Mr.C.Susil Kumar

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One of the interesting features of cognitive radio (CR) systems is their ability to provide dynamic spectrum access even in the licensed spectral bands; wherein they should be strictly causing no interference to the licensed users or among themselves. Orthogonal frequency-division multiplexing (OFDM) is considered for CR user transmission because of its(More)
Localization of nodes in an infrastructure less network serves many purposes. Several issues relating to security, routing, etc it can be solved if only the actual location of nodes were known. Existing approaches estimate the location of a node in a network by using received signal strength indicator (RSSI), Time of Arrival, Time difference of Arrival and,(More)
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