Feasibility of Wireless Energy Transfer Using Intelligent Reflecting Surface in Next Generation IoT Networks

Watch a technical lecture exploring wireless energy transfer (WET) implementation in IoT networks using Intelligent Reflecting Surface (IRS) technology. Discover how IRS, comprising passive reflecting elements without RF chains, can enhance energy harvesting efficiency through constructive interference. Learn about key challenges in WET systems, including path loss issues and energy consumption concerns, while examining solutions involving antenna selection and passive beamforming strategies. Explore detailed analyses of system performance under various conditions, including perfect and imperfect CSI scenarios, discrete phase shifts, and multi-user environments. Gain insights from Prof. Salil Kashyap of IIT Guwahati as he demonstrates how trading active RF chains for passive IRS elements can improve both outage probability and power transfer efficiency in next-generation IoT networks.