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INFOCOM
2010
IEEE
8 years 10 months ago
Cooperative Boundary Detection for Spectrum Sensing Using Dedicated Wireless Sensor Networks
Abstract—Spectrum sensing is one of the key enabling technologies in Cognitive Radio Networks (CRNs). In CRNs, secondary users (SUs) are allowed to exploit the spectrum opportuni...
Yanyan Yang, Yunhuai Liu, Qian Zhang, Lionel M. Ni
IWCMC
2009
ACM
9 years 6 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...
MOBICOM
2009
ACM
9 years 6 months ago
Impact of mobility on spectrum sensing in cognitive radio networks
In cognitive radio networks (CRNs), spectrum sensing is key to opportunistic spectrum access while preventing any unacceptable interference to primary users’ communications. Alt...
Alexander W. Min, Kang G. Shin
ICASSP
2009
IEEE
9 years 6 months ago
Beacon-assisted spectrum access with cooperative cognitive transmitter and receiver
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...
Ali Tajer, Xiaodong Wang
COMCOM
2007
136views more  COMCOM 2007»
8 years 12 months ago
A Delaunay Triangulation based method for wireless sensor network deployment
To obtain a satisfied performance of wireless sensor network, an adaptable sensor deployment method for various applications is essential. In this paper, we propose a centralized ...
Chun-Hsien Wu, Kuo-Chuan Lee, Yeh-Ching Chung
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