Maximum power reduction

{
  "publication_number": "US2026107238A1",
  "country": "US",
  "kind": "A1",
  "title": "Maximum power reduction",
  "abstract": "One disclosure of the present specification provides a user equipment (UE). The UE comprises: a transceiver for transmitting/receiving a signal; and a processor for controlling the transceiver, wherein the UE is a power class 3 UE, the transceiver is configured to satisfy A-MPR, the transceiver transmits an uplink signal to a base station, and the A-MPR is based on pre-coding, modulation method, channel bandwidth and RB allocation method.",
  "claims": [
    "1. A UE (User Equipment), comprising: a transceiver for transmitting and receiving signals; and a processor for controlling the transceiver, wherein the processor performs operation comprising: wherein the UE is a power class 3 UE, wherein the UE is configured to satisfy A-MPR (additional maximum power reduction), determining transmission power based on the A-MPR; transmitting, to a base station, an uplink signal with the determined transmission power, wherein the MPR is based on pre-coding, channel bandwidth, a modulation scheme and an RB allocation scheme. 2. The UE of claim 1, wherein the transceiver includes one transmitter, wherein the A-MPR is equal to or less than 11.5 dB, based on i) the pre-coding being DFT-s-OFDM (Discrete Fourier transform-spread orthogonal frequency-division multiplexing), ii) the modulation scheme being Pi/2 BPSK (binary phase shift keying), QPSK (Quadrature phase shift keying), 16 QAM (Quadrature Amplitude Modulation), 64 QAM or 256 QAM, iii) the channel bandwidth being 20 MHz and iv) the RB allocation scheme being Partial RB allocation, wherein the A-MPR is equal to or less than 11.5 dB, based on i) the pre-coding being CP (Cyclic Prefix)-OFDM, ii) the modulation scheme being QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 20 MHz and iv) the RB allocation scheme being Partial RB allocation. 3. The UE of claim 1, wherein the transceiver includes one transmitter, wherein the A-MPR is equal to or less than 6.0 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 40 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 6.0 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 40 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 9.0 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 40 MHz and iv) the RB allocation scheme being Partial RB allocation, wherein the A-MPR is equal to or less than 9.0 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 40 MHz and iv) the RB allocation scheme being Partial RB allocation. 4. The UE of claim 1, wherein the transceiver includes one transmitter, wherein the A-MPR is equal to or less than 4.5 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 60 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 7.0 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 60 MHz and iv) the RB allocation scheme being Partial RB allocation, wherein the A-MPR is equal to or less than 7.0 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 60 MHz and iv) the RB allocation scheme being Partial RB allocation. 5. The UE of claim 1, wherein the transceiver includes one transmitter, wherein the A-MPR is equal to or less than 3.0 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM or 64 QAM, iii) the channel bandwidth being 80 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 6.0 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 80 MHz and iv) the RB allocation scheme being Partial RB allocation, wherein the A-MPR is equal to or less than 6.0 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM or 64 QAM, iii) the channel bandwidth being 80 MHz and iv) the RB allocation scheme being Partial RB allocation. 6. The UE of claim 1, wherein the transceiver includes one transmitter, wherein the A-MPR is equal to or less than 2.5 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM or 64 QAM, iii) the channel bandwidth being 100 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 3.5 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, or 16 QAM, iii) the channel bandwidth being 100 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 5.0 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK or 16 QAM, iii) the channel bandwidth being 100 MHz and iv) the RB allocation scheme being Partial RB allocation, wherein the A-MPR is equal to or less than 5.0 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM or 64 QAM, iii) the channel bandwidth being 100 MHz and iv) the RB allocation scheme being Partial RB allocation. 7. The UE of claim 1, wherein the transceiver includes two transmitters, wherein the A-MPR is equal to or less than 11.5 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 20 MHz and iv) the RB allocation scheme being Partial RB allocation, wherein the A-MPR is equal to or less than 11.5 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 20 MHz and iv) the RB allocation scheme being Partial RB allocation. 