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Design of Low Power Node on Wireless Sensor Network Based on Contiki OS

  

  1. School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044
  • Received:2014-11-25 Online:2015-03-23 Published:2015-03-26

Abstract:  Power efficiency should be the primary concern when designing wireless sensor network because nodes are energy constrained. Through low power hardware selection, a WSN node was proposed based on ultra-low power MCU MSP430F5438A and IEEE 802.15.4 transceiver AT86RF231. The use of Contiki OS eliminated foreground/background software design pattern or finite state machine, and developers could use modularized and thread-like code style in software designing. Test platform was built to perform multi-point information gathering experiment and static power measurement. These tests show practical use and low-power feature of the node.

Key words: wireless sensor network, low power, hardware design, Contiki OS

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