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ICASSP
2011
IEEE
14 years 1 months ago
Joint bandwidth and power allocation in cognitive radio networks under fading channels
A problem of joint optimal bandwidth and power allocation in cognitive networks under fading channels is considered. It is assumed that multiple secondary users (SUs) share the sp...
Xiaowen Gong, Sergiy A. Vorobyov, Chintha Tellambu...
TSP
2010
14 years 4 months ago
An adaptive cooperation diversity scheme with best-relay selection in cognitive radio networks
In this paper, an adaptive cooperation diversity scheme with best-relay selection is proposed for multiple-relay cognitive radio networks to improve the performance of secondary tr...
YuLong Zou, Jia Zhu, Baoyu Zheng, Yu-Dong Yao
WCNC
2008
IEEE
15 years 4 months ago
Distributed Energy Efficient Spectrum Access in Wireless Cognitive Radio Sensor Networks
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...
Song Gao, Lijun Qian, Dhadesugoor R. Vaman
WIOPT
2010
IEEE
14 years 8 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...
IWCMC
2010
ACM
15 years 2 months ago
CRABSS: CalRAdio-Based advanced Spectrum Scanner for cognitive networks
The first step required by the process of cognition is the intelligent observation of the environment that surrounds the actors of such a process. We present the CalRAdio-Based a...
Riccardo Manfrin, Luca Boscato, Andrea Zanella, Mi...