Listar por autor "Boluda Ruiz, Rubén"
Mostrando ítems 1-20 de 32
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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 ... -
Capacity of underwater optical wireless communication systems over salinity-induced oceanic turbulence channels with ISI
Boluda-Ruiz, Rubén; Salcedo-Serrano, Pedro; Castillo-Vázquez, Beatriz; García-Zambrana, Antonio; Garrido-Balsells, José María (Optica Publishing Group, 2021-07-19)
Point-to-point underwater optical wireless communication (UOWC) links are mainly impaired by scattering due to impurities and turbidity in the open water, resulting in a significant inter-symbol interference (ISI) that ... -
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 ... -
Enhancing secrecy capacity in FSO links via MISO systems through turbulence-Induced fading channels with misalignment errors
Boluda-Ruiz, Rubén; Tokgoz, Sezer C.; García-Zambrana, Antonio; Qaraqe, Khalid (Institute of Electrical and Electronics Engineers, 2020-08)
It has recently been proved that the free-space optical (FSO) communication links are susceptible to interceptions. Due to this reason, the optics community shows a special interest in studying these high-speed links in ... -
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 ... -
Exploring the impact of peer review in electrical engineering courses.
Boluda-Ruiz, Rubén; Campo-Valera, María; Moreno-González, Inés (IATED, 2024)
The use of peer review in university students enrolled in STEM (Science, Technology, Engineering, and Mathematics) degrees emerges as an ever-evolving educational strategy. This approach is justified not only by its solid ... -
Impact of angular pointing error on BER performance of underwater optical wireless links
Boluda-Ruiz, Rubén; García-Zambrana, Antonio; Castillo-Vázquez, Beatriz; Hranilovic, Steve (Optica Publishing Group, 2020-11-09)
Even in clear ocean water, underwater optical wireless communication (UOWC) is impaired not only by absorption and scattering, but also by oceanic turbulence and dynamic pointing errors which result in a fading channel, ... -
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 ... -
Impact of scattering on secrecy outage probability of underwater optical wireless links
Boluda-Ruiz, Rubén; Salcedo-Serrano, Pedro; Castillo-Vázquez, Beatriz; García Zambrana, Antonio; Garrido-Balsells, José María (Institute of Electrical and Electronics Engineers, 2023-10)
The analysis of physical layer security aspects in underwater optical wireless communication (UOWC) systems has attracted considerable attention in recent years due to the increasing need to transmit large and secure amounts ... -
Impulse response modeling of underwater optical scattering channels for wireless communication
Boluda-Ruiz, Rubén; Rico-Pinazo, Pedro; Castillo-Vázquez, Beatriz; García-Zambrana, Antonio; Qaraqe, Khalid (Institute of Electrical and Electronics Engineers, 2020-08)
Despite the fact that underwater optical wireless communication (UOWC) systems are able to provide high-data rate links with high security, the performance of these systems presents several limitations related to the maximum ... -
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 de pérdidas geométricas en sistemas NLOS-UOWC con superficie marina ondulatoria
Samaniego-Rojas, Paulo; Salcedo-Serrano, Pedro; Del Castillo Vázquez, Beatriz; Boluda Ruiz, Rubén; Garrido-Balsells, José María; García Zambrana, Antonio; Puerta Notario, Antonio[et al.] (2024-09)
This work presents an underwater optical wireless communications (UOWC) channel model, specifically addressing a non-Line-of-Sight (NLOS) configuration, accounting for the presence of a waving sea surface. Our model ... -
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 capacity of MISO FSO systems over gamma-gamma and misalignment fading channels.
Boluda-Ruiz, Rubén; García-Zambrana, Antonio; Del Castillo Vázquez, Beatriz; Del Castillo Vázquez, Carmen (Optica Publishing Group, 2015-08)
In this work, the ergodic capacity performance for multipleinput/single-output (MISO) free-space optical (FSO) communications system with equal gain combining (EGC) reception is analyzed over gamma-gamma and misalignment ...