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CCR
2011
14 years 4 months ago
Papyrus: a software platform for distributed dynamic spectrum sharing using SDRs
Proliferation and innovation of wireless technologies require significant amounts of radio spectrum. Recent policy reforms by the FCC are paving the way by freeing up spectrum fo...
Lei Yang, Zengbin Zhang, Wei Hou, Ben Y. Zhao, Hai...
IEEECIT
2010
IEEE
14 years 8 months ago
A Learning Spectrum Hole Prediction Model for Cognitive Radio Systems
—In this paper, we present a new spectrum-hole prediction model for cognitive radio (CR) systems based on the IEEE 802.11 wireless local areas networks. We have also analyzed the...
Zhigang Wen, Chunxiao Fan, Xiaoying Zhang, Yuexin ...
JSAC
2011
185views more  JSAC 2011»
14 years 4 months ago
Joint Dynamic Resource Allocation and Waveform Adaptation for Cognitive Networks
This paper investigates the issue of dynamic resource allocation (DRA) in the context of multiuser cognitive radio networks. We present a general framework adopting generalized si...
Zhi Tian, Geert Leus, Vincenzo Lottici
ICASSP
2011
IEEE
14 years 1 months ago
Cooperative sensing with sequential ordered transmissions to secondary fusion center
Successful spectrum sharing in a cognitive radio network depends on the correct and quick detection of primary activity. Cooperative spectrum sensing is therefore suggested to enh...
Laila Hesham, Ahmed Sultan, Mohammed Nafie, Fadel ...
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JCIT
2010
118views more  JCIT 2010»
14 years 4 months ago
Signal Spectrum Sensing Robust to Noise Uncertainty
Lack of robustness against noise uncertainty is a bottleneck of current spectrum sensing strategies to detect the primary signals. Due to noise uncertainty, the performance of tra...
Zhongbao Chen, Fuliang Bao, Zhigang Fang