INFORMATION FEEDBACK METHOD AND APPARATUS
Embodiments of this disclosure provide an information feedback method and information reception method and apparatuses thereof. The information feedback method includes: receiving, by the terminal equipment, at least one downlink control information (DCI) used for scheduling a physical downlink shared channel (PDSCH), the DCI scheduling one or a plurality of PDSCHs, wherein the one or the plurality of PDSCHs include at least one PDSCH with a corresponding HARQ process that is feedback enabled or feedback disabled; and transmitting HARQ feedback information for the one or the plurality of PDSCHs by the terminal equipment.
1 . An information feedback apparatus, applicable to a terminal equipment, characterized in that the apparatus comprises:
a receiver configured to receive at least one downlink control information (DCI) used for scheduling a physical downlink shared channel (PDSCH), the at least one DCI scheduling one or a plurality of PDSCHs; and
a transmitter configured to transmit HARQ-ACK information for at least one PDSCH corresponding to a HARQ process with enabled HARQ feedback in the one or the plurality of PDSCHs.
2 . The apparatus according to claim 1 , wherein a DCI in the at least one DCI schedules one PDSCH or a plurality of PDSCHs.
3 . The apparatus according to claim 1 , wherein the HARQ-ACK information for the at least one PDSCH is related to a decoding outcome for transport block(s) of the at least one PDSCH.
4 . The apparatus according to claim 1 , wherein
the receiver is further configured to receive an indication information used for indicating HARQ feedback enabling and/or disabling in RRC signaling and/or DCI.
5 . The apparatus according to claim 4 , wherein the indication information in RRC signaling includes a bitmap, a bit in the bitmap corresponding to a HARQ process (ID) and bit(s) set to one identifying HARQ process(es) with disabled HARQ feedback and bit(s) set to zero identifying HARQ process(es) with enabled HARQ feedback.
6 . The apparatus according to claim 5 , wherein HARQ processes corresponding to the bitmap includes all configured HARQ processes of a cell.
7 . The apparatus according to claim 4 , further comprising
a processor configured to determine HARQ feedback enabling and/or disabling for PDSCH(s) scheduled by a DCI according to the indication information in RRC signaling and the indication information in the DCI.
8 . The apparatus according to claim 1 , wherein the HARQ-ACK information for the at least one PDSCH are multiplexed in a Type-1 HARQ-ACK codebook and the transmitter reports a NACK value for a HARQ-ACK information bit corresponding to a transport block of a PDSCH corresponding to a HARQ process with disabled HARQ feedback in the Type-1 HARQ-ACK codebook.
9 . The apparatus according to claim 8 , wherein, the PDSCH corresponding to a HARQ process with disabled HARQ feedback includes a PDSCH scheduled by a DCI or a SPS PDSCH.
10 . The apparatus according to claim 1 , wherein the HARQ-ACK information for the at least one PDSCH are multiplexed in a Type-2 HARQ-ACK codebook determined according to counter DAI and/or total DAI in a DCI.
11 . The apparatus according to claim 10 , wherein the DCI which carries the counter DAI and/or the total DAI schedules a PDSCH corresponding to a HARQ process with enabled HARQ feedback and/or a PDSCH corresponding to a HARQ process with disabled HARQ feedback, or schedules a PUSCH, or does not schedule PDSCH or PUSCH.
12 . The apparatus according to claim 10 , wherein the counter DAI and/or the total DAI do/does not count DCI scheduling PDSCH(s) only containing PDSCH(s) corresponding to HARQ process(es) with disabled HARQ feedback, or do/does not count PDSCH(s) corresponding to a HARQ process with disabled HARQ feedback.
13 . The apparatus according to claim 1 , wherein the transmitter does not provide an HARQ-ACK codebook when only PDSCH(s) associated with HARQ processes with disabled HARQ feedback is/are scheduled.
14 . An information reception apparatus, applicable to a network device, characterized in that the apparatus includes:
a transmitter configured to transmit at least one downlink control information (DCI) used for scheduling physical downlink shared channel (PDSCH), the at least one DCI scheduling one or a plurality of PDSCHs; and
a receiver configured to receive HARQ-ACK information for at least one PDSCH corresponding to a HARQ process with enabled HARQ feedback in the one or the plurality of PDSCHs.
15 . The apparatus according to claim 14 , wherein the HARQ-ACK information for the at least one PDSCH is related to a decoding outcome for transport block(s) of the at least one PDSCH.
16 . The apparatus according to claim 14 , wherein
the transmitter is further configured to transmit an indication information used for indicating HARQ feedback enabling and/or disabling in RRC signaling and/or DCI.
17 . The apparatus according to claim 16 , wherein the indication information in RRC signaling includes a bitmap, a bit in the bitmap corresponding to a HARQ process (ID) and bit(s) set to one identifying HARQ process(es) with disabled HARQ feedback and bit(s) set to zero identifying HARQ process(es) with enabled HARQ feedback.
18 . The apparatus according to claim 16 , wherein HARQ feedback enabling and/or disabling for PDSCH(s) scheduled by a DCI being determined by the indication information in RRC signaling and the indication information in the DCI.
19 . The apparatus according to claim 17 , wherein HARQ processes corresponding to the bitmap includes all configured HARQ processes of a cell.
20 . A communication system comprising:
a network device configured to transmit at least one downlink control information (DCI) used for scheduling physical downlink shared channel (PDSCH) transmitted by the network device, the at least one DCI scheduling one or a plurality of PDSCHs;
a terminal equipment configured to:
receive the at least one DCI, and
transmit HARQ-ACK information for at least one PDSCH corresponding to a HARQ process with enabled HARQ feedback in the one or the plurality of PDSCHs to the network device.