Abstract: The disclosure is directed to a method for measuring an angle of arrival (AoA), with a steerable phased array. The method would include but not limited to: receiving a signal by the steerable phased array with a first steering angle and with a second steering angle; obtaining a first power-related information (PRI1) of the signal corresponding to the first steering angle; obtaining a second power-related information (PRI2) of the signal corresponding to the second steering angle; and calculating an AoA of the signal based on the first power-related information and the second power-related information, wherein the first steering angle is different from the second steering angle, and an absolute difference between the first steering angle and the second steering angle is less than FNBW/2.

Abstract: A phased antenna array in a package is provided. The phased array antenna in a package comprises an antenna array with an integrated passive beamformer network, and at least one actuation mechanism. The passive beamformer network comprises at least one phase shifter, and each of the at least one phase shifter comprises a transmission line having a slow-wave structure and a ceramic. Each of the at least one actuation mechanism comprises a magnet and an electromagnet coil, where the magnet is coupled to the ceramic. The at least one actuation mechanism configured to increase or decrease a gap between the transmission line and the ceramic.

Abstract: An active-array multi-beam antenna includes radiating elements and a hybrid device for forming directive beams. The hybrid device comprises an analogue stage divided into a plurality of analogue beam-forming networks forming like regional beams, and a digital stage suitable for forming the directive beams from the regional beams. A first sub-array is associated with first radiating elements. A second sub-array is associated with second radiating elements. The second sub-array has the same dimensions as the first sub-array. The second sub-array partially overlaps the first sub-array.

Abstract: The radar device for a vehicle according to an exemplary embodiment of the present invention includes an antenna part including a plurality of transmitting antennas and a plurality of receiving antennas, the antenna part being formed of array antennas; a signal processor for detecting a target by processing a radar signal and a reflected signal transmitted and received through the antenna part; and a feeding part for correcting phases of the radar signal and the reflected signal through a feeding line connecting the antenna part and the signal processor, wherein the signal processor corrects a phase of a noise signal based on the phase information of a feeding line designed such that a false target corresponding to the noise signal incoming is detected at a specific angle.

Abstract: The present disclosure provides a holographic antenna, a method for manufacturing a holographic antenna and an electronic device, and belongs to the field of communication technology. The holographic antenna includes: at least one antenna unit; each antenna unit includes a waveguide structure, a first dielectric substrate and a radiation layer; the waveguide structure includes a bottom wall and a sidewall connected together to define a waveguide cavity of the waveguide structure; a filling medium is filled in the waveguide cavity; the first dielectric substrate is on a side of the filling medium away from the bottom wall of the waveguide structure; and the radiation layer is on the first dielectric substrate, and is provided with a plurality of slit openings therein; an orthographic projection of the plurality of slit openings on the first dielectric substrate is within an orthographic projection of the waveguide cavity on the first dielectric substrate.

Abstract: Embodiments described herein relate to an active antenna system. The active antenna system comprises an antenna array wherein the antenna array comprises a plurality of sub-arrays; a plurality of feed networks configured to couple respective signals from the plurality of sub-arrays to respective radio chains; and at least one coupling path configured to provide coupling between a first feed network and a second feed network, wherein the first feed network is coupled to a first sub-array and the second feed network is coupled to a second sub-array, wherein the coupling is of a higher magnitude than a lowest magnitude of mutual aperture couplings occurring between antenna elements in the first sub-array and the second sub-array.

Abstract: Method and system of calibrating and cohering at least one radar antenna in receive (RX) mode and transmit (TX) mode, comprising performing RX mode calibration on at least one radar antenna using radio frequency (RF) far field calibration source, determining RF phase ØRXn using RF far field calibration source for each at least one radar antenna, operating at least one radar antenna in RX mode with at least one near field antenna to determine plurality of RX mode phases in at least one radar antenna and at least one near field antenna, operating at least one radar antenna in TX mode with at least one near field antenna to determine plurality of TX mode phases in at least one radar antenna and at least one near field antenna, and deriving TX mode calibration phases as function of determined RX mode phases and determined TX mode calibration phases.

