Frequency And Pattern Reconfigurable Slot Antenna
- Frequency And Pattern Reconfigurable Slot Antenna System
- Pattern And Frequency Reconfigurable Annular Slot Antenna Using Pin Diodes
- Frequency And Pattern Reconfigurable Slot Antenna Diagram
Frequency Reconfigurable Split Ring Antenna for LTE And WiMAX Applications
Frequency and Pattern Reconfigurable Slot Antenna Abstract: A novel frequency and pattern reconfigurable slot antenna is proposed. Slot antenna produces a bidirectional radiation pattern, thus a reflector is positioned behind of the antenna to generate a directional radiation pattern. A slot antenna having the characteristics of frequency and the pattern reconfigurability using PIN diodes is reported in. The antenna uses two switches on the slot to produce multiple resonant bands, while the four slits along with the switches produce pattern.
Integrated filter/antennas. A continuously frequency reconfigurable slot-ring antenna/array with switches and varactors is presented first. By changing the state of the loaded switches, the reconfigurable slot-ring antenna/array is able to operate as an L-band slot-ring antenna or a 2×2 S-band slot-ring antenna array.
Abstract
This paper presents frequency reconfigurable dual band antenna for WiMAX and LTE 2500 band applications using four PIN diode switches. The antenna is compact in size with dimensions of 30 x 30 x 0.8 mm3 and designed on FR-4 dielectric substrate with a partial ground plane. The fabricated antenna operates in the frequency range of LTE and WiMAX (2.5-2.69 GHz and 3.4-3.6 GHz) respectively. The frequencies can be controlled by using PIN diodes and antenna attained the gain ranging of 3.34-4.46 dBi. This designed antenna resonating at 2.52 and 3.49 GHz when the PIN diodes are in ON state and resonating at 2.68 and 3.58 GHz when PIN diodes are in OFF state. The proposed antenna has bidirectional radiation at upper frequency bands and unidirectional at lower frequency bands. The proposed split ring structured antenna has the radiation efficiency of 94.12% at 2.52 GHz and 90.34% at 3.49 GHz in ON state. Antenna providing good agreement between the measured (Antenna measurement setup with VNA) and simulated results (Ansys-HFSS).
References
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Frequency And Pattern Reconfigurable Slot Antenna System
Braham Chaouche, Y., Bouttout, F., Nedil, M., Messaoudene, I., & Benmabrouk, I. “A Frequency Reconfigurable U-Shaped Antenna for Dual-Band WIMAX/WLAN Systems”. Progress in Electromagnetics Research, vol.87, pp.63-71,2018.
Rajiya, S & Kumar, M. S, Frequency reconfigurable monopole antenna with DGS for ISM band applications. Journal of Electrical Engineering, vol. 69, no.4, pp. 293-299, 2018.
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Pattern And Frequency Reconfigurable Annular Slot Antenna Using Pin Diodes
Saravanan, M., & Rangachar, M. J. S, “Circular Ring-Shaped Polarization Reconfigurable Antenna for Wireless Communications”. Progress in Electromagnetics Research, vol.74, pp.105-113, 2018.
Ojaroudi, S., Ojaroudi, Y., & Ojaroudi, N, “Novel design of reconfigurable microstrip slot antenna with switchable band‐notched characteristic”. Microwave and Optical Technology Letters, vol 57, no.4, pp.849-853, 2015.
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Frequency And Pattern Reconfigurable Slot Antenna Diagram
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