Abstract: A radio frequency (RF) unit and a method for RF isolation. The RF unit includes first and second RF couplers, an RF filter, and an RF canceler connected in parallel with the RF filter. The first RF coupler is configured to receive an input signal. The RF filter is configured to receive a first portion of the input signal from the first RF coupler and attenuate frequencies outside of a passband of the RF filter from the first portion of the input signal. The RF canceler is configured to receive a second portion of the input signal from the first RF coupler and generate a cancellation signal from the second portion of the input signal based on a target frequency band of the RF canceler. The second RF coupler is configured to combine the cancellation signal with an output of the RF filter to generate an output signal.

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: Aspects of the subject disclosure may include, for example, obtaining data regarding interference detected in a received communication signal, and performing phase adjusting for one or more radiating elements of an antenna system such that an impact of the interference on the antenna system is minimized. Other embodiments are disclosed.

Abstract: In accordance with a first aspect of the present disclosure, a system is provided for facilitating detecting an unauthorized access to an object, the system comprising: a plurality of ultra-wideband (UWB) communication nodes; a controller operatively coupled to said plurality of UWB communication nodes, wherein the controller is configured to: cause at least one of the UWB communication nodes to transmit one or more UWB messages to other UWB communication nodes of said plurality of UWB communication nodes; receive a channel impulse response (CIR) estimate and/or one or more parameters relating to said CIR output by the UWB communication nodes in response to receiving said UWB messages; analyze said CIR estimate and/or said parameters relating to the CIR to detect said unauthorized access to the object. In accordance with a second aspect of the present disclosure, a corresponding method is conceived for facilitating detecting an unauthorized access to an object.

Abstract: A data receiver is configured to receive a signal, the signal comprising interferences of an interference-infested transmission channel, the data receiver being configured to form a histogram of receive information of a signal portion of the received signal and to determine mean receive information and/or a noise measure from the histogram.

Abstract: A guard period for switching between uplink and downlink subframes is created by shortening a downlink subframe, i.e., by not transmitting during one or more symbol intervals at the end of the subframe. A grant message includes signaling indicating when a shortened subframe is being transmitted. An example method is implemented in a receiving node configured to receive data from a transmitting node in subframes having a predetermined number of symbol intervals. In an LTE system, this receiving node may be a UE, and the subframes are downlink subframes. This example method includes determining that a received subframe is to be shortened, relative to the predetermined number of symbol intervals and, in response to this determination, disregarding a last part of the received subframe by disregarding one or more symbols at the end of the received subframe when processing the received subframe.

Abstract: A transmitting apparatus includes a first signal generating unit that generates, on the basis of data a first signal transmitted by single carrier block transmission; a second signal generating unit that generates, on the basis of an RS, a second signal transmitted by orthogonal frequency division multiplex transmission; a switching operator that selects and outputs the second signal in a first transmission period and selects and outputs the first signal in a second transmission period; an antenna that transmits the signal output from the switching operator; and a control-signal generating unit that controls the second signal generating unit such that, in the first transmission period, the RS is arranged in a frequency band allocated for transmission of the RS from the transmitting apparatus among frequency bands usable in OFDM.

Abstract: Systems and methods are provided for achieving interference coordination for 5G flight communication. That is, systems and methods are disclosed that improve QoS by implementing interference coordination between nodes, wherein one of the nodes is optimized for flight communication.

Abstract: A receiver comprising: a processing module configured to: receive a first portion of a packet of received signalling from a first antenna; receive a carrier estimate signal; adjust the first portion based on the carrier estimate signal and correlate the signal with an expected code sequence to provide a first correlated signal; a tracking module configured to: receive the first correlated signal and update the carrier estimate signal, wherein the processing module is further configured to: receive a second portion of the packet from a second antenna; adjust the second portion based on the carrier estimate signal and correlate the signal to provide a second correlated signal, and wherein the receive path further comprises a phase calculation module configured to: receive the first and second correlated signals and determine a respective first and second carrier phase and an angle of arrival of the received signalling.

