64 citations · 67 across the 4 of their papers we have counts for
5 papers
Fine-grained Vibration Based Sensing Using a Smartphone
Kamran Ali, Alex X. Liu
Recognizing surfaces based on their vibration signatures is useful as it can enable tagging of different locations without requiring any additional hardware such as Near Field Comm…
Monitoring Browsing Behavior of Customers in Retail Stores via RFID Imaging
Kamran Ali, Alex X. Liu, Eugene Chai +1
In this paper, we propose to use commercial off-the-shelf (COTS) monostatic RFID devices (i.e. which use a single antenna at a time for both transmitting and receiving RFID signals…
On Goodness of WiFi based Monitoring of Vital Signs in the Wild
Kamran Ali, Mohammed Alloulah, Fahim Kawsar +1
WiFi channel state information (CSI) has emerged as a plausible modality for sensing different human vital signs, i.e. respiration and body motion, as a function of modulated wirel…
The Insecurity of Home Digital Voice Assistants -- Amazon Alexa as a Case Study
Xinyu Lei, Guan-Hua Tu, Alex X. Liu +3
Home Digital Voice Assistants (HDVAs) are getting popular in recent years. Users can control smart devices and get living assistance through those HDVAs (e.g., Amazon Alexa, Google…
Towards Designing PLC Networks for Ubiquitous Connectivity in Enterprises
Kamran Ali, Ioannis Pefkianakis, Alex X. Liu +1
Powerline communication (PLC) provides inexpensive, secure and high speed network connectivity, by leveraging the existing power distribution networks inside the buildings. While P…