Browsing by Subject "Cognitive radio networks"

Now showing items 1-4 of 4

    • Carrier recovery in software defined radio (SDR) 

      Topiya, Vishal N. (Dhirubhai Ambani Institute of Information and Communication Technology, 2012)
      The work presented here, deals with the carrier synchronization in digital communication system. The transmitter and receiver are two separate circuits located at a distance end and rarely share same carrier frequency ...

    • Hardware implementation of multiband and multimode modem for software defined radio/ cognitive radio 

      Buddhbhatti, Dixit K. (Dhirubhai Ambani Institute of Information and Communication Technology, 2011)
      Present day programmable hardware and SDR (Software Defined Radio) have enabled radio processing to switch from analog to digital. The work presented here describes a method of designing a multiband & multimode modulator ...

    • Multiband cooperative spectrum sensing in cognitive radio networks 

      Pathak, Anusha (Dhirubhai Ambani Institute of Information and Communication Technology, 2013)
      Spectrum Sensing forms one of the most important functions of Cognitive Radio operation. Energy detection is a less complex spectrum sensing technique which does not need knowledge of Primary User (PU) signal. An Energy ...

    • Spectrum sensing in cognitive radio networks 

      Ahir, Sagar J. (Dhirubhai Ambani Institute of Information and Communication Technology, 2014)
      In this thesis, we consider the problem of secondary users’ selection for cooperative spectrum sensing in cognitive radio networks. We assume that the secondary users involved in sensing transmit their spectral energy ...