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Spectrum sensing is one of the most important functions in cognitive radio systems. In this paper, we focus on reducing the sensing time in a cooperative spectrum sensing paradigm. In the proposed scheme, a sequential detection technique is employed to provide a robust and quick detection system. Each of the secondary users measures the log-likelihood(More)
Science education models for secondary students have been dominated by classroom-based approaches. Recently, the student scientist apprenticeship model wherein learners worked with teachers on authentic scientific research has become increasingly popular. The purpose of this paper was to review and synthesize empirical studies that have explored learning(More)
  • Yun Kong
  • 2011 IEEE 3rd International Conference on…
  • 2011
The article reviews culture in the U.S.A public school curriculum. We mainly discuss the role of religion in elementary education. We draw out some implications: given our frameworks, given the major issues, given the different points of view, when and how should the curriculum or particular courses incorporate the study of religion.
  • Yun Kong
  • 2010 International Conference on Educational and…
  • 2010
This article examines the relationship between student and teacher development and, drawing on evidence from research, it will demonstrate how student strategies have enabled teachers to gain a deeper understanding of the teaching and learning processes and have helped them to change the way they think about students and their learning.
  • Yun Kong
  • 2011 IEEE 3rd International Conference on…
  • 2011
The article is organized in four sections. The first describes the range of reforms and initiatives; the second summarizes the nature of the critique; the third presents new data profiling the orientations of one new segment of the teacher workforce; and a final section evaluates the implications.
Just as computer technology has improved effectiveness in numerous sectors of society, advanced computing and telecommunications have the potential to help students master complex 21st century skills. An Integrated curriculum is developing technologies that enable students use advanced tools to solve real world problems. The integrated curriculum approach(More)
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