Browsing 10 Technology by Author "Vu Thang"

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Browsing 10 Technology by Author "Vu Thang"

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  • Antenna Selection in Rank-Deficient MIMO Systems 
    Vu Thang; Nguyen Dinh; Trinh Vu (IEEE, 2008)
    In a rank-deficient MIMt> system, the number of non-zero eigen-modes is smaller than min In such a system, it is desirable to be able to identify then eliminate the most 'inactive' antennas or equivalently to select the ...
  • An finite-state Markov channel model for ACM scheme in WiMAX 
    Vu Thang; Nguyen Dinh; Trinh Vu (IEEE, 2009)
    The paper derives a more accurate upper bound for BER for M-QAM than is currently used in the literature. This allows a more thorough analysis of the power adaptation to fading conditions for optimization of spectral ...
  • An FSMC Model for the ACM Scheme with Repetition Coding in Mobile WiMAX 
    Nguyen Dinh; Vu Thang; Nguyen Tuan (IEEE, 2009)
    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 ...