A disclosure of this specification provides a device configured to operate in a wireless system, the device comprising: dual transceiver; a processor operably connectable to the dual transceiver, wherein the processor is configured to: set a configured maximum output power based on a maximum power reduction (MPR) value; determine an uplink transmission power based on the configured maximum output power; and control the dual transceiver to transmit a uplink signal with the uplink transmission power, wherein the device supports power class 1.5, wherein the MPR value is for Inner RB allocations, wherein the MPR value is preconfigured based on modulation type for the uplink signal.

The present disclosure provides a method for reducing a spurious-emission interference, comprising: determining a target link in wireless communication mode, a value of a spurious-emission effect evaluation parameter of the target link in wireless communication mode exceeding a preset range; detecting whether the spurious-emission effect evaluation parameter is an impact factor for a throughput performance evaluation parameter of the target link in wireless communication mode; determining at least one cause factor causing the value of the spurious-emission effect evaluation parameter to exceed the preset range; and controlling a preset spurious-emission regulation module matching the cause factor to regulate the cause factor, so that the value of the spurious-emission effect evaluation parameter is within the preset range.

A terminal including: a control unit configured to compare a power reduction total value that is reduced from a maximum transmission power value determined based on a power class and that does not include a power reduction value for adjusting the power class with a predetermined value, and to calculate a lower limit value of a maximum transmission power by setting the power reduction value for adjusting the power class as 0 dB when the power reduction total value is greater than the predetermined value; and a transmission unit configured to perform uplink transmission using a maximum transmission power value equal to or greater than the lower limit value.

A terminal including: a control unit configured to compare a power reduction total value that is reduced from a maximum transmission power value determined based on a power class and that does not include a power reduction value for adjusting the power class with a predetermined value, and to calculate a lower limit value of a maximum transmission power by setting the power reduction value for adjusting the power class as 0 dB when the power reduction total value is greater than the predetermined value; and a transmission unit configured to perform uplink transmission using a maximum transmission power value equal to or greater than the lower limit value.

Systems and methods are provided for redundant antenna systems and methods of managing the power allocated thereto. A redundant antenna system comprises a first antenna array and a second antenna array, wherein each of the first and second antenna arrays are oriented to transmit downlink signals to different geographic areas. A first set of antenna elements of the first antenna array and a second set of antenna elements of the second antenna array are powered by a common power supply. In a normal operating mode, the power supply only powers the first set of antenna elements and in aspects of a redundant operating mode used to serve a degraded geographic service area, the power supply powers both the first set of antenna elements and the second set of antenna elements.

Provided is a method performed by a user equipment (UE) in a wireless communication system, the method including receiving, from a base station, higher layer configuration information including information associated with a sounding reference signal (SRS) resource set and downlink control information (DCI) including scheduling information for a physical uplink shared channel (PUSCH), identifying, from the DCI, a plurality of SRS resource indicators (SRIs) for PUSCH repetition in case that two SRS resource sets are configured by the information associated with the SRS resource set, identifying an SRS resource for the PUSCH repetition based on the plurality of SRIs, determining a power headroom report (PHR) between a first PHR based on actual transmission and a second PHR based on a reference format configured from the higher layer configuration information, and transmitting the determined PHR on the PUSCH.

An aspect of the present disclosure is directed to a network node for performing communication in a wireless communication network. The network node is configured to receive a signal transmitted by a user device in the wireless communication network, measure a received power level at which the signal is received by the network node, determine, based on a predefined transmit power level of the network node, based on a predefined transmit power level of the user device and based on the received power level, a threshold power level for a clear channel assessment to be performed by the user device, and trigger transmitting an indication of the threshold power level to the user device. Further aspects of the disclosure pertain to a user device, methods and a computer program product.

An apparatus for use by a communication network control element or function configured to conduct a radio resource management, the apparatus being configured to cause the apparatus at least: to acquire input parameters; to process the input parameters by using a first-stage procedure for maximizing a weighted sum-rate for a fixed subcarrier allocation for all subcarriers, and a second-stage procedure for determining a power allocation for a single subcarrier under consideration of specified multiplexing and interference cancellation constraints wherein a processing result output from the first-stage procedure is input into the second-stage procedure, and a processing result output from the second-stage procedure is returned to the first-stage procedure; and to output, on the basis of results of the processing in the first-stage procedure and the second-stage procedure, a power setting for at least one subcarrier.

A mobile ad hoc network (MANET) includes a first MANET node having a first radio frequency (RF) transceiver and a first controller coupled thereto to generate RF transmissions. A second MANET node has a second RF transceiver configured to communicate with the first RF transceiver, and a second controller coupled to the second RF transceiver. The second controller is configured to cooperate with the second RF transceiver to receive the RF transmissions from the first MANET node, generate a normalized reception value based upon the received RF transmissions and send the normalized reception value to the first MANET node. The first controller is configured to control a transmit power level for a subsequent RF transmission based upon the normalized reception value from the second MANET node.

A terminal for communicating with a base station apparatus is disclosed, the terminal including a controller that sets maximum transmission power based on an Effective Isotropic Radiated Power (EIRP) of the terminal; and a transmitter that transmits an uplink signal based on the maximum transmission power. In other aspects, a communication method by a terminal for communicating with a base station apparatus is also disclosed.