E-BOP: A simple and efficient enhancement of ZigBee's BOP protocol. - S. Takagawa; Mehdad N. Shirazi; Jun Cheng; Ryu Miura (ICNC, 2012)

A reliable and energy-efficient MAC protocol for cluster-tree wireless sensor networks. - S. Takagawa; Mehdad N. Shirazi; B. Zhang; J. Cheng; Ryu Miura (ICNC, 2012)