ACK/NAK channel 1 on UL CC 1, and on UL CC 2, mapping obtains ACK/NAK channel 2.UE is used the ACK/NAK channel 1 transferring ACK/NAK message on UL CC1.
Scheme two: if the corresponding a plurality of ACK/NAK channels of the CCE index I of DL CC x, each ACK/NAK channel is on a UL CC, and UE have the ability a plurality of ACK/NAK channels in any one send ACK/NAK message, UE is used an ACK/NAK transmission ACK/NAK message in a plurality of ACK/NAK channels so, the ACK/NAK channel that the selective rule of ACK/NAK channel is redefined on the up-link carrier that selection carrier frequency is the highest in UE carries out the transmission of ACK/NAK message, therefore, finally the highest for the carrier frequency of the UL CC at the ACK/NAK channel place of transferring ACK/NAK message.
Use Fig. 5 is example, supposes that UE receives DL grant on DL CC 2, and UE determines ACK/NAK channel transmission ACK/NAK message corresponding to CCE index I of using the DL grant place on DL CC 2.The CCE index I that supposes DL CC 2 shines upon and obtains ACK/NAK channel 1 on UL CC 1, and on UL CC 2, mapping obtains ACK/NAK channel 2.UE is used the ACK/NAK channel 2 transferring ACKs/NAK message on UL CC2.
Scheme three: if the corresponding a plurality of ACK/NAK channels of the CCE index I of DL CC x, each ACK/NAK channel is on a UL CC, and UE have the ability a plurality of ACK/NAK channels in any one send ACK/NAK message, UE is used an ACK/NAK transmission ACK/NAK message in a plurality of ACK/NAK channels so, the selective rule of ACK/NAK channel is that UE obtains by receiving the Indication message of base station, concrete rule can be that the ACK/NAK channel on the up-link carrier that selection carrier frequency is minimum or the highest carries out the transmission of ACK/NAK message, therefore, finally minimum or the highest for the carrier frequency of the UL CC at the ACK/NAK channel place of transferring ACK/NAK message.Wherein, the concrete form of Indication message can be high-level signaling or other form of message being sent to UE by base station side, because Indication message can be that specific UE is issued separately in base station, therefore, can to different UE, determine respectively the selective rule of different ACK/NAK channels, that is to say that some UE can be used the UL CC of high carrier frequency, some UE can be used the UL CC of lowest carrier frequency.
Use Fig. 5 is example, suppose that base station sends the selective rule of ACK/NAK channel to UE by high-level signaling, and UE receives DL grant on DL CC 2, and UE determines ACK/NAK channel transmission ACK/NAK message corresponding to CCE index I of using the DL grant place on DL CC 2.The CCE index I that supposes DL CC 2 shines upon and obtains ACK/NAK channel 1 on UL CC 1, and on UL CC2, mapping obtains ACK/NAK channel 2.If high layer information indication UE is used the UL CC of high carrier frequency, UE is used the ACK/NAK channel 2 transferring ACKs/NAK message on UL CC 2.If high-level signaling indication UE is used the UL CC of lowest carrier frequency, UE is used the ACK/NAK channel 1 transferring ACK/NAK message on UL CC 1.
Scheme four: each DL CC has the main UL CC (primary linked UL CC) of a unique correspondence.And except primary linked UL CC, each DL CC can also have one or more secondarylinked UL CC.If the corresponding a plurality of ACK/NAK channels of the CCE index I of DL CC x, each ACK/NAK channel is on a UL CC, one of them UL CC is the primary linkedUL CC of DL CC x, and remaining UL CC is the secondary linked UL CC of DL CC x.
