Analog-Digital Hybrid Modulation


This paper seeks to present ways to eliminate the inherent quantization noise component in digital communications, instead of conventionally making it minimal. It deals with a new concept of signaling called the Signal Code Modulation (SCM) Technique. The primary analog signal is represented by: a sample which is quantized and encoded digitally, and an analog component, which is a function of the quantization component of the digital sample. The advantages of such a system are two sided offering advantages of both analog and digital signaling. The presence of the analog residual allows for the system performance to improve when excess channel SNR is available. The digital component provides increased SNR and makes it possible for coding to be employed to achieve near error-free transmission.

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10 Comments

  • neethu
    June 22, 2011 at 12:54 am

    plz send me ppt,pdf of the topic “nanotechnology”
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  • Sayani Roy
    January 27, 2012 at 8:27 am

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  • shankar
    February 10, 2012 at 1:00 am

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  • greeshma
    February 10, 2012 at 8:14 am

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  • mayur patel
    July 2, 2012 at 10:48 pm

    pls send me ppt,pdf file of anlog digital hybrid modulation

  • Prabhakar kite
    December 23, 2012 at 9:27 am

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  • prabhakar
    December 24, 2012 at 10:36 am

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  • amoolya dodly
    January 3, 2013 at 4:41 pm

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  • ANJU
    January 9, 2013 at 12:38 pm

    pls send me full ppt abt A/D hybrid modulation

  • Janmejaya Samal
    January 9, 2013 at 4:07 pm

    pls send me ppt,pdf file of anlog digital hybrid modulation

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