據稱這塊磷化錮化合物半導體芯片在300HHz頻段進行了高速無線傳輸實驗,峰值速率達到100Gbps。技術的突破是永無止境的,這樣的芯片在通信技術發展中又邁出重要一步,令人欣喜。有媒體把這款芯片定義成6G芯片,還有人認為這是日本6G取得了大突破,超越了中國5G。但筆者認為下這個判斷還為時過早,對于6G我們應該有清醒、科學的認識。

The phosphide-impregnated semiconductor chip is said to have carried out high-speed wireless transmission experiments in the 300Hz band, with a peak rate of 100Gbps. The technological breakthroughs are endless, and such chips are a welcome step forward in the development of communications technology. Some media have defined the chip as a 6G chip, and others believe it is a big breakthrough for Japan's 6G, surpassing China's 5G. However, the author thinks that this judgment is too early, we should have a sober, scientific understanding of 6G.

什么是6G?應該說今天還不知道。各國對于5G之后的6G應該是什么樣子,仍只是提出自己的想法,這些想法需要在全世界通信業進行交流和完善。所以,各國研究機構現在都只是發出關于6G白皮書,提出自己的理解。在這一基礎上,國際電信聯盟會召開相關會議提出關于6G的愿景。這個愿景和5G的三大場景一樣,6G也應該有場景及針對這些場景實現的指標。

What is 6G? It should be said that today is not known. Countries still come up with their own ideas about what the 6G after 5G should look like, and these ideas need to be exchanged and refined in the communications industry around the world. As a result, national research institutions are now merely issuing white papers on the 6G, offering their own understanding. On this basis, the International Telecommunication Union will convene relevant meetings to present a vision for 6G. This vision, like the three 5G scenarios, should have scenarios and targets for those scenarios.

在愿景的基礎上,國際標準化組織會推動6G標準的建立,各個國家的相關企業將提出標準立項,圍繞這些立項再制定相關標準。在標準完善的過程中,各國的通信企業會圍繞這些標準開發產品,進行室內實驗,再進行外場實驗。最后架設網絡,向社會提供服務。

On the basis of its vision, the International Organization for Standardization (ISO) will promote the establishment of the 6G standards, and the relevant enterprises of each country will propose the standards for the establishment of the relevant standards around these projects. In the process of perfecting the standards, communication enterprises in various countries will develop products around these standards, carry out indoor experiments, and then carry out field experiments. Finally, a network was set up to provide services to the community.

目前全球的6G發展仍處在逐漸形成愿景階段。在這個意義上,沒有一項技術是國際上認可的6G技術,也沒有一項技術肯定會成為6G的技術。日本公司研發的這塊芯片,嚴格意義上說是太赫茲頻段的通信芯片,雖然對于6G在愿景討論時有很多專家提到了太赫茲頻段,它提供大量的頻譜為高速通信提供了可能,但6G是否肯定用到太赫茲還難以預計。就如5G標準討論時,全球都認為為了支持更高的帶寬必須采用毫米波,各國也對5G做了毫米波的頻率規劃,世界多個企業著手進行了毫米波技術的開發。但因為存在較大的技術難度,目前全世界的5G主要是Sub6,也就是6GHz以下的波段。要廣泛采用毫米波還需解決更多的技術問題。

At present, the global development of 6G is still in the stage of gradual formation of vision. In this sense, no technology is an internationally recognized 6G technology, and no technology is sure to become a 6G technology. The chip, developed by japanese companies, is strictly a telecommunications chip in the terahertz band. Although many experts have mentioned the terahertz band at the time of the discussion of the vision, it provides a large spectrum that provides the possibility for high-speed communications, it is hard to predict whether the terahertz band will be used. As in the discussion of the 5G standard, the world agreed that millimeter-waves were necessary to support higher bandwidth, and that countries had made millimeter-wave frequency planning for 5G. But because of the greater technical difficulty, the world's current 5G band is mainly Sub6, or below 6 GHz. More technical problems need to be addressed if millimeter waves are to be widely adopted.

6G僅是5G下一代技術,除了通信芯片之外,能否設計出可安裝在終端和基站中支持太赫茲頻段的天線,這都是一些復雜的問題。因此,筆者認為日本這款支持太赫茲頻段的通信芯片很有價值,但將它變成真正意義上的6G技術,距離還很遙遠。

6G is only the next generation of 5G technology, in addition to communication chips, the design of antennas that can be installed in terminals and base stations to support the terahertz band, which is a complex question. Therefore, the author thinks japan's telecommunications chip, which supports the terahertz band, is valuable, but it is still a long way from turning it into a real 6g technology.

如今,中國的5G技術在芯片、通信系統、終端、應用等各種層面都走在了世界前列,同時6G的腳步也并沒有放慢。目前,從科技部到工信部再到研究機構,早已有多個部門在做相關工作。華為、中興、信科等眾多中國通信企業也在做相關技術積累,還有很多前瞻性的技術(包括太赫茲技術)都是電子科技大學等高校的研究課題,水平在全球也處于前列。不過既然現在全世界對于6G連愿景是什么都沒定義,不急于把某項技術宣稱為“6G技術”才是科學的態度。

Nowadays, China's 5G technology is in the forefront of the world in chip, communication system, terminal, application and so on, and the pace of 6G has not slowed down. At present, from the Ministry of Science and Technology to the Ministry of Industry and Information Technology to research institutions, there have been a number of departments to do related work. Many chinese telecommunication companies, such as Huawei, zte and xinke, are also doing the technology accumulation, and many forward-looking technologies (including terahertz technology) are research topics in universities such as the university of electronic science and technology, and the level is also in the forefront of the world. But since the world now has no definition of what a 6G vision is, it's not rushing to call a technology a \"6G technology \"that's scientific.

通信技術是全人類共同推進的技術,無論哪個國家取得突破都令人欣喜。有了4G、5G的積累,相信中國在6G領域依然會走在全球的前列。(作者是信息消費聯盟理事長)

Communication technology is a common advance for all mankind, and it is a welcome breakthrough for any country. With the accumulation of 4G and 5G, it is believed that China will still be in the forefront of the world in the field of 6G. (The writer is Director of Information Consumption Alliance)


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