Classification prediction analysis of RSSI parameter in hard switching process for FSO/RF systems

Tóth, Ján; Ovseník, Ľuboš; Turán, Ján; Michaeli, L.; Marton, Michal

doi:10.1016/j.measurement.2017.11.044

Cited by 29 publications

(21 citation statements)

References 14 publications

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“…On the base of theoretical knowledge was designed reference microstrip patch antenna which is used as base for next optimisation process. The width of patch Wp is defined by equation (1). Where c is speed of light, f 0 is operating frequency and ε r is dielectric constant.…”

Section: Design Of Reference Patch Antennamentioning

confidence: 99%

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Comparison of Microstrip Patch Antennas Operated on 2.45GHZ

Marton¹,

Lubos²,

Jan³

et al. 2019

AEI

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Nowadays we are living in the ages of innovations. The expansions of communication systems is unbelievable. Many of devices recent are based on database and cloud systems. They need to be connected with other devices and services provider. Well known types of transmission are radio frequency (RF) and optical systems. They use different access for communication. In case of RF systems is need in/out device proposed to receiving/sending of signals. Now are available the many of types of antennas. They are divided by purpose, shape, material, value of radiated power, gain and price. For each purpose is appropriate different type of antenna. The low cost type of antenna is microstrip patch antenna. They are represented by different shapes and materials. Microstrip patch antenna contains the layer of substrate placed between two conduct layers. Parameters of antenna could be affected by change of relative permittivity of substrate. Nowadays are available many of high frequency materials with low value of relative permittivity. The point of this paper is comparison of two types of microstrip patch antennas witch different shapes of radiation patch.

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Section: Design Of Reference Patch Antennamentioning

confidence: 99%

“…The dielectric constant of substrate also dominantly affect parameters of microstrip patch antenna. This paper is focused on impact of cut out of patch antenna in U shape [1][2][3].…”

Section: Introductionmentioning

confidence: 99%

Comparison of Microstrip Patch Antennas Operated on 2.45GHZ

Marton¹,

Lubos²,

Jan³

et al. 2019

AEI

Self Cite

View full text Add to dashboard Cite

show abstract

“…A number of experimental demonstrations have shown improved reliability and reduced system outage [3], higher throughput [4] and lower power consumption [3]. Improved technological integration has also been demonstrated through advances in both soft [5], hard [6] and neural [7,8] based switching modes between each transmission media [9].…”

Section: Introductionmentioning

confidence: 99%

A Head/Taillight Featuring Hybrid Planar Visible Light Communications/Millimetre Wave Antenna for Vehicular Communications

et al. 2020

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With the emergence of the fifth generation and beyond mobile networks, both visible light communications (VLC) and radio frequency (RF) or millimetre wave (mmW) systems are expected to maintain the connectivity in various environments. In outdoor environments the link (VLC or RF) availability is paramount, which is affected by channel conditions. In particular, in vehicular communications other vehicles, harsh environment, and road geometry and structure will have the impact on the link connectivity and availability. In such cases, a front-end antenna solution, which benefits both optical and RF communication links, can be seen as an attractive option that can be fitted in future vehicles. In this paper, we present the design and practical implementation of a planar hybrid VLC/mmW antenna operating at 20.8 GHz and show measured results for characterization of RF and VLC links as well as communications performance. We have used the widely adopted on-off keying and quadrature amplitude modulation schemes with different orders to demonstrate data rates of 5 Mb/s and up to 100 Mb/s for the VLC and mmW links, respectively. By measuring the bit error rate and the error vector magnitude for VLC and Rf links, respectively for each modulation we have shown that the proposed hybrid planar antenna is suitable for example in a typical vehicle-to-vehicle communications.

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“…This is the point of this paper. Our research activities focused on increasing availability of FSO system and analysis, searching https://www.degruyter.com/view/j/cjece appropriate type of antennas for backup RF link were published in [1][2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Design of Pyramidal Horn Antenna for 2.45GHz in FEKO for Application in Experimental FSO/RF Hybrid System

Marton

Ovseník

Turán

et al. 2018

Carpathian Journal of Electronic and Computer Engineering

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Communication technologies are growing for day to day because demand on data sharing is unstoppable. Users require availability of approach to network at all time. Implementation of smart technologies allows communication of all type of devices. Capacity of data flow have to grow. Video formats HD or 4K require transmit on high data speed. Based on the demands many types of different communication systems which are suitable for these speeds were designed. One of these systems is FSO (Free Space Optics). FSO system is based on transmission of optical beams which carry the information. This system allow high data speed comparable with standard optical fiber in range to 10km. One of drawbacks of this system is LOS (Light of Sight) between communication points. The other drawback is sensitivity to weather changes. Optical beams interfere with water particles and cause attenuation on transmission path. The solution is in implementation using hybrid FSO/RF system which combines optical communication system with RF (Radio Frequency) backup link. We realized FSO communication link on Technical University of Košice. Our research is focused on design of appropriate type of antenna for our RF backup link. Our results in this area were published.

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Classification prediction analysis of RSSI parameter in hard switching process for FSO/RF systems

Cited by 29 publications

References 14 publications

Comparison of Microstrip Patch Antennas Operated on 2.45GHZ

Comparison of Microstrip Patch Antennas Operated on 2.45GHZ

A Head/Taillight Featuring Hybrid Planar Visible Light Communications/Millimetre Wave Antenna for Vehicular Communications

Design of Pyramidal Horn Antenna for 2.45GHz in FEKO for Application in Experimental FSO/RF Hybrid System

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