If UE have the ability a plurality of ACK/NAK channels in any one send ACK/NAK message, UE is used an ACK/NAK transmission ACK/NAK message in a plurality of ACK/NAK channels so, the selective rule of ACK/NAK channel is redefined for the ACK/NAK channel of selecting on main up-link carrier and carries out the transmission of ACK/NAK message in UE, or the selective rule of UE by the ACK/NAK channel that receives the Indication message of base station and obtain is to select the ACK/NAK channel on main up-link carrier to carry out the transmission of ACK/NAK message, so, finally for the ACK/NAK channel of transferring ACK/NAK message at the primary linked of DL CC x UL CC.The primary linked UL CC of each DL CC is indicated by high-level signaling or other message.
Scheme five: each DL CC has the main UL CC (primary linked ULCC) of a unique correspondence at the most.Except primary linked UL CC, each DL CC can also have one or more secondarylinked UL CC.If the corresponding a plurality of ACK/NAK channels of the CCE index I of DL CC x, each ACK/NAK channel is on a UL CC, one of them UL CC is the primary linkedUL CC of DL CC x, remaining UL CC is the secondary linked UL CC of DL CC x, UE is used an ACK/NAK transmission ACK/NAK message in a plurality of ACK/NAK channels so, this ACK/NAK channel the primary linked UL CC of DL CC x on.
If the corresponding a plurality of ACK/NAK channels of the CCE index I of DL CC x, each ACK/NAK channel is on a UL CC, UL CC be all the secondary linked UL CC of DL CC x, UE is used an ACK/NAK transmission ACK/NAK message in a plurality of ACK/NAK channels so, the ACK/NAK channel that the selective rule of ACK/NAK channel is redefined on the inferior up-link carrier that selection carrier frequency is minimum or the highest in UE carries out the transmission of ACK/NAK message, or the selective rule of UE by the ACK/NAK channel that receives the Indication message of base station and obtain is to select the ACK/NAK channel on inferior up-link carrier that carrier frequency is minimum or the highest to carry out the transmission of ACK/NAK message, so, finally minimum or the highest for the carrier frequency of the UL CC at the ACK/NAK channel place of transferring ACK/NAK message.The primary linked UL CC of each DL CC is indicated by high-level signaling or other message.
Compared with prior art, the embodiment of the present invention has the following advantages:
By the technical scheme of the application embodiment of the present invention, can be in the situation that a descending carrier be reserved ACK/NAK resource in a plurality of up-link carriers, make terminal equipment can in a plurality of ACK/NAK resources, determine an ACK/NAK channel, for transferring ACK/NAK message, guaranteed the normal realization of communication service.
In order to realize the technical scheme of the embodiment of the present invention, the embodiment of the present invention also provides corresponding equipment, and corresponding technical scheme as shown in Figure 3, provides respectively a kind of terminal equipment and a kind of base station.
Wherein, the structural representation of terminal equipment as shown in Figure 7, specifically comprises:
Wherein, the ACK/NAK resource selection rule under the set many ACK/NAK channel scene of module 71 is set, specifically comprises:
Select the ACK/NAK channel on up-link carrier that carrier frequency is minimum to carry out the transmission of ACK/NAK message; Or,
Select the ACK/NAK channel on up-link carrier that carrier frequency is the highest to carry out the transmission of ACK/NAK message.
In concrete application scenarios, above-mentioned terminal equipment also comprises receiver module 74, the corresponding main uplink carrier information of each descending carrier sending for receiving base station;
Accordingly, in such cases, the ACK/NAK resource selection rule under the set many ACK/NAK channel scene of module 71 is set, also comprises:
If receiver module 74 receives the corresponding main uplink carrier information of each descending carrier that base station sends, and corresponding many ACK/NAK channel resources of a descending carrier that identification module 72 identification receives information when corresponding main up-link carrier and time up-link carrier, select the ACK/NAK channel on main up-link carrier to carry out the transmission of ACK/NAK message respectively;
If receiver module 74 receives the corresponding main uplink carrier information of each descending carrier that base station sends, and corresponding many ACK/NAK channel resources of a descending carrier that identification module 72 identification receives information are all when corresponding inferior up-link carrier, the ACK/NAK channel on the minimum or the highest inferior up-link carrier of selection carrier frequency carries out the transmission of ACK/NAK message.
