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» Cognitive radio techniques for wide area networks
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ECAL
2003
Springer
15 years 2 months ago
Phase Transitions in Self-Organising Sensor Networks
In this paper we consider a multi-cellular sensing and communication network, embedded in an ageless aerospace vehicle, that is expected to detect and react to impact location, int...
Mark Foreman, Mikhail Prokopenko, Peter Wang
GLOBECOM
2008
IEEE
15 years 4 months ago
Impact of Constraints on the Complexity of Dynamic Spectrum Assignment
— In this paper we study the complexity of spectrum assignment problems in cognitive radio networks (CRNs) in the presence of several constraints. Although optimal spectrum assig...
Chetan Nanjunda Mathur, Mohamed A. Haleem, Rajarat...
ICASSP
2011
IEEE
14 years 1 months ago
Complex random matrices and multiple-antenna spectrum sensing
In this paper, we study the eigenvalue-based spectrum sensing techniques for multiple-antenna cognitive radio networks. First, we study the extreme eigenvalue distributions of a c...
Tharmalingam Ratnarajah, Caijun Zhong, Ayse Kortun...
WICON
2008
14 years 11 months ago
Security vulnerabilities in IEEE 802.22
Cognitive Radio (CR) is seen as one of the enabling technologies for realizing a new spectrum access paradigm, viz. Opportunistic Spectrum Sharing (OSS). IEEE 802.22 is the world&...
Kaigui Bian, Jung Min Park
SENSYS
2003
ACM
15 years 2 months ago
Understanding packet delivery performance in dense wireless sensor networks
Wireless sensor networks promise fine-grain monitoring in a wide variety of environments. Many of these environments (e.g., indoor environments or habitats) can be harsh for wire...
Jerry Zhao, Ramesh Govindan