منابع مشابه
Special Articles on 5 G Technologies toward 2020 Deployment
NTT DOCOMO is researching and developing the fifth-generation mobile communications system (5G) toward the provision of super-high-speed, super-high-capacity wireless communications services. In 5G, the aim is to widen the bandwidth of transmission signals by using frequency bands higher than those of existing frequency bands. However, as radio propagation loss increases in high frequency bands...
متن کاملSpecial Articles on 5 G Technologies toward 2020 Deployment
NTT DOCOMO is currently studying a fifth-generation mobile communications system (5G) intensely. This system is expected to use high frequency bands, so clarification of the propagation characteristics in these high frequency bands is the most important issue in radio propagation research for 5G. This article gives an overview of the issues and current state of study in radio propagation, and d...
متن کاملHorizon 2020.
11. Bruening-Wright, A., Elinder, F. & Larsson, H. P. J. Gen. Physiol. 130, 71–81 (2007). 12. Kosta, S. P. et al. Int. J. Med. Eng. Informatics 3, 16–29 (2011). 13. Reich, H. J. & Depp, W. A. J. Appl. Phys. 9, 421 (1938). 14. Francis, V. Fundamentals of Discharge Tube Circuits (Methuen, 1948). 15. Richardson, O. W. The Emission of Electricity from Hot Bodies 1st edn, 304 (Longmans, Green and co...
متن کاملResearch for VISION 2020
We need good quality information to be able to carry out our eye care programmes in support of VISION 2020, to measure (and improve) our performance, and to advocate for the resources and support we need to succeed. Much of this information can be collected, analysed, and used as part of our daily work, as many of the articles in this issue show. However, many of our questions can only be answe...
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ژورنال
عنوان ژورنال: Acta Physiologica
سال: 2021
ISSN: 1748-1708,1748-1716
DOI: 10.1111/apha.13621