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» Error estimation in wireless sensor networks
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GLOBECOM
2006
IEEE
14 years 2 months ago
Carrier Offset and Channel Estimation for Cooperative MIMO Sensor Networks
— A cooperative MIMO network is considered with Ns sensors and a collector node with Mc antennas. In a practical implementation of this network, the sensor carriers have relative...
Ronald A. Iltis, Shahnam Mirzaei, Ryan Kastner, Ri...
SENSYS
2005
ACM
14 years 1 months ago
Everlast: long-life, supercapacitor-operated wireless sensor node
This paper describes a supercapacitor-operated, solar-powered wireless sensor node called Everlast. Unlike traditional wireless sensors that store energy in batteries, Everlast’...
Farhan Simjee, Devyani Sharma, Pai H. Chou
MOBIHOC
2008
ACM
14 years 7 months ago
Improving sensor network immunity under worm attacks: a software diversity approach
Because of cost and resource constraints, sensor nodes do not have a complicated hardware architecture or operating system to protect program safety. Hence, the notorious buffer-o...
Yi Yang, Sencun Zhu, Guohong Cao
TWC
2008
155views more  TWC 2008»
13 years 7 months ago
Distributed sensor network localization using SOCP relaxation
The goal of the sensor network localization problem is to determine positions of all sensor nodes in a network given certain pairwise noisy distance measurements and some anchor no...
Seshan Srirangarajan, Ahmed H. Tewfik, Zhi-Quan Lu...
WS
2004
ACM
14 years 1 months ago
SeRLoc: secure range-independent localization for wireless sensor networks
In many applications of wireless sensor networks (WSN), sensors are deployed un-tethered in hostile environments. For locationaware WSN applications, it is essential to ensure tha...
Loukas Lazos, Radha Poovendran