不久前,王二小听说在通信行业有一个“宿命论”的魔咒。如果通信标准是奇数,它将失败;如果公平,它就会成功。
是什么意思?也就是说,诸如1G和3G等奇怪的通信标准都失败了。然而,像2G和4G这样的偶数已经成功了。
王二小当时很震惊。有这样的说法吗?如果这个规则适用于即将到来的5G,5G的命运肯定会失败吗?
的确,自从移动通信诞生以来,奇数已经失败,偶数已经成功,这是有目共睹的事实。这是巧合还是科学?让我们一起分析一下
最早的1G诞生于1978年左右,最初由摩托罗拉和贝尔实验室开发这一代通信系统是一个模拟通信系统,抗干扰性能差,语音质量差,价格高,基本没有得到广泛推广。此外,1G标准因地而异,给用户带来了极大的不便。
因此,欧洲邮电大会成立了一个专家组来统一欧洲的2G标准,并在1990年完成了第一个版本的全球移动通信系统(2G标准)。从模拟通信到数字通信,最重要的是,2G使移动设备能够接入互联网,并广泛用于各国公共移动通信网络的建设。在此期间,
还利用2G技术在中国建立了自己的全国移动通信网络。也是在这个时期,大多数普通人开始接触移动通信,并逐渐使用手机。
3G是指支持高速数据传输的蜂窝移动通信技术3G服务可以同时传输语音(呼叫)和信息(电子邮件、实时通信等)。)并以超过几百kbps的速率提供高速数据服务。
| 2000年5月,国际电信联盟正式宣布了第三代移动通信标准。中国提交的时分同步码分多址正式成为国际标准,并与欧洲的WCDMA和美国的CDMA2000一起成为3G时代三大主流技术之一,但3G不及时。1997年的亚洲金融危机、2001年的美国金融危机、美国互联网泡沫的崩溃和技术泡沫引发了全球科技企业的崩溃,通信行业也不能幸免。
3G有些国家没有钱去建设,有些国家建成后就没人用了。全球通信行业已经开始思考3G的价值,而国内的态度也是观望的。直到2009年,工业和信息化部才向三大国内运营商发放3G牌照。
4年后,工业和信息化部于2013年12月4日正式颁发4G牌照,宣告中国通信行业进入4G时代。3G技术已经被飞速发展的4G网络悄然取代。大多数人已经从2G网络直接跨越到4G网络。
3 3G网络就像一条过河的船,过河后就不再需要它了。主要原因是3G网络原本是为高速数据传输而设计的,但智能手机兴起后,很难面对爆炸性的数据传输,这催生了4G。
5G会面临同样的尴尬吗?不久前,有一篇热门文章叫做“5G将彻底失败”。作者认为“5G在技术上没有任何进步,需求是虚构的,所以它注定会失败。”
作者指出5G是虚假的,技术供给薄弱。一些流行的技术组件,如多天线技术(MIMO),已经20多年没有取得任何真正的进展。极地密码和LDPC密码没有取得任何革命性的进步。他们没有提高系统的实际效率,技术供应也没有做出任何革命性的改进。< br>
5G具有许多特性,例如高速、低延迟和大量连接。目前,用户的需求场景非常有限,几乎没有地方可以使用。没有需求的技术没有未来。尽管5G声称是完全集成的,并且具有强大的索引参数,但很难快速取代任何现有的通信技术。
5G会发生什么?现在没人能得出结论。我们只能全程观看和见证。
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news 2 news _ fromid _ rel "," factor ":" news 2 news _ from from同时,移动电话必须得到数据流量的支持。因此,每个消费者都迫切需要选择一个好的运营商。然而,国内通信行业一直处于“三方对抗”的趋势。中国移动拥有最多的用户和最高的订阅费。wm _版权所有:“原创”、“来源”、“华华说科技界”、“作者_数据类型”、“一点好”、“标题”、“移动推出无限流量”供我使用。我希望老顾客回来。你觉得怎么样?”" URL ":" http:\ x2f \u fwww . yidianshin . com \u FMP \u x2f content?Id=270581425295520”,“类别”:“技术”,“图像”:“0xkh0a3g7”,“上传_图像_ v”:[],“评论_计数”:25,“喜欢”:4,“向上”:2,“我_联盟_范围”:0,“授权”:真。" is_gov":false," content_type":"news "," ctype":"news "," b_political":false," docid":"0OXkH0GI "," dt type ":1," wemedia_id":1700545," enable_top":true," hongbao":1," impid ":_ 1580891906224 _ 0LCo1lu _ n2n "," detail ":{ " vfactor ":" news 2news _ w2vn 2n "," factor ":" news 2news _ w2vn 2n 2n "我相信很多小伙伴都很担心,因为我们使用的网络和手机套餐都是由三大运营商提供的,即移动、联通和电信,所以我们可以在网络的海洋中畅游,但同时,三大运营商也因为垄断和用户需求的增加而赚了很多钱。" wm _版权":"原创"、"来源":"脸红科技"、"作者_ DTYPE ":"一点好"、"标题":"联通又一次"降低资本"和70g包心菜月租金。每个人都会买吗?”" URL ":" http:\ x2f \u fwww . yidianshin . com \u FMP \u x2f content?身份证号= 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