A Chaucer microstrip fractal antenna for mobile applications

Yadav, Rahul; Kishor, Jugul; Yadava, R. L.

doi:10.1134/s1064226916020054

Cited by 13 publications

(7 citation statements)

References 6 publications

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“…With the advancement of wireless communication technology, multiband antenna has played a very crucial role in the wireless personal area network [1][2][3][4][5][6][7][8][9]. Mobile devices, such as hand-held computers and smart phones, are widely using wireless local area network (WLAN) and worldwide interoperability for microwave access (WiMAX) [10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

“…e use of printed technology is the best choice since it allows to design low-cost planar antennas with high performances and compact size. Moreover, a printed antenna can be easily integrated into front-end circuits, providing low profile and a relatively simple fabrication [3,[19][20][21]. erefore, a number of printed antennas with different geometries have been experimentally characterized to enhance the bandwidth for wireless applications.…”

Section: Introductionmentioning

confidence: 99%

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A Novel Multiband Fractal Antenna for Wireless Application

Wang

Xie

et al. 2021

International Journal of Antennas and Propagation

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This paper proposes a novel multiband antenna using circle and triangle fractals for wireless application. By cutting a triangle slot in the circular monopole, a novel fractal method of the circular nested triangle structure is presented. The above structure is iterated four times, which forms the proposed fractal antenna. The antenna adopts the microstrip feeding method. In order to improve out band rejection and expand bandwidth, a ring resonator is designed on the back of the dielectric plate. The designed antenna covers 1.8 GHz–2.9 GHz applied to Bluetooth, TD-SCDMA, WCDMA, CDMA2000, and LTE33-41, 3.4 GHz–4.6 GHz applied to LTE 42/43 and WiMAX, and 5 GHz–5.6 GHz applied to WLAN. The substrate is FR4 with a dielectric constant of 4.4 and a loss tangent of 0.02. The size of the fabricated antenna is 87.5 × 61 × 1.6 mm. The measured pick gain achieves 2.98 dBi, 2.58 dBi, and 3.34 dBi at 2.6 GHz, 3.8 GHz, and 5.3 GHz, respectively. The measurement and simulation results are in good agreement, which verifies the rationality of the design.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Novel Multiband Fractal Antenna for Wireless Application

Wang

Xie

et al. 2021

International Journal of Antennas and Propagation

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“…In order to reduce the size of antennas, it is important to note that the size of the dielectric resonant antenna (DRA) is proportional to the parameter λ/ε 1/2 r . Increasing the relative dielectric constant of the antenna medium can thus effectively reduce the antenna size [19]. In terms of improving impedance matching and radiation characteristics, a loading slot can be used to couple the same stub to the radiating element, and the stub is coupled to the local ground [20].…”

Section: Introductionmentioning

confidence: 99%

A Novel “回” Pane Structure Multiband Microstrip Antenna for 2G/3G/4G/5G/WLAN/Navigation Applications

Lin

Ran

et al. 2021

International Journal of Antennas and Propagation

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This work proposes a novel multiband slotted planar antenna with a “回” structure, which is similar to an ancient Chinese window grille structure. The antenna is suitable for wireless applications, including the second-generation (2G), third-generation (3G), fourth-generation (4G), and fifth-generation (5G) technologies, as well as WLAN and navigation applications. The proposed antenna is based on the structural characteristics of a conventional monopole antenna, which combines the advantages of a slit structure and microstrip line structure for feeding. It adopts a circular patch with a slit structure placed in it, which is similar to the Chinese classical pane structure. This structure enables an effective reduction of the size of the antenna. The four-sided “回” gaps change the path of current flow and are coupled to each other, improving the impedance matching and radiation characteristics of the entire target frequency band. The antenna covers the frequency ranges of 1.58–1.77 GHz (12%), 2.1–2.50 GHz (17%), 3.61–4.09 GHz (12%), and 4.75–6.5 GHz (36%), permitting more than 10 wireless applications in these 4 frequency bands. This antenna uses an FR-4 dielectric material; the relative dielectric constant of the dielectric plate is 4.4, and the actual dimensions of the antenna are 85 × 70 × 1.6 mm³. The test and simulation results are in good agreement with each other, thus confirming that the proposed design method meets the requirements of various wireless applications.

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“…Furthermore, the size of the dielectric resonance antenna (DRA) is proportional to the parameters / 1/2 . The relative dielectric constant of the media is increased to effectively reduce the antenna size [16].…”

Section: Introductionmentioning

confidence: 99%

A Novel Ancient Coin-Like Fractal Multiband Antenna for Wireless Applications

Ran

et al. 2017

International Journal of Antennas and Propagation

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This study proposes a novel square-circle structure fractal multibroadband planar antenna, similar to an ancient Chinese coin-like structure, for second generation (2G), third generation (3G), fourth generation (4G), WLAN, and navigation wireless applications. The device is based on the principles and structural features of conventional monopole antenna elements, combined with the advantages of microstrip antennas and fractal geometry. A fractal method was presented for circular nested square slotted structures, similar to an ancient Chinese copper coin. The proposed antenna adapted five iterations on a fractal structure radiator, which covers more than ten mobile applications in three broad frequency bands with a bandwidth of 70% (1.43-2.97 GHz) for DCS1800, TD-SCDMA, WCDMA, CDMA2000, LTE33-41, Bluetooth, GPS (Global Positioning System), BDS (BeiDou Navigation Satellite System), GLONSS (Global Navigation Satellite System), GALILEO (Galileo Satellite Navigation System), and WLAN frequency bands, 16.32% (3.32-3.91 GHz) for LTE42, LTE43, and WiMAX frequency bands, and 10.92% (4.85-5.41 GHz) for WLAN frequency band. The proposed antenna was fabricated on a 1.6 mm thick G10/FR4 substrate with a dielectric constant of 4.4 and a size of 88.5 × 60 mm 2 . The measurement results reveal that the omnidirectional radiation patterns achieve a gain of 1.16-3.75 dBi and an efficiency of 40-72%. The good agreement between the measurement results and simulation validates the proposed design approach and satisfies the requirements for various wireless applications.

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A Chaucer microstrip fractal antenna for mobile applications

Cited by 13 publications

References 6 publications

A Novel Multiband Fractal Antenna for Wireless Application

A Novel Multiband Fractal Antenna for Wireless Application

A Novel “回” Pane Structure Multiband Microstrip Antenna for 2G/3G/4G/5G/WLAN/Navigation Applications

A Novel Ancient Coin-Like Fractal Multiband Antenna for Wireless Applications

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