Search Results - "Costa, D.B. da"
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Cooperative dual-hop relaying systems with beamforming over nakagami-m fading channels
Published in IEEE transactions on wireless communications (01-08-2009)“…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…”
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2
End-to-end performance of dual-hop semi-blind relaying systems with partial relay selection
Published in IEEE transactions on wireless communications (01-08-2009)“…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…”
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3
Capacity analysis of cooperative systems with relay selection in Nakagami-m fading
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…”
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4
Average channel capacity for generalized fading scenarios
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…”
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5
Accurate Approximations to the Sum of Generalized Random Variables and Applications in the Performance Analysis of Diversity Systems
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…”
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6
Crossing rates and fade durations for diversity-combining schemes over [alpha]-[mu] fading channels
Published in IEEE transactions on wireless communications (01-12-2007)“…This paper derives exact expressions for the level crossing rate and average fade duration of multibranch pure-selection, equal-gain, and maximal- ratio…”
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7
General exact and accurate approximate formulations for the crossing rates of multibranch diversity receivers over non-identical correlated Weibull channels
Published in IEEE transactions on wireless communications (01-03-2009)“…General exact expressions for the average level crossing rate (LCR) of multibranch selection (SC), equal-gain (EGC), and maximal-ratio (MRC) combiners…”
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8
Joint statistics for two correlated Weibull variates
Published in IEEE antennas and wireless propagation letters (2005)“…This paper derives closed-form formulas for the joint statistics of two correlated Weibull variates. In particular, the joint probability density function, the…”
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9
General Exact Level Crossing Rate and Average Fade Duration for Dual-Diversity Combining of Nonidentical Correlated Weibull Signals
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…”
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10
Generalized Nakagami-m phase crossing rate
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…”
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11
On the weibull autocorrelation and power spectrum functions: field trials and validation
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…”
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12
Radio resource allocation in a 6G D-OMA network with imperfect SIC: A framework aided by a bi-objective hyper-heuristic
Published in Engineering applications of artificial intelligence (01-03-2023)“…In the sixth generation (6G) of mobile communication networks, radio resource allocation management (RRAM) systems must offer high levels of customization and…”
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13
Performance Analysis of Relay Selection Techniques With Clustered Fixed-Gain Relays
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…”
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14
The [Formula Omitted]- [Formula Omitted] Joint Phase-Envelope Distribution
Published in IEEE antennas and wireless propagation letters (01-01-2007)Get full text
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15
Second-Order Statistics of η-μ Fading Channels : Theory and Applications
Published in IEEE transactions on wireless communications (01-03-2008)Get full text
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16
The \eta - \mu Joint Phase-Envelope Distribution
Published in IEEE antennas and wireless propagation letters (2007)“…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…”
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17
The < formula > eta$ - < formula > mu$ Joint Phase-Envelope Distribution
Published in IEEE antennas and wireless propagation letters (01-01-2007)“…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…”
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18
An Improved Closed-Form Approximation to the Sum of Arbitrary Nakagami- m Variates
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…”
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19
An Improved Closed-Form Approximation to the Sum of Arbitrary Nakagami- [Formula Omitted] Variates
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…”
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20
Beamforming in Dual-Hop Fixed Gain Relaying Systems
Published in 2009 IEEE International Conference on Communications (01-06-2009)“…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…”
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