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- research-articleNovember 2010
Surviving wi-fi interference in low power ZigBee networks
SenSys '10: Proceedings of the 8th ACM Conference on Embedded Networked Sensor SystemsPages 309–322https://doi.org/10.1145/1869983.1870014Frequency overlap across wireless networks with different radio technologies can cause severe interference and reduce communication reliability. The circumstances are particularly unfavorable for ZigBee networks that share the 2.4 GHz ISM band with WiFi ...
- research-articleSeptember 2010
The κ factor: inferring protocol performance using inter-link reception correlation
- Kannan Srinivasan,
- Mayank Jain,
- Jung Il Choi,
- Tahir Azim,
- Edward S. Kim,
- Philip Levis,
- Bhaskar Krishnamachari
MobiCom '10: Proceedings of the sixteenth annual international conference on Mobile computing and networkingPages 317–328https://doi.org/10.1145/1859995.1860032This paper explores metrics that capture to what degree packet reception on different links is correlated. Specifically, it explores metrics that shed light on when and why opportunistic routing and network coding protocols perform well (or badly). It ...
- research-articleMarch 2010
An empirical study of low-power wireless
ACM Transactions on Sensor Networks (TOSN), Volume 6, Issue 2Article No.: 16, Pages 1–49https://doi.org/10.1145/1689239.1689246We present empirical measurements of the packet delivery performance of the latest sensor platforms: Micaz and Telos motes. In this article, we present observations that have implications to a set of common assumptions protocol designers make while ...
- research-articleNovember 2008
The β-factor: measuring wireless link burstiness
SenSys '08: Proceedings of the 6th ACM conference on Embedded network sensor systemsPages 29–42https://doi.org/10.1145/1460412.1460416Measuring 802.15.4 reception in three testbeds, we find that most intermediate links are bursty: they shift between poor and good delivery. We present a metric to measure this link burstiness and name it β. We find that link burstiness affects protocol ...
