Browsing by Author "Roy, Tushar Kanti"

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    A smart medicine reminder kit with mobile phone calls and some health monitoring features for senior citizens
    (Scopus, 2024) Paul, Liton Chandra; Ahmed, Sayed Shifat; Rani, Tithi; Haque, Md Ashraful; Roy, Tushar Kanti; Hossain, Md Najmul; Hossain, Md Azad
    The demand for an effective system that combines cutting-edge technologies with medical research to improve healthcare systems has increased with the development of medical technology. The most fundamental form of disease prevention is taking the right medication when needed. With the right care, many fatal diseases can be cured or prevented. Therefore, it is crucial to follow the doctor's recommended drug plan. Healthcare experts now have serious concerns about patients not being able to take their prescribed medications on time, particularly elderly patients. Due to age-related memory loss, people who have been given multiple prescriptions at once over an extended period of time are more likely to forget to take their medication on time or to take the wrong medication. Sometimes, a patient's inability to take the right medication at the right time might have a major impact on their health. Aside from being forgetful, patients, especially the elderly and illiterate, may not be able to read the name stated on medical containers, leading to the consumption of the wrong medication. These errors contribute to non-adherence to pharmaceuticals, which is detrimental to the patient's health. As a result, there is a significant problem that hinders the success of the treatment. The medication reminder system is intended for people who frequently take medications or vitamin supplements in order to handle this. In order to help an elderly person properly take their medication and help the patient have a healthy life, we have created a ground-breaking portable multifunctional medicine reminder kit with phone calls. Other intelligent characteristics of the smart medicine reminder include the capacity to show the time, date, and day in real time, the detection of smoke, the measurement of air humidity and temperature in the room, the measurement of heartbeats per second, the patient's body temperature, and the oxygen saturation level.
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    Design and Performance Exploration of a DGS Metamaterial MPA by Etching Four Dual Isosceles Triangular Defects on the Ground Plane
    (IEEE, 2018-09-20) Paul, Liton Chandra; Haque, Md. Amdadul; Sarker, Sohag; Rashid, Md. Mamun Ur; Haque, Md. Ashraful; Roy, Tushar Kanti
    A design and performance analysis of a metamaterial (MTM) based rectangular microstrip patch antenna (RMPA) with four dual isosceles triangular defects on the metallic ground plane have been presented in this paper. At first, a conventional RMPA is designed by using Isola FR-408 (lossy) substrate material (ε r = 3.75 and tan δ = 0.0013). After that, the RMPA with four dual isosceles triangular defected ground structure (DGS) has been designed and verified as metamaterial with the help of Nicolson Ross Weir (NRW) method. Professional CST software has been used to perform the simulation of the designed antennas. The bandwidth of the proposed metamaterial antenna is enhanced by 345.71% compared to our designed conventional RMPA (105 MHz for conventional RMPA and 468 MHz for metamaterial RMPA), return loss is reduced from -23.10 dB to -44.299 dB, gain is enhanced from 0.205 dB to 6.291 dB, directivity is increased from 5.179 dB to 9.314 dB and voltage standing wave ratio (VSWR) is of 1.0123 which indicates very good VSWR.