P-Max

RRC IE · TS 38.331 v19.4.0 (2026-09) · clause 6.3.2

P-Max is an RRC information element of 3GPP TS 38.331 (38331), the 5G NR Radio Resource Control (RRC) protocol.

First seen v15.1.0 (2018-04) · Not changed since

Definition

The IE P-Max is used to limit the UE's uplink transmission power on a carrier frequency, in TS 38.101-1 [15] and in TS 38.101-5 [75], and is used to calculate the parameter Pcompensation defined in TS 38.304 [20]. In ATG cell, actual value of P-Max = 9 + field value [dBm].

P-Max ::=                           INTEGER (-30..33)

Used by (14)

• ConfigRestrictInfoDAPS-r16
• ConfigRestrictInfoSCG
• ConfigRestrictModReqSCG
• DAPS-UplinkPowerConfig-r16
• FrequencyInfoUL
• FrequencyInfoUL-SIB
• InterFreqCarrierFreqInfo
• NR-NS-PmaxValue
• NR-NS-PmaxValueAerial-r18
• PhysicalCellGroupConfig
• SIB1-RequestConfig-r19
• SIB12-IEs-r16
• SIB2
• SL-PHY-MAC-RLC-Config-v1700

In the viewer

• Read P-Max in v19.4.0
• History of P-Max across versions
• All versions of TS 38.331
• ASN.1 index