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3 results on '"Coll-Perales, Baldomero"'

1. Opportunistic D2D-Aided Uplink Communications in 5G and Beyond Networks

Author

Coll-Perales, Baldomero, Pescosolido, Loreto, Passarella, Andrea, Gozalvez, Javier, Conti, Marco, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Di Felice, Marco, editor, Natalizio, Enrico, editor, Bruno, Raffaele, editor, and Kassler, Andreas, editor

Published
2019
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2. Analysis of 5G RAN Configuration to Support Advanced V2X Services

Author

Lucas Estañ, María del Carmen, Coll Perales, Baldomero, Wang, Chang-Heng, Shimizu, Takayuki, Avedisov, Sergei, Higuchi, Takamasa, Cheng, Bin, Yamamuro, Akihiko, Gozálvez Sempere, Javier, Sepulcre, Miguel, Altintas, Onur, Departamentos de la UMH::Ingeniería de Comunicaciones, and Ingeniería de Comunicaciones

Subjects
621.3 - Ingeniería eléctrica. Electrotecnia. Telecomunicaciones, Computer science, NR, 621.3 - Ingeniería eléctrica. Electrotecnia. Telecomunicaciones [621 - Ingeniería mecánica en general. Tecnología nuclear. Electrotecnia. Maquinaria], Subcarrier, Bandwidth, 5G mobile communication, 5G V2X, Flexibility (engineering), Modulation, Radio access network, V2N2V, business.industry, Resource management, Bandwidth (signal processing), 6 - Ciencias aplicadas::62 - Ingeniería. Tecnología::621 - Ingeniería mecánica en general. Tecnología nuclear. Electrotecnia. Maquinaria::621.3 - Ingeniería eléctrica. Electrotecnia. Telecomunicaciones [CDU], New Radio, Scalability, Vehicle to Everything, CAV, Automation, V2N, Automation , 5G mobile communication , Scalability , Modulation , Telecommunication traffic , Bandwidth , Resource management, Telecommunication traffic, RAN, Ran, V2X, connected automated vehicles, business, 5G, Computer network
Abstract

5G offers high flexibility at the radio, transport and core networks to support various services of critical verticals such as connected and automated driving. At the Radio Access Network (RAN), 5G defines a New Radio (NR). 5G NR utilizes different subcarrier spacing, slot durations, modulations and channel coding schemes. This flexibility offers the possibility to support automotive services with different and demanding requirements, such as Advanced Driver-Assistance System (ADAS), cooperative driving, and remote driving. Previous studies showed that 5G NR can be configured to achieve latencies below 2 ms. However, existing studies are generally restricted to scenarios with a limited number of users and unlimited bandwidth. Therefore, it is important to analyze whether 5G NR can effectively support these services as the network scales under limited spectrum allocations. This study advances the current state of the art to demonstrate that the capability of 5G NR RAN to support advanced V2X services depends on the RAN configuration (subcarrier spacing, slot duration and error protection) and network load UMH work was supported in part by the Spanish Ministry of Science and Innovation (MCI), AEI and FEDER funds under Project TEC2017-88612-R, and the Ministry of Universities (IJC2018-036862-I), and the Generalitat Valenciana

Published
2021

3. Empirical Models of the Communications Performance of Multi‐hop Cellular Networks using D2D

Author

Coll Perales, Baldomero, Gozálvez Sempere, Javier, Sepulcre Ribes, Miguel, and Departamentos de la UMH::Ingeniería de Comunicaciones

Subjects
wireless networks, device‐centric, 621.3 - Ingeniería eléctrica. Electrotecnia. Telecomunicaciones, device‐to‐device, mobile relays, D2D, empirical models, field trials, Multi‐hop cellular networks, 5G
Abstract

Multi‐hop Cellular Networks (MCNs) can improve the quality of service, capacity and energy‐efficiency of traditional infrastructure‐centric single‐hop cellular systems. MCN systems can exploit Device‐to‐Device (D2D) communications and utilize the communications and computing capabilities of mobile devices. However, the communications challenges resulting from the use of mobile devices and D2D communications require empirical solid evidences of their performance benefits, and the design of robust communications and networking protocols. In this context, this paper presents a unique set of empirical models of the communications performance of MCN systems that utilize D2D communications. The models take into account the impact of the distance, propagation/visibility conditions, number of hops, and communication settings. The set of derived models can help design, test and optimize communications and networking protocols for MCNs that utilize D2D communications.

Published
2015

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