Abstract: An antenna correcting system is provided. The antenna correction system compares amplitudes of antenna signals that are emitted or received respectively by a plurality of antenna units with each other to select one of the amplitudes as target amplitude. The antenna correction system corrects the amplitude of each of the antenna signals according to the target amplitude. As a result, the amplitudes of the antenna signals are the same as each other or approximate to each other. After the amplitudes of the antenna signals are corrected, the antenna correction system compares phases of the antenna signals with each other to select one of the phases as a target phase. The antenna correction system corrects the phase of each of the antenna signals according to the target phase. As a result, the phases of the antenna signals are the same as each other or approximate to each other.

Abstract: Phase noise reduction is described for symmetric bistatic radar. In one example, a first beat signal is generated of a second signal received at a first antenna and a third beat signal is generated at a second antenna of a first linear antenna array. A second beat signal is generated of a first signal received at a first antenna of a second linear antenna array. The first beat signal and the third beat signal are multiplied with the complex conjugate of the second beat signal to generate products that are combined to generate a phase estimation correction term that is applied to first and second sets of radar return signals.

Abstract: A system for determining a phase of a power supply coupled to a metering device. The system includes a collection device in electronic communication with a metering device connected to a power distribution network and having a memory and one or more electronic processors. The electronic processors are configured to receive a first beacon signal and measure a phasor in response to receiving the first beacon signal. The phasor is stored in the memory along with an identification value associated with the device that transmitted the first beacon signal and a first time. The electronic processors receive a second beacon signal, and extract data from the request message. The electronic processors determine whether the extracted time matches the first time and based on determining that the extracted time matches the first time stored in the memory, calculate a phase by comparing the reference phasor data to the stored phasor.

Abstract: The present invention relates to a method (300) for compensating output efficiency of a plurality of amplifiers arranged to operate with an antenna array, where the antennas in the antenna array are electromagnetically coupled to each other, for providing a desired functionality of the antenna array, the method (300) comprising the steps of obtaining (301) input signal characteristics for each amplifier; determining (302) suitable compensating control parameters for each amplifier based on at least one of the input signal characteristics of each antenna and pre-determined coupling factors between antennas; outputting (303) efficiency control signals for adjusting at least one amplifier control parameter relating to output efficiency of each antenna.

Abstract: Antenna device that is configured to perform wide angle two-dimensional scanning, and which is suitable for wireless communication protocols, wherein the antenna device comprises: i) a primary plate containing a multitude of adjacent antenna units, wherein each antenna unit is provided with a respective electrically conductive antenna patch which is provided at a top side of the primary plate, and ii) a dielectric resonator section which is arranged above the primary plate, which dielectric resonator section comprises a multitude of adjacent resonator units which are either directly or indirectly attached to the top side of the primary plate, in such a way that an individual resonator unit is arranged above each individual antenna unit.

Abstract: The present disclosure relates to a RF scanner system for mobile network testing. The scanner system comprises a switched directional antenna assembly, an RF receiver, and a positioning antenna assembly. The assembly includes several directional antennas oriented in different directions. The directional antennas are connected to at least one switch that is controlled by the RF receiver. The assembly is configured to receive a GNSS signal. The RF receiver is configured to receive the GNSS signal from the assembly. The RF receiver is configured to record information of the switching state of the switch. The RF receiver is configured to gather information of the position and/or bearing. The RF receiver is configured to combine the information of the switching state, a baseband signal and the information of the position and/or bearing, thereby generating output metadata. Further, a method of mobile network testing is described.

