Two element MIMO antenna with frequency reconfigurable characteristics utilizing RF MEMS for 5G applications

Hassan, Muhammad Mateen; Zahid, Zeeshan; Khan, Adnan; Rashid, Imran; Rauf, Abdul; Maqsood, Moazam; Bhatti, Farooq Ahmed

doi:10.1080/09205071.2020.1765883

Cited by 33 publications

(36 citation statements)

References 32 publications

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“…Выбор конкретной элементной базы и топологии зависит от решаемой проблемы, но в общем случае при выборе переключателя следует учитывать такие характеристики, как импеданс, нормальное состояние (включен или выключен), полосу частот, допустимую мощность и время срабатывания [1]. В настоящее время наиболее часто используется реконфигурирование с целью настройки по частоте [2][3][4][5][6][7][8][9][10][11][12][13][14]. Реконфигурируемые антенны с переключаемой поляризацией описаны в работах [15][16][17][18][19][20][21][22][23][24][25].…”

Section: Directional and Polarisation Properties Of A Microstrip Reconfigurable Antenna With Tunable Frequency And Polarisationunclassified

Directional and Polarisation Properties of a Microstrip Reconfigurable Antenna With Tunable Frequency and Polarisation

Vaganova¹,

Kisel²,

Panychev³

2021

IZVESTIYA SFedU. ENGINEERING SCIENCES

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Section: Directional and Polarisation Properties Of A Microstrip Reconfigurable Antenna With Tunable Frequency And Polarisationunclassified

Directional and Polarisation Properties of a Microstrip Reconfigurable Antenna With Tunable Frequency and Polarisation

Vaganova¹,

Kisel²,

Panychev³

2021

IZVESTIYA SFedU. ENGINEERING SCIENCES

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“…It is seen that this structure behaves as a band-pass filter at low frequency and a stop band at the high band. At f>fc where fc is determined by Equation (10), no wave can pass through the structure of adjacent arcs. That is why this structure can reduce mutual coupling between two antenna elements for a wideband covering all eight antenna bands.…”

Section: Mimo Antenna a Design Of Mimo Antennamentioning

confidence: 99%

“…In recent years, various isolation techniques were introduced to reduce the mutual coupling. However, most of them concentrated on single-band MIMO antennas, several ones affected multiband MIMO antennas, and a few ones studied for frequency reconfigurable MIMO antennas [10]- [12]. M.M.…”

Section: Introductionmentioning

confidence: 99%

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Frequency Reconfigurable Multiband MIMO Antenna Base on Gradient Arcs for IoT Devices

Sang

2021

AEM

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A frequency reconfigurable multi-band MIMO antenna is presented in this study. The single antenna consists of only one PIN diode that can change antenna operating frequencies from different quad-band to another one. Their bands not only cover the popular NB-IoT bands such as 900MHz, 1.8GHz, 2.4GHz for Z-Wave, ZigBee, RFID, GSM communication but also contain 5G IoT bands which are 2.4GHz, 2.6 GHz and 5GHz for LTE-A, 802.11n, ac, and 5G below 10GHz. Basing on the complex structure of ring and new moon shape, the single antenna achieves a compact size of 30 mm x 30 mm x 1.6 mm which is about 76% reduction compared to a conventional ring antenna at 900MHz. Besides, a structure of gradient arcs is proposed to decrease mutual coupling among closed-spaced elements of MIMO antenna for the distance of 0.033l at the lower band from edge to edge. The proposed antennas are analyzed by CST software, VNA measurement, and IEEE 802.11 USB Adapter that the simulated, measured as well as experimental results are agreed well.

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“…Today's wireless communication system demands for multiband operation, high data rate, and high channel capacity [1]. Also the system complexity must be decreased.…”

Section: Introductionmentioning

confidence: 99%

A Compact Frequency Reconfigurable Printed Antenna for Wlan, Wimax Multiple Applications

Singh¹,

Sharma²,

Goswami³

2020

PIER C

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In this research work a compact patch antenna which is reconfigurable for frequency is presented. Frequency reconfigurability is achieved by the use of two PIN diodes. Antenna operates over four frequencies, i.e., for WiMax (4.94 GHz), WLAN (5.35), and C-Band (6.25 and 6.83 GHz) applications. The overall dimension of antenna is 25 × 25 mm 2 , and an FR-4 substrate having dielectric constant of 4.4 and thickness 1.6 mm is used to fabricate the prototype of the proposed antenna. Different resonant frequencies are obtained by cutting a-slot and a U-slot in radiating patch and by modifying ground slot with a modified slotted structure. One diode is used in ground, and another PIN diode is used on the patch at an appropriate position. Maximum gain of 3.91 dBi and stable radiation characteristics and VSWR < 2 are obtained at the operating bands in simulation and measurement. The antenna elicits its novelty through compactness, portability for communication devices through combination of only two PIN diode switching in cellphones, tablets PCs, and other satellite communication devices operating in C-band as per FCC standard. A prototype of antenna is fabricated, and the measured and simulated parameters are in good agreement.

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Two element MIMO antenna with frequency reconfigurable characteristics utilizing RF MEMS for 5G applications

Cited by 33 publications

References 32 publications

Directional and Polarisation Properties of a Microstrip Reconfigurable Antenna With Tunable Frequency and Polarisation

Directional and Polarisation Properties of a Microstrip Reconfigurable Antenna With Tunable Frequency and Polarisation

Frequency Reconfigurable Multiband MIMO Antenna Base on Gradient Arcs for IoT Devices

A Compact Frequency Reconfigurable Printed Antenna for Wlan, Wimax Multiple Applications

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