Detailed Description
The embodiment of the invention discloses a method and a device for transmitting and controlling a HARQ-ACK message, which are used for more flexibly realizing the transmission of the HARQ-ACK message of UE in different scenes.
In the embodiment of the invention, the base station flexibly schedules the UE to carry out orthogonalization or interference randomized transmission with different UEs in different multiplexing scenes by the combined configuration of the HARQ-ACK resources and the HARQ-ACK transmission sequence ID. From the perspective of the whole system, the technical scheme provided by the embodiment of the invention comprises the following steps:
the method comprises the following steps: the base station informs the UE of one or more candidate parameter configuration groups for HARQ-ACK message transmission through high-level signaling;
wherein the parameter configuration group at least comprises PUCCH resource indication used for HARQ-ACK transmission and sequence ID used for generating HARQ-ACK transmission sequence;
if the transport format of the HARQ-ACK supports PUCCH transmission for multiple antenna ports, there may be a different configuration method for each parameter in the parameter configuration group:
the method comprises the following steps: the base station respectively configures the value of the parameter for PUCCH transmission of each antenna port;
the second method comprises the following steps: PUCCH transmission of all antenna ports adopts the same parameter value to obtain respective parameter configuration; for example, the PUCCH transmission of the first antenna port directly adopts the configuration, and the PUCCH transmission of the second antenna port is obtained by adopting the parameter value + 1.
The several parameter configuration groups may correspond to several multiplexing cases, for example, one of the parameter configuration groups may be used for intra-cell orthogonal HARQ-ACK transmission, another parameter configuration group may be used for inter-cell orthogonal HARQ-ACK transmission, and there may be other parameter configuration groups that may be used for intra-cell or inter-cell interference randomized transmission;
step two: the base station selects a parameter configuration group used by the UE from a plurality of parameter configuration groups according to the user scheduling condition of the cell or the joint cooperative scheduling result of a plurality of cells;
for example, if the base station schedules that the HARQ-ACK transmission of the current UE and the HARQ-ACK transmissions of other UEs in the cell are orthogonal multiplexing transmission, different HARQ-ACK resources and the same sequence ID may be selected as compared to other UEs in the cell; if the base station schedules the HARQ-ACK transmission of the current UE and the HARQ-ACK transmission of the UE of the adjacent cell to be orthogonal multiplexing transmission, HARQ-ACK resources different from the UE multiplexed by the adjacent cell can be selected, and the cell ID of the adjacent cell is used as a sequence ID; if the HARQ-ACK transmission of the current UE and the HARQ-ACK transmission of the UE in the cell are transmitted in an interference randomization mode, the HARQ-ACK resource and the sequence ID which are the same as the HARQ-ACK resource and different from the sequence ID of the UE multiplexed by the cell can be selected;
step three: the base station informs the UE of a parameter configuration group used for HARQ-ACK message transmission through downlink signaling, wherein the mapping relation between the used downlink signaling and the parameter configuration group is predetermined by the base station and the terminal.
The method for informing the UE of the parameter configuration group used for HARQ-ACK message transmission by the base station through the PDCCH signaling comprises the following three methods:
the method comprises the following steps: the base station informs the UE of a parameter configuration group for HARQ-ACK message transmission through an independent bit in Downlink Control Information (DCI);
the second method comprises the following steps: the base station reuses the current Downlink Assignment Index (DAI) indication bit to inform the UE of a parameter configuration group used for HARQ-ACK message transmission;
the third method comprises the following steps: the base station reuses the current Indication bit of Acknowledgement Resource Indication (ARI) to inform the UE of a parameter configuration group for HARQ-ACK message transmission;
step four: the UE obtaining one or more candidate parameter configuration groups for HARQ-ACK message transmission may specifically include:
the user equipment UE takes the configuration parameters of the serving cell as a candidate parameter configuration group; or,
user Equipment (UE) acquires a candidate parameter configuration group notified by a base station through a high-level signaling; or,
the user equipment UE obtains a parameter configuration group notified by the base station through a high-level signaling, and obtains other candidate parameter configuration groups according to a predetermined rule.
The parameter configuration group at least comprises PUCCH resource indication used for HARQ-ACK transmission and sequence ID used for generating a HAQR-ACK sequence;
if the HARQ-ACK transmission supports multiple antenna port transmissions, then for each parameter in each parameter configuration set,
the UE receives the values of the parameters respectively configured for the PUCCH transmission of each antenna port by the base station;
or, the PUCCHs of all the antenna ports adopt the same parameter value to obtain respective parameter configuration; for example, the PUCCH transmission of the first antenna port directly adopts the configuration, and the PUCCH transmission of the second antenna port is obtained by adopting the parameter value + 1.
