Control information processing
Techniques are described to select, by a user equipment, a monitoring mode for a control channel based on an information received by the user equipment. The UE may select the monitoring mode from a plurality of monitoring modes for one or more control channels. Furthermore, the UE monitors the control channel according to the monitoring mode.
1. A wireless communication method, comprising:
transmitting, by a user equipment to a base station, a feature list comprising a control channel monitoring mode supported by the user equipment, wherein the control channel monitoring mode supported by the user equipment comprises a first monitoring mode that skips control channel monitoring and a second monitoring mode that reduces a control channel monitoring frequency;
receiving, in response to the transmitting the feature list, information that indicates a monitoring mode for a control channel,
wherein the monitoring mode is the first monitoring mode that skips control channel monitoring or the second monitoring mode that reduces the control channel monitoring frequency,
wherein a first set of parameters of the first monitoring mode include a duration for skipping control channel monitoring, and
wherein a second set of parameters of the second monitoring mode include:
a control channel monitoring periodicity,
a starting position offset,
a monitoring duration in a periodicity, and
monitoring symbols of a slot in the monitoring duration; and
monitoring, by the user equipment, the control channel according to the monitoring mode.
2. The method of claim 1 , wherein the monitoring mode is one of the first monitoring mode that skips control channel monitoring and a third monitoring mode that does not support skipping control channel monitoring.
3. The method of claim 1 , wherein the monitoring mode is one of a third monitoring mode that reduces a control channel monitoring frequency with a first type of parameters and the second monitoring mode that reduces the control channel monitoring frequency with a second type of parameters.
4. The method of claim 3 ,
wherein a first set of parameters of the first monitoring mode include:
a first control channel monitoring periodicity Ks1, and
a first monitoring duration in a periodicity Ts1, and
wherein a second set of parameters of the second monitoring mode include:
a second control channel monitoring periodicity Ks2, and
a second monitoring duration in a periodicity Ts2.
5. The method of claim 4 ,
wherein Ts1/Ks1>Ts2/Ks2, or Ks1<Ks2, or Ts1>Ts2.
6. The method of claim 1 , wherein the information includes:
a radio resource control (RRC) layer control signaling, or
a downlink control information (DCI).
7. The method of claim 1 , wherein the control channel is a physical downlink control channel (PDCCH).
8. A user equipment for wireless communication comprising at least one processor, wherein the at least one processor is configured to cause the user equipment to:
transmit, by the user equipment to a base station, a feature list comprising a control channel monitoring mode supported by the user equipment, wherein the control channel monitoring mode supported by the user equipment comprises a first monitoring mode that skips control channel monitoring and a second monitoring mode that reduces a control channel monitoring frequency;
receive, in response to the transmit the feature list, information that indicates a monitoring mode for a control channel,
wherein the monitoring mode is the first monitoring mode that skips control channel monitoring or the second monitoring mode that reduces the control channel monitoring frequency,
wherein a first set of parameters of the first monitoring mode include a duration for skipping control channel monitoring, and
wherein a second set of parameters of the second monitoring mode include:
a control channel monitoring periodicity,
a starting position offset,
a monitoring duration in a periodicity, and
monitoring symbols of a slot in the monitoring duration; and
monitor, by the user equipment, the control channel according to the monitoring mode.
9. The user equipment of claim 8 , wherein the monitoring mode is one of the first monitoring mode that skips control channel monitoring and a third monitoring mode that does not support skipping control channel monitoring.
10. The user equipment of claim 8 , wherein the monitoring mode is one of a third monitoring mode that reduces a control channel monitoring frequency with a first type of parameters and the second monitoring mode that reduces the control channel monitoring frequency with a second type of parameters.
11. The user equipment of claim 10 ,
wherein a first set of parameters of the first monitoring mode include:
a first control channel monitoring periodicity Ks1, and
a first monitoring duration in a periodicity Ts1, and
wherein a second set of parameters of the second monitoring mode include:
a second control channel monitoring periodicity Ks2, and
a second monitoring duration in a periodicity Ts2.
12. The user equipment of claim 11 ,
wherein Ts1/Ks1>Ts2/Ks2, or Ks1<Ks2, or Ts1>Ts2.
13. The user equipment of claim 8 , wherein the information includes:
a radio resource control (RRC) layer control signaling, or
a downlink control information (DCI).
14. The user equipment of claim 8 , wherein the control channel is a physical downlink control channel (PDCCH).
15. A non-transitory computer readable program storage medium having code stored thereon, the code, when executed by at least one processor, causing the at least one processor to implement a method, comprising:
transmitting, by a user equipment to a base station, a feature list comprising a control channel monitoring mode supported by the user equipment, wherein the control channel monitoring mode supported by the user equipment comprises a first monitoring mode that skips control channel monitoring and a second monitoring mode that reduces a control channel monitoring frequency;
receiving, in response to the transmitting the feature list, information that indicates a monitoring mode for a control channel,
wherein the monitoring mode is the first monitoring mode that skips control channel monitoring or the second monitoring mode that reduces the control channel monitoring frequency,
wherein a first set of parameters of the first monitoring mode include a duration for skipping control channel monitoring, and
wherein a second set of parameters of the second monitoring mode include:
a control channel monitoring periodicity,
a starting position offset,
a monitoring duration in a periodicity, and
monitoring symbols of a slot in the monitoring duration; and
monitoring, by the user equipment, the control channel according to the monitoring mode.
16. The non-transitory computer readable program storage medium of claim 15 , wherein the monitoring mode is one of the first monitoring mode that skips control channel monitoring and a third monitoring mode that does not support skipping control channel monitoring.
17. The non-transitory computer readable program storage medium of claim 15 , wherein the monitoring mode is one of a third monitoring mode that reduces a control channel monitoring frequency with a first type of parameters and the second monitoring mode that reduces the control channel monitoring frequency with a second type of parameters.
18. The non-transitory computer readable program storage medium of claim 17 ,
wherein a first set of parameters of the first monitoring mode include:
a first control channel monitoring periodicity Ks1, and
a first monitoring duration in a periodicity Ts1, and
wherein a second set of parameters of the second monitoring mode include:
a second control channel monitoring periodicity Ks2, and
a second monitoring duration in a periodicity Ts2.
19. The non-transitory computer readable program storage medium of claim 18 ,
wherein Ts1/Ks1>Ts2/Ks2, or Ks1<Ks2, or Ts1>Ts2.
20. The non-transitory computer readable program storage medium of claim 15 ,
wherein the information includes:
a radio resource control (RRC) layer control signaling, or
a downlink control information (DCI).