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.

An electronic device according to various embodiments of the present invention may comprise a transmission module including a first transmission module and a second transmission module, and a processor. The processor may feedback-receive a transmission power of the first transmission module, calculate a difference value between a target transmission power and the transmission power of the first transmission module, determine a state of the first transmission module on the basis of the difference value, and turn off a transmission operation of the first transmission module and activate a transmission operation of the second transmission module in accordance with the determination that the state of the first transmission module is abnormal. Various other embodiments are possible.

The disclosure relates to a pre-5.sup.th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4.sup.th-Generation (4G) communication system, such as Long Term Evolution (LTE). A power distribution apparatus in a wireless communication system is provided. The apparatus includes at least one transceiver, and at least one processor, wherein the at least one processor is configured to identify a cell group set for a particular transmission interval among multiple cell groups connected to a terminal, perform a distribution of a power for the terminal to each of cell groups in the cell group set, and transmit power allocation information according to a result of the distribution to the terminal, wherein the cell group set includes a cell group including one or more cells in which uplink transmission is to be performed at the particular transmission interval.

The invention relates to methods for adjusting the transmit power utilized by a mobile terminal for uplink transmissions, and to methods for adjusting the transmit power used by a mobile terminal for one or more RACH procedures. The invention is also providing apparatus and system for performing these methods, and computer readable media the instructions of which cause the apparatus and system to perform the methods described herein. In order to allow for adjusting the transmit power of uplink transmissions on uplink component carriers, the invention suggests introducing a power scaling for uplink PRACH transmissions performing RACH procedures on an uplink component carrier. The power scaling is proposed on the basis of a prioritization among multiple uplink transmissions or on the basis of the uplink component carriers on which RACH procedures are performed.

Embodiments of the present disclosure are directed to applying the higher effective isotropic radiated power (EIRP) limits that are set to subordinate devices to client devices that meet indoor constrains to form their own networks concurrently to operate as a client under the control of indoor access point (AP). Other embodiments may be described and claimed.

A method of controlling transmission power for wireless communication includes obtaining detected transmission power; generating a state variable and a reward variable of a reinforcement learning model based on the detected transmission power, threshold transmission power, and a channel state; and training a reinforced learning agent based on the state variable and the reward variable to output an action variable of the reinforcement learning model representing the transmission power.

A base station central unit transmits to a first base station distributed unit (BS-DU), a first power value for uplink transmission of a wireless device to the first BS-DU. A second request to add the second BS-DU for the wireless device is transmitted to a second BS-DU. The second request comprises a second power value for uplink transmission of the wireless device to the second BS-DU. A third power value for uplink transmission of the wireless device to the first BS-DU is transmitted to the first BS-DU. The third power value is based on the second power value.

Embodiments of the present disclosure provide methods, devices and computer readable media for communication. In a method implemented at a network device, the method comprising allocating, at a network device, available resource block groups RBGs to a plurality of terminal devices; determining the number of shared RBGs in the available RBGs, the shared RBGs being shared by the plurality of terminal devices; determining a sum of shared number of the shared RBGs per each of the plurality of terminal devices; determining an average value of the transmit power base on the number of available RBGs and a total power of the network device, the average value indicating a basic power allocated by the network device to the plurality of terminal devices; determining an offset value of a transmit power for each of the plurality of terminal devices based on the number of shared RBGs, the sum of the shared number and the average value; and determining a target value of the transmit power for each of the plurality of terminal devices based on the offset value and the average value.

Embodiments of the present disclosure relate to methods, devices and computer readable storage media for data transmission in a multicarrier system. A transmitting device determines, based on a total power constraint of a set of subchannels between the transmitting device and a receiving device, channel gain and noise power of each of the set of subchannels, and a candidate set of discrete effective power assignments used for each of the set of subchannels, a polygon region comprising a set of discrete operating points each of which represents a rate-power budget pair determined by an optimal discrete power distribution over the set of subchannels with an associated Lagrange multiplier; determines a concave fitting curve in the polygon region to predict the convex hull of the set of the discrete operating points; determines a first Lagrange multiplier based on the fitting curve and the total power constraint; and determines, based on the first Lagrange multiplier, a first optimal discrete power distribution for the data transmission over the set of subchannels. As such, power assignment among the set of subchannels in multicarrier transmission can be efficiently and optimally attained.

An operation method of a first distributed terminal, in a synchronized wireless distributed communication system which has a plurality of communication resources configured with a plurality of channels having different center frequencies and includes the first distributed terminal and a second distributed terminal, may comprise receiving slots mapped to the communication resources in a resource allocation channel having a center frequency independent from the plurality of channels; measuring communication environments of the communication resources by using a mapping relationship between the received slots of the resource allocation channel and the communication resources; selecting a first communication resource to be allocated using the measured communication environments of the communication resources; allocating the selected first communication resource; and continuously occupying the allocated first communication resource.