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OPODIS
2004
13 years 9 months ago
Sentries and Sleepers in Sensor Networks
A sensor is a battery-operated small computer with an antenna and a sensing board that can sense magnetism, sound, heat, etc. Sensors in a network can use their antennas to communi...
Mohamed G. Gouda, Young-ri Choi, Anish Arora
INFOCOM
2008
IEEE
14 years 2 months ago
Spatial Signatures for Lightweight Security in Wireless Sensor Networks
Abstract— This paper experimentally investigates the feasibility of crypto-free communications in resource-constrained wireless sensor networks. We exploit the spatial signature ...
Lifeng Sang, Anish Arora
CCS
2006
ACM
13 years 11 months ago
An efficient broadcast authentication scheme in wireless sensor networks
A broadcast authentication mechanism is important in wireless sensor networks, assuring receivers of a packet's validity. To provide authentication, some researchers utilize ...
Shang-Ming Chang, Shiuhpyng Shieh, Warren W. Lin, ...
INFOCOM
2010
IEEE
13 years 6 months ago
Critical Sensor Density for Partial Connectivity in Large Area Wireless Sensor Networks
—Assume sensor deployment follows the Poisson distribution. For a given partial connectivity requirement ρ, 0.5 < ρ < 1, we prove, for a hexagon model, that there exists ...
Haiyan Cai, Xiaohua Jia, Mo Sha
MOBIHOC
2005
ACM
14 years 7 months ago
Hybrid sensor networks: a small world
In this paper, we investigate the use of limited infrastructure, in the form of wires, for improving the energy efficiency of a wireless sensor network. We call such a sensor netw...
Gaurav Sharma, Ravi Mazumdar