Search Results - "Almeida, Danilo B. T."

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  1. 1

    On the Adaptive Modulation for User-Centric Cell-Free Massive MIMO Systems by Almeida, Danilo B. T., Alencar, Marcelo S., Duarte, Rafael M., Silva, Hugerles S., Madeiro, Francisco, Lopes, Waslon T. A., Queiroz, Wamberto J. L.

    Published in IEEE access (01-01-2024)
    “…The cell-free (CF) systems are a key technology for future wireless networks, which exploit the scenario spatial macro-diversity to offer high channel capacity…”
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    Journal Article
  2. 2

    Cascaded Double Beaulieu-Xie Fading Channels by Silva, Hugerles S., Almeida, Danilo B. T., Queiroz, Wamberto J. L., Fonseca, Iguatemi E., Oliveira, Arnaldo S. R., Madeiro, Francisco

    Published in IEEE communications letters (01-10-2020)
    “…In this letter, a mathematical characterization for the cascaded double Beaulieu-Xie (BX) fading model is presented. Exact and new expressions are determined…”
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    Journal Article
  3. 3

    Beaulieu-Xie Phase-Envelope Joint and Bivariate Distributions by Silva, Hugerles S., Almeida, Danilo B. T., Queiroz, Wamberto J. L., Silva, Higo T. P., Oliveira, Arnaldo S. R., Madeiro, Francisco

    Published in IEEE communications letters (01-05-2021)
    “…A new, exact and closed-form expression is presented for the Beaulieu-Xie (BX) phase-envelope joint distribution. In addition, bivariate statistics are also…”
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    Journal Article
  4. 4

    Bit error probability of the M-QAM scheme subject to multilevel (double) gated additive white Gaussian noise and Nakagami-m fading by Silva, Hugerles S., Alencar, Marcelo S., Queiroz, Wamberto J. L., Almeida, Danilo B. T., Madeiro, Francisco

    Published in Wireless networks (01-10-2019)
    “…In this paper, noise models called multilevel gated additive white Gaussian noise (GAWGN) and multilevel double gated additive white Gaussian noise ( G 2 AWGN)…”
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    Journal Article
  5. 5

    SEP of the M-ary θ-QAM signals under η-μ fading and AWGN noise in a communication system using spatial diversity by Silva, Hugerles S., Almeida, Danilo B. T., Queiroz, Wamberto J. L., Madeiro, Francisco, Fonseca, Iguatemi E., de Alencar, Marcelo S.

    Published in Wireless networks (01-08-2020)
    “…In this paper, an upper bound on the symbol error probability (SEP) of the M -ary θ -quadrature amplitude modulation scheme, in a channel subject to additive…”
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    Journal Article
  6. 6

    Bit error probability of the M‐QAM scheme under η‐μ fading and impulsive noise in a communication system using spatial diversity by Silva, Hugerles S., Alencar, Marcelo S., Queiroz, Wamberto J. L., Almeida, Danilo B. T., Madeiro, Francisco

    “…Summary This paper presents a new and exact expression for the bit error probability (BEP) of the square M‐ary quadrature amplitude modulation (M‐QAM) scheme,…”
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    Journal Article
  7. 7

    New closed-form expressions for SNR estimates of Nakagami fading channels by the method of moments by Queiroz, Wamberto J. L., Almeida, Danilo B. T., Madeiro, Francisco, de M. Cardoso, José V., Pereira, Damião F. L., Alencar, Marcelo S.

    Published in Telecommunication systems (01-11-2018)
    “…Method of moments has been a parameter estimation technique appropriate to calculate signal-to-noise ratio (SNR) estimates in fading channel models in which an…”
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    Journal Article
  8. 8

    On the BEP Analysis of M-QAM in a Frequency Non-Selective Beaulieu-Xie Fading Channels by Silva, Hugerles S., Almeida, Danilo B. T., Queiroz, Wamberto J. L., Fonseca, Iguatemi E., Oliveira, Arnaldo S. R., Madeiro, Francisco

    “…In this paper, new and exact expressions are presented for the bit error probability (BEP) of M-ary quadrature amplitude modulation (M-QAM), considering a…”
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    Conference Proceeding
  9. 9

    SEP of the M-ary θ-QAM Signals Under Nakagami-q Fading and AWGN Noise by Silva, Hugerles S., Almeida, Danilo B. T., Queiroz, Wamberto J. L., Madeiro, Francisco, Fonseca, Iguatemi E., Alencar, Marcelo S.

