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» Analysis and modeling of power grid transmission lines
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TPDS
2008
157views more  TPDS 2008»
13 years 7 months ago
Distributed Localization Using a Moving Beacon in Wireless Sensor Networks
The localization of sensor nodes is a fundamental problem in sensor networks and can be implemented using powerful and expensive beacons. Beacons, the fewer the better, can acquire...
Bin Xiao, Hekang Chen, Shuigeng Zhou
CSCW
2006
ACM
14 years 1 months ago
Response times in N-user replicated, centralized, and proximity-based hybrid collaboration architectures
We evaluate response times, in N-user collaborations, of the popular centralized (client-server) and replicated (peer-to-peer) architectures, and a hybrid architecture in which ea...
Sasa Junuzovic, Prasun Dewan
JDWM
2007
112views more  JDWM 2007»
13 years 7 months ago
Empowering the OLAP Technology to Support Complex Dimension Hierarchies
Comprehensive data analysis has become indispensable in a variety of domains. OLAP (On-Line Analytical Processing) systems tend to perform poorly or even fail when applied to comp...
Svetlana Mansmann, Marc H. Scholl
PEWASUN
2004
ACM
14 years 23 days ago
A performance evaluation framework for IEEE 802.11 ad-hoc networks
Interferences in an ad-hoc network can be defined as a set of constraints that specify which groups of nodes cannot transmit simultaneously, and they have significant implications...
Ping Chung Ng, Soung Chang Liew, Li Bin Jiang
JSAC
2008
157views more  JSAC 2008»
13 years 7 months ago
Spectrum Leasing to Cooperating Secondary Ad Hoc Networks
Abstract--The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource ...
Osvaldo Simeone, Igor Stanojev, Stefano Savazzi, Y...