8th International Conference on Body Area Networks

Research Article

Increasing the Life-time of 802.15.4-based Wireless Sensor Networks

  • @INPROCEEDINGS{10.4108/icst.bodynets.2013.253648,
        author={Seokwon Lee and Sungwoo Weon and Sooyong Choi and Jang-won Lee and Changsoon Park and Youngsoo Kim and Young-jun Hong and Daesik Hong},
        title={Increasing the Life-time of 802.15.4-based Wireless Sensor Networks},
        proceedings={8th International Conference on Body Area Networks},
        publisher={ICST},
        proceedings_a={BODYNETS},
        year={2013},
        month={10},
        keywords={dynamic spectrum access cognitive radio energy efficiency wireless sensor network},
        doi={10.4108/icst.bodynets.2013.253648}
    }
    
  • Seokwon Lee
    Sungwoo Weon
    Sooyong Choi
    Jang-won Lee
    Changsoon Park
    Youngsoo Kim
    Young-jun Hong
    Daesik Hong
    Year: 2013
    Increasing the Life-time of 802.15.4-based Wireless Sensor Networks
    BODYNETS
    ACM
    DOI: 10.4108/icst.bodynets.2013.253648
Seokwon Lee1, Sungwoo Weon1, Sooyong Choi1, Jang-won Lee1, Changsoon Park2, Youngsoo Kim2, Young-jun Hong2, Daesik Hong1,*
  • 1: Yonsei University
  • 2: Samsung Advanced Institute of Technology
*Contact email: daesikh@yonsei.ac.kr

Abstract

This paper investigates a dynamic spectrum access (DSA) scheme for low power wireless sensor networks (WSN) in an open spectrum where multiple systems coexist and interfere with each other. Low transmission power and a simple communication protocol are significant obstacles to the operation of low power WSN in the open spectrum. As a result, available spectrum is more scarce for a low power WSN than for the other coexisting systems. To address this, we are proposing a new DSA scheme with an energy efficient channel switching criterion that can improve the expected throughput by chasing the low interference channel. OPNET-based system level simulation results, designed under the framework of ZigBee and IEEE 802.15.4, demonstrates that the proposed DSA scheme shows improved energy efficiency and throughput compared to conventional ZigBee systems.