Disclosed is a radio frequency unit, including a power amplification module, a filtering module and a signal connector; where one end of the signal connector is connected to the filtering module, and the other end is connected to the power amplification module; the power amplification module is provided with a power amplification connector; a guide structure for guiding the power amplification connector to be coaxially aligned with the signal connector is formed on one end of the signal connector connected with the power amplification module; and through the guide structure, the power amplification connector is coaxially connected with the signal connector.

Disclosed is a radio frequency unit, including a power amplification module, a filtering module and a signal connector; where one end of the signal connector is connected to the filtering module, and the other end is connected to the power amplification module; the power amplification module is provided with a power amplification connector; a guide structure for guiding the power amplification connector to be coaxially aligned with the signal connector is formed on one end of the signal connector connected with the power amplification module; and through the guide structure, the power amplification connector is coaxially connected with the signal connector.

A user equipment and a communication method are provided. The user equipment includes a signal transceiver, a first antenna, a second antenna, a third antenna, and a power amplifier module. The signal transceiver applies a conversion between a baseband signal and a radio frequency signal. The first antenna is a primary antenna for receiving and transmitting RF signals. The second antenna is a diversity antenna for receiving RF signals. The third antenna is a low frequency antenna for transmitting signals in a specific low frequency band. The power amplifier module is electrically connected to the signal transceiver, the first antenna, and the third antenna. The power amplifier module amplifies the RF signal output by the signal transceiver and outputs same to either the first or third antenna.

A user equipment and a communication method are provided. The user equipment includes a signal transceiver, a first antenna, a second antenna, a third antenna, and a power amplifier module. The signal transceiver applies a conversion between a baseband signal and a radio frequency signal. The first antenna is a primary antenna for receiving and transmitting RF signals. The second antenna is a diversity antenna for receiving RF signals. The third antenna is a low frequency antenna for transmitting signals in a specific low frequency band. The power amplifier module is electrically connected to the signal transceiver, the first antenna, and the third antenna. The power amplifier module amplifies the RF signal output by the signal transceiver and outputs same to either the first or third antenna.

Aspects of this disclosure relate to detecting power associated with an individual carrier of a carrier aggregated signal. In an embodiment, an aggregated carrier including at least a first carrier and a second carrier is provided. An indication of power of the first carrier of the aggregated carrier is detected. Separately from detecting the indication of power of the first carrier, an indication of power of the second carrier of the aggregated carrier is detected. The power associated with a radio frequency (RF) signal provided to an RF source associated with the first carrier can be adjusted based on the indication of power of the first carrier.

Aspects of this disclosure relate to detecting power associated with an individual carrier of a carrier aggregated signal. In an embodiment, an aggregated carrier including at least a first carrier and a second carrier is provided. An indication of power of the first carrier of the aggregated carrier is detected. Separately from detecting the indication of power of the first carrier, an indication of power of the second carrier of the aggregated carrier is detected. The power associated with a radio frequency (RF) signal provided to an RF source associated with the first carrier can be adjusted based on the indication of power of the first carrier.

An apparatus and method for controlling wireless transmission. The apparatus, which controls a transmitter that provides an output signal by upconverting and amplifying an input signal, includes a memory configured to store first calibration data representing a saturation power and a linear gain of a reference transmitter as functions of operating conditions of the reference transmitter. A controller may be configured to estimate a saturation power and a linear gain of the transmitter of the apparatus based on operating conditions of the transmitter and the first calibration data. The controller may generate at least one control signal for controlling an operation of the transmitter based on a saturation power difference between the estimated saturation power and a target saturation power and a linear gain difference between the estimated linear gain and a target linear gain.

Various embodiments relate to an electronic device and a method for preventing interference between signals transmitted and received through first and second antennas. To this end, an electronic device according to various embodiments comprises, a first antenna and a second antenna, a battery, a wireless communication module having a coupler, and a processor electrically connected to the first antenna and second antennas, the battery, and the wireless communication module, wherein the processor can be configured to, measure, on the basis of a first signal transmitted and received through the first antenna, the magnitude of components, corresponding to a designated frequency band, of a coupling signal fed back from the coupler, compare the measured magnitude with a designated threshold value, and control at least some elements of the electronic device such that the measured magnitude is reduced to be less than or equal to the designated threshold value when the measured magnitude exceeds the designated threshold value. Other embodiments can also be possible.

A method and an apparatus for improving signal quality through noise detection in an electronic device are provided. The electronic device may include a power amplifier configured to amplify and output a transmitted signal, a noise detector configured to detect noise in a receiving band by the power amplifier and to output a power level of the detected noise, and a processor configured to acquire the power level of the noise through the noise detector, acquire control information to change the output power of the power amplifier based on the power level of the noise, and control the output power of the power amplifier based on the control information.

Methods and systems are provided for dynamically assigning a wireless communication protocol to one or more antenna elements of an antenna array. The methods can include receiving information associated with one or more user devices and, based on the received information, identifying one or more antenna elements of the antenna array, for switching between first and second wireless communication protocols. The methods can also include switching the one or more antenna elements between the first and second wireless communication protocols.