Yes! A huge wave was stirring in the old man’s heart!

The Internet age has arrived, and the 21st century will undoubtedly be the Internet century. China is a big country. As a big country and a rising power, it is simply unimaginable that it does not have its own voice and standard setting power in the Internet age.

"I was very young when I was in college and had a wide range of interests in network technology," Lin Zheng's smile on his face was a little shy. "At that time, the International Association of Electrical and Electronic Engineers developed the first generation of commercial wireless LANs, and it was officially put into use this year."

Mr. Tan nodded. Of course, he knew what Lin Zheng said. This year, the first wireless LAN using 900MHz in the world officially started commercial operations. However, instead of viewing it as a commercial project, this project is better considered a demonstration project to demonstrate wireless LAN technology to the outside world. Although the project has been completed, due to many reasons such as cost, reliability and versatility, this wireless LAN technology has always been in a state of being well-known but not popular, which makes the International Association of Electrical and Electronic Engineers very embarrassed.

"In my opinion, although the performance of this network is unstable, the transmission rate is low, and network equipment with different standards is difficult to be compatible with each other, and the future upgrade is still a problem, but despite all the problems, the advantages of this system have also been revealed. It can be said that the advantages are much more than the disadvantages, and the future prospects are very promising, but there is a very serious problem."

"Oh?" Professor Tan raised his eyebrows.

"The International Organization for Standardization has joined hands with the International Association of Electrical and Electronic Engineers to start the standard construction and formulation of wireless LAN standards. Once the International Organization for Standardization and the International Association of Electrical and Electronic Engineers have this set of specifications and standards in their hands, we Chinese will probably have no say in the Internet age in the future... We all know that standing behind the International Association of Electrical and Electronic Engineers is actually Americans. If the International Association of Electrical and Electronic Engineers masters this set of standards and specifications, it is equivalent to the Americans mastering this set of standards and specifications. In the future, we are likely to be exposed to Americans in network technology. This is not possible, absolutely not possible."

"My idea is to independently build a system in civil systems, and formulating relevant agreements is not only time-consuming and laborious, but also easy to be criticized. However, we must participate in the formulation of wireless LAN technology planning and standards of the International Organization for Standardization and the International Association of Electrical and Electronic Engineers. Even if we cannot master all the standards, we must master some of them... First-class enterprises make standards, second-class enterprises make technology, and third-class enterprises make products. As long as we master the standards of the Internet era, after 10 years, our country truly enters the era of great network development, conservatively estimates that I think it can save billions of dollars for our country in a year."

"There was a saying during World War II, 'Art is borderless, but artists do have borders'. I believe IEEE said that they would share wireless LAN technology for free, so they would share it for free, but IEEE is borderless, but the electrical and electronic engineers in IEEE have borders. Even if the International Association of Electrical and Electronic Engineers is really willing to share their wireless LAN technology for free, the United States, Europe and many other powerful countries behind this are really willing to disclose all the technology and design information for free?"

"If they do something in the router chip, the open network will become one-way transparent to them. I think we should always do something for our country and for the network security of our country." When talking about affection, Lin Zheng's eyes were a little red.

The old man also became silent.

Of course, he knew that Lin Zheng was telling the truth. The domestic level and strength in chip research and development and manufacturing are extremely weak, and he has no ability to develop and manufacture such network product chips at all. If he did not take advantage of the international development of wireless LANs and get a share of the standard setting rights, the Republic's network security will become a huge problem in the future.

It would be fine if it was a small and medium-sized country. The basic characteristics of the country determined that they could only rely on the strong, but the Republic is different from all other countries. As a big country with 9.6 million square kilometers of land, more than 18,000 kilometers of coastline length and the largest population in the world, China must have its own voice and standard setting rights in the Internet age.

After a long silence, the old man finally spoke slowly, his tone was extremely solemn, "How much do you know about WLAN technology?"

It is undoubtedly important to master the right to speak and patent rights of the Internet. In this matter, it is not impossible for China University of Science and Technology to support Lin Zheng. But first, the old man needs to determine Lin Zheng's mastery of wireless LAN technology first.

