Abstract: A device includes a port and a transformer. The transformer includes a first coil that has a first node and a second node and a second coil that is coupled to the output port. The device also includes a pulse generator coupled to the first node to generate two or more pulses with a first period on the first node and a delay module that is coupled between the second node of the first coil and the pulse generator. The delay module is generates a time delay to the two or more pulses of the pulse generator before the two or more pulses are delivered to the second node. The second coil provides a signal at the port.

Abstract: An antenna unit is configured to transmit and/or receive signals and is connected to transmitting/receiving unit via a signal cable. A control device is configured to adjust signal strength by modifying gain of the control device. A calibration signal is provided by the transmitting/receiving unit and the signal strength of the calibration signal is used to adjust the gain of the control device.

Abstract: The disclosure relates to a circuit arrangement for transmitting uplink and downlink signals between at least one terminal device and at least one antenna, wherein the circuit arrangement comprises a signal coupler for providing a decoupled uplink or downlink signal, a device for providing a reference signal of adjustable frequency, a mixer for mixing the decoupled signal and the reference signal and a filter device for low-pass or bandpass filtering of the mixed signal, wherein the circuit arrangement comprises an evaluation device for evaluating the filtered signal, wherein, depending on the adjusted frequency of the reference signal and on at least one signal property of the filtered signal, a frequency band or channel in which the transmitted signal is being transmitted can be identified, and also to a method for identifying a frequency band or channel.

Abstract: A transmitter includes a first digital-to-analog converter (DAC) circuit consisting of a first set of unary cells to mix a first set of digital input data with a first clock signal. A second DAC circuit includes a second set of unary cells to mix a second set of digital input data with a second clock signal. A third circuit provides signals to the first DAC circuit and the second DAC circuit to implement an assignment scheme to assign either an in-phase (I) component or a quadrature (Q) component to the first set of unary cells and the second set of unary cells. Based on the assignment scheme, the first set of digital input data include I-data and Q-data, and the second set of digital input data include I-data and Q-data.

Abstract: A device includes a port and a transformer. The transformer includes a first coil that has a first node and a second node and a second coil that is coupled to the output port. The device also includes a pulse generator coupled to the first node to generate two or more pulses with a first period on the first node and a delay module that is coupled between the second node of the first coil and the pulse generator. The delay module is generates a time delay to the two or more pulses of the pulse generator before the two or more pulses are delivered to the second node. The second coil provides a signal at the port.

Abstract: A transmitter includes a first digital-to-analog converter (DAC) circuit consisting of a first set of unary cells to mix a first set of digital input data with a first clock signal. A second DAC circuit includes a second set of unary cells to mix a second set of digital input data with a second clock signal. A third circuit provides signals to the first DAC circuit and the second DAC circuit to implement an assignment scheme to assign either an in-phase (I) component or a quadrature (Q) component to the first set of unary cells and the second set of unary cells. Based on the assignment scheme, the first set of digital input data include I-data and Q-data, and the second set of digital input data include I-data and Q-data.

Abstract: An antenna unit is configured to transmit and/or receive signals and is connected to transmitting/receiving unit via a signal cable. A control device is configured to adjust signal strength by modifying gain of the control device. A calibration signal is provided by the transmitting/receiving unit and the signal strength of the calibration signal is used to adjust the gain of the control device.

Abstract: An antenna unit is configured to transmit and/or receive signals and is connected to transmitting/receiving unit via a signal cable. A control device is configured to adjust signal strength by modifying gain of the control device. A calibration signal is provided by the transmitting/receiving unit and the signal strength of the calibration signal is used to adjust the gain of the control device.

Abstract: Disclosed are exemplary methods and devices (e.g., circuits, compensators, low-gain signal boosters, repeaters, signal amplifier devices, etc.) for providing time division duplexing synchronized compensation between a terminal device (e.g., mobile phone, user equipment within a vehicle, a coupling antenna on a wireless charger, etc.) and an antenna (e.g., a vehicle roof antenna, etc.) or antenna connection, etc. In an exemplary embodiment, a circuit includes at least one detector, at least one control unit, at least one uplink path including at least one transmission amplifier, and at least one downlink path including at least one reception amplifier. The uplink and downlink paths are configured to be operable for respectively amplifying uplink and downlink signals having a same frequency according to time division duplexing. The control unit is configured to be operable for activating the uplink path and deactivating the downlink path before an uplink signal is transmitted by a terminal device.

Abstract: A circuit arrangement capable of adjusting signal parameters of a plurality of signals that is transmitted between one or more terminals and one or more antennas is provided. The circuit arrangement is configured to separate a common signal path for the plurality of signals into a plurality of individual signal paths, wherein two or more signal paths of the plurality of signal paths are configured to carry different single signals. A signal adjusting section is configured to independently adjusting one or more signal parameters for two or more single signals.

Abstract: Methods and devices are disclosed for amplifying radio signals between a terminal and an antenna or an antenna connection of a circuit having an amplification unit and a detector unit, which has signal branches designed for different frequency ranges, and a power detector. A transmission signal received by the terminal is divided into at least a first signal part and a second signal part. The first signal part is applied to the signal branches of the detector unit. A frequency range of the first signal part is determined by sequential application of the signal branches of the detector unit to the power detector for evaluating a power of the first signal part. For the second signal part, the signal routing in the amplification unit is adjusted based on the frequency range determined by the detector unit. At least the second signal part is amplified by the amplification unit.

