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In this paper we are discussing about a FACTS device named as UPFC (unified power flow controller). Its special features are to control active and reactive power course in a transmission line and to adjust the voltage at the bus at which it is situated. This device gives great quality flow on power system stability; these features even more considerable and perceptive that the unified power flow controller...
PU Emulsion attack is one of the most important Threats of Spectrum sensing for wireless Cognitive Radio Network. On the basis of the Wireless Signal a PU is detected in a given band, all secondary Users should avoid accessing that band. However, when a Secondary user is detected other Secondary users may choose to share that same band. In a Primary user Attack, a malicious Secondary tries to gain...
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