Frequency And Pattern Reconfigurable Slot Antenna

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Frequency And Pattern Reconfigurable Slot Antenna Rating: 9,6/10 6425 reviews

A frequency and pattern reconfigurable slotted antenna was designed by Majid et al. In 8 and achieved through incorporating two switches in the slot (for frequency reconfigurable) and three. Design of Frequency and Pattern reconfigurable Wideband Slot antenna Regards VDesign Contact Details +372 +215 Mail ID: vdesignbuildsu@gmail.com Kindly check other projects CPW. Pattern reconfigurable antenna using annular slot antenna operating in low frequency. A shorting pin is inserted to allow the annular slot antenna to have an omnidirectional radiation pattern like a monopole antenna. The reconfigurable antenna consists of numerous metal cylinders arranged around the annular slot antenna.

Frequency And Pattern Reconfigurable Slot Antenna Diagram
Design Of Frequency- And Pattern-reconfigurable Wideband Slot Antenna
Frequency And Pattern Reconfigurable Slot Antennas

Source

2007 International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications>516 - 518

Abstract

This paper proposed a frequency reconfigurable CPW center-fed slot antenna. Four pin-diodes are utilized to switch the length of the slot. By tuning the different pairs of diodes on or off, three resonant frequency bands can be obtained. The simulated and measured results validate this concept. This antenna architecture is interesting for wireless applications because it is easily fabricated and integrated with RF circuitry.

Identifiers

book ISBN :	978-1-4244-1044-6
book e-ISBN :	978-1-4244-1045-3
DOI	10.1109/MAPE.2007.4393668

Authors

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Yibo Chen

Xidian Univ., Xi'an

Xufeng Liu

Xidian Univ., Xi'an

Yongchang Jiao

Xidian Univ., Xi'an

Fushun Zhang

Xidian Univ., Xi'an

Keywords

slot antennasantenna feedscoplanar waveguidesp-i-n diodesRF circuitryfrequency reconfigurable slot antennaCPW center-fed slot antennapin-diodesresonant frequency bandsantenna architecturewireless applicationsCPWreconfigurableslot antenna

Pattern and frequency reconfigurable annular slot antenna using pin diodes

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Source

2010 IEEE Antennas and Propagation Society International Symposium>1 - 4

Abstract

A pattern reconfigurable U-slot antenna on a microwave substrate is presented. The antenna consists of a U-slot patch and eight shorting posts. Each edge of the square patch is connected to two shorting posts by PIN diodes. By switching between the different states of the PIN diodes, the proposed antenna can radiate boresight or conical patterns; moreover, the position of the main lobes of the conical pattern can also be changed between two orthogonal planes of the conical beam. The predicted overlapping impedance bandwidth ( s₁₁ ≤-10 dB) is 6.5% with a center frequency of 5.24GHz. Preliminary theoretical results on impedance bandwidths and radiation patterns for the different states of the reconfigurable antenna are described.

Identifiers