Methods and apparatuses for managing dual connectivity. A method for operating a UE includes receiving a configuration for dynamic power sharing (DPS) between transmissions on a master cell group (MCG) and transmissions on a secondary cell group (SCG) and determining a time offset as a function of sub-carrier spacing (SCS) configurations and of configurations for a PUSCH processing capability on the MCG and on the SCG. The method further includes determining a maximum power for a PUSCH transmission on the SCG, at a beginning of the PUSCH transmission on the SCG, when each of the transmissions on the MCG is scheduled by a downlink control information (DCI) format in a PDCCH reception that ends at least the time offset before the beginning of the PUSCH transmission on the SCG. The method further includes transmitting the transmissions on the MCG and the PUSCH transmission on the SCG.

A terminal including: a transmission unit that transmits a first message and a second message used in a 2-step random access procedure, the first message being transmitted via a physical random access channel and the second message transmitted via a physical uplink shared channel; and a control unit that determines a power control to be applied to the first message and the second message, according to a control based on a prioritization rule of power allocation applied to the first message or the second message, wherein the transmission unit retransmits the first message and the second message by applying the determined power control to the first message and the second message.

A terminal including: a transmission unit that transmits a first message and a second message used in a 2-step random access procedure, the first message being transmitted via a physical random access channel and the second message transmitted via a physical uplink shared channel; and a control unit that determines a power control to be applied to the first message and the second message, according to a control based on a prioritization rule of power allocation applied to the first message or the second message, wherein the transmission unit retransmits the first message and the second message by applying the determined power control to the first message and the second message.

A communication method includes receiving a first message from a first network device, and sending a second message to a terminal device. The first message includes random access related information. The second message indicates a first random access type that is usable in a random access procedure. The first random access type is a 2-step random access channel (RACH) or a 4-step RACH. The random access related information includes at least one of random access indication information useable to indicate the first random access type, random access capability information including information of a random access type supported by the terminal device, random access mode information useable to indicate a contention-based random access mode or contention-free random access mode in the random access procedure, an early downlink-data transmission indication useable to indicate to transmit a downlink data packet in the random access procedure, or a size of the downlink data packet.

A Power Headroom Report (PHR) reporting method, a PHR receiving method, a terminal, and a network device are provided. The method includes: reporting a PHR in a case that a preset reporting trigger condition is satisfied. The PHR includes a Power Headroom (PH) of a network node. The network node includes a neighboring network node, or a local network node and a neighboring network node.

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a wireless device. The wireless device receives a configuration for transmitting reference signals. The wireless device receives radio frequency (RF) signals transmitted between a base station and a user equipment (UE). The wireless device amplifies the RF signals to generate amplified RF signals. The wireless device forwards the amplified RF signals. The wireless device transmits the reference signals in accordance with the configuration.

Methods, systems, and devices for wireless communications are described. The method, system, or devices for wireless communications may implement receiving a grant for a first transmission scheduled for a first set of resources, the first transmission associated with a first transmission parameter; receiving an indication to cancel the first transmission; dropping the first transmission based on receiving the indication; determining a second transmission parameter for a second transmission based on the first transmission parameter and irrespective of dropping the first transmission; and performing or receiving the second transmission according to the second transmission parameter. Alternatively, a device may receive an indication to cancel the second transmission; drop the second transmission based on receiving the indication; and refraining from rescheduling the first transmission on the first set of resources based on receiving the indication and irrespective of dropping the second transmission.

Provided are a method and device for determining transmission power, a terminal and a storage medium. The method includes measuring a first reference signal and determining a pathloss of the first reference signal; determining a pathloss of the uplink transmission according to a type of the uplink transmission, an association relationship between the uplink transmission and the first reference signal, and the pathloss of the first reference signal; determining an power adjustment amount of the uplink transmission; and determining the transmission power of the uplink transmission according to at least one of the pathloss of the uplink transmission or the power adjustment amount of the uplink transmission.

Apparatuses, methods, and systems are disclosed for transmission power control. One method includes receiving a first configuration indicating a plurality of bandwidth parts on a first serving cell and configuration information corresponding to the plurality of bandwidth parts. The configuration information comprises an open-loop power control configuration, a closed loop power control configuration, or a combination thereof corresponding to each bandwidth part of the plurality of bandwidth parts. The method comprises receiving scheduling information for a first uplink transmission on a first bandwidth part of the plurality of bandwidth parts. The method comprises determining a first transmission power for the first uplink transmission based on the configuration information and the scheduling information. The method comprises performing the first uplink transmission with the first transmission power.

Apparatuses, systems, and methods for a wireless device to perform 2-step random access procedures. The disclosure identifies features of 2-step random access procedures including configuration (e.g., under what circumstances to use 2-step vs. 4-step random access), message design, fallback procedures, power ramping, backoff, and retransmission procedures.