Deep Learning for RF Fingerprinting: A Massive Experimental Study. - Tong Jian; Bruno Costa Rendon; Emmanuel Ojuba; Nasim Soltani; Zifeng Wang 002; Kunal Sankhe; Andrey Gritsenko; Jennifer G. Dy; Kaushik R. Chowdhury; Stratis Ioannidis (IEEE Internet Things Mag., 2020)