Queuing modeling for delay analysis in mission oriented sensor networks under the protocol interference model

  • Authors:
  • Bowu Zhang;Wei Cheng;Limin Sun;Xiuzhen Cheng;Taieb Znati;Mznah A. Al-Rodhaan;Abdullah Al-Dhelaan

  • Affiliations:
  • Mercyhurst University, Erie, PA, USA;Virginia Commonwealth University, Richmond, VA, USA;Chinese Academy of Sciences, Beijing, China;The George Washington University, Washington, DC, USA;University of Pittsburgh, Pittsburgh, PA, USA;King Saud University, Riyadh, Saudi Arabia;King Saud University, Riyadh, Saudi Arabia

  • Venue:
  • Proceedings of the 2nd ACM annual international workshop on Mission-oriented wireless sensor networking
  • Year:
  • 2013

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Abstract

The success and increasing deployment of mission-oriented sensor networks has required sensors to collaboratively accomplish many complex real time tasks. In this paper, we focus on many-to-one mission-oriented sensor networks, where data are collected from multiple resources to one data sink. A critical component in realizing real-time services over such a network is the estimation of end-to-end delay. This problem has been widely investigated for wireless sensor networks under various assumptions such as Poisson packet arrivals or infinite queue length. In this work, we consider a more practical network setting in which the packets need to be forwarded to a data sink along multi-hop communications, the packet arrival rate and service rate are both generally distributed, and the queue length is finite. Our analytical expressions of the G/G/1/K queuing model under the popular protocol interference model when CSMA/CA is adopted for MAC control are carefully derived. An extensive simulation study is carried out and the results indicate that the proposed G/G/1/K queueing model outperforms M/M/1/K and G/G/1 under a high network load while it provides competitive results when the network is lightly loaded.