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Reconfigurable Reflectarray Structure Based on Optimized Unit Cell for Wireless Communications, Journal of Telecommunications and Information Technology, 2025, nr 2
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Title: Reconfigurable Reflectarray Structure Based on Optimized Unit Cell for Wireless Communications, Journal of Telecommunications and Information Technology, 2025, nr 2

Autor:

Yaseen, Reham Mahmood ; Jassim, Ali Khalid

Data wydania:

2025, nr 2

Typ zasobu:

artykuł

Tytuł publikacji grupowej:

2025, nr 2, JTIT-artykuły

Opis:

kwartalnik

Abstrakt:

This paper presents a 180 × 180 × 1 mm reconfigurable reflector array structure based on an optimized unit cell for wireless communication applications. The reflector array contains 144 unit cells placed on the FR4 substrate, and each unit cell structure uses a single layer based on multi-concentric square rings. The single layer is used to obtain negative Er and ur values, while multiple rings provide a wide reflection bandwidth. The proposed structure is characterized by dual reflection bandwidth. The first band (2.6 GHz) ranges from 1.98 GHz to 4.6 GHz, while the other band (1.71 GHz), ranging from 7.41 GHz to 9.1 GHz. The reconfigurability of the structure is realized by using PIN diodes connected to each unit cell. Phase distribution in the proposed reflector structure changes according to state of the diodes, resulting in the reflection of the wave at different angles. The proposed solution was simulated in terms of S parameters, constitutive parameters and refractive index based on a full-wave analysis performed using CST Microwave Studio.

Numer:

2

Wydawca:

National Institute of Telecommunications

Identyfikator zasobu:

oai:bc.itl.waw.pl:2398

DOI:

10.26636/jtit.2025.2.2104

eISSN:

on-line: ISSN 1899-8852

Źródło:

Journal of Telecommunications and Information Technology

Język:

ang

Prawa:

Biblioteka Naukowa Instytutu Łączności

Licencja:

CC BY 4.0

Subject and keywords:

constitutive parameters metamaterial reconfigurable reflectarray unit cell

Object collections:

Last modified:

25 lut 2026

In our library since:

2 lip 2025

Number of object content hits:

176

All available object's versions:

https://ribes-54.man.poznan.pl/publication/2715

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Edition name Date
Yaseen, Reham Mahmood; Jassim, Ali Khalid, Reconfigurable Reflectarray Structure Based on Optimized Unit Cell for Wireless Communications, Journal of Telecommunications and Information Technology, 2025, nr 2 25 lut 2026

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