Listar por autor "García-Zambrana, Antonio"
Mostrando ítems 1-17 de 17
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Adaptive selective relaying in cooperative free-space optical systems over atmospheric turbulence and misalignment fading channels
Boluda-Ruiz, Rubén
; García-Zambrana, Antonio; Castillo-Vázquez, Beatriz; Castillo-Vázquez, Carmen (Optica Publishing Group, 2014)
In this paper, a novel adaptive cooperative protocol with multiple relays using detect-and-forward (DF) over atmospheric turbulence channels with pointing errors is proposed. The adaptive DF cooperative protocol here ... -
Análisis de la capacidad ergódica en sistemas cooperativos de comunicaciones ópticas no guiadas
Boluda-Ruiz, Rubén; García-Zambrana, Antonio; Castillo-Vázquez, Beatriz; Castillo-Vázquez, Carmen (2015-09-14)
Ergodic capacity for the bit-detect-and-forward (BDF) cooperative protocol over gamma-gamma fading channels with pointing errors is here analyzed. Novel closed-form approximate ergodic capacity expression is here obtained ... -
Análisis de técnicas de diversidad espacial adaptadas al canal óptico submarino en presencia de dispersión y turbulencia oceánica.
Salcedo-Serrano, Pedro; Garrido-Balsells, José María; García-Zambrana, Antonio; Puerta-Notario, Antonio; Castillo-Vázquez, Beatriz; Boluda-Ruiz, Rubén[et al.] (2023)
High absorption and scattering of the seawater impose new challenges in the design of novel underwater optical wireless transceivers. This paper presents a comprehensive comparison in terms of BER of Multiple-Input/Single-Output ... -
Analysis of complex amplitude modulation with checkerboard-type holograms in phase-only modulators.
Puerta-Notario, Antonio; Schröder Antúnez, Lucía de Fátima; Garrido-Balsells, José María; Boluda-Ruiz, Rubén; Castillo-Vázquez, Beatriz; García-Zambrana, Antonio[et al.] (2024)
For the generation of optical propagation modes using a phase-only spatial light modulators, it is essential that both phase and amplitude components of their complex fieldsare encoded. In this paper, we obtain the complete ... -
Caracterización estadística del desvanecimiento inducido por dispersión en sistemas de comunicación óptica inalámbrica submarina
Salcedo-Serrano, Pedro; Boluda-Ruiz, Rubén; Garrido-Balsells, José María; García-Zambrana, Antonio (2021)
An accurate underwater channel characterization is necessary for underwater optical wireless communication (UOWC) in order to improve its current limitations. This paper presents a new statistical model to characterize the ... -
Converging Underwater and FSO Ground Communication Links
Jurado-Navas, Antonio; Garrido-Balsells, José María; Castillo-Vázquez, Miguel; García-Zambrana, Antonio; Puerta-Notario, Antonio (2019-04-24)
We propose a new combined underwater-atmospheric optical communication link for providing a high speed optical connectivity between onshore and sumerge systems. New average BER expressions are derived when assuming ... -
Evaluating pointing errors on ergodic capacity of DF relay-assisted FSO communication systems
Boluda-Ruiz, Rubén; García-Zambrana, Antonio; Castillo-Vázquez, Beatriz; Castillo-Vázquez, Carmen (2015-09-15)
Ergodic capacity of decode-and-forward (DF) relay-assisted free-space optical (FSO) communication systems when line of sight is available is analyzed over gamma-gamma fading channels with pointing errors. Novel closed-form ... -
Impact of nonzero boresight pointing error on ergodic capacity of MIMO FSO communication systems
Boluda-Ruiz, Rubén; Castillo-Vázquez, Beatriz; Castillo-Vázquez, Carmen; García-Zambrana, Antonio (Optica Publishing Group, 2016)
A thorough investigation of the impact of nonzero boresight pointing errors on the ergodic capacity of multiple-input/multiple-output (MIMO) free-space optical (FSO) systems with equal gain combining (EGC) reception under ... -
Incremento de la capacidad del canal óptico submarino mediante técnicas MISO en presencia de dispersión y turbulencia oceánica
Salcedo-Serrano, Pedro; Boluda-Ruiz, Rubén; Garrido-Balsells, José María; García-Zambrana, Antonio (2022)
En este trabajo se presenta un sistema con múltiples transmisores y un único receptor (MISO) con el objetivo de analizar las prestaciones en términos de capacidad ergódica de un canal óptico submarino bajo efecto de ... -
Modelado estadístico del efecto de burbujas de aire en sistemas de comunicaciones ópticos inalámbricos submarinos.
