2021
DOI: 10.1109/access.2021.3058160
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Joint Algorithm for Multi-Hop Localization and Time Synchronization in Underwater Sensors Networks Using Single Anchor

Abstract: In this study, an effort to synchronize and localize the underwater sensors simultaneously in a multi-hop environment is considered. Underwater Sensor Networks" (UWSNs) has limited range and connectivity due to propagation delay and limited bandwidth. By using a multi-hop environment, we can extend the range and enhancing the network connectivity for providing more accurate localization and synchronization technique. We have established a connection between sensors point to point directed links and then analyt… Show more

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Cited by 12 publications
(4 citation statements)
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References 53 publications
(67 reference statements)
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“…Communication Model: We also assume that a) the UWAN nodes can estimate the retransmission delay introduced by their modem; 1 b) at least Alice and Bob are time synchronized, e.g., as a result of running an underwater time synchronization scheme (e.g., [33], [34]), but a later discussion on how to relax this assumption follows; and c) an underlying link-level protocol ensures correct packet reception, e.g., via automatic repeat queries (ARQ), whose delay can be determined by each receiver. In particular, we consider underlying medium access control (MAC) and network protocols that combat packet loss through packet re-transmission and forwarding, respectively.…”
Section: System Modelmentioning
confidence: 99%
“…Communication Model: We also assume that a) the UWAN nodes can estimate the retransmission delay introduced by their modem; 1 b) at least Alice and Bob are time synchronized, e.g., as a result of running an underwater time synchronization scheme (e.g., [33], [34]), but a later discussion on how to relax this assumption follows; and c) an underlying link-level protocol ensures correct packet reception, e.g., via automatic repeat queries (ARQ), whose delay can be determined by each receiver. In particular, we consider underlying medium access control (MAC) and network protocols that combat packet loss through packet re-transmission and forwarding, respectively.…”
Section: System Modelmentioning
confidence: 99%
“…Rehan Shams et al 18 have introduced a joint algorithm for multi‐hop localization in addition to time synchronization in underwater sensor networks using a single anchor. The proposed research plot initially synchronizes and then controls obscure centers with perceived depth by engaging a single anchor center in multiple jump situations.…”
Section: Related Workmentioning
confidence: 99%
“…3 However, acoustic wave propagation in underwater environments has its own challenges. Recently, there exists many works on underwater sensor network issues, most of which suppose that the sound propagation speed has a constant and known value [4][5][6][7] or has a constant but unknown value [8][9][10] while sound propagation speed under water is not a constant value and it depends on the parameters such as depth, salinity, and temperature. In deeper waters the prominent parameter is depth and therefore the sound propagation speed has a profile in terms of the depth.…”
Section: Introductionmentioning
confidence: 99%