Example aspects include a method, apparatus, and computer-readable medium for wireless communication at user equipment (UE) of a mobile network, comprising monitoring an uplink metric of an uplink transmission channel. The aspects further include calculating an uplink transmit power based at least on a tolerance threshold. Additionally, the aspects include transmitting, via the uplink transmission channel according to the uplink transmit power, an uplink transmission. Additionally, the aspects include detecting a change in the uplink metric. Additionally, the aspects include comparing the change in the uplink metric with performance improvement criteria. Additionally, the aspects include determining whether to adjust the uplink transmit power. Additionally, the aspects include iterating adjustments to the uplink transmit power. Additionally, the aspects include stopping the adjustments to the uplink transmit power in response to determining that the uplink metric meets a performance threshold or in response to determining that the tolerance threshold has been met.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit a first sensing signal of a radio frequency (RF) sensing procedure at a first transmit power. The UE may receive, from a base station at least in part in response to the first sensing signal, a power control message for sensing signals of the RF sensing procedure. The power control message may indicate a power control strategy for transmitting sensing signals of the RF sensing procedure. The UE may then transmit, at a second transmit power based on the received power control message, a second sensing signal of the RF sensing procedure.

Methods and apparatuses for radio frequency exposure mitigation. A method for a user equipment (UE) to transmit a first channel includes receiving first information for a first downlink reference signal (DL RS) and a set of numbers of repetitions. The method further includes determining a first reference signal received power (RSRP) value for the first DL RS, a first spatial filter corresponding to the first DL RS, a first exposure value for the first spatial filter, and a first number of repetitions from the set of numbers of repetitions based on the first RSRP value and the first exposure value. The method further includes transmitting the first channel with the first number of repetitions using the first spatial filter.

The disclosure refers to a method and a base station for communication in a high frequency network are provided. The method includes generating a first beam having a first beamwidth in a first area of a cell, determining a plurality of second beamwidth levels for a plurality of second beams possible in the first beamwidth of the first beam, wherein a second beamwidth associated with each of the plurality of second beams is narrower than the first beamwidth, generating the plurality of second beams having the plurality of determined second beamwidth levels, and transmitting at least one synchronization message to a plurality of user equipments via the first beam and the plurality of second beams.

User equipment includes a transmission unit that performs uplink transmissions to a base station apparatus via a plurality of uplink carriers; and a control unit that changes a transmission power value of a random access channel to be transmitted with one or more of the plurality of uplink carriers when priority levels are assigned to the respective uplink transmissions on the plurality of uplink carriers; wherein, when the transmission unit fails to transmit a random access preamble with the transmission power value of the random access channel that is changed by the control unit and the transmission unit retransmits a random access preamble, the control unit changes transmission power control of the random access preamble to be transmitted from normal transmission power control.

A method for uplink (UL) power control of a User Equipment (UE) in a wireless communication system according to one embodiment of the present invention comprises receiving a Downlink (DL) Reference Signal (RS); measuring DL path-loss by using the DL RS; determining transmission power for an UL channel by using the measured path-loss; and transmitting the UL channel, wherein the DL RS used for determining the transmission power for the UL channel is determined based on configuration information indicated by a base station.

Methods, systems, and devices for wireless communications are described to enable a mobile access node to enter a new power state based on detection of a second access node. The second access node may be detected by the mobile access node or a central unit (CU). The mobile access node or the CU may determine for the mobile access node to enter a new power state and may notify the other of the determination. The mobile access node may enter a lower power state if the second access node is within a defined proximity or if one or more thresholds are exceeded. The mobile access node may enter a higher power state if no other access nodes are within the defined proximity or if the one or more thresholds are not exceeded. Configuration parameters for a power state change procedure may be configured by control signaling from a CU.

A test control unit controls a mobile terminal such that a first period T1, T3, T5, and T7 in which power of a transmission signal is maintained constant, and a second period T2, T4, T6, and T8 in which the power of the transmission signal is changed stepwise are alternately and continuously repeated, and changes a maximum value of signal power that is receivable by a pseudo base station unit in each first period T1, T3, T5, and T7, according to a power range of the transmission signal to be changed in each second period T2, T4, T6, and T8. A minimum value of the signal power that is receivable by the pseudo base station unit is determined, according to a maximum value of the signal power that is receivable by the pseudo base station unit and a reception dynamic range of a mobile terminal testing apparatus.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a source UE, a first sidelink communication. The UE may generate a transmit power control command based at least in part on a signal to interference noise ratio measurement associated with the first sidelink communication. The UE may transmit, to control a transmit power for a second sidelink communication, the transmit power control command to the source UE. Numerous other aspects are provided.

A method of transmitting and receiving a signal for a random access channel (RACH) procedure by a user equipment (UE) in a wireless communication system is disclosed. The method includes transmitting a message A including a physical random access channel (PRACH) and a physical uplink shared channel (PUSCH), and receiving a message B related to contention resolution in response to the message A. Transmission power for a retransmission of the message A is configured based on that a counter value related to the transmission power is incremented or maintained, the counter value is maintained based on that a transmission spatial filter related to the PRACH is changed for the retransmission of the message A, and the counter value is used for configuring the transmission power based on that the PRACH and the PUSCH are transmitted via the message A.