This project is funded by the European Union Seventh Framework Programme and is coordinated by Professor Josep Vidal. The project aims to work on two new technologies that will be key to the future WiMax* and LTE* mobile networks: the opportunistic use of frequency bands and the implementation of relay terminals.
Firstly, it has been noted that certain radio spectrum frequencies are underused in certain places and/or at certain times of day. From this scenario the possibility emerges for both mobile terminals and base stations to detect whether it is possible to make use of these bands at their location and thus increase the speed of information transmission.
Secondly, the project plans to implement very small and cheap relay terminals to significantly boost the performance of wireless networks without the need to increase the number of large expensive installations on the roofs of buildings, since small relay terminals could be easily installed on traffic signals or street lights. In some cases, users’ mobile telephones and notebook computers themselves could act as relays. This would also mean that users would experience fewer situations of limited access.
The idea of the project is to engineer wireless communications solutions with the capacity to transmit at more than 100 Mbps and with the possibility of reaching peaks of 1 Gbps. This new technology will benefit all applications requiring a high transmission speed in mobile environments: Internet content downloads, online video games, television on mobile telephones, video calls, etc. The terminals that will benefit most from this new technology, however, will be pocket computers and notebooks, as well as electronic organizers and PDAs (Personal Digital Assistants).
The UPC is the only Spanish university participating in the ROCKET project, which has funding of 3 million euros, as well as the involvement of the University of Aachen (Germany), the University of Surrey (United Kingdom), the Czech Technical University (Czech Republic), the Commisariat à l’Energie Atomique (France) and the companies Motorola Labs, Intracom Telecom Solutions SA, Iber WiFi Exchange SLU and Dune SLR.
18.08.2017 | Albert-Ludwigs-Universität Freiburg im Breisgau
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18.08.2017 | Washington University in St. Louis
Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these "bubbly" concoctions that will have major impact on the manufacturer of the world's thinnest, flattest, and one most useful materials -- graphene.
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Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.
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For the first time, scientists have shown that circular RNA is linked to brain function. When a RNA molecule called Cdr1as was deleted from the genome of mice, the animals had problems filtering out unnecessary information – like patients suffering from neuropsychiatric disorders.
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A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.
Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...
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