SAR Calculations of Novel Wearable Fractal Antenna on Metamaterial Cell for Search and Rescue Applications
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In this article, a multiband wearable fractal antenna suitable for GPS, WiMax and WiFi (Bluetooth) applications is presented. But the proposed wearable antenna may be attached to human body, so the specific absorption ratio (SAR) must be calculated.Abstract:
In this paper, a novel multiband wearable fractal antenna suitable for GPS, WiMax and WiFi (Bluetooth) applications is presented. This antenna is designed to operate at four resonance frequencies are 1.57, 2.7, 3.4 and 5.3 GHz. The proposed wearable antenna may be attached to human body, so the specific absorption ratio (SAR) must be calculated. Therefore, another design to reduce SAR value with a spiral metamaterial meandered in the ground plane is introduced. In addition, a wearable fractal antenna system integrated on a life jacket is also presented.read more
Citations
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Asymmetric ground structured circularly polarized antenna for ism and wlan band applications
Badugu Prudhvi Nadh,B. T. P. Madhav,Munuswamy Siva Kumar,Manikonda Venkateswara Rao,T. Anilkumar +4 more
TL;DR: In this paper, a dual-band antenna with circular polarization was proposed for wearable applications in conformal nature with low specific absorption rate (SAR), and the placement and radiation characteristics analysis was done with Ansys Savant tool, and subsequent measured results provide good correlation with simulation results.
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A Critical Survey on Fractal Wearable Antennas with Enhanced Gain and Bandwidth for WBAN
TL;DR: In this paper, a comparison study has been made of different fractal geometry antennas on wearable fabric substrates, the techniques to improve the bandwidth and gain of such antennas, which follows the discussion of groundbreaking features and approaches in slackening these issues that are anticipated recently by researchers in this field.
References
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TL;DR: In this article, the fundamental field equations of wave propagation in homogeneous and layered media waveguides and cavities have been studied, including the effects of a dipole on the conducting earth, inverse scattering radiometry, and interferometry numerical techniques.
Journal ArticleDOI
Wearable Antennas for Off-Body Radio Links at VHF and UHF Bands: Challenges, the state of the art, and future trends below 1 GHz.
Paolo Nepa,Hendrik Rogier +1 more
TL;DR: In this paper, an in-depth survey of wearable antennas for offbody radio links in the very high-frequency (VHF) and ultrahighfrequency (UHF) bands (below 1 GHz) is presented.
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Introduction, History, and Selected Topics in Fundamental Theories of Metamaterials
TL;DR: In this article, the wave parameters in DNG media FDTD simulations of DNG Media Causality in DNN Media Scattering from a DNG Slab Backward Waves Negative Refraction Phase Compensation with DNG Medium Dispersion Compensation in a Transmission Line Using aDNG Medium Subwavelength Focusing with a DNN Medium Metamaterials with a Zero Index of Refraction Summary References
Proceedings ArticleDOI
Effect of single complimentary split ring resonator structure on microstrip patch antenna design
TL;DR: In this paper, the performance of the normal patch antenna with single complimentary split ring resonator patch antenna is compared with four different shapes of SRSR structure incorporated into the microstrip patch antenna -square, circular, triangular and rhombic.
Journal ArticleDOI
A Wearable Two-Antenna System on a Life Jacket for Cospas-Sarsat Personal Locator Beacons
TL;DR: A wearable two-antenna system to be integrated on a life jacket and connected to Personal Locator Beacons of the Cospas-Sarsat system is presented and provides complementary radiation patterns so that Cospa-Sarasat requirements (satellite constellation coverage and EIRP profile) are fully satisfied.