Scheduling and hybrid automatic repeat request operation for carrier aggregation with mixed numerologies
An apparatus of a base station, system and method. The apparatus includes a memory and processing circuitry configured to: determine a physical downlink control channel (PDCCH) on a first component carrier; encode a first signal to be transmitted on the PDCCH, the first signal including downlink control information (DCI) on resources for a second signal to be transmitted on a second component carrier, wherein the DCI is based on a predetermined numerology, and wherein respective numerologies of the first component carrier and the second component carrier are different from one another. The processing circuitry is further to cause transmission of the first signal on the PDCCH, wherein a receiver of the second signal is to process the second signal based on the control information in the first signal.
1. An apparatus of a New Radio (NR) User Equipment, the apparatus including a radio frequency (RF) circuitry interface, and processing circuitry coupled to the RF interface and configured to:
decode control information from a New Radio (NR) evolved Node B (gNode B), the control information including Hybrid automatic repeat request-acknowledge feedback (HARQ-ACK) codebook information for a HARQ-ACK signal in a physical uplink control channel (PUCCH) from the UE to the gNode B;
decode physical downlink shared channel (PDSCH) transmissions from the gNode B; and
encode the HARQ-ACK signal for transmission to the gNode B based on the control information and based on the PDSCH;
wherein the HARQ-ACK codebook information includes information on a size of a HARQ-ACK aggregation window for the HARQ-ACK signal; and
wherein the control information is in at least one of a downlink control information (DCI) or radio resource control (RRC) signaling, the processing circuitry to configure the size of the HARQ-ACK aggregation window based on at least one of a decoding of the DCI, or the radio resource control (RRC) signaling.
2. The apparatus of claim 1 , wherein the HARQ-ACK codebook information is based on one of a dynamic HARQ-ACK codebook and a semi-static HARQ-ACK codebook.
3. The apparatus of claim 2 , wherein:
the HARQ-ACK codebook information is based on the dynamic HARQ-ACK codebook;
the control information is in the DCI, and includes information on a downlink assignment index (DAI) and on a total downlink assignment index (T-DAI);
the DAI and the T-DAI have respective values increasing in a frequency-first time-second manner and corresponding to the PDSCH transmissions.
4. The apparatus of claim 1 , the processing circuitry to decode a physical downlink control channel (PDCCH) including the control information, the control information including information on a timing delay between the PDCCH and the PDSCH, or a timing delay between the PDCCH and a PUSCH to be sent by the UE to the gNode B and corresponding to the control information.
5. The apparatus of claim 4 , wherein the timing delay is based on a smallest subcarrier spacing as between two respective component carriers (CCs) for the PDCCH on one hand, and one of the PDSCH or PUSCH on another hand.
6. The apparatus of claim 1 , further comprising a front-end module coupled to the processing circuitry.
7. The apparatus of claim 6 , further comprising at least one antenna coupled to the front-end module.
8. A product comprising one or more tangible computer-readable non-transitory storage media comprising computer-executable instructions operable to, when executed by at least one computer processor of a New Radio (NR) evolved Node B (gNode B), enable the at least one computer processor to perform operations including:
encode control information for transmission to a NR User Equipment (UE), the control information including Hybrid automatic repeat request-acknowledge feedback (HARQ-ACK) codebook information for a HARQ-ACK signal in a physical uplink control channel (PUCCH) from the UE to the gNode B;
encode physical downlink shared channel (PDSCH) transmissions to the UE based on the control information; and
decode the HARQ-ACK signal from the UE;
wherein the HARQ-ACK codebook information includes information on a size of a HARQ-ACK aggregation window for the HARQ-ACK signal; and
wherein the control information is in at least one of a downlink control information (DCI) or radio resource control (RRC) signaling, the control information to be decodable by the UE for the UE to determine the size of the HARQ-ACK aggregation window based on at least one of a decoding of the DCI, or the radio resource control (RRC) signaling.
9. The product of claim 8 , wherein the HARQ-ACK codebook information is based on one of a dynamic HARQ-ACK codebook and a semi-static HARQ-ACK codebook.
10. The product of claim 9 , wherein:
the HARQ-ACK codebook information is based on the dynamic HARQ-ACK codebook;
the control information is in the DCI, and includes information on a downlink assignment index (DAI) and on a total downlink assignment index (T-DAI); and
the DAI and the T-DAI have respective values increasing in a frequency-first time-second manner and corresponding to the PDSCH transmissions.
