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An FSMC model for the ACM scheme with repetition coding in mobile WiMAX

To protect vital control information from deep fades, repetition coding is recommended in mobile WiMAX. This paper considers repetition coding as a maximum ratio combining process and proposes an expression for the coding gain and its effect on BER. A 10-state finite state Markov channel (FSMC) model is also proposed for the implementation of the adaptive modulation and coding (AMC) scheme in mobile WiMAX to maximize its spectral efficiency in a Rayleigh fading environment. ©2009 IEEE.


 Nguyen D.-T., Vu X.-T., Tuan N.Q.
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  Từ khóa : Adaptive modulation and coding; Adaptive modulation and coding schemes; Coding gains; Control information; Finite state Markov channels; Maximum ratio combining; Mobile WiMAX; Repetition coding; Spectral efficiencies; Wireless communications; Communication; Communication channels (information theory); Delta modulation; Interoperability; Rayleigh fading; Spectrum analyzers; Wimax; Adaptive modulation