A transmission filter includes a transmission filter circuit and an additional circuit. The transmission filter circuit defines a first signal path connecting a first terminal and a second terminal. The additional circuit is connected to a first node located between the first terminal and the transmission filter circuit on the first signal path and a second node located between the second terminal and the transmission filter circuit on the first signal path and defines a second signal path connecting the first node and the second node. The additional circuit includes, on the second signal path, a resonator group, a capacitive element, and an inductance element. The inductance element is electromagnetically coupled to the transmission filter circuit.

Aspects described herein include devices and methods with chain routing of signals for massive antenna arrays. In some aspects, an apparatus is provided that includes a first millimeter wave (mmW) transceiver having a first port, a second port, one or more antenna elements, a plurality of chain mmW transceiver ports, and switching circuitry. The switching circuitry is controllable by control data to route portions of a merged clock and data signal and a merged control and data signal between a first route between the one or more antenna elements and the first port and a second route between the one or more antenna elements and the second port and a third route between the first port and the plurality of chain mmW transceiver ports and a fourth route between the second port and the plurality of chain mmW transceiver ports.

A signal processing device includes a filter, configured to receive first data representing a signal for wireless transmission, modify the first data in a filter operation, and output second data as the modified first data; a peak detector, configured to detect third data representing a peak of the signal, wherein the third data are a subset of the first data; a signal canceller, configured to receive the third data and to generate fourth data representing a cancellation signal corresponding to the peak of the signal; and a peak modifier, configured to receive the second data and the fourth data, and to generate fifth data using the second data and the fourth data, wherein the fifth data represent the signal with a modified peak.

The disclosed systems, structures, and methods are directed to a wireless receiver. The configurations presented herein employ a structure operative to receive a plurality of analog signals, a signal encoding configured to encode the plurality of received analog signals into a single encoded analog composite signal based on a coding scheme having a low code rate, a signal reconstruction module configured to convert the single encoded digital composite signal into a high encode rate digital composite signal in accordance with the coding scheme having a high code rate. In addition, a signal decoder configured to decode the digital composite signals based on the coding scheme having the high code rate and to output digital signals corresponding to the received plurality of analog signals.

The disclosure relates to technology for an apparatus having a current conveyer comprising a first stage having a first differential input, and a second stage having a second differential input. The first and second stages are configured to operate in a push-pull mode to provide an output signal at a current conveyer output between the first stage and the second stage. The apparatus has a first frequency mixer configured to generate a first mixer signal based on an input signal and an oscillator signal having a first frequency. The first frequency mixer is configured to provide the first mixer signal to the first differential input. The apparatus has a second frequency mixer configured to generate a second mixer signal based on the input signal and a second oscillator signal having the first frequency. The second frequency mixer is configured to provide the second mixer signal to the second differential input.

A transmission filter includes a transmission filter circuit and an additional circuit. The transmission filter circuit defines a first signal path connecting a first terminal and a second terminal. The additional circuit is connected to a first node located between the first terminal and the transmission filter circuit on the first signal path and a second node located between the second terminal and the transmission filter circuit on the first signal path and defines a second signal path connecting the first node and the second node. The additional circuit includes, on the second signal path, a resonator group, a capacitive element, and an inductance element. The inductance element is electromagnetically coupled to the transmission filter circuit.

Disclosed are a broadcast signal receiver and an operation method thereof. When there are multiple broadcast signals representing the same broadcast content, the broadcast signal receiver calculates signal quality values of the respective broadcast signals, select one of the plurality of broadcast signals for a specific channel, on the basis of the signal quality values, and sets information of the selected broad cast signal as the specific channel in the channel map. Therefore, the broadcast signal receiver can prevent the number of channels from being increased due to a plurality of same channels and can provide a higher quality image to the user.

The disclosed systems, structures, and methods are directed to a wireless receiver. The configurations presented herein employ a structure operative to receive a plurality of analog signals, a signal encoding configured to encode the plurality of received analog signals into a single encoded analog composite signal based on a coding scheme having a low code rate, a signal reconstruction module configured to convert the single encoded digital composite signal into a high encode rate digital composite signal in accordance with the coding scheme having a high code rate. In addition, a signal decoder configured to decode the digital composite signals based on the coding scheme having the high code rate and to output digital signals corresponding to the received plurality of analog signals.

A system for calibration of a global navigation satellite system simulator, comprising a radio frequency component, a digital-to-analog conversion component, and a digital baseband component. The digital baseband component is configured to provide signals assigned to at least two sub-bands, each representing a global navigation satellite system band. The digital baseband component comprises at least one numerically controlled oscillator component that is configured to synchronize the signals assigned to the at least two sub-bands in order to provide at least two synchronized sub-bands. The digital baseband component is configured to add the signals assigned to the at least two synchronized sub-bands. Further, a method of calibrating a global navigation satellite system simulator is described.

The disclosure relates to technology for an apparatus having a current conveyer comprising a first stage having a first differential input, and a second stage having a second differential input. The first and second stages are configured to operate in a push-pull mode to provide an output signal at a current conveyer output between the first stage and the second stage. The apparatus has a first frequency mixer configured to generate a first mixer signal based on an input signal and an oscillator signal having a first frequency. The first frequency mixer is configured to provide the first mixer signal to the first differential input. The apparatus has a second frequency mixer configured to generate a second mixer signal based on the input signal and a second oscillator signal having the first frequency. The second frequency mixer is configured to provide the second mixer signal to the second differential input.