Granted Patent B2

US 12,232,050 · App. 17/563,956 · Granted Feb 18, 2025

Inventor: Li Guo (Allen, TX)

Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

H04W52/365H04W52/325

Abstract

Claims (65)

1. An information reporting method, comprising:

receiving, by a user equipment (UE), first configuration information from a network device, wherein the first configuration information is used for determining configuration of N reference signals, and N is an integer greater than 1;

measuring, by the UE, the N reference signals based on the first configuration information;

selecting, by the UE, at least one reference signal from the N reference signals; and

reporting, by the UE, information related to each of the at least one reference signal,

wherein the information related to each of the at least one reference signal comprises a first power back-off value;

wherein the information related to each of the at least one reference signal further comprises at least one of the following:

identification information of the reference signal:

a first layer 1-reference signal received power (L1-RSRP) value, which is an L1-RSRP value obtained by measuring the reference signal;

a second L1-RSRP value, which is determined based on the first L1-RSRP value and the first power back-off value: or

a first power header room, which is determined based on the first L1-RSRP value, an energy per resource element (EPRE) of the reference signal, a UE configured maximum output power and the first power back-off value;

wherein the second L1-RSRP value is determined based on the following formula;

RSRP scaled =RSRP −ΔP

wherein RSRP scaled is the second L1-RSRP value, RSRP is the first L1-RSRP value and ΔP is the first power back-off value;

wherein the at least one reference signal comprises K reference signals, where K is an integer greater than 1 and less than or equal to N; and among the K reference signals, a first L1-RSRP value of a first reference signal is maximum; and

wherein reporting, by the UE, information related to each of the at least one reference signal comprises:

reporting, by the UE, identification information, the first L1-RSRP value, and a first power header room of the first reference signal, and identification information, first L1-RSRP differential values, and the first power header rooms of K-1 reference signals of the K reference signals other than the first reference signal, wherein the first L1-RSRP differential value of the reference signal and the first L1-RSRP value of the first reference signal are used for determining the first L1-RSRP value of the reference signal.

2. The method of claim 1 , wherein the first power back-off value is applied to a first transmit beam of the UE, wherein the first transmit beam of the UE corresponds to a first receive beam of the UE, and the first receive beam of the UE is used for receiving and measuring the reference signal.

3. The method of claim 1 , wherein the first power header room is determined based on the following formula:

PHR hypothetical =P CMAX −ΔP−{P O +α×PL +f}

where PHR hypothetical is the first power header room, P CMAX is a UE configured maximum output power, ΔP is the first power back-off value, P O is a nominal power level configured to the UE, PL is a path loss determined based on the first L1-RSRP value, α is a scaling factor of the path loss, and f is a power control adjustment state.

4. The method of claim 1 , wherein the first power header room is determined based on the following formula:

PHR hypothetical =P CMAX −ΔP−{P O +10log 10 (2 μ M RB )+α×PL+f }

where PHR hypothetical is the first power header room, P CMAX is a UE configured maximum output power, ΔP is the first power back-off value, P O is a nominal power level configured to the UE, PL is a path loss determined based on the first L1-RSRP value, α is a scaling factor of the path loss, f is a power control adjustment state, M RB is a reference bandwidth of uplink resource assignment, and μ is reference subcarrier spacing (SCS) configuration.

5. The method of claim 1 , wherein the reference signal is a channel state information-reference signal (CSI-RS) or a synchronization signal/primary broadcast channel (SS/PBCH).

6. A user equipment (UE), comprising: a processor and a memory storing a computer program, the processor is configured to call and run the computer program stored in the memory, to

receive first configuration information from a network device, wherein the first configuration information is used for determining configuration of N reference signals, and N is an integer greater than 1; and

measure the N reference signals based on the first configuration information;

select at least one reference signal from the N reference signals; and

report information related to each of the at least one reference signal,

wherein the information related to each of the at least one reference signal comprises a first power back-off value;

wherein the information related to each of the at least one reference signal further comprises at least one of the following:

identification information of the reference signal:

a first layer 1-reference signal received power (L1-RSRP) value, which is an L1-RSRP value obtained by measuring the reference signal;

a second L1-RSRP value, which is determined based on the first L1-RSRP value and the first power back-off value; or

a first power header room, which is determined based on the first L1-RSRP value, an energy per resource element (EPRE) of the reference signal, a UE configured maximum output power, and the first power back-off value;

wherein the second L1-RSRP value is determined based on the following formula;

