The SEANet Project: Toward a Programmable Internet of Underwater Things

Demirors, Emrecan; Shi, Jiacheng; Duong, Anh Tuan; Dave, Neil; Guida, Raffaele; Herrera, Bernard; Pop, Flavius; Chen, Guofeng; Casella, Cristian; Tadayon, Sayedamirhossein; Rinaldi, Matteo; Basagni, Stefano; Stojanovic, Milica; Melodia, Tommaso

doi:10.1109/ucomms.2018.8493207

Cited by 28 publications

(11 citation statements)

References 23 publications

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“…This makes them unfit for adaptive solutions to underwater networking and inhibits research efforts like IoUT. Consequently, groups of researchers have argued for the need for a paradigm shift towards software-defined architecture [27], [38]- [40].…”

Section: B Software-defined Modemsmentioning

confidence: 99%

Underwater Ad-Hoc Networks: A Review

Wengle¹,

Potter²,

Dong³

2021

Preprint

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Underwater sensor networks have become increasingly interesting in the past four decades. They can be used in a multitude of scenarios, commercial and military alike. Underwater networks can communicate in several ways, but when nodes are far apart, underwater acoustic communication is the only feasible way. The complex underwater acoustic channel puts high demands on the network protocols. The physical layer needs to contend with short coherence times, high intersymbol interference and significant Doppler spread. The routing protocol needs to handle intermittent connectivity and mobile network topologies, such as autonomous underwater vehicle networks. The medium access control protocol needs to manage medium access with high latency and potentially high packet loss ratios without congesting the network. The available acoustic modems are still rather expensive, which limits the size of a sensor network. Voices have also been raised from the academia for a paradigm shift, from hardware-defined, proprietary modems to software-defined, open-architecture modems, in order to accelerate research in the field and enable interoperability. This paper reviews the recent advancements in designing and implementing underwater networks on several levels and discusses some interesting approaches to underwater ad-hoc networking. The focus lies on acoustic communication.<br>

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Section: B Software-defined Modemsmentioning

confidence: 99%

Underwater Ad-Hoc Networks: A Review

Wengle¹,

Potter²,

Dong³

2021

Preprint

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“…L. Wei et al [33] developed a UAN testbed based on SDN, which integrated Mininet with NS-3 through the TapBridge module for multi-mode communication. E. Demirors et al [34] developed an underwater IoT platform called SEANet based on SDN, which allowed the flexible definition, addition, updating, and exchanging of hardware and software items. B. Wang et al [35] suggested a UAN based on software-defined radio (SDR).…”

Section: ) the Progress Of The Experimental Platforms For Software-dmentioning

confidence: 99%

SM-UAN: A Software-Defined Underwater Acoustic Network of Multi-Controllers for Inland Waterway Systems

et al. 2020

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Underwater acoustic network (UAN) is a lightweight system used in inland waterway systems. Software-defined networking (SDN) is a promising approach to improve the supervision abilities and integration services. This paper introduces SM-UAN, an SDN-based UAN with multi-controllers. Firstly, a hierarchical framework of SM-UAN is offered. Secondly, a multi-flow table structure and a multi-flow processing method is built. Followed by, a distributed deployment model of controllers and a load balancing mechanism are established. Finally, we construct an experimental scenario on Mininet with WOSS-NS3. The simulation demonstrates that the compression ratio is promoted to 24.1%, the compression ratio 29.4%, the packet forwarding rate 14.7% and the processing delay 31.2%, when comparing SM-UAN with the item-by-item matching (IM) system. For the load balancing mechanism, it shows that the maximum load for a master controller is balanced to 0.55, while the minimum load for a slave controller 0.46, which proves that a fair load distribution achieves. In addition, SM-UAN is compared with the traditional single-sink-based UAN (TS-UAN), the traditional multi-sink-based UAN (TM-UAN), and the SDN-based UAN with a single controller (SS-UAN). The results reveal that the survival time of SM-UAN is extended to 32.7%, 24.9%, and 21.6%, respectively. Also, the bit error rate (BER) of that is less than 10-4. In conclusion, advantages of SM-UAN have been highlighted, which provides theoretical support for inland waterway systems.

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“…Wireless networked sensing has already conquered many application domains over the past two decades and is currently extending to the field of inshore and coastal underwater monitoring and control. Starting from stationary underwater sensor networks [17,32,39,45,54,55], a recent focus on co-operative, autonomous, mobile underwater robot swarms [20,30,36,47,60,61] has evolved in both academia and industry. Novel miniature mobile underwater robots with lengths well below 1 m and a unit cost between some hundred and a few thousand dollars have become available [30,34,48,59].…”

Section: Introductionmentioning

confidence: 99%

ahoi

Renner

Heitmann

Steinmetz

2020

ACM Trans. Sen. Netw.

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The recent development of small, cheap AUVs enables a plethora of underwater near-and inshore applications. Among these are monitoring of wind parks, detection of pollution sources, water-quality inspection, and the support of divers during disaster management. These tasks profit from online reporting, control, and AUV swarm interaction; yet they require underwater communication. Unfortunately, commercial devices are prohibitively expensive and typically closed-source, hampering their application in affordable products and research. Therefore, we developed the open-source 1 ahoi acoustic modem. It is (i) small enough to be carried by micro AUVs, (ii) consumes little enough energy to not diminish operation times of its host, (iii) comes at an attractive unit cost below $600, (iv) can reliably communicate at distances of 150 m and more, and (v) supports ranging without additional hardware. Due to its modular build, the modem can be customized and is suitable as research platform to analyze, e.g., MAC and routing protocols. We conducted extensive real-world studies and present results of communication range, packet reception rate, ranging accuracy, and efficient and reliable self-localization. Finally, we draw conclusions regarding acoustic communication, ranging, and localization with inexpensive and low-power devices that go beyond a particular device. Our study, hence, encompasses general insights, observations, and recommendations.

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The SEANet Project: Toward a Programmable Internet of Underwater Things

Cited by 28 publications

References 23 publications

Underwater Ad-Hoc Networks: A Review

Underwater Ad-Hoc Networks: A Review

SM-UAN: A Software-Defined Underwater Acoustic Network of Multi-Controllers for Inland Waterway Systems

ahoi

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