Abstract: A method for sidelink beam acquisition for device to device (D2D) communication includes calculating, by a base station, one or more first directions, where the one or more first directions are directions of a second electronic device located relative to a first electronic device; calculating, by the base station, one or more second directions, where the one or more second directions are directions of the first electronic device located relative to the second electronic device; transmitting, by the base station and to the first electronic device, the one or more first directions; and transmitting, by the base station and to the second electronic device, the one or more second directions.

Abstract: A mobile communication device that is configured to cancel interference within received millimeter wave band signals. The device includes a receiver circuit that is configured to receive a millimeter wave band signal, adjust gain provided to the millimeter wave band signal at a first amplifier, cancel interference in millimeter wave band signal after gain is adjusted by the first amplifier, and adjust gain provided to the millimeter wave band signal at a second amplifier after interference is cancelled.

Abstract: A communication system comprises a clock generator configured to generate a plurality of system clock signals used to synchronize components included in each of communication nodes in the communication system based on an external clock signal provided by an external clock source located outside the communication system and a physical layer configured to transmit any one of the generated system clock signals to a small cell communicatively connected to an end communication node of the communication system.

Abstract: Apparatuses, methods, and systems for per carrier scaling of a cancellation pulse of a multi-carrier signal are disclosed. One method includes identifying a target PAPR (peak to average power ratio) for the multi-carrier signal, identifying a target EVM (error vector magnitude) for each of cj carriers of the multi-carrier signal, setting a scaling factor for each of the cj carrier to an initial value, or each carrier cj adjusting the scaling factor for the carrier cj until a measured EVM of the carrier cj satisfies the target EVM for the subcarrier cj while maintaining the PAPR target for the multi-carrier signal, and the cancellation pulse of the multi-carrier signal with the adjusted scaling factor for each of the cj carriers.

Abstract: Technologies directed to co-channel interference detection using a signal correlation test are described. One method includes receiving a radio frequency (RF) signal and generating digital sample corresponding to the RF signal. The method further includes determining a first correlation coefficient using the digital samples, a first value, and a second value. The first value corresponds to a signal lag parameter and the second value corresponds to a cyclic frequency parameter. The method further includes determining a second correlation coefficient using the digital samples, the first value, and a third value corresponding to the cyclic frequency parameter. The second value and the third value are multiples of a fourth value. The method further includes determining, using the first correlation coefficient and the second correlation coefficient, that first RF signal comprises a first portion from a second communication device and a second portion from a third communication device.

Abstract: Methods, systems, and devices for shared error correction coding (ECC) circuitry are described. For example, a memory device configured with shared ECC circuitry may be configured to receive data at the shared circuitry from either a host device or a set of memory cells of the memory device. The shared circuitry may be configured to generate a set of multiple syndromes associated with a cyclic error correction code, based on the received data. As part of an encoding process, an encoder circuit may generate a set of parity bits based on the generated syndromes. As part of a decoding process, a decoder circuit may generate an error vector for decoding the received data, based on the generated syndromes. The decoder circuit may also correct one or more errors in the received data based on generating the error vector.

Abstract: RF communication systems with interference cancellation for coexistence are provided herein. In certain embodiments, an RF communication system includes a transmitter that transmits a transmit signal through a first front end circuit, a receiver that processes a receive signal from a second front end circuit, and a feedback receiver that processes a feedback signal from the first front end circuit to generate a digital interference cancellation signal that compensates the receiver for interference arising from the transmitter.

Abstract: A full duplex dual polar radar transceiver comprising a dual polarisation radar antenna, a transmission path, a horizontal polarisation receive path, and a vertical polarisation receive path, a first cancellation path connected between the transmission path and the vertical polarisation receive path, and a second cancellation path connected between the transmission path and the horizontal polarisation receive path. Each cancellation path is configured to vary a transmission signal provided by the transmission path by varying at least one of a phase shift, a delay, or an amplitude so as to cancel self-interference on each of the vertical and horizontal polarisation receive paths.

