A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Filters
An Evaluation of Orbital Angular Momentum Multiplexing Technology
2019
Applied Sciences
Preserved Fulltext
Then, we expanded our study to experimental evaluation of a dielectric lens and end-to-end wireless transmission on 28 gigahertz frequency bands. ...
We also experimentally demonstrated the effectiveness of the proposed OAM-MIMO multiplexing using a total of 11 OAM modes. ...
Then, we expanded our interest to experimental evaluation including a dielectric lens and end-to-end wireless transmission at 28 GHz frequency bands. ...
doi:10.3390/app9091729
fatcat:khyzirlbxza4veo2rwo2bypsca
Millimeter-Wave Multiplexed Wideband Wireless Link Using Rectangular-Coordinate Orthogonal Multiplexing (ROM) Antennas
2021
Journal of Lightwave Technology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
We have introduced these antennas on a photonics-enabled real-time wireless data transmission, transmitting over two channels simultaneously, without any signal processing at the transmitter (multiplex ...
We demonstrate their performance with four eigenmodes, achieving crosstalk between modes below −37.8 dB over a 14.6% relative bandwidth (57-66 GHz). ...
The one of OAM-MIMO type is 100 Gbit/s using a 40-GHz band using 7 modes, polarization duplex, and 256QAM [19] . ...
doi:10.1109/jlt.2021.3093445
fatcat:4k6mvwuw5bcvdh2uyz7yg5gxui
Multiplexed OAM Wave Communication With Two-OAM-Mode Antenna Systems
2019
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
A two-OAM-mode antenna system, which works at 2.4 GHz, is proposed in this paper. And a signal transmission experiment is performed based on a pair of the proposed antenna systems. ...
Then, the signal transmission system is built based on a pair of the proposed antenna systems. ...
In order to satisfy the channel capacity's requirement in lower wireless communication frequency band, a planar antenna system is proposed to generate OAM mode 1 and OAM mode 2 at 2.4 GHz in this paper ...
doi:10.1109/access.2018.2886553
fatcat:z6hby64nurgllastw5h7q7d2mm
RESEARCH STATUS AND PROSPECTS OF ORBITAL ANGULAR MOMENTUM TECHNOLOGY IN WIRELESS COMMUNICATION
2020
Electromagnetic Waves
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
We further discuss the controversial topic "whether OAM provides a new degree of freedom" and illustrate our views on the relationship between OAM and MIMO. ...
field. ...
In December 2018, NEC successfully demonstrated an OAM mode multiplexing experiment (using 256 QAM modulation and 8-mode OAM multiplexing) over 40 meters in the 80 GHz frequency band for the first time ...
doi:10.2528/pier20091104
fatcat:zaproajxofel3lh4mcur5jw25q
Plane Spiral OAM Mode-Group Based MIMO Communications: An Experimental Study
[article]
2021
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
A compact multi-mode PSOAM antenna is demonstrated experimentally to generate multiple independent controllable PSOAM waves, which can be used for constructing MGs. ...
In this paper, it's the first time to show and verify novel PSOAM MG based multiple-in-multiple-out (MIMO) communication link (MG-MIMO) experimentally in a line-of-sight (LoS) scenario. ...
Moreover, we have also demonstrated a trial long-distance wireless 16-QAM transmission operated at 10.2 GHz, where the distance is 50 m (beyond the Rayleigh distance).
II. ...
arXiv:2103.06677v1
fatcat:3dejao2u7nf45hfkwnuqp5khce
Orbital Angular Momentum (OAM) Multiplexing: An Enabler of a New Era of Wireless Communications
2017
IEICE transactions on communications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
Since the characteristic can be used to create multiple orthogonal channels, wireless transmission using OAM can enhance the wireless transmission rate. ...
Comparisons with other wireless transmission technologies clarify that OAM multiplexing is particularly promising for point-to-point wireless transmission. ...
Yan et al. successfully demonstrated 32 Gbps OAM multiplexing over a 60 GHz mm-wave band with four concurrent OAM modes (Mode = −3, −1, 1, and 3) with 16 QAM modulation [14] . ...
doi:10.1587/transcom.2016sci0001
fatcat:c65rjogkbjdkhbd4fd3nwuv7la
Potential Key Technologies for 6G Mobile Communications
[article]
2019
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Other Versions
Unlike previous papers which discuss in-length about the use cases, deployment scenarios or new network architectures of 6G, this paper focuses on a few potential technologies for 6G wireless communications ...
5G wireless standard development culminated between 2017 and 2019. ...
At first, the study on OAM mainly focused on the field of optical communication. ...
arXiv:1910.00730v1
fatcat:vgiy7cnzhncobnb27f7qyirzxe
Experimental demonstration of free-space information transfer using phase modulated orbital angular momentum radio
[article]
2013
arXiv
pre-print
Preserved Fulltext
The Internet Archive has a preservation copy of this work in our general collections.
The file type is application/pdf.
Other Versions
Here we report a major, decisive step toward the realization of the latter, in the form of the real-world experimental demonstration that a radio beam carrying orbital angular momentum (OAM) can readily ...
to use methods and protocols that are backward compatible with existing linear momentum ones. ...
