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A Two-way Packet Transmission to Reduce Network Fragmentation for 802.11p WAVE

  • Journal of Knowledge Information Technology and Systems
  • Abbr : JKITS
  • 2014, 9(5), pp.563-570
  • Publisher : Korea Knowledge Information Technology Society
  • Research Area : Interdisciplinary Studies > Interdisciplinary Research
  • Published : October 31, 2014

Gea-Hee Kim 1,  HyunJu Kim 1,  Kim Chang Geun 1

1경남과학기술대학교

Accredited

ABSTRACT

VANET (Vehicular Ad-hoc Network) is largely influenced by the characteristic of the street and the mobility of the vehicles in an inner-city intersection as a network. In this model, an insufficient amount of vehicles can often leads to network connection failure. In addition, there will be increase in the number of nodes secondary to the switching in between different modes in order to find the next node, which can further delay the packet transfer process. In this study, we are proposing a new algorithm by improving the GBSR protocol to transfer a packet in a forward direction and sending the copy in a reverse direction concurrently. Because this method transfers the same packet to two different directions, there will be a decrease in the probability of network failure as even if the packet transferred to one direction fails to deliver, the other packet can still reach the destination via another direction. In addition, the network traffic will not worsen due to the fact one can choose to send a packet in a direction without being influenced by the amount of available vehicles as one copy of the packet will be directed to a shorter distance to the destination while another copy will be directed to a different route.

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