Abstract: A pilot information symbol sending method, a channel estimation method, and a communications device. The method includes: determining, based on a discrete Fourier transform DFT matrix and a sensing matrix, a pilot information symbol corresponding to each antenna on each pilot resource; and sending a corresponding pilot information symbol on each of the pilot resources for each of the antennas; where the sensing matrix is determined through training of channel information.

Abstract: A radio frequency antenna system is provided and can include a radio printed circuit board, a first antenna element located proximate an edge of the radio printed circuit board, a second antenna element located proximate the edge of the radio printed circuit board, and a cancelation circuit located on the radio printed circuit board and connected to feeding points of the first antenna and the second antenna, wherein the cancelation circuit can provide a cancelation effect at output ports of the cancelation circuit with respect to signals broadcast by the first antenna element and the second antenna element over air.

Abstract: A tracking and rejection filter for use in a receiver of a radio includes a selectable filter configured to provide an output digital in-phase signal and an output digital quadrature signal based on a center frequency, a digital in-phase signal corresponding to an in-phase component of a received radio frequency signal, and a digital quadrature signal corresponding to a quadrature component of the received radio frequency signal. The tracking and rejection filter includes a select circuit configured to select the center frequency of the selectable filter according to whether an interfering signal is detected in a target frequency band of the received radio frequency signal. The center frequency is selected from a predetermined frequency and an estimated center frequency determined using an instantaneous frequency signal. The instantaneous frequency signal is based on the digital in-phase signal and the digital quadrature signal.

Abstract: A method and a function for checking the integrity of the processing of a radionavigation signal emitted by a satellite, the signal being received by a receiver comprising reception means and processing means, the processing means comprising a linear anti-interference filter, the integrity checking method comprising at least a first phase of detection of a risk of false lock-on comprising the following steps: a step of recovery of a nominal theoretical self-correlation function of the received signal not processed by the linear anti-interference filter; a step of determination of a mean theoretical self-correlation function of the signal received and processed by the linear anti-interference filter over a defined integration period; a step of determination of the number of local maxima of the modulus or of the modulus squared of the mean theoretical self-correlation function, a risk of false lock-on being detected if the number of local maxima is greater than or equal to two.

Abstract: Example operations may include determining a first noise estimate of noise that propagates along a receive path of a device. The operations may further include determining a second noise estimate of the noise and determining a cross-relationship estimate with respect to the noise. In addition, the operations may include adjusting one or more correction filters configured to correct for imbalances between a first branch and a second branch of the receive path. The adjusting may be based on the first noise estimate, the second noise estimate, and the cross-relationship estimate.

Abstract: A Bluetooth receiver has an RF front end which has a gain control input, the RF front end converting wireless packets into a baseband signal which is coupled to the input of an analog to digital converter (ADC). A clock generator provides a clock coupled to the ADC, and an AGC processor performs an AGC process to provide a gain which places the baseband symbols in a range that is less than 90% of the input dynamic range of the ADC. When in a connected state, the clock generator provides a clock which is slower than is required to complete the AGC process during a preamble interval, and the AGC process uses a few initial bits of the address field. The remaining bits of the address field is compared with the corresponding address bits of the receiver to determine whether to receive the packet.

Abstract: A method for modulating data for transmission within a communication system. The method includes establishing a time-frequency shifting matrix of dimension N×N, wherein N is greater than one. The method further includes combining the time-frequency shifting matrix with a data frame to provide an intermediate data frame. A transformed data matrix is provided by permuting elements of the intermediate data frame. A modulated signal is generated in accordance with elements of the transformed data matrix.