Abstract: The disclosure relates to a circuit arrangement for transmitting uplink and downlink signals between at least one terminal device and at least one antenna, wherein the circuit arrangement comprises a signal coupler for providing a decoupled uplink or downlink signal, a device for providing a reference signal of adjustable frequency, a mixer for mixing the decoupled signal and the reference signal and a filter device for low-pass or bandpass filtering of the mixed signal, wherein the circuit arrangement comprises an evaluation device for evaluating the filtered signal, wherein, depending on the adjusted frequency of the reference signal and on at least one signal property of the filtered signal, a frequency band or channel in which the transmitted signal is being transmitted can be identified, and also to a method for identifying a frequency band or channel.

Abstract: The invention relates to a circuit arrangement and a method for operating a circuit arrangement for transmitting up-link and downlink signals between a terminal (2) and an antenna (3), wherein: the circuit arrangement (I) comprises at least one first uplink path (SP1, . . . , SP5, SPn) for transmitting a first uplink signal and a first downlink path (EP1) for transmitting a first downlink signal; the circuit arrangement (I) comprises means for providing the uplink signals and the downlink signals and means for detecting at least one uplink signal; the circuit arrangement (I) comprises means for establishing an activated state of the uplink path (SP1, . . . , SP5, SPn) to which the detected uplink signal is assigned; the circuit arrangement (I) comprises at least one further downlink path (EP2, . . . , EP5, EPn) for transmitting a further downlink signal and comprises means for establishing a simultaneously activated state of at least two downlink paths (EP1, . . .

Abstract: A circuit arrangement capable of adjusting signal parameters of a plurality of signals that is transmitted between one or more terminals and one or more antennas is provided. The circuit arrangement is configured to separate a common signal path for the plurality of signals into a plurality of individual signal paths, wherein two or more signal paths of the plurality of signal paths are configured to carry different single signals. A signal adjusting section is configured to independently adjusting one or more signal parameters for two or more single signals.

Abstract: An antenna unit is configured to transmit and/or receive signals and is connected to transmitting/receiving unit via a signal cable. A control device is configured to adjust signal strength by modifying gain of the control device. A calibration signal is provided by the transmitting/receiving unit and the signal strength of the calibration signal is used to adjust the gain of the control device.

Abstract: In certain embodiments, enhancement of a vision of a user may be facilitated. In some embodiments, a visual test presentation including a set of stimuli may be provided to a user. Feedback related to the set of stimuli may be obtained during the visual test presentation. The feedback may be provided to a prediction model, and the prediction model may be configured based on the feedback. Subsequent to the configuring of the prediction model, live video stream data, eye characteristic information, or other information may be provided to the prediction model to obtain a set of modification parameters. A modified version of the live video stream data may be generated and displayed to the user based on the live video stream and the set of modification parameters.

Abstract: In certain embodiments, enhancement of a vision of a user may be facilitated. In some embodiments, a visual test presentation including a set of stimuli may be provided to a user. Feedback related to the set of stimuli may be obtained during the visual test presentation. The feedback may be provided to a prediction model, and the prediction model may be configured based on the feedback. Subsequent to the configuring of the prediction model, live video stream data, eye characteristic information, or other information may be provided to the prediction model to obtain a set of modification parameters. A modified version of the live video stream data may be generated and displayed to the user based on the live video stream and the set of modification parameters.

Abstract: Methods and devices are disclosed for amplifying radio signals between a terminal and an antenna or an antenna connection by means of a circuit arrangement, having an amplification unit and a detector unit, which has signal branches designed for different frequency ranges, and a power detector. A transmission signal received by the terminal is divided into at least a first signal part and a second signal part. The first signal part is applied to the signal branches of the detector unit. A frequency range of the first signal part is determined by sequential application of the signal branches of the detector unit to the power detector for evaluating a power of the first signal part. For the second signal part, the signal routing in the amplification unit is adjusted based on the frequency range determined by the detector unit. At least the second signal part is amplified by the amplification unit.

Abstract: In certain embodiments, enhancement of a field of view of a user may be facilitated via one or more dynamic display portions. In some embodiments, one or more changes related to one or more eyes of a user may be monitored. Based on the monitoring, one or more positions of one or more transparent display portions of wearable device may be adjusted, where the transparent display portions enable the user to see through the wearable device. A live video stream representing an environment of the user may be obtained via the wearable device. A modified video stream derived from the live video stream may be displayed on one or more other display portions of the wearable device.

Abstract: In certain embodiments, image data modifications may be facilitated for dynamic vision defects. In some embodiments, one or more eyes of a user may be monitored while a set of stimuli are displayed to the user. Feedback related to the set of stimuli may be obtained, where the feedback indicates (i) whether or how the user sees one or more stimuli of the set or (ii) one or more characteristics related to the eyes that occurred when such stimuli are displayed. A set of modification profiles associated with the user may be generated based on the feedback, where each modification profile of the set (i) is associated with eye-related characteristics and (ii) includes modification parameters to be applied to an image to modify the image for the user when eye-related characteristics of the user matches the associated eye-related characteristics.