= Magic Room: Device-free Sensing of People using Batteryless Tags and Machine Learning = **WINLAB Summer Internship 2024**\\ **Group Members:** Shriya Das, Xiang Meng, Sam-Fone Cheung, Aly Mustafa\\ **Advisor:** Aggelos Bletsas == Project Objective Batteryless, ultra-low cost RFID (radio frequency identification tags) tags can serve as additional ultra-low cost antennas; variations of the multipath propagation inside a room offers impressive information for estimating the number of people and their tracks inside a room; WINLAB techniques, including machine learning, will be tested. == Weekly Progress ===== Week 1-4 ===== For the first couple of weeks, our group worked solely on the [wiki:pD Plant Doctor] project, also led by our advisor Aggelos Bletsas. ===== Week 5 ===== [https://docs.google.com/presentation/d/1IVHxp37dLoeeXByd_AVcU_r4t5fZpaF5VpObRvP3WJ0/edit#slide=id.g2e87caedfd1_1_13 Week 5 Presentation]\\ //Progress: // During our first week of work, we put 150 RFID tags along two walls of the WINLAB conference room. Before putting them on, we recorded the [https://docs.google.com/spreadsheets/d/1daMvb9Ci_dN-KZEvOz5IOwuJlokXugWA9UsHR1Zu1xM/edit?usp=sharing distinct EPC] (electronic product code) of each tag. We spaced the tags 16cm apart to minimize any interference from multiple tags. ===== Week 6 ===== [https://docs.google.com/presentation/d/1-7moUngbOc2PINJ74P3ExGqPDcZm87n6DDz_LIn_XoA/edit#slide=id.g2e8aa2581e4_1_0 Week 6 Presentation]\\ //Progress: //