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Energy Efficient Proactive Routing Scheme for Enabling Reliable Communication in Underwater Internet of Things

Research output: Contribution to Journal/MagazineJournal articlepeer-review

  • Umar Draz
  • Amjad Ali
  • Muhammad Bilal
  • Tariq Ali
  • Muhammad Aksam Iftikhar
  • Alireza Jolfaei
  • Doug Young Suh
<mark>Journal publication date</mark>31/12/2021
<mark>Journal</mark>IEEE Transactions on Network Science and Engineering
Issue number4
Number of pages12
Pages (from-to)2934-2945
Publication StatusPublished
<mark>Original language</mark>English


The Underwater Internet of Things (UIoT) is a network of smart interconnected devices operating under various aqueous environments. In UIoT, due to aqueous feature of signal absorption, data signals are transmitted at low frequency. Similarly, significant interference and collisions degrade transmission quality, resulting in a low Packet Delivery Ratio (PDR) and a long End-to-End (E2E) delay. Moreover, a significant amount of energy is being wasted due to the void hole problem, which arises when the source node does not identify an instant forwarder node. Thus, a reliable communication with enhanced network lifetime is highly desired in UIoT. Therefore, this work proposes a proactive energy Efficient Layer-by-Layer Watchman-based Collision Free Routing (ELW-CFR) scheme to address the above mentioned issues. The proposed scheme provides the low E2E delay and high PDR while avoiding the void hole problem. Extensive simulations have been performed to show the performance superiority of the proposed scheme against the state-of-the-art schemes.