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This is a short-range direct data transmission technique based on cellular systems. Data for device-to-device communication (d2d) sessions are transmitted directly between terminals without being forwarded by the base station.

The associated control signaling 5G 上網 Uch is still the responsibility of the cellular network for session establishment, maintenance, radio resource allocation and billing, authentication, labeling, and mobility management.

In cellular networks, D2D communication can reduce the burden on base stations, reduce end-to-end transmission delays, improve spectrum efficiency, and reduce terminal transmit power.

When the wireless communication infrastructure is damaged, or in the dead zone of wireless network coverage, terminals can achieