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published in(发表于) 2013/12/6 12:32:08
Homemade technology： a pair of optical fiber， 100 million people at a call，

Homemade technology: a pair of optical fiber, 100 million people at a call-optical fiber, optical transmission, the transmission of network-IT information Domestic technology: a pair of optical fiber, 100 million people call

Reporter learned from Wuhan Institute of posts and telecommunications, the dominant 973 project "ultra high-speed large capacity ultra long span optical transmission basic research" has now achieved new breakthroughs, under the same bandwidth to transmit larger volumes, achieve a pair of fibers and 114 million people call the most distant travels 3,600 miles .

Previous reports:

Alcatel-Lucent announced that its scientists at Bell Labs in optical transmission speeds up to 100Pb/s for the first time above (1Pb=1000Tb), a transmission distance in 7000duoqianmi per second is equivalent to approximately 400 DVD movie data, approximately from the Paris, France, across the Atlantic to reach United States, Chicago.

This is by far the top transatlantic optical transmission speed records, 10 times faster than today's most advanced commercial submarine cables many times.

In order to achieve such speed, France Villarceaux Bell Laboratories researchers in modulation, transmission, signal processing, and so on have adopted a series of new technologies, such as the use of the 155 different laser frequency, each of which is capable of carrying 100Gb/s data, compared to the performance standards of wavelength division multiplexing (WDM) technology has greatly enhanced.

In addition, the separation distance between the test network Repeater reached 90-kilometer, is 1.2 times times that of ordinary network of its kind.

High-speed optical transmission are Arun efficient network (HLN) a key part of the framework, the acceptance of the framework will be given a number of operators.

国产新技术：一对光纤，1亿人同时通话 - 光纤,光传输,网络传输 - IT资讯
国产新技术：一对光纤，1亿人同时通话

记者从武汉邮电科学研究院获悉，该院主导的973项目“超高速超大容量超长距离光传输基础研究”目前取得新突破，在同等带宽下能够传输更大容量，实现一对光纤同时将1.14亿人的通话最远传输3600公里。

此前相关报道：

阿尔卡特-朗讯宣布，旗下贝尔实验室的科学家们最近将光传输的速度首次提高到了100Pb/s以上(1Pb=1000Tb)，在7000多千米的距离上每秒钟传送了相当于大约400部DVD电影的数据，约等于从法国巴黎横跨大西洋到达美国芝加哥。

这是迄今为止跨洋光传输的最高速度记录，比当今最高级的商用海底电缆快了十倍之多。

为了达到如此速度，法国Villarceaux贝尔实验室的研究人员们在调制、传输、信号处理等方面都采用了一系列新技术，比如使用了155条频率不同的激光，每一条都能承载100Gb/s数据，性能上相比标准的波分复用(WDM)技术有大幅度的增强。

另外，此次试验用网络的中继器之间间隔距离达到了90千米，是同类普通网络的1.2倍。

高速光传输还是阿朗高效能网络(HLN)架构的关键部分，该架构已获得多家运营商的采纳。

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