11. The product of claim 8 , the operations further including encoding a physical downlink control channel (PDCCH) including the control information, the control information including information on a timing delay between the PDCCH and the PDSCH, or a timing delay between the PDCCH and a PUSCH to be sent by the UE to the gNode B and corresponding to the control information.
12. The product of claim 11 , wherein the timing delay is based on a smallest subcarrier spacing as between two respective component carriers (CCs) for the PDCCH on one hand, and one of the PDSCH or PUSCH on another hand.
13. A system including:
means for decoding control information from a New Radio (NR) evolved Node B (gNode B), the control information including Hybrid automatic repeat request-acknowledge feedback (HARQ-ACK) codebook information for a HARQ-ACK signal in a physical uplink control channel (PUCCH) from the UE to the gNode B;
means for decoding physical downlink shared channel (PDSCH) transmissions from the gNode B; and
means for encoding the HARQ-ACK signal for transmission to the gNode B based on the control information and based on the PDSCH;
wherein the HARQ-ACK codebook information includes information on a size of a HARQ-ACK aggregation window for the HARQ-ACK signal;
wherein the control information is in at least one of a downlink control information (DCI) or radio resource control (RRC) signaling;
wherein the apparatus further includes means for configuring the size of the HARQ-ACK aggregation window based on at least one of a decoding of the DCI, or the radio resource control (RRC) signaling.
14. The system of claim 13 , wherein the HARQ-ACK codebook information is based on one of a dynamic HARQ-ACK codebook and a semi-static HARQ-ACK codebook.
15. The system of claim 14 , wherein:
the HARQ-ACK codebook information is based on the dynamic HARQ-ACK codebook;
the control information is in the DCI, and includes information on a downlink assignment index (DAI) and on a total downlink assignment index (T-DAI);
the DAI and the T-DAI have respective values increasing in a frequency-first time-second manner and corresponding to the PDSCH transmissions.
16. The system of claim 13 , further including means for decoding a physical downlink control channel (PDCCH) including the control information, the control information including information on a timing delay between the PDCCH and the PDSCH, or a timing delay between the PDCCH and a PUSCH to be sent by the UE to the gNode B and corresponding to the control information.
17. The system of claim 16 , wherein the timing delay is based on a smallest subcarrier spacing as between two respective component carriers (CCs) for the PDCCH on one hand, and one of the PDSCH or PUSCH on another hand.
18. An apparatus of a New Radio (NR) evolved Node B (gNode B), the apparatus including a radio frequency (RF) circuitry interface, and processing circuitry coupled to the RF interface and configured to:
encode control information for transmission to a NR User Equipment (UE), the control information including Hybrid automatic repeat request-acknowledge feedback (HARQ-ACK) codebook information for a HARQ-ACK signal in a physical uplink control channel (PUCCH) from the UE to the gNode B;
encode physical downlink shared channel (PDSCH) transmissions to the UE based on the control information; and
decode the HARQ-ACK signal from the UE;
wherein the HARQ-ACK codebook information includes information on a size of a HARQ-ACK aggregation window for the HARQ-ACK signal; and
wherein the control information is in at least one of a downlink control information (DCI) or radio resource control (RRC) signaling, the control information to be decodable by the UE for the UE to determine the size of the HARQ-ACK aggregation window based on at least one of a decoding of the DCI, or the radio resource control (RRC) signaling.
19. The apparatus of claim 18 , wherein the HARQ-ACK codebook information is based on one of a dynamic HARQ-ACK codebook and a semi-static HARQ-ACK codebook.
20. The apparatus of claim 19 , wherein:
the HARQ-ACK codebook information is based on the dynamic HARQ-ACK codebook;
the control information is in the DCI, and includes information on a downlink assignment index (DAI) and on a total downlink assignment index (T-DAI); and
the DAI and the T-DAI have respective values increasing in a frequency-first time-second manner and corresponding to the PDSCH transmissions.
21. The apparatus of claim 18 , the processing circuitry to decode a physical downlink control channel (PDCCH) including the control information, the control information including information on a timing delay between the PDCCH and the PDSCH, or a timing delay between the PDCCH and a PUSCH to be sent by the UE to the gNode B and corresponding to the control information.
22. The apparatus of claim 18 , further comprising a front-end module coupled to the processing circuitry.
23. The apparatus of claim 22 , further comprising at least one antenna coupled to the front-end module.