OPT: Optimal Protocol Tree for Efficient Tag Identification in Dense RFID Systems. - Girish Khandelwal; Aylin Yener; Min Chen 017 (ICC, 2006)

ASAP: A MAC Protocol for Dense and Time-Constrained RFID Systems. - Girish Khandelwal; Kyounghwan Lee; Aylin Yener; Semih Serbetli (EURASIP J. Wirel. Commun. Netw., 2007)