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Md. Abdur Rahim

Work place: Department of Computer Science and Engineering, Pabna University of Science and Technology, Pabna-6600, Bangladesh

E-mail: rahim@pust.ac.bd

Website: https://orcid.org/0000-0003-2300-1420

Research Interests: Image Processing, Computer Architecture and Organization, Pattern Recognition, Computer Vision, Human-Computer Interaction

Biography

Md. Abdur Rahim received his Ph.D. in 2020 in Computer Science and Engineering from the University of Aizu, Japan. He is an Associate Professor and Chairman of the Department of Computer Science and Engineering, Pabna University of Science and Technology, Pabna, Bangladesh. He received his Bachelor of Science (Honours) and Master of Science in Computer Science and Engineering from the University of Rajshahi, Bangladesh, in 2008 and 2009. His current research interests include human-computer interaction, pattern recognition, computer vision and image processing, human recognition, and machine intelligence. He has been a reviewer for several major SCI/SCIE journals and a Technical Program Committee member for many conferences.

Author Articles
Performance Evaluation of Slotted Star-Shaped Dual-band Patch Antenna for Satellite Communication and 5G Services

By Md. Najmul Hossain Al Amin Islam Jungpil Shin Md. Abdur Rahim Md. Humaun Kabir

DOI: https://doi.org/10.5815/ijwmt.2023.03.05, Pub. Date: 8 Jun. 2023

The advancement of wireless communication technology is growing very fast. For next-generation communication systems (like 5G mobile services), wider bandwidth, high gain, and small-size antennas are very much needed. Moreover, it is expected that the next-generation mobile system will also support satellite technology. Therefore, this paper proposes a slotted star-shaped dual-band patch antenna that can be used for the integrated services of satellite communication and 5G mobile services whose overall dimension is 15×14×1.6 mm3. The proposed antenna operates from 18.764 GHz to 19.775 GHz for K-band satellite communication and 27.122 GHz to 29.283 GHz for 5G (mmWave) mobile services. The resonance frequencies of the proposed antenna are 19.28 GHz and 28.07 GHz having bandwidths of 1.011 GHz and 2.161 GHz, respectively. Moreover, the proposed dual-band patch antenna has a maximum radiation efficiency of 76.178% and a maximum gain of 7.596 dB.

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