Step five: and the UE receives a parameter configuration group used for carrying out HARQ-ACK message transmission and indicated by the base station through a downlink signaling, wherein the mapping relation between the used downlink signaling and the parameter configuration group is predetermined by the base station and the terminal.
The method for receiving the parameter configuration group for HARQ-ACK message transmission notified by the base station through the DCI signaling in the PDCCH by the UE comprises the following steps:
the method comprises the following steps: the UE receives a parameter configuration group used for transmitting the HARQ-ACK message and notified by the base station through an independent bit in downlink DCI;
the second method comprises the following steps: the UE receives the parameter configuration group used for informing the UE to carry out HARQ-ACK message transmission after the base station jointly encodes the indication information and the TPC command of the PUCCH;
the third method comprises the following steps: the UE receives a parameter configuration group used for transmitting the HARQ-ACK message and notified by the base station through the current ARI indication bit;
step six: the UE acquires information such as resources and sequence IDs used by HARQ-ACK transmission according to the HARQ-ACK parameter configuration in the parameter configuration group, generates a HARQ-ACK transmission sequence by using the sequence IDs to replace cell IDs, and transmits the HARQ-ACK on corresponding PUCCH resources;
if the PUCCH resource indication is the starting position of the PUCCH dynamic resource, the UE needs to obtain the used PUCCH resource by combining the starting position with the first CCE number used for DCI transmission.
Therefore, on the UE side, referring to fig. 1, a method for transmitting a HARQ-ACK message provided in an embodiment of the present invention includes the steps of:
s101, User Equipment (UE) acquires indication information of a parameter configuration group which is sent by a base station and used for transmitting HARQ-ACK messages; wherein the parameter configuration group includes: performing HARQ-ACK resource configuration used for HARQ-ACK message transmission and/or generating sequence Identification (ID) configuration used for a HARQ-ACK transmission sequence;
s102, the UE determines a parameter configuration group used for transmitting the HARQ-ACK message according to the indication information and determines HARQ-ACK transmission parameter configuration according to the parameter configuration group;
s103, the UE transmits the HARQ-ACK message according to the HARQ-ACK transmission parameter configuration.
Preferably, before the UE acquires the indication information of the parameter configuration group for HARQ-ACK message transmission sent by the base station, the method further includes:
the user equipment UE obtains one or more candidate parameter configuration groups for HARQ-ACK message transmission.
Preferably, the obtaining, by the UE, one or more candidate parameter configuration sets for HARQ-ACK message transmission includes:
the user equipment UE takes the configuration parameters of the serving cell as a candidate parameter configuration group; or,
user Equipment (UE) acquires a candidate parameter configuration group notified by a base station through a high-level signaling; or,
the user equipment UE obtains a parameter configuration group notified by the base station through a high-level signaling, and obtains other candidate parameter configuration groups according to a predetermined rule.
The obtaining of the other candidate parameter configuration groups according to the pre-agreed rule may be determining the other candidate parameter configuration groups by using the pre-agreed rule according to one parameter configuration group notified by the base station. For example, the HARQ-ACK resource allocation in the other candidate parameter configuration groups is obtained according to the HARQ-ACK resource + n obtained by the parameter configuration group notified by the base station, and the sequence ID in the other candidate parameter configuration groups is consistent with the sequence ID in the parameter configuration group notified by the base station.
Preferably, the obtaining, by the UE, the indication information of the parameter configuration group used for HARQ-ACK message transmission includes:
the UE acquires the indication information sent by the base station through independent bits in Downlink Control Information (DCI); or,
the UE acquires the indication information sent by the base station through the current Downlink Allocation Index (DAI) indication bit reused by the base station; or,
and the UE reuses the current ARI indication bit through the base station to acquire the indication information sent by the base station.
Preferably, the determining, by the UE, the parameter configuration group used for HARQ-ACK message transmission according to the indication information includes:
and the UE determines the parameter configuration group for carrying out the HARQ-ACK message transmission corresponding to the indication information according to the corresponding relation between the indication information prearranged by the base station and the parameter configuration group for carrying out the HARQ-ACK message transmission and the indication information of the parameter configuration group for carrying out the HARQ-ACK message transmission sent by the current base station.
