BER Evaluation of LDPC Codes with GMSK in Nakagami Fading Channel

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Provided by: Creative Commons
Topic: Mobility
Format: PDF
LDPC codes (Low Density Parity Check codes) have already proved its efficacy while showing its performance near to the Shannon limit. Channel coding schemes are spectrally inefficient as using an unfiltered binary data stream to modulate an RF carrier that will produce an RF spectrum of considerable bandwidth. Techniques have been developed to improve this bandwidth inefficiency or spectral efficiency, and ease detection. Gaussian-filtered Minimum Shift Keying (GMSK) uses a Gaussian filter of an appropriate bandwidth so as to make system spectrally efficient. A Nakagami model provides a better explanation to less and more severe conditions than the Rayleigh and Rician model and provide a better fit to the mobile communication channel data.
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