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TWC
2010
13 years 2 months ago
Multiple antenna spectrum sensing in cognitive radios
In this paper, we consider the problem of spectrum sensing by using multiple antenna in cognitive radios when the noise and the primary user signal are assumed as independent compl...
Abbas Taherpour, Masoumeh Nasiri-Kenari, Saeed Gaz...
CORR
2011
Springer
245views Education» more  CORR 2011»
13 years 2 months ago
Joint Distributed Access Point Selection and Power Allocation in Cognitive Radio Networks
Spectrum management has been identified as a crucial step towards enabling the technology of the cognitive radio network (CRN). Most of the current works dealing with spectrum ma...
Mingyi Hong, Alfredo Garcia, Jorge Alviar
CORR
2010
Springer
186views Education» more  CORR 2010»
13 years 7 months ago
Cooperative Sequential Spectrum Sensing Algorithms for OFDM
This paper considers the problem of spectrum sensing in cognitive radio networks when the primary user is using Orthogonal Frequency Division Multiplexing (OFDM). For this we devel...
ArunKumar Jayaprakasam, Vinod Sharma, Chandra R. M...
ICASSP
2009
IEEE
14 years 2 months ago
A frequency hopping spread spectrum transmission scheme for uncoordinated cognitive radios
One of the major challenges to cognitive radios is the synchronization of distributed radios onto the same spectrum white spaces which vary in time and space. In this paper, we pr...
Xiaohua Li, Juite Hwu
GLOBECOM
2009
IEEE
13 years 5 months ago
CatchIt: Detect Malicious Nodes in Collaborative Spectrum Sensing
Collaborative spectrum sensing in cognitive radio networks has been proposed as an efficient way to improve the performance of primary users detection. In collaborative spectrum se...
Wenkai Wang, Husheng Li, Yan Sun, Zhu Han