8. The UE of claim 1, wherein the transceiver includes two transmitters, wherein the A-MPR is equal to or less than 6.0 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 40 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 6.0 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 40 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 9.0 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 40 MHz and iv) the RB allocation scheme being Partial RB allocation, wherein the A-MPR is equal to or less than 9.0 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 40 MHz and iv) the RB allocation scheme being Partial RB allocation. 9. The UE of claim 1, wherein the transceiver includes two transmitters, wherein the A-MPR is equal to or less than 4.5 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 60 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 5.0 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 60 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 7.0 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 60 MHz and iv) the RB allocation scheme being Partial RB allocation, wherein the A-MPR is equal to or less than 7.0 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 60 MHz and iv) the RB allocation scheme being Partial RB allocation. 10. The UE of claim 1, wherein the transceiver includes two transmitters, wherein the A-MPR is equal to or less than 3.0 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM or 64 QAM, iii) the channel bandwidth being 80 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 4.5 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM or 64 QAM, iii) the channel bandwidth being 80 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 5.5 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being 256 QAM, iii) the channel bandwidth being 80 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 6.0 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 80 MHz and iv) the RB allocation scheme being Partial RB allocation, wherein the A-MPR is equal to or less than 6.0 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM or 64 QAM, iii) the channel bandwidth being 80 MHz and iv) the RB allocation scheme being Partial RB allocation. 11. The UE of claim 1, wherein the transceiver includes two transmitters, wherein the A-MPR is equal to or less than 3.0 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM or 64 QAM, iii) the channel bandwidth being 100 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 4.5 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM or 64 QAM, iii) the channel bandwidth being 100 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 5.5 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being 256 QAM, iii) the channel bandwidth being 100 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 5.5 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 100 MHz and iv) the RB allocation scheme being Partial RB allocation, wherein the A-MPR is equal to or less than 5.5 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM or 64 QAM, iii) the channel bandwidth being 100 MHz and iv) the RB allocation scheme being Partial RB allocation. 12. The UE of claim 1, wherein the transceiver includes two transmitters, wherein the A-MPR is equal to or less than 9.5 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being Pi/2 BPSK, QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 20 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 9.5 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being QPSK, 16 QAM, 64 QAM or 256 QAM, iii) the channel bandwidth being 20 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 4.5 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being 256 QAM, iii) the channel bandwidth being 80 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 6.5 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being 256 QAM, iii) the channel bandwidth being 80 MHz and iv) the RB allocation scheme being Partial RB allocation, wherein the A-MPR is equal to or less than 4.5 dB, based on i) the pre-coding being DFT-s-OFDM, ii) the modulation scheme being 256 QAM, iii) the channel bandwidth being 100 MHz and iv) the RB allocation scheme being Full RB allocation, wherein the A-MPR is equal to or less than 6.0 dB, based on i) the pre-coding being CP-OFDM, ii) the modulation scheme being 256 QAM, iii) the channel bandwidth being 100 MHz and iv) the RB allocation scheme being Partial RB allocation. 13. The UE of claim 1, wherein the operation further comprises: receiving, from a base station, NS_60 (Network Signal_60), wherein the A-MPR is based on the NS_60. 14. The UE of claim 1, wherein the uplink signal is transmitted via shared spectrum access. 15. A method for performing communication, performed by a UE (User Equipment), comprising: determining transmission power based on A-MPR (maximum power reduction); transmitting, to a base station, an uplink signal with the determined transmission power, wherein the UE is a power class 3 UE, wherein the UE is configured to satisfy the A-MPR, wherein the MPR is based on pre-coding, channel bandwidth, a modulation scheme and an RB allocation scheme. 16 - 19. (canceled)"
  ],
  "cpc": [
    "H04W 52/367",
    "H04L 27/2607",
    "H04L 27/26526",
    "H04W 52/262"
  ],
  "filing_date": "2023-09-27",
  "publication_date": "2026-04-16",
  "application_number": "US-202319115097-A"
}