Abstract
A method for an uplink transmission of a user equipment (UE) in a wireless communication system and the UE are provided. The method includes receiving, from a base station (BS), control signaling; grouping physical downlink shared channels (PDSCHs) based on the control signaling; determining a hybrid automatic repeat request acknowledgement/negative acknowledgement (HARQ-ACK/NACK) codebook for each grouping of the PDSCHs; and transmitting HARQ-ACK/NACK information corresponding to the HARQ-ACK/NACK codebook. The UE includes a transceiver configured to receive control signaling from a BS; and a processor configured to: group PDSCHs based on the control signaling; and determine an HARQ-ACK/NACK codebook for each group of PDSCHs, wherein the transceiver is further configured to transmit HARQ-ACK/NACK information corresponding to the HARQ-ACK/NACK codebook.
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US2019103943A1 | 5G | 28/11/2018 | ISLD-201811-015 | SAMSUNG | Yes | Basis Patent | ||||
US2019103943A1 | 5G | 08/05/2019 | ISLD-201905-014 | SAMSUNG |
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US2019103943A1 | 5G | 22/08/2019 | ISLD-201908-017 | SAMSUNG |
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WO2019066630A1 | 5G | 08/05/2019 | ISLD-201905-014 | SAMSUNG |
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WO2019066630A1 | 5G | 22/08/2019 | ISLD-201908-017 | SAMSUNG |
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Technologies
Product
Use Cases
Services
Claim
1. A method performed by a user equipment (UE) in a wireless communication system, the method comprising:
receiving, from a base station (BS), code block group (CBG) information via radio resource control (RRC) signaling;
identifying a first physical downlink shared channel (PDSCH) set or a second PDSCH set to which each of a plurality of PDSCHs belong, based on the CBG information;
determining a first hybrid automatic repeat request acknowledgement/negative acknowledgement (HARQ-ACK/NACK) codebook for the first PDSCH set and a second HARQ-ACK/NACK codebook for the second PDSCH set; and
transmitting HARQ-ACK/NACK information generated by connecting the first HARQ-ACK/NACK codebook and the second HARQ-ACK/NACK codebook.
2. The method of claim 1, further comprising:
determining an offset for the HARQ-ACK/NACK information based on a configured set for the offset corresponding to a number of bits included in the HARQ-ACK/NACK information.
3. The method of claim 1, wherein the HARQ-ACK/NACK information is generated by appending the second HARQ-ACK/NACK codebook to the first HARQ-ACK/NACK codebook.
4. The method of claim 1, wherein identifying the first PDSCH set or the second PDSCH set comprises:
identifying that a PDSCH of the plurality of PDSCHs belongs to the first PDSCH set, in a case that the PDSCH is scheduled on a carrier configured with transport block-based (TB-based) HARQ-ACK/NACK feedback or scheduled, by fallback downlink control information (DCI), on a carrier configured with CBG-based HARQ-ACK/NACK feedback; and
identifying that the PDSCH of the plurality of PDSCHs belongs to the second PDSCH set, in a case that the PDSCH is scheduled, by a non-fallback DCI, on the carrier configured with CBG-based HARQ-ACK/NACK feedback.
5. The method of claim 1, wherein determining the second HARQ-ACK/NACK codebook comprises:
determining a number of HARQ-ACK/NACK information bits for the second HARQ-ACK/NACK codebook based on a maximum value of values associated with CBGs of carriers configured with CBG-based HARQ-ACK/NACK feedback.
6. The method of claim 1, wherein, determining the first HARQ-ACK/NACK codebook comprises:
determining a number of HARQ-ACK/NACK information bits based on HARQ-ACK/NACK spatial bundling and a number of transport blocks (TBs) being received on at least one BWP of a carrier.
7. The method of claim 6, wherein, determining the first HARQ-ACK/NACK codebook comprises: in a case that HARQ-ACK/NACK spatial bundling is not applied and reception of two TBs is configured for the at least one BWP of the carrier, generating two HARQ-ACK/NACK information bits for a PDSCH on the carrier, and
in a case that a HARQ-ACK/NACK spatial bundling is applied and the reception of two TBs is configured for the at least one BWP of the carrier, generating one HARQ-ACK/NACK information bit for the PDSCH on the carrier.
