Queen-MAC: A quorum-based energy-efficient medium access control protocol for wireless sensor networks

  • Authors:

  • GholamHossein Ekbatanifard;Reza Monsefi;Mohammad H. Yaghmaee M.;Seyed Amin Hosseini S.

  • Affiliations:

  • Department of Computer Engineering, Ferdowsi University of Mashhad, Mashhad, Khorasan Razavi, Iran;Department of Computer Engineering, Ferdowsi University of Mashhad, Mashhad, Khorasan Razavi, Iran;Department of Computer Engineering, Ferdowsi University of Mashhad, Mashhad, Khorasan Razavi, Iran;Department of Computer Engineering, Ferdowsi University of Mashhad, Mashhad, Khorasan Razavi, Iran

  • Venue:
  • Computer Networks: The International Journal of Computer and Telecommunications Networking
  • Year:
  • 2012

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Abstract

Major problems in the Medium Access Control (MAC) of Wireless Sensor Networks (WSNs) are: sleep/wake-up scheduling and its overhead, idle listening, collision, and the energy used for retransmission of collided packets. This paper focuses on these problems and proposes an adaptive quorum-based MAC protocol, Queen-MAC. This protocol independently and adaptively schedules nodes wake-up times, decreases idle listening and collisions, increases network throughput, and extends network lifetime. Queen-MAC is highly suitable for data collection applications. A new quorum system, dygrid is proposed that can provide a low duty cycle, O(1/n), for adjusting wake-up times of sensor nodes. Theoretical analysis demonstrates the feasibility of dygrid and its superiority over two commonly used quorum systems (i.e., grid and e-torus). A lightweight channel assignment method is also proposed to reduce collision and make concurrent transmissions possible. Simulation results indicate that Queen-MAC prolongs the network lifetime while increasing the average delivery ratio and keeping the transmission latency low.