The Circular Polarization Diversity Antennas Achieved by a Fractal Defected Ground Structure
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2927280
Abstract: This paper proposes the circularly polarized (CP) antennas with a restored radiation pattern for the polarization diversity applications. The proposed CP antennas have dual polarizations, the left-handed circularly polarized (LHCP) antenna is designed for transmitting… read more here.
Keywords: polarization diversity; fractal defected; defected ground; ground structure ... See more keywords
Circular Polarization Diversity Implementation for Correlation Reduction in Wideband Low-Cost Multiple-Input-Multiple-Output Antenna
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.2995723
Abstract: In this paper, a multiple-input-multiple-output (MIMO) antenna featuring circular polarization diversity, and designed on a common coplanar ground is presented. The proposed antenna design utilizes a coplanar waveguide (CPW) feeding technique with three parallel coplanar… read more here.
Keywords: polarization diversity; circular polarization; multiple input; antenna ... See more keywords
A Time Modulated Array With Polarization Diversity Capability
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3070492
Abstract: The Time Modulated Array (TMA) provides multiple radiation beams at different frequencies, by turning the radiating elements on and off. In this paper, we propose to add polarization diversity to a wireless communication link by… read more here.
Keywords: polarization diversity; modulated array; polarization; time modulated ... See more keywords
Nonduplicate Polarization-Diversity 32 × 32 Silicon Photonics Switch Based on a SiN/Si Double-Layer Platform
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2019.2934763
Abstract: We fabricate and characterize a polarization-diversity 32 × 32 silicon photonics switch by newly introducing SiN overpass waveguides onto our nonduplicate polarization-diversity path-independent insertion-loss switch. The SiN overpass waveguides are used to simplify the optical… read more here.
Keywords: silicon photonics; polarization diversity; sin; polarization ... See more keywords
Mitigating Indoor Channels With Quad-Polarization Diversity
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2019.2912020
Abstract: In this letter, we evaluate the performance of a reconfigurable, planar antenna design to mitigate frequency-selective, multipath fading. Prior work has shown that the diversity provided by two or three polarizations can significantly improve system… read more here.
Keywords: polarization diversity; channels quad; indoor channels; mitigating indoor ... See more keywords
Optimal Polarization Diversity Gain in Dual-Polarized Antennas Using Quaternions
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Signal Processing Letters"
DOI: 10.1109/lsp.2018.2799569
Abstract: Over the past few decades, wireless communication aims to support high data rates and reliability and thus several techniques exploiting space, time, and polarization diversities have been used to achieve large diversity gains. Orthogonal space… read more here.
Keywords: diversity; optimal polarization; polarized antennas; polarization ... See more keywords
Exploiting Polarization Diversity to Improve Cyclostationary-Based LPD Properties of CDMA
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3213974
Abstract: This letter investigates reduction in the degree of cyclostationarity (DCS) of digital communication signals in the presence of polarization diversity. Reduction in DCS decreases the probability of detection of an intruder that searches for periodic… read more here.
Keywords: polarization diversity; exploiting polarization; diversity improve; improve cyclostationary ... See more keywords
A CRLH-TL Inspired Dual-Band Antenna With Polarization Diversity for Wrist-Worn Wireless Body Area Network Devices
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Antennas and Propagation"
DOI: 10.1109/tap.2023.3263944
Abstract: A wrist-worn dual-band smartwatch antenna with polarization diversity is proposed for smartwatches. The antenna has a cylindrical structure with a diameter of 33.6 mm and a height of 6.8 mm. The radiated structure is inspired… read more here.
Keywords: band; wrist worn; polarization diversity; antenna ... See more keywords
Polarization Diversity-Enabled LOS/NLOS Identification via Carrier Phase Measurements
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2023.3236381
Abstract: The provision of accurate localization is an increasingly important feature of wireless networks. To this end, a reliable distinction between line-of-sight (LOS) and non-LOS (NLOS) radio links is necessary to avoid degenerative localization estimation biases.… read more here.
Keywords: carrier; carrier phase; los nlos; polarization diversity ... See more keywords
A QPSK 110-Gb/s Polarization-Diversity MIMO Wireless Link With a 220–255 GHz Tunable LO in a SiGe HBT Technology
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2020.2986196
Abstract: In this article, a polarization-diversity technique multiple-input multiple-output (MIMO) is demonstrated to double the spectral efficiency of a line-of-sight quadrature phase-shift keying (QPSK) wireless link at 220–255 GHz with a pair of highly integrated single-chip… read more here.
Keywords: polarization diversity; wireless link; ghz; link 220 ... See more keywords
Non-duplicate polarization-diversity 8 × 8 Si-wire PILOSS switch integrated with polarization splitter-rotators.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.010885
Abstract: We demonstrate a fully integrated polarization-diversity 8 × 8 thermo-optic Si-wire switch that uses only a single path-independent insertion loss (PILOSS) switch matrix. All input/output ports of the PILOSS switch matrix are uniquely assigned for… read more here.
Keywords: integrated polarization; switch; polarization; piloss switch ... See more keywords