Gómez-García, Carlos; Iamaguti-Debessa, Jacqueline; Salcedo-Serrano, Pedro; Boluda-Ruiz, Rubén; Garrido-Balsells, José María; García-Zambrana, Antonio; Puerta-Notario, Antonio; Puerta-Notario[et al.] (2023)
The studies regarding underwater optical communications require an in-deep characterization of the water itself since its properties of absorption and scattering of light affect the transmission in an optical link. That ... -
Novel approximation of misalignment fading modeled by Beckmann distribution on free-space optical links
Boluda-Ruiz, Rubén; García-Zambrana, Antonio; Castillo-Vázquez, Beatriz; Castillo-Vázquez, Carmen (Optica Publishing Group, 2016)
A novel accurate and useful approximation of the well-known Beckmann distribution is presented here, which is used to model generalized pointing errors in the context of free- space optical (FSO) communication systems. We ... -
On the Performance of Terrestrial Free-Space Optical (FSO) Links under the Presence of Generalized Pointing Errors
Boluda-Ruiz, Rubén (UMA Editorial, 2017-06-07)
Los sistemas de comunicaciones ópticas en espacio libre (FSO, Free-Space Optical) para aplicaciones terrestres se presentan en la actualidad como una solución muy interesante para solventar el importante reto provocado por ... -
Outage Performance of Exponentiated Weibull FSO Links Under Generalized Pointing Errors.
Boluda-Ruiz, Rubén; García-Zambrana, Antonio; Castillo-Vázquez, Carmen; Castillo-Vázquez, Beatriz; Hranilovic, Steve (IEEE, 2017)
Even in clear conditions, free-space optical (FSO) links are impaired by scintillation and dynamic misalignment which result in a slow fading channel. This paper presents the first characterization of outage performance ... -
Protocolo de Cooperación Adaptativo para Sistemas de Comunicaciones Opticas Atmosféricas
Boluda-Ruiz, Rubén; García-Zambrana, Antonio (2014-09-16)
En concreto, se ha analizado un sistema de comunicaciones cooperativas formado por 3 enlaces FSO con retransmision DF usando IM/DD sobre canales con turbulencia atmosferica y desalineamiento entre el transmisor y el ... -
Secure communication for FSO links in the presence of eavesdropper with generic location and orientation
Boluda-Ruiz, Rubén; Castillo-Vázquez, Beatriz; García-Zambrana, Antonio; Qaraqe, Khalid (Optica Publishing Group, 2019)
When the beam waist at the receiver is significantly larger than the receiver size, free-space optical (FSO) links may be vulnerable to some optical tapping risks at the physical layer. In this paper, we conduct a new ... -
Statistical Channel Impulse Response Modeling for Optical Wireless Communication in Turbid Waters
Boluda-Ruiz, Rubén; Rico-Pinazo, Pedro; Castillo-Vázquez, Beatriz; García-Zambrana, Antonio; Qaraqe, Khalid (URSI'19 (Sevilla, septiembre, 2019), 2019)
Underwater optical wireless communication (UOWC) systems support high-speed, reliable and cost-effective implementations that are demanded for extending the telecommunication networks to oceans. UOWC systems suffer from ... -
Técnicas de modulación de tasa adaptativa en enlaces ópticos no guiados de alta velocidad
Garrido-Balsells, José María (Universidad de Málaga, Servicio de Publicaciones, 2008)
En los últimos años, el rápido desarrollo de terminales portátiles y de aplicaciones multimedia, junto con las limitaciones inherentes a las técnicas de transmisión radio, han producido un considerable aumento en el ...