Sciweavers

1078 search results - page 26 / 216
» Optimal multiple-coverage of sensor networks
Sort
View
JSS
2010
208views more  JSS 2010»
13 years 6 months ago
Performance analysis of opportunistic broadcast for delay-tolerant wireless sensor networks
This paper investigates a class of mobile wireless sensor networks that are unconnected most of the times; we refer to them as delay–tolerant wireless sensor networks (DTWSN). T...
Abbas Nayebi, Hamid Sarbazi-Azad, Gunnar Karlsson
ICC
2008
IEEE
117views Communications» more  ICC 2008»
14 years 1 months ago
Proactive Power Optimization of Sensor Networks
—We propose a reduced-complexity genetic algorithm for dynamic deployment of resource constrained multi-hop mobile sensor networks. The goal of this paper is to achieve optimal c...
Rahul Khanna, Huaping Liu, Hsiao-Hwa Chen
TMC
2008
146views more  TMC 2008»
13 years 7 months ago
General Network Lifetime and Cost Models for Evaluating Sensor Network Deployment Strategies
In multihop wireless sensor networks that are often characterized by many-to-one (convergecast) traffic patterns, problems related to energy imbalance among sensors often appear. S...
Zhao Cheng, Mark A. Perillo, Wendi B. Heinzelman
IWCMC
2009
ACM
14 years 2 months ago
Optimal cooperative spectrum sensing in cognitive sensor networks
This paper addresses the problem of optimal cooperative spectrum sensing in a cognitive-enabled sensor network where cognitive sensors can cooperate in the sensing of the spectrum...
Hai Ngoc Pham, Yan Zhang, Paal E. Engelstad, Tor S...
DMSN
2006
ACM
14 years 1 months ago
Impact of multi-query optimization in sensor networks
In this paper, we study the problem of processing multiple queries in a wireless sensor network. We focus on multiquery optimization at the base station level to minimize the numb...
Shili Xiang, Hock-Beng Lim, Kian-Lee Tan