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Time Division Multiple Access For Vehicular CommunicationsThe VeMAC Protocol

Time Division Multiple Access For Vehicular Communications: The VeMAC Protocol [This chapter presents VeMAC, a novel multichannel TDMA protocol developed specifically for a VANET scenario [1, 2, 3]. The VeMAC supports an efficient one-hop broadcast services on the CCH, by using implicit acknowledgments and eliminating the hidden terminal problem, in order to successfully deliver both periodic and event-driven safety messages in VANETs. The protocol reduces transmission collisions due to node mobility on the control channel by assigning disjoint sets of time slots to vehicles moving in opposite directions and to road side units. Analysis and simulation results in highway and city scenarios are presented to evaluate the performance of VeMAC and compare it with ADHOC MAC [4]. It is shown that, due to its ability to reduce the rate of transmission collisions, the VeMAC protocol can provide considerably higher throughput on the CCH than ADHOC MAC.] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

Time Division Multiple Access For Vehicular CommunicationsThe VeMAC Protocol

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Publisher
Springer International Publishing
Copyright
© The Author(s) 2014
ISBN
978-3-319-09503-5
Pages
13 –38
DOI
10.1007/978-3-319-09504-2_3
Publisher site
See Chapter on Publisher Site

Abstract

[This chapter presents VeMAC, a novel multichannel TDMA protocol developed specifically for a VANET scenario [1, 2, 3]. The VeMAC supports an efficient one-hop broadcast services on the CCH, by using implicit acknowledgments and eliminating the hidden terminal problem, in order to successfully deliver both periodic and event-driven safety messages in VANETs. The protocol reduces transmission collisions due to node mobility on the control channel by assigning disjoint sets of time slots to vehicles moving in opposite directions and to road side units. Analysis and simulation results in highway and city scenarios are presented to evaluate the performance of VeMAC and compare it with ADHOC MAC [4]. It is shown that, due to its ability to reduce the rate of transmission collisions, the VeMAC protocol can provide considerably higher throughput on the CCH than ADHOC MAC.]

Published: Sep 3, 2014

Keywords: City Scenario; Assigned Disjoint Sets; Time Slot; Safety Messages; Transmission Collisions

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