1st International ICST Workshop on Advances in Sensor Networks

Research Article

Towards Balancing Medium Access Energy Trade-offs in Wireless Sensor Networks

  • @INPROCEEDINGS{10.1109/MOBIQW.2006.361786,
        author={ Siddhartha K.  Goel and Tamer  ElBatt and Srivastava Mani },
        title={Towards Balancing Medium Access Energy Trade-offs in Wireless Sensor Networks},
        proceedings={1st International ICST Workshop on Advances in Sensor Networks},
        publisher={IEEE},
        proceedings_a={IWASN},
        year={2007},
        month={5},
        keywords={},
        doi={10.1109/MOBIQW.2006.361786}
    }
    
  • Siddhartha K. Goel
    Tamer ElBatt
    Srivastava Mani
    Year: 2007
    Towards Balancing Medium Access Energy Trade-offs in Wireless Sensor Networks
    IWASN
    IEEE
    DOI: 10.1109/MOBIQW.2006.361786
Siddhartha K. Goel1, Tamer ElBatt1, Srivastava Mani 1
  • 1: Lab. of Inf. & Syst. Sci., HRL Lab., Malibu, CA

Abstract

In this paper we explore the design of multi-modal MAC for wireless ad hoc and sensor networks that dynamically adapt its behavior in order to minimize the energy to delivery ratio under a wide variety of network loads. The prime motivation is to balance the inherent trade-off between the energy wasted in collisions and the energy expended by collision avoidance handshake mechanisms. Towards this objective, the study goes through two phases. First, we explore the space of MAC modes subject to the constraint that different access schemes can inter-operate. Accordingly, we limit our attention to modes within the non-slotted random access paradigm. Second, we analyze, with the aid of detailed network simulations, the energy performance trade-offs of four variations of the CSMA/CA access scheme. Finally, we shed some light on the problem of dynamically switching between different modes depending on the network loading conditions and application QoS requirements. Initial results reveal interesting observations related to the energy/delivery contribution of channel reservation and single-hop acknowledgment packets under a wide variety of temporal network loads