METHOD AND DEVICE IN NODES USED FOR WIRELESS COMMUNICATION
The present application provides a method and device in a node for wireless communications. A first transmitter transmits first information on a first radio channel, and the first information indicates a first reference power value; herein, a determination of the first reference power value is based on MPR under a first waveform condition, and the first radio channel adopts a second waveform; the first waveform and the second waveform are two different physical layer waveforms.
1 . A first node for wireless communications, comprising:
a first transmitter, transmitting first information on a first radio channel, the first information indicating a first reference power value:
wherein a determination of the first reference power value is based on MPR (maximum power reduction) under a condition of a first waveform, and the first radio channel adopts a second waveform; the first waveform and the second waveform are two different physical layer waveforms.
2 . The first node according to claim 1 , wherein the first reference power value is configured maximum output power.
3 . The first node according to claim 2 , comprising:
the first transmitter, transmitting second information on the first radio channel, the second information indicating at least a former of a first power headroom and first maximum output power:
wherein the first maximum output power is used to determine the first power headroom, and a determination of the first maximum output power is based on MPR under a condition of the second waveform.
4 . The first node according to claim 1 , wherein the first reference power value is not less than a target lower limit power value, and the MPR under the condition of the first waveform is used to determine the target lower limit power value:
the target lower power limit value is denoted by P CMAX_L,f,c , and the P CMAX_L,f,c =MIN {P EMAX,c −ΔT C,c , (P PowerClass −ΔP PowerClass )−MAX(MAX(MPR c +ΔMPR c , A-MPR c )+ΔT IB,c +ΔT C,c , P-MPR c )}: wherein the P EMAX,c is a value indicated by an information element p-Max or a field additionalPmax of an information element NR-NS-PmaxList, the P PowerClass is maximum UE power without taking into account tolerance, the MPR c is the MPR under the condition of the first waveform, the A-MPR c is A-MPR under the condition of the first waveform, the ΔMPR c is equal to 0, and the P-MPR c is a power management maximum power reduction.
5 . The first node according to claim 2 , wherein the first radio channel is a PUSCH.
6 . The first node according to claim 2 , wherein the first waveform is a DFT-s-OFDM waveform, and the second waveform is a CP-OFDM waveform.
7 . The first node according to claim 2 , wherein the second waveform is a DFT-s-OFDM waveform, and the first waveform is a CP-OFDM waveform.
8 . A second node for wireless communications, comprising:
a second receiver, receiving first information on a first radio channel, the first information indicating a first reference power value:
wherein a determination of the first reference power value is based on MPR under a condition of a first waveform, and the first radio channel adopts a second waveform: the first waveform and the second waveform are two different physical layer waveforms.
9 . The second node according to claim 8 , wherein the first reference power value is configured maximum output power.
10 . The second node according to claim 9 , comprising:
the second receiver, receiving second information on the first radio channel, the second information indicating at least a former of a first power headroom and first maximum output power:
wherein the first maximum output power is used to determine the first power headroom, and a determination of the first maximum output power is based on MPR under a condition of the second waveform.
11 . The second node according to claim 8 , wherein the first reference power value is not less than a target lower limit power value, and the MPR under the condition of the first waveform is used to determine the target lower limit power value:
the target lower power limit value is denoted by P CMAX_L,f,c , and the P CMAX_L,f,c =MIN {P EMAX,c −ΔT C,c , (P PowerClass −ΔP PowerClass )−MAX(MAX(MPR c +ΔMPR c , A-MPR c )+ΔT IB,c +ΔT C,c , P-MPR c )}: wherein the P EMAX,c is a value indicated by an information element p-Max or a field additionalPmax of an information element NR-NS-PmaxList, the P PowerClass is maximum UE power without taking into account tolerance, the MPR c is the MPR under the condition of the first waveform, the A-MPR c is A-MPR under the condition of the first waveform, the ΔMPR c is equal to 0, and the P-MPR c is a power management maximum power reduction.
12 . The second node according to claim 9 , wherein the first radio channel is a PUSCH.
13 . The second node according to claim 9 , wherein the first waveform is a DFT-s-OFDM waveform, and the second waveform is a CP-OFDM waveform;
or, wherein the second waveform is a DFT-s-OFDM waveform, and the first waveform is a CP-OFDM waveform.
14 . A method in a first node for wireless communications, comprising:
transmitting first information on a first radio channel, the first information indicating a first reference power value;
wherein a determination of the first reference power value is based on MPR under a condition of a first waveform, and the first radio channel adopts a second waveform; the first waveform and the second waveform are two different physical layer waveforms.
15 . The method in a first node according to claim 14 , wherein the first reference power value is configured maximum output power.
16 . The method in a first node according to claim 15 comprising:
transmitting second information on the first radio channel, the second information indicating at least a former of a first power headroom and first maximum output power;
wherein the first maximum output power is used to determine the first power headroom, and a determination of the first maximum output power is based on MPR under a condition of the second waveform.
17 . The method in a first node according to claim 14 , wherein the first reference power value is not less than a target lower limit power value, and the MPR under the condition of the first waveform is used to determine the target lower limit power value;
the target lower power limit value is denoted by P CMAX_L,f,c , and the P CMAX_L,f,c =MIN {P EMAX,c −ΔT C,c , (P PowerClass −ΔP PowerClass )−MAX(MAX(MPR c +ΔMPR c , A-MPR c )+ΔT IB,c +ΔT C,c , P-MPR c )}: wherein the P EMAX,c is a value indicated by an information element p-Max or a field additionalPmax of an information element NR-NS-PmaxList, the P PowerClass is maximum UE power without taking into account tolerance, the MPR c is the MPR under the condition of the first waveform, the A-MPR c is A-MPR under the condition of the first waveform, the ΔMPR c is equal to 0, and the P-MPR c is a power management maximum power reduction.
18 . The method in a first node according to claim 15 , wherein the first radio channel is a PUSCH.
19 . The method in a first node according to claim 15 , wherein the first waveform is a DFT-s-OFDM waveform, and the second waveform is a CP-OFDM waveform.
20 . The method in a first node according to claim 15 , wherein the second waveform is a DFT-s-OFDM waveform, and the first waveform is a CP-OFDM waveform.