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ORCIDArshad Karimbu Vallappil
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2020 – today
- 2025
[j5]Muhammad Zakir Khan, William Taylor, Muhammad Usman, Jawad Ahmad, Naeem Ramzan
, Bilal A. Khawaja, Arshad Karimbu Vallappil, Muhammad Imran, Qammer H. Abbasi:
RFiDAR: Contactless RFID and Radar Data Fusion for Enhanced Human Activity Recognition. IEEE Internet Things Mag. 8(4): 60-69 (2025)- [j4]Nathirulla Sheriff, Arshad Karimbu Vallappil, Sharul Kamal Abdul Rahim, Bilal A. Khawaja, Tan Kim Geok, Adnan Iftikhar, Muhammad Uzair:
Compact low-profile multiple-input multiple-output (MIMO) antenna for portable devices in next-generation 5G wireless networks. Wirel. Networks 31(6): 4147-4161 (2025) - 2024
- [j3]Arshad Karimbu Vallappil, Mohamad Kamal A. Rahim, Bilal A. Khawaja, Muhammad Naeem Iqbal:
A Miniaturized Metamaterial-Loaded Switched-Beam Antenna Array System With Enhanced Bandwidth for 5G Applications. IEEE Access 12: 6684-6697 (2024) - 2021
- [j2]Arshad Karimbu Vallappil, Mohamad Kamal A. Rahim, Bilal A. Khawaja, Noor Asniza Murad, Mohammed Gajibo Mustapha:
Butler Matrix Based Beamforming Networks for Phased Array Antenna Systems: A Comprehensive Review and Future Directions for 5G Applications. IEEE Access 9: 3970-3987 (2021) - 2020
- [j1]Arshad Karimbu Vallappil, Mohamad Kamal A. Rahim, Bilal A. Khawaja, Muhammad Naeem Iqbal:
Compact Metamaterial Based 4 × 4 Butler Matrix With Improved Bandwidth for 5G Applications. IEEE Access 8: 13573-13583 (2020)
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