Preferably, if the current transmission format of HARQ-ACK supports HARQ-ACK message transmission for multiple antenna ports, the parameter configuration group includes:
HARQ-ACK resource configuration used for transmitting HARQ-ACK information and corresponding to each antenna port respectively and/or sequence identification ID configuration used for generating HARQ-ACK transmission sequences and corresponding to each antenna port respectively.
Preferably, the determining, by the UE, HARQ-ACK transmission parameter configuration according to the parameter configuration group includes:
and the UE uses the HARQ-ACK transmission parameter configuration corresponding to the antenna port in the parameter configuration group as the HARQ-ACK transmission parameter configuration corresponding to the currently used antenna port.
Preferably, if the current transmission format of HARQ-ACK supports HARQ-ACK transmission for multiple antenna ports, the parameter configuration set includes:
the HARQ-ACK resource configuration used for transmitting the HARQ-ACK message corresponding to the first antenna port and/or the sequence identification ID configuration used for generating the HARQ-ACK transmission sequence corresponding to the first antenna port.
Preferably, the determining, by the UE, HARQ-ACK transmission parameter configuration according to the parameter configuration group includes:
the UE uses the HARQ-ACK transmission parameter configuration in the parameter configuration group as the HARQ-ACK transmission parameter configuration corresponding to all currently used antenna ports; or,
the UE uses the HARQ-ACK transmission parameter configuration in the parameter configuration group as the HARQ-ACK transmission parameter configuration corresponding to the currently used first antenna port; and the HARQ-ACK transmission parameter configuration corresponding to other antenna ports used currently is calculated by the HARQ-ACK transmission parameter configuration in the parameter configuration group.
Preferably, the UE performs transmission of the HARQ-ACK message according to the HARQ-ACK parameter configuration, including:
and the UE generates a HARQ-ACK transmission sequence by using the sequence ID instead of the cell ID and/or transmits the HARQ-ACK message on PUCCH resources used for transmitting the HARQ-ACK message.
Correspondingly, on the base station side, referring to fig. 2, a method for controlling transmission of a HARQ-ACK message according to an embodiment of the present invention includes:
s201, a base station determines a parameter configuration group used by UE (user equipment) for HARQ-ACK message transmission; wherein the parameter configuration group includes: performing HARQ-ACK resource configuration used for HARQ-ACK message transmission and/or generating sequence Identification (ID) configuration used for a HARQ-ACK transmission sequence;
s202, the base station informs the UE of the indication information of the parameter configuration group.
Preferably, the determining, by the base station, the parameter configuration group used by the UE for HARQ-ACK message transmission includes:
and the base station selects a parameter configuration group used by the UE for HARQ-ACK message transmission from a plurality of preset parameter configuration groups according to the user scheduling condition of the cell or the combined cooperative scheduling result of a plurality of cells.
Preferably, before the base station determines the parameter configuration group used by the UE for HARQ-ACK message transmission, the method further includes:
the base station informs the UE of one or more preset candidate parameter configuration groups for HARQ-ACK message transmission through high-level signaling.
Preferably, the base station notifies the UE of the indication information of the parameter configuration group, including:
the base station informs the indication information of the parameter configuration group to the UE through independent bits in Downlink Control Information (DCI); or,
the base station reuses the current Downlink Allocation Index (DAI) indicating bit and informs the UE of the indicating information of the parameter configuration group; or,
and the base station reuses the current ARI indication bit and informs the UE of the indication information of the parameter configuration group.
Preferably, the base station notifies the UE of the indication information of the parameter configuration group, including:
the base station determines the indication information corresponding to the parameter configuration group according to the corresponding relation between the indication information prearranged by the UE and the parameter configuration group used for carrying out the HARQ-ACK message transmission and the parameter configuration group determined by the current base station and used for carrying out the HARQ-ACK message transmission, and informs the UE of the indication information.
A description of several specific embodiments is given below.