Abstract: A base station antenna includes a calibration circuit that has a plurality of pairs of directional couplers and an antenna array that includes a plurality of columns of radiating elements. The first polarization radiators of the radiating elements in each column are electrically connected to a first directional coupler of a respective one of the pairs, and the second polarization radiators of the radiating elements in the column are electrically connected to a second directional coupler of the respective one of the pairs. The directional couplers may be arranged in a manner that reduces in-column coupling and/or that reduces cross-column coupling between adjacent columns of radiating elements.

Abstract: A radio-frequency chip is provided, and relates to the field of chip technologies, to reduce a component loss caused by redundant components in the radio-frequency chip. The radio-frequency chip includes a phased array, the phased array includes a plurality of branches, and each of the plurality of branches includes a transmitting path, a receiving path, a common path, and a phase shifter. The phase shifter includes a first phase shift unit, a second phase shift unit, and a third phase shift unit. The first phase shift unit is located on the transmitting path, the second phase shift unit is located on the receiving path, and the third phase shift unit is located on the common path.

Abstract: Apparatuses, systems and methods of providing a smart container. The smart container contains a consumable, and includes: a container body; a label affixed to the container body; and a passive sensing tag (PST) embedded in the label. The PST includes: a backscatter antenna; a radio-frequency identification (RFID) communicative with the backscatter antenna; and at least one sensor communicative with the backscatter antenna. Responsive to a ringing from a radio frequency transceiver, the backscatter antenna provides the RFID and data from the at least one sensor. The RFID and the data are then processed to provide usage information of the consumable to a user via a dashboard available at least on a smartphone and on a desktop.

Abstract: The disclosure relates to methods for forming MmWave RF (MMW) circuits in multilayered Additively Manufactured Electronics (AME). Specifically, the disclosure relates to methods for direct and/or indirect inkjet printing of reconfigurable and/or tunable RF and/or MMW AME circuit applications.

Abstract: Provided is a radar device, wherein a transmission array antenna includes a plurality of transmission antennas that are linearly disposed in a first direction, the intervals between respective adjacent transmission antennas of the plurality of transmission antennas increase from one side toward the other side in the first direction, a reception array antenna includes a plurality of reception antennas that are linearly disposed in the first direction, and the intervals between respective adjacent transmission antennas of the plurality of reception antennas decrease from one side toward the other side.

Abstract: Systems and methods relating to multi-beam forming networks using an antenna array. A matrix circuit for feeding elements of an antenna array to produce multiple beams is provided. To address beam squint issues, beam squint is mitigated by using a series of phase shifters with specific phase-delay performances between the matrix circuit and the antenna array elements. A linearly increasing or decreasing phase difference in the signals fed into adjacent antenna array elements across the array mitigates or eliminates beam squint in the resulting multiple beams. The phase shifters are programmed to provide this increasing or decreasing phase differences.

Abstract: Various implementations disclosed herein include devices, systems, and methods that determine a transform relating poses of two mobile electronic devices using range date from a ultra-wideband (UWB) sensor and movement data from captured images. In some implementations, a distance is determined between a first mobile device and a second mobile device based on a UWB signal transmitted between the first mobile device and the second mobile device. In some implementations, first movement data corresponding to movement of the first mobile device and second movement data corresponding to movement of the second mobile device are received. The first movement data based on a camera or a sensor on the first mobile device. The second movement data is based on a camera or a sensor on the second mobile device. Then, a transform is determined that relates a pose of the first mobile device to a pose of the second mobile device based on the distance, the first movement data, and the second movement data.

Abstract: A system and associated method for calibrating a radar system is described, wherein the radar system includes a phased array antenna including a first antenna array and a second antenna array, a transmitter array, and a receiver array, communication leads, a calibration circuit, and a controller. The calibration circuit includes a power divider and directional couplers. A pilot signal is injected, via the power divider and the directional couplers, to the receivers during a quiet period. Phase offsets and gain imbalances for the receivers are determined in relation to a reference channel based upon the pilot signal, and phase calibrations and gain calibrations for the receivers are determined based upon the phase offsets and the gain imbalances, and a radar-related parameter is based upon the phase calibrations and the gain calibrations for the receivers.

