By: Soham Modi and Vaibhav Godase
Student , Deptment of E & TC, SKN Sinhgad College of Engineering, Pandharpur,Maharashtra, India .
Assistant Professor , Deptment of E & TC, SKN Sinhgad College of Engineering, Pandharpur,Maharashtra, India
The increasing global demand for sustainable technologies has catalyzed innovation in energy-
efficient radio frequency (RF) and microwave systems. This paper explores the principles,
methodologies, and advancements underpinning green microwave engineering, with a particular
focus on the design and optimization of energy-efficient RF circuits. A systematic literature review
was conducted, analyzing peer-reviewed publications, technical reports, and case studies to assess
current progress and identify persistent challenges. Key findings reveal that low-power circuit
design techniques, multi-source energy harvesting strategies, and the use of environmentally
conscious materials are central to reducing energy consumption in RF systems. Empirical data
from recent studies underscore significant improvements in performance and power efficiency
when compared to traditional RF designs. Moreover, the integration of artificial intelligence (AI)
and advanced semiconductors has emerged as a pivotal enabler of sustainability in this field.
Despite notable progress, challenges remain in balancing energy efficiency with circuit
performance, especially under real-world operating conditions. This paper concludes by
highlighting future research directions, including hybrid energy harvesting systems, AI-assisted
circuit optimization, and policy frameworks to support sustainable RF engineering practices. The
findings contribute to the growing body of knowledge promoting environmentally responsible innovation in microwave technologies.
Microwave-assisted processing, Energy efficiency, Green RF systems, Sustainable
materials, Bioenergy
Citation:
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