Adaptive Beamforming With Software-Defined-Radio Arrays
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3144959
Abstract: Digital beamforming is the holy grail of antenna array technologies, however implementing digital beamforming into practical antenna arrays has been slow due to hardware complexity and cost. We propose a relatively inexpensive new approach to… read more here.
Keywords: software; interference cancellation; software defined; interference ... See more keywords
Hybrid Analog and Digital Beamforming for mmWave OFDM Large-Scale Antenna Arrays
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Journal on Selected Areas in Communications"
DOI: 10.1109/jsac.2017.2698958
Abstract: Hybrid analog and digital beamforming is a promising candidate for large-scale millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems because of its ability to significantly reduce the hardware complexity of the conventional fully digital beamforming schemes… read more here.
Keywords: beamforming; hybrid beamforming; digital beamforming; analog digital ... See more keywords
Demonstration of Intermediate Frequency Digital Beamforming With X-Band and C-Band DBF-SARs
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Geoscience and Remote Sensing Letters"
DOI: 10.1109/lgrs.2022.3148360
Abstract: High-resolution wide swath (HRWS) imaging has become a research hotspot in the field of synthetic aperture radars (SARs) in recent years. Digital beamforming (DBF) denotes a powerful technique for obtaining the HRWS images. The DBF… read more here.
Keywords: band; dbf; ifdbf scheme; intermediate frequency ... See more keywords
Low-Cost Digital Beamforming on Receive in Phased Array Radar
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2017.2671078
Abstract: This paper presents a novel low-cost technique for digital beamforming on receive in phased array radar. The presented technique can be used to synthesize multiple beam patterns in different angular directions and can be implemented… read more here.
Keywords: beamforming receive; digital beamforming; phased array; receive phased ... See more keywords
One-Bit Digital Beamforming
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Aerospace and Electronic Systems"
DOI: 10.1109/taes.2022.3181257
Abstract: One-bit quantization technique is able to lower power consumption, save storage space, and reduce system cost, which, when tailored for radar sensing, is applicable to small-size platforms, such as unmanned aerial vehicle, small satellite and… read more here.
Keywords: bit digital; beamforming one; bit; quantization ... See more keywords
Multibeam Generation and Measurement of a DDS-Based Digital Beamforming Array Transmitter at Ka-Band
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2019.2896733
Abstract: In this paper, a Ka-band digital beamforming array transmitter (DBFAT) using direct digital synthesizer (DDS) for millimeter-wave (mmW) applications is proposed. The system architecture, realization, generation, and measurement process of multiple beams are introduced. The… read more here.
Keywords: array; multibeam; array transmitter; generation measurement ... See more keywords
Digital Beamforming Synthetic Aperture Radar (DBSAR): Experiments and Performance Analysis in Support of 16-Channel Airborne X-Band SAR Data
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2020.3027691
Abstract: In the Earth observation mission of the synthetic aperture radar (SAR), wide swath can be used to complete global monitoring in a short time and high resolution can provide rich detailed information about the feature… read more here.
Keywords: system; aperture radar; digital beamforming; sar ... See more keywords
Error Analysis for Digital Beamforming Synthetic Aperture Radars: A Comparison of Phased Array and Array-Fed Reflector Systems
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2020.3029680
Abstract: Modern synthetic aperture radar (SAR) systems for Earth observation from space employ innovative hardware concepts. The key idea is to digitize the output of a multielement antenna almost immediately after the receiver and to dynamically… read more here.
Keywords: fed reflector; digital beamforming; array fed; synthetic aperture ... See more keywords
A Robust Digital Beamforming on Receive in Elevation for Airborne MIMO SAR System
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3199424
Abstract: The echo separation issue for multiple-input–multiple-output (MIMO) synthetic aperture radar (SAR) is usually regarded as a more technical challenge. Spotlighted as a promising solution to echo separation, the well-known short-term shift-orthogonal (STSO) beamforming scheme has… read more here.
Keywords: dbf; airborne mimo; mimo sar; digital beamforming ... See more keywords
Multitarget Respiration Detection With Adaptive Digital Beamforming Technique Based on SIMO Radar
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2020.3020082
Abstract: The Doppler radar has been widely used in respiration detection. However, most of the existing microwave respiration detection works are intended for either a single human subject in front of the radar or multiple subjects… read more here.
Keywords: adaptive digital; respiration; digital beamforming; respiration detection ... See more keywords
Finite-Resolution Digital Beamforming for Multi-User Millimeter-Wave Networks
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2022.3180786
Abstract: Recent studies have shown that low-resolution analog-to-digital-converters and digital-to-analog-converters (ADCs and DACs) can make fully-digital beamforming more power efficient than its analog or hybrid beamforming counterpart over wide-band millimeter-wave (mmWave) channels. Inspired by this, we… read more here.
Keywords: multi user; millimeter wave; rate; resolution ... See more keywords