Granted Patent B2

US 12,634,833 · App. 18/324,919 · Granted May 19, 2026

Inventors: Qi Li (Beijing, CN); Di Su (Beijing, CN); Qi Xiong (Beijing, CN); Chen Qian (Beijing, CN); Bin Yu (Beijing, CN); Haijie Qiu (Beijing, CN)

Assignee: Samsung Electronics Co., Ltd.

H04W52/146H04W8/24H04W52/365

Abstract

Claims (54)

1 . A method performed by a user equipment (UE) in a communication system, the method comprising:

transmitting, to a base station, capability information including information indicating whether the UE supports power relaxation;

receiving, from the base station, configuration information including information on power relaxation indication;

identifying at least one power relaxation parameters for an uplink transmission power based on the power relaxation indication; and

transmitting, to the base station, an uplink signal by using an uplink transmission power adjusted based on the at least one power relaxation parameters,

wherein the at least one power relaxation parameters include relaxed maximum output power reduction (MPR) value.

2 . The method of claim 1 , wherein the information indicating whether the UE supports the power relaxation is identified per at least one of: a frequency band, a frequency band combination, or a bandwidth part.

3 . The method of claim 1 , wherein information associated with the uplink signal is identified based on the power relaxation, and

wherein the information associated with the uplink signal includes at least one of: a modulation mode, a carrier waveform, a power class, a transmission bandwidth setting, a resource block (RB) allocation mode, a transmit power control (TPC) command field, or a calculation method of a power control adjustment state.

4 . The method of claim 1 , wherein the at least one power relaxation parameters further includes at least one of: an MPR value, a configured maximum transmission power offset, a corrected value of a maximum transmission power offset, a maximum output power limit offset, a maximum output power offset, a transmission power calculation offset; an expected received power offset; a transmit power control (TPC) command mapping power value offset; or a power headroom offset.

5 . The method of claim 1 , further comprising:

identifying an error vector magnitude (EVM) requirement associated with the power relaxation, and

wherein the at least one power relaxation parameters satisfies the EVM requirement.

6 . The method of claim 5 , wherein the capability information further includes information associated with the EVM requirement.

7 . The method of claim 1 , wherein the uplink signal is a physical uplink shared channel.

8 . A user equipment (UE) in a communication system, the UE comprising:

a transceiver; and

a processor coupled with the transceiver and configured to:

transmit, to a base station, capability information including information indicating whether the UE supports power relaxation;

receive, from the base station, configuration information including information on power relaxation indication;

identify at least one power relaxation parameters for an uplink transmission power based on the power relaxation indication; and

transmit, to the base station, an uplink signal by using an uplink transmission power adjusted based on the at least one power relaxation parameters,

wherein the at least one power relaxation parameters include relaxed maximum output power reduction (MPR) value.

9 . The UE of claim 8 , wherein the information indicating whether the UE supports the power relaxation is identified per at least one of: a frequency band, a frequency band combination, or a bandwidth part.

10 . The UE of claim 8 , wherein information associated with the uplink signal is identified based on the power relaxation, and

wherein the information associated with the uplink signal includes at least one of: a modulation mode, a carrier waveform, a power class, a transmission bandwidth setting, a resource block (RB) allocation mode, a transmit power control (TPC) command field, or a calculation method of a power control adjustment state.

11 . The UE of claim 8 , wherein the at least one power relaxation parameters further includes at least one of: an MPR value, a configured maximum transmission power offset, a corrected value of a maximum transmission power offset, a maximum output power limit offset, a maximum output power offset, a transmission power calculation offset; an expected received power offset; a transmit power control (TPC) command mapping power value offset; or a power headroom offset.

12 . The UE of claim 8 , wherein the processor is further configured to:

identify an error vector magnitude (EVM) requirement associated with the power relaxation, and

wherein the at least one power relaxation parameters satisfies the EVM requirement.

13 . The UE of claim 12 , wherein the capability information further includes information associated with the EVM requirement.

14 . The UE of claim 8 , wherein the uplink signal is a physical uplink shared channel.

15 . A method performed by a base station in a communication system, the method comprising:

receiving, from a user equipment (UE), capability information including information indicating whether the UE supports power relaxation;

transmitting, to the UE, configuration information including information on power relaxation indication; and

receiving, from the UE, an uplink signal by using an uplink transmission power adjusted based on at least one power relaxation parameters for an uplink transmission power,

wherein the at least one power relaxation parameters is identified based on the power relaxation indication, and

wherein the at least one power relaxation parameters include relaxed maximum output power reduction (MPR) value.

16 . The method of claim 15 , wherein the information indicating whether the UE supports the power relaxation is identified per at least one of: a frequency band, a frequency band combination, or a bandwidth part.

17 . The method of claim 15 , wherein the capability information further includes information associated with an error vector magnitude (EVM) requirement,

wherein the at least one power relaxation parameters satisfies the EVM requirement, and

wherein the EVM requirement is associated with the power relaxation.

18 . A base station in a communication system, the base station comprising:

a transceiver; and

a processor coupled with the transceiver and configured to:

receive, from a user equipment (UE), capability information including information indicating whether the UE supports power relaxation;

transmit, to the UE, configuration information including information on power relaxation indication; and

receive, from the UE, an uplink signal using an uplink transmission power adjusted based on at least one power relaxation parameters for an uplink transmission power,

wherein the at least one power relaxation parameters is identified based on the power relaxation indication, and

wherein the at least one power relaxation parameters include relaxed maximum output power reduction (MPR) value.

19 . The base station of claim 18 , wherein the information indicating whether the UE supports the power relaxation is identified per at least one of: a frequency band, a frequency band combination, or a bandwidth part.

20 . The base station of claim 18 , wherein the capability information further includes information associated with an error vector magnitude (EVM) requirement,

wherein the at least one power relaxation parameters satisfies the EVM requirement, and

wherein the EVM requirement is associated with the power relaxation.

Assignments (1)

Priority Claims (2)

Continuity (1)

References Cited (11)