Technologies for uplink gap triggering and operation
The present application relates to devices and components including apparatus, systems, and methods for triggering and using uplink gaps in cellular networks. A method of an embodiment comprises: transmitting, to a base station, an indication of an uplink (UL) gap capability or preference of the UE for body proximity sensing (BPS) or transceiver calibration; activating a UL gap configuration based on an activation command received from a network; and performing operations for BPS or transceiver calibration within a UL gap defined by the UL gap configuration.
1 . A method comprising:
generating an uplink (UL) gap preference report to be transmitted to a base station, wherein the UL gap preference report includes an indication of a gap periodicity and a gap length that are preferred for a UL gap configuration associated with a frequency range 2 (FR2) UL gap;
generating a UL gap capability report to indicate a capability to perform body proximity sensing (BPS) within the FR2 UL gap;
activating the UL gap configuration based on an activation command received from a network; and
performing BPS operation in accordance with the UL gap configuration.
2 . The method of claim 1 , further comprising:
processing the activation command in a media access control (MAC) control element (CE) or downlink control information (DCI).
3 . The method of claim 2 , wherein the activation command is received in a MAC CE and the method further comprises:
generating an acknowledgment of a physical downlink shared channel transmission, to be transmitted to the base station, that conveys the MAC CE to acknowledge receipt of the activation command.
4 . The method of claim 2 , wherein the activation command is received in DCI and the method further comprises:
generating a physical uplink shared channel transmission scheduled by the DCI, to be transmitted to the base station, to acknowledge receipt of the activation command.
5 . The method of claim 1 , further comprising:
deactivating the UL gap configuration based on a deactivation command received from the network.
6 . The method of claim 5 , further comprising:
processing the deactivation command in downlink control information (DCI) that schedules a physical uplink shared channel (PUSCH) transmission; and
generating the PUSCH transmission, to be transmitted to the base station, to indicate the deactivation command was successfully received.
7 . The method of claim 5 , further comprising:
processing the deactivation command in downlink control information (DCI) that does not schedule a physical uplink shared channel (PUSCH) transmission; and
generating a hybrid automatic repeat request (HARQ) acknowledgement, to be transmitted to the base station, to indicate the deactivation command was successfully received.
8 . The method of claim 1 , wherein the method further comprises:
processing a radio resource control (RRC) signaling, received from the base station, to indicate configured parameters of the UL gap configuration, the parameters to include UL gap periodicity, length, or offset.
9 . The method of claim 8 , wherein the configured parameters include a periodicity (ULgap_periodicity) and offset (ULgapStartOffset) that are defined in milliseconds, wherein the UL gap is to start at a subframe with a subframe number that meets a condition: ((SFN* 10) +subframe number) mod (ULgap_periodicity) ==(ULgapStartOffset) mod (ULgap_periodicity), where SFN is a system frame number.
10 . The method of claim 8 , wherein the configured parameters include a periodicity (ULgap_periodicity) and offset (ULgapStartOffset) that are defined in slots, wherein the UL gap within a subframe with a subframe number is to start at a slot with a slot index (slotIndex) that meets a condition: ((SFN* 10) +subframe number) * 8 + (slotIndex within subframe)) mod (ULgap_periodicity) ==(ULgapStartOffset) mod (ULgap_periodicity), where SFN is a system frame number.
11 . The method of claim 8 , wherein the parameters include a length that is defined as a number of consecutive uplink slots, wherein the number is 1, 2, 4, or 8.
12 . The method of claim 8 , wherein the parameters include a UL gap periodicity that is 20, 40, 80, or 160 milliseconds.
13 . The method of claim 1 , further comprising:
performing a transceiver calibration in accordance with the UL gap configuration.
14 . The method of claim 1 , wherein the UL gap preference report indicates a UL gap pattern that is preferred among a plurality of UL gap patterns.
15 . The method of claim 1 , wherein the FR2 UL gap is configured without a UL grant during the FR2 UL gap.
16 . One or more non-transitory computer-readable media having instructions that, when executed, cause processing circuitry to:
process an uplink (UL) gap preference report received from a user equipment (UE), wherein the UL gap preference report includes an indication of a gap periodicity and a gap length that are preferred for a UL gap configuration in frequency range 2 (FR2);
generate information based on the UL gap preference report, the information to be transmitted to the UE to configure one or more UL gap configurations;
process a request to activate a UL gap configuration of the one or more UL gap configurations; and
generate, based on the request, an activation command, to be transmitted to the UE, to activate the UL gap configuration of the one or more UL gap configurations.
17 . The one or more non-transitory computer-readable media of claim 16 , wherein the instructions, when executed, further cause the processing circuitry to:
process a measurement report from the UE;
detect a cell edge condition based on the measurement report; and
generate the activation command based on detection of the cell edge condition.
18 . The one or more non-transitory computer-readable media of claim 16 , wherein the instructions, when executed, further cause the processing circuitry to:
process a buffer status report from the UE;
detect a traffic condition at the UE based on the buffer status report; and
generate the activation command based on detection of the traffic condition.
19 . The one or more non-transitory computer-readable media of claim 16 , wherein the instructions, when executed, further cause the processing circuitry to:
process a power management-maximum power reduction (P-MPR) report from the UE;
detect a power condition at the UE based on the P-MPR report; and
generate the activation command based on detection of the power condition.
20 . The one or more non-transitory computer-readable media of claim 16 , wherein the UL gap configuration is for a body proximity sensing (BPS) operation of the UE.
21 . An apparatus comprising:
processing circuitry to:
generate an uplink (UL) gap preference report to be transmitted to a base station, wherein the UL gap preference report includes an indication of a gap periodicity and a gap length that are preferred for a UL gap configuration associated with a frequency range 2 (FR2) UL gap;
generate a UL gap capability report to indicate a capability to perform body proximity sensing (BPS) within the FR2 UL gap; and
activate the UL gap configuration based on an activation command received from a network; and
perform a BPS operation in accordance with the UL gap configuration; and
interface circuitry coupled with the processing circuitry to enable communication.
22 . The apparatus of claim 21 , wherein the processing circuitry is further to:
process the activation command in a media access control (MAC) control element (CE) or downlink control information (DCI).
23 . The apparatus of claim 22 , wherein the activation command is received in a MAC CE and the processing circuitry is further to:
generate an acknowledgment of a physical downlink shared channel transmission, to be transmitted to the base station, that conveys the MAC CE to acknowledge receipt of the activation command.
24 . The apparatus of claim 22 , wherein the activation command is received in DCI and the processing circuitry is further to:
generate a physical uplink shared channel transmission, to be transmitted to the base station, scheduled by the DCI to acknowledge receipt of the activation command.
25 . The apparatus of claim 21 , wherein the processing circuitry is further to:
deactivate the UL gap configuration based on a deactivation command received from the network.
26 . The apparatus of claim 25 , wherein the processing circuitry is further to:
process the deactivation command in a media access control (MAC) control element (CE) of a physical downlink shared channel (PDSCH) transmission; and
generate an acknowledgment of the PDSCH transmission, to be transmitted to the base station, to indicate the deactivation command was successfully received.
27 . The apparatus of claim 21 , wherein the processing circuitry is further to:
process radio resource control (RRC) signaling, received from the base station, to configure parameters of the UL gap configuration, the parameters to include UL gap periodicity, length, or offset.
28 . The apparatus of claim 21 , wherein the UL gap preference report indicates a UL gap pattern that is preferred among a plurality of UL gap patterns.