Whisper: IoT in the TV White Space Spectrum. - Tusher Chakraborty; Heping Shi; Zerina Kapetanovic; Bodhi Priyantha; Deepak Vasisht; Binh Vu; Parag Pandit; Prasad Pillai; Yaswant Chabria; Andrew Nelson; Michael Daum; Ranveer Chandra (NSDI, 2022)