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SciProfiles: 2328612

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Education and qualifications (3)

Universidade Estadual de Campinas: Campinas, São Paulo, BR

2016 to 2021 | Ph.D. in Electrical Engineering (Departamento de Comunicações (DECOM))
Education
Source: Self-asserted source
Fernando Almeida

Universidade Estadual de Campinas: Campinas, São Paulo, BR

2013 to 2015 | M.Sc. in Electrical Engineering (Departamento de Comunicações (DECOM))
Education
Source: Self-asserted source
Fernando Almeida

Universidad de las Fuerzas Armadas ESPE: Quito, EC

2007 to 2011 | B.Sc. in Electrical Engineering (Departamento de Eléctrica y Electrónica (DEE))
Education
Source: Self-asserted source
Fernando Almeida

Funding (1)

An Improved Framework for Sums of Gaussian-Class Random Variables with Applications to Radar and Communication Systems

2021-09 to 2023-08 | Grant
Fundação de Amparo à Pesquisa do Estado de São Paulo (São Paulo, BR)
Source: Self-asserted source
Fernando Almeida

Works (26)

On the Sum of Ratios of $\alpha$-$\mu$ Variates With Application to Composite Fading Channels

IEEE Transactions on Vehicular Technology
2025 | Journal article
DOI: 10.1109/TVT.2024.3509132
Contributors: Lenin Patricio Jiménez Jiménez; Fernando Darío Almeida García; Maria Cecilia Luna Alvarado; José Cândido S. Santos Filho; Michel Daoud Yacoub; Gustavo Fraidenraich
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Crossref

A Broad Gaussian Class of Power Sums Are Gamma Mixtures

IEEE Transactions on Wireless Communications
2025-01 | Journal article
DOI: 10.1109/TWC.2024.3495233
Contributors: Fernando Darío Almeida García; Francisco Raimundo Albuquerque Parente; Flavio du Pin Calmon; José Cândido Silveira Santos Filho
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Crossref

CA-CFAR Detection for SAR Systems Over Correlated Gamma-Distributed Clutter

IEEE Geoscience and Remote Sensing Letters
2024 | Journal article
DOI: 10.1109/LGRS.2024.3450293
Contributors: Diego da Silva de Medeiros; Fernando Darío Almeida García; Dimas Irion Alves; Rômulo Fernandes da Costa; Renato Machado; Jose Cândido S. Santos Filho
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Crossref

On the Exact Sum of Products of Rayleigh Envelopes With Application to RIS

IEEE Wireless Communications Letters
2024 | Journal article
DOI: 10.1109/LWC.2024.3403391
Contributors: Maria Cecilia Luna Alvarado; Carlos Rafael Nogueira da Silva; Lenin Patricio Jiménez Jiménez; Fernando Darío Almeida García; Gustavo Fraidenraich; José Cândido Silveira S. Filho; Michel Daoud Yacoub
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Crossref

Performance Analysis of Equal-Gain Combining Receivers Over Composite Multipath/ Shadowing Fading Channels

IEEE Access
2024 | Journal article
DOI: 10.1109/ACCESS.2024.3420951
Contributors: Sávio Vieira Lacerda Da Silva; Lenin Patricio Jiménez; Fernando Darío Almeida García; Santosh Kumar; José Cândido Silveira Santos Filho; Eduardo Rodrigues de Lima; Gustavo Fraidenraich
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Crossref

Performance Evaluation of MRC Systems Over Sub-Terahertz MFTR Fading Channels

IEEE Communications Letters
2024-10 | Journal article
DOI: 10.1109/LCOMM.2024.3455798
Contributors: Nathaly Orozco Garzón; Henry Carvajal Mora; Fernando Almeida García; José Vega-Sánchez; Diana Moya Osorio
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Crossref

New Findings on the Sum of Squared Fluctuating Two-Ray Random Variables and Applications

IEEE Transactions on Vehicular Technology
2024-05 | Journal article
DOI: 10.1109/TVT.2023.3342699
Contributors: Fernando Darío Almeida García; Francisco Raimundo Albuquerque Parente; Nathaly Orozco Garzón; Henry Ramiro Carvajal Mora; José Cândido Silveira Santos Filho
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Crossref

Channel Characterization of RIS-Aided Systems Over Nakagami-m Fading Channels: A More Efficient Exact Approach

2024-05-02 | Preprint
DOI: 10.36227/techrxiv.171466553.37258820/v1
Contributors: Fernando Almeida; Flavio du Pin Calmon; J C S Santos Filho
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Crossref

On the Performance of MMSE Channel Estimation in Massive MIMO Systems over Spatially Correlated Rician Fading Channels

Wireless Communications and Mobile Computing
2024-04-12 | Journal article
DOI: 10.1155/2024/5445725
Contributors: Jorge F. Arellano; Carlos Daniel Altamirano; Henry Ramiro Carvajal Mora; Nathaly Verónica Orozco Garzón; Fernando Darío Almeida García; Antonio De Domenico
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Crossref

Secure Transmission for Uplink SCMA Systems Over $\kappa$-$\mu$ Fading Channels

IEEE Transactions on Vehicular Technology
2024-01 | Journal article
DOI: 10.1109/TVT.2023.3305233
Contributors: Henry Ramiro Carvajal Mora; Nathaly Verónica Orozco Garzón; Fernando Darío Almeida García; José David Vega Sánchez; Onel Luis Alcaraz López
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Crossref

CA-CFAR Performance in K-Distributed Sea Clutter With Fully Correlated Texture

IEEE Geoscience and Remote Sensing Letters
2023 | Journal article
DOI: 10.1109/LGRS.2023.3238169
Contributors: Diego Silva Medeiros; Fernando Dario Almeida Garcia; Renato Machado; Jose Candido S. Santos Filho; Osamu Saotome
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Crossref

