[EN] For the problem of channel state information (CSI) delay and error, this paper proposes a joint interference and phase alignment algorithm based on Bayesian estimation and power allocation among data streams for ...
Simarro, M. Angeles; García Mollá, Víctor Manuel; Martínez Zaldívar, Francisco José; Gonzalez, Alberto(IEEE, 2020-09-03)
[EN] Generalized Spatial Modulation (GSM) is a trans-mission technique used in wireless communications in which only part of the transmitter antennas are activated during each time signaling period. A low complexity Sphere ...
García Mollá, Víctor Manuel; Martínez Zaldívar, Francisco José; Simarro, M. Angeles; Gonzalez, Alberto(Elsevier, 2020-10)
[EN] Hard-Output Maximum Likelihood (ML) detection for Generalized Spatial Modulation (GSM) systems involves obtaining the ML solution of a number of different MIMO subproblems, with as many possible antenna configurations ...
García Mollá, Víctor Manuel; Simarro Haro, Mª de los Angeles; Martínez Zaldívar, Francisco José; González Salvador, Alberto; Vidal Maciá, Antonio Manuel(Elsevier, 2016-08)
This paper focuses on the improvement of known algorithms for maximum likelihood
soft-output detection. These algorithms usually have large computational complexity, that
can be reduced by using clipping. Taking two ...
This paper provides an overview of the optional MIMO (Multiple-Input Multiple-Output) antenna scheme adopted in ATSC 3.0 to improve robustness or increase capacity via additional spatial diversity and multiplexing by sending ...
Vargas Paredero, David Eduardo; Gozálvez Serrano, David; Gómez Barquero, David; Cardona Marcet, Narciso(Institute of Electrical and Electronics Engineers (IEEE), 2013-07)
DVB-NGH (Digital Video Broadcasting - Next Generation Handheld) is the next generation technology for mobile TV broadcasting, which has been developed by the DVB project with the most advanced transmission technologies. ...
Shitomi, Takuya; Garro, Eduardo; Murayama, Kenichi; Gomez-Barquero, David(Institute of Electrical and Electronics Engineers, 2018)
[EN] ATSC 3.0 is the latest digital terrestrial television (DTT) standard, and it allows a higher spectral efficiency and/or a transmission robustness with multiple-input multiple-output (MIMO) technology compared to ...
Barjau, Carlos; Fuentes, Manuel; Shitomi, Takuya; Gomez-Barquero, David(Institute of Electrical and Electronics Engineers, 2017)
[EN] Non-uniform constellations (NUCs) have been introduced to improve the performance of quadrature amplitude modulation constellations. 1D-NUCs keep the squared shape, while 2D-NUCs break that constraint to provide ...
Ballester Palacios, Paula(Universitat Politècnica de València, 2022-10-14)
[ES] Esta tesis aborda el análisis de la estimación del canal en sistemas MIMO (Multiple-Input MultipleOutput) con un canal de desvanecimiento de Rayleigh selectivo en frecuencia, bajo la condición de haber empleado técnicas ...
Ramiro Sánchez, Carla(Universitat Politècnica de València, 2015-07-30)
[EN] Nowadays, several communication standards are emerging and evolving, searching
higher transmission rates, reliability and coverage. This expansion is
primarily driven by the continued increase in consumption of mobile ...
Ramiro Sánchez, Carla; Vidal Maciá, Antonio Manuel; Gonzalez, Alberto(Springer, 2015-02)
This paper presents MIMOPack, a set of optimized functions to perform
some of themost complex stages in multiple-input multiple-output (MIMO) communication
systems such as channel coding, preprocessing, precoding and ...
Vargas Paredero, David Eduardo; Gozálvez Serrano, David; Gómez Barquero, David; Cardona Marcet, Narciso(Instituto de Telecomunicaciones y Aplicaciones Multimedia (ITEAM), 2012)
In this paper we describe the potential of multi-antenna
techniques (MIMO) in the context of digital video broadcasting
(DVB) systems. DVB standards have been challenged
by the increasing demand of high data rate
applications ...
Roger Varea, Sandra; Calabuig Soler, Daniel; Monserrat del Río, José Francisco; Cardona Marcet, Narciso(SpringerOpen, 2014-11-19)
[EN] In the context of multi-hop cellular communications, user equipment devices (UEs) with relaying capabilities provide a virtual infrastructure that can enhance the cell spectral efficiency. UE relays, which are generally ...
Manglano Bermejo, María(Universitat Politècnica de València, 2022-11-22)
[ES] La utilización de vehículos aéreos no tripulados (Unmanned Aerial Vehicle, UAV) en innumerables aplicaciones e investigaciones ha sido excepcional recientemente. Los UAV han ganado mucho atractivo debido a sus ...
Miralles Navarro, Enric(Universitat Politècnica de València, 2018-09-10)
En esta disertación industrial, se han abordado una variedad de nuevas ideas.
En el capítulo 2, se expone una breve introducción a la teoría básica de los radares tipo MIMO, así como también conceptos esenciales como ...
Roger Varea, Sandra; Cabrejas Peñuelas, Jorge; Calabuig Soler, Daniel; Monserrat del Río, José Francisco; Fouad, Yaser; Gohary, Ramy H.; Yanikomeroglu, Halim(Instituto de Telecomunicaciones y Aplicaciones Multimedia (iTEAM), 2014)
[EN] Current cellular technologies are based on the concept of coherent communication, in which the channel matrix used for demodulation is estimated via reference or pilot signals. Coherent systems involve a significant ...
Cabrejas Peñuelas, Jorge; Roger Varea, Sandra; Calabuig Soler, Daniel; Fouad, Yaser M. M.; Gohary, Ramy H.; Monserrat del Río, José Francisco; Yanikomeroglu, Halim(Institute of Electrical and Electronics Engineers (IEEE), 2016-06-14)
[EN] This paper investigates the use of non-coherent communication techniques for open-loop transmission over temporally-correlated Rayleigh-fading MIMO channels. These techniques perform data detection without knowing the ...
Simarro Haro, Mª de los Angeles; Ramiro Sánchez, Carla; Martínez Zaldívar, Francisco José; Vidal Maciá, Antonio Manuel; González Téllez, Alberto; Piñero Sipán, María Gemma; García Mollá, Víctor Manuel(2013)
[EN] One of the current techniques proposed for multiple transmit and receive antennas wireless communication systems is the use of error control coding and iterative detection and decoding at the receiver. These sophisticated ...
Jozsa, Csaba M; Kolumban, Geza; Vidal Maciá, Antonio Manuel; Martínez Zaldívar, Francisco José; González Salvador, Alberto(Wiley, 2015-12-10)
Multiple-input multiple-output (MIMO) systems have attracted considerable attention in wireless communications
because they offer a significant increase in data throughput and link coverage without additional
bandwidth ...
[EN] ATSC 3.0, the latest Digital Terrestrial Television (DTT) standard, allows a higher spectral efficiency and/or a transmission robustness with Multiple-Input Multiple-Output (MIMO) technology compared to existing ...