We present a new technique for synchronizing frames of length n using a sync sequence of the same length n with good cyclic auto correlation properties. This sequence is modulated and superimposed on the modulated data sequence. The energy of the modulated sync sequence is uniformly distributed and small compared to the energy of the data sequence. For AWGN channels we give a general upper bound on the correct frame synchronization probability as a function of the frame length and the signal to noise ratio. The new technique approaches this upper bound to less than 1 dB and outperforms standard methods For fading channels the performance is considerably better than for the standard methods. By increasing frame length n the correct frame synchronization probability becomes nearly the same as for AWGN channels.


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    Title :

    Frame Synchronisation using Superimposed Sequences


    Contributors:

    Conference:



    Publication date :

    1997


    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    German




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