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Performance Evaluation of 802.11 Broadcasts for A Single Cell Network With Unsaturated Nodes

  • Ashwin Rao
  • Arzad Kherani
  • Anirban Mahanti
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4982)

Abstract

Broadcast communication plays a critical role in ad hoc networks especially vehicular communication where a large number of applications are being envisioned to use the broadcast services of IEEE 802.11p. These safety applications exchange messages at very low rates compared to voice and streaming applications but have very stringent latency requirements. The broadcast packets undergoing collision are not retransmitted as the source cannot detect collisions, hence, obtaining the collision probability is critical for the success of applications relying on broadcast communication. In this paper, we initially assume our nodes to be bufferless and model them using a two-state Markov Chain to obtain the collision probability. We then extend our model for finite buffers to study the system under higher data traffic loads.

Keywords

Model 802.11 MAC 

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Copyright information

© IFIP International Federation for Information Processing 2008

Authors and Affiliations

  • Ashwin Rao
    • 1
  • Arzad Kherani
    • 2
  • Anirban Mahanti
    • 1
  1. 1.Amar Nath and Shashi Khosla School of Information TechnologyIndian Institute of Technology DelhiNew DelhiIndia
  2. 2.General Motors - India Science LabInternational Technology ParkBangaloreIndia

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