Abstract: For a scalable filtering infrastructure, a library of filters each usable at different control rates is provided by defining filters in a continuous time mode despite eventual use for digital filtering. For implementation, a filter is selected and discretized for the desired control rate. The discretized filter is then deployed as a discrete time realization for convolution. In a distributed system with multiple control rates, the library may be used to more rapidly and conveniently generate the desired filters.

Abstract: Frequency ranges may be converted by an apparatus including a converter configured to shift an original frequency range of an input data signal to a target frequency range, an input band selective filter bank configured to route the input data signal through a bandpass filter of a selected subrange within the target frequency range, the input selective filter bank including a plurality of bandpass filters, each bandpass filter having a corresponding subrange within the target frequency range.

Abstract: A digital pre-distortion processing method and an electronic device are provided. The method is performed by an electronic device and includes: detecting a standing wave status of an antenna of the electronic device; obtaining a calibration result through digital pre-distortion calibration in a case that the standing wave status satisfies a preset working condition; and determining whether to enable a digital pre-distortion function according to the calibration result.

Abstract: Systems and methods for a non-data-aided (NDA) approach to advanced OFDM timing are provided. This approach allows for accurate OFDM symbol timing and synchronization by avoiding inter-symbol interference (ISI) in multipath environments where an earliest arriving signal may not be the strongest signal. The NDA approach may rely on generating and applying a bias correction to a combined correlation result of the multi-path signals.

Abstract: Various embodiments relate to a next-generation wireless communication system for supporting a higher data transfer rate and the like beyond the 4th generation (4G) wireless communication system. According to various embodiments, a method for transmitting/receiving a signal in a wireless communication system and an apparatus supporting same may be provided, and various other embodiments may also be provided.

Abstract: A system includes a first device, coupled to a link, which transmits a signal having a repeating pattern on one or more paths of the link. The system includes a second device coupled to the link and including one or more circuits and a time-to-digital converter (TDC). The second device is to receive at the one or more circuits the signal. The second device is to determine, by the TDC, a current duty cycle of the signal, the current duty cycle having a first duration associated with a first portion of the signal and a second duration associated with a second portion of the signal. The second device is further to determine the current duty cycle fails to satisfy a condition associated with a target duty cycle in response to determining the current duty cycle of the signal and adjust the current duty cycle to obtain an adjusted duty cycle.

Abstract: A radio frequency (RF) communications system may include a first RF node that transmits data, including a new frequency of operation, and a sequence of pilot symbols spread with a complex spreading code sequence. A second RF node may receive an incoming signal from the first RF node and perform despreading for N sample offset delays to generate N despreading sequences for the sequence of pilot symbols. The second RF node may perform a cross-correlation to select a desired despreading sequence from the N despreading sequences, determine a phase offset and timing offset, process the incoming signal based upon the desired despreading sequence, phase offset and timing offset, and switch to the new frequency of operation.

Abstract: A method comprising transmitting signals to one or more communications devices within a radio coverage area provided by infrastructure equipment, the infrastructure equipment forming either part of a non-terrestrial network of a wireless communications network and wherein the radio coverage area forms a spot beam of the non-terrestrial network, or part of a terrestrial network and wherein the radio coverage area is a cell of a terrestrial network, wherein the transmitting the signals includes transmitting signalling information indicating that one or more neighbouring coverage areas to the radio coverage area provided by the infrastructure equipment are either formed by a spot beam of a non-terrestrial network, a spot beam of the non-terrestrial network of which the infrastructure equipment forms part, a cell of a terrestrial network or a cell of the terrestrial network of which the infrastructure equipment forms part.

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: Provided are a capability information feedback method and apparatus, and a channel state information feedback method and apparatus. The capability information feedback method comprises: transmitting, by a first communication node, capability information to a second communication node, where the capability information is used for indicating a capability of the first communication node; and receiving, by the first communication node, parameter signaling which is transmitted by the second communication node and corresponds to the capability of the first communication node. Through the method, the first communication node feeds the capability information supported by the first communication node back to the second communication node so that the second communication node can perform scheduling based on the capability of the first communication node, thereby reducing the system overhead and improving the system performance.

Abstract: One or more systems, devices, and/or methods provided herein relate to a process for in-process radio frequency (RF) signal quality analysis and amplitude adjustment of one or more RF devices. In one or more embodiments, the RF device can comprise a portion of a quantum computing system, such as of readout electronics thereof, and thus amplitude adjustment can be at a waveform generator that generates pulses to affect one or more qubits of a quantum logic circuit of the quantum computing system. Generally, an electronic device can comprise an RF tap connected to an RF signal component of a first RF signal chain, and an analysis component connected to the RF tap, the analysis component configured to convert an RF signal from the RF signal component and to compare a conversion result thereof to an expected power output that is based on historical data for a second RF signal chain.

