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» A cognitive model of spatial path-planning
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HT
1998
ACM
13 years 11 months ago
From Latent Semantics to Spatial Hypertext - An Integrated Approach
In this paper, we introduce an integrated approach to the development of spatial hypertext. This approach brings together several theories and techniques concerning semantic struc...
Chaomei Chen, Mary Czerwinski
GISCIENCE
2010
Springer
215views GIS» more  GISCIENCE 2010»
13 years 7 months ago
Microtheories for Spatial Data Infrastructures - Accounting for Diversity of Local Conceptualizations at a Global Level
The categorization of our environment into feature types is an essential prerequisite for cartography, geographic information retrieval, routing applications, spatial decision supp...
Stephanie Duce, Krzysztof Janowicz
ICASSP
2011
IEEE
12 years 11 months ago
Multiantenna detection under noise uncertainty and primary user's spatial structure
Spectrum sensing is a challenging key component of the Cognitive Radio paradigm, since primary signals must be detected in the face of noise uncertainty and at signal-to-noise rat...
David Ramírez, Gonzalo Vazquez-Vilar, Rober...
WIOPT
2010
IEEE
13 years 5 months ago
Competitive interference-aware spectrum access in cognitive radio networks
—Cognitive radio networks provide the capability to share the wireless channel with licensed (primary) users in an opportunistic manner. Primary users have a license to operate i...
Jocelyne Elias, Fabio Martignon, Antonio Capone, E...
VTC
2010
IEEE
167views Communications» more  VTC 2010»
13 years 5 months ago
The Impact of Fading on the Outage Probability in Cognitive Radio Networks
Abstract--This paper analyzes the outage probability in cognitive radio networks, based on the Poisson point process model of node spatial distribution and the standard propagation...
Yaobin Wen, Sergey Loyka, Abbas Yongaçoglu