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This paper is an attempt to under impact of users mobility and primary app spectrum handoff rate and connection rel Cognitive Radio (CR) Ad hoc Network. Spect new type of handoff caused by the appearanc user of the spectrum or simply by the moveme user to an area where its currently used ban exploit the spectrum sensing capability in e propose three random techniques to acces while avoiding/minimizing the hidden ter Extensive simulation experiments have bee evaluate the system performance, in particul session continuity distribution, and m Furthermore, a simple queuing model is su simulation results are compared with analytic show a good matching.

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