DOCOMO 5G White Pape
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Special 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 کاملSpecial 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...
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Currently, many operators worldwide are deploying Long Term Evolution (LTE) to provide much faster access with lower latency and higher efficiency than its predecessors 3G and 3.5G. Meanwhile, the service rollout of LTE-Advanced, which is an evolution of LTE and a “true 4G” mobile broadband, is being underway to further enhance LTE performance. However, the anticipated challenges of the next de...
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The AN.ON-Next project aims to integrate privacy-enhancing technologies into the internet’s infrastructure and establish them in the consumer mass market. The technologies in focus include a basis protection at internet service provider level, an improved overlay network-based protection and a concept for privacy protection in the emerging 5G mobile network. A crucial success factor will be the...
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Channel coding is a vital but complex component of cellular communication systems, which is used for correcting the communication errors that are caused by noise, interference and poor signal strength. The turbo code was selected as the main channel code in 3G and 4G cellular systems, but the 3GPP standardization group is currently debating whether it should be replaced by the Low Density Parit...
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