TMA-FDA Range-Angle Beamforming With Periodic Linear-Phase Time-Modulating Waveforms

Frequency diverse arrays (FDAs) provide range-angle time-invariant transmit-receive beamforming, although a fine focus of their radiation patterns is costly since high-resolution mixers and phase shifters are required. An innovative approach to FDAs is proposed in which mixers and phase shifters are...

Full description

Saved in:
Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2022-08, Vol.21 (8), p.1602-1606
Main Authors: Maneiro-Catoira, Roberto, Bregains, Julio, Garcia-Naya, Jose Antonio, Castedo, Luis
Format: Article
Language:English
Subjects:
Array signal processing
Beamforming
beamsteering (BS)
frequency diverse arrays (FDAs)
Harmonic analysis
Mixers
Phase shifters
Power harmonic filters
Receiving antennas
Time-frequency analysis
time-modulated arrays (TMAs)
Transmitting antennas
Waveforms
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Frequency diverse arrays (FDAs) provide range-angle time-invariant transmit-receive beamforming, although a fine focus of their radiation patterns is costly since high-resolution mixers and phase shifters are required. An innovative approach to FDAs is proposed in which mixers and phase shifters are replaced by the application of periodic linear-phase time-modulating waveforms to the antenna excitations implemented with 2-bit variable phase shifters controlled with periodic on-off instants of binary sequences, which leads to a simple and precise method for FDA beam focusing.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2022.3175107