If you are interested in checking the detailed parameters of the smartphones on the market today, you will find that they support more and more wireless technologies. What GSM, 3G, 4G LTE, WiFi, Bluetooth, NFC, people who don't know how to do it will look at one. Foggy water. 2G, 3G and 4G technologies are the basic technology for our mobile phones to make calls and transmit/receive data. WiFi is based on the data connection of local network nodes, and Bluetooth is used for close-range data transmission.
2G to 3G, 3G to 4G LTE upgrade is an improvement of communication technology standards, but the future 4G to 5G is not so simple.
The industry plans to enter the 5G era in 2020. However, South Korea has already planned to try out 5G networks at the PyeongChang Winter Olympics in 2018. It seems that 5G is coming to us, and the steps are not too small.
However, 5G is not just a simple high-speed communication technology. Some people in the industry have already taken action and want to make 5G a wireless standard for the future. If this idea comes true, we will not see so many messy names in the future, and 5G technology will dominate the rivers and lakes.
This idea sounds great, but is it really feasible? Now when we walk into the building or underground (parking, subway, etc.), the phone sometimes has no signal, but fortunately these places deploy other wireless networks, such as WiFi. Wouldn't it be better to answer the call normally via WiFi? In fact, some countries have already opened this service. For example, the UK's largest 4G operator EE has already opened WiFi phone service in the London Underground. Just connect your phone to the subway's WiFi network and you can make/receive calls as you normally would.
From here we can clearly see that WiFi and 4G LTE have begun to merge, and we can reach the above conclusions in daily data usage. Many people have a lot of 4G traffic and have a lot of traffic.
If 5G can combine data communication and WiFi into one standard at the same time, then it would be better, but it is not perfect. First of all, different frequency bands require different paths, and the 5GHz WiFi and 800MHz frequency bands can be different by 100,000 miles. Can we really integrate the two together? Or are we simply linking the two together?
Secondly, even if we find a way to integrate in the latest technology, what should we do with those old technologies? There are so many standards, I am afraid that the possibility of integration is very small.
Different markets, different priorities
Any wireless technology can be quantified in four ways: range, power, throughput, and CPU usage. 4G LTE can provide high data throughput on a large scale, while WiFi is used in a small range. Bluetooth LE (Low Power Bluetooth) has limited application due to its low power.
Richard Edgar is the head of communications technology at ImaginaTIon; the company is also an important player in the development of 5G technology and recently joined the 5G Innovation Center (5GIC) at the University of Surrey, with the goal of developing a highly scalable, New technology that is easy to deploy.
Does this mean that Richard supports the 5G standard to control the rivers and lakes? The answer is no. As mentioned before, Richard also realized that the new and old network technology standards have different uses. The main development field of wireless technology in the next decade may not be 5G technology, but the emerging Internet of Things (IoT).
It's not easy to find a suitable wireless solution for the Internet of Things, so that a battery can power the device for a year. Therefore, it is necessary to tailor a set of solutions for the Internet of Things. More importantly, the program has to adapt to the existing consumer market and various agreements. After all, the cost of rebuilding these ubiquitous things is too high.
The future of 5G
Even if 5G technology lasts in the same way, from everything from low-power IoT devices to high-speed networks, many standards will continue to survive and continue to shine.
Have you heard about MP3 right? Do you know what its full name is? Its full name is MPEG-2 Audio Layer III, a standard of the Moving Picture Experts Group (MPEG), originally part of MPEG-1, and then extended to the MPEG-2 standard, and MPEG-2 is the basis of DVD. Although still in use today, new standards such as H.264 and H.265/HEVC have begun to slowly replace it. However, MP3 will survive for a long time, and it will continue to exist even if the MPEG-2 standard is completely destroyed.
MP3 is mentioned because it is a small part of a huge standard, and it has taken a different path in the case of this standard downhill. There are many such examples in the world of technology.
If 5G really becomes a master of all kinds of standards, then some old standards will go extinct, but some will find their own use. Consumers' tastes change quickly, and maybe they won't care which standard you use in the future. As long as the product is great, the price is more appropriate, consumers will pay. The success of 5G in the cellular network is a matter of course, but when it comes to other parts, it is still too early to make a conclusion.
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