A Compact Frequency-Reconfigurable 36-States Patch Antenna for Wireless Applications

Boukarkar, Abdelheq; Lin, Xian Qi; Jiang, Yuan; Yang, Xin

doi:10.1109/lawp.2018.2846224

Cited by 44 publications

(26 citation statements)

References 15 publications

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“…Previously, FRA has received widespread attention from the industrial sector and academia. e characteristics of FRA have been verified and FRAs implemented in various forms, including dipole [2], slot [3,4], Vivaldi [5], patch [6,7], fractal [8], pixels [9][10][11], and reflection array [12], with their applications in radar [13], wireless communication [4,9], cognitive radio [2,5], aircraft conformal antenna [11], and satellite communication and navigation [7,12].…”

Section: Introductionmentioning

confidence: 99%

Trifrequency Reconfigurable Linear Irregular Array with Beam Deflection Capability in X/Ku/Ka-Bands

Wei²,

Zhao

et al. 2020

International Journal of Antennas and Propagation

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This paper proposes a trifrequency reconfigurable antenna (FRA), which can work in the X-band, Ku-band, and Ka-band, by controlling only two RF MEMS switches. The antenna element has a frequency ratio beyond 3 : 1 and provides a good candidate for the frequency reconfigurable antenna array, since the size of the antenna is reduced by loading multiple metal shorting holes between the antenna radiating surface and the ground plate, and the overall size is only 0.14λX × 0.35λX (λX is the free-space wavelength at 8.6 GHz). Based on the proposed FRA element, a 1 × 16 linear irregular frequency reconfigurable antenna array (FRAA) with beam deflection ability is designed, which effectively addresses the element spacing problem in the optimization of the array. In addition, the close-coupling in X-band and the grating lobe caused by the long distance of array element spacing in Ka-band are comprehensively considered. With uniform amplitude feeding network, the sidelobe level is below −15 dB under beam deflection. Moreover, both FRA elements and FRAA prototypes have been fabricated and measured to verify their superiority. Good agreements are obtained between simulated and measured results, which indicates that the antenna has potential application in the future multifrequency wireless communication and intelligent radar anti-interference fields.

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Section: Introductionmentioning

confidence: 99%

Trifrequency Reconfigurable Linear Irregular Array with Beam Deflection Capability in X/Ku/Ka-Bands

Wei²,

Zhao

et al. 2020

International Journal of Antennas and Propagation

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“…Frequency reconfigurable antennas have received much attention because they are helpful to increase spectrum utilization efficiency and relax the requirements of filters. A considerable number of designs related to the frequency reconfigurable antenna have been reported [1][2][3][4][5][6][7][8][9][10][11][12]. A linear slot antenna is often used to realize the frequency reconfigurable design, and the antenna operation band can be controlled with the PIN diodes embedded into the slot.…”

Section: Introductionmentioning

confidence: 99%

“…A typical design is described in [2], and it can provide six discrete operation bands between 2.2 and 4.75 GHz; besides, the radiation pattern of the antenna at each band is bidirectional. The design in [3] is based on a shorted microstrip antenna resonant at the quarter-wavelength mode, and the resonant frequency can be tuned with PIN diodes connected to the non-radiating edges of the patch. The frequency tunable range of the antenna is from 2.35 to 3.43 GHz, leading to an available operation bandwidth of 37%, and broadside radiation patterns are obtained within the bandwidth.…”

Section: Introductionmentioning

confidence: 99%

Frequency Reconfigurable Antenna With Conical Radiation Pattern and Wide Tuning Range

Chen¹,

Row²

2021

PIER Letters

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The antenna is mainly composed of a suspended circular patch, eight shorting posts, and a ground plane. The circular patch is loaded with two concentric annular slots, and four varactors are placed across the outer annular slot to vary the resonant frequency of the antenna. Simulated results show that the resonant frequency can be tuned from 3.25 to 5.7 GHz as the capacitance of the varactors is varied from 0.2 to 12 pF, and conical radiation patterns are obtained when the antenna is operated at each resonant frequency. In the simulation, the reversed-bias circuit of the varactor is also included, and it is found that a bias tee or an inductor is not necessary for the proposed reconfigurable antenna. Experiments are also realized using two different varactors, and the measured results indicate that the peak gains of the conical radiation patterns occur around θ = ±40 • , and they are about 4.5 ± 1.5 dBi when the constructed prototypes are operated in the frequency range from 3.1 to 5.7 GHz.

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“…Due to its high mobility ratio and fast turn ON characteristic, PIN diode has been the most favorable RF switch for the frequency reconfigurable antennas sought today in modern wireless systems. Demonstration of the PIN diode based switchable microstrip patch antenna is presented in some recently published works [18,19], for WLAN/WiMAX applications. The miniaturized dual band microstrip patch antenna array in [18] resonates at 2.2 GHz and 3.8 GHz, whereas a frequencyreconfigurability is obtained in [19] using six PIN diodes positioned symmetrically along the non-radiating edges.…”

Section: Introductionmentioning

confidence: 99%

“…Demonstration of the PIN diode based switchable microstrip patch antenna is presented in some recently published works [18,19], for WLAN/WiMAX applications. The miniaturized dual band microstrip patch antenna array in [18] resonates at 2.2 GHz and 3.8 GHz, whereas a frequencyreconfigurability is obtained in [19] using six PIN diodes positioned symmetrically along the non-radiating edges. Both the works offer a highly compact solution, with stable and directional patterns obtained on a single layer substrate.…”

Section: Introductionmentioning

confidence: 99%

An Inset-Feed On-Chip Frequency Reconfigurable Patch Antenna Design with High Tuning Efficiency and Compatible Radome Structure for Broadband Wireless Applications

Verma

Yadava

Balodi³

2021

Scientia Iranica

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A novel, dual edge-shaped frequency reconfigurable antenna with a highly compact size is proposed, using microstrip line-based inset-feed mechanism. Proposed antenna uses cost-effective ROGER substrate of 0.787 mm thickness. The tuning reconfigurability has been achieved using two PIN diode switches, placed on the patch surface. The On-Off switching combinations of the PIN diodes provide variations in the current distribution and thereby altering the resonant frequencies. The proposed antenna offers the resonating spectrum in the range of 3 GHz to 9 GHz approximately, with maximum tuning efficiency of 43 % at 6.5 GHz, covering majority of modern RF standards. The proposed patch antenna design radiates with a reasonably high gain of 2.3 dBi at 5.04 GHz, with effective bandwidth of 2800 MHz (maximum at 6.5 GHz). The proposed multiband antenna with radome structure (ABS material) has been investigated under high-frequency simulation environment of HPEEsof (ADS-Keysight Technologies) and 3d radiation pattern (far-field gain, directivity and power calculations) have been obtained using momentum and EMDS. The final implementation size (without radome structure) comes as 23 mm X 26 mm large (595 mm 2 ). The proposed design paves the way for wireless applications including WLAN and WiMAX communication with its uniform far-field radiation pattern.

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A Compact Frequency-Reconfigurable 36-States Patch Antenna for Wireless Applications

Cited by 44 publications

References 15 publications

Trifrequency Reconfigurable Linear Irregular Array with Beam Deflection Capability in X/Ku/Ka-Bands

Trifrequency Reconfigurable Linear Irregular Array with Beam Deflection Capability in X/Ku/Ka-Bands

Frequency Reconfigurable Antenna With Conical Radiation Pattern and Wide Tuning Range

An Inset-Feed On-Chip Frequency Reconfigurable Patch Antenna Design with High Tuning Efficiency and Compatible Radome Structure for Broadband Wireless Applications

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