Over the past three decades, mobile networks have undergone innovations over and over again, and a new generation of mobile technology has been born almost every decade, bringing a leap in efficiency and experience. In the 1G era, people were freed from landlines, 2G improved call quality, 3G introduced mobile broadband for the first time, and 4G brought faster and more stable mobile broadband. So what 5G will bring us surprises? All of this has to start with the 5G application scenario. Simply put, the 5G application scenarios can be broadly divided into three categories: enhanced mobile broadband, mission-critical services, and massive Internet of Things.
The 5G network brings us an experience boost, the most intuitive of which is enhanced mobile broadband. This enhancement is mainly reflected in the stronger signal and faster network speed. Thanks to the adoption of a series of new technologies, 5G will cover the signal to a more remote corner. Today we often lose the underground parking lot and subway, and in the 5G era, we will receive stable signal coverage. Equally encouraging is the tremendous increase in speed. The 5G theoretical downlink peak rate will exceed 10Gbps, and the actual experience rate can reach 1Gbps, which is about 10 times that of 4G. At this rate, downloading a high-definition movie is only in the blink of an eye. As for the online games such as "Glory of the King", 5G is even more important.
In addition, 5G will significantly increase network capacity. I believe that many fans should have such experience: watching a ball in a large stadium, want to share a photo of a live score in a circle of friends, often take several times to upload. This is because the bandwidth of the mobile network is limited, and the excessive concentration of upload and download in the same area will inevitably lead to a reduction in the bandwidth allocated to each person. This is like separating a lot of small water pipes from a water pipe. The more water pipes, the less water there is. The 5G enhanced mobile broadband will widen the water pipe by a factor of 100, which will significantly enhance the network experience of densely populated areas such as commercial office buildings, stadiums, and major streets.
Critical business control
In addition, 5G has a welcome improvement in support for high reliability, ultra low latency applications and the construction of widely available high security networks. So what does this mean for us? Taking the most popular UAVs as an example, the reliability of mobile networks is critical to the operation of drones, especially when avoiding obstacles. Excessive delays are detrimental to the safety of drones. In addition, the self-driving cars that are still in the extensive testing stage will gradually become popular in the future. For high-speed cars and complex traffic conditions, the extremely low latency of the mobile network is particularly important, because in the emergency, one second earlier. Get valuable time for the safety of people and vehicles. Compared with 4G, 5G will reduce the delay to less than 1 millisecond. The high-speed and stable mobile network will pave the way for the future application of drones, autonomous vehicles and smart grids.
5G A transformative feature is to promote the realization of massive Internet of Things, that is, "Internet of Everything", from cars to drones, from refrigerators to televisions, and even every street lamp, every water meter will pass 5G network and " Everything is connected." Artificial intelligence speakers and smart routers that are still unknown today may become the control center of your home Internet of Things in the future. You can let it open any light in your home, even if you are out, you can control the washing machine to control the washing machine, or plan the sweeping line of the sweeping robot.
In addition to smart homes, the massive IoT can connect almost everything you can imagine. By 2025, 5G massive IoT services will connect tens of billions of devices and more than 7 billion people worldwide.
According to the 3GPP's plan, the 5G Global Unified Standard (Release 14) will be released as early as 2018, and the global commercial deployment based on this standard began in 2019. In other words, as soon as more than a year, we can enjoy the ultimate mobile network experience brought by 5G.
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