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Vasileios Kotsiou

Vasileios Kotsiou

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13
Publications
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187
Citations

Publications

Publications (13)
Thesis
The Industrial Internet of Things (IIoT) re-uses the Internet of Things mechanisms to enable smart factories. However, industrial applications often require deterministic communications as well as end-to-end reliability close to 100%. To address these requirements, the Time-Slotted Channel Hopping (TSCH) mode of the IEEE 802.15.4 standard was propo...
Article
Full-text available
The Industrial Internet of Things (IIoT) is expected to be a key enabler for the Industry 4.0. However, networked control automation often requires high reliability and a bounded latency to react properly. Thus, modern wireless protocols for industrial networks, such as IEEE 802.15.4-2015 Time Slotted Channel Hopping (TSCH), rely on a strict schedu...
Article
Full-text available
Industrial applications require more and more low-power operation and high-reliability (close to 100%). Since traditional low-power radio technologies are sensitive to external interference, many recent standards implement frequency hopping schemes. For instance, IEEE 802.15.4-2015 Time Slotted Channel Hopping (TSCH) relies on a deterministic sched...
Article
Full-text available
More and more industrial applications require high reliability while relying on low-power devices for their flexibility. Unfortunately, radio transmissions are prone to unreliability and are very sensitive to external interference. Therefore, a great amount of effort has been put into channel hopping approaches, which help to combat external interf...
Conference Paper
Full-text available
Industrial applications require more and more low-power operations, low-delay, deterministic communications as well as end-to-end reliability close to 100%. IEEE 802.15.4-TSCH (Time-Slotted Channel Hopping) relies on a channel hopping technique while scheduling properly the transmissions to provide a high end-to-end reliability. Because of external...
Conference Paper
Full-text available
Industrial applications require more and more low-power operations, low-delay, deterministic communications as well as end-to-end reliability close to 100%. However, traditional radio technologies are sensitive to external interference, which degrades the reliability and introduces unpredictable delays due to collision detection and retransmissions...
Conference Paper
Full-text available
Recent boom of mobile applications has become an essential class of mobile Internet of Things (IoT), whereby large amounts of sensed data are collected and shared by mobile sensing devices for observing phenomena such as traffic or the environmental. Currently, most of the proposed Medium Access Control (MAC) protocols mainly focus on static networ...
Article
Full-text available
While more and more deployments of Wireless Sensor Networks (WSNs) are successful, very few are actually mobility-aware. Due to their intermittent connectivity, mobile nodes induce certain instabilities, and thus, require to transmit multiple data packets in a short period of time. The nature of mobile nodes can lead to a link quality deterioration...
Conference Paper
In Wireless Sensor Networks (WSNs), during the design of Medium Access Control (MAC) protocols, mobile nodes may pose many communication challenges. These difficulties require first a link establishment between a mobile and static node, and then an efficient and effective data packet transmissions. In this study, we propose MobiXplore, a MAC scheme...
Article
Full-text available
In Wireless Sensor Networks (WSNs) the nodes can be either static or mobile depending on the requirements of each application. During the design of Medium Access Control (MAC) protocols, mobility may pose many communication challenges. These difficulties require first a link establishment between mobile and static nodes, and then an energy efficien...
Conference Paper
Full-text available
This work focuses on Medium Access Control (MAC) protocols for Wireless Sensor Networks (WSNs). We investigate preamble-sampling solutions that allow asynchronous operation. We introduce anycast transmission to ContikiMAC where a mobile node first emits an anycast data packet whose first acknowledging node will serve as responsible to forward it to...

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Projects

Projects (2)
Archived project
Recent boom of mobile applications has become an essential class of mobile Internet of Things (IoT), whereby large amounts of sensed data are collected and shared by mobile sensing devices for observing phenomena such as traffic or the environmental. This project focuses on algorithms that enable Mobile WSNs.
Project
Industrial applications require more and more low-power operations, low-delay, deterministic communications as well as end-to-end reliability close to 100%. However, traditional radio technologies are sensitive to external interference, which degrades the reliability and introduces unpredictable delays due to collision detection and retransmissions. The goal of this project is to come with blacklisting algorithms to improve the channel hopping procedure in IEEE 802.15.4 TSCH.