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    关于行将到来的5G期间,你必要晓得这些
    公布>###07:12   泉源:本站原创   点击量:
    In 2019, a big technology shift will finally begin. It’s a once-in-a-decade upgrade to our wireless systems that will start reaching mobile phone users in a matter of months.
    2019年,一场严重的技能厘革终于要开端了。这是ag8的无线体系十年一次的晋级,将在几个月内开端触及手机用户。
     
    But this is not just about faster smartphones. The transition to new fifth-generation cellular networks — known as 5G for short — will also affect many other kinds of devices, including industrial robots, security cameras, drones and cars that send traffic data to one another. This new era will leap ahead of current wireless technology, known as 4G, by offering mobile internet speeds that will let people download entire movies within seconds and most likely bring big changes to video games, sports and shopping.
    但这不但仅是让智能手机变得更快那么复杂。向新的第五代蜂窝网络(简称5G)的过渡,还将影响很多其他范例的设置装备摆设,包罗产业呆板人、保安摄像头、无人机和互相发送交通数据的汽车。经过提供能让人们在几秒钟内下载整部影戏,并很有大概给电子游戏、体育和购物带来宏大变革的挪动互联网速率,这个新时期绝对以后的无线技能——即4G——是一次奔腾。
     
    Officials in the United States and China see 5G networks as a competitive edge. The faster networks could help spread the use of artificial intelligence and other cutting-edge technologies.
    美国和中国的官员们视5G网络为一种竞争上风。更快的网络可以协助传达人工智能和其他******技能的利用。
     
    Expect to hear more about 5G soon at events like the big consumer electronics trade show CES in January in Las Vegas and MWC Barcelona (formerly the Mobile World Congress) in February in Spain. Wireless service providers including AT&T and Verizon are already talking up 5G. And device makers are previewing gadgets that will work with the technology.
    在1月拉斯维加斯的大型消耗电子展会CES和2月巴塞罗那天下挪动通讯大会(MWC)如许的运动中,估计很快***能理解更多关于5G的信息。包罗AT&T和威瑞森(Verizon)在内的无线办事提供商曾经在议论5G。设置装备摆设制造商正在展望试与该技能配套的设置装备摆设。
     
    Samsung recently demonstrated prototypes of 5G smartphones that are expected to operate on both Verizon and AT&T networks. Many other manufacturers are racing to follow suit, though Apple is not expected in the initial 5G wave. Analysts predict that iPhones with the new technology won’t arrive until 2020. An Apple spokeswoman declined to comment.
    三星(Samsung)***近展示了估计会在威瑞森和AT&T网络上运转的5G智能手机样机。很多其他制造商正在竞相跟进,只管苹果(Apple)估计不会呈现在***初的5G海潮中。剖析师展望,接纳新技能的iPhone将直到2020年才会到来。苹果说话人回绝置评。
     
    Here’s what you need to know.
    这里是你必要晓得的工具。
    What exactly is 5G?
     
    5G毕竟是什么?
    Strictly speaking, 5G is a set of technical ground rules that define the workings of a cellular network, including the radio frequencies used and how various components like computer chips and antennas handle radio signals and exchange data.
    严厉来说,5G是一套技能底子规矩,它界说了蜂窝网络的事情方法,包罗利用的无线电频率以及电脑芯片和天线等种种组件怎样处置无线电信号和互换数据。
     
    Since the first cellphones were demonstrated in the 1970s, engineers from multiple companies have convened to agree on new sets of specifications for cellular networks, which are designated a new technology generation every decade or so. To get the benefits of 5G, users will have to buy new phones, while carriers will need to install new transmission equipment to offer the faster service.
    自从20世纪70年月手机******被演示以来,来自多家公司的工程师***曾经收集起来,***蜂窝网络的新一套标准告竣分歧,即蜂窝网络每十年左右被指定为新一代技能。为了取得5G的产品成效,用户将不得不购置新的手机,而运营商将必要安置新的传输设置装备摆设以提供更快的办事。
     
    How fast will 5G be?
    5G有多快?
     
