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Accurate Sensor Traffic Estimation for Station Grouping in Highly Dense IEEE 802.11ah Networks
The restricted access window (RAW) feature of IEEE 802.11ah aims to significantly reduce channel contention in ultra-dense and large-scale sensor networks. It divides stations into groups and slots, allowing channel access only to one RAW slot at a ...
Tackling malfunctions caused by Radio Duty Cycling protocols that do not appear in simulation studies
When a commercial Wireless Sensor Network designed for environmental control and security in buildings was tested before being launched, disappointing differences between the behaviour in simulations and in the real world were observed. Fortunately, ...
MCGC: A Network Coding Approach for Reliable Large-scale Wireless Networks
The application of mobile Wireless Sensor Networks (WSNs) with a big amount of participants poses many challenges. For instance, high transmission loss rates which are caused i.a. by collisions might occur. Additionally, WSNs frequently operate under ...
Tales from the C130 Horror Room: A Wireless Sensor Network Story in a Data Center
An important aspect of the management and control of modern data centers is cooling and energy optimization. Airflow and temperature measurements are key components for modeling and predicting environmental changes and cooling demands. For this, a ...
Issues of using wireless sensor network to monitor urban air quality
Frequent monitoring of urban environment has now been regulated in most EU countries. Due to the design and cost of high-quality sensors, the current approach using these sensors may not provide data with an appropriate spatial and temporal resolution. ...
Understanding packet loss for sound monitoring in a smart stadium IoT testbed
- Suzanne Little,
- Dian Zhang,
- Camille Ballas,
- Noel E. O'Connor,
- David Prendergast,
- Keith Nolan,
- Brian Quinn,
- Niall Moran,
- Mike Myers,
- Clare Dillon,
- Tomás Meehan
The Smart Stadium for Smarter Living project provides an end-to-end testbed for IoT innovation through a collaboration between Croke Park Stadium in Dublin, Ireland and Dublin City University, Intel and Microsoft. This enables practical evaluations of ...
Relative Localisation Algorithm for Neighbour Classification in Ad Hoc Networks of Moving Robots
This paper proposes a solution for mitigating mobility induced challenges in wireless ad hoc networks of moving robots operating in challenging environments. We consider a case of a network of moving robots instructed to share large data volumes in an ...
On the Experiences with Testbeds and Applications in Precision Farming
While success stories are likely to be reported, failures are rarely published -- even if a lot can be learned from them. In this paper we present experiences and findings from our testbed and WSN deployments. Our PotatoNet has been deployed on an ...
Tales from the Wild: Lessons Learned from Creating a Living Lab
Wireless sensor networks in the past decade have become prevalent in areas such as environmental monitoring, hazard detection, and industrial IoT applications. Current research focuses on improving the energy efficiency, throughput, robustness, and ...




