According to reports, people who are fascinated by technology are generally mad and speedy, they love high-speed processors, large memory and flying network connections. However, in terms of the current technology, the processor and storage aspects are expected to have a leaps and bounds improvement, and the possibility is small, but the network speed can be different, because 5G is already on the road.
In the United States, operators AT&T and Verizon have started small-scale 5G network experiments, and the network is expected to be officially launched in 2020. For 5G, I am afraid that everyone is most familiar with the speed of the network, but the technology is not so simple, the author below lists five questions you have to know about 5G technology.
1. 5G brings more than just the speed of the network
In terms of network speed, 5G will be 10 to 100 times faster than the existing 4G, which means that we can enjoy 4Gbps ultra-high network speed in the future (this is why 5G is named "fiber-free fiber network").
Hank, vice president of AT&T's network architecture department, explained that the rapid growth of the network speed is mainly due to the operators' opening of more wireless channels and millimeter wave technology (the signal transmission distance is shortened and the network speed is accelerated). In addition, the use of small base stations improves network coverage, and data transmission and exchange distances become shorter.
Hank believes that 5G brings more than speed. In fact, what is more important for users is the 5G increase in network capacity, which can carry more devices. With the deepening of the construction of the Internet of Things, there will be more and more connected devices in the future. From the security system of the office to the broadcast on the car, it will become a member of the 5G network. It is expected that by 2020, the number of connected devices will explode, and your clothes, sports accessories, bridges, and even the body will become a part of the network.
As the founder of the analysis company Recon AnalyTIcs and 5G network expert, Entner said: "With the continuous advancement of the Internet of Things revolution, 5G network will become the strong backing of billions of devices in the future."
2. The network architecture is completely new
Gartner expert Shama said that in addition to fast speed and low latency, 5G networks have strong backward compatibility, so researchers can have greater autonomy in the transformation of their architecture.
"5G wireless networks will join a new architecture like Cloud RAN (Cloud Wireless Access), localized micro data centers will emerge, they can support server-based network functions such as industrial IoT gateways, HD video caching and transcoding In addition, support for new topological protocols allows 5G to better manage more dispersed heterogeneous networks,†Shama said.
"5G networks will have a rapid development in the construction of base stations," Entner said. "At the moment, we don't know what wireless data transmission technology will be used in the future. Many people have different opinions on this issue."
3. The previous experiment is in progress
In addition to the previously mentioned AT&T and Verizon, many companies have also begun testing 5G networks, including Alcatel-Lucent, Ericsson, Fuji, Nokia and Samsung.
In addition to these established telecom equipment vendors, there are many technology companies that are also eyeing the business opportunities brought about by 5G technology. Google (microblogging) recently acquired Alpental, a 5G network technology company, to advance the millimeter wave technology. Microsoft also began testing with the white space of the TV. In addition, Facebook launched an open computing initiative that will become part of Internet.org in the future and provide network support to poor developing countries.
4. Wi-Fi technology has not yet made a big breakthrough
Although 5G technology will make great progress in the next few years, our familiar Wi-Fi does not have this treatment. Hank believes that the industry has made a big mistake in this regard. After all, the two technologies will continue to coexist in the future, and the progress of Wi-Fi technology cannot be ignored. However, Entner said that the industry has also considered Wi-Fi, but the main task of 5G is to carry the networked devices that are gradually rising in the next few years, rather than working with Wi-Fi at home.
“5G is very important because the existing network design can no longer carry the huge amount of equipment in the future,†Entner said. "The situation is far beyond what was expected 10 years ago, and we need to find an effective solution."
5. The United States will not be the first country to deploy a 5G network
In addition to US carriers, Japan's NTT Docomo has also begun testing 5G networks. In addition, South Korea is likely to officially launch the 5G network before the opening of the PyeongChang Winter Olympics in 2018. Therefore, in the construction of 5G networks, the United States is not at the forefront. It is Asian countries that can truly experience this technology first.
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