Energy Harvesting and Green 6G Networks

Designing sixth-generation (6G) wireless communication networks intends to offer very fast data rates, ultralow latency, and dependable connection for billions of smart devices.However, these technological advances also lead to a significant rise in the energy consumption and carbon emissions of network infrastructures.To address this challenge, energy harvesting and green communication technologies have emerged as critical areas of research, analysis, and investigation for building sustainable 6G networks.Analytical studies indicate that integrating energy harvesting mechanisms enables network nodes to collect and store renewable energy from diverse sources such as solar, wind, radio frequency (RF) signals, and mechanical vibrations, thus minimizing dependency on traditional power supplies.In parallel, green communication research focuses on optimizing network architecture, spectrum utilization, and hardware efficiency to reduce overall energy wastage.This research-oriented study provides an investigative overview of existing energy harvesting techniques, their performance analysis, and their integration strategies within 6G systems to develop an ecofriendly, self-sustaining, and energy-efficient communication infrastructure.