On Forwarding Protocols in Linear Topology Wake-up Wireless Sensor Networks

  • Jian WangEmail author
  • Xiaolin Xu
  • Xiaoming Hu
  • Wei Wayne Li
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11280)


Wake-up radio (WuR) is a kind of ultra-low power transceiver that consumes energy at 1000 times lower in magnitude when compared to the main radio in traditional wireless sensors. When incorporated, traditional wireless sensor networks are possible to improve energy efficiency and packet delay simultaneously by mitigating idle listening and overhearing issues. In recent years, many works have designed and evaluated the performance of MAC protocols in WuR-enabled yet single-hop (i.e. star-shaped) wireless sensor networks. This paper moves to a multi-hop network and focuses on linear topology WuR-enabled WSNs. It makes practical sense as large-scale WSN topologies could be decomposed into multiple linear topologies. Based on WuR inherent characteristics and also signal interferences among adjacent sensors, we introduce some interesting design ideas and describe our proposed MAC protocol in detail. Analytical results on expected radio-on time of intermediate sensors when waken up are derived. Also numerical results based on normalized per-hop energy and delay ratios show the effectiveness of our protocol. It may serve as an interesting basis for potential researches into more realistically large-scale WuR-enabled WSNs.


Wireless sensor network Wake-up radio Linear topology MAC protocol Energy efficiency 


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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Jian Wang
    • 1
    Email author
  • Xiaolin Xu
    • 1
  • Xiaoming Hu
    • 1
  • Wei Wayne Li
    • 2
  1. 1.Shanghai Polytechnic UniversityShanghaiChina
  2. 2.Texas Southern UniversityHoustonUSA

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