Nayan Sarker, Prajoy Podder, M. Rubaiyat Hossain Mondal, Sakib Shahriar Shafin et al.
This review paper provides an overview of the latest developments in artificial intelligence (AI)-based antenna design and optimization for wireless communications. Machine learning (ML) and deep learning (DL) algorithms are applied to antenna engineering to improve the efficiency of the design and ...
Md. Ashraful Haque, Nayan Sarker, Narinderjit Singh Sawaran Singh, Md Afzalur Rahman et al.
An inset fed-microstrip patch antenna (MPA) with a partial ground structure is constructed and evaluated in this paper. This article covers how to evaluate the performance of the designed antenna by using a combination of simulation, measurement, creation of the RLC equivalent circuit model, and the...
Nayan Chakrabarty, Mehrin Mamun Mourin, Nawsheen Islam, Ahmed Redwan Haque et al.
Md Mahidur Rahman, Md Shahariar Islam Shanto, Nayan Sarker, Tithi Rani et al.
Abstract Wireless power transfer (WPT) is a promising technology that has the potential to revolutionize the present methods of power transmission. This paper aims to provide an overview of WPT, including its history, a comparative review of methods, and a review of recent papers about WPT. We discu...
Liton Chandra Paul, M. Hossain Ali, Nayan Sarker, Md. Zulfiker Mahmud et al.
A directional wideband microstrip line fed rectangular patch antenna has been proposed for the 28 GHz 5G applications. Initially, a conventional rectangular microstrip patch antenna has been designed thereafter to enhance the performances as well as to tune in the desired operating frequency range (...
Liton Chandra Paul, Sajeeb Chandra Das, Nayan Sarker, Rezaul Azim et al.
A wideband microstrip patch antenna (MPA) has been presented for fifth generation (5G) wireless application. The antenna is etched on Rogers RT 5880 (lossy) material (2.2, 0.0009) having compact size of $20\times 20\times 0.79\mathrm{mm}^{3}$. It shows gain of 5.22 dB, directivity of 7.48 dBi and VS...
Hasibul Islam, Jhansi Bharathi Madavarapu, Nayan Kumar Sarker, Asfaqur Rahman
The study showed the effect of cyber threats or technical problems on customer attitude towards e-banking services. A self-administered questionnaire was used to collect the data, and 400 respondents from eight divisions (Dhaka, Barisal, Rangpur, Chittagong, Khulna, Mymensingh, Rajshahi, and Sylhet)...
Quazi Deen Mohammad, Narayan Chandra Saha, Md Badrul Alam, Seikh Azimul Hoque et al.
OBJECTIVE: To determine the prevalence and types of epilepsy in Bangladesh. METHODS: We conducted a nationwide population-based cross-sectional survey among Bangladeshi population of all ages, except children under one month. We surveyed 9839 participants (urban, 4918; rural, 4920) recruited at thei...
Md. Asfaqur Rahman, Hasibul Islam, Rakibul Islam, Nayan Kumar Sarker
Management by Objectives (MBO) is one of the most effective performance appraisal method widely used in the organization. This study deals with the effect of Management by Objectives on performance appraisal and employee satisfaction. A self-administered questionnaire was used to judge the perceptio...
Md. Abdullah Al Mamun, Hasibul Islam, Nayan Kumar Sarker
Purpose: The aim of the research is to explore the affiliation between banks performance and capital adequacy in Bangladesh. Methodology: A total of 20 listed conventional banks are selected as a sample covering a period of 11 years from 2010-2020. The analysis of the study is conducted with help of...
Chameli Saha, Mahmood Hossain, Subir Nandi Sarker Nayan, Mohammad Raqibul Hasan Siddique et al.
Artocarpus heterophyllus Lam. and Mangifera indica L. are the common homestead species that are planted all over Bangladesh for fruit and commercial timber production to meet the local household demand. The allometric biomass model is a non-destructive mathematical tool to estimate the biomass and c...
Liton Chandra Paul, Md. Tanvir Rahman Jim, Tithi Rani, Md Samsuzzaman et al.
A compact wideband slotted hexagonal patch antenna (CWSHPA) with a modified ground plane structure for WiFi-5/6 communication has been designed and proposed in this paper. In the hexagonal patch antenna, a substrate material named Rogers RT5880 with a thickness of 0.79 mm is used. The modified groun...
Imteaz Rahaman, Md. Ashraful Haque, Narinderjit Singh Sawaran Singh, Md. Shakiul Jafor et al.
In this research, a novel antenna array named Linearly arranged Concentric Circular Antenna Array (LCCAA) is proposed, concerning lower beamwidth, lower sidelobe level, sharp ability to detect false signals, and impressive SINR performance. The performance of the proposed LCCAA beamformer is compare...
Liton Chandra Paul, Sajeeb Chandra Das, Nayan Sarker, Md. Fatin Ishraque et al.
A low-profile microstrip patch antenna (LMPA) with defected ground structure (DGS) for 5G applications has been developed and proposed in the paper. The antenna has a large bandwidth of 5.85 GHz that supports huge data volume. The antenna is capable of operating from 25.52 GHz to 31.37 GHz with very...
Dewan Mehrab Ashrafi, Md. Atiqur Rahman Sarker, Junaidah Hashim, Ahasanul Haque et al.
A plethora of researchers has dominantly kept their focal point on the concept of social entrepreneurship and its economic development and sustainable aspect, but very few studies have been carried out which solely emphasized the youth and social entrepreneurship in Bangladesh. This study aims to ex...