Movatterモバイル変換

[0]ホーム
URL:

Madanayake et al., 2014 - Google Patents

Combined time-delay FIR and 2-D IIR filters for EARS, radar, and imaging applications

Madanayake et al., 2014

Document ID
5156618713091035632
Author
Madanayake A
Wijayaratna S
Wijenayake C
Publication year
Publication venue
2014 IEEE 57th International Midwest Symposium on Circuits and Systems (MWSCAS)

External Links

Snippet

A linear antenna array beamforming method which significantly improves the spatial selectivity of conventional phased/timed arrays is presented. A two-dimensional (2-D) infinite impulse response (IIR) digital beam filter is employed as a pre-processing stage to existing …
Continue reading atieeexplore.ieee.org (other versions)

Classifications

The classifications are assigned by a computer and are not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the classifications listed.
    • 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
    • H01Q3/30—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 varying the relative phase between the radiating elements of an array
    • H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
    • 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
    • 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
    • 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
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • 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
    • H01Q21/06—Arrays of individually energised active aerial units similarly polarised and spaced apart
    • H01Q21/22—Aerial units of the array energised non-uniformly in amplitude or phase, e.g. tapered array, binomial array
    • 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
    • H01Q15/00—Devices for reflection, refraction, diffraction, or polarisation of waves radiated from an aerial, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • 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
    • H01Q19/28—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 using a secondary device in the form of two or more substantially straight conductive elements
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01Q—AERIALS
    • H01Q21/00—Aerial arrays or systems
    • H01Q21/0006—Particular feeding systems
    • 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
    • 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
    • H01Q25/00—Aerials or aerial systems providing at least two radiating patterns
    • 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
    • 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
    • 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

Similar Documents

PublicationPublication DateTitle
JP4569015B2 (en) Broadband array antenna
Huang et al.Frequency-domain AoA estimation and beamforming with wideband hybrid arrays
Luo et al.Low-cost smart antennas
Juárez et al.An innovative way of using coherently radiating periodic structures for phased arrays with reduced number of phase shifters
Palacios et al.Lightweight and effective sector beam pattern synthesis with uniform linear antenna arrays
Madanayake et al.Towards a low-SWaP 1024-beam digital array: A 32-beam subsystem at 5.8 GHz
CN113067616A (en)DBF phased array system based on time modulation digital super surface
Bakhar et al.Robust blind beam formers for smart antenna system using window techniques
Shevada et al.Comparative study of different beamforming techniques for 5G: A review
Perera et al.Efficient and self-recursive delay Vandermonde algorithm for multi-beam antenna arrays
Ariyarathna et al.Design methodology of an analog 9-beam squint-free wideband IF multi-beamformer for mmW applications
Wang et al.Nested array sensor with grating lobe suppression and arbitrary transmit–receive beampattern synthesis
Madanayake et al.2-D-IIR time-delay-sum linear aperture arrays
JPH09261008A (en)Filter coefficient arithmetic unit of fir type digital filter for digital beam forming device, fir type digital filter for digital beam forming device and digital beam forming device
Wei et al.Direction of arrival estimation with uniform planar array
Madanayake et al.Combined time-delay FIR and 2-D IIR filters for EARS, radar, and imaging applications
TongTime modulated linear arrays
Okorogu et al.Design and simulation of a low cost digital beamforming (DBF) receiver for wireless communication
Meena et al.Modeling and simulation of Microstrip patch array for smart antennas
CN115765814A (en)Broadband millimeter wave hybrid array beam tilt compensation method
Wang et al.Interpolation based wideband beamforming architecture
Ariyarathna et al.Mixed microwave-digital and multi-rate approach for wideband beamforming applications using 2-D IIR beam filters and nested uniform linear arrays
Edussooriya et al.Low-complexity wideband transmit array using variable-precision 2-D sparse FIR digital filters
WO2018215647A1 (en)Efficient wideband phased antenna array using true time delays and interpolation
Aghdam et al.Flexible exponential weighting function toward side lobe suppression in antenna arrays
[8]ページ先頭
©2009-2025 Movatter.jp