Miniaturization of Tri Band Patch Antenna Using Metamaterials

Upadhyaya, Trushit; Dwivedi, Ved Vyas; Kosta, Shiv Prasad; Kosta, Y.P.

doi:10.1109/cicn.2012.147

Cited by 20 publications

(7 citation statements)

References 3 publications

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“…Electrically small antennas suffer from the issue of efficiency and hence gain at target resonance [9,10]. Advanced techniques of metamaterial inspired antennas can also help in miniaturization [11,12]. There are a few tablet and laptop embedded antennas available in literature, which are recommended for endusers [13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Printed Multiband Monopole Antenna for Smart Energy Meter/Wlan/Wimax Applications

Upadhyaya¹

2020

PIER M

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The proposed antenna structure is excited for multiple operational modes by means of meandered strips. The compact planar monopole antenna is demanded enormously for handheld devices especially automatic meter reading and tablet devices. Due to Chu limit, it is extremely vital to miniaturize an antenna by balancing tradeoff between bandwidth and radiation efficiency. The designed antenna is formed by two interconnected broad monopole open slots which covers multi-bands for smart energy meter and tablet computer applications. The cost effective FR4 laminate of size 50 × 200 mm 2 (0.4λ × 1.6λ) is employed to match standard tablet computer communication module dimensions. The impedance bandwidth, for all excited resonant modes, is above typical requirement of 2%, and the VSWR is well below the necessary requirement of 1.5. The peak gain ranges from 0.94 dBi to 1.92 dBi. Radiation patterns along with other antenna parameters are satisfactorily meeting the demand of Wireless Energy Meter and Tablet Devices. The effects of varying dimensions of a monopole on the radiation characteristics have also been presented. The return loss and radiation patterns computed through simulations are validated through experimental measurements in an anechoic chamber environment.

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Section: Introductionmentioning

confidence: 99%

Printed Multiband Monopole Antenna for Smart Energy Meter/Wlan/Wimax Applications

Upadhyaya¹

2020

PIER M

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“…Negative refractive index materials have provided many benefits to antenna community. It has shown significant aid in antenna miniaturization [7,8], improvement in cross polarization levels [9], and improvement in radiation efficiency through impedance matching [10]. Recent research in negative refractive index inspired antennas has presented attractive finding in terms of electrically compact antennas [11,12], MIMO antennas [13,14], satellite and far field communication antennas [15,16], beam-tilted antennas [17,18], reconfigurable antennas [19][20][21], wideband antennas [22,23], body centric antennas [24], and energy harvesting antenna [25].…”

Section: Introductionmentioning

confidence: 99%

DESIGN AND ANALYSIS OF COMPACT Μ-Negative MATERIAL LOADED WIDEBAND ELECTRICALLY COMPACT ANTENNA FOR WLAN/WIMAX APPLICATIONS

Patel¹,

Upadhyaya²

2019

PIER M

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A compact tri-band antenna incorporated with a split ring resonator array is proposed for Wireless Local Area Network (WLAN) and Worldwide interoperability for microwave access (WiMAX) applications. The proposed antenna is printed on an FR4 substrate with overall dimensions of 0.25λ × 0.29λ at the lowest frequency. Impedance bandwidth of the antenna is optimised by introducing slots on the top of the patch. The ground plane is engineered by placement of a split ring resonators array to induce additional resonance due to occurance of magnetic dipole moment. The antenna resonates at the frequencies of 2.4 GHz, 3.5 GHz & 5.5 GHz having bandwidths of 12.5%, 7.42% and 6.36% with the gains of 2.25 dBi, 3.72 dBi and 2.71 dBi, respectively which matches well with the fabricated results. The proposed antenna shows omnidirectional radiation pattern which makes it appropriate for WLAN and WiMAX applications.

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“…There are many miniaturization techniques available in the literature. The left-handed materials, also known as metamaterials, offer miniaturization of the antenna [20]. The presented design can incorporate utilization of μ-negative materials such as split ring resonators in the ground plane for size reduction.…”

Section: Introductionmentioning

confidence: 99%

Design of Printed Monopole Antenna for Wireless Energy Meter and Smart Applications

Upadhyaya¹,

Desai²,

Patel³

2018

PIER Letters

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European smart energy meter applications operate over a smart grid network. These applications operate over ISM frequency bands. The proposed dual-band printed monopole antenna provides a solution to smart energy meter applications. The surface dimension of the planar monopole antenna is 45×17 mm 2. The antenna has strips fabricated on a standard cost-effective FR-4 substrate of thickness 1.6 mm for achieving dual-mode resonance at 868 MHz and 2.4 GHz. The proposed monopole antenna has operating impedance bandwidth of 2.89% and 2.78% for the first and second resonances, respectively. The gain of the presented antenna is in order of 1.18 dBi for lower resonant mode and 2.1 dBi for the higher resonant mode. The antenna resonates in the frequency range which is also useful in smart RFID tags for device identification operating over smart grid. In addition, the antenna can be utilized for the devices functional in Low Rate Wireless Personal Area Networks (LR-WPAN) and WiFi-based smart applications.

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Miniaturization of Tri Band Patch Antenna Using Metamaterials

Cited by 20 publications

References 3 publications

Printed Multiband Monopole Antenna for Smart Energy Meter/Wlan/Wimax Applications

Printed Multiband Monopole Antenna for Smart Energy Meter/Wlan/Wimax Applications

DESIGN AND ANALYSIS OF COMPACT Μ-Negative MATERIAL LOADED WIDEBAND ELECTRICALLY COMPACT ANTENNA FOR WLAN/WIMAX APPLICATIONS

Design of Printed Monopole Antenna for Wireless Energy Meter and Smart Applications

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