S shaped hexaband frequency reconfigurable antenna

2020 ◽  
Vol 10 ◽  
Author(s):  
Poonam Thanki ◽  
Falguni Raval
Keyword(s):  
Mobile Phone ◽  
Reconfigurable Antenna ◽  
Pin Diode ◽  
Pin Diodes ◽  
Compact Size ◽  
Communication Devices ◽  
Frequency Reconfigurable Antenna

: This paper presents S shaped frequency reconfigurable antenna which gives six operating bands. The size of proposed antenna is 26×12 mm2.The FR4 substrate having thickness of 1.6 mm is used for this antenna. The proposed antenna resonates at six different frequencies i.e. at 2.76 GHz, at 2.98 GHz, at 4 GHz, at 4.6 GHz, at 4.96 GHz and at 5.28 GHz depending upon the ON/OFF states of PIN diodes. The lumped RLC elements are used in HFSS simulation in order to reconfigure the frequency of antenna. For switching, PIN diode are used in fabricated antenna for frequency reconfiguration to validate the simulated results. The compact size of proposed antenna is suitable for recent communication devices such as laptop, mobile phone and other electronics instruments. The proposed antenna shows good matching in the simulated and measured results.

scholarly journals A Compact Frequency Reconfigurable Antenna for LTE Mobile Handset Applications

2015 ◽  
Vol 2015 ◽  
pp. 1-10 ◽  
Author(s):  
Munyong Choi ◽  
Hyunho Wi ◽  
Byeonggwi Mun ◽  
Yonghyun Yoon ◽  
Hyunwoo Lee ◽  
...  
Keyword(s):  
High Frequency ◽  
Low Frequency ◽  
Optimal Location ◽  
Total Efficiency ◽  
Reconfigurable Antenna ◽  
Pin Diode ◽  
Pin Diodes ◽  
Mobile Handset ◽  
State 1 ◽  
Frequency Reconfigurable Antenna

A compact (8 × 62 × 5 mm3; 2.48 cc) frequency reconfigurable antenna that uses electrical switching with PIN diodes is proposed for the low frequency LTE band (699 MHz–862 MHz), high frequency LTE band (2496 MHz–2690 MHz), GSM850/900 bands (824 MHz–960 MHz), and DCS/PCS/WCDMA bands (1710 MHz–2170 MHz). The penta-band PIFA is first designed for GSM850/900/DCS/PCS/WCDMA bands by using two slits and ground pins within a limited antenna volume (8 × 54.6 × 5 mm3; 2.18 cc). The frequency reconfigurable antenna based on this penta-band PIFA is thus proposed to additionally cover all LTE bands. The proposed antenna has two PIN diodes with an optimal location. For State 1 (PIN diode 1: ON state, PIN diode 2: OFF state), the proposed antenna covers the low frequency LTE band, DCS/PCS/WCDMA bands, and high frequency LTE band. For State 2 (PIN diode 1: OFF state, PIN diode 2: ON state), the antenna covers the GSM850/900 bands. Simulated and measured results show that the total efficiency of the proposed antenna was greater than 40% for all operating frequency bands.

Reconfigurable Smart Antenna for Wireless Communication Devices

2018 ◽  
Vol 7 (4.5) ◽  
pp. 271
Author(s):  
Anand Pratap Singh Sengar ◽  
Aman Dahiya
Keyword(s):  
Resonant Frequency ◽  
Smart Antenna ◽  
Surface Current ◽  
Reconfigurable Antenna ◽  
Effective Surface Area ◽  
Effective Surface ◽  
Pin Diodes ◽  
Electrical Switching ◽  
Communication Devices ◽  
Frequency Reconfigurable Antenna

In this paper a frequency reconfigurable antenna is proposed.  The antenna uses electrical switching by means of PIN diodes to achieve reconfigurable properties. PIN diodes are located such that to increase the total effective surface area and simultaneously the surface current. Three slots are cut from antenna to alter the surface current and improve the resonant frequency of the antenna. The location of the PIN diodes is based on optimization in the response. Diode 1 is placed to excite another patch when it will be in ON state whereas diode 2 is used to make an interconnect.  Antenna resonates at 0.915 GHz, 1.575 GHz and 2.4GHz depending on whether it is in ON or OFF state. Applications of the antenna include GSM900 (0.8GHz-0.955 GHz), GPS (1.575 GHz), WLAN (2-2.4GHz).   

scholarly journals Design and Realization of a Frequency Reconfigurable Multimode Antenna for ISM, 5G-Sub-6-GHz, and S-Band Applications

2021 ◽  
Vol 11 (4) ◽  
pp. 1635
Author(s):  
Adnan Ghaffar ◽  
Xue Jun Li ◽  
Wahaj Abbas Awan ◽  
Syeda Iffat Naqvi ◽  
Niamat Hussain ◽  
...  
Keyword(s):  
Superior Performance ◽  
Dual Band ◽  
Reconfigurable Antenna ◽  
Performance Parameters ◽  
Pin Diodes ◽  
Compact Size ◽  
Simulation Results ◽  
Strong Candidate ◽  
Frequency Reconfigurable Antenna ◽  
Strong Agreement