Abstract: A frontend circuit for a radio frequency (RF) receiver comprises an RF amplifier circuit to receive an RF signal, a local oscillator (LO) circuit to produce a LO signal, a mixer circuit configured to mix the RF signal with the LO signal to produce a down-converted intermediate frequency (IF) signal, a transimpedance amplifier (TIA) circuit to receive the IF signal, and an error reduction circuit operatively coupled to the TIA circuit and configured to reduce voltage error caused by error charge from parasitic capacitance of the frontend circuit.

Abstract: Aspects of the present disclosure include methods for communication using a MIMO channel, such as an acoustic channel for underwater communication. An acoustic receiver may receive a signal comprising information encoded in at least one transmitted symbol. Using a two-layer iterative process, the at least one transmitted symbol is estimated. The first layer of the two-layer process uses iterative exchanges of soft-decisions between an adaptive turbo equalizer and a MAP decoder. The second layer of the two-layer process uses a data-reuse procedure that adapts an equalizer vector of both a feedforward filter and a serial interference cancellation filter of the adaptive turbo equalizer using a posteriori soft decisions of the at least one transmitted symbol. After a plurality of iterations, a hard decision of the bits encoded on the at least one transmitted symbol is output from the MAP decoder.

Abstract: Glitch source identification and ranking is provided by: identifying a plurality of glitch sources in a circuit layout; back referencing the plurality of glitch sources to corresponding lines in a Resistor Transistor Logic (RTL) file defining the plurality of glitch sources; identifying, in the circuit layout, a plurality of glitch terminuses associated with the plurality of glitch sources; determining a plurality of glitch power consumption values associated with the plurality of glitch sources based on fanouts in the circuit layout extending from the plurality of glitch sources to the plurality of glitch terminuses; ranking, by a processor, the plurality of glitch sources based on corresponding glitch power consumption values of the plurality of glitch power consumption values corresponding to individual glitch sources of the plurality of glitch sources; and reporting the corresponding lines in the RTL file associated with the ranked plurality of glitch sources.

Abstract: A USB phone supporting multi-device conference application includes: a touch display module, an audio processing module, a digital enhanced cordless telecommunications (DECT) module, a Bluetooth module, a USB interface, and an MCU controller. The Bluetooth module is configured to establish a Bluetooth communication connection with an external Bluetooth terminal; the USB interface is configured to establish a USB communication connection with an external intelligent terminal; the DECT module is configured to establish a communication connection with an external wireless headphone; the touch display module is configured to display data, and recognize and obtain a touch operation instruction; the audio processing module is configured to perform audio processing on received audio data; the MCU controller is configured to process received data, further provided with a first mixer and connected to the touch display module, the audio processing module, the DECT module, the Bluetooth module, and the USB interface.

Abstract: An audio processing method includes: converting a time-domain audio signal into a frequency-domain audio signal; determining a noise reduction gain according to the frequency-domain audio signal; and selecting at least one set of time-domain filter coefficients from a plurality sets of time-domain filter coefficients according to the noise reduction gain; configuring a time-domain filter according to the at least one selected set of time-domain filter coefficients, and filtering the time-domain audio signal with the time-domain filter.

Abstract: Methods and systems for a passive noise dampener. A system includes a hybrid fiber-coaxial network which carries content signals between a service provider system and premises, where the hybrid fiber-coaxial network is susceptible to receiving wireless noise signals, a plurality of passive noise dampeners, each passive noise dampener connected between the hybrid fiber-coaxial network and a premise of the premises. Each passive noise dampener includes an antenna based on medium used in the hybrid fiber-coaxial network. The antenna receives the wireless noise signals. A phase shifting device phase shifts 180 degrees phase shift the wireless noise signals received by the antenna to generate a counter signal. A directional coupler injects the counter signal into the hybrid fiber-coaxial network to mitigate impact of the wireless noise signals received by the hybrid fiber-coaxial network on the content signals. The antenna, the phase shifting device, and the directional coupler are passive devices.

