Enhancement on scheduling and HARQ-ACK feedback for URLLC, multiplexing scheme for control/data channel and DM-RS for NR, and activation mechanism, scheduling aspects, and synchronization signal (SS) blocks for new radio (NR) system with multiple bandwidth parts (BWPS)
An apparatus, method, system and machine-readable medium. The apparatus may be an apparatus of a New Radio (NR) gNodeB or of a NR User Equipment (UE), and may include a memory and processing circuitry. The processing circuitry for the apparatus of the gNodeB is to: configure a plurality of bandwidth parts (BWPs) associated with respective numerologies; determine a physical downlink control channel (PDCCH) including downlink control information (DCI), the DCI including information on scheduled resources including BWP index for a data transmission to or from a User Equipment (UE), the data transmission to occupy one of the plurality of BWPs or multiple ones of the plurality of BWPs; encode the PDCCH for transmission; and process the data transmission based on the DCI. The apparatus of the NR UE is to: process a physical downlink control channel (PDCCH) from a NR gNodeB, the PDCCH including downlink control information (DCI) indicating scheduled resources for a data transmission to or from the UE, the data transmission to occupy one or multiple ones of a plurality of BWPs configured by the gNodeB; and process the data transmission based on the DCI.
1. A user equipment (UE), comprising:
a memory;
a transceiver; and
a processor coupled to the memory and the transceiver, wherein the processor is configured to execute instructions stored in the memory to cause the UE to:
receive, via the transceiver, bandwidth part (BWP) configuration information from a base station to configure a plurality of BWPs with different respective numerologies;
receive, via the transceiver, control information from the base station indicating a first BWP of the plurality of BWPs to be used for monitoring a physical downlink control channel (PDCCH);
receive, via the transceiver, a BWP switching command from the base station including a dynamic indication to switch from monitoring the first BWP to monitoring a second BWP;
stop monitoring the first BWP and begin monitoring the second BWP, in response to the BWP switching command;
receive, via the transceiver, a PDCCH transmission from the base station on the second BWP indicating scheduling information for a data transmission on a third BWP of the plurality of BWPs; and
receive, via the transceiver, the data transmission from the base station on the third BWP, wherein the second BWP and the third BWP have different numerologies.
2. The UE of claim 1 , wherein the processor further causes the UE to:
receive, via the transceiver, a second PDCCH transmission from the base station on the second BWP indicating scheduling information for a data transmission on a fourth BWP of the plurality of BWPs; and
receive, via the transceiver, the data transmission from the base station on the fourth BWP.
3. The UE of claim 1 , wherein the control information indicates a plurality of BWPs to be used for monitoring the PDCCH in a time division multiplexing (TDM) pattern, wherein the plurality of BWPs includes the second BWP.
4. The UE of claim 3 , wherein the control information further indicates a plurality of periodicities and a plurality of time offsets corresponding to the plurality of BWPs respectively.
5. The UE of claim 3 , wherein the indication of the plurality of BWPs includes a plurality of BWP indexes.
6. The UE of claim 1 , wherein the PDCCH transmission includes a BWP index of the third BWP.
7. The UE of claim 1 , wherein the processor further causes the UE to:
transmit, via the transceiver, UE capability information indicating a number of BWPs with different numerologies supported by the UE;
wherein BWP configuration information is based on the UE capability information.
8. The UE of claim 1 , wherein the processor further causes the UE to:
in response to not receiving scheduling in the second BWP for a time period, stop monitoring the second BWP and return to monitoring the first BWP.
9. The UE of claim 1 , wherein the processor further causes the UE to:
in response to not receiving scheduling in the second BWP for a time period, periodically switching between the second BWP and the first BWP to monitor the first BWP according to a configured periodicity.
10. A baseband processor of a user equipment (UE), comprising:
a memory; and
a processor coupled to the memory, wherein the processor is configured to execute instructions stored in the memory to cause the UE to:
receive bandwidth part (BWP) configuration information from a base station to configure a plurality of BWPs with different respective numerologies;
receive control information from the base station indicating a first BWP of the plurality of BWPs to be used for monitoring a physical downlink control channel (PDCCH);
receive a BWP switching command from the base station including a dynamic indication to switch from monitoring the first BWP to monitoring a second BWP;
stop monitoring the first BWP and begin monitoring the second BWP in response to the BWP switching command;
receive a PDCCH transmission from the base station on the second BWP indicating scheduling information for a data transmission on a third BWP of the plurality of BWPs; and
receive the data transmission from the base station on the third BWP, wherein the second BWP and the third BWP have different numerologies.
11. The baseband processor of claim 10 , wherein the processor further causes the UE to:
receive a second PDCCH transmission from the base station on the second BWP indicating scheduling information for a data transmission on a fourth BWP of the plurality of BWPs; and
receive the data transmission from the base station on the fourth BWP.
12. The baseband processor of claim 10 , wherein the control information indicates a plurality of BWPs to be used for monitoring the PDCCH in a time division multiplexing (TDM) pattern, wherein the plurality of BWPs includes the second BWP.
13. The baseband processor of claim 12 , wherein the control information further indicates a plurality of periodicities and a plurality of time offsets corresponding to the plurality of BWPs respectively.
14. The baseband processor of claim 12 , wherein the indication of the plurality of BWPs includes a plurality of BWP indexes.
15. The baseband processor of claim 10 , wherein the PDCCH transmission includes a BWP index of the third BWP.
16. A method to be performed by a user equipment (UE), comprising:
receiving bandwidth part (BWP) configuration information from a base station to configure a plurality of BWPs with different respective numerologies;
receiving control information from the base station indicating a first BWP of the plurality of BWPs to be used for monitoring a physical downlink control channel (PDCCH);
receiving a BWP switching command from the base station including a dynamic indication to switch from monitoring the first BWP to monitoring a second BWP;
stopping monitoring of the first BWP and beginning monitoring of the second BWP in response to the BWP switching command;
receiving a PDCCH transmission from the base station on the second BWP indicating scheduling information for a data transmission on a third BWP of the plurality of BWPs; and
receiving the data transmission from the base station on the third BWP, wherein the second BWP and the third BWP have different numerologies.
17. The method of claim 16 , further comprising:
receiving a second PDCCH transmission from the base station on the second BWP indicating scheduling information for a data transmission on a fourth BWP of the plurality of BWPs; and
receiving the data transmission from the base station on the fourth BWP.
18. The method of claim 16 , wherein the control information indicates a plurality of BWPs to be used for monitoring the PDCCH in a time division multiplexing (TDM) pattern, wherein the plurality of BWPs includes the second BWP.
19. The method of claim 18 , wherein the control information further indicates a plurality of periodicities and a plurality of time offsets corresponding to the plurality of BWPs respectively.
20. The method of claim 16 , wherein the PDCCH transmission includes a BWP index of the third BWP.