Abstract: An antenna system comprising (1) a plurality of transceivers capable of being calibrated over the air to improve beamforming and (2) at least one controller communicatively coupled to the plurality of transceivers, wherein the controller (A) identifies a set of partially overlapping subgroups that include the plurality of transceivers, (B) obtains leakage measurements taken in connection with signals emitted by at least one transceiver included in each of the partially overlapping subgroups, (C) identifies, within the leakage measurements, a subset of leakage measurements taken in connection with an overlapping transceiver and multiple non-overlapping transceivers included in the set of partially overlapping subgroups, and (D) calibrates, based at least in part on the subset of leakage measurements, the plurality of transceivers with respect to at least one feature to improve beamforming. Various other apparatuses, systems, and methods are also disclosed.

Abstract: A portable device includes: a modem configured to perform power line communication with a charger external to the portable device; and a charging circuit configured to, from first power provided by the charger, charge a battery and supply power to an electrical load, wherein the charging circuit is further configured to cut off the supply of the first power to the electrical load and supply second power from the battery to the electrical load.

Abstract: A wireless device transmits a frame by determining a plurality of Resource Units (RUs) of the frame, providing pilots in a first RU of the frame at a first set of positions, providing pilots in a second RU of the frame at a second set of positions, and transmitting the frame. The first set of positions is different from the second set of positions. A wireless device receives a frame including an RU including pilots and processes the pilots. When an RU for the data symbol includes an odd-numbered lowest subcarrier, the pilots are included at a first set of positions in the resource unit. When the RU includes an even-numbered lowest subcarrier, the pilots are included at a second set of positions in the resource unit. The second set of positions is different from the first set of positions.

Abstract: A transceiver includes a first digital-to-analog converter (DAC), a second DAC, and a timing control module. In a calibration mode, the first DAC transmits a transmitting signal; the second DAC transmits an echo cancellation signal; and the timing control module, according to an echo signal of the transmitting signal and the echo cancellation signal, obtains a timing offset therebetween, and generates a first timing control signal and a second timing control signal to the first DAC and the second DAC according to the timing offset, respectively. The first DAC adjusts a transmission delay of transmitting the transmitting signal according to the first timing control signal, and/or the second DAC modifies a transmission delay of transmitting the echo cancellation signal according to the second timing control signal.

Abstract: In one example aspect, a method is provided of preparing a symbol for transmission, the method comprising applying a window function to a symbol to generate a modified symbol, wherein a property of the window function is based on a channel length of a transmission channel over which the modified symbol is to be transmitted, and causing the modified symbol to be transmitted over the transmission channel.

Abstract: A method, a computer-readable medium, and an apparatus are provided for wireless communication at a receiver. The apparatus is configured to receive a non- coherent signal and determine a first differential of the received non-coherent signal on each of one or more receive antennas for a set of binary vectors to obtain a lower order representation of the non-coherent signal. The apparatus is configured to combine the differentials across antennas, decode the lower order representation of the non-coherent signal based on the first differential of the non-coherent signal and to reconstruct a higher order representation of the non-coherent signal based on the decoded lower order representation of the non-coherent signal.

Abstract: A method of operating a device (101, 102) includes selecting between a first operational mode (8098) and a second operational mode (8099) for a wireless link (111) established between a terminal (102) and a base station (101) of the network; in response to selecting the first operational mode (8098): determining first values for antenna weights from a plurality of predefined candidate values; and in response to selecting the second operational mode (8099): determining second values for the antenna weights based on a calculation using a receive property of pilot signals (4021) communicated between the terminal (102) and the base station (101) as an input.

Abstract: A wireless communications system and a method therein for transmission of a downlink signal in a wireless communications network supporting beamforming. The system estimates uplink channel information for a radio link from a wireless device to a radio network node. Further, the system obtains downlink beamforming information related to the estimated uplink channel information from a machine learning unit. The machine learning unit comprises relationships between beamforming information and uplink channel information determined based on stored pairs of reported downlink beamforming information and measured uplink channel information. The obtained downlink beamforming information is applicable for the radio cell sector. Furthermore, the system transmits, towards the wireless device, a beamformed downlink signal using the obtained downlink beamforming information.

Abstract: Apparatus, methods, and computer program products for improving precoding downlink signaling are provided. An example method may include determining one or more noise covariance parameters for a noise covariance report, the noise covariance parameters being associated with a noise covariance matrix for whitening. The example method further may include transmitting, to a base station, the noise covariance report including the one or more noise covariance parameters or a noise whitening matrix for the whitening, the noise covariance report being transmitted based on a transmission periodicity of one or more slots.

Abstract: An apparatus may determine a mode in association with frequency/beam hopping. The mode may be configured semi-statically through RRC signaling and/or dynamically through a MAC-CE. The apparatus may determine the mode based on the RRC signaling/MAC-CE in order to switch between different configurations of frequency and beam hopping for single-beam and multi-beam PUCCH transmissions. The apparatus is configured to receive a PUCCH resource IE for a PUCCH resource indicating a PUCCH resource intra-slot frequency hopping configuration. The apparatus is configured to determine whether multiple PUCCH beams are activated for the PUCCH resource. The apparatus is configured to determine a mode for frequency hopping and beam hopping for the PUCCH resource based on at least one of the PUCCH resource intra-slot frequency hopping configuration, or the determination whether multiple PUCCH beams are activated. The apparatus is configured to transmit on the PUCCH resource based on the determined mode.

