4G 5g中的G代表什么

1G、2G、3G、4G、5G等中的“G”代表什么

一、
5th  generation  wireless systems,简称5G,G就是generation(代)的缩写,这个大家都说的很清楚了。下面简单补充一下最新的5G有哪些新的功能。

上面图中,很形象描述了1G、2G、3G、4G和5G无线网络间的区别,当然除了速度上的提升外,还有很多功能上的变化。

比如,5G中就有这样一些新功能:

当4G仅提供每秒100Mb时,5G可以超过1000Mb/s,有了这个速度,每个人都可以获得全息电视、增强现实,还有超大容量传输的实时体验。

随时随地保持联系,包括在高速列车或飞机上。

1毫秒的超低延迟允许自动驾驶汽车等创新成为可能,这保证了制动命令的交通安全。在4G网络中,制动命令还是会让汽车在100km的时速下前进1.4米后才能完全停止,但凭借5G,由于其超低的延迟,同样条件下,只前行2.8厘米就可停止。

每公里连接的数量可以达到1000亿个连接,而4G仅提供1000个连接。
能效比使用4G处理的设备高得多。

随着可穿戴设备的普及,越来越多的可穿戴技术借助5G将被连接到网络上。可穿戴设备将提供医疗保健管理,提高生活质量和工作效率。例如,超轻,超薄,低能耗和防水传感器可以植入运动服中。

我们一起期待5G的普及吧。

二、

3G,4G中文名称为第三代/第四代移动通信技术,而G的意思也就是“代”(generation的缩写)。就拿4G来说吧,其实他的英文全称是the 4th Generation mobile communication technology。

 

1代通信时代(1G),移动蜂窝组网也就是从那时候开始建设的,但1G使用的是模拟通信,抗干扰性能较差,使用的制式就两种,分别是美洲的AMPS和来自欧洲的TACS,中国用的是欧洲制式TACS。也只能通信,代表手机大哥大。

 

2G通信时代(2G),TDMA和CDMA两种制式出现,同时,由于技术的进步,2G在抗干扰的能力上比起1G时代有了很大的提高。除此之外。还对分组域的引入,和对空中接口的兼容性改造,使得手机不仅仅支持电话,还可以发短信,上网冲浪等等。

4G 5g中的G代表什么

3G通信时代(3G),可以说,2G时代为3G时代的到来奠定了良好的基础,以CDMA为主流,扩展了频谱,增加了频谱利用率,让手机上网速度更快,使用更加先进的调制编码技术,使得很多信息直接到基站下的设备中处理完成,降低了延迟,进一步提升了速度。

三、

大写的G代表着:代的意意,英文:Generation。

之前还有1G,2G这里说,1G时代的代表手机是“大哥大”曾经的港片中,我们看到那些老大们手里提着个黑乎乎的东西,就是它了,是以模拟信号的,信号不稳定,经常接打电话需要站到高点的地方,除了打电话,其它什么也干不了,不过,防身倒还是可以用的,像块砖头,哈哈!

2G的代表是摩托罗拉和诺基亚,这两个手机品牌对于90后来说,很多人可能都不知道,这是我大学毕业时最流行的两款手机了,功能稍多些,对中国人来说,最大的改变就是可以发短信了,特别是对谈恋的年轻男女来说,有些话当面不好说,一个短信就搞定了,当然现在都微信了。还有些简单的游戏,如贪吃蛇,俄罗斯方块等等。

3G是具有划时代意义的,为什么这样说呢,如果说1G是土路,2G是公路,那3G就是高速公路了,为人类提供了更好的速度,代表手机自然就是苹果了,对喜爱上网的人来说,是最大的福音,以前2G打开网页太痛苦了,3G时代高通公司是垄断的,全世界给这家公司交了巨量的专利标准费用,今天我们国家在5G时代华为公司拥有了一个标准,这也是一个划时代意义的突破,这个领域一直是西人的天下,相信将来的6G以后,会越来越多中国人的标准应运而生,这里还是想吐槽下联想,在大义面对表现的不够爷们。

好了,关于G都了解了吧,就说到这里,希望未来提到手机都是中国人排前三。

四、

这个问题提的还挺简单的~1、2、3、4、5G的“G”指的就是generation!也就是“代”,对应的1G到5G就是一代到五代。每一代的升级都会带来全新的速度和经济效能的提升!

时代/“G”的进步

可以非常肯定的说,今年通讯行业最火的名词无疑是5G,也就是五代。在此之前手机通讯行业已经经过了一段时间的变迁!1G语音时代,是一个属于大哥大的时代,采用的是模拟蜂窝组网,是移动通讯时代的开始;2G文本时代,一般定义为无法直接传送如电子邮件、软件等信息的通讯方式,只具有通话和一些如时间日期等传送的手机通信技术规格;3G图片时代,将无线通信与国际互联网等多媒体通信手段相结合,能够同时传送声音及数据信息,提供高速数据业务,在传输声音和数据的速度上得到巨大提升。

而我们现在正在使用的就是4G通讯网络,也就可以说是4G视频时代,4G是集3G与WLAN于一体并能够传输高质量视频图像且图像传输质量与高清晰度电视不相上下的技术产品。4G网络拨号上网快2000倍,上传的速度也能达到20Mbps,并能够满足几乎所有用户对于无线服务的要求。

5G时代的到来

谈完了前四代,接下来就是5G了,虽然现在总的来说还是4G时代,但是5G已经开始进入我们的生活了,三大通信运营商先后试点5G通讯,高通、微软、华为等也在尽力研发5G通信网络,5G物联网时代即将到来。

与4G、3G、2G不同,5G并不是一个单一的无线接入技术,而是多种新型无线接入技术和现有4G后向演进技术集成后的解决方案总称,从某种程度上讲,5G是一个真正意义上的融合网络,其传输速率可以达到10Gbps的移动通信技术。

最近,多家巨头科技公司已经透露出了5G的规划,在明年就可能上市5G手机!我相信最多需要两年的时间,我们就能够全部用上5G的通讯网络了!

未经允许不得转载:杨永博客 » 4G 5g中的G代表什么

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