RSRP sealed =RSRP−ΔP

wherein RSRP sealed is the second L1-RSRP value, RSRP is the first L1-RSRP value. and ΔP is the first power back-off value;

wherein the at least one reference signal comprises K. reference signals, where K is an integer greater than 1 and less than or equal to N; and among the K reference signals, a first L1-RSRP value of a first reference signal is maximum; and

wherein the processor is configured to report identification information, the first L1-RSRP value, and a first power header room of the first reference signal, and identification information, first L1-RSRP differential values, and the first power header rooms of K-1 reference signals of the K reference signals other than the first reference signal, wherein the first L1-RSRP differential value of the reference signal and the first L1-RSRP value of the first reference signal are used for determining the first L1-RSRP value of the reference signal.

7. The UE of claim 6 , wherein the first power back-off value is applied to a first transmit beam of the UE, wherein the first transmit beam of the UE corresponds to a first receive beam of the UE, and the first receive beam of the UE is used for receiving and measuring the reference signal.

8. The UE of claim 6 , wherein the first power header room is determined based on the following formula:

PHR hypothetical =P CMAX −ΔP−{P O +α×PL+f}

where PHR hypothetical is the first power header room, P CMAX is a UE configured maximum output power, ΔP is the first power back-off value, Po is a nominal power level configured to the UE, PL is a path loss determined based on the first L1-RSRP value, α is a scaling factor of the path loss, and f is a power control adjustment state.

9. The UE of claim 6 , wherein the first power header room is determined based on the following formula:

PHR hypothetical =P CMAX −ΔP−{P O +10log 10 (2 μ M RB )+α×PL+f }

where PHR hypothetical is the first power header room, P CMAX is a UE configured maximum output power, ΔP is the first power back-off value, P O is a nominal power level configured to the UE, PL is a path loss determined based on the first L1-RSRP value, α is a scaling factor of the path loss, f is a power control adjustment state, M RB is a reference bandwidth of uplink resource assignment, and u is reference subcarrier spacing (SCS) configuration.

10. The UE of claim 6 , wherein the reference signal is a channel state information-reference signal (CSI-RS) or a synchronization signal/primary broadcast channel (SS/PBCH).

11. An information reporting method, comprising:

receiving, by a user equipment (UE), first configuration information from a network device, wherein the first configuration information is used for determining configuration of N reference signals, and N is an integer greater than 1 ;

measuring, by the UE, the N reference signals based on the first configuration information;

selecting, by the UE, at least one reference signal from the N reference signals; and

reporting, by the UE, information related to each of the at least one reference signal, wherein the information related to each of the at least one reference signal comprises a first power back-off value;

wherein the information related to each of the at least one reference signal further comprises at least one of the following:

identification information of the reference signal;

a first layer 1 -reference signal received power (L1-RSRP) value, which is an L1-RSRP value obtained by measuring the reference signal;

a second L1-RSRP value, which is determined based on the first L1-RSRP value and the first power back-off value; or

a first power header room, which is determined based on the first L1-RSRP value, an energy per resource element (EPRE) of the reference signal, a UE configured maximum output power, and the first power back-off value;

wherein the second L1-RSRP value is determined based on the following formula:

RSRP scaled =RSRP=ΔP

wherein RSRP scaled is the second L1-RSRP value, RSRP is the first L1-RSRP value, and ΔP is the first power back-off value;

wherein the at least one reference signal comprises K reference signals, where K is an integer greater than 1 and less than or equal to N; and among the K reference signals, a second L1-RSRP value of a first reference signal is maximum; and

wherein reporting, by the UE, information related to each of the at least one reference signal comprises:

reporting, by the UE, identification information and the second L1-RSRP value of the first reference signal, and identification information and second L1-RSRP differential values of K-1 reference signals of the K reference signals other than the first reference signal, wherein the second L1-RSRP differential value of the reference signal and the second L1-RSRP value of the first reference signal are used for determining the second L1-RSRP value of the reference signal.

Assignments (1)

Continuity (3)

References Cited (21)