Hallway Monitoring: Distributed Data Processing with Wireless Sensor Networks
Tobias Baumgartner, Sandor P. Fekete, Tom Kamphans, Alexander, Kroeller, Max Pagel

TL;DR
This paper introduces a versatile, low-cost wireless sensor network testbed for hallway monitoring, enabling in-network data processing and interaction with passers-by, suitable for developing distributed algorithms like target tracking.
Contribution
The paper presents a heterogeneous, low-cost sensor network testbed with integrated actuators and diverse sensors, facilitating in-network processing and interaction in hallway environments.
Findings
Successfully deployed a 120 load and 29 PIR sensor network
Enabled real-time interaction with passers-by using actuators
Provided a platform for developing distributed target-tracking algorithms
Abstract
We present a sensor network testbed that monitors a hallway. It consists of 120 load sensors and 29 passive infrared sensors (PIRs), connected to 30 wireless sensor nodes. There are also 29 LEDs and speakers installed, operating as actuators, and enabling a direct interaction between the testbed and passers-by. Beyond that, the network is heterogeneous, consisting of three different circuit boards---each with its specific responsibility. The design of the load sensors is of extremely low cost compared to industrial solutions and easily transferred to other settings. The network is used for in-network data processing algorithms, offering possibilities to develop, for instance, distributed target-tracking algorithms. Special features of our installation are highly correlated sensor data and the availability of miscellaneous sensor types.
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Taxonomy
TopicsEnergy Efficient Wireless Sensor Networks · Network Time Synchronization Technologies · Sensor Technology and Measurement Systems
