PACT: Scalable, Long-Range Communication for Monitoring and Tracking Systems Using Battery-less Tags. - Yaman Sangar; Yoganand Biradavolu; Kai Pederson; Vaishnavi Nattar Ranganathan; Bhuvana Krishnaswamy (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2022)