    The answer depends on where you live, which wireless services you use and when you decide to take the 5G plunge.
    回答取决于你生存在那边、你利用哪种无线办事以及你何时决议实验利用5G。
    Qualcomm, the wireless chipmaker, said it had demonstrated peak 5G download speeds of 4.5 gigabits a second, but predicts initial median speeds of about 1.4 gigabits. That translates to roughly 20 times faster than the current 4G experience.
    无线芯片制造商高通公司(Qualcomm)称5G的下载速率峰值可以到达每秒4.5千兆比特,但估计初始中值速率约为1.4千兆比特。这相称于现在4G体验的约莫20倍。
     
    The 5G speeds will be particularly noticeable in higher-quality streaming video. And downloading a typical movie at the median speeds cited by Qualcomm would take 17 seconds with 5G, compared with six minutes for 4G.
    5G速率在高质量流媒体视频中尤其有目共睹[yǒu mù gòng dǔ]。依照高通所称的中值速率,下载一部惯例巨细的影戏用5G只需17秒,而4G必要6分钟。
     
    Rather than remembering to download a season of a favorite TV show before heading to the airport, for example, you could do it while in line to board a plane, said Justin Denison, a Samsung senior vice president.
    三星******副总裁贾斯汀·丹尼森(Justin Denison)说,你不用在前去机场前,记取下载好某一季***喜好的电视节目,你可以在好比列队登机时下载。
     
    Is that the only speed that matters?
    这是******紧张的速率吗?
     
    No. There’s another kind of speed, a lag known as latency, that may become even more important with 5G.
    不是。另有另一种速率,被称为耽误的滞后题目,这个在5G上大概愈加紧张。
     
    Issue a command now on a smartphone — like starting a web search — and the response isn’t exactly immediate. A lag of 50 to several hundred milliseconds is common, partly because signals often must pass between different carrier switching centers; 5G, which uses newer networking technology, was designed to reduce latency down to a few milliseconds. It was also designed to deliver signals more reliably than earlier cellular networks, which today frequently drop bits of data that aren’t essential for tasks like watching movies on a phone.
    以后在智能手机上收回一条指令——好比开启网页搜刮——失掉的呼应确切来说并不是即时的。耽误50至几百毫秒很罕见,局部是由于信号通常要在差别的运营商互换中心之间通报;5G接纳了更新的网络技能,被设计用于将耽误降至几毫秒。它还被设计用于比早前的蜂窝网络更******地传输信号,后者现在在一些并非不行或缺的利用中,好比在手机上看影戏,是常常会丢失一些数据的。
     
    That improvement could bring many benefits, notably in fields such as virtual reality. The highest-quality VR applications now typically require bulky headsets that are connected by wire to nearby personal computers that generate 3D images. With 5G, that would be off-loaded wirelessly to other machines, freeing users to move and making it easier to develop goggles the size of eyeglasses, said Cristiano Amon, president of Qualcomm’s semiconductor business.
    这种改良可带来许多好处,比力明显的是在假造实际这类范畴。******质量的假造实际使用如今一样平常都要装备轻巧的头具,以有线方法接到左近天生3D图像的团体盘算机上。高通半导体商业总裁克里斯蒂亚诺·阿蒙(Cristiano Amon)说,有了5G***可以无线毗连到别的呆板上,利用户可以自在挪动,也可以更容易开辟出眼镜巨细的目镜。
     
    In the related field of augmented reality, people could point a smartphone camera at a football game and see both live video on the display and superimposed player statistics or other data, said Patrick Moorhead, an analyst at Moor Insights & Strategy.
    穆尔征询和战略公司(Moor Insights & Strategy)剖析师帕特里克·穆尔黑德(Patrick Moorhead)说,在加强实际(AR)的相干范畴,人们可以用智能手机的摄像头瞄准一场足球竞赛,在表现屏上寓目直播视频的同时,可以看叠加的球员统计数据或别的数据。
     
