Ariful Haque Mollik, Azmal Ibna Hassan, T. K. Paul, Mariz Sintaha et al.
Bagerhat district is in the southern portion of Bangladesh and contains a portion of the world's largest mangrove forest, the Sunderbans. The Rupsha River flows through the district and falls into the Bay of Bengal after passing through the Sunderbans forest. Because of the coastal position of the d...
YA Sarker, AH Miah, Nadim Sharif, MH Himel et al.
A retrospective study was undertaken to determine the occurrence and distribution of diseases based on species, age, sex, system affected, case type, causal agents and season variation at Veterinary Teaching Hospital, Bangladesh Agricultural University from January 2012 to December 2014. According t...
Maria Kletečka-Pulker, Himel Mondal, Dongdong Wang, R. Gonzalo Parra et al.
The open innovation hub Digital Health and Patient Safety Platform (DHPSP) was recently established with the purpose to invigorate collaborative scientific research and the development of new digital products and personalized solutions aiming to improve human health and patient safety. In this study...
Liton Chandra Paul, Syed Asikul Hye, Tithi Rani, Md. Imran Hossain et al.
This work introduces a low-profile, compact microstrip patch antenna for 5G applications using a slotted semi-circular ground plane and a slotted rectangular parasitic element. This patch antenna in the shape of a wrench offers a wide impedance bandwidth of 1.48 GHz and a reflection coefficient (|S1...
Liton Chandra Paul, Himel Kumar Saha
A microstrip line feed slotted patch antenna for 28 GHz 5G application is proposed in this paper. The −10 dB bandwidth of the proposed antenna is 4.841 GHz. The antenna can operate within 24.356 GHz to 29.197 GHz frequency range which provides a very good coverage for 28 GHz upper 5G band. The recta...
Liton Chandra Paul, Himel Kumar Saha, Tithi Rani, Md. Zulfiker Mahmud et al.
An omni-directional inset fed wideband microstrip patch antenna (MPA) for Sub-6 GHz applications has been presented. Initially, a slotted small patch antenna with a full ground plane is designed and then partial ground plane and electromagnetically coupled parasitic elements have been incorporated a...
Liton Chandra Paul, M. Hossain Ali, Tithi Rani, Himel Kumar Saha et al.
A sixteen-element dual band microstrip array antenna with four branches has been presented in this paper. The dual band array antenna is suitable for ISM/Bluetooth/Zigbee/WiMAX/ WiFi-2.4/5/6 GHz applications. The antenna is made up of eight circular patch (r = 2 mm) elements and eight rectangular pa...
Liton Chandra Paul, Md. Tanvir Rahman Jim, Tithi Rani, Sarker Saleh Ahmed Ankan et al.
) of the π-slotted antenna are 35 mm and 31 mm respectively, which covers the operating frequency range 2.87-5.47 GHz. The MPA has a wide impedance bandwidth (2600 MHz), high radiation efficiency (90.88%), acceptable gain (2.647 dB) and low return loss (simulated: -36.81, measured: -25 dB). The VSWR...
Liton Chandra Paul, Sarker Saleh Ahmed Ankan, Tithi Rani, Muharrem Karaaslan et al.
Microstrip patch antenna (MPA) is widely used for different wireless communications such as WiMAX and fifth generation (5G). In this paper, a wideband, highly efficient, omnidirectional, compact novel patch antenna has been designed and reported for WiMAX/lower 5G communications. The proposed compac...
Liton Chandra Paul, Himel Kumar Saha, Tithi Rani, Rezaul Azim et al.
Summary A semi‐circular patch antenna (SCPA) is designed for WiMAX and WiFi‐5/6 communications. The footprint of the proposed SCPA is only 30 × 40 × 1.575 mm 3 , which is composed of a semi‐circular patch and a partial ground plane. The main strength of this work is that the estimated wide dual‐freq...
Ratna Paul, Mst. Sabrina Moonajilin, Sujit Kumar Sarker, Himel Paul et al.
Pre-eclampsia (PE) is a major cause of maternal and prenatal morbidity and mortality in developing countries. PE occurs in about 6% of the general women population. It complicates about 5-15% of pregnancies over 20 weeks and is responsible for 16% of maternal mortality. Pre-delivery serum Ferritin c...
Liton Chandra Paul, Himel Kumar Saha
In wireless communication, the use of microstrip patch antennas (MPAs) are expanding day by day because of its low-cost and low-profile characteristics. In this paper, a high gain <tex>$1\times 2$</tex> rectangular-shaped microstrip patch array antenna (RMPAA) is proposed. The volume of the patch ar...
Liton Chandra Paul, Himel Kumar Saha, Tushar Kanti Roy, Rezaul Azim et al.
This article presents an inset-fed wideband simple rectangular microstrip patch antenna (RMPA) for Sub-6 GHz 5G application. The volume of the studied antenna is 40× 40× 1.575mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> having a partial gr...
Liton Chandra Paul, Himel Kumar Saha
A directional dual blade-shaped microstrip array antenna (MPAA) is proposed in this paper for upper 5G application. The operating frequency of the proposed MPAA is 26.4 GHz covering 24.14 GHz–29.069 GHz bandwidth. The wideband width of the antenna is 4.929 GHz. The full ground plane helps to make th...
Sujit Kumar Sarker, Geethanjali Bhas, Ratna Paul, Himel Pal et al.
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Liton Chandra Paul, Himel Kumar Saha, Wang‐Sang Lee
In this work, a double-T shaped wideband microstrip patch antenna (MPA) with a modified ground plane is described for 5G communication. The Rogers RT-5880 (30×30×1.575 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> , 2.2, 0.0009) based anten...
Himel Kumar Saha, Liton Chandra Paul, Sk. A. Shezan, Rezaul Azim et al.
A rectangular microstrip patch array antenna (RMPAA) for 6GHz WiFi communication has been presented in this paper. The RMPAA designed on Rogers RT 5880-operates at 6.41 GHz covering 5.5356 GHz to 7.0449GHz. The antenna possesses a wide bandwidth of 1.5093 GHz with a good gain (Max. 3.52 dB) and dire...
Himel Dev, Mohammed Eunus Ali, Jalal Mahmud, Tanmoy Sen et al.
Ratna Paul, Mst. Sabrina Moonajilin, Hridhima karmakar, Himel Pal et al.
Background and Aims: Infertility is a significant public health issue worldwide, and endometriosis is a major contributor to infertility, impacting 6%-10% of reproductive-aged women. The objective of the study is to assess the relationship between bioavailable 25(OH)D (BVD) levels and endometriosis ...
Sujit Kumar Sarker, Ratna Paul, Himel Pal, Banaripara Upazila Health Complex, Banaripara, Barisal, Bangladesh. et al.
Introduction: St John's wort (Hypericum perforatum L.) is a perennial plant that has transparent perforations on its leaves. It has been used as medicinal herb since ancient time.