On the other hand, the structural representation of base station as shown in Figure 8, specifically comprises:
Sending module 82, for sending to terminal equipment the corresponding main uplink carrier information of each descending carrier that configuration module 81 configures.
Corresponding technical scheme as shown in Figure 4, provides respectively another kind of terminal equipment and another kind of base station.Wherein, the structural representation of terminal equipment as shown in Figure 9, specifically comprises:
Wherein, the ACK/NAK resource selection rule under many ACK/NAK channel scene that acquisition module 92 obtains, specifically comprises:
Select the ACK/NAK channel on up-link carrier that carrier frequency is minimum to carry out the transmission of ACK/NAK message; Or,
Select the ACK/NAK channel on up-link carrier that carrier frequency is the highest to carry out the transmission of ACK/NAK message.
In concrete application scenarios, receiver module 91, the corresponding main uplink carrier information of each descending carrier also sending for receiving base station, the corresponding main uplink carrier information of each descending carrier is carried in Indication message, or is carried at base station in other message of terminal equipment transmission;
ACK/NAK resource selection rule under many ACK/NAK channel scene that acquisition module 92 obtains, also comprises:
If receiver module 91 receives the corresponding main uplink carrier information of each descending carrier that base station sends, and corresponding many ACK/NAK channel resources of a descending carrier that identification module 93 identification receives information when corresponding main up-link carrier and time up-link carrier, select the ACK/NAK channel on main up-link carrier to carry out the transmission of ACK/NAK message respectively;
If receiver module 91 receives the corresponding main uplink carrier information of each descending carrier that base station sends, and corresponding many ACK/NAK channel resources of a descending carrier that identification module 93 identification receives information are all when corresponding inferior up-link carrier, the ACK/NAK channel on the minimum or the highest inferior up-link carrier of selection carrier frequency carries out the transmission of ACK/NAK message.
On the other hand, the structural representation of base station as shown in figure 10, specifically comprises:
Sending module 102, for corresponding ACK/NAK resource selection rule under the many ACK/NAK channel scene configuring to terminal equipment transmission configuration module 101.
In concrete application scenarios,
Sending module 102, also for sending to terminal equipment the corresponding main uplink carrier information of each descending carrier that configuration module 101 configures.
Compared with prior art, the embodiment of the present invention has the following advantages:
By the technical scheme of the application embodiment of the present invention, can be in the situation that a descending carrier be reserved ACK/NAK resource in a plurality of up-link carriers, make terminal equipment can in a plurality of ACK/NAK resources, determine an ACK/NAK channel, for transferring ACK/NAK message, guaranteed the normal realization of communication service.
Through the above description of the embodiments, those skilled in the art can be well understood to the embodiment of the present invention and can realize by hardware, and the mode that also can add necessary general hardware platform by software realizes.Understanding based on such, 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 with so that computer equipment (can be personal computer, server, or the network equipment etc.) carry out the embodiment of the present invention each implement the method described in scene.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram of 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 of implementing in scene can be distributed in the device of implementing scene according to implementing scene description, also can carry out respective change and be arranged in the one or more devices that are different from this enforcement scene.The module of above-mentioned enforcement scene can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number, just to describing, does not represent the quality of implementing scene.
Disclosed is above only the several concrete enforcement scene of the embodiment of the present invention, and still, the embodiment of the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into the traffic limits scope of the embodiment of the present invention.