Example 1:
the base station informs the UE of three candidate parameter configuration groups for HARQ-ACK transmission through high-layer signaling, wherein each candidate parameter configuration comprises PUCCH resource starting position indication used for PUCCH Format1a/1b transmission
And a sequence ID X used for generating the HARQ-ACK transmission sequence; the corresponding relationship between the candidate parameter configuration group and the resource configuration signaling indication is shown in the following table 2:
TABLE 2
The base station selects a parameter configuration group used by the UE from a plurality of parameter configuration groups, such as a 1 st group candidate parameter, according to the user scheduling condition of the cell or the joint cooperative scheduling result of a plurality of cells;
the base station sends 2-bit resource configuration indication signaling (01) in DCI to inform the UE of the used parameter configuration group, and the corresponding relation between the signaling and the parameter configuration group is shown in the table 2 above;
after receiving the candidate parameter configuration group and the resource configuration indication signaling notified by the base station, the UE obtains the used parameter configuration according to the signaling, and obtains the parameters used for HARQ-ACK transmission
And X. The UE generates a HARQ-ACK transmission sequence with X instead of the cell ID and based on
Obtaining used PUCCH resources, where n
CCEThe first CCE number used for the corresponding DCI transmission. If the current PUCCH format supports transmit diversity transmission, the PUCCH resource used for ACK transmission corresponding to the second antenna port is PUCCH resource
Example 2:
the base station informs the UE of a parameter configuration group (configuration group 1) of HARQ-ACK transmission through high-layer signaling, and the parameter configuration group comprises PUCCH resource starting position indication used for PUCCH Format1a/1b transmission
And a sequence ID X used for HARQ-ACK sequence generation; the UE obtains the parameters except the configuration parameters of the service cell based on the parameter configuration groupThe other candidate parameter configuration groups (configuration groups 2 and 3) except the parameter configuration group (configuration group 4) are obtained by the following method:
the HARQ-ACK resource configuration in the configuration group 2 is obtained by the HARQ-ACK resource configuration +1 in the configuration group 1, and the sequence ID in the configuration group 2 is the same as the ID in the configuration group 1;
the HARQ-ACK resource configuration in the configuration group 3 is obtained by the HARQ-ACK resource configuration +2 in the configuration group 1, and the sequence ID in the configuration group 3 is the same as the ID in the configuration group 1.
Thus, the mapping relationship between all candidate parameter configuration groups and the resource configuration signaling indication is shown in the following table 3:
TABLE 3
And the base station selects 00 as a parameter configuration group of the UE according to the scheduling requirement, but the parameter configuration group conflicts with the HARQ-ACK resources of the adjacent cells. Therefore, the base station selects 01 corresponding parameter configuration group;
the base station sends a 2-bit resource configuration indication signaling in the DCI to inform the UE of the used parameter configuration group, the mapping relation between the signaling and the parameter configuration group is shown in the table 3, and the indication content is 01;
after receiving the candidate parameter configuration group and the resource configuration indication signaling notified by the base station, the UE obtains the used parameter configuration according to the signaling, and obtains the parameters used for HARQ-ACK transmission
And X. The UE generates a HARQ-ACK transmission sequence with X instead of the cell ID and based on
Obtaining used PUCCH resources, where n
CCEThe first CCE number used for the corresponding DCI transmission. If the current PUCCH format supportsWhen the transmission diversity transmission is maintained, the PUCCH resource used for ACK transmission corresponding to the second antenna port is PUCCH resource
Example 3:
the base station informs the UE of the candidate parameter configuration groups of four HARQ-ACK transmissions through high-level signaling, wherein each candidate parameter configuration comprises PUCCH resource indication used for PUCCH Format 3 transmission
And a sequence ID X used for generating the HARQ-ACK transmission sequence; and, the base station configures PUCCH resources for HARQ-ACK transmission corresponding to two antenna ports, respectively, but they use the same sequence ID. The corresponding relationship between the candidate parameter configuration group and the resource configuration signaling indication is shown in the following table 4:
TABLE 4
The base station selects a parameter configuration group used by the UE for Format 3 transmission from a plurality of parameter configuration groups, such as a 2 nd group candidate parameter, according to the user scheduling condition of the cell or the joint cooperative scheduling result of a plurality of cells;
the base station reuses the current ARI signaling in downlink DCI to inform a parameter configuration group used by the UE, and the mapping relation between the signaling and the parameter configuration group is shown in the table 4; wherein, in FDD, the signaling comes from PUCCH TPC command in the secondary carrier scheduling DCI; in TDD, the signaling comes from a PUCCH TPC command in the DCI (scheduling control information) of the secondary carrier, or the PUCCH TPC command under the condition that DAI >1 in the main carrier;
after receiving the candidate parameter configuration group and the resource configuration indication signaling notified by the base station, the UE obtains the used parameter configuration according to the signaling to obtain the HARQ-ACFor K transmission
And X. The UE replaces the cell ID with X to generate the HARQ-ACK transmission sequence, and if ACK of single-port transmission is carried out, the HARQ-ACK transmission sequence is used
As PUCCH resource to be used, if ACK for multiport transmission is performed, it is used
The PUCCH resources used are fed back as two port ACKs.
