| Issue |
ITM Web Conf.
Volume 42, 2022
1st International Conference on Applied Computing & Smart Cities (ICACS21)
|
|
|---|---|---|
| Article Number | 01015 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.1051/itmconf/20224201015 | |
| Published online | 24 February 2022 | |
Simulation-based analysis of clock synchronization for underwater wireless sensor networks
Universidad Autónoma Metropolitana, WiNetSys Team, 09340 Iztapalapa, Mexico City, Mexico
* Corresponding author: migueldyaz@xanum.uam.mx
Clock synchronization in underwater wireless sensor networks (UWSN) is a key procedure for the operation of this type of networks. Besides, due to the characteristics of the underwater channel, UWSNs face challenging constraints that make them different from other ad hoc wireless networks such as limited bandwidth, high error rates, high propagation delay, just to mention a few. Most of the existing literature on clock synchronization for UWSNs has been done through mathematical models. Thus, in this paper, we present a simulation-based approach to Light-Sync, which is a protocol synchronizing sensor nodes placed on the sea to a beacon on the surface. We use NS-2 along with AquaSim to study a UWSN with Light-Sync and prove its operation by means of discrete-event simulation. Moreover, our results are consistent with those found in Light-Sync and match accurately the synchronization accuracy regardless the number of nodes in the UWSN. Thus, we provide a simulation-based validation approach that makes more robust the proposal in Light-Sync.
© The Authors, published by EDP Sciences, 2022
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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