Sciweavers

NETWORKING
2011
13 years 3 months ago
The Problem of Sensing Unused Cellular Spectrum
Abstract. Sensing mechanisms that estimate the occupancy of wireless spectrum are crucial to the success of approaches based on Dynamic Spectrum Access. In this paper, we present k...
Daniel Willkomm, Sridhar Machiraju, Jean Bolot, Ad...
TON
2010
113views more  TON 2010»
13 years 7 months ago
Transmit Power Estimation Using Spatially Diverse Measurements Under Wireless Fading
Abstract--Received power measurements at spatially distributed monitors can be usefully exploited to deduce various characteristics of active wireless transmitters. In this paper, ...
Murtaza Zafer, Bongjun Ko, Ivan Wang Hei Ho
IPSN
2010
Springer
14 years 7 months ago
Diagnostic powertracing for sensor node failure analysis
Troubleshooting unresponsive sensor nodes is a significant challenge in remote sensor network deployments. This paper introduces the tele-diagnostic powertracer, an in-situ troub...
Mohammad Maifi Hasan Khan, Hieu Khac Le, Michael L...
MOBIHOC
2008
ACM
15 years 1 days ago
Cooperative transmit-power estimation under wireless fading
We study blind estimation of transmission power of a node based on received power measurements obtained under wireless fading. Specifically, the setup consists of a set of monitor...
Murtaza Zafer, Bongjun Ko, Ivan Wang Hei Ho