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YouTube

Systems & Networks Seminar - Enabling Low-Power Communication for IoT Devices

Paul G. Allen School via YouTube

Overview

Explore cutting-edge research on low-power communication for IoT devices in this Systems & Networks Seminar. Delve into innovative techniques for wireless connectivity, energy-efficient computing, and IoT data analytics. Learn about a novel approach that leverages existing WiFi, Bluetooth, and ZigBee signals to embed information using codeword translation, enabling low-power communication for IoT devices. Discover how this technology achieves data rates of 300 kbps at close range and extends communication distances up to 42m in line-of-sight deployments. Gain insights into the challenges of power consumption in wireless radios and the potential solutions offered by backscatter communication. Examine practical applications, including embedding ECG and camera sensor data onto indoor WiFi traffic. Understand the impact of scramblers on backscattering, interference management, and the role of energy harvesting in continuous operations for IoT devices.

Syllabus

Intro
Wireless communication consumes lots of power
Demo: backscattering ECG sensing data with WiFi radios
How to change the phase at low power?
What is the impact of scrambler on backscattering 802.11b?
Interference from the WiFi transmitter
Software and hardware prototype
Experiment Setup
Leverage energy harvesting for continuous operations Micro energy harvesting
Improved operational range for image sensing tasks

Taught by

Paul G. Allen School

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