International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 11 Issue: 05 | May 2024
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p-ISSN: 2395-0072
DESIGN AND DEVELOPMENT OF WEARABLE ANTENNA FOR PROACTIVE TUMOR DETECTION Dr. P. SURESH KUMAR,
SABEEKA DEBORAH S,
SHWETHA S
Professor and Head, Department of ECE, Chennai Institute of technology, Chennai -69.
Final year Student, Department of ECE, Chennai institute of technology, Chennai -69.
Final year Student, Department of ECE, Chennai institute of technology, Chennai-69.
-----------------------------------------------------------------***-----------------------------------------------------------------KEYWORDS: Microstrip patch antenna, 2.4Ghz ISM band, Antenna performance, Gain, reflection coefficient.
ABSTRACT In recent years, wearable electronics have gained opportunities and the past decade has become evidence of this growth in Wireless Body Area Network (WBAN). They fulfill the requirements of personalizing healthcare, communication, patient monitoring, tracking, and rescue operations. The major challenge for the WBAN is to handle the coupling of the radiator with the human body. To increase the performance of a microstrip patch antenna, it has been blended and truncated on the diagonal sides to make up the suggested antenna design. Flexible electronics have paved the way for Wireless Body Area Networks (WBAN). This allows for optimal performance. The square patch, measuring 50 × 50 mm, resonates at the 2.4 GHz ISM band, which is frequently utilized in wireless communication applications. The FR-4 substrate, which has a relative permittivity of 4.3, was selected for the antenna. It is a lossy material with a thickness of 1.6 mm and dimensions that match those of the ground plane (50 x 50 mm). Perfect Electric Conductor (PEC) is the material used for the patch. Its dimensions are 30 × 30 mm, or half the wavelength at the resonance frequency To further improve performance, a slot is added to the patch's center. A secondary ground plane measuring 90 x 90 mm and 2 mm thick is placed beneath the primary ground plane in addition to the main ground plane to improve radiation efficiency and antenna stability. In order to maximize signal strength and coverage, the coaxial feed in the design is carefully calibrated to improve gain. The design seeks to improve impedance matching, radiation pattern, and overall antenna performance by truncating and blending the square patch antenna in addition to adding a slot and an extra ground plane. In order to maximize efficiency and reliability and satisfy the criteria of the 2.4 GHz ISM band, much consideration is given to the choice of materials and dimensions. The proposed antenna is designed and simulated using CST Microwave Studio software. The proposed antenna is an efficient antenna with realized gain of 2.88dBi, low VSWR and wide bandwidth.
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INTRODUCTION: Wearable technology is the integration of computer and electronic technologies into everyday objects like clothes. Accessories that can be worn include fabrics, jewelry, watches, headgear, and eyeglasses. These devices include features similar to those of smartphones and PCs, in addition to providing tracking, sensing, and scanning capabilities[1]. This is a big development for ubiquitous computing since it makes information accessible from anywhere[2,3]. Among textile structures features, built-in antennas have shown to be an essential component of wearable technology, enabling wireless communication through clothing[4]. Among other things, wearables can be used as monitoring systems for assisted living and life care.Wearable textile systems are created when these monitoring devices are paired with textile clothing[5,6]. For a long time, antennas have been used in many different medical applications, including as medical implants, hyperthermia treatments, microwave imaging, and remote health monitoring. An antenna is, generally speaking, a device that can both receive and send electromagnetic waves [6,7]. Micro-strip patch antennas are frequently employed in communication systems and search engines to establish the necessary communication links for biomedical equipment.Microstrip antennas are attractive because they are lightweight, low profile, simple to operate, and inexpensive to produce. The advantages of a small, inexpensive feed network are realized. Micro-strip antennas have been used extensively in books and publications over the past ten years[8,9]. Therapeutics and diagnostics are the two main uses for medical antennas. The antenna is either directly in contact with the skin or incorporated within the human body in therapeutic circumstances[10]. However, in diagnostic applications, the antenna is worn as a wearable device or placed completely outside the body, either in direct contact[11,12]. Wearable antenna concepts for biomedical applications are shown in Figure 1.1.
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