Low-Power Communication Circuits for Net-Zero-Energy IoT Nodes
Name
Jung-jungj-meng-eecs-2022-thesis.pdf
Description
Thesis PDF
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786.27 KB
Format
Adobe PDF
Checksum (MD5)
6db1a12ab5929a5411a1ef8de979e438
Author(s)
Jung, Jaeyoung
Advisor(s)
Chandrakasan, Anantha P.
Date Issued
May 2022
Publisher
Massachusetts Institute of Technology
Abstract
While Internet of Things (IoT) devices are increasingly widespread thanks to the lower cost of semiconductors, the reach of IoT is limited by the fundamental need of IoT devices for power. Currently, IoT devices are powered by a battery, which must be periodically replaced or recharged, or powered from the electrical grid, which limits mobility and requires a permanent wired connection. This thesis presents a solution in the form of the Net-Zero-Energy Device, an IoT node that can power itself by harvesting energy from 5G radiation. To transmit data from weak 5G signals, the energy harvester was optimized for sensitivity, and the active blocks were optimized to minimize their leakage power. The focus of this thesis is the design of the encoder block and backscatter circuit, which enable the IoT node to transmit data.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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