Multi-channel Dual Clocks three-dimensional probability Random Multiple Access protocol for Wireless Public Bus Networks based on RTS/CTS mechanismSheng Jie Zhou, Hong Wei Ding, Meng Yao Wang, Qian Lin Liu and Zhi Jun YangMATEC Web of Conferences, 44 (2016) 01022DOI: https://doi.org/10.1051/matecconf/20164401022