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WIOPT
2010
IEEE
13 years 7 months ago
Lifetime optimization for wireless sensor networks with correlated data gathering
—The nodes in wireless sensor networks often collect correlated measurements. Not taking into account this information redundancy is detrimental to the network lifetime, since co...
Nashat Abughalieh, Yann-Aël Le Borgne, Kris S...
MOBICOM
2009
ACM
14 years 3 months ago
Impact of mobility on spectrum sensing in cognitive radio networks
In cognitive radio networks (CRNs), spectrum sensing is key to opportunistic spectrum access while preventing any unacceptable interference to primary users’ communications. Alt...
Alexander W. Min, Kang G. Shin
GLOBECOM
2007
IEEE
14 years 3 months ago
A Steepest Descent Relocation Algorithm for Placement of Sinks in a Sensor Network
— In this paper we use an information flow model for placement of traffic sinks in a wireless sensor network. Our mathematical model translates a communication network composed...
Mehdi Kalantari, Mark A. Shayman
MOBIHOC
2007
ACM
14 years 8 months ago
Containing denial-of-service attacks in broadcast authentication in sensor networks
Broadcast authentication is an important application in sensor networks. Public Key Cryptography (PKC) is desirable for this application, but due to the resource constraints on se...
Ronghua Wang, Wenliang Du, Peng Ning
GLOBECOM
2007
IEEE
14 years 3 months ago
Transmission Schemes for Lifetime Maximization in Wireless Sensor Networks: Uncorrelated Source Observations
Abstract— We study transmission schemes for lifetime maximization in wireless sensor networks. Specifically we consider the network where all the sensors observe uncorrelated si...
Xiaolu Zhang, Meixia Tao, Chun Sum Ng