Arshad Karimbu Vallappil

According to our database, Arshad Karimbu Vallappil authored at least 5 papers between 2020 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

Compact low-profile multiple-input multiple-output (MIMO) antenna for portable devices in next-generation 5G wireless networks.

Nathirulla Sheriff, Arshad Karimbu Vallappil, Sharul Kamal Abdul Rahim, Bilal A. Khawaja, Tan Kim Geok, Adnan Iftikhar, Muhammad Uzair

Wirel. Networks, August, 2025

RFiDAR: Contactless RFID and Radar Data Fusion for Enhanced Human Activity Recognition.

Muhammad Zakir Khan, William Taylor, Muhammad Usman, Jawad Ahmad, Naeem Ramzan, Bilal A. Khawaja, Arshad Karimbu Vallappil, Muhammad Imran, Qammer H. Abbasi

IEEE Internet Things Mag., July, 2025

2024

A Miniaturized Metamaterial-Loaded Switched-Beam Antenna Array System With Enhanced Bandwidth for 5G Applications.

Arshad Karimbu Vallappil, Mohamad Kamal A. Rahim, Bilal A. Khawaja, Muhammad Naeem Iqbal

IEEE Access, 2024

2021

Butler Matrix Based Beamforming Networks for Phased Array Antenna Systems: A Comprehensive Review and Future Directions for 5G Applications.

Arshad Karimbu Vallappil, Mohamad Kamal A. Rahim, Bilal A. Khawaja, Noor Asniza Murad, Mohammed Gajibo Mustapha

IEEE Access, 2021

2020

Compact Metamaterial Based 4 × 4 Butler Matrix With Improved Bandwidth for 5G Applications.

Arshad Karimbu Vallappil, Mohamad Kamal A. Rahim, Bilal A. Khawaja, Muhammad Naeem Iqbal

IEEE Access, 2020