Priority-Based Hybrid MAC Protocol for VANET with UAV-Enabled Roadside Units

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Parameters</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Carrier frequency</td><td class="align_center">2.4 GHz</td></tr><tr><td class="align_left">Length of the normal priority data packet</td><td class="align_center">1000 bytes</td></tr><tr><td class="align_left">Length of the second priority data packet</td><td class="align_center">200 bytes</td></tr><tr><td class="align_left">Length of the highest priority data packet</td><td class="align_center">50 bytes</td></tr><tr><td class="align_left">Transmission range of OBU and U-RSU</td><td class="align_center">500 m</td></tr><tr><td class="align_left">Length of the control message</td><td class="align_center">512 bits</td></tr><tr><td class="align_left">Length of the END beacon</td><td class="align_center">64 bits</td></tr><tr><td class="align_left">Slot duration</td><td class="align_center">50 ms</td></tr><tr><td class="align_left">SIFS</td><td class="align_center">10 us</td></tr><tr><td class="align_left">DIFS</td><td class="align_center">50 us</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Symbols summary in simulation.</div>

Wireless Communications and Mobile Computing

tab2

Table 2

Table 2: Priority-Based Hybrid MAC Protocol for VANET with UAV-Enabled Roadside Units 