The National Natural Science Foundation of China(No.60972026,61271207);the National Science and Technology Major Project(No.2010ZX03006-002-01);the Specialized Research Fund for the Doctoral Program of Higher Education(No.20090092110009);the Specialized Development Foundation for the Achievement Transformation of Jiangsu Province(No.BA2010023)
According to the fact that the secondary users' delay requirements for data transmission are not unitary in cognitive radio networks, the secondary users are divided into two classes, denoted by SU1 and SU2, respecti...
The National Science and Technology Major Project (No. 2010ZX03006-002-01);the National Natural Science Foundation of China(No. 60972026 );the Cultivation Fund of the Key Scientific and Technical Innovation Project, Ministry of Education of China (No. 708046)
Due to the fact that the conventional spectrum sensing algorithm is susceptible to noise, an adaptive double-threshold energy detection algorithm for a cognitive radio is proposed. Based on double-threshold energy det...
The National Natural Science Foundation of China ( No.60872004, 60972026);the Important National Science and Technology Specific Projects (No. 2010ZX03006-002-01);the Research Fund of the National Mobile Communications Research Laboratory of Southeast University (No.2010A08)
In order to improve network connectivity in clustered wireless sensor networks,a node cooperative algorithm based on virtual antenna arrays is proposed.All the nodes in the network are assumed to be clustered via Pois...
The National Natural Science Foundation of China (No.60972026);the Natural Science Foundation of Jiangsu Province (No.BK2008289);Specialized Research Fund for the Doctoral Program ofHigher Education (No.20090092110009)
A cooperative model of multiple primary and secondary users coexisting cognitive network is presented. In this model, the control center is aware of all the users' locations in order to allocate the nearest secondary...