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   Articles with "vortex wave" as a keyword



Vortex Wave Directional Modulation With Time-Dependent Phase Offset FDA

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recommendations! Published in 2022 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2022.3165122

Abstract: A direction-range-time dependent vortex wave directional modulation (DM) scheme based on the frequency diverse array (FDA) is proposed for secure transmission. We design the random frequency offset for the array element in a circular arc… read more here.

Keywords: time; time dependent; directional modulation; phase ... See more keywords

Performance Analysis of Rate Splitting Multiple Access Based Vortex Wave Communications

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recommendations! Published in 2022 at "IEEE Wireless Communications Letters"

DOI: 10.1109/lwc.2022.3165711

Abstract: The vortex wave mode provides wireless communications with a new orthogonal resource for the multifold increase of spectrum efficiency. The rate splitting multiple access (RSMA) technique realizes the flexible decoding at the user equipment (UE)… read more here.

Keywords: multiple access; rate; vortex wave; splitting multiple ... See more keywords

OAM vortex wave interaction with phase modulated metasurface.

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recommendations! Published in 2024 at "Optics express"

DOI: 10.1364/oe.522316

Abstract: Phase modulated metasurface (PMM) can control the transmission state of electromagnetic (EM) wave through phase modulation scheme on the interface. Orbital angular momentum (OAM) vortex wave is denoted by the helical phase distribution of the… read more here.

Keywords: metasurface; vortex wave; phase; oam vortex ... See more keywords

Multi-user cooperative receive scheme for air-to-ground vortex wave communications

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recommendations! Published in 2025 at "China Communications"

DOI: 10.23919/jcc.fa.2022-0317.202503

Abstract: Orbital angular momentum (OAM) can achieve multifold increase of spectrum efficiency, but the hollow divergence characteristic and Line-of-Sight (LoS) path requirement impose the crucial challenges for vortex wave communications. For air-to-ground vortex wave communications, where… read more here.

Keywords: scheme; vortex wave; air ground; ground vortex ... See more keywords