Sunil Mishra

Effect of Defected Ground Structures on Microstrip Patch Antenna Performance for ISM Band Applications

Harsh Verma, Sunil Mishra, Pragyesh Kumar Agrawal & Alok Kumar Rastogi · Physical Science International Journal · 2025

Recent years have seen a rise in the use of microstrip patch antennas (MPAs) due to their superior radiation properties, affordability, lightweight design, ease of feeding, and ease of manufacturing and analysis. This study investigates how the addition of Defected Ground Structu...

Open access Research Article 10.9734/psij/2025/v29i2876

Hexagonal Shaped 4-Port MIMO Filtering Antenna with High Gain & Low Mutual Coupling for Multiuser Applications

Merlyn Sylvester, Alok Kumar Rastogi, Pragyesh Kumar Agrawal & Sunil Mishra · Physical Science International Journal · 2025

This research presents an advanced 4-port multiple-input multiple-output (MIMO) antenna designed to address the rigorous requirements of 5G/6G, ultra-wideband (UWB), and Internet of Things (IoT) applications. The antenna features four hexagonal-shaped radiating elements interface...

Open access Research Article 10.9734/psij/2025/v29i5902