Describes a failures detection system (1) of a plurality of transmitting antennas of television and/or radio signals. The system includes a power divider (15) configured to receive a television and/or radio signal (STV) and from this generate a first plurality (si1, si2, SI3, SI4) of television and/or radio signals, and includes a plurality of directional couplers (10, 11, 12, 13) configured to receive the first plurality of television and/or radio signals and from these generate a corresponding second plurality (So1, So2, So3, So4) of television and/or radio signals. The plurality of directional couplers includes respective first power sensors (40) configured to generate a third plurality (s.sub.pd1, s.sub.pd2, s.sub.pd3, s.sub.pd4) of signals indicative of the direct power transmitted to the plurality of antennas and comprises respective second sensors of power (41) configured to generate a fourth plurality (s.sub.pr1, s.sub.pr2, s.sub.pr3, s.sub.pr4) of signals indicative of the reflected power from the plurality of antennas. The system further includes a signal concentrator (21) configured to receive the third plurality of signals indicative of the direct power and the fourth plurality of signals indicative of the reflected power and generate a multiplexed signal (smx) carrying the third and fourth plurality of signals. The system further includes a processing module (22) configured to receive the multiplexed signal, compare the values of the third plurality of signals indicative of the direct power and of the fourth plurality of signals indicative of the reflected power with respective reference values, generate a signal (sa1) indicative of a failure of at least one of the plurality of antennas in the case in which at least one of the values of the fourth plurality of signals indicative of the reflected power is greater than the respective reference value, and generate the signal (sa1) indicative of a failure of the power divider (15) in the case in which at least one of the values of the third plurality of signals indicative of the direct power is less than the respective reference value.

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 self-calibrating transmission line resonator oscillating driver apparatus, including: a first output driver module configured to transmit a first forward signal along a transmission line; a second output driver module configured to transmit a second forward signal along the transmission line; a first reflection detection module configured to detect a first return signal of the first forward signal reflected along the transmission line; and a second reflection detection module configured to detect a second return signal of the second forward signal reflected along the transmission line; wherein, when the first reflection detection module detects the first return signal of the first forward signal reflected along the second direction of the transmission line, providing a signal to i) change a power state of the first output driver module to an off-power state and to ii) change a power state of the second output driver module to an on-power state.

The present disclosure relates to a method, electronic device, medium and apparatus for setting transmit power of a wireless signal. A method for setting transmit power of a wireless signal, comprises: receiving, by an electronic device, information indicating a coverage range of the wireless signal and obstacle information within the coverage range of the wireless signal which are inputted via a graphical user interface, wherein the obstacle information at least comprises obstacle material type information indicating a material type of an obstacle to be passed by the wireless signal transmission; determining, by the electronic device, a transmission loss of the wireless signal based on the obstacle information; setting, by the electronic device, transmit power Pt of the wireless signal based on the information indicating the coverage range of the wireless signal and the determined transmission loss of the wireless signal; and causing, by the electronic device, a wireless signal transmitter transmitting the wireless signal with the set transmit power Pt.

A system that incorporates teachings of the subject disclosure may include, for example, accessing a group of de-coupling data stored in a memory of a communication device where the group of de-coupling data is mapped to corresponding use cases associated with the communication device, selecting de-coupling data from among the group of de-coupling data according to a determined use case of the communication device, generating a pre-distortion signal according to the selected de-coupling data, combining the pre-distortion signal with RF signals to generate pre-distorted RF signals, and transmitting the pre-distorted RF signals via a multi-port antenna of the communication device. Other embodiments are disclosed.

A test system for monitoring the performance of a radio frequency signal generator is introduced. The system operates to predict approaching or imminent failure of the radio frequency generator. The system includes a directional coupler, a first detector, a second detector, and a processor to collect, process, and analyze data from the radio frequency generator under test.

A filtered electromagnetic coupler includes a main transmission line extending between an input port and an output port, and a coupled line section extending between a coupled port and an isolation port. The coupler is configured to couple signal power from the main transmission line to provide coupled signals at the coupled port, and a filter subsystem is connected to the coupled port to filter the coupled signals. The filter subsystem includes filters configured to pass or reject coupled signals by frequency, and the filter subsystem provides the filtered output signal to a measurement node.

An over the air measurement module comprises an antenna, adapted to receive a first measuring signal from a device under test or to transmit a second measuring signal to the device under test. It also comprises an analog signal processor, directly connected to said antenna, adapted to reduce a frequency of the received first measuring signal, resulting in a frequency reduced first measuring signal, or adapted to increase a frequency of a frequency reduced second measuring signal, resulting in the second measuring signal. It also has a connector connected to said analog signal processor and is adapted to output the first frequency reduced measuring signal or is adapted to receive the second frequency reduced measuring signal.

Embodiments relate to machines comprising a movable part, transceiver circuitry configured to transmit a radio signal towards the movable part and to receive a reflection of the radio signal from the movable part, evaluation circuitry configured to determine a position or a speed of the movable part based on at least the received radio signal. A distance between an antenna of the transceiver circuitry and the movable part is less than 5 cm.

An over the air measurement module comprises an antenna, adapted to receive a first measuring signal from a device under test or adapted to transmit a second measuring signal to the device under test. Furthermore, the over the air measurement module comprises a mixer, directly connected to said antenna, adapted to reduce or increase a frequency of the received first measuring signal, resulting in a frequency reduced or increased first measuring signal, or adapted to increase or reduce a frequency of a frequency reduced or increased second measuring signal, resulting in the second measuring signal. In addition to this, the over the air measurement module comprises a first connector, connected to said mixer, adapted to input a local oscillator signal into the mixer for frequency conversion.