Synthesizing Existing CSMA and TDMA Based MAC Protocols for VANETs
AbstractMany Carrier Sense Multiple Access (CSMA) and Time Division Multiple Access (TDMA) based medium access control (MAC) protocols for vehicular ad hoc networks (VANETs) have been proposed recently. Contrary to the common perception that they are competitors, we argue that the underlying strategies used in these MAC protocols are complementary. Based on this insight, we design CTMAC, a MAC protocol that synthesizes existing strategies; namely, random accessing channel (used in CSMA-style protocols) and arbitral reserving channel (used in TDMA-based protocols). CTMAC swiftly changes its strategy according to the vehicle density, and its performance is better than the state-of-the-art protocols. We evaluate CTMAC using at-scale simulations. Our results show that CTMAC reduces the channel completion time and increases the network goodput by 45% for a wide range of application workloads and network settings. View Full-Text
Share & Cite This Article
Huang, J.; Li, Q.; Zhong, S.; Liu, L.; Zhong, P.; Wang, J.; Ye, J. Synthesizing Existing CSMA and TDMA Based MAC Protocols for VANETs. Sensors 2017, 17, 338.
Huang J, Li Q, Zhong S, Liu L, Zhong P, Wang J, Ye J. Synthesizing Existing CSMA and TDMA Based MAC Protocols for VANETs. Sensors. 2017; 17(2):338.Chicago/Turabian Style
Huang, Jiawei; Li, Qi; Zhong, Shaohua; Liu, Lianhai; Zhong, Ping; Wang, Jianxin; Ye, Jin. 2017. "Synthesizing Existing CSMA and TDMA Based MAC Protocols for VANETs." Sensors 17, no. 2: 338.
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.