UARTP: a unicast--based self--adaptive reliable transmission protocol for wireless and mobile ad-hoc networks

  • Authors:

  • Azzedine Boukerche;Dawei Ning;Regina B. Araujo

  • Affiliations:

  • University of Ottawa, Ottawa, Canada;University of Ottawa, Ottawa, Canada;São Carlos Federal University, São Carlos, Brazil

  • Venue:
  • PE-WASUN '05 Proceedings of the 2nd ACM international workshop on Performance evaluation of wireless ad hoc, sensor, and ubiquitous networks
  • Year:
  • 2005

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Abstract

Mobile ad hoc wireless networks are characterized by highly variable bandwidth and latency, as well as unpredictable topology changes. Under such unstable environment, it is a great challenge for network designers to devise mechanisms that provide not only good transmission performance but also can guarantee a reliable communication service. In this paper, a novel and effective Unicast-based self-Adaptive Reliable Transmission Protocol (UARTP), is proposed for mobile ad hoc wireless networks. UARTP uses a combination of Automatic Repeat reQuest (ARQ) and probabilistic Forward Error Correction (FEC) mech-anisms to provide low overhead, high delivery rate, and low retransmission. Simulation experiments were implemented in the NS-2 simulator. Our results were compared to TCP and UDP protocols and shows that UARTP outperformed these protocols on the delivery rate, packet loss rate and delay what makes it a good candidate as a transmission protocol for mobile ad hoc wireless networks.