Abstract
A method of transmitting, by a user equipment (UE), power measurement information related to beam reporting in a wireless communication system includes: receiving downlink control information (DCI) triggering reporting of the power measurement information; receiving a downlink reference signal for reporting of the power measurement information; and transmitting, to a base station, power measurement information determined based on the received downlink reference signal. A minimum required time for reporting of the power measurement information is (i) calculated as the sum of a first minimum required time from the last timing of the downlink reference signal to a transmission timing of the power measurement information and a second minimum required time between DCI triggering the downlink reference signal and reception of the downlink reference signal or (ii) calculated based on a pre-configured threshold value related to reporting of the power measurement information.
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Technologies
Product
Use Cases
Services
Claim
1. A method of transmitting, by a user equipment (UE), power measurement information related to beam reporting in a wireless communication system, the method comprising:
receiving, by the user equipment, downlink control information (DCI) that triggers reporting of the power measurement information;
receiving, by the user equipment, a downlink reference signal for reporting of the power measurement information; and
transmitting, by the user equipment, to a base station, a report of the power measurement information determined based on the received downlink reference signal,
wherein based on the reporting of the power measurement information being configured for Layer 1 reference signal received power (L1-RSRP) reporting:
a minimum required time for reporting of the power measurement information is determined based on (i) a first timing parameter related to a first time duration from a last timing of the downlink reference signal to a transmission timing of the report of the power measurement information and (ii) a second timing parameter related to a second time duration from a timing of a triggering DCI to a timing of the downlink reference signal,
wherein the minimum required time for reporting of the power measurement information is determined based on the first timing parameter and the second timing parameter such that, for a subcarrier spacing of 60 kHz and 120 kHz:
for the second timing parameter having a value of 14: the minimum required time for reporting of the power measurement information is calculated as a sum of (i) the first timing parameter and (ii) the second timing parameter, and
for the second timing parameter having a value of 224 and 336: the minimum required time for the reporting of the power measurement information is determined regardless of the second timing parameter.
2. The method of claim 1, wherein the second timing parameter is related to a duration of time to switch to a reception beam of the downlink reference signal.
3. The method of claim 1, wherein the downlink reference signal is at least one of a channel state information-reference signal (CSI-RS) or a synchronization signal block.
4. The method of claim 1, wherein the downlink reference signal is configured to be an aperiodic reference signal.
5. The method of claim 1, wherein based on the reporting of the power measurement information being configured for the L1-RSRP reporting:
for the first timing parameter, the transmission timing of the report of the power measurement information corresponds to a starting symbol of a Physical Uplink Shared Channel (PUSCH) containing the report.
6. The method of claim 1, further comprising:
reporting, to the base station, information regarding the second timing parameter as UE capability information,
wherein the second timing parameter indicates a UE capability for a minimum required time between the timing of the triggering DCI and the timing of the downlink reference signal.
7. The method of claim 1, wherein based on the reporting of the power measurement information being configured for the L1-RSRP reporting:
the L1-RSRP reporting is one of (i) a CSI-RS resource indicator (CRI) and RSRP (CRI-RSRP) reporting, or (ii) a synchronization signal block (SSB) identifier and RSRP (SSB-Index-RSRP) reporting.
8. The method of claim 1, wherein based on the reporting of the power measurement information being configured for the L1-RSRP reporting, the method further comprises:
calculating a L1-RSRP value based on the received downlink reference signal; and
including the L1-RSRP value as part of the report that is transmitted to the base station.
9. The method of claim 1, wherein the minimum required time for reporting of the power measurement information is determined based on an upper bound threshold criterion which depends on the second timing parameter,
wherein the upper bound threshold criterion is not exceeded for the second timing parameter having the value of 14, so that the minimum required time for reporting of the power measurement information is calculated as the sum of (i) the first timing parameter and (ii) the second timing parameter, and
wherein the upper bound threshold criterion is exceeded for the second timing parameter having the value of 224 and 336, so that the minimum required time for the reporting of the power measurement information is determined regardless of the second timing parameter.
10. A user equipment (UE) configured to transmit power measurement information related to beam reporting in a wireless communication system, the UE comprising:
at least one transceiver;
at least one processor; and
at least one computer memory is connected to the at least one processor and storing instructions that, based on being executed by the at least one processor, perform operations comprising:
receiving, through the at least one transceiver, downlink control information (DCI) that triggers reporting of the power measurement information;
receiving, through the at least one transceiver, a downlink reference signal for reporting of the power measurement information; and
transmitting, to a base station through the at least one transceiver, a report of the power measurement information determined based on the received downlink reference signal,
wherein based on the reporting of the power measurement information being configured for Layer 1 reference signal received power (L1-RSRP) reporting:
a minimum required time for reporting of the power measurement information is determined based on (i) a first timing parameter related to a first time duration from a last timing of the downlink reference signal to a transmission timing of the report of the power measurement information and (ii) a second timing parameter related to a second time duration from a timing of a triggering DCI to a timing of the downlink reference signal,
wherein the minimum required time for reporting of the power measurement information is determined based on the first timing parameter and the second timing parameter such that, for a subcarrier spacing of 60 kHz and 120 kHz:
for the second timing parameter having a value of 14: the minimum required time for reporting of the power measurement information is calculated as a sum of (i) the first timing parameter and (ii) the second timing parameter, and
for the second timing parameter having a value of 224 and 336: the minimum required time for the reporting of the power measurement information is determined regardless of the second timing parameter.
11. The UE of claim 10, wherein the second timing parameter is related to a duration of time to switch to a reception beam of the downlink reference signal.
12. The UE of claim 10, wherein the downlink reference signal is at least one of a channel state information-reference signal (CSI-RS) or a synchronization signal block.
13. The UE of claim 10, wherein the downlink reference signal is configured to be an aperiodic reference signal.
14. The UE of claim 10, wherein based on the reporting of the power measurement information being configured for the L1-RSRP reporting:
for the first timing parameter, the transmission timing of the report of the power measurement information corresponds to a starting symbol of a Physical Uplink Shared Channel (PUSCH) containing the report.
15. The UE of claim 10, wherein the operations further comprise:
reporting, to the base station, information regarding the second timing parameter as UE capability information,
wherein the second timing parameter indicates a UE capability for a minimum required time between the timing of the triggering DCI and the timing of the downlink reference signal.
16. The UE of claim 10, wherein based on the reporting of the power measurement information being configured for the L1-RSRP reporting:
the L1-RSRP reporting is one of (i) a CSI-RS resource indicator (CRI) and RSRP (CRI-RSRP) reporting, or (ii) a synchronization signal block (SSB) identifier and RSRP (SSB-Index-RSRP) reporting.
17. The UE of claim 10, wherein based on the reporting of the power measurement information being configured for the L1-RSRP reporting, the operations further comprise:
calculating a L1-RSRP value based on the received downlink reference signal; and
including the L1-RSRP value as part of the report that is transmitted to the base station.
18. The UE of claim 10, wherein the minimum required time for reporting of the power measurement information is determined based on an upper bound threshold criterion which depends on the second timing parameter,
wherein the upper bound threshold criterion is not exceeded for the second timing parameter having the value of 14, so that the minimum required time for reporting of the power measurement information is calculated as the sum of (i) the first timing parameter and (ii) the second timing parameter, and
wherein the upper bound threshold criterion is exceeded for the second timing parameter having the value of 224 and 336, so that the minimum required time for the reporting of the power measurement information is determined regardless of the second timing parameter.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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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.