ADVANCEMENTS IN RECONFIGURABLE ANTENNAS FOR ENHANCED WIRELESS AND SATELLITE COMMUNICATION: A COMPREHENSIVE TECHNOLOGICAL AND PERFORMANCE REVIEW

Reconfigurable antennas (RAs) have emerged as a crucial part of futuristic wireless communication devices, addressing the growing need for multifunctional antennas capable of dynamic adjustments. Unlike traditional antennas with static properties, RAs can alter their radiation patterns, frequencies, and polarizations to optimize performance across various applications, including terrestrial, satellite, and vehicular communication. This flexibility is crucial in meeting the growing demand for effective communication in rural and urban areas. The article provides a comprehensive classification of RAs into four reconfiguration techniques: electronic and optical switches, structural modifications, intelligent materials, and bistable composites. The methods improve antenna flexibility through their ability to change between different modes of performance with ease, promoting overall system performance. The study then explores new RA technology advancements, examining their mechanism, design methodology, and applications in reality. Issues such as power dissipation, switching time, and structural stability are also discussed, together with areas of future study.