An electronic device may comprise a plurality of antennas, at least one processor, and an RF circuit. The at least one processor may be configured to identify at least one channel measurement configuration associated with a second RAT different from a first RAT in a state in which the electronic device is connected to a first communication network based on the first RAT, perform measurement on at least one measurement object identified based on at least some of the at least one channel measurement configuration, using at least one first antenna among the plurality of antennas, detect an event requiring a switch of an antenna for performing the measurement, and control the RF circuit to perform the measurement, using at least one second antenna different from the at least one first antenna among the plurality of antennas, based on detection of the event.

According to various embodiments, an electronic device may include multiple antennas, at least one antenna tuning circuit connected to at least one antenna among the multiple antennas, and at least one communication processor, wherein the at least one communication processor receives, through a first antenna among the multiple antennas, a signal transmitted from a base station based on multiple-input and multiple-output (MIMO), receives, through a second antenna among the multiple antennas, a signal transmitted from the base station based on the MIMO, and when a strength of a first signal received through the first antenna or a strength of a second signal received through the second antenna is equal to or greater than a first threshold value, determines whether an imbalance condition of the first signal and the second signal is satisfied, and adjusts, when the imbalance condition is satisfied, a setting value of the at least one antenna tuning circuit so as to reduce a difference between the strength of the first signal and the strength of the second signal. Various other embodiments are possible.

The present disclosure relates to a method for operating a communication device of a motor vehicle. The communication device communicates with at least one other motor vehicle or at least one stationary receiver, wherein for this purpose, a wireless communication connection based on linearly polarized electromagnetic waves is used. In order to use the communication connection, a transmission signal is transmitted with a specified transmission power by the communication device, and the transmission power is reduced on the basis of the reception of a reception signal by means of the communication device, said reception signal using electromagnetic waves which are at least partly orthogonally polarized relative to the linearly polarized electromagnetic waves.

The present invention provides a control method of an electronic device is disclosed, wherein the electronic device includes a first antenna and a second antenna. The control method includes the steps of: setting one of the first antenna and the second antenna as a default antenna; receiving a plurality of packets within an interval; for each of the plurality of packets, comparing a signal strength corresponding to the first antenna and a signal strength of the second antenna to generate a first comparison result; updating a first value or a second value according to the first comparison result; wcomparing the first value and the second value to generate a second comparison result when running out the interval; and selecting one of the first antenna and the second antenna to be the default antenna according to the second comparison result.

Systems, methods, apparatuses, and computer program products for beam prediction by a user equipment using angle assistance information are provided. For example, a method can include receiving assistance information from a network and measuring a plurality of reference signal transmissions from the network. The method can also include predicting best beam or reference signal received power using a model at a user equipment. The assistance information and the measurements of the plurality of reference signal transmissions are input to the model. Reporting the best beam or reference signal received power as predicted to the network can also be performed.

A radio transceiver includes a plurality of spatially separated radiating elements and a plurality of radio frequency front-ends, where each radiating element is associated with a radio frequency front-end of a plurality radio frequency front-ends. The radio transceiver includes a plurality of received signal sensors, where each received signal sensor is coupled to one or more radiating elements and where each received signal sensor is adapted to output a signal representative of a received signal strength for the one or more radiating elements. The radio transceiver further includes one or more processors coupled to the received signal sensors and adapted to receive the signal representative of a received signal strength from each received signal sensor and is further adapted to provide a control signal for changing a power mode for a set of radio frequency front-ends of the plurality radio frequency front-ends based on the received signal strength signal.

Embodiments of the present invention provide methods and devices for performing wireless sensing operations that can accommodate different Rx frequency responses with minimum PHY changes to increase the performance and reliability of wireless sensing in wireless local area network (WLAN) networks. Rx frequency response information can be obtained as channel state information (CSI) in a loopback test and can further be normalized with the total gain in the receiver chain leading to CSI estimation. Moreover, different Rx frequency responses can be categorized into limited groups with underlying circuit conditions based on their frequency response variations. The different Rx frequency responses can be indicated in subfields of a CSI report transmitted to the sensing initiator for performing sensing operations with the sensing responder.

A power detector for detecting the RMS power of an AC voltage includes a transconductor configured to receive the AC voltage and to provide a first current to a node with a non-linear relation between the first current and the voltage. A current output digital to analog converter is configured to receive a digital signal and to provide a second current to the node. A low pass filter is coupled to the node, and an inverter is coupled to the node and configured to provide a binary signal.

Devices, methods and computer readable medium for two-part feedback information transmission in wireless communications are provided. The two-part feedback information transmission is adopted, e.g., for improved downlink multiple-input and multiple-output (MIMO) precoding in time-division duplex (TDD)-based communication systems. The feedback information transmission allows compensating for adverse effects of incomplete UL-DL reciprocity for DL MIMO precoding caused by mismatched DL and UL channel measurements. The feedback information transmission being two-part allows low overhead for the feedback information.

A testing system for a modulator includes a radio frequency (RF) generator, an optical power meter, and an electrical power meter. The RF generator is configured to generate and provide a first plurality of RF signals and a second plurality of RF signals, wherein the first plurality of RF signals and the second plurality of RF signals are associated with a plurality of frequencies. The optical power meter is configured to measure an optical power of an output optical signal, which is modulated by the modulator based on the first plurality of RF signals, to facilitate determination of a transmission response measurement of the modulator for each frequency of the plurality of frequencies. The electrical power meter is configured to measure a portion of each RF signal of the second plurality of RF signals to facilitate determination of a reflectance response measurement of the modulator for each frequency.