Abstract
This paper proposes a Hybrid Mac protocol(H-MAC) that combines reservation and competition mechanisms to solve the sudden burst data flow at link layer of the VANET(Vehicle Ad hoc Network). Based on the entire network time synchronization, H-MAC protocol divides a frame cycle into two parts. The first part is reservation period in which each node has its own slot. Node could send stable data flow such as beacon packets in the slot. The second part is competition period in which burst data could be sent. Therefore, beacon frames and burst data are divided. H-MAC improves the utilization of channels and reduces delays that caused by collision of the burst data. Simulation results show that the proposed H-MAC protocol provides high reliability of broadcast data at MAC layer.
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Luo, J., Zha, J., Xiao, Y., Li, R. (2013). H-Mac: A Hybrid MAC Protocol for VANET. In: Wang, R., Xiao, F. (eds) Advances in Wireless Sensor Networks. CWSN 2012. Communications in Computer and Information Science, vol 334. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-36252-1_32
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DOI: https://doi.org/10.1007/978-3-642-36252-1_32
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