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» Surface design with minimum energy networks
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IWCMC
2009
ACM
15 years 4 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...
INFORMATICALT
2011
170views more  INFORMATICALT 2011»
14 years 4 months ago
Community Detection Through Optimal Density Contrast of Adjacency Matrix
Detecting communities in real world networks is an important problem for data analysis in science and engineering. By clustering nodes intelligently, a recursive algorithm is desig...
Tianzhu Liang, Kwok Yip Szeto
STACS
2007
Springer
15 years 3 months ago
New Approximation Algorithms for Minimum Cycle Bases of Graphs
We consider the problem of computing an approximate minimum cycle basis of an undirected non-negative edge-weighted graph G with m edges and n vertices; the extension to directed ...
Telikepalli Kavitha, Kurt Mehlhorn, Dimitrios Mich...
COMCOM
2008
124views more  COMCOM 2008»
14 years 9 months ago
Quick convergecast in ZigBee beacon-enabled tree-based wireless sensor networks
Convergecast is a fundamental operation in wireless sensor networks. Existing convergecast solutions have focused on reducing latency and energy consumption. However, a good desig...
Meng-Shiuan Pan, Yu-Chee Tseng
WIOPT
2010
IEEE
14 years 8 months ago
Cooperative diversity routing in wireless networks
—In this paper, we explore physical layer cooperative communication in order to design network layer routing algorithms that are energy efficient. We assume each node in the net...
Mostafa Dehghan, Majid Ghaderi, Dennis Goeckel