A Compact Dual Band-Notched Circular Ring Printed Monopole Antenna for Super wideband Applications

Manohar, Murli; Kshetrimayum, Rakhesh Singh; Gogoi, Anup Kumar

doi:10.13164/re.2017.0064

Cited by 34 publications

(30 citation statements)

References 17 publications

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“…The optimized antenna dimensions are given in Table I. It is observed that the dimensions of the antenna are reduced by 30% compared to those with same geometry reported in literature [10], [12].This antenna has a ratio bandwidth (RB) of 11.04. The current densities of the antenna at different frequencies of SWB are shown in the Fig.…”

Section: Antenna Simulation and Analysismentioning

confidence: 86%

“…On the same type of substrate, a tapered microstrip fed circular ring radiating patch with round cornered ground plane has been implemented in [9] to obtain a lower bound frequency of 1.6 GHz. A SWB antenna on FR4 substrate have been reported in [10] with an offset fed egg shaped patch having fractal ground plane and in [11] with a microstrip fed clover shaped radiating patch. Using the same substrate and co-planar waveguide (CPW) feed, a partially egg shaped slot antenna [12] and a fractal radiating patch antenna [13] has also been reported.…”

Section: Introductionmentioning

confidence: 99%

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A Modified Avian Egg Shaped CPW Fed Printed Monopole for SWB Applications

Cherian*,

T. A.,

2019

IJITEE

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A compact egg-shaped super wide-band patch antenna with coplanar waveguide (CPW) feed is proposed. A much simpler design equation has been identified compared to previous reported works for egg-shaped patch antennas. An optimized egg shaped antenna has been designed and implemented on FR4 substrate with the dimensions 30mm x 27.5mm x 1.6mm.The antenna with geometry modifications has an impedance bandwidth 2.85-31.6 GHz. The performance of the antenna was validated analytically for super wideband (SWB) operation and experimentally for ultra-wideband (UWB) operation. A maximum gain of 4.4dBi and a minimum of 2dBi was observed at 6.5GHz and 3GHz respectively. A 30% reduction in patch area has been achieved compared to existing egg-shaped SWB antennas in literature. The lower frequency bound of the antenna is scalable with dimensions for lesser permittivity substrates which has been analytically validated. It is identified that the proposed antenna design could be used to achieve flexibility in bandwidth. This antenna is a potential candidate for super wideband applications.

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Section: Antenna Simulation and Analysismentioning

confidence: 86%

Section: Introductionmentioning

confidence: 99%

A Modified Avian Egg Shaped CPW Fed Printed Monopole for SWB Applications

Cherian*,

T. A.,

2019

IJITEE

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“…Recently, some antennas have been reported in which dual band notch functions are incorporated . Two stub resonators are used to produce each notch characteristics . Dual notched band characteristics is achieved by using π‐shaped slot and EBG resonator .…”

Section: Introductionmentioning

confidence: 99%

Quad notch UWB antenna using combination of slots and split‐ring resonator

Chakraborty

Pal

Chattoraj

2019

Int J RF Microw Comput Aided Eng

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A novel coplanar waveguide fed UWB antenna with quad notch band characteristics has been proposed in this work. The antenna layout is designed based on a combination of well-known geometrical shapes: a half ellipse patch, rectangle, and triangle. The shape of the ground plane is partially tapered rectangular. The overall dimension of the antenna is 41.5 × 32 mm. The antenna uses three U-shaped slots at the top surface to create three notched band characteristics. A split-ring resonator is then introduced at the bottom surface of the antenna. With the integration of split-ring resonator at the bottom surface, an additional notch band at 7.25 to 7.75 (6.7%) GHz is created in the antenna. The designed antenna has an operating impedance bandwidth (VSWR ≤2) ranges from 3.03 to 12.34 GHz except in quad frequency stop bands of 3.3 to 3.7 (11.4%), 5.15 to 5.35 (3.8%), 5.725 to 5.825 (1.7%), and 7.25 to 7.75 (6.7%) GHz. The proposed antennas are successfully designed, prototyped, and measured. The simulated and measured results are extensively studied and discussed. Correlation between the time-domain transmitting antenna input signal and the received antenna output signal is calculated in order to ensure that the proposed antenna can be used in pulse-communication systems. This antenna finds applications in medical imaging, military radar systems, and other common UWB applications. K E Y W O R D SCPW-fed, quad notch, UWB

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“…Specifically speaking, CP is generated when two orthogonal electric filed vectors are excited simultaneously. In the literature, different techniques have been proposed to excite these orthogonal vectors and stimulate CP feature [1][2][3][4][5]. Although contributing to significant improvements and applicable methods, there are still challenges in design of CP antennas regarding the CP purity, size reduction, and further performance enhancement.…”

Section: Introductionmentioning

confidence: 99%

Targeting Wideband Circular Polarization: An Efficient 2×2 Sequentially-Phase-Fed Rotated Array Antenna

Majidzadeh¹,

Mohammadi-Asl²,

Ghobadi³

et al. 2018

RADIOENGINEERING

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This paper outlines an efficient design of a wideband sequential-phase (SP) fed circularly polarized corner-truncated patch array antenna (CPCTPAA) with sequentially rotated (SR) array elements. The SP feed network is composed of a circular ring with an inner section of 270°. Four shorting strips are attached to the circular ring to the end of which corner-truncated patches (CTPs) are attached. Through the proposed feed structure, stable phase difference is attained at the end of the shorting strips which in turn ends in CP generation. Each array element of 2×2 CPCTPAA is a CTP printed on the top side of the FR4 substrate. On the backside, rectangular slots are removed from the ground plane to enhance the bandwidth characteristics of the proposed design. Moreover, suitable rectangular slots are embedded at the crossing points of CTPs and feed lines which instigate extra improvements in CPCTPAA performance. These amendments, all together, are deemed for achieving an efficient and cost-effective CPCTPAA design with smaller occupied implementation space. Simulation and experimental studies are conducted on a 70×70×1.6 mm 3 prototype to evaluate performance of the proposed array antenna. Results are discussed in depth.

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A Compact Dual Band-Notched Circular Ring Printed Monopole Antenna for Super wideband Applications

Cited by 34 publications

References 17 publications

A Modified Avian Egg Shaped CPW Fed Printed Monopole for SWB Applications

A Modified Avian Egg Shaped CPW Fed Printed Monopole for SWB Applications

Quad notch UWB antenna using combination of slots and split‐ring resonator

Targeting Wideband Circular Polarization: An Efficient 2×2 Sequentially-Phase-Fed Rotated Array Antenna

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