英语作文预测:5G的详细介绍及前景展望 |
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3 Why do we need 5G? Mobile communication has profoundly changed people's life, but people's pursuit for higher performance of mobile communication has never stopped. In order to cope with the future of mobile data traffic explosive growth, the connection of massive device, the continuous emergence of various new services and applications scene, the fifth generation mobile communication (5G) system will emerge as times require. The necessity of 5G Why does the vision of 5G emerge? 5G will make information break through the limitation of time and space, providing excellent interactive experience and immersive information feast for the user. Through the seamless fusion way, 5G will close the distance of all things, realize the intelligent interconnection between man and all things on earth. 5G will provide the access rate of fiber like, the using experience of “zero delay”, the ability to connect billions of devices, super high flux density, super high connection number density , super high mobility and other multi scene favorable service and intelligent optimization of business and user perception. At the same time, 5G will bring the network over a hundred times the energy efficiency and ultra hundred times the bit cost reduction. Finally 5G will realize the general hope of “Get the information whenever you want and all things on earth are at your fingertips”. 4 Research status and challenges of 5G. To meet the demand of 5G, breakthrough in air interface technology is necessary. But innovation in network architecture is also significant and necessary so as to realize the vision of 5G. Centralized or distributed network architecture The dividing line of access network and the core network To realize network construction or function configuration Part1 Five opening problem on designing 5G network architecture The influence of NFV and SDN IMT-2020 (5G) architecture is evolution or revolution Part 02 Integration of 5G and Wi-Fi An general introduction of Integration of 5G and Wi-Fi The integration network of 5G and Wi-Fi can well solve the problem of rapid growing wireless traffic and user experience pursuit in 5G. Integration of multi-radio access technology, multiple needs and multiple internet were studied to become the inevitable trend for IMT 2020 (5G). In the networking of 5G and Wi-Fi, integration of network application scene and fusion networking technology were introduced to be the inevitable demand, nosense authentication, network security, green communication were proposed to become the key technical indications. Integration of networking technology route Integrate Wi-Fi into mobile communication network as a wireless technology under the circumstance of integration of a variety of cellular network. To realize the multiple access mode of core network with other cellular technology no-sense authentication, network security, green communication were proposed to become the key technical indications. key technical indications Some challenges To work well in a multi service environment with seamless handover technology ? Interference suppression technology ? Automatic adaptation technology ? Security problems. Seamless docking of secure protocol when integrating 5G and Wi-Fi. Part 03 Security vision of 5G The security key technologies 1 2 3 Large data security in 5G Security problems brought by cloudization, virtualization and Software Defined Network, SDN The security of mobile intelligent terminal Researchers THANK YOU VERY MUCH 六级作文预测: 英语六级热点话题作文预测13篇 英语六级作文预测10篇汇总 英语六级话题作文预测汇总 英语六级写作预测范文汇总 英语六级作文预测及范文汇总 英语六级作文写作重点预测 英语六级作文热点话题预测汇总 热门关键词推荐:
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