Exact κ-μ Sum Statistics

IEEE Wireless Communications Letters
2023 | Journal article
DOI: 10.1109/LWC.2023.3272519
Contributors: Fernando Darío Almeida García; Francisco Raimundo Albuquerque Parente; Michel Daoud Yacoub; José Cândido Silveira Santos Filho
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Crossref

On the Exact Sum PDF and CDF of α-μ Variates

IEEE Transactions on Wireless Communications
2023-08 | Journal article
DOI: 10.1109/TWC.2022.3231496
Contributors: Fernando Darío Almeida García; Francisco Raimundo Albuquerque Parente; Michel Daoud Yacoub; José Cândido Silveira Santos Filho
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Crossref

On the Performance of Decode-and-Forward Equal-Gain-Combining Relay Systems over Weibull Fading Channels

Sensors
2023-03-16 | Journal article
DOI: 10.3390/s23063174
Contributors: Paula Tilleria Lucero; Henry Carvajal Mora; Nathaly Orozco Garzón; Fernando Almeida García
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Crossref
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A General CA-CFAR Performance Analysis for Weibull-Distributed Clutter Environments

IEEE Geoscience and Remote Sensing Letters
2022 | Journal article
DOI: 10.1109/LGRS.2022.3187554
Contributors: Lenin Patricio Jimenez Jimenez; Fernando Dario Almeida Garcia; Maria Cecilia Luna Alvarado; Gustavo Fraidenraich; Eduardo Rodrigues de Lima
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Crossref

Improved Exact Evaluation of Equal-Gain Diversity Receivers in Rayleigh Fading Channels

IEEE Access
2022 | Journal article
DOI: 10.1109/ACCESS.2022.3157752
Contributors: Fernando Almeida Garcia; Henry Carvajal Mora; Nathaly Orozco Garzon
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Crossref

Performance Evaluation of SOCA-CFAR Detectors in Weibull-Distributed Clutter Environments

IEEE Geoscience and Remote Sensing Letters
2022 | Journal article
DOI: 10.1109/LGRS.2022.3152936
Contributors: Maria Cecilia Luna Alvarado; Fernando Dario Almeida Garcia; Lenin Patricio Jimenez Jimenez; Gustavo Fraidenraich; Yuzo Iano
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Crossref

A Scheduling Scheme for Improving the Performance and Security of MU-MIMO Systems

Sensors
2022-07-19 | Journal article
DOI: 10.3390/s22145369
Contributors: Henry Carvajal; Nathaly Orozco; Stalin Cacuango; Paola Salazar; Edgar Rosero; Fernando Almeida
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Crossref
grade
Preferred source (of 2)‎

Highly Accurate Closed-Form Approximation for the Probability of Detection of Weibull Fluctuating Targets in Noncoherent Detectors

IEEE Transactions on Aerospace and Electronic Systems
2022-02 | Journal article
DOI: 10.1109/TAES.2021.3096867
Contributors: Fernando Dario Almeida Garci; Andrea Carolina Flores Rodriguez; Gustavo Fraidenraich
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Crossref

New Findings on GLRT Radar Detection of Non-Fluctuating Targets via Phased Arrays

IEEE Access
2021 | Journal article
DOI: 10.1109/ACCESS.2021.3095407
Contributors: Fernando Dario Almeida Garcia; Marco Antonio Miguel Miranda; Jose Candido Silveira Santos Filho
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Crossref

On the Bit Error Probability and the Spectral Efficiency of Opportunistic Wireless Transmissions in Rician Fading Channels

IEEE Access
2021 | Journal article
DOI: 10.1109/ACCESS.2021.3069103
Contributors: Nathaly Orozco Garzon; Henry Carvajal Mora; Fernando Almeida Garcia; Carlos Daniel Altamirano
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Crossref

Light Exact Expressions for the Sum of Weibull Random Variables

IEEE Wireless Communications Letters
2021-11 | Journal article
DOI: 10.1109/LWC.2021.3102877
Contributors: Fernando Dario Almeida Garcia; Francisco Raimundo Albuquerque Parente; Gustavo Fraidenraich; Jose Candido Silveira Santos Filho
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Crossref

Novel Expressions for Ricean Sum Distributions and Densities

IEEE Communications Letters
2021-11 | Journal article
DOI: 10.1109/LCOMM.2021.3109719
Contributors: Fernando Dario Almeida Garcia; Henry Ramiro Carvajal Mora; Nathaly Veronica Orozco Garzon
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Crossref

Square-Law Detection of Exponential Targets in Weibull-Distributed Ground Clutter

IEEE Geoscience and Remote Sensing Letters
2021-11 | Journal article
DOI: 10.1109/LGRS.2020.3009304
Contributors: Fernando Dario Almeida Garcia; Henry Ramiro Carvajal Mora; Gustavo Fraidenraich; Jose Candido Silveira Santos Filho
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Crossref

Alternative representations for the probability of detection of non‐fluctuating targets

Electronics Letters
2020-10 | Journal article
DOI: 10.1049/el.2020.1810
Part of ISSN: 0013-5194
Part of ISSN: 1350-911X
Source: Self-asserted source
Fernando Almeida

CA-CFAR Detection Performance in Homogeneous Weibull Clutter

IEEE Geoscience and Remote Sensing Letters
2019-06 | Journal article
DOI: 10.1109/LGRS.2018.2885451
Contributors: Fernando Dario Almeida Garcia; Andrea Carolina Flores Rodriguez; Gustavo Fraidenraich; Jose Candido S. Santos Filho
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