This paper presents the design and realization of a compact size multimode frequency reconfigurable antenna. The antenna consists of a triangular-shaped monopole radiator, originally inspired from a rectangular monopole antenna. Slots were utilized to notch the desired frequency while the PIN diodes were utilized to achieve frequency reconfigurability. The antenna can operate in wideband, dual-band, or tri-band mode depending upon the state of the diodes. To validate the simulation results, a prototype was fabricated, and various performance parameters were measured and compared with simulated results. The strong agreement between simulated and measured results along with superior performance as compared to existing works in the literature makes the proposed antenna a strong candidate for ISM, 5G-sub-6 GHz, and S-band applications.

scholarly journals Frequency reconfigurable monopole antenna with DGS for ISM band applications

2018 ◽  
Vol 69 (4) ◽  
pp. 293-299 ◽  
Author(s):  
Boddapati T. P. Madhav ◽  
Shaik Rajiya ◽  
Badugu P. Nadh ◽  
Munuswami S. Kumar
Keyword(s):  
Dielectric Constant ◽  
Wireless Communication ◽  
Transmission Line ◽  
Ground Plane ◽  
Reconfigurable Antenna ◽  
Pin Diodes ◽  
Microstrip Transmission Line ◽  
Ism Band ◽  
Frequency Reconfigurable Antenna ◽  
Antenna Model

Abstract In this article a compact frequency reconfigurable antenna is presented for wireless communication applications of industrial, scientific and medical band (ISM). The proposed antenna model is designed with the dimensions of 58mm×48 mm on FR4 epoxy of dielectric constant 4.4 with the thickness of 0.8 mm. The proposed antenna consists of defected T-shape ground plane, which acts as a reflector. In the design of frequency reconfigurable antenna, BAR 64-02V PIN diodes are used as switching elements and antenna is fed by microstrip transmission line. The proposed antenna can switch at different frequencies (2.5 GHz, 2.3 GHz and 2.2 GHz) depending on the biasing voltage applied to the PIN diodes. The current antenna showing VSWR < 2 in the operating band and providing peak realized gain of 3.2 dBi. A good matching obtained between expected and the measured results.

scholarly journals A frequency reconfigurable antenna with Bluetooth, Wi-Fi and WLAN notch band characteristics

2018 ◽  
Vol 7 (2.7) ◽  
pp. 127 ◽  
Author(s):  
A Vamseekrishna ◽  
B T P Madhav
Keyword(s):  
Dielectric Constant ◽  
Loss Tangent ◽  
Coplanar Waveguide ◽  
Ground Plane ◽  
Substrate Material ◽  
Reconfigurable Antenna ◽  
Pin Diodes ◽  
Notch Band ◽  
Frequency Reconfigurable Antenna

A compact coplanar waveguide fed reconfigurable antenna with three notch bands are presented in this paper. Proposed antenna reconfigurability is acquired by placing bar6404 PIN diodes in the S-shaped ground plane in right to left mode and left to right mode. By switching the diode, reconfigurability achieved for three different operations. The substrate material for the proposed antenna is FR4 with dielectric constant 4.4 and loss tangent 0.02. The overall dimension of the reconfigurable antenna is around 30×26mm2. It is being observed in this work for the cause of each individual slot on notch band characteristics. The measured gain for the designed reconfigurable antenna is quite stable at operating frequencies except notch bands. The proposed antenna is suitable for practical wideband applications with notching.

A Novel Design of Frequency Reconfigurable Antenna for UWB Application

Frequenz ◽  
2016 ◽  
Vol 70 (9-10) ◽  
Author(s):  
Xiaolin Yang ◽  
Ziliang Yu ◽  
Zheng Wu ◽  
Huajiao Shen
Keyword(s):  
Frequency Band ◽  
Dual Band ◽  
Reconfigurable Antenna ◽  
Pin Diodes ◽  
Notched Band ◽  
Uwb Applications ◽  
Novel Design ◽  
Frequency Reconfigurable Antenna

AbstractIn this paper, we present a novel frequency reconfigurable antenna which could be easily operate in a single notched-band (WiMAX (3.3–3.6 GHz)) UWB frequency band, another single notched-band (WLAN (5–6 GHz)) UWB frequency band and the dual band-notched UWB frequency band (the stopband covers the WiMAX (3.3–3.6 GHz) and WLAN (5–6 GHz)). The reconfigurability is achieved by changing the states of PIN diodes. The simulated results are in agreement well with the measured results. And the measured patterns are slightly changed with antenna reconfiguration. The proposed antenna is a good candidate for various UWB applications.

scholarly journals Dual-Band Reconfigurable Antenna for Polarization Diversity

2018 ◽  
Vol 2018 ◽  
pp. 1-7 ◽  
Author(s):  
Youngje Sung
Keyword(s):  
Ring Resonator ◽  
Dual Band ◽  
Reconfigurable Antenna ◽  
Pin Diode ◽  
Polarization Diversity ◽  
Pin Diodes ◽  
Resonant Frequencies ◽  
Polarized Waves ◽  
Ring Antenna ◽  
Left And Right

This paper proposes a dual-band reconfigurable square-ring antenna with a polarization diversity property. The proposed antenna consists of a square-ring resonator, two stubs with a shorting via, and two PIN diodes. The stub is positioned symmetrically to the left and right of the square-ring resonator, and the square-ring antenna connected to one of two stubs has a dual-band resonance. In this case, both resonant frequencies exhibit linear polarization (LP), and the two polarized waves are perpendicular to each other. The PIN diode selectively connects only one of the two stubs to the square-ring resonator. Thus, the polarization of the proposed antenna changes electrically at the two resonant frequencies. In addition, the frequency ratio (f2/f1) can be easily controlled by changing the length or width of the stub.

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