On the same UHF S-band carrier frequency, we superimposed an untwisted (m = 0) 100 mW analogue frequency modulation (FM) transmission with the same horizontal polarization state as the OAM transmission ...
arXiv:1302.2990v2
fatcat:nirrabvj5jbo3e5xxomvdy3roa
Dynamic millimeter-wave OAM beam generation through programmable metasurface
2022
Nanophotonics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
designed and experimentally verified. ...
Millimeter-wave (mmWave) and orbital angular momentum (OAM) multiplexing are two key technologies for modern wireless communications, where significant efforts have been devoted to combining these two ...
(b) Experimental setup with a waveguide probe in near field chamber.
Figure 7 : 7 Figure 7: Far-field experimental results of the fabricated metasurface for different OAM modes. ...
doi:10.1515/nanoph-2021-0790
fatcat:jaxsg7dp3jakrjybefzx4pgiuq
Communicating Using Spatial Mode Multiplexing: Potentials, Challenges and Perspectives
[article]
2019
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Other Versions
We focus on the orbital angular momentum (OAM) modes and equally identify the challenges related to each of the applications of spatial modes and the particular OAM modes in communication. ...
Time, polarization, and wavelength multiplexing schemes have been used to satisfy the growing need of transmission capacity. ...
A 16 Gbit/s dual-OAM beam mm-wave transmission combined with a conventional 2 × 2 MIMO scheme, at a carrier frequency of 28 GHz, was presented in [185] . ...
arXiv:1808.02462v3
fatcat:ug65t42cd5d7fnxikx3mouydoa
Communicating Using Spatial Mode Multiplexing: Potentials, Challenges and Perspectives
2019
IEEE Communications Surveys and Tutorials
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Baghdady et al. performed experimental demonstration of a 3 Gbit/s underwater communication link, using two 445 nm lasers, and successfully transmitted the signal over a distance of 2.94 m modulated on ...
Multiple wavelength FSO provides better transmission, as demonstrated in [68], [69]. ...
A 16 Gbit/s dual-OAM beam mm-wave transmission combined with a conventional 2 × 2 MIMO scheme, at a carrier frequency of 28 GHz, was presented in [185] . ...
doi:10.1109/comst.2019.2915981
fatcat:c7zkoqk5pbbglm4qirle3qgmdy
Performance Analyses of the Radio Orbital Angular Momentum Steering Technique Based on Ka-Band Antenna
2017
International Journal of Antennas and Propagation
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Subsequently, simulations are conducted to explore the influence of the OAM steering on the OAM mode quality and transmission performance. ...
Furthermore, UCAs working at Ka-band with formulated feeding networks are designed and fabricated to analyze the performance of the OAM steering. ...
The transmission coefficients plotted in Figure 16 show that there is a 22 dB isolation of both modes at the central frequency (28 GHz) for nonsteering OAM waves, demonstrating good orthogonality. ...
doi:10.1155/2017/8050652
fatcat:uvugqa25qjb2xifqekjv4chqzu
Development of Wireless Techniques in Data and Power Transmission - Application for Particle Physics Detectors
[article]
2015
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Wireless data transmission was identified as one of the innovations that could revolutionize the transmission of data out of the detector. ...
Wireless techniques became a mature field for research and new developments might have impact on future particle physics experiments. ...
Figure 1 : ITRS Wireless Roadmap [26] [27] [28] To conclude, the latest research performed on Orbital Angular Momentum (OAM) multiplexing technique [29] seems very promising and could be the next breakthrough ...
arXiv:1511.05807v1
fatcat:pfal345pavg7vce5tfmkjvdxb4
Special Issue on Novel Insights into Orbital Angular Momentum Beams: From Fundamentals, Devices to Applications
2019
Applied Sciences
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
It is well-known now that angular momentum carried by elementary particles can be categorized as spin angular momentum (SAM) and orbital angular momentum (OAM) [...] ...
There are two experimental demonstrations for free-space OAM communications systems, one in the 1550 nm optical regime, and the other on 28 GHz RF frequency band. Dr. Qu and Prof. ...
To overcome the beam divergence of OAM multiplexing, the authors use a combination of multi-input multi-output (MIMO) and OAM technology, achieving a new milestone in point-to-point transmission rates ...
doi:10.3390/app9132600
fatcat:zphgmbdcfvdjfejcgrhayblpsy
Transmission Enhancement in Rectangular-coordinate Orthogonal Multiplexing by Excitation Optimization of Slot Arrays for a Given Distance in the Non-far Region Communication
2019
IEICE transactions on communications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
Then, we fabricate monopulse corporate-feed waveguide slot array antennas that have the designed excitation amplitude and phase in the 60-GHz band for the 2×2-mode two-dimensional ROM transmission. ...
, multiple-input multiple-output (MIMO), millimeter-wave antenna, munopulese circuit ...
The OAM and the ROM transmissions are kinds of analog eigenmode transmission for short-range MIMO [12] , [13] . ...
doi:10.1587/transcom.2019ebp3051
fatcat:vae6xla5mbbgpbcw5cfs7lmlnu
« Previous
Showing results 1 — 15 out of 96 results