(1) High speed
Network speed is increased so that the user experience and feeling can be improved, the network can face VR/Ultra HD business without restriction, and the business that requires high network speed can be widely promoted and used, which means that the user can download a high-definition movie every second, and may also support VR video.
(2) Ubiquitous Network
With the development of services, network services need to be ubiquitous and widely available. Only then can it support richer services and be used on complex scenarios. The ubiquitous network provides impact at both the broad coverage and deep coverage levels.
Broad means that everywhere we live in society, we need broad coverage, and if we cover 5G, we can deploy a large number of sensors for monitoring the environment, air quality, and even changes in landforms and earthquakes, which will be very valuable.
Vertical depth refers to the fact that although there is already a network deployment, but the need to go into a higher quality depth of coverage. 5G's arrival can put the previous poor network quality of the bathroom, underground parking garage, etc. are widely covered with a very good 5G network.
To a certain extent, the ubiquitous network is more important than high speed, just build a few places coverage, high speed network, does not guarantee the 5G service and experience, and the ubiquitous network is the 5G experience is a fundamental guarantee.
(3) low power consumption
5G to support large-scale IoT applications, it is necessary to have power consumption requirements. Over the years, wearable products have had some development, but encountered many bottlenecks, the biggest bottleneck is the poor experience. Nowadays, all IoT products require communication and energy, and although communication can be realized through a variety of means, the supply of energy can only rely on batteries. The communication process that consumes a lot of energy makes it difficult for IoT products to be widely accepted by users. If the power consumption can be reduced, it will greatly improve the user experience and promote the rapid popularization of IoT products.
(4) Low latency
A new scenario for 5G is highly reliable connectivity for unmanned driving and industrial automation. A delay of 140 milliseconds is acceptable for information exchange between people, but it is difficult to meet the requirements if this delay is used for unmanned driving and industrial automation.5G's minimum requirement for delay is 1 millisecond, or even lower.
Driverless cars, the need for a central control center and the car to be interconnected, the car and the car should also be interconnected, in the high-speed action, a brake, the need to instantly send the information to the car to respond to the time of 100 milliseconds or so, the car will be rushed out of the dozens of meters, which will need the shortest delay in the shortest possible delay, the information sent to the car, braking and car control response.
This is especially true of unmanned aircraft. If hundreds of unmanned formation flight, a very small deviation can lead to collisions and accidents, which requires a very small delay in the information to the unmanned aircraft in flight. In the process of industrial automation, the operation of a robotic arm, if it is to be extremely refined to ensure high quality and precision of work, also requires a very small time delay, the most timely response. These characteristics, in the traditional human-to-human communication, or even human-to-machine communication, the requirements are not so high, because the human response is slower, and do not need the machine so high efficiency and refinement. And whether it is unmanned aircraft, unmanned cars or industrial automation, are running at high speeds, but also need to ensure timely information transfer and timely response in high speeds, which puts forward extremely high requirements for latency.
(5) Internet of Everything
Traditional communications, the terminal is very limited, fixed-line telephone era, the phone is defined by the crowd. And in the era of cell phones, there was a huge explosion in the number of terminals, and cell phones were defined by individual applications. In the 5G era, terminals are not defined by people, because each person may have several, and each family may have several terminals.
(6) Reconfiguration of security
The traditional Internet is to solve the problem of information speed, unimpeded transmission, freedom, openness, **** enjoyment is the basic spirit of the Internet, but built on the basis of 5G is the intelligent Internet. Intelligent Internet is not only to realize the transmission of information, but also to establish a new mechanism and a new system of society and life. The basic spirit of intelligent Internet is security, management, efficiency and convenience. In the network construction of 5G, the security problem should be solved in the bottom layer, from the beginning of the network construction, the security mechanism should be added, the information should be encrypted, the network is not supposed to be open, and a special security mechanism needs to be established for special services.
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