Wi-Fi transmission and multi-band shielding using single-layer frequency selective surface

Sohail, S.

doi:10.1109/aps.2016.7696190

Cited by 7 publications

(4 citation statements)

References 10 publications

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“…Thus, multiband FSS structures gain popularity over single band structures. A dual-band solution is reported in [23] for shielding in ISM and UMII bands. Similarly, a quad-band high profile structure FSS structure is reported in [24] for reducing electromagnetic interferences.…”

Section: Introductionmentioning

confidence: 99%

Design of Polarization Insensitive Frequency Selective Surface for Electromagnetic Shielding Application

Bikkuri¹,

Bhavan²

2021

PIER Letters

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In this paper, a low profile Frequency Selective Surface is presented, for obtaining electromagnetic shielding in four distinct frequency regions. The designed structure consists of three rectangular strips Resonators, Jerusalem cross in the top side and diagonal metallic strips on bottom side of the dielectric. The proposed structure provides electromagnetic shielding at 9.9 GHz, 12.3 GHz, 13.5 GHz, and 16.4 GHz frequency regions. Besides these frequency regions, we also obtain five transparent windows suitable for telemetry application. The prototype of the proposed structure is fabricated. It is observed that the measured results are nearly similar to simulated results because of minor fabrication errors. Furthermore, the proposed low profile structure can be deployed for applications like radome, spatial filters, antenna reflectors, and RCS reductions.

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Section: Introductionmentioning

confidence: 99%

Design of Polarization Insensitive Frequency Selective Surface for Electromagnetic Shielding Application

Bikkuri¹,

Bhavan²

2021

PIER Letters

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“…The FSS are exhaustively studied in the literature [1] and implemented in many applications, such as shielding [2][3][4][5][6][7][8]. The various geometries that have been used in the unit cell of the FSS were rings of the square and circular shapes [2][3][4][5][6], crosses [7], hexagons [8], and U-shaped slots and strips [9].…”

Section: Introductionmentioning

confidence: 99%

“…A critical analysis of square, hexagonal, and circular FSS unit cells for a dual passband for GSM 900 & 1800 MHz frequencies was presented in [5]. A unit cell of the double circular ring was studied in [6], where the FSS was designed to attenuate the mobile bands of 0.8, 0.9, 1.8, and 1.9 GHz, but transmits the Wi-Fi 2.45 GHz band. The FSS was built on a float-glass to isolate the intensive care rooms of hospitals from mobile phone calls while leaving the Wi-Fi wave to pass through.…”

Section: Introductionmentioning

confidence: 99%

A Dual Stopband Frequency Selective Surface for Mobile Shielding Applications

Mayouf¹,

Sayidmarie²,

Ali³

2020

Proceedings of the Proceedings of the 1st International Multi-Disciplinary Conference Theme: Sustainable Development and Smart

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A dual stopband frequency selective surface (FSS) for shielding two bands of the mobile frequencies is proposed. The designed FSS consists of periodic cells of concentric rings to prevent transmission of the two mobile frequencies of EGSM-900 and DCS-1800. The designed FSS is simulated in CST Microwave suit. The equivalent circuit for the two rings is analyzed, and an estimate for the frequency of the transmission in terms of the two stop frequencies is derived. The results show a stable response with various polarization angles. The obtained insertion loss is more than 30 dB across the two bands. This FSS can be used to isolate halls or reduce undesired radiation from nearby mobile base stations.

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“…State of the art demonstrates that there is a need of electromagnetic shielding especially from healthcare and data security point of view [5,6]. To replace currently used complex manufacturing processes e.g.…”

Section: Introductionmentioning

confidence: 99%

Investigation on inkjet printing for electromagnetic compatibility application

Hartwig

Polomoshnov

Zichner

et al. 2018

TLS

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The research is focused on the development of inkjet-printed silver grids on flexible films to (I) attenuate electromagnetic waves at 2.45 GHz locally by applying them directly on Wi-Fi or Bluetooth transmitter or to (II) protect electromagnetic compatibility (EMC) sensitive devices close to electromagnetic transmitters. The inkjet printing technology leads to resource, time as well as cost efficient manufacturing and simplifies the adjustment of the pattern design regarding different applications. The research contains a fundamental analysis of the behavior of printed silver patterns on flexible polymer substrates regarding line widths, layer morphology and electrical performance. On that basis the grid pattern for a certain frequency range is simulated. The report shows first simulation results on basis of the given material parameters. The results are the fundamentals for further research on realization of the simulated grid patterns by inkjet printing technology.

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Wi-Fi transmission and multi-band shielding using single-layer frequency selective surface

Cited by 7 publications

References 10 publications

Design of Polarization Insensitive Frequency Selective Surface for Electromagnetic Shielding Application

Design of Polarization Insensitive Frequency Selective Surface for Electromagnetic Shielding Application

A Dual Stopband Frequency Selective Surface for Mobile Shielding Applications

Investigation on inkjet printing for electromagnetic compatibility application

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