Abstract: A method for calibrating a cascaded radar system includes transmitting first radar transmission signal from a radar device. First radar reflection signals corresponding to the respective first radar transmission signal reflected from calibration target are received at each of the radar devices. The first radar reflection signals are demodulated to generate first baseband signals at each of the radar devices. A second radar transmission signal is modulated with respect to the first radar transmission signal at the respective one of the radar devices. The second radar transmission signal is transmitted from the respective one of the radar devices and are received as second radar reflection signals at each of the radar devices. The second radar reflection signals are demodulated to generate second baseband signals at each of the radar devices, and each of the radar devices are calibrated based on the first and second baseband signals.

Abstract: An operating method of a terminal in a wireless communication system including a cell and the terminal includes receiving an external signal including a synchronization signal block (SSB) from the cell, the SSB including a primary synchronization signal (PSS), a secondary synchronization signal (SSS), and a physical broadcast channel (PBCH), obtaining a cell identification number of the cell using the PSS and the SSS, determining a plurality of decoding priorities of a plurality of candidate indexes of the SSB, and performing decoding on the PBCH based on the plurality of decoding priorities.

Abstract: A Bluetooth receiver has an RF front end which has a gain control input, the RF front end converting wireless packets into a baseband signal which is coupled to the input of an analog to digital converter (ADC). A clock generator provides a clock coupled to the ADC, and an AGC processor performs an AGC process to provide a gain which places the baseband symbols in a range that is less than 90% of the input dynamic range of the ADC. When in a connected state, the clock generator provides a clock which is slower than is required to complete the AGC process during a preamble interval, and the AGC process uses a few initial bits of the address field. The remaining bits of the address field is compared with the corresponding address bits of the receiver to determine whether to receive the packet.

Abstract: A method for generating a secret key at a first node for data communication between the first node and a second node. A channel estimate of a communication channel between the first and second nodes is obtained. A time-frequency matrix associated with the communication channel is then obtained based on the time-frequency transformation of the channel estimate. The secret key is then produced based on the time-frequency matrix. Furthermore, a corresponding key generator may be provided for generating a secret key.

Abstract: Methods, systems, and devices for wireless communications are described that support a single carrier multi-level coding (MLC) amplitude phase shift keying (APSK) modulated waveform. For example, a user equipment (UE) capable to communicate using MLC APSK modulated waveforms may transmit a channel state information (CSI) report, including a recommendation for a waveform configuration, to a base station. The base station may receive the CSI report and may transmit a configuration message to the UE, which may configure the UE with a set of waveform parameters associated with MLC APSK modulation. The UE may receive the configuration message and may communicate with the base station using MLC APSK modulated waveforms and based on the set of waveform parameters, which may reduce phase noise and provide lower peak average power ratio (PAPR) signaling.

Abstract: Methods, systems, and devices for wireless communications are described. In some systems, a network may schedule a user equipment (UE) for multiple transmission/reception point (TRP) communication. The network may transmit a single downlink control information (DCI) message to the UE to dynamically configure multiple transmission configuration indicator (TCI) states for the multiple TRPs. In a first example, the DCI message may include a bit field indicating a set of antenna ports and the multi-TRP scheme for transmission. In a second example, the DCI message may include a separate field indicating the multi-TRP scheme (e.g., based on UE capabilities). In a third example, the DCI may indicate redundancy versions (RVs) for different TRPs in an RV field or across multiple fields. In a fourth example, the DCI may include an indication of a precoding resource block group (PRG) size that may be interpreted differently based on the indicated multi-TRP scheme.

Abstract: A communication device (20) includes a processing unit (232) that performs a NOMA transmission process on a partial range of transmission data to be transmitted to another communication device (40), the NOMA transmission process being signal processing for non-orthogonal multiple access, and a transmitting unit (235) that transmits data obtained after the NOMA transmission process to the another communication device.