Claims (7)
1. a definite method for ACK/NAK resource, is characterized in that, comprising:
Terminal equipment identification receives the corresponding ACK/NAK channel resource of each descending carrier of information;
When the identification of described terminal equipment receive information a descending carrier correspondence during many ACK/NAK channel resources; described terminal equipment, according to the ACK/NAK resource selection rule under default many ACK/NAK channel scene, selects corresponding ACK/NAK channel to send ACK/NAK message;
Wherein, ACK/NAK resource selection rule under described default many ACK/NAK channel scene, comprise: if described terminal equipment receives the corresponding main uplink carrier information of each descending carrier that base station sends, and corresponding many ACK/NAK channel resources of a descending carrier that the identification of described terminal equipment receives information are respectively when corresponding main up-link carrier and time up-link carrier, and described terminal equipment selects the ACK/NAK channel on main up-link carrier to carry out the transmission of ACK/NAK message;
If described terminal equipment receives the corresponding main uplink carrier information of each descending carrier that described base station sends, and corresponding many available ACK/NAK channel resources of a descending carrier that the identification of described terminal equipment receives information are all when corresponding inferior up-link carrier, the ACK/NAK channel on the minimum or the highest inferior up-link carrier of described terminal equipment selection carrier frequency carries out the transmission of ACK/NAK message.
2. the method for claim 1, is characterized in that, described terminal equipment identification also comprises before receiving the corresponding ACK/NAK channel resource of each descending carrier of information:
ACK/NAK resource selection rule under many ACK/NAK channel scene is set in described terminal equipment.
3. a terminal equipment, is characterized in that, comprising:
Module is set, for the ACK/NAK resource selection rule under many ACK/NAK channel scene is set at described terminal equipment;
Identification module, for identifying the corresponding ACK/NAK channel resource of each descending carrier of the information of receiving;
Select module, for when described identification module, identify the information that receives a descending carrier correspondence during many ACK/NAK channel resources, according to the described ACK/NAK resource selection rule arranging under the set many ACK/NAK channel scene of module, select corresponding ACK/NAK channel to send ACK/NAK message;
Receiver module, the corresponding main uplink carrier information of each descending carrier sending for receiving base station;
The described ACK/NAK resource selection rule arranging under the set many ACK/NAK channel scene of module, also comprises:
If described receiver module receives the corresponding main uplink carrier information of each descending carrier that described base station sends, and corresponding many ACK/NAK channel resources of a descending carrier that the identification of described identification module receives information when corresponding main up-link carrier and time up-link carrier, select the ACK/NAK channel on main up-link carrier to carry out the transmission of ACK/NAK message respectively;
If described receiver module receives the corresponding main uplink carrier information of each descending carrier that described base station sends, and corresponding many ACK/NAK channel resources of a descending carrier that the identification of described identification module receives information are all when corresponding inferior up-link carrier, the ACK/NAK channel on the minimum or the highest inferior up-link carrier of selection carrier frequency carries out the transmission of ACK/NAK message.
4. a definite method for ACK/NAK resource, is characterized in that, comprising:
Terminal equipment receives the Indication message that base station sends, and obtains corresponding ACK/NAK resource selection rule under many ACK/NAK channel scene of wherein carrying;
When the identification of described terminal equipment receive information a descending carrier correspondence during many ACK/NAK channel resources, described terminal equipment, according to the ACK/NAK resource selection rule under the many ACK/NAK channel scene getting, selects corresponding ACK/NAK channel to send ACK/NAK message; Wherein, the ACK/NAK resource selection rule under described many ACK/NAK channel scene, also comprises:
If described terminal equipment receives the corresponding main uplink carrier information of each descending carrier that described base station sends, and corresponding many ACK/NAK channel resources of a descending carrier that the identification of described terminal equipment receives information are respectively when corresponding main up-link carrier and time up-link carrier, and described terminal equipment selects the ACK/NAK channel on main up-link carrier to carry out the transmission of ACK/NAK message;
If described terminal equipment receives the corresponding main uplink carrier information of each descending carrier that described base station sends, and corresponding many ACK/NAK channel resources of a descending carrier that the identification of described terminal equipment receives information are all when corresponding inferior up-link carrier, the ACK/NAK channel on the minimum or the highest inferior up-link carrier of described terminal equipment selection carrier frequency carries out the transmission of ACK/NAK message;
Wherein, the corresponding main uplink carrier information of each descending carrier that described base station sends is carried in described Indication message, or is carried at described base station in other message of described terminal equipment transmission.
