H01Q3/385

Signal receiving method and apparatus, and computer-readable storage medium and electronic device

A signal receiving method and apparatus, a computer readable storage medium and an electronic device are disclosed. The signal receiving method includes: acquiring a maximum scanning angle range of a phased-array antenna; and reducing the maximum scanning angle range by a binary search method, based on power of signals received by the phased-array antenna, until a difference between a maximum and a minimum of a reduced scanning angle range is less than a set value; and using the reduced scanning angle range to receive a signal.

Active phased array antenna device and power supply control method

An active phased array antenna (APAA) device includes antenna elements, active circuits, switches, and a control circuit. The antenna elements transmit and receive radio waves. The active circuits are connected to the antenna elements and start an operation upon supply of power distributed from a power supply circuit and transmit and receive signals via the antenna elements to which the active circuits are connected. The switches are connected to the active circuits, and start, upon being closed, supply of power to the active circuits to which the switches are connected, and stop, upon being opened, the supply of power to the active circuits to which the switches are connected. The control circuit transmits to the switches switching signals to turn the switches on and off to control starting and stopping of the supply of power to the active circuits. The control circuit sets timing differences in execution timings of executing the start of the stop of supply of power to the active circuits.

Using a steerable beam of RF energy to eliminate viruses and/or bacteria from a volume of air
11471544 · 2022-10-18 ·

Pathogens (e.g., viruses or bacteria) within a volume of air can be killed or deactivated using RF energy. A plurality of phase shifters input an RF signal and output a phase-shifted version of the RF signal at their respective outputs, wherein an amount of phase shift introduced by each of the phase shifters is controllable. A phased array antenna has a plurality of microwave radiators, and each of the respective outputs of the phase shifters drives a respective one of the microwave radiators. A controller controls the phase shifters to drive the phased array antenna such that a beam of RF energy emanates from the phased array antenna and sweeps through a volume positioned in front of the phased array antenna, and the beam of RF energy kills or deactivates the pathogens.

Active Software Defined Electronically Stirred Phased Array Antenna
20230063390 · 2023-03-02 ·

An aviation antenna assembly may include a plurality of antenna elements, a directional control switch associated with each of the antenna elements to enable each of the antenna elements to transition between transmitting via a transmission via a transmit chain or receive via a receive chain, beam forming network elements disposed in the transmit chain and the receive chain, and an electronically controlled phased array stirring assembly operably coupled to the directional control switch of each of the antenna elements and to the beam forming network elements to perform electrical stirring with respect to signals in the transmit chain and the receive chain. The antenna elements, the directional control switch, the beam forming network elements, and the electronically controlled phased array stirring assembly of the antenna assembly are all disposed within a single radome attachable to an aircraft body.

Interference mitigation in multi-antenna system

There is set forth herein, in one embodiment, receiving an aggregate scanning signal stream from a set of scanning antennas configured in a scanning configuration; receiving aggregate communication signal streams from first to Nth sets of communication antennas configured in respective communication configurations; identifying an interfering signal stream within the aggregate scanning signal stream and determining a direction associated to such interfering signal stream, wherein the identifying and determining are performed with use of processing of the aggregate scanning signal streams received from the scanning antennas configured in a scanning configuration; and returning an action decision responsively to the identifying and the determining.

Time division multiplexed monopulse AESA comparator network
11506750 · 2022-11-22 · ·

A dual or quad aperture radar array switches between states in between radiation cycles to acquire both sum and difference beams. The beams are then processed together to produce a central lobe enhanced beam and a side lobe enhanced beam via difference computations. During interleaved cycles, beams may be processed by Taylor weighting, split Taylor weighting, or Bayliss weighting. Multiple sets of switching cycles may be processed together to refine results.

MULTI-BEAM MULTI-FUNCTION AESA SYSTEM

A system and method for a multi-beam multi-function active electronically scanned array (AESA) radar operation receives radar commands from individual aircraft systems and segments a single AESA fixed panel into a plurality of subarrays to carry out each individual function commanded by the individual aircraft system. Dependent on aircraft status and phase of flight, the subarrays are sized based on desired radar function at the specific phase of flight and specific threat associated with the phase. The system dynamically shifts the subarray size, beam characteristics, power settings, and function to enable multiple function of a cost effective single AESA panel.

Multibeam cross bar electronically scanned array
11367954 · 2022-06-21 · ·

An antenna system and method includes or uses a set of M antenna structures and a cross bar beam former. The analog (or digital) cross bar beam former includes a set of M N to 1 (M(N×1)) interfaces, each of the M N to 1 interfaces having a first line coupled to a respective one of the set of the M antenna structures. The cross bar beam former also includes a set of N 1 to M (N(1×M)) interfaces, each of the N 1 to M interfaces having a set of M second lines, each of the M second lines being coupled to a respective one of the M N to 1 interfaces. Each of the N 1 to M interfaces includes a third line for a respective one of N independent beams.

MODULE COMPONENT, ANTENNA MODULE, AND COMMUNICATION DEVICE
20220029273 · 2022-01-27 · ·

A module component includes a substrate having a first principal surface, a semiconductor substrate disposed on the first principal surface of the substrate, multiple terminals, and a resin layer. The terminals include multiple reference-potential terminals, which are electrically connected to the reference potential, and multiple signal terminals, which are disposed adjacent to at least one of the reference-potential terminals in the direction along an end portion of the substrate and which are supplied with a signal. In a plan view in the direction perpendicular to the first principal surface of the substrate, in at least one of the reference-potential terminals, the support portion is disposed between an end surface of the connection portion and the end portion of the substrate, and, in at least one of the signal terminals, the end surface of the connection portion is disposed between the support portion and the end portion of the substrate.

Using a Steerable Beam of RF Energy to Eliminate Viruses and/or Bacteria From a Volume of Air
20210353787 · 2021-11-18 ·

Pathogens (e.g., viruses or bacteria) within a volume of air can be killed or deactivated using RF energy. A plurality of phase shifters input an RF signal and output a phase-shifted version of the RF signal at their respective outputs, wherein an amount of phase shift introduced by each of the phase shifters is controllable. A phased array antenna has a plurality of microwave radiators, and each of the respective outputs of the phase shifters drives a respective one of the microwave radiators. A controller controls the phase shifters to drive the phased array antenna such that a beam of RF energy emanates from the phased array antenna and sweeps through a volume positioned in front of the phased array antenna, and the beam of RF energy kills or deactivates the pathogens.