Abstract: An information handling system include a processor; a memory; a power management unit; a wireless interface adapter for transceiving wireless communications via RF waves having a third wireless protocol subsystem operatively and selectively couplable to one of a first antenna and a second antenna via an RF switch to initiate OOB communications with a network; and an antenna controller operatively coupled to the RF switch configured to receive radio telemetry data indicating radio connection status information of the first wireless protocol subsystem, the second wireless protocol subsystem, and the third wireless protocol subsystem; and determine assignment of one of the first antenna and second antenna to be a shared antenna and switched to the third wireless protocol subsystem based on the operational status of the first wireless protocol subsystem, second wireless protocol subsystem, and third wireless protocol subsystem.

Abstract: The present disclosure is related to a 5th generation (5G) or pre-5G communication system to be provided to support a higher data transmission rate since 4th generation (4G) communication systems like long-term evolution (LTE). A method for generating beam measurement information of user equipment (UE) is provided. The method of UE includes receiving a first reference signal from a base station, requesting a transmission of a second reference signal when a result of measuring the first reference signal satisfies a predetermined condition, receiving the second reference signal, and generating a measurement result based on the second reference signal.

Abstract: A method of configuring a multichannel uplink transmission (199) comprising multiple channels (151, 152, 159, 451, 452) between a wireless communication device (102) and multiple receive panels (1013-1, 1013-2) of at least one network node (101) is provided. The multiple receive panels (1013-1, 1013-2) and the at least one network node (101) are connected via backhaul links (1018-1, 1018-2). The method is carried out by the wireless communication device (102). The method comprises receiving, from the at least one network node (101), a downlink message encoding control data (4001) for the multichannel uplink transmission (199), the control data (4001) being associated with the backhaul links. The method further comprises configuring the multichannel uplink transmission (199) based on the control data (4001).

Abstract: A physical layer transceiver, for connecting a host device to a wireline channel medium in which a signal component occurring at a particular time may cause interference at other times, includes a host interface for coupling to a host device, a line interface for coupling to the channel medium, and filter circuitry operatively coupled to the line interface to filter the interference caused by the signal component at the particular time and at the one or more other times. The filter circuitry includes at least one filter segment configured to operate at a first rate derived from a channel operating frequency to filter the signal component at the particular time, and at least one respective filter segment configured to operate at a respective additional rate different from the first rate. Respective delay elements allow each respective filter segment to filter the signal component at a one of the other times.

Abstract: A method, an apparatus and a system for determining stress on a low density parity check (LDPC) process for a network using orthogonal frequency division multiplexing (OFDM).

Abstract: In an example, a system includes a plurality of acoustically coupled nodes. Each of the nodes includes a transducer, a communication circuit and a controller. The transducer is adapted to be mechanically coupled to a medium. The communication circuit is coupled to the transducer to send and receive acoustic signals via the medium according to at least one communication parameter. The controller is to adaptively configure the at least one communication parameter of the communication circuit based on an acoustic signal received from at least one other of the nodes.

Abstract: Techniques and mechanisms for determining the value of a weight associated with a synapse of a spiking neural network. In an embodiment, a first spike train and a second spike train are output, respectively, by a first node and a second node of the spiking neural network, wherein the synapse is coupled between said nodes. The weight is applied to signaling communicated via the synapse. A value of the weight is updated based on a product of a first value and a second value, wherein the first value is based on a first rate of spiking by the first spike train, and the second value is based on a second rate of spiking by the second spike train. In another embodiment, the weight is updated based on a product of a derivative of the first rate of spiking and a derivative of the second rate of spiking.

Abstract: A system for receiving multipath signals is disclosed. The system includes an equalizer that includes an input for a received data signal, wherein the received data comprises a first multipath component and a second multipath component. The equalizer further includes a channel impulse response estimator coupled to the input configured to determine one or more channel impulse response (CIR) estimates for the first multipath component and the second multipath component. The equalizer further includes a statistical estimation module coupled to the channel impulse response estimator configured to estimate a state of the first multipath component and the second multipath component based on the one or more channel impulse response estimates. The equalizer further includes a detector coupled to the statistical estimation module configured to detect data from the received data signal based on an estimated future state of the first multipath component and the second multipath component.

Abstract: A method of communicating information from a sensor concerning a received signal, comprising: responsive to receiving by at least one detecting sensor, during a defined time interval, data indicative of an entire data of a frequency band received by it during the defined time interval, comprising at least one signal emitted at least one emitter, and to detecting of the emitted signal by the at least one detecting sensor, sending from the sensor assistance information corresponding to the detected emitted signal during the defined time interval, to at least one non-detecting sensor. This information can be utilized by the non-detecting sensor to perform an action with respect to data indicative of an entire data of the frequency band received by the non-detecting sensor during a corresponding defined time interval, the action corresponding to at least one emitted signal received by the non-detecting sensor during the corresponding defined time interval.

Abstract: The present invention relates to a pulse driving apparatus for minimising an asymmetric image between long-term potentiation (LTP) and long-term depression (LTD) in a hardware neural network, and a method therefor; and can minimise asymmetry between the LTP process and the LTD process, thereby improving a match rate of actual results by separately performing a first operation that performs on the LTP process, and a second operation that performs the LTP process and the LTD process.