5. a terminal equipment, is characterized in that, comprising:
Receiver module, the Indication message sending for receiving base station;
Acquisition module, for obtaining corresponding ACK/NAK resource selection rule under many ACK/NAK channel scene that the received Indication message of described receiver module carries;
Identification module, for identifying the corresponding ACK/NAK channel resource of each descending carrier of the information of receiving;
Select module, for when described identification module, identify the information that receives a descending carrier correspondence during many ACK/NAK channel resources, ACK/NAK resource selection rule under many ACK/NAK channel scene of obtaining according to described acquisition module, selects corresponding ACK/NAK channel to send ACK/NAK message;
Wherein, described receiver module, the corresponding main uplink carrier information of each descending carrier also sending for receiving base station, the corresponding main uplink carrier information of described each descending carrier is carried in described Indication message, or is carried at described base station in other message of described terminal equipment transmission;
ACK/NAK resource selection rule under many ACK/NAK channel scene that described acquisition module obtains, also comprises:
If described receiver module receives the corresponding main uplink carrier information of each descending carrier that described base station sends, and corresponding many ACK/NAK channel resources of a descending carrier that the identification of described identification module receives information when corresponding main up-link carrier and time up-link carrier, select the ACK/NAK channel on main up-link carrier to carry out the transmission of ACK/NAK message respectively;
If described receiver module receives the corresponding main uplink carrier information of each descending carrier that described base station sends, and corresponding available many ACK/NAK channel resources of a descending carrier that the identification of described identification module receives information are all when corresponding inferior up-link carrier, the ACK/NAK channel on the minimum or the highest inferior up-link carrier of selection carrier frequency carries out the transmission of ACK/NAK message.
6. a base station, is characterized in that, comprising:
Configuration module, for configuring corresponding ACK/NAK resource selection rule under many ACK/NAK channel scene;
Sending module, for sending corresponding ACK/NAK resource selection rule under many ACK/NAK channel scene that described configuration module configures to terminal equipment; Wherein, ACK/NAK resource selection rule under described default many ACK/NAK channel scene, comprise: if described terminal equipment receives the corresponding main uplink carrier information of each descending carrier that base station sends, and corresponding many ACK/NAK channel resources of a descending carrier that the identification of described terminal equipment receives information are respectively when corresponding main up-link carrier and time up-link carrier, and described terminal equipment selects the ACK/NAK channel on main up-link carrier to carry out the transmission of ACK/NAK message;
If described terminal equipment receives the corresponding main uplink carrier information of each descending carrier that described base station sends, and corresponding many available ACK/NAK channel resources of a descending carrier that the identification of described terminal equipment receives information are all when corresponding inferior up-link carrier, the ACK/NAK channel on the minimum or the highest inferior up-link carrier of described terminal equipment selection carrier frequency carries out the transmission of ACK/NAK message.
7. base station as claimed in claim 6, is characterized in that,
Described configuration module, is also used to each descending carrier that corresponding main up-link carrier and time up-link carrier are set;
Described sending module, the corresponding main uplink carrier information of each descending carrier also configuring for send described configuration module to terminal equipment.
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| CN103490864B (en) * | 2012-06-11 | 2017-05-03 | 电信科学技术研究院 | Transmission method for HARQ-ACK message and control method and device thereof |
| CN113194544B (en) * | 2018-05-10 | 2023-10-31 | 北京三星通信技术研究有限公司 | Method and equipment for transmitting uplink control information |
| CN110475359A (en) | 2018-05-10 | 2019-11-19 | 北京三星通信技术研究有限公司 | The method and apparatus of transmitting uplink control information |
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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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Effective date of registration: 20210603 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |