Distributed algorithms for multiple path backbone discovery in thick linear sensor networks

Imad Jawhar, Sheng Zhang, Jie Wu, Nader Mohamed, Mohammad M. Masud

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Continued advancements in microprocessors, electronics, and communication technology have led to the design and development of sensing devices with increased functionalities, smaller sizes, larger processing, storage, and communication capabilities, and decreased cost. A large number of these sensor nodes are used in many environmental, infrastructure, commercial, and military monitoring applications. Due to the linearity of a good number of the monitored structures such as oil, gas, and water pipelines, borders, rivers, and roads, the wireless sensor networks (WSNs) that are used to monitor them have a linear topology. This type of WSN is called a linear sensor network (LSN). In this paper, two distributed algorithms for topology discovery in thick LSNs are presented: The linear backbone discovery algorithm (LBD) and the linear backbone discovery algorithm with x backbone paths (LBDx). Both of them try to construct a linear backbone for efficient routing in LSNs. However, the LBD algorithm has the objective of minimizing the number of messages used during the backbone discovery process. On the other hand, the LBDx algorithm focuses on reducing the number of hops of the data messages transmitted from the nodes to the sink. LBD and LBDx exhibit good properties and efficient performance, which are confirmed by extensive simulations.

Original languageEnglish
Article number49
JournalJournal of Sensor and Actuator Networks
Issue number3
Publication statusPublished - Sept 2021


  • Linear sensor networks (LSNs)
  • Routing
  • Topology discovery
  • Wireless sensor networks (WSNs)

ASJC Scopus subject areas

  • Instrumentation
  • Computer Networks and Communications
  • Control and Optimization


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