Diagnosis of sensor networks

Abstract

Absmcr-As sensor nodes are embedded into physical environments and becoming integral parts of our daily lives, sensor networks will become the important nerve systems that monitor and actuate our physical environments. We define the process of monitoring the status of a sensor network and figuring out the problematic sensor nodes .seiz.sor fzework diupmis. However, the high sensor node-to-manager ratio makes it extremely difficult to pay special attention to any individual node. In addition, the response implosion problem, which occurs when a high volume of incoming replies triggelvd by diagnosis queries cause the central diagnosing node to become a bottleneck, is one major obstacle to be overcome. In this paper, we describe approaches to addressing the response implosion problem in sensor network diagnosis. We will also present simulation experiments on the performance of these approaches, and discuss presentation schemes for diagnostic results.

Wireless sensor networks: a survey

“…Some environmental applications of sensor networks include tracking the movements of birds, small animals, and insects; monitoring environmental conditions that affect crops and livestock; irrigation; macroinstruments for large-scale Earth monitoring and planetary exploration; chemical/ biological detection; precision agriculture; biological, Earth, and environmental monitoring in marine, soil, and atmospheric contexts; forest fire detection; meteorological or geophysical research; flood detection; bio-complexity mapping of the environment; and pollution study [2,[6][7][8]10,11,14,31,35,39,40,42,61,81,88,89].…”

Derivation of the Factors Influencing the Network Performance of Serverless Smart Exit Sign Systems Based on Wireless Sensor Networks

“…Several researchers have investigated the influence of 1 to n connections [7,17,20,35]. When many motes transmit packets to a single mote, packet collision and channel interference occur.…”

“…The packet error rate is decreased when expanding connected motes. [7,17,19,20,25,29,35] 1 to n connection test…”

Monitoring Wireless Sensor Network Performance by Tracking Node Operational Deviation

“…The main problem with these techniques is the impact of deviation on network functionality and collected data accuracy before it is detected. Diagnosis techniques use passive or active monitoring to trace, visualize, simulate and debug historical network log files in real and non real time as discussed in (Jaikaeo, 2001). These techniques are used to detect faults at high or low network levels after testing their cause.…”