Abstract: Device and method controlling for an antenna, an antenna system and a computing control device are provided. The antenna includes multiple antenna array elements and multiple phase shifters for calibrating phases of the multiple antenna array elements. The device includes a temperature sensor, a positioning unit and a computing control unit, the temperature sensor is configured to obtain temperature information of the antenna and output it to the computing control unit; the positioning unit is configured to obtain position information of the antenna and output it to the computing control unit; the computing control unit is configured to receive the position information and temperature information of the antenna, determine position information of a satellite, and control the phase shifters to adjust phases of the multiple antenna array elements according to the position information the temperature information of the antenna, the position information of the satellite and pre-stored calibration data.

Abstract: An electronic device may include an optical demultiplexer, optical combiners, optical paths between the demultiplexer and the combiners, modulators on the optical paths, and a symbol generator that generates a set of electrical OFDM symbols. The modulators may generate a set of optical OFDM symbols by mixing optical carriers with the electrical OFDM symbols. The combiners may generate an aggregate optical OFDM symbol from the optical OFDM symbols and may combine the aggregate optical OFDM symbol with an optical local oscillator signal. The aggregate optical OFDM symbol may exhibit a large bandwidth. The combiners may illuminate a photodiode, which produces current on an antenna resonating element that radiates a radio-frequency signal at frequencies greater than 100 GHz.

Abstract: A system and apparatus is provided for a modular radar system. The modular radar system can include a plurality of radar system modules that can be detachably coupled and can include a configurable number of radio-frequency (RF) transmit and receive assemblies. The RF transmit and receive assemblies can include radiating element(s) that emit electromagnetic radiation. The plurality of radar system modules can also include at least one processor coupled to control power of the electromagnetic radiation and/or at least one controller to control the RF transmit and receive assembly, the power unit and the digital receiver and exciter module, at least one digital receiver and exciter to convert RF to digital in receive mode, and digital to RF in transmit mode, and/or at least one RF beamformer to generate one or more RF beams.

Abstract: To provide an antenna set capable of forming a communication area which achieves a relatively high throughput. An antenna set comprising a group of antenna units transmitting streams by distributed MIMO, wherein the group of antenna units has a first antenna unit facing a window glass attached to a building, and a second antenna unit disposed at a distance from the first antenna unit.

Abstract: According to various embodiments of the present disclosure, an electronic device may comprise: a transceiver; a power amplifier connected to the transceiver; a power source modulator configured to supply power to the power amplifier; at least one antenna connected to the power amplifier; and at least one processor operably connected to the transceiver, the power amplifier; and the power source modulator. The at least one processor may confirm whether the state of an uplink signal transmitted through the at least one antenna is a first state, and may control the power source modulator to add a first offset value to a voltage value of power supplied to the power amplifier from the power source modulator, based on the state of a downlink signal received to the transceiver being the first state.

Abstract: A communication device for detecting an object includes a power module, an antenna array, a first sensor pad, a second sensor pad, and a control unit. The antenna array is excited by the power module, and is configured to provide a first beam group and a second beam group. The first sensor pad is disposed adjacent to the first side of the antenna array. A first capacitance is formed between the first sensor pad and the object. The second sensor pad is disposed adjacent to the second side of the antenna array. A second capacitance is formed between the second sensor pad and the object. The control unit controls the power module according to the first capacitance and the second capacitance, so as to selectively apply at least one power backoff operation to the first beam group and/or the second beam group.

Abstract: A method for excitation of an array antenna across a specified bandwidth is disclosed. The specified bandwidth comprises M sample points, M being a positive integer >1, and the array antenna comprises N antenna elements, N being a positive integer ?2. The method comprises forming a first matrix B(?) defining an allowed frequency variation for an excitation coefficient for each antenna element, and forming a second matrix defining far field data for each antenna element at each sample point. Further the method comprises optimizing each excitation coefficient based on the formed first matrix and the formed second matrix, and controlling an excitation of the N antenna elements based on the optimized excitation coefficients. Hereby presenting a method for wideband optimization of the excitation coefficients for an array antenna.