Example 4:
the base station informs the UE of candidate parameter configuration groups of four HARQ-ACK transmissions through high-level signaling, wherein each candidate parameter configuration group comprises PUCCH resource indication used by the UE for Format 1b with channel selection transmission
And a sequence ID X used for generating the HARQ-ACK transmission sequence; and, the base station configures PUCCH resources for HARQ-ACK transmission corresponding to two antenna ports, respectively, but they use the same sequence ID. The mapping relationship between the candidate parameter configuration group and the resource configuration signaling indication is shown in table 5 below:
TABLE 5
The base station selects a parameter configuration group used by the UE for Format 1b transmission from a plurality of parameter configuration groups, such as a 4 th group of candidate parameters, according to the user scheduling condition of the cell or the joint cooperative scheduling result of a plurality of cells;
the base station reuses the current DAI signaling in downlink DCI to inform the parameter configuration group used by the UE, and the mapping relation between the signaling and the parameter configuration group is shown in the table 5;
after receiving the candidate parameter configuration group and the resource configuration indication signaling notified by the base station, the UE obtains the used parameter configuration according to the signaling, and obtains the parameters used for HARQ-ACK transmission
And X. The UE replaces the cell ID with X to generate the HARQ-ACK transmission sequence, and if ACK of single-port transmission is carried out, the HARQ-ACK transmission sequence is used
As PUCCH resource to be used, if ACK for multiport transmission is performed, it is used
The PUCCH resources used are fed back as two port ACKs.
Referring to fig. 3, on the UE side, an apparatus for transmitting a hybrid automatic repeat request acknowledgement HARQ-ACK message according to an embodiment of the present invention includes:
an indication information obtaining unit 11, configured to obtain indication information of a parameter configuration group sent by a base station and used for performing HARQ-ACK message transmission; wherein the parameter configuration group includes: performing HARQ-ACK resource configuration used for HARQ-ACK message transmission and/or generating sequence Identification (ID) configuration used for a HARQ-ACK transmission sequence;
a HARQ-ACK parameter configuration determining unit 12, configured to determine, according to the indication information, a parameter configuration group used for performing HARQ-ACK message transmission, and determine HARQ-ACK transmission parameter configuration according to the parameter configuration group;
and a transmission unit 13, configured to transmit the HARQ-ACK message according to the HARQ-ACK transmission parameter configuration.
Preferably, the apparatus further comprises:
a candidate parameter configuration group obtaining unit 14, configured to obtain one or more candidate parameter configuration groups for performing HARQ-ACK message transmission.
Preferably, the candidate parameter configuration group obtaining unit 14 is specifically configured to:
taking the configuration parameters of the serving cell as a candidate parameter configuration group; or,
acquiring a candidate parameter configuration group notified by a base station through a high-level signaling; or,
obtaining a parameter configuration group notified by the base station through a high-level signaling, and obtaining other candidate parameter configuration groups according to a predetermined rule.
Preferably, the indication information obtaining unit 11 is specifically configured to:
acquiring the indication information sent by the base station through independent bits in Downlink Control Information (DCI); or,
acquiring the indication information sent by the base station through the current Downlink Assignment Index (DAI) indication bit reused by the base station; or,
and reusing the current ARI indication bit through the base station to acquire the indication information sent by the base station.
Preferably, when the HARQ-ACK parameter configuration determining unit 12 determines the parameter configuration group used for HARQ-ACK message transmission according to the indication information, it is specifically configured to:
and determining the parameter configuration group for carrying out the HARQ-ACK message transmission corresponding to the indication information according to the corresponding relation between the indication information prearranged by the UE and the base station and the parameter configuration group for carrying out the HARQ-ACK message transmission and the indication information of the parameter configuration group for carrying out the HARQ-ACK message transmission sent by the current base station.
Preferably, the HARQ-ACK parameter configuration includes: HARQ-ACK resource configuration used for HARQ-ACK message transmission and/or sequence Identification (ID) configuration used for generating HARQ-ACK transmission sequence.
Preferably, if the current transmission format of HARQ-ACK supports HARQ-ACK message transmission for multiple antenna ports, the parameter configuration group includes:
HARQ-ACK resource configuration used for transmitting HARQ-ACK information and corresponding to each antenna port respectively and/or sequence identification ID configuration used for generating HARQ-ACK transmission sequences and corresponding to each antenna port respectively.
