A tapered feed circular monopole super ultra-wideband (UWB) printed antenna

Kumar, Nilesh; Singh, Krishan Kumar; Badhai, Ritesh Kumar

doi:10.1109/iccsp.2016.7754510

Cited by 12 publications

(7 citation statements)

References 8 publications

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“…This research selected a typical circular antenna [16][17][18][19][20][21][22] and improved that antenna structure fabricated from galvanized metal sheet with a thickness of t 1 = 0.3 mm because the antenna structure is readily cuttable, inexpensive, and rustresistant. There were four steps in the antenna structure design process.…”

Section: Antenna Design and Simulationmentioning

confidence: 99%

“…A circular monopole antenna was placed on top of the same plane as the ground plane to support dual-band applications of 0.82-1.25 GHz and 1.65-2.79 GHz in GSM, CDMA, and WLAN and had an average gain of 3.7 dBi [21]. A circular monopole antenna was designed on an FR-4 substrate, which had a ground plane overlaid below by feeding the signal through the strip line to cover the frequency range of 1.48-35 GHz that supported the UWB with an average gain of 2.5-5.25 dBi [22]. As mentioned above, the design has a lot of complexity.…”

Section: Introductionmentioning

confidence: 99%

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Low-cost High Gain Sea Pimp-shaped Dual Band Monopole Antenna for Mobile 4G/5G/LTE41/WLAN Application

Sakulchat,

Ruengwaree,

Naktong

et al. 2024

PIER C

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This research aimed to design a sea pimp-shaped monopole antenna by using etching and cutting techniques, combined with the addition of reflector, to modify the antenna structure to support the bandwidth standard according to GSM-850 (0.82-0.90 GHz), GSM-900 (0.88-0.96 GHz), DCS (1.72-1.88 GHz), PCS (1.85-1.99 GHz), UMTS (1.92-2.17 GHz), 5G Band40 (2.30-2.40 GHz), LTE41 (2.496-2.690 GHz), and WLAN IEEE 802.11b/g/n (2.4-2.48 GHz). This antenna used a galvanized metal sheet with a conductivity of 3.56 × 10 7 s/m to fabricate the structure of the radiator, ground plane, and reflector. The reflector modifies radiation patterns and increases the gain of the antenna. The antenna structure used the CST program for simulation to determine the optimal parameters and property values. As a result of replication, the antenna had dual bands with a reflection coefficient (S11) at 915 MHz (736-1040 MHz) of −26.70 dB and a frequency at 2.28 GHz (1.68-2.94 GHz) of −20.15 dB. The antenna gains are 6.70 and 8.47 dBi, an increase of 83.56% and 44.04% over the antenna without a reflector, respectively. The antenna had a unidirectional pattern in all the frequency ranges which can be utilized for the purpose of RF energy-harvesting (RF-EH) systems to provide power to low-power electronic systems.

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Section: Antenna Design and Simulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Low-cost High Gain Sea Pimp-shaped Dual Band Monopole Antenna for Mobile 4G/5G/LTE41/WLAN Application

Sakulchat,

Ruengwaree,

Naktong

et al. 2024

PIER C

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“…In this section, we use the circular geometry to take the advantage of the small size [24]. It has another important advantage as it is easier to achieve the best impedance matching in the mm-Wave bands [25].…”

Section: Proposed Design a Mm-wave Antenna Module 1) Design Stepsmentioning

confidence: 99%

Compact and Integrated Microstrip Antenna Modules for mm-Wave and Microwave Bands Applications

et al. 2022

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This paper presents two different antenna modules at two different bands with a compact size structure that is used for both of mm-Wave and microwave bands, with the objective of keeping the size as minimum as possible. The presented structure consists of two integrated modules with overall dimensions of 24 × 15 × 0.787 mm 3 and is implemented on a Rogers RT5880 substrate. The first module is designed to resonate at 25.75 GHz with bandwidth of 4.15 GHz. The length of this module is taken as a constraint in designing the second module, which is the microwave one. This module is designed to have resonance frequency of 5.45 GHz with bandwidth of 1.12 GHz. The two modules are etched on the same substrate in an integrated fashion to give the required structure with two separate feeds and a separation gap between them in the ground plane. The proposed antenna structure is simulated using the CST-MW studio simulator, where it is found that for the mm-Wave module, the band's gain is 5.58 dBi and the efficiency is 0.87 at 25.75 GHz. As for the microwave module, the gain is 2.45 dBi and the efficiency is 0.77 at 5.45 GHz. The proposed structure is implemented practically and the relevant measures agree with the simulated ones. A comparison of the proposed structure with other designs available in literature shows that it exhibits the minimum size among them, while keeping the other parameter values of comparable orders. The proposed structure is suitable for being used in 5G applications where both of the microwave and millimeter-wave bands are utilized. Microstrip antenna,, mm-Wave fifth generation (5G), DGS. INDEX TERMS

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“…23 The major challenges of existing microwave sensor-based tumor detection techniques are nonoperability in the UWB frequency band, trade-off among high frequencies with the depth of penetration, big size of a UWB sensor, inadequate mimicry of dielectric properties of human tissues, and not meeting the SAR requirements as per FCC guidelines. Therefore, the main aim of this research article is to design a miniaturized modified tapered feedline [24][25][26][27][28] patch antenna (MTFPA) with a defective ground plane operating in the UWB band for radar-based biomedical imaging applications.…”

Section: Introductionmentioning

confidence: 99%

Design and analysis of a super compact UWB antenna for accurate detection of breast tumors using monostatic radar‐based microwave imaging technique

Grover

Singh

Sahu

2023

Int J Imaging Syst Tech

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This article proposes a low‐profile ultra‐wideband (UWB) antenna for breast tumor detection using the monostatic radar‐based microwave imaging (RBMI) technique. The proposed UWB antenna consists of a circular patch and ground plane along with a modified tapered feed line having a total size of 13 × 9 × 1.6 mm3. The designed antenna operates from 4 to 11 GHz based on a −10 dB reflection coefficient with a peak gain of 9.5 dBi at 4.8 GHz. Experimental validation is carried out after fabricating the prototype of the UWB antenna and the breast mimic. The measured backscattered signals are captured using the vector network analyzer (E‐5063A) by keeping the antenna at 10 mm from the breast phantom. After that, post‐processing of the measured data is done to detect the exact depth and location of the malignant tissue. The proposed antenna uses UWB band frequency of operation because it has some unique features, that is, it provides immunity to multipath fading, has a simple design, has a low cost of fabrication, and has biological friendliness. Moreover, due to the proposed antenna's resonance at a lower resonant frequency better depth of penetration is achieved in human body phantoms and the proposed antenna provides specific absorption rates (SAR) of 0.877 W/kg over 1 g of tissue at 4.8 GHz, which is an acceptable limit for SAR as per FCC guidelines. Therefore, the proposed antenna and monostatic RBMI technique are good candidates for breast tumor detection.

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A tapered feed circular monopole super ultra-wideband (UWB) printed antenna

Cited by 12 publications

References 8 publications

Low-cost High Gain Sea Pimp-shaped Dual Band Monopole Antenna for Mobile 4G/5G/LTE41/WLAN Application

Low-cost High Gain Sea Pimp-shaped Dual Band Monopole Antenna for Mobile 4G/5G/LTE41/WLAN Application

Compact and Integrated Microstrip Antenna Modules for mm-Wave and Microwave Bands Applications

Design and analysis of a super compact UWB antenna for accurate detection of breast tumors using monostatic radar‐based microwave imaging technique

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