Abstract
Distributed Fault-Tolerant Event Detection for Non-Symmetric Errors in Wireless Sensor Networks
Highlights
Wireless sensor network (WSN) consists of network of autonomous sensors which are powered by batteries to perform various sensing tasks in a given environment
The measurements made by the sensor are sometimes unreliable and erroneous due to noise in the sensor or hardware failure
The simulation results of the randomized decision scheme and the optimal threshold decision scheme are analysed in detail
Summary
WSN consists of network of autonomous sensors which are powered by batteries to perform various sensing tasks in a given environment. These networks are used in various applications like detection, estimation, monitoring, tracking etc [14],[19],[20]. Lot of effort has been made to develop the hardware and software architectures of sensor devices as per the requirements of the wireless sensing applications. The various challenges and design issues of WSN has been addressed in a number of works [14],[17],[18],[20]. In this work the problem of event detection is addressed. Event detection in the inaccessible environment is one important application. It is mandatory to employ a fault-tolerance mechanism which can help avoid and correct the failure of any node and which does not affect the overall performance and behavior of the system
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