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Feng Chen, "Simulation of Wireless Sensor Nodes Using S-MAC," Master's Thesis, Department of Computer Science, Friedrich–Alexander University of Erlangen–Nuremberg (FAU), September 2005. (Advisors: Armin Heindl and Falko Dressler)


S-MAC, a new MAC protocol designed for wireless sensor networks, has been proposed and developed lately. The primary design goal for S-MAC is to achieve energy efficiency and self-configuration on wireless sensor nodes. The main features of S-MAC include periodic sleep for reducing energy wasted on idle listening and overhear avoidance for further energy savings, message passing for transmitting long messages in order to decrease latency along with energy consumption, and adaptive listening for improving latency in multi-hop transmission. S-MAC has been implemented in both TinyOS on the Mote platform and in ns-2, the network simulator. Several papers have introduced the basic idea of S-MAC. However, there are still very few documents about its internal implementation. One task of this thesis is to reveal how S-MAC works internally by investigating its source code in ns-2. Meanwhile, some bugs in the S-MAC source code have been fixed. To evaluate the long-run performance of S-MAC and reveal the fundamental tradeoffs of energy, latency and throughput in S-MAC, we run a large number of steady-state simulations using various traffic sources with ns-2. In addition, several simulations have been run to reproduce the results from measurements on Mote hardware.

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Feng Chen

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    author = {Chen, Feng},
    title = {{Simulation of Wireless Sensor Nodes Using S-MAC}},
    advisor = {Heindl, Armin and Dressler, Falko},
    institution = {Department of Computer Science},
    location = {Erlangen, Germany},
    month = {9},
    school = {Friedrich--Alexander University of Erlangen--Nuremberg (FAU)},
    type = {Master's Thesis},
    year = {2005},

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