    And 5G’s impact extends to medicine and other fields that increasingly rely on high-speed connections.
    5G的影响还触及医疗及别的日益依赖高速毗连的范畴。
     
    “If you talk about remote surgery or connected cars, you don’t want latency times to be too long,” said Fredrik Jejdling, an executive vice president at Ericsson, a maker of cellular equipment.
    “要说到近程手术或联网汽车,你可不想有太多耽误,”手机设置装备摆设制造商爱立信公司(Ericsson)实行副总裁弗雷德里克·杰德林(Fredrik Jejdling)说。
     
    When will 5G be here?
    5G什么时分会到来?
     
    The answer for smartphone users in the United States appears to be by the second quarter of 2019; precise timing is uncertain.
    关于美国的智能手机用户,回答好像是在2019年******季度;确切工夫尚不确定。
     
    Countries expected to follow the United States with 2019 rollouts of 5G include Britain, Germany, Switzerland, China, South Korea and Australia, according to a timetable compiled by Qualcomm.
    依据高通公司体例的工夫表,估计2019年将在美国之后于推出5G技能的国度包罗英国、德国、瑞士、中国、韩国和澳大利亚。
     
    Will consumers see the full benefits of 5G?
    消耗者能充实享用5G的良好吗?
     
    Verizon and AT&T will introduce their 5G offerings with the first use of high frequencies that are known by the phrase “millimeter wave.” Using this, the wireless providers can pump data at high speeds, but the signals don’t travel as far. So the two carriers are expected to first target densely populated areas — “parts or pockets” of cities, as AT&T’s Fuetsch put it.
    威瑞森和AT&T将在它们的5G产品中******利用称为“毫米波”的高频技能。使用这一点,无线办事提供商可以高速传保送数据,但信号能传输的间隔有限。因而,估计这两家运营商将起首对准生齿麋集的地域——用AT&T的安德烈·富奇(Andre Fuetsch)的话来说,***是都会的“局部地域”。
     
    Sprint and T-Mobile plan to start with lower frequencies. The result may be somewhat slower initial speeds but broader range, said Michael Thelander, president of Signals Research, a wireless consultancy.
    Sprint和T-Mobile方案从较低的频率开端。无线征询公司信号研讨(Signals Research)的总裁迈克尔·泰兰德(Michael Thelander)说,后果大概是初始速率有所减慢,但掩盖范畴更广。
     
    Still, 5G’s full benefits aren’t expected until U.S. carriers upgrade key central switching equipment, which may not happen until late 2019 or sometime in 2020.
    不外,5G的所有利益估计要比及美国的运营商晋级中心互换设置装备摆设之后才干完成,而这大概要到2019年底或2020年的某个时分。
     
    So should I buy a smartphone that works with 5G right away?
    我能否应该立刻买一台支持5G的智能手机呢?
     
    You have a lot to consider. For example, while Verizon and AT&T plan to later add 5G services based on lower frequencies that offer wider coverage, the first 5G handsets may not work with those portions of their networks. So the reach of 5G signals for those phones may remain limited.
    你必要思索许多事变。比方,固然威瑞森和AT&T方案稍后增长基于低频的5G办事,提供更普遍的掩盖范畴,但******批5G手机在其该局部网络下大概无法正常事情。因而,这些手机的5G信号范畴大概仍旧受限。
     
    “I wouldn’t buy a 5G phone until it supports 5G in one of the lower-frequency bands,” Mr. Thelander said. “For all operators but Sprint, this means at least late 2019, and more likely 2020.”
    “在5G手性能支持较低频段的5G网络之前,我不会购置它,”泰兰德说。“关于除了Sprint之外的一切运营商,这意味着至多要在2019年底,更有大概会是在2020年。”
     
    泉源:纽约时报
    供稿:监理5部任重