Huawei is also one of the top mobile phone brands in China. Now the news that 5g code is adopted has put the topic of "5g" on the forefront of the wave. 5g seems to be coming. What changes can 5g bring to people? So why does Huawei's 5g control code have such an impact? What is the significance of Huawei 5g control code? Come and have a look with Xiaobian.
During this period, the news that Huawei's polar code scheme has become the final scheme of embB scene coding for 5g control channel has aroused hot discussion among many insiders and been reported by many media.
Although many consumers feel confused when they see these technical terms, we all know that the conclusion of this news is that it shows the rise of China's communication and the rising international status.
So what is Huawei's polar code solution? Why is it so influential? What is 5g? How can it affect the world? Let's talk about these problems today.
What is 5g?
I believe you are very familiar with the parameters of mobile phones to support the 2G, 3G and 4G networks of China Mobile, and 5g is their next generation. G is the abbreviation of the English word "generation", which can be understood as "generation", and 5g is the meaning of the fifth generation of mobile communication technology.
What is Huawei's polar code solution? What's the point?
HUAWEI Polar Code is a channel coding scheme of 5G short code block. It defeated the LDPC scheme of the United States and the Turbo2.0 scheme of France in the 3GPP RAN1 #87 conference held in Reno of the United States from November 14th to 18 this year, becoming the final scheme of 5G control channel eMBB scene coding.
What is the embB scenario?
Three scenarios of 5g are defined in 3GPP meeting: embB, mmtc and urllc.
EmbB: large flow mobile broadband services such as 3D / Ultra HD video;
Mmtc: large scale Internet of things business;
Urllc: such as unmanned driving, industrial automation and other services requiring low delay and high reliable connection.
In 5g embB scenario, Huawei polar becomes the coding scheme for uplink and downlink of control channel, while the uplink and downlink short code schemes of data channel belong to high pass LDPC code.
Simply put: Huawei polar code can be understood as a coding scheme of control channel under 5g technology.
I'm sure you know that Huawei's "victory" does not mean that it won the 5g era. It just adopted a coding scheme in one of the 5g application scenarios, followed by the battle between the channel coding schemes in the urllc scenario and the mmtc scenario. However, the adoption of the polar code laid the foundation for Huawei's subsequent voice, which is of great significance.
In the past, all communication technologies in the era of 2G and 3G were monopolized by Qualcomm and Ericsson, and domestic manufacturers always have to act on their faces. This time, Huawei's coding scheme was adopted, which means that the era of Qualcomm's monopoly is officially over, China's communication technology has risen, and the international position is improving.
What changes can 5g bring?
This time, the news that Huawei 5g code was adopted put the topic of "5g" on the cusp of the storm. 4G didn't become popular for a long time, and 5g seems to be coming, so what changes can 5g bring to people? Do we really need 5g?
According to the technical development of mobile communication network, it is necessary. There has been such a segment on the network:
A uncle went to the business hall to apply for a card and asked the salesman, 'what's good about this 4G? Uncle, 2G can read novels, 3G can see pictures and 4G can watch videos. 'girl, please tell me something uncle can't understand. Who is cangjingkong? You'd better get me a 4G card quickly!
So if it's 5g, it's not as simple as watching video. According to the current research on 5g technology in various countries, it has the following advantages:
Fast speed, wide coverage and large flow
The peak speed of 5g technology will increase by tens of times, from 100MB / s of 4G to tens of GB / s, which means that more than 10 large island countries can be downloaded in one second; in addition, its coverage will become wider, and weak signal places such as underground shopping malls and remote areas can be easily connected to the network; moreover, it can meet multi device connection, and one square kilometer can access 1 million devices at the same time.
Low cost
5g technology can make use of more spectrum resources. The available resources are rich, and the cost will be reduced naturally. Maybe one day, 1g traffic only needs 10 cents. Li Zhengmao, vice president of China Mobile, once pointed out that communication equipment will also decline synchronously in response to the decrease of data transmission cost in the 5g era. He said:
In the era of 4G to 5g, the transmission cost per unit bit has been reduced by 1000 times, so we also hope that the price of telecommunication equipment has also been reduced by 1000 times. Cost is the key to determine whether operators can make profits in the data age.
Unified standard
Different from the coexistence of multiple standards in the 3G and 4G era, 5g is expected to achieve a global unified standard, which means that as long as the mobile phone supports 5g, the mobile card of any operator can be used, and it is not necessary to worry about which version of Apple mobile phone does not support which network in the future. Of course, this also makes the mobile phone manufacturers do not need to do network adaptation of different operators, and the manufacturing cost is reduced to a certain extent.
The popularity of 5g is the arrival of the era of real Internet of things
5g technology not only has the advantages of high speed, wide coverage and large traffic mentioned above, but also has the advantages of low delay and low power consumption. This combination of advantages will form the era of the real Internet of things.
In the past, in the 3G and 4G era, people and information were connected. 5g connected objects. Because of the advantages of 5g, it can easily realize the interconnection of everything and better use of cloud services. Just like Google's product based on the concept of cloud, chromebook, our equipment no longer needs too strong computing performance. The terminal is only responsible for receiving and sending signals, and the data operation is completed on the server.
The advantage of low delay can also make the Internet of vehicles technology better application. It can connect each vehicle through the network, and the equipment can get the road environment and navigation information from each other, so as to analyze the data and predict the road conditions in real time. It is not difficult to realize driverless driving by using big data and artificial intelligence.
As mentioned in the above paragraph, 2G can watch novels, 3G pictures and 4G videos, so 5g can easily watch panoramic videos or VR videos or even VR games online on mobile devices. Due to the significant increase of transmission speed, VR devices fundamentally solve the shackles of the line, perhaps that's when the era of VR / AR officially comes.
When will the 5g era come?
In 2016, 5g technology standard research was launched in China, the first standard is expected to be completed in 2018, and commercial start-up time will be determined around 2020.
In addition, the channel coding scheme in the embB scenario has been determined at the 3GPP RAN1 ා 87 conference from the 14th to the 18th of this month. Next, the channel coding scheme in the urllc scenario and the mmtc scenario will be completed in the first quarter of 2017. According to such development progress, 5g technology is likely to start commercial use internationally in 2020.
In summary, the 5g era is not far away from people. After this day, human life will change dramatically, and the Internet of things, cloud services, big data, artificial intelligence, etc. will be better reflected.