Abstract: A communication apparatus that performs wireless communication obtains information of a channel with a possibility of interference in wireless communication that is output based on position information of the communication apparatus, position information of a source of a radio wave which has a possibility of interference in the wireless communication, and time information, and selects a channel to be used in the wireless communication. Whether a channel corresponding to the obtained channel information is the currently selected channel is determined, and the currently selected channel is changed to a channel other than the channel corresponding to the obtained channel information if the channel corresponding to the obtained channel information is the same channel as the currently selected channel. If communication is being performed, it is determined after the communication whether the channel corresponding to the obtained channel information is the same channel as the currently selected channel.

Abstract: An Ethernet physical layer (PHY) transceiver includes a transmitter and a receiver. The transmitter is configured to precode a first data stream by summing two or more mutually-delayed replicas of the first data stream, and to transmit the precoded first data stream over a full-duplex wired channel to a peer Ethernet PHY transceiver. The receiver is configured to receive a second data stream from the peer Ethernet PHY transceiver over the full-duplex wired channel, and to decode the received second data stream while the transmitter concurrently is transmitting the precoded first data stream.

Abstract: Some embodiments include apparatus having multiple samplers in a decision feedback equalizer (DFE). The multiple samplers include at least two samplers and are configured to be activated in a first mode of the DFE to receive first input information from a summing circuit. At least one of the samplers is configured to be deactivated in a second mode of the DFE. At least one of the samplers is configured to be activated in the second mode of the DFE to receive second input information from the summing circuit.

Abstract: Devices and methods for determining the cumulative distribution of a polymer property in a reactor without physical separation of reaction subcomponents. The device includes a means of measuring an instantaneous property of the polymers being produced in a reaction vessel a plurality of times during a polymerization reaction as well as a means of determining the corresponding change in polymer concentration in the reaction vessel between measurements of the instantaneous polymer property The device also includes a means of computing a statistical distribution appropriate to the polymer characteristic and applying the statistical distribution to a recently measured instantaneous value of the polymer property so as to have an instantaneous distribution of the polymer property and a means of adding together the instantaneous distributions of the polymer property in order to obtain the cumulative distribution of the polymer property in the reactor.

Abstract: The invention belongs to the field of low-power consumption Bluetooth technology in wireless communication, in particular to a method for improving the sensitivity of the receiver in a low-power consumption Bluetooth system. The method of the invention is to introduce a deinterleaver between the symbol pattern mapper and GFSK modulator of the transmitting terminal under the low-power consumption Bluetooth coding mode, which is used to perform additional processing on the bitstream data and then perform modulation; then, due to the introduction of interleaving, Turbo iterative processing of demodulation and decoding can be performed at the receiving terminal; the receiving terminal comprises a Turbo iterative demodulator and decoder, which is used to model the low-power consumption Bluetooth GFSK modulator and convolutional coder into finite state machines, and then combine the deinterleaver to use the BCJR algorithm for iterative demodulation and decoding.

Abstract: A communication apparatus 300 includes a first channel estimating unit 131 configured to perform a first channel estimation at a first frequency using a reference signal included in a signal sequence, a first weight information generating unit 133 configured to generate first weight information based on the first channel estimation, a synthesis processing unit 135 configured to perform weighted synthesis processing based on the first weight information, a second channel estimating unit 137 configured to perform a second channel estimation at a second frequency higher than the first frequency using a reference signal included in the signal sequence subjected to the weighted synthesis processing, a second weight information generating unit 139 configured to generate second weight information based on the second channel estimation, and a demodulation processing unit 141 configured to perform demodulation processing of the signal sequence subjected to the weighted synthesis processing based on the second weight i

Abstract: A method of performing channel estimation in a multiple-input-multiple-output (MIMO) communication system comprising a downlink device and an uplink device arranged to communicate over a communication channel, the method including at the uplink device: analyzing a first channel vector representing channel gains between the downlink device and a first antenna of the uplink device in the angular domain to identify a set of angular domain support points; generating from the set of angular domain support points a value vector; and feeding back from the uplink device to the downlink device an indication of the value vector; and at the downlink device: analyzing a second channel vector representing channel gains between the downlink device and a second antenna of the uplink device; generating a transmit steering matrix; and generating an estimate of the first channel vector.

