System architecture directions for networked sensors
ASPLOS IX Proceedings of the ninth international conference on Architectural support for programming languages and operating systems
Telos: enabling ultra-low power wireless research
IPSN '05 Proceedings of the 4th international symposium on Information processing in sensor networks
An analysis of unreliability and asymmetry in low-power wireless links
ACM Transactions on Sensor Networks (TOSN)
An empirical study of low-power wireless
ACM Transactions on Sensor Networks (TOSN)
Not all wireless sensor networks are created equal: A comparative study on tunnels
ACM Transactions on Sensor Networks (TOSN)
Surviving wi-fi interference in low power ZigBee networks
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
Towards Energy Efficient Adaptive Error Control in Indoor WSN: A Fuzzy Logic Based Approach
MASS '11 Proceedings of the 2011 IEEE Eighth International Conference on Mobile Ad-Hoc and Sensor Systems
SoNIC: classifying interference in 802.15.4 sensor networks
Proceedings of the 12th international conference on Information processing in sensor networks
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It is well known that wireless channels produce higher bit error rates than wired connections. However, little knowledge exists about how bit errors are distributed within messages. In this paper, we present results from our experiments in an 802.15.4 sensor node testbed investigating the distribution of errors within erroneous frames. We identify three effects that can only partially be explained by coding and channel conditions: (1) errors are not independently distributed, but to a certain extent bursty, (2) coding leads to some bits being more stable than others, and (3) some content is inherently more stable than other during transmission. We discuss hypotheses on the origins of these effects and give some preliminary ideas on how to leverage them.