Exploració per autor "Femenias Nadal, Guillem"
Ara es mostren els items 1-14 de 14
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Analysis of prediction diversity TCM-MPSK and postdetection diversity TCM-MDPSK systems on a Rayleigh fading channel
Femenias Nadal, Guillem; Agustí Comes, Ramon (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1995-02)
Article
Accés obertIn this paper, the bit error rate (BER) performance of predetection diversity trellis coded multilevel phase shift keying (TCM-MPSK) and postdetection diversity trellis coded multilevel differential phase shift keying ... -
Desarrollo de un modem Fh- TCM-8 DPSK basado en el TMS320C30 para comunicaciones móviles
Femenias Nadal, Guillem (1991)
Text en actes de congrés
Accés obertThis paper describes the real-time all-digital implementation of a FDMA/TDMA Slow Frcquency Hopping-Trellis Coded 8DPSK modem for operation in narrow band indoor mobile radio environments. The modem architecture as well ... -
Design and implementation of a wide-band real-time mobile channel emulator
Olmos Bonafé, Juan José; Gelonch Bosch, Antonio José; Casadevall Palacio, Fernando José; Femenias Nadal, Guillem (1999-05)
Article
Accés obertA new wide-band mobile channel emulator for the CODIT project is designed and implemented. The UMTS code-division testbed (CODIT R2020) is a research project within the European RACE-II program set up by the Commission of ... -
Design and implementation of a wide-band real-time mobile channel emulator
Olmos Bonafé, Juan José; Gelonch Bosch, Antonio José; Casadevall Palacio, Fernando José; Femenias Nadal, Guillem (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1999-05)
Article
Accés obertA new wide-band mobile channel emulator for the CODIT project is designed and implemented. The UMTS code-division testbed (CODIT R2020) is a research project within the European RACE-II program set up by the Commission of ... -
Downlink scheduling and resource allocation for 5G MIMO-multicarrier: OFDM vs FBMC/OQAM
Femenias Nadal, Guillem; Riera Palou, Felip; Mestre, Xavier; Olmos Bonafé, Juan José (Institute of Electrical and Electronics Engineers (IEEE), 2017-07-20)
Article
Accés obertOAPA The definition of the next generation of wireless communications, so-called 5G networks, is currently underway. Among many technical decisions, one that is particularly fundamental is the choice of the physical layer ... -
Enhancing cell-free massive MIMO networks through LEO satellite integration
Riera Palou, Felip; Femenias Nadal, Guillem; Caus López, Màrius; Shaat, Musbah; García Morales, Jan; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2021)
Text en actes de congrés
Accés obertThis paper proposes a hybrid network architecture combining a cell-free Massive MIMO terrestrial layout with a low Earth orbit satellite segment jointly targeting the maximization of the minimum per-user rate in the coverage ... -
Frequency-hopping trellis-coded 8-DPSK for indoor communications
Agustí Comes, Ramon; Femenias Nadal, Guillem (Institute of Electrical and Electronics Engineers (IEEE), 1991)
Text en actes de congrés
Accés obertA TDMA (time-division multiple-access) slow frequency hopping-trellis-coded 8-DPSK (differential phase-shift keying) scheme is proposed for indoor mobile radio communications. In order to assess the performance of this ... -
Joint frequency assignment and flow control for hybrid terrestrial-satellite wireless backhauling network
Shaat, Musbah; Pérez Neira, Ana Isabel; Femenias Nadal, Guillem; Riera Palou, Felip (Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés restringit per política de l'editorialIn this paper, we investigate the problem of cross-layer design of the link scheduling, frequency assignment and flow control in hybrid terrestrial-satellite wireless backhauling networks. Considering network limitations ... -
Performance of trellis-coded 8-DPSK modulation with co-channel interference in land mobile radio channels
Femenias Nadal, Guillem; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 1989)
Text en actes de congrés
Accés obertThe BER (bit error rate) performance of uncoded 4-DPSK (differential phase shift keying) and coded 8-DPSK (with 8 and 16 state codes) modulation schemes have been studied. A Rayleigh mobile channel and the presence of ... -
Scalable cell-free massive MIMO networks with LEO satellite support
Riera Palou, Felip; Femenias Nadal, Guillem; Caus López, Màrius; Shaat, Musbah; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2022-04-01)
Article
Accés obertThis paper presents an integrated network architecture combining a cell-free massive multiple-input multiple-output (CF-M-MIMO) terrestrial layout with a low Earth orbit satellite segment where the scalability of the ... -
Sistema TDMA-FH-TCM-8PSK en un entorno de comunicaciones móviles celulares de banda ancha
Femenias Nadal, Guillem (1991)
Text en actes de congrés
Accés obertIn this paper we propase a TOMA Slow Frequency Hopping-Trellis Coded BPSK scheme for wideband cellular mobile communications. TCM wilh channel interleaving allows us to achieve coding gain without bandwith increase on ... -
Sistemas TCM-8PSK en canales con interferencia intersimbolica
Femenias Nadal, Guillem (1991)
Text en actes de congrés
Accés obert -
Switched-diversity trellis-coded 8-DPSK for mobile radio applications
Femenias Nadal, Guillem; Agustí Comes, Ramon (1990)
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Accés obert -
Trellis-coded 8-DPSK with postdetection combining diversity for digital land mobile radio
Femenias Nadal, Guillem; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 1991)
Text en actes de congrés
Accés obertThe performance of rate 2/3 postdetection combining diversity TCM-8DPSK systems is analyzed. A simulated Rayleigh mobile radio channel and the presence of cochannel interferers are assumed. Only the case where an ideal ...