Although Lin Zheng is his own student and he does not doubt Lin Zheng's level, WLAN technology is not something in the textbooks of the University of Science and Technology, and the University of Science and Technology does not have these things. He doubts about how much relevant knowledge about wireless LANs Lin Zheng has mastered, let alone come up with a framework for wireless LAN technology based on this knowledge.

"Wireless LAN is based on computer networks and wireless communication technology. In the computer's OSI network model, wireless LAN technology mainly targets the lowest physical layer and the above data link layer. The logical link control layer and the above application layer have the same requirements for different physical layers. Therefore, after the architecture and standard design of wireless LAN, it mainly targets the media access control layer in the physical layer and the data link layer, that is, MAC. After clarifying this point, we can determine that wireless LAN technology mainly involves technical specifications and technical standards such as the wireless frequency range, air interface communication protocol, etc.."

"No," the old man nodded, not surprised Lin Zheng's answer. If the top student at the University of Science and Technology of China cannot even answer this point, he can only doubt whether this kid has been living a life in the past few years.

"I learned about the wireless LAN standard that the International Association of Electrical and Electronic Engineers is now formulating. In my opinion, the standard they formulated is not very ideal, or too ideal. The original intention of the design is mainly to solve the wireless access between users and user terminals in office LANs and campus networks. The business is mainly limited to data access, and it seems that the maximum speed can only reach 2Mbps."

"Not only is this speed too slow, the transmission distance is not ideal. Teacher, I am not optimistic about this standard. I think this standard should be replaced soon. With the constant working frequency band, frequency modulation spread spectrum technology and direct sequence spread spectrum technology are used to increase the data transmission rate to 11Mbps and increase the transmission distance to 50 to 150 meters."

"In terms of data transmission rates, the transmission rates must be automatically switched between different rates according to actual conditions. Only in this way can the application field of WLAN be maximized and expanded. In addition, the encryption format and authentication mechanism must also be strictly defined to improve security."

Of course, Lin Zheng's words are not nonsense. The IEEE802.11 wireless LAN standard originally formulated by the International Association of Electrical and Electronic Engineers is probably the shortest-lived wireless LAN standard. Since it cannot meet people's needs in terms of speed and transmission distance, the IEEE802.11 standard was replaced by IEEE802.11b in just two years, and its life is outrageous.

"Based on these, based on some of the situations I have learned in recent years, I have specially written a framework material for technological development. I just finished writing it recently. I have analyzed it repeatedly. It should be feasible. Teacher, please help me see it." Lin Zheng said, respectfully handing a thick stack of information to Mr. Tan.

It's as thick as a pack of copy paper.

"Did you write these?" Looking at this thick stack of information, Mr. Tan Xingjian was shocked and his eyes turned red.

When Lin Zheng said that he had some ideas about wireless LANs, he thought that at most, there were only 10 or 20 sheets of paper, but looking at the stack of materials printed in standard Little Five fonts on his hand, Mr. Tan felt that his hands were trembling very much.

Thinking of the huge difficulties faced by Lin Zheng and his company during this period, the old man felt even more heartbroken. How did he squeeze out time to write these things?

"Yes, Xiaona also found a lot of information for me," Lin Zheng was so happy that he looked like a child. "Actually, I don't know if this thing is useful or not, but I think that even if the country only pays attention to the development of our network, this information will play a role."

Professor Tan did not look at it. He turned around and took a thick file bag back. He carefully put the information into the file bag and patted Lin Zheng on the shoulder hard, "Boy, if you weren't planning to do business, I would have to be your tutor no matter what I said... It would be a pity for such a seedling."

Although he didn't read the information written by Lin Zheng, just based on what Lin Zheng said just now, the old man dared to conclude that Lin Zheng's stack of information was definitely not empty. As this kid's teacher, he could not see his students' hard work being wasted. He would drive a night train tonight. He must have a general understanding and judgment on this information. If it can really play a certain role in the development and construction of the domestic network, even if the old man gives up his old face, he has to help him do what he wants to do.

Panasonic and Sony? It's just the itchy of scabies.

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Chapter completed!