Kataria et al., 2017 - Google Patents

Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B7/00—Radio transmission systems, i.e. using radiation field
  • H04B7/02—Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas
  • H04B7/04—Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
  • H04B7/08—Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
  • H04B7/0837—Diversity systems; Multi-antenna systems, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
  • H04B7/0842—Weighted combining
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system
  • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
  • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q21/00—Aerial arrays or systems
  • H01Q21/06—Arrays of individually energised active aerial units similarly polarised and spaced apart
  • H01Q21/061—Two dimensional planar arrays
  • H01Q21/065—Patch antenna array
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q1/00—Details of, or arrangements associated with, aerials
  • H01Q1/27—Adaptation for use in or on movable bodies
  • H01Q1/32—Adaptation for use in or on road or rail vehicles
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q21/00—Aerial arrays or systems
  • H01Q21/06—Arrays of individually energised active aerial units similarly polarised and spaced apart
  • H01Q21/20—Arrays of individually energised active aerial units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q21/00—Aerial arrays or systems
  • H01Q21/24—Combinations of aerial elements or aerial units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q21/00—Aerial arrays or systems
  • H01Q21/28—Combinations of substantially independent non-interacting aerial units or systems
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
  • H01Q9/04—Resonant aerials
  • H01Q9/16—Resonant aerials with feed intermediate between the extremities of the aerial, e.g. centre-fed dipole
  • H01Q9/26—Resonant aerials with feed intermediate between the extremities of the aerial, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
  • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
  • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
  • G01S3/14—Systems for determining direction or deviation from predetermined direction
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q1/00—Details of, or arrangements associated with, aerials
  • H01Q1/12—Supports; Mounting means
  • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q1/00—Details of, or arrangements associated with, aerials
  • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q25/00—Aerials or aerial systems providing at least two radiating patterns
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q19/00—Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q13/00—Waveguide horns or mouths; Slot aerials; Leaky-waveguide aerials; Equivalent structures causing radiation along the transmission path of a guided wave

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