Post on 08-May-2020
National Science Foundation Engineering Research Center
Bhaskar Krishnamachari Associate Professor and Ming Hsieh Faculty Fellow Depts. of Electrical Engineering, Computer Science
University of Southern California Los Angeles, CA 900890781
bkrishna@usc.edu http://anrg.usc.edu
National Science Foundation Engineering Research Center
The Autonomous Networks Research Group
National Science Foundation Engineering Research Center
3
ANRG Overview
• Research Focus: Design of Next Generation Wireless Networks – Wireless Sensor Networks – Vehicular Networks – Mobile Sensing – Green Cellular Networks – Underwater Networks
• Highlights – More than 200 articles including at Mobicom, Sensys, MobiHoc,
INFOCOM, IPSN, STOC and various IEEE/ACM transactions. – More than 7000 citations (source: Google Scholar) – Awards: Best paper prizes at MobiCom 2010, IPSN 2010, MSWiM
2006, IPSN 2004; ASEE Terman Award 2010 NSF CAREER Award 2004
– Funded by NSF, ARL, GM, IMSC
National Science Foundation Engineering Research Center
Battery Powered
Wi-Fi 802.11x data transmitter
Remote Configuration
Reliable & Robust
An iCampus.USC Project: Occupancy and Location Sensing
National Science Foundation Engineering Research Center
Network Architecture
Autonomous Networks Research Group
Sensor node
Gateway for 802.15.4 & 802.11
How it works
National Science Foundation Engineering Research Center
PC-TB12N-W (People Counter) by SenSource
Autonomous Networks Research Group
Features • Break-Infrared beam system • Wi-Fi 802.11b transmitter • Battery-powered ( Avg. 2yr of battery life
time) • 6-digit LCD display • Easily configure sensor settings through
USB Weakness • No timestamp • Non-directional sensor • Doesn’t work well with USC Wireless • Unreliable due to UDP • Limited installation position • Expensive ($650 w/o software license)
National Science Foundation Engineering Research Center
People & Vehicle Counter by ANRG
Autonomous Networks Research Group
Features
• Directional sensor (Thermal Array sensor) • Low-power Wi-Fi 802.11x & 802.15.4 transmitter • Battery-powered • Reliable & Robust (TCP/IP) • Remote configuration • Applicable to both of people & vehicle counter • Price will be less than $400 • Data w/ timestamp
National Science Foundation Engineering Research Center
Autonomous Networks Research Group
A single mote can control several sensors
People & Vehicle Counter by ANRG
National Science Foundation Engineering Research Center
Prototype and Results
National Science Foundation Engineering Research Center
Towards a Campus-Wide Localization Service
Autonomous Networks Research Group
Using Wi-Fi information
Indoor & Outdoor
More accurate than GPS
Support diverse OSs
National Science Foundation Engineering Research Center
WSN-based Indoor Localization
Ongoing collaboration with Prof. Burcin Becerik-Gerber to apply this to building energy management.
National Science Foundation Engineering Research Center
Thanks!