Abstract: It is disclosed a device for multipole phase division multiplexing and demultiplexing and a spatial division telecommunications system comprising the multiplexing and demultiplexing devices. The multipole phase demultiplexing device comprises a cascade of a beam transformer and a phase corrector, wherein the beam transformer performs a circular-sector transformation of a plurality of multipole phase electromagnetic beams. The multipole phase multiplexing device comprises a cascade of a beam transformer and a phase corrector, wherein the beam transformer performs a combination of |m | circular-sector transformations of a plurality of tilted electromagnetic beams.

Abstract: A defense system that receives information regarding an incoming object(s), then automatically coordinates spoofing or jamming of SATNAV signals potentially used by the incoming object(s) while also informing friendly systems of the spoofing or jamming of SATNAV signal.

Abstract: A method for scanning a scene is disclosed. According to the method, light is transmitted by a transmitter through a transmitter surface grating array, as a first elliptical pattern in a first lateral direction. Light is received by a receiver through a receiver surface grating array, from an area of a second elliptical pattern. The received light is reflected from the first elliptical pattern. The first elliptical pattern is orthogonal to the second elliptical pattern. The first elliptical pattern overlaps with the second elliptical pattern.

Abstract: The present disclosure improves an antenna characteristic related to high-frequency radio waves. An antenna device includes a first line antenna which includes a straight first feeder line, and a plurality of first antenna elements, each connected at an end to the first feeder line and extending perpendicularly from the first feeder line, and a second line antenna which includes a second feeder line and a plurality of second antenna elements that are line symmetry from the first line antenna with respect to an imaginary line parallel to the first feeder line as an axis of symmetry.

Abstract: A disclosure of the present specification provides a server for controlling a TCU mounted in a vehicle. The server comprises: a transceiver; and a processor for controlling the transceiver wherein the processor may perform the steps of: receiving channel state information regarding a wireless channel between the TCU and the base station; determining an available data rate for a combination of a plurality of transmission beams of the base station and a plurality of reception beams of the TCU; receiving a data request message of the TCU; determining a first transmission beam to be used for transmission of first data; and transmitting the first data and information regarding the first transmission beam.

Abstract: Disclosed herein A UAV and/or UAV operator detector (1) configured to be mounted to an aircraft (2). The detector comprises an array of multiple Directional Radio Frequency (RF) antennae spaced apart from one another over two or three dimensions.

Abstract: A radar detection method with receive antenna calibration includes: forming a detection matrix from signals detected by an arrangement of receive antennas in response to chirps transmitted by an arrangement of transmit antennas, the detection matrix having multiple rows corresponding to the chirps, multiple columns corresponding to a sample of the signals, and multiple planes corresponding the receive antennas; deriving a range matrix by performing a frequency transform on a portion of each row of the detection matrix; deriving a velocity matrix by performing a frequency transform on a portion of each column of the range matrix; deriving a direction-of-arrival matrix by performing a frequency transform on a portion of one or more layers of the velocity matrix; analyzing the direction-of-arrival matrix to determine a current peak width; and adjusting, based on the current peak width, phase shifts associated with one or more antennas.

Abstract: Disclosed are a method and system for acquiring massive MIMO beam domain statistical channel information. A refined beam domain channel model involved in the disclosed method is based on a refined sampling steering vector matrix. Compared with a traditional DFT matrix-based beam domain channel model, when antenna size is limited, said model is closer to a physical channel model, and provides a model basis for solving the problem of the universality of massive MIMO for various typical mobile scenarios under a constraint on antenna size. The present invention provides a method for acquiring massive MIMO refined beam domain a priori statistical channel information and a posteriori statistical channel information, the a posteriori statistical channel information comprising mean and variance information of the a posteriori channel.