8. A user equipment (UE), comprising:
a transceiver; and
a processor coupled with the transceiver and configured to:
control the transceiver to receive, from a base station (BS), code block group (CBG) information via radio resource control (RRC) signaling,
identify a first physical downlink shared channel (PDSCH) set or a second PDSCH set to which each of a plurality of PDSCHs belong, based on the CBG information;
determine a first hybrid automatic repeat request acknowledgement/negative acknowledgement (HARQ-ACK/NACK) codebook for the first PDSCH set and a second HARQ-ACK/NACK codebook for the second PDSCH set, and
control the transceiver to transmit HARQ-ACK/NACK information generated by connecting the first HARQ-ACK/NACK codebook and the second HARQ-ACK/NACK codebook.
9. The UE of claim 8, wherein the processor is further configured to:
determine an offset for the HARQ-ACK/NACK information based on a configured set for the offset corresponding to a number of bits included in the HARQ-ACK/NACK information.
10. The UE of claim 8, wherein the HARQ-ACK/NACK information is generated by appending the second HARQ-ACK/NACK codebook to the first HARQ-ACK/NACK codebook.
11. The UE of claim 8, wherein the processor is further configured to:
identify that a PDSCH of the plurality of PDSCHs belongs to the first PDSCH set, in case that the PDSCH is scheduled on a carrier configured with transport block-based (TB-based) HARQ-ACK/NACK feedback or scheduled, by a fallback downlink control information (DCI), on a carrier configured with CBG-based HARQ-ACK/NACK feedback, and
identify that a PDSCH of the plurality of PDSCHs belongs to the second PDSCH set, in case that the PDSCH is scheduled, by a non-fallback DCI, on the carrier configured with CBG-based HARQ-ACK/NACK feedback.
12. The UE of claim 8, wherein the processor is further configured to:
determine a number of HARQ-ACK/NACK information bits for the second HARQ-ACK/NACK codebook based on a maximum value of values associated with CBGs of carriers configured with CBG-based HARQ-ACK/NACK feedback.
13. The UE of claim 8, wherein the processor is further configured to determine a number of HARQ-ACK/NACK information bits based on HARQ-ACK/NACK spatial bundling and a number of transport blocks (TBs) being received on at least one BWP of a carrier.
14. The UE of claim 13, wherein the processor is further configured to:
in a case that HARQ-ACK/NACK spatial bundling is not applied and reception of two TBs is configured for the at least one BWP of the carrier, generate two HARQ-ACK/NACK information bits for a PDSCH on the carrier, and
in a case that HARQ-ACK/NACK spatial bundling is applied and the reception of two TBs is configured for the at least one BWP of the carrier, generate one HARQ-ACK/NACK information bit for the PDSCH on the carrier.
15. A method performed by a base station (BS) in a wireless communication system, the method comprising:
transmitting code block group (CBG) information via radio resource control (RRC) signaling;
transmitting, to a user equipment (UE), a plurality of physical downlink shared control channels (PDSCHs); and
receiving hybrid automatic repeat request acknowledgement/negative acknowledgement (HARQ-ACK/NACK) information for the plurality of PDSCHs,
wherein a first PDSCH set or a second PDSCH set to which each of the plurality of PDSCHs belong, is identified based on the CBG information,
wherein a first HARQ-ACK/NACK codebook is determined for the first PDSCH set,
wherein a second HARQ-ACK/NACK codebook is determined for the second PDSCH set, and
wherein the HARQ-ACK/NACK information is generated by connecting the first HARQ-ACK/NACK codebook and the second HARQ-ACK/NACK codebook.
16. A base station (BS) comprising:
a transceiver; and
a processor coupled with the transceiver and configured to control the transceiver to:
transmit code block group (CBG) information via radio resource control (RRC) signaling;
transmit, to a user equipment (UE), a plurality of physical downlink shared control channels (PDSCHs); and
receive hybrid automatic repeat request acknowledgement/negative acknowledgement (HARQ-ACK/NACK) information for the plurality of PDSCHs,
wherein a first PDSCH set or a second PDSCH set to which each of the plurality of PDSCHs belong, is identified based on the CBG information,
wherein a first HARQ-ACK/NACK codebook is determined for the first PDSCH set,
wherein a second HARQ-ACK/NACK codebook is determined for the second PDSCH set, and
wherein the HARQ-ACK/NACK information is generated by connecting the first HARQ-ACK/NACK codebook and the second HARQ-ACK/NACK codebook.
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SUMMARY
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.