Abstract: A user equipment (UE) can include processing circuitry coupled to memory. To configure the UE for New Radio (NR) communications above a 52.6 GHz carrier frequency, the processing circuitry is to decode radio resource control (RRC) signaling to obtain a cyclic shift value in time domain. The cyclic shift value is associated with a demodulation reference signal (DM-RS) antenna port (AP) of a plurality of available DM-RS APs. A single carrier based waveform DM-RS sequence corresponding to the DM-RS AP is generated using a base sequence and the cyclic shift value. The single carrier based waveform DM-RS sequence is encoded with uplink data for transmission to a base station using a physical uplink shared channel (PUSCH) using a carrier above the 52.6 GHz carrier frequency.

Abstract: The present invention relates to a system for cancelling interference in a full-duplex wireline communication link. The communication link has a transceiver at each end and configured to transmit a signal and receive a signal. The transceiver comprises: a self-interference (SI) canceller module configured to subtract self-interference of the signal transmitted by the transceiver from the signal received by the same transceiver in analog domain; and an echo canceller module configured to subtract reflected version of the signal transmitted by the transceiver from the signal received by the same transceiver in analog domain.

Abstract: Implementations of this disclosure generally may relate to the field of wireless communications. More specifically, implementations described in this disclosure relate to different 3GPP LTE and LTE-A system enhancements to address the issue and support reliable V2X operation in the high mobility environments. Several solutions to improve the V2X system performance in the high mobility vehicular channel propagation conditions are described. Some aspects relate to the suggestion of a new DMRS patterns within individual subframes that promote more accurate CFO estimation. Moreover, another aspect provides DMRS mapping or puncturing patterns to transmit individual DMRS in a periodic pattern on respective OFDM/SC-FDMA symbols so that they do not occupy all REs of the OFDM/SC-FDMA symbols, respectively.

Abstract: A method for operating a communications controller adapted for full duplex (FD) operation includes receiving a measurement report from a user equipment served by the communications controller, the measurement report indicating a first power margin between a current transmit power and a transmit power break point and a second power margin between the current transmit power and a maximum transmit power capable of supporting FD operation, performing FD link adaptation (LA) in accordance with the first power margin and the second power margin to adjust one or more FD configuration parameters of a link between the communications controller and the user equipment, wherein the link includes a downlink and an uplink, and instructing the user equipment to communicate over the link in accordance with the one or more FD configuration parameters.

Abstract: A system and method is disclosed where an operating state may be determined by selecting one or more transmitting nodes for transmitting one or more radio-frequency (RF) signals. One or more receiving nodes may receive the one or more RF signals that may include one or more channel state data. The operating state may be determined based on one or more features extracted from the one or more channel state data. Another system and method is disclosed where a range compensation value may be determined by transmitting a radio-frequency (RF) signal from at least one transmitting node. The one or more receiving nodes may receive the RF signal and a channel state data may be estimated using the signal. The range compensation value may be determined using the channel state data and a position value indicating a location of the at least one transmitting node.

Abstract: A technique is provided including at least obtaining a noise and interference covariance matrix, performing scaling of the noise and interference covariance matrix, determining a sum of diagonal elements of the scaled noise and interference covariance matrix, performing a first spectral shift by the sum to the scaled noise and interference covariance matrix to obtain a first spectral shifted matrix, performing eigenvalue decomposition to the first spectral shifted matrix to obtain an eigenvalue matrix, performing a second spectral shift by the sum to the eigenvalue matrix, limiting the eigenvalue matrix to a diagonal matrix, and obtaining a new noise and interference covariance matrix adding the scaled noise and interference covariance matrix and eigenvalue pairs that are obtained based, at least partly, on the performed eigenvalue decomposition.