Abstract: A radar device includes a plurality of transmission antennas, a plurality of reception antennas, and a processing circuitry which processes reception signals. An antenna group including first antennas which are either the plurality of transmission antennas or reception antennas such that an antenna interval between adjacent ones of the first antennas is a basic distance, is defined as a first antenna group, and an antenna group including a plurality of second antennas, different from the first antennas, such that an antenna interval between adjacent ones of the second antennas is 2 times the basic distance, is defined as a second antenna group. In a virtual reception antenna group composed of a plurality of virtual reception antennas formed by the plurality of antennas in the first antenna group and the second antenna group, an interval between adjacent ones of the virtual reception antennas is the basic distance.

Abstract: A wireless communication device includes reconfigurable receive transmit antennas having horizontal-polarization antennas and vertical-polarization antennas, where the horizontal-polarization antennas receive or transmit horizontally-polarized signal for a first period of time, where the vertical-polarization antennas transmit or receive vertically-polarized signal for a second period of time, where the horizontal-polarization receive antennas form a receive beam based on receive phase and receive amplitude information provided by a master chip, and where the vertical-polarization transmit antennas form a transmit beam based on transmit phase and transmit amplitude information provided by the master chip.

Abstract: Methods and apparatus for detecting weak beams and single photons. A reference beam interferes with a weak beam to generate an output beam. Characteristics such as propagation direction of the output beam are used to detect the weak beam.

Abstract: Disclosed herein is a swappable modular-based radiofrequency (RF) frontend that is reconfigurable to form transmitting (TX) and receiving (RX) phased array systems for diverse applications. Such swappable RF frontend may be used with unique spatial and spectral optical processing of complex RF signals over an ultra-wide frequency band. The swappable RF front end may be used in conjunction with an optically upconverted imaging receiver and/or in conjunction with optically addressed phased array technologies transmitters.

Abstract: An antenna includes a radiator arrangement and a feed mechanism operably coupled with the radiator arrangement for affecting operation of the radiator arrangement. The feed mechanism is configured to selectively operate in at least three different states. When the feed mechanism operates in a first state, the antenna operates in a first mode to provide a broadside radiation pattern. When the feed mechanism operates in a second state, the antenna operates in a second mode to provide an omnidirectional radiation pattern. When the feed mechanism operates in a third state, the antenna operates in a third mode to provide a unilateral radiation pattern.

Abstract: System and methods for Light Detecting and Ranging (LIDAR) are disclosed. The LIDAR system includes a light source configured to generate a tunable beam, an optical beam steering device positioned to receive at least a portion of the beam and configured to sweep the beam over a range of angles in a field of view (FOV) wherein each discrete frequency of the beam corresponds to a different angle in the FOV, a detector configured to generate an interference signal based on the received portions of the beam, and a processor communicably coupled to the detector. The processor is configured to cause the light source to tune the tunable beam from a first frequency to a second frequency and to calculate a range of an object corresponding to either the first frequency or the second frequency within the FOV.

Abstract: The present disclosure relates to a base station device, a communication method, and a storage medium in a wireless communication system. There is provided a base station device, comprising a processing circuitry configured to: based on a conflicting beam list, determining that at least one conflicting beam is included in a set of transmitting beams to be used for downlink transmission from a local cell in a future specific period; in response to the determining, send beam scheduling information for the future specific period to a base station of an adjacent cell, the beam scheduling information including at least information on time-frequency resources allocated to the at least one conflicting beam by the local cell.

