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Why noise floor

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  • #70186


    Can anyone answer why we push user signal in WCDMA under the noise floor?


    Wallis Dudhnath

    Noise is a part of the Telecommunication landscape.

    The noise floor can be defined as the measure of the signal created from the sum of all the noise sources and unwanted signals within a system. WCDMA uses spread spectrum (DSSS or FHSS) techniques to distribute signals to the available bandwidth.

    The concept of noise floor is valuable in many RF systems and enables the radio receiver design and performance to be matched to the requirements of the overall system.

    With WCDMA, signals are seen as white noise.

    VBR/ Wallis Dudhnath


    DSSS – Direct Sequence Spread Spectrum

    FHSS – Frequency Hopping Spread Spectrum

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