Search Results - "Costa, D.B. da"

Refine Results
  1. 1

    Cooperative dual-hop relaying systems with beamforming over nakagami-m fading channels by da Costa, D.B., Aissa, S.

    “…In this paper, we investigate the end-to-end performance of dual-hop relaying systems with beamforming over Nakagami-m fading channels. Our analysis considers…”
    Get full text
    Journal Article
  2. 2

    End-to-end performance of dual-hop semi-blind relaying systems with partial relay selection by da Costa, D.B., Aissa, S.

    “…The end-to-end performance of dual-hop cooperative links using semi-blind (fixed gain) relays and partial relay selection is investigated. The selection scheme…”
    Get full text
    Journal Article
  3. 3

    Capacity analysis of cooperative systems with relay selection in Nakagami-m fading by da Costa, D.B., Aissa, S.

    Published in IEEE communications letters (01-09-2009)
    “…In this Letter, tight closed-form approximations for the ergodic capacity of dual-hop fixed-gain relaying systems are derived. Our analysis allows for…”
    Get full text
    Journal Article
  4. 4

    Average channel capacity for generalized fading scenarios by da Costa, D.B., Yacoub, M.D.

    Published in IEEE communications letters (01-12-2007)
    “…Novel expressions for the average channel capacity (ACC) of single-branch receivers operating in generalized fading channels, namely eta-mu and kappa-mu, are…”
    Get full text
    Journal Article
  5. 5

    Accurate Approximations to the Sum of Generalized Random Variables and Applications in the Performance Analysis of Diversity Systems by da Costa, D.B., Yacoub, M.D.

    Published in IEEE transactions on communications (01-05-2009)
    “…Accurate closed-form approximations to the sum of independent identically distributed eta-mu and kappa-mu random variables are provided. The proposed…”
    Get full text
    Journal Article
  6. 6

    Crossing rates and fade durations for diversity-combining schemes over [alpha]-[mu] fading channels by da Costa, D.B., Santos Filho, J.C.S., Yacoub, M D, Fraidenraich, G

    “…This paper derives exact expressions for the level crossing rate and average fade duration of multibranch pure-selection, equal-gain, and maximal- ratio…”
    Get full text
    Journal Article
  7. 7

    General exact and accurate approximate formulations for the crossing rates of multibranch diversity receivers over non-identical correlated Weibull channels by da Costa, D.B., Yacoub, M.D., Filho, J.C.S.S.

    “…General exact expressions for the average level crossing rate (LCR) of multibranch selection (SC), equal-gain (EGC), and maximal-ratio (MRC) combiners…”
    Get full text
    Journal Article
  8. 8

    Joint statistics for two correlated Weibull variates by Yacoub, M.D., da Costa, D.B., Dias, U.S., Fraidenraich, G.

    “…This paper derives closed-form formulas for the joint statistics of two correlated Weibull variates. In particular, the joint probability density function, the…”
    Get full text
    Journal Article
  9. 9

    General Exact Level Crossing Rate and Average Fade Duration for Dual-Diversity Combining of Nonidentical Correlated Weibull Signals by da Costa, D.B., Yacoub, M.D., Santos Filho, J.C.S., Fraidenraich, G.

    Published in IEEE transactions on vehicular technology (01-11-2007)
    “…This paper derives general exact expressions for the level crossing rate (LCR) and the average fade duration (AFD) of dual-branch selection, equal-gain, and…”
    Get full text
    Journal Article
  10. 10

    Generalized Nakagami-m phase crossing rate by da Costa, D.B., Yacoub, M.D., Filho, J.C.S.S., Fraidenraich, G., Mendes, J.R.

    Published in IEEE communications letters (01-01-2006)
    “…This paper provides simple, exact, new closed-form expressions for the generalized phase crossing rate of Nakagami-m fading channels. Sample numerical results…”
    Get full text
    Journal Article
  11. 11

    On the weibull autocorrelation and power spectrum functions: field trials and validation by Dias, U.S., Yacoub, M.D., Fraidenraich, G., da Costa, D.B., Filho, J.C.S.S.

    Published in IEEE communications letters (01-10-2006)
    “…Indoor and outdoor field trial measurements are used to validate the autocorrelation function derived in an exact manner for the Weibull fading signal. In…”
    Get full text
    Journal Article
  12. 12

    Radio resource allocation in a 6G D-OMA network with imperfect SIC: A framework aided by a bi-objective hyper-heuristic by Torres, Fábio de O., Júnior, Valdivino A. Santiago, Costa, D.B. da, Cardoso, Diego L., Oliveira, Roberto C.L.

    “…In the sixth generation (6G) of mobile communication networks, radio resource allocation management (RRAM) systems must offer high levels of customization and…”
    Get full text
    Journal Article
  13. 13

    Performance Analysis of Relay Selection Techniques With Clustered Fixed-Gain Relays by da Costa, D.B., Aissa, S.

    Published in IEEE signal processing letters (01-02-2010)
    “…In this letter, we study the performance of two promising relay selection techniques, namely selection cooperation (SC) and opportunistic relaying (OPR), under…”
    Get full text
    Journal Article
  14. 14
  15. 15
  16. 16

    The \eta - \mu Joint Phase-Envelope Distribution by da Costa, D.B., Yacoub, M.D.

    “…This letter derives a simple and closed-form expression for the phase-envelope joint distribution of the eta-mu fading environment, a general fading model that…”
    Get full text
    Journal Article
  17. 17

    The < formula > eta$ - < formula > mu$ Joint Phase-Envelope Distribution by da Costa, D.B., Yacoub, M D

    “…This letter derives a simple and closed-form expression for the phase- envelope joint distribution of the eta-mu fading environment, a general fading model…”
    Get full text
    Journal Article
  18. 18

    An Improved Closed-Form Approximation to the Sum of Arbitrary Nakagami- m Variates by da Costa, D.B., Yacoub, M.D., Santos Filho, J.

    Published in IEEE transactions on vehicular technology (01-11-2008)
    “…The aim of this paper is threefold: (1) to propose a simple accurate closed-form approximation to the probability density function of the sum of arbitrarily…”
    Get full text
    Journal Article
  19. 19

    An Improved Closed-Form Approximation to the Sum of Arbitrary Nakagami- [Formula Omitted] Variates by da Costa, D.B, Yacoub, M.D, Santos Filho, J

    Published in IEEE transactions on vehicular technology (01-11-2008)
    “…The aim of this paper is threefold: (1) to propose a simple accurate closed-form approximation to the probability density function of the sum of arbitrarily…”
    Get full text
    Journal Article
  20. 20

    Beamforming in Dual-Hop Fixed Gain Relaying Systems by da Costa, D.B., Aissa, S.

    “…The performance of beamforming in dual-hop cooperative networks with fixed-gain relays is investigated. These kinds of relays offer low complexity and ease of…”
    Get full text
    Conference Proceeding