A monopole fed omnidirectional 13dBi gain Bi-conical horn antenna for IEEE802.11ad applications

Quinlan, Terence; Walker, S.D.

doi:10.1109/lapc.2016.7807544

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Resonator-based Feed Systems1

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2018

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“…3c, instead of the parabolic reflector. A related approach involves using a dielectric resonator element instead of a metallic ring resonator [27], while omni-directional patterns can produce by using a parallel-plate feed [28]. These resonator-based antennas support two opposite handed modes of the same mode number in each resonator, whereas an SPP can only generate one mode.…”

Section: Resonator-based Feed Systemsmentioning

confidence: 99%

How orbital angular momentum modes are boosting the performance of radio links

Drysdale

Allen

Stevens

et al. 2018

IET Microwaves, Antennas & Propagation

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This paper focuses on the application of orbital angular momentum (OAM) modes for enhancing radio communications. It is shown that OAM modes can enhance the spectral efficiency of line-of-sight links where there is limited or no diversity gain, and also increase physical layer security. Multiple-input multiple-output (MIMO) systems, in comparison, can struggle to give spectral efficiency improvements in line-of-sight links because they are not typically configured to exploit OAM modes. The concept of specifically using OAM modes shows great promise provided that several challenges are addressed. This paper aims to clarify OAM in the context of applications to which it is well suited, such as high capacity point-to-point links alongside transport infrastructure, within data centres, and between buildings.

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Section: Resonator-based Feed Systemsmentioning

confidence: 99%