Abstract: Systems and methods for phase demodulation is described. A wireless power transmitter can include a controller, a transmission coil, and an integrated circuit connected to the controller and the transmission coil. The integrated circuit can be configured to measure a voltage of a transmission coil of a wireless power transmitter. The integrated circuit can be further configured to generate, based on the measured voltage, a pulse signal comprising a plurality of pulses. The integrated circuit can be further configured to send the pulse signal to the controller of the wireless power transmitter. The controller can be configured to perform phase demodulation using the pulse signal.

Abstract: An integrated circuit for a receiving link device includes a processing device to detect, using an equalizer of the receiving link device, that a receiver (RX) pre-cursor value is outside of a threshold value based on a target RX tap value. The processing device further generates, based on the detecting, a plurality of tap messages having a plurality of up or down commands to one of decrease or increase a corresponding transmitter (TX) pre-cursor value of a transmitting link device. The processing device further causes the plurality of tap messages to be provided to a local transmitter to be transmitted to the transmitting link device. The plurality of tap messages is to cause the transmitting link device to adjust the corresponding TX pre-cursor value.

Abstract: Provided herein is a digital communications bus suitable for automotive applications, along with bus controllers and sensors that use the bus and its associated communication methods. One illustrative sensor includes: a clock signal generator; a bus interface coupled to differential signal conductors to detect periodic synchronization pulses from a bus controller; and a controller that aligns a clock signal from the clock signal generator with the periodic synchronization pulses. The bus interface sends digital data between the periodic synchronization pulses to the bus controller using the clock signal to control symbol transitions.

Abstract: An integrated circuit communication architecture is provided and includes a clock lane, a clock divider, and a first de-skew circuit. The clock lane is configured to send a clock signal at a first rate from a first chip to a second chip. The clock divider is on the second chip and is configured to receive the clock signal sent via the clock lane and to create and send a first divided clock signal and a second divided clock signal from the received clock signal. The divided clock signals are sent at reduced rates compared to the first rate. The clock divider maintains current mode logic properties for the divided clock signals. The first de-skew circuit is configured to receive and process the divided clock signals to allow for sampling of data transmitted from the first chip to the second chip.

Abstract: A Belief Propagation (BP) equalization method and apparatus, a communication device and a storage medium are disclosed. The method may include: splitting a received signal Yc, a channel estimation Hc and a symbol estimation Xc into real parts and imaginary parts to obtain a received signal matrix Y, a channel estimation matrix H and a symbol estimation matrix X (S101); performing orthogonal triangular (QR) decomposition on the channel estimation matrix H to obtain an equivalent received signal Ybp, an equivalent channel R and a noise power ?2 (S102); and performing iteration based on the equivalent received signal Ybp, the equivalent channel R and the noise power ?2 to obtain a position probability of per stream symbol (S103).

Abstract: A receiver includes an interface, a delay line and circuitry. The interface receives data symbols and a clock signal for strobing the data symbols at selected positions. The delay line produces from the clock signal a middle sampling signal, and early and late sampling signals that respectively precedes and succeeds the middle sampling signal. The circuitry samples the data symbols using the middle, early and late sampling signals to produce early and late error signals. Based on the early and late error signals the delay line delays the middle, early and late sampling signals by separate delay values, so as to track both (i) a phase parameter indicative of a deviation between the middle sampling signal and the selected positions of the data symbols, and (ii) a width parameter indicative of a time duration of the data symbols, and to output the data symbols strobed using the middle sampling signal.

Abstract: Proposed are a method and a device for receiving a PPDU in a wireless LAN system. Specifically, a reception STA receives a PPDU from a transmission STA through a broadband and decodes the PPDU. The PPDU includes a legacy preamble and first and second signal fields. The legacy preamble and the first and second signal fields are generated on the basis of a first phase rotation value. When the broadband corresponds to a 320 MHz band, the first phase rotation value is [1 ?1 j j 1 1 j ?j j ?j ?1 ?1 ?j ?j 1 ?1].

Abstract: A method and an apparatus for configuring a physical random access channel are provided. The method includes: receiving a pattern identifier configured by an access network device, where the pattern identifier configures a first physical resource configuration pattern of the physical random access channel corresponding to a first subcarrier spacing in a frequency domain; determining a second subcarrier spacing of a target cell; and determining a second physical resource configuration pattern of the physical random access channel corresponding to the second subcarrier spacing in the frequency domain according to the pattern identifier and the second subcarrier spacing.

Abstract: An apparatus includes a first splitter configured to feed a first signal onto a first transmission channel and a second transmission channel, where the first splitter is located in a symmetrical position between the first transmission channel and the second transmission channel, and a vector detection component configured to, when the first splitter feeds the first signal, detect a first signal vector based on a first feedback signal from the first transmission channel, and detect a second signal vector based on a second feedback signal from the second transmission channel.