Trapezoidal ring quad‐band fractal antenna for WLAN/WiMAX applications

Rajeshkumar, Venkatachalam; Raghavan, S.

doi:10.1002/mop.28631

Cited by 21 publications

(10 citation statements)

References 11 publications

(29 reference statements)

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“…Metamaterial inspired antenna consists of a unit cell or a few metamaterial unit cells for performance enhancement of antenna was studied by Si et al [10]. Metamaterial inspired antennas have been investigated for antenna performance enhancement such as impedance matching [11], bandwidth enhancement [12], gain improvement [13], compactness [14] and multiband antenna design [15][16][17][18][19][20][21][22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

An Inset-Fed Rectangular Microstrip Patch Antenna With Multiple Split Ring Resonator Loading for Wlan and Rf-Id Applications

Selvi¹,

Pandeeswari²,

Selvan³

2018

PIER C

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Abstract-In this paper, the analysis and design of a compact Multiple Split Ring Resonator (MSRR) inspired microstrip rectangular patch antenna is presented. The MSRR is used with four rings. The size of the antenna is 25 × 31 × 1.6 mm 3 realized on a low cost FR4 substrate. The proposed rectangular microstrip patch antenna operates at the resonant frequency of 5.88 GHz prior to MSRR inclusion. The antenna characteristics are studied before and after inclusion of metamaterial. After including MSRRs at appropriate places, the proposed MSRR antenna induces a new resonant frequency of 2.78 GHz. In addition to rectangular patch's fundamental resonance, the additional resonance is obtained at 2.78 GHz, thus, exhibits dual bands. Hence, MSRR loading antenna attains a bandwidth of 197 MHz at 2.78 GHz and 703 MHz at 5.88 GHz. The prototype of the proposed antenna is fabricated and measured. Simulated results are verified with the measured ones. This proposed antenna can be effectively utilized for WLAN and RF-ID applications. Parametric studies are illustrated to yield the desired frequency bands. Equivalent circuit model analysis of the MSRR loading is determined. Band characteristics of split ring structure are used to determine the negative permeability characteristics.

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Section: Introductionmentioning

confidence: 99%

An Inset-Fed Rectangular Microstrip Patch Antenna With Multiple Split Ring Resonator Loading for Wlan and Rf-Id Applications

Selvi¹,

Pandeeswari²,

Selvan³

2018

PIER C

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“…The utility of these structures in antenna design comprises electrically small multi-band antennas [4][5][6][7][8][9][10][11][12][13][14][15], which results in good impedance matching, gain and bandwidth enhancement [16][17][18]. Typical microstrips, flanges, strips and patches use semi analytical methods [23][24][25][26][27][28][29].…”

Section: Introductionmentioning

confidence: 99%

A Broad-Side Coupled SRR Inspired CPW Fed Dual Band Antenna for Wimax and Wave Applications

Selvi¹,

Selvan²,

Babu³

et al. 2018

PIER C

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Abstract-In present scenario, this paper intends to demonstrate the practicality of a miniaturized coplanar waveguide fed metamaterial inspired antenna that can be effectively operated at dual bands. A broad-side coupled Split Ring Resonator is used to obtain dual bands with an impedance bandwidth (−10 dB) of 840 MHz (3.00-3.84 GHz) and 310 MHz (5.94-6.25 GHz), which resonates at dual bands, viz., 3.42 GHz and 6.07 GHz. The impedance bandwidth (S 11 < −10 dB) is 25% for the first band and 5.1% for the second band. The size of the antenna is 31×25×1.6 mm 3 realized on a low-cost FR-4 Epoxy substrate. This antenna can be effectively utilized in worldwide interoperability for microwave access (WiMAX) and wireless access in vehicular environments (WAVE) applications. The prototype of the proposed antenna is fabricated and measured. Simulated and measured results are in agreeing nature. Experimental and simulated analyses of the antenna including parametric and dispersion characteristics are dealt in this communication.

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“…Thus far, many efforts and a lot of antenna prototypes have been made and designed. The adopted techniques for these antennas generally include notching or slotting the radiating patch, or increasing number of the radiating strip for additional-mode excitation [1][2][3][4][5][6][7][8], and defecting the ground for bandwidth enhancement [9][10][11] with using various feed structures, which may be the probe, stripline and co-planar waveguide (CPW) feeders. However, a large size or a complicated structure is the usual problem for most of these proposed antennas to thus reduce their practical application in a wireless communication system.…”

Section: Introductionmentioning

confidence: 99%

Dual-Band Slotted Patch Antenna With Defective Ground for Wlan/Wimax Applications

Wu¹,

Syu²,

Liu³

2015

PIER Letters

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A novel printed antenna with a slotted patch and a defected ground structure (DGS) for dual-band operation is presented. By inserting an I-shaped slot into the patch and defecting the ground plane, triple-mode resonance for achieving dual operation bands, especially an extremely wide bandwidth for the higher band, can be excited. The measured bandwidths are 100 MHz (2.38-2.49 GHz) and 2.94 GHz (3.4-6.34 GHz) for the lower and upper bands, respectively, which agree well with the simulation. The experimental average gains across the two operating bands are 1.0 and 3.9 dBi, respectively, with typical radiation patterns for a patch antenna having a defective ground. The proposed antenna with a compact size of only 22 × 25 mm 2 sufficiently covers performance requirement of the 2.4/5.2/5.8 GHz WLAN and the 3.5/5.5 GHz WiMAX operation systems.

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Trapezoidal ring quad‐band fractal antenna for WLAN/WiMAX applications

Cited by 21 publications

References 11 publications

An Inset-Fed Rectangular Microstrip Patch Antenna With Multiple Split Ring Resonator Loading for Wlan and Rf-Id Applications

An Inset-Fed Rectangular Microstrip Patch Antenna With Multiple Split Ring Resonator Loading for Wlan and Rf-Id Applications

A Broad-Side Coupled SRR Inspired CPW Fed Dual Band Antenna for Wimax and Wave Applications

Dual-Band Slotted Patch Antenna With Defective Ground for Wlan/Wimax Applications

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