Search Results - "Silva Dias, Ugo"

On the Double-Generalized Gamma Statistics and Their Application to the Performance Analysis of V2V Communications by Bithas, Petros S., Kanatas, Athanasios G., Benevides da Costa, Daniel, Upadhyay, Prabhat K., Silva Dias, Ugo

“…Important statistical properties of the double-generalized Gamma (dGG) distribution are studied in this paper. The dGG distribution is suitable for modeling…”
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RegBR: A novel Brazilian government framework to classify and analyze industry-specific regulations by Moreira Valle, Letícia, Giacomazzi Dantas, Stefano, Guerreiro e Silva, Daniel, Silva Dias, Ugo, Monteiro Monasterio, Leonardo

“…Government transparency and openness are key factors to bring forth the modernization of the state. The combination of transparency and digital information has…”
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On the Effects of LOS Path and Opportunistic Scheduling in Energy Harvesting Relay Systems by Haiyang Ding, Benevides da Costa, Daniel, Xiaodong Wang, Silva Dias, Ugo, de Sousa, Rafael Timoteo, Jianhua Ge

“…In this paper, we investigate the effects of line-of-sight (LoS) path and opportunistic scheduling (OS) on dualhop energy harvesting (EH) relay systems, where…”
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QoS Management and Flexible Traffic Detection Architecture for 5G Mobile Networks by López Rodríguez, Fernando, Silva Dias, Ugo, Campelo, Divanilson R, Oliveira Albuquerque, Robson de, Lim, Se-Jung, García Villalba, Luis Javier

“…The next generation of 5G networks is being developed to provide services with the highest Quality of Service (QoS) attributes, such as ultra-low latency,…”
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Massive MIMO-NOMA Networks With Imperfect SIC: Design and Fairness Enhancement by de Sena, Arthur Sousa, Lima, Francisco Rafael Marques, da Costa, Daniel Benevides, Ding, Zhiguo, Nardelli, Pedro H. J., Dias, Ugo Silva, Papadias, Constantinos B.

“…This paper addresses multi-user multi-cluster massive multiple-input-multiple-output (MIMO) systems with non-orthogonal multiple access (NOMA). Assuming the…”
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Joint Impact of RF Hardware Impairments and Channel Estimation Errors in Spectrum Sharing Multiple-Relay Networks by Solanki, Sourabh, Upadhyay, Prabhat K., da Costa, Daniel Benevides, Bithas, Petros S., Kanatas, Athanasios G., Dias, Ugo Silva

“…In this paper, we investigate the performance of a spectrum sharing decode-and-forward multiple-relay network (SSDMN) with direct link under the joint impact…”
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Massive MIMO-NOMA Networks With Successive Sub-Array Activation by Sousa de Sena, Arthur, da Costa, Daniel Benevides, Ding, Zhiguo, Nardelli, Pedro H. J., Dias, Ugo Silva, Papadias, Constantinos B.

“…In this paper, we propose a novel successive sub-array activation (SSAA) diversity scheme for a massive multiple-input multiple-output (MIMO) system in…”
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Performance Analysis of Multi-Antenna Multiuser Hybrid Satellite-Terrestrial Relay Systems for Mobile Services Delivery by Bankey, Vinay, Upadhyay, Prabhat K., Da Costa, Daniel Benevides, Bithas, Petros S., Kanatas, Athanasios G., Dias, Ugo Silva

“…Satellite communication systems need to be integrated with emerging cooperative relaying techniques to provide seamless connectivity and high-speed broadband…”
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Dual-Hop Mixed RF-UOW Communication System: A PHY Security Analysis by Illi, Elmehdi, El Bouanani, Faissal, Da Costa, Daniel Benevides, Ayoub, Fouad, Dias, Ugo Silva

“…In this paper, the secrecy performance of a dual-hop mixed radio-frequency/underwater optical wireless communication (RF-UOWC) system is investigated. The…”
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Energy and Spectral Efficiencies of Cell-Free Millimeter-Wave Massive MIMO Systems Under Rain Attenuation Based on Ray Tracing Simulations by Da Silva, Higo Thaian P., Silva, Hugerles S., Alencar, Marcelo S., De Queiroz, Wamberto J. L., Dias, Ugo Silva

“…Future wireless communication systems depend on the network's ultra-densification, on the application of massive multiple-input multiple-output (mMIMO)…”
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The κ-μ phase-envelope joint distribution by Dias, U.S., Yacoub, M.D.

“…This paper derives an exact closed-form expression for the phase-envelope joint distribution of the κ-μ fading environment, a general fading model that…”
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Power Correlation Coefficient of a Very General Fading Model in Maximal Ratio Combining by Mendes, J R, Yacoub, M D, Dias, U S

“…A very general fading scenario is considered for which exact, closed-form formulas for the correlation coefficient of the instantaneous power at the output of…”
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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.

“…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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Transmit Antenna Selection in Secure MIMO Systems Over \alpha-\mu Fading Channels by Moualeu, Jules M., da Costa, Daniel Benevides, Lopez-Martinez, F. Javier, Hamouda, Walaa, Nkouatchah, Telex M. N., Dias, Ugo Silva

“…This paper investigates the secrecy performance of multiple-input multiple-output systems under generalized <inline-formula> <tex-math notation="LaTeX">\alpha…”
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A cooperative spectrum sharing protocol for cognitive two-way AF relaying system by Mittal, Saloni, Gupta, Naveen, Ashok Bohara, Vivek, da Costa, Daniel B., Silva Dias, Ugo

“…This paper investigates the performance of a cooperative spectrum sharing protocol for cognitive two-way amplify-and-forward (AF) relaying system. In the…”
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On the double threshold energy detection-based spectrum sensing over κ-µ fading channel with noise uncertainty and diversity by De Oliveira Petrocchi Ribas, Annita, Silva Dias, Ugo

“…This paper presents the performance analysis of spectrum sensing systems based on double threshold energy detection in which noise uncertainty and κ-μ fading…”
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Transmit Antenna Selection in Secure MIMO Systems Over [Formula Omitted] Fading Channels by Moualeu, Jules M, Benevides da Costa, Daniel, Lopez-Martinez, F Javier, Hamouda, Walaa, Telex M N Nkouatchah, Ugo Silva Dias

“…This paper investigates the secrecy performance of multiple-input multiple-output systems under generalized [Formula Omitted] fading conditions. To this end,…”
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Performance of multiuser diversity with adaptive modulation over α-μ fading channels by Pimentel Ataides, Kaie, Silva Dias, Ugo

“…This paper presents the performance analysis of adaptive modulation with single-cell multiuser scheduling over independent non-identically distributed…”
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RegBR: A novel Brazilian government framework to classify and analyze industry-specific regulations by Letícia Moreira Valle, Stefano Giacomazzi Dantas, Daniel Guerreiro E Silva, Ugo Silva Dias, Leonardo Monteiro Monasterio

“…Government transparency and openness are key factors to bring forth the modernization of the state. The combination of transparency and digital information has…”
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On the small-scale fading evaluation in human exposure assessment by Linhares, Agostinho, Soares, Antonio Jose Martins, Silva Dias, Ugo

“…Radiofrequency signals are affected by several phenomena in complex environments, such as absorption, diffraction and multipath. The latter is the main…”
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