Metamaterial‐inspired printed UWB antenna for short range RADAR applications

Rani, R. Boopathi; Pandey, S.K.

doi:10.1002/mop.30590

Cited by 20 publications

(8 citation statements)

References 11 publications

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“…This is indeed an additional burden for the system used at automotive appliances which only need 22 to 29 GHz band. Research papers addressed this issue are very few [17]. Hence, it is essential to design an antenna exclusively for 22 to 29 GHz band.…”

Section: Introductionmentioning

confidence: 99%

Slot Antenna for Ultra-Wideband Automobile Applications at 24 GHz

Rani¹,

Padmavathi²

2023

J. Phys.: Conf. Ser.

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This research article discusses the investigations on the design of an Ultra-Wideband (UWB) antenna and its performance analysis from 20 to 30 GHz frequency range which is suitable for Short Range (SR) RADAR applications. This is designed by incorporating a rectangular slot on rectangular patch and reducing the ground plane size. The antenna characteristics namely return loss, current distribution, E-plane and H-plane far field patterns, gain over frequency, group delay in the operating frequency and radiation efficiency are investigated through simulations. Brief discussion regarding FCC guidelines related to the use of 24 GHz frequency band is provided. The antenna occupies the size of 10 X 10 X 1.6 mm3. Necessary parametric analyses were performed to confirm the finalized dimensions as optimum. The impedance bandwidth characteristics was measured using VNA (Vector Network Analyzer) and the obtained –10 dB bandwidth agrees with the simulated result.

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Section: Introductionmentioning

confidence: 99%

Slot Antenna for Ultra-Wideband Automobile Applications at 24 GHz

Rani¹,

Padmavathi²

2023

J. Phys.: Conf. Ser.

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“…The Federal Communication Commission (FCC) guidelines, 2002, proposed the UWB of 7.5 GHz for commercial use 5 . UWB antennas have long‐range applications such as biomedical, microwave imaging, 6,7 and short‐distance applications like Internet of things (IoT) and wireless local area networks (WLANs) 8,9 . These devices run at low power and have a miniaturized size 10,11 .…”

Section: Introductionmentioning

confidence: 99%

Parachute shape ultra‐wideband wearable antenna for remote health care monitoring

Singh

Bangari²,

Ali

et al. 2023

Int J Communication

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Wireless body area networks (WBAN) is used to measure patients' health conditions continuously. Different kinds of sensors are required to measure health conditions. When such types of antennas are used on the human body, they are flexible with the movements. The usage of wearable devices is currently increasing in the biomedical field. The presented wearable antenna is suitable for biomedical applications. The presented ultra-wideband (UWB) flexible parachute shape wearable antenna is fabricated on a jeans textile substrate. The prototype antenna has a À10 dB measured impedance bandwidth of 5800 MHz (7 to 12.8 GHz) with average radiation efficiency of 75.28%. The prototype antenna's size is 40 Â 40 mm 2 (1.32 Â 1.32 λ 2 0 at centre frequency 9.9 GHz) and a peak gain of 4.5 dB at 12.33 GHz. The fabricated antenna is suitable for biomedical applications in X-band frequencies and can be implemented with a low-cost manufacturing process. The radiating element is made by conductive copper tape. Muscle-equivalent phantoms are used to analyze the body effect on antenna performance. The radiation effect emitted by the presented antenna on the human body is calculated by the specific absorption rate (SAR) value. The maximum SAR value of the proposed antenna is 1.84 W/kg at 12.33 GHz. This leads to promising results for wearable applications related to remote health care monitoring, such as biotelemetry and mobile health with a sensor-driven approach.flexible antenna, low profile, textile substrate, ultra-wideband (UWB), wearable applications, wireless body area networks (WBAN) | INTRODUCTIONRecently, textile antennas for Wireless body area networks (WBAN) applications have been increased due to their essential features, including size miniaturization, comfortable design, robustness, and weight. Moreover, this type of antenna has compatibility with microwave technologies, has low assembly cost, and ease of fabrication. 1,2 The main features of ultra-wideband (UWB) antennas are high speed, low noise, and power, robust multipath applications, higher precision ranges, and low-cost design. 3,4 The Federal Communication Commission (FCC) guidelines, 2002, proposed the UWB of 7.5 GHz for commercial use. 5 UWB antennas have long-range applications such as

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“…6 Split ring resonator (SRR) is one of the key elements of metamaterial-inspired antennas. 7 There are varied structures available in the literature such as circular SRR, square SRR, hexagonal SRR, multiple SRR, complementary SRR, broadside coupled SRR, non-Bianisotropic SRR, and so on. 8 Due to the resonant nature of SRR, it acts as a radiating element in the antennas.…”

Section: Introductionmentioning

confidence: 99%

Miniaturized coplanar waveguide‐fed metamaterial inspired antenna for radio frequency identification applications

Rajasri¹,

Rani²

2022

Micro & Optical Tech Letters

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In this study, split ring resonator (SRR) based coplanar waveguide (CPW) fed antenna for 5.8 GHz radio frequency identification applications is presented. The antenna has a compact size of 18 × 12 × 0.8 mm3 on an FR‐4 substrate. The proposed antenna has been simulated in HFSS 2019 R2 EM simulator. Scattering parameter retrieval method has been used for the analysis of metamaterial unit cells. Return loss, E‐plane and H‐plane radiation patterns of the proposed antenna have been analyzed. The proposed antenna provides good radiation efficiency of 97.5% at an ISM frequency of 5.8 GHz.

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Metamaterial‐inspired printed UWB antenna for short range RADAR applications

Cited by 20 publications

References 11 publications

Slot Antenna for Ultra-Wideband Automobile Applications at 24 GHz

Slot Antenna for Ultra-Wideband Automobile Applications at 24 GHz

Parachute shape ultra‐wideband wearable antenna for remote health care monitoring

Miniaturized coplanar waveguide‐fed metamaterial inspired antenna for radio frequency identification applications

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