@article{Takeshi Hirai20182018XBL0095, title={Node-Clustering Communication Method to improve QoS in V2X Communications in Crash Warning Applications}, author={Takeshi Hirai and Tutomu Murase}, journal={IEICE Communications Express}, volume={advpub}, number={ }, pages={2018XBL0095}, year={2018}, doi={10.1587/comex.2018XBL0095} }