A Parallel Plate Ultrawideband Multibeam Microwave Lens Antenna

Manoochehri, Omid; Darvazehban, Amin; Salari, Mohammad Ali; Emadeddin, Ahmad; Erricolo, Danilo

doi:10.1109/tap.2018.2845548

Cited by 41 publications

(9 citation statements)

References 19 publications

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“…Using a lens aerial is a different method. (MANOOCHEHRI et al, 2018), (MEI Z L et al, 2012). When a lens is activated by several feeds at various points, the focusing or reflecting function of the lens can vary the direction in which the electromagnetic wave propagates, producing numerous radiation beams.…”

Section: Introductionmentioning

confidence: 99%

Design and Simulation of Transceiver Antennas in FSO Technology within the 5G Networks

Almalki¹,

Affandi²,

Syed³

2023

AJRSP

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There is an urgent need for high-capacity connection with high data transfer rate in densely populated areas due to the rapid growth of mobile communication technologies and the explosion of data traffic. Multi beam antennas have generated a lot of research interest and have been extensively explored for base station applications due to their ability to boost communication capacity and sustain a high data transfer rate. Multi-beam antennas based on Butler matrices (MABBMs) are also appropriate for base station applications because to their advantages of high gain, simple design, and low profile. This paper's goal is to give a summary of the current MABBMs. The presentation of MABBMs includes its specifications, operating principles, design methodology, and implementation. In the final section, the difficulty of MABBMs for 3G/LTE/5G/B5G base station applications is discussed. The paper is divided into six sections, in the first section an introduction, in the second section base station application standards are presented, the design strategy and operating principles of MABBMs in the third section, and the latest developments in MABBM research for mobile communication systems are addressed in the fourth section, and challenges are presented in fifth Section, and conclusions are presented in the sixth Section.

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Section: Introductionmentioning

confidence: 99%

Design and Simulation of Transceiver Antennas in FSO Technology within the 5G Networks

Almalki¹,

Affandi²,

Syed³

2023

AJRSP

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“…Although antenna design considerations are usually determined by specific application and system considerations, in general, printed monopole antennas are small in size with return loss, gain, and radiation patterns that can produce extensive bandwidth. It is well known that UWB-printed monopole antennas offer exciting features such as a simple shape, an extensive bandwidth of more than 3 to 10 GHz, a small size, and ease of manufacturing [5]- [8].…”

Section: Introductionmentioning

confidence: 99%

Bevel Modification Effect on Rectangular Patch for UWB Using Theory Characteristics Mode

Sabila

Damayanti

2022

Buletin Ilmiah Sarjana Teknik Elektro

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Ultra-wideband (UWB) is a communications technology that operates on frequencies between 3.1 and 10.6 GHz and has a wide bandwidth. This paper aims to look at the radiation characteristics of the structure using the Theory Characteristic Mode on a rectangular antenna with bevel modifications at the end of the patch. It can be seen from the active mode at the appropriate frequency to validate the antenna performance results. It was found that the proposed antenna has four operational modes in the antenna design before modification and seven active modes in the antenna design after modification. The antenna is made of FR-4 material with a thickness of 1.575 mm and a dielectric constant of 4.3. The bandwidth in the error measurement is around 7 GHz and a frequency range of 3.18 - 10.915 GHz with an S11 value of less than -10 and a VSWR value of less than 2. Ultra-wideband (UWB) adalah teknologi komunikasi yang beroperasi pada frekuensi antara 3,1 dan 10,6 GHz dan memiliki bandwidth yang sangat lebar. Makalah ini bertujuan untuk melihat karakteristik struktur radiasi menggunakan Theory Characteristic Mode pada antena rectangular dengan modifikasi bevel diujung patch. Untuk validasi hasil performansi antena dapat dilihat dari mode aktif pada frekuensi yang sesuai. Ditemukan bahwa antena yang diusulkan memiliki 4 mode aktif pada desain antena sebelum modifikasi dan 7 mode aktif pada desain antena sesudah modifikasi.. Antena terbuat dari bahan FR-4 dengan ketebalan 1,575 mm dan konstanta dielektrik 4,3. Bandwidth yang dicapai pada pengukuran adalah disekitar 7 GHz dan rentang frekuensi 3,18 - 10,915 GHz dengan nilai S11 kurang dari -10 dan nilai VSWR kurang dari 2.

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“…To avoid that limitation, pattern reconfigurable antennas can be used as the scanning platform. Traditional beam switching techniques such as beamforming networks [19,20], lens structures [21,22] and phased arrays [23,24], are effective. Yet, they increase the complexity and size of the system, especially at lower microwave frequencies.…”

Section: Introductionmentioning

confidence: 99%

Programmable Metasurface Antenna for Electromagnetic Torso Scanning

2020

Self Cite

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A wideband beam-switching metasurface antenna using programmable unit-cells is proposed for electromagnetic torso scanning. The design aims at changing the intensity of the electric field inside the torso without any mechanical movements and thus enables fast electronic scanning of the torso. The antenna consists of an H-shape microstrip-fed slot as the radiator and a metasurface layer containing 5×5 programmable square ring resonator as the superstrate layer. Four PIN diodes are embedded in each cell to alter the electric field intensity within the metasurface layer and consequently switch the radiation pattern in the azimuth plane, elevation plane, and diagonal axis of the metasurface layer. As a proof of concept, a prototype antenna capable of switching the radiation pattern from-25 0 to +25 0 in the azimuth (x-z) plane is fabricated and measured. The antenna, which has the compact size of 0.9λ0×0.9λ0×0.06λ0 (where λ0 is the wavelength at the center operation frequency), achieves a wide bandwidth of 30% at 0.9-1.2 GHz. The peak measured gain is 9.5 dBi with maximum front to back ratio of 12 dB. The fabricated antenna is successfully tested on altering the intensity of the electric field at right, center and left sides of a torso phantom. INDEX TERMS Pattern reconfigurable antenna, metasurfaces, torso scanner, electronic beam switching

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A Parallel Plate Ultrawideband Multibeam Microwave Lens Antenna

Cited by 41 publications

References 19 publications

Design and Simulation of Transceiver Antennas in FSO Technology within the 5G Networks

Design and Simulation of Transceiver Antennas in FSO Technology within the 5G Networks

Bevel Modification Effect on Rectangular Patch for UWB Using Theory Characteristics Mode

Programmable Metasurface Antenna for Electromagnetic Torso Scanning

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