Preferably, when the HARQ-ACK parameter configuration determining unit 12 determines the HARQ-ACK transmission parameter configuration according to the parameter configuration group, it is specifically configured to:
and using the HARQ-ACK transmission parameter configuration corresponding to the antenna port in the parameter configuration group as the HARQ-ACK transmission parameter configuration corresponding to the currently used antenna port.
Preferably, if the current transmission format of HARQ-ACK supports HARQ-ACK transmission for multiple antenna ports, the parameter configuration set includes:
the HARQ-ACK resource configuration used for transmitting the HARQ-ACK message corresponding to the first antenna port and/or the sequence identification ID configuration used for generating the HARQ-ACK transmission sequence corresponding to the first antenna port.
Preferably, when the HARQ-ACK parameter configuration determining unit 12 determines the HARQ-ACK transmission parameter configuration according to the parameter configuration group, it is specifically configured to:
using HARQ-ACK transmission parameter configuration in the parameter configuration group as HARQ-ACK transmission parameter configuration corresponding to all currently used antenna ports; or,
using HARQ-ACK transmission parameter configuration in the parameter configuration group as HARQ-ACK transmission parameter configuration corresponding to the currently used first antenna port; and the HARQ-ACK transmission parameter configuration corresponding to other antenna ports used currently is calculated by the HARQ-ACK transmission parameter configuration in the parameter configuration group.
Preferably, the transmission unit 13 is specifically configured to:
and generating a HARQ-ACK transmission sequence by using the sequence ID instead of the cell ID, and/or transmitting the HARQ-ACK message on PUCCH resources used for transmitting the HARQ-ACK message.
Correspondingly, on the base station side, referring to fig. 4, an apparatus for controlling transmission of a HARQ-ACK message according to an embodiment of the present invention includes:
a parameter configuration group determining unit 21, configured to determine a parameter configuration group used by the UE to perform HARQ-ACK message transmission; wherein the parameter configuration group includes: performing HARQ-ACK resource configuration used for HARQ-ACK message transmission and/or generating sequence Identification (ID) configuration used for a HARQ-ACK transmission sequence;
an indication information sending unit 22, configured to notify the UE of the indication information of the parameter configuration group.
Preferably, the parameter configuration group determining unit 21 is specifically configured to:
and selecting a parameter configuration group used by the UE for carrying out HARQ-ACK message transmission from a plurality of preset parameter configuration groups according to the user scheduling condition of the cell or the combined cooperative scheduling result of a plurality of cells.
Preferably, the apparatus further comprises:
a candidate parameter configuration group notification unit 23, configured to notify the UE of one or more preset candidate parameter configuration groups for HARQ-ACK message transmission through a higher layer signaling.
Preferably, the indication information sending unit 22 is specifically configured to:
notifying the indication information of the parameter configuration group to the UE through an independent bit in Downlink Control Information (DCI); or,
reusing the current Downlink Assignment Index (DAI) indication bit and notifying the indication information of the parameter configuration group to the UE; or,
and reusing the current ARI indication bit and informing the UE of the indication information of the parameter configuration group.
Preferably, the indication information sending unit 22 is specifically configured to:
and determining the indication information corresponding to the parameter configuration group according to the corresponding relation between the indication information prearranged by the UE and the parameter configuration group used for transmitting the HARQ-ACK message and the parameter configuration group currently determined by the parameter configuration group determining unit and used for transmitting the HARQ-ACK message by the UE, and informing the indication information to the UE.
In summary, the embodiments of the present invention provide a HARQ-ACK transmission method, where a base station flexibly schedules a UE to perform orthogonalization or interference randomization transmission with different UEs in different multiplexing scenarios through joint configuration of HARQ-ACK resources and HARQ-ACK transmission sequence IDs. The embodiment of the invention can dynamically switch between different multiplexing states by flexibly configuring the PUCCH resources and the PUCCH sequences; the embodiment of the invention reuses the existing signaling as much as possible, and the extra signaling overhead is less; the PUCCH resource and sequence combined configuration in the embodiment of the invention not only meets the requirements of scenes, but also saves signaling overhead. The invention can be used for the transmission of the HARQ-ACK message corresponding to the Physical Downlink Shared Channel (PDSCH) scheduled by the PDCCH, and can also be used for the transmission of the HARQ-ACK message corresponding to the PDSCH scheduled by the ePDCCH.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.