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CORR
2006
Springer
107views Education» more  CORR 2006»
13 years 11 months ago
Dense Gaussian Sensor Networks: Minimum Achievable Distortion and the Order Optimality of Separation
We investigate the optimal performance of dense sensor networks by studying the joint source-channel coding problem. The overall goal of the sensor network is to take measurements...
Nan Liu, Sennur Ulukus
CORR
2010
Springer
135views Education» more  CORR 2010»
13 years 11 months ago
A stochastic analysis of greedy routing in a spatially-dependent sensor network
For a sensor network, as tractable spatially-dependent node deployment model is presented with the property that the density is inversely proportional to the sink distance. A stoc...
H. Paul Keeler
CORR
2010
Springer
163views Education» more  CORR 2010»
13 years 11 months ago
Distributed Principal Component Analysis for Wireless Sensor Networks
Abstract: The Principal Component Analysis (PCA) is a data dimensionality reduction technique well-suited for processing data from sensor networks. It can be applied to tasks like ...
Yann-Aël Le Borgne, Sylvain Raybaud, Gianluca...
CN
2008
116views more  CN 2008»
13 years 11 months ago
A multiple power-level approach for wireless sensor network positioning
Wireless sensor networks enhance our ability to monitor the physical world. Many recent researches on wireless sensor networks have focused on aspects such as routing, node cooper...
Jen-Yu Fang, Hung-Chi Chu, Rong-Hong Jan, Wuu Yang
CONCURRENCY
2010
104views more  CONCURRENCY 2010»
13 years 11 months ago
Performance analysis of an experimental wireless relay sensor network
Communication through relay channels in wireless sensor networks can create diversity and consequently improve robustness of data transmission for ubiquitous computing and network...
Gu-Chun Zhang, Xiao-Hong Peng, Xuan-Ye Gu
AHSWN
2010
177views more  AHSWN 2010»
13 years 11 months ago
Dynamic Point Coverage Problem in Wireless Sensor Networks: A Cellular Learning Automata Approach
One way to prolong the lifetime of a wireless sensor network is to schedule the active times of sensor nodes, so that a node is active only when it is really needed. In the dynami...
Mehdi Esnaashari, Mohammad Reza Meybodi
ADHOC
2007
95views more  ADHOC 2007»
13 years 11 months ago
Sink-to-sensors congestion control
— The problem of congestion in sensor networks is significantly different from conventional ad-hoc networks and has not been studied to any great extent thus far. In this paper,...
Ramanuja Vedantham, Raghupathy Sivakumar, Seung-Jo...
ADHOC
2007
100views more  ADHOC 2007»
13 years 11 months ago
A GPS-less, outdoor, self-positioning method for wireless sensor networks
One challenging issue in sensor networks is to determine where a given sensor node is physically located. This problem is especially crucial for very small sensor nodes. This pape...
Hung-Chi Chu, Rong-Hong Jan
ADHOC
2008
111views more  ADHOC 2008»
13 years 11 months ago
MERLIN: Cross-layer integration of MAC and routing for low duty-cycle sensor networks
Sensor network MAC protocols typically sacrifice packet latency to achieve energy efficiency. Such delays may well increase due to routing protocol operation. For this reason it i...
Antonio G. Ruzzelli, Gregory M. P. O'Hare, Raja Ju...
CISIS
2008
IEEE
13 years 11 months ago
A Study of Maximum Lifetime Routing in Sparse Sensor Networks
A major issue in wireless sensor networks is to prolong network lifetime by efficient energy management. In this paper we present an initial study of maximum lifetime routing in s...
Ewa Hansen, Mikael Nolin, Mats Björkman