Abstract: An air interface plane (AIP) of a radio frequency (RF) aperture includes: a circuit board having a first side and a second side opposite the first side; and a matrix of tapered elements arranged on the first side of the circuit board and secured to the circuit board, the matrix of tapered elements cooperating to at least one of receive or transmit an over-the-air RF signal. Suitably, each tapered element of the matrix has: a central hub extending along a longitudinal axis from a hub base which is proximate to the first side of the circuit board to an apex of the tapered element which is distal from the first side of the first circuit board; and a plurality of arms extending from the central hub at the apex of the tapered element, each of the plurality of arms including a first portion that projects the arm radially away from the longitudinal axis and a second portion that projects the arm longitudinally toward the first side of the circuit board.

Abstract: An antenna includes a cross-polarized feed signal network configured to convert first and second radio frequency (RF) input feed signals to first and second pairs of cross-polarized feed signals at respective first and second pairs of feed signal output ports. A feed signal pedestal is provided, which is electrically coupled to the first and second pairs of feed signal output ports, and a patch radiating element is provided, which is electrically coupled by the feed signal pedestal to the first and second pairs of feed signal output ports. This patch radiating element may be capacitively coupled to first and second pairs of feed signal lines on the feed signal pedestal, which are electrically connected to the first and second pairs of feed signal output ports.

Abstract: An optical millimeter wave terahertz transfer system and transfer method are disclosed. The device comprises a local terminal, a transfer link, an access terminal, and a user terminal. By using the device in the transfer link, optical signals transferred forward and backward are extracted through optical couplers, and millimeter wave terahertz signals with a stable phase are obtained at any position in the transfer link through optical signal filtering, photovoltaic conversion, microwave filtering, frequency division and optical frequency shift processing. The device and method have the characteristics of high reliability, simple structure, and low implementation cost.

Abstract: A method and apparatus for transmitting a wireless signal using a beamforming apparatus having a plurality of antennas is disclosed. The technique comprises: generating a first RF signal; and transmitting, using the plurality of antennas, a corresponding plurality of output RF signals to form the transmitted wireless signal; wherein transmitting the plurality of output RF signals comprises, for each antenna: splitting the first RF signal into a pair of second RF signals; shifting a respective phase of each of the pair of second RF signals; adding the phase shifted pair of second RF signals to form a third RF signal; and transmitting, using the antenna, the third RF signal as the corresponding output RF signal for the antenna.

Abstract: A beamforming method and apparatus are provided. A beamforming apparatus according to one embodiment comprises a beamforming module comprising a beam port configured to provide electrical signals; an antenna array comprising a plurality of antenna ports; and a feeding network disposed between and coupling the beam port and the antenna ports. The feeding network is configured to shunt the electrical signals provided by the beam port to the plurality of antenna ports, the electrical signals received at the antenna ports being used to control shapes of beams formed by the antenna array. An amplitude of an electrical signal shunted to an antenna port and an operating frequency of the antenna array meet a first correspondence. A phase difference between electrical signals shunted to two different antenna ports and the operating frequency meet a second correspondence.

Abstract: An antenna device and a wireless communication apparatus capable of improving performance are provided. The antenna device includes a first antenna element and a second antenna element disposed on the side of one surface of the first antenna element. The first antenna element includes a first glass substrate and a first patch antenna provided on the first glass substrate. The second antenna element includes a second glass substrate and a second patch antenna provided on the second glass substrate. The shape of at least one of the first patch antenna and the second patch antenna in a plan view is a rectangle. Contours of one or more of four corners of the rectangle include a curved line or a plurality of obtuse angles in a plan view.

Abstract: A radar receiver stage on an integrated circuit and a method of processing a received radar signal, are provided. In one aspect, the receiver stage includes a low noise amplifier adapted to be connected to a receiver antenna structure, a first programmable gain amplifier, a first programmable bandpass filter, a second programmable gain amplifier, a second programmable bandpass filter, and a programmable low pass filter. One example method includes selecting a radar system configuration including a system type comprising an FMCW system or a Doppler system, programming at least a first programmable gain amplifier stage to a first gain, programming a first programmable bandpass filter stage to a first center frequency; and programming a programmable low pass filter to a first LPF gain.