    “…In this article, an upper bound is obtained, by means of the union bound (UB), for the symbol error probability (SEP) of the M-ary \theta-quadrature amplitude…”
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    Conference Proceeding
  10. 10

    LLS Estimation of the Channel Gain in a Scenario of Impulsive Noise and Generalized Fading by Silva, Hugerles S., Almeida, Danilo B. T., Queiroz, Wamberto J. L., Madeiro, Francisco, Fonseca, Iguatemi E., Alencar, Marcelo S.

    “…In this article, Linear Least Squares (LLS) is considered to estimate the instantaneous complex gain of a channel subject to impulsive noise, characterized by…”
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    Conference Proceeding
  11. 11

    On the BEP and Outage Probability Under Cascaded Double Correlated [Formula Omitted]-[Formula Omitted] Fading Channels by Wamberto J L de Queiroz, Silva, Hugerles S, Higo T P da Silva, Almeida, Danilo B T, Oliveira, Arnaldo S R, Madeiro, Francisco

    Published in IEEE transactions on vehicular technology (01-01-2022)
    “…In this article, a new expression for the joint moment generating function (MGF) of the signal-to-noise ratio (SNR) considering correlated [Formula…”
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    Journal Article
  12. 12

    Capacity analysis of shadowed Beaulieu-Xie fading channels by Silva, Hugerles S., Almeida, Danilo B.T., Queiroz, Wamberto J.L., Silva, Higo T.P., Fonseca, Iguatemi E., Oliveira, Arnaldo S.R., Madeiro, Francisco

    Published in Digital signal processing (15-04-2022)
    “…In this paper, we provide a capacity analysis for the shadowed Beaulieu-Xie (SBX) fading model, under different transmission policies. From this analysis, we…”
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    Journal Article
  13. 13
  14. 14

    Outage Probability of the Product of Two Beaulieu-Xie, \eta- \mu, \kappa- \mu, or \alpha- \mu Random Variables by S. Silva, Hugerles, T. Almeida, Danilo B., L. Queiroz, Wamberto J., E. Fonseca, Iguatemi, R. Oliveira, Arnaldo S., Madeiro, Francisco

    “…In this letter, new and simple expressions are presented for the outage probability (OP) of the product of two Beaulieu-Xie, <inline-formula><tex-math…”
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    Journal Article
  15. 15

    On the BEP and Outage Probability Under Cascaded Double Correlated \eta- \mu Fading Channels by Queiroz, Wamberto J. L. de, Silva, Hugerles S., Silva, Higo T. P. da, Almeida, Danilo B. T., Oliveira, Arnaldo S. R., Madeiro, Francisco

    Published in IEEE transactions on vehicular technology (01-02-2022)
    “…In this article, a new expression for the joint moment generating function (MGF) of the signal-to-noise ratio (SNR) considering correlated…”
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    Journal Article
  16. 16

    On the BEP analysis of M-QAM and R-QAM under cascaded double η-μ, κ-μ or α-μ fading channels by Queiroz, Wamberto J.L., Silva, Hugerles S., Almeida, Danilo B.T., Oliveira, Arnaldo S.R., Madeiro, Francisco

    Published in Digital signal processing (01-12-2020)
    “…This article presents new expressions for the bit error probability (BEP) of the M-ary quadrature amplitude modulation (M-QAM) and rectangular QAM (R-QAM)…”
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    Journal Article
  17. 17

    Bit error probability of M-QAM under η-μ or κ-μ fading and impulsive noise gated by a signal characterized by a Markov process or Poisson process by Silva, Hugerles S., Alencar, Marcelo S., Queiroz, Wamberto J.L., Almeida, Danilo B.T., Madeiro, Francisco

    Published in Digital signal processing (01-05-2020)
    “…This article presents exact expressions for the bit error probability (BEP) of the M-ary quadrature amplitude modulation (M-QAM) scheme subject to η-μ or κ-μ…”
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    Journal Article
  18. 18

    Bit error probability of the M‐QAM scheme subject to multilevel double gated additive white Gaussian noise and η‐μ, κ‐μ, or α‐μ fading by Silva, Hugerles S., Queiroz, Wamberto J. L., Almeida, Danilo B. T., Madeiro, Francisco, Alencar, Marcelo S.

    “…This paper presents new and exact expressions for the bit error probability (BEP) of the square M‐ary quadrature amplitude modulation scheme subject to η‐μ,…”
    Get full text
    Journal Article