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5G正加速向我们走来

2017-08-22 05:21:57   中国青年网

像王艳一样,提起5G,很多人都会想到“快”。那么,5G到底有多快呢?在业内有一个比喻:如果把2G比作自行车,3G就是摩托车,4G是汽车,5G则是高铁。

北京邮电大学教授乔秀全提到,5G网络具有更高的速率、更宽的带宽,预计5G网速将比4G至少提高10倍,只需要几秒即可下载一部高清电影,能够满足消费者对超高清视频、VR(虚拟现实)等更高网络体验的需求。

其实,5G不仅仅是网速快,还具有低时延高可靠、低功耗大连接等“天赋”。“5G的网络延时从4G的50毫秒缩短到1毫秒,将满足1000亿量级的网络连接。”通信行业观察家项立刚说,5G能让各类智能硬件始终处于联网状态。这也意味着5G将推动“万物互联”时代的到来,深刻改变人们的社会生活。

“在5G时代,人和人、人和物、物和物都将连成一体,将构建一个全新的信息化基础设施。”中国信息通信研究院信息化与工业化融合研究所副所长许志远说。

未来,5G将为用户提供下一代社交网络、浸入式游戏等更加身临其境的业务体验;同时,也将支持海量的机器通信,让无人驾驶、智能家居、智慧城市等4G难以满足的创新应用成为可能。

业内人士认为,5G业务的典型应用场景可分为三类,一是3D或超高清视频等大流量移动宽带业务,二是智能物流等大规模物联网业务,三是无人驾驶、工业自动化等需要低时延、高可靠连接的业务。

按照中国电信制定的5G业务发展蓝图,2020年到2021年,将重点发展高清视频、3D视频、VR或AR(增强现实)影视、游戏,以及智能交通、机器人辅助制造和远程问诊等业务;2022年到2023年,重点发展云办公、VR或AR旅游、智能农业和智慧城市等业务;2024年以后,重点拓展VR教育、自动驾驶和远程手术等业务。

2、5G怎样影响经济

新兴产业迎来“井喷式”发展

【数据】

中国信息通信研究院发布的《5G经济社会影响白皮书》称,按照2020年5G正式商用算起,预计当年将带动我国直接经济产出4840亿元,创造54万个就业机会;2025年,将带动直接经济产出3.3万亿元,提供350万个就业机会;2030年,将带动直接经济产出6.3万亿元,带动超过800万人就业。

一款名为平衡球机械臂的5G试验产品,最近在多个展览上引起了人们的围观。记者看到,在一个由三条机械臂支撑的平台上,小球能够自动“感应”到其上方物体的位置变化,并随之进行移动……

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