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    Carrier recovery in software defined radio (SDR)

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    201011029.pdf (1.878Mb)
    Date
    2012
    Author
    Topiya, Vishal N.
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    Abstract
    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 oscillator and hence it required to synchronize these two carrier frequency oscillator. This task is performed by the circuit called carrier recovery at receiver end. In this document, different sub modules required to implement carrier recovery structure at receiver end is discussed in detail and each sub module is tested separately using Xilinx® ISE tool. Then these sub modules are used as black boxes, to realize complete carrier recovery structure in Matlab Simulink® tool. By using Matlab Simulink® tool one would get better idea of signal processing at each stage of the carrier recovery structure. Then this complete carrier recovery model of Simulink® is translated to Modelsim® model and verified for functionality. Here this carrier recovery model is used for Software Defined Radio (SDR) application so the complete model of SDR is realized in Matlab Simulink® environment and recovered carrier is used for demodulation part of the SDR
    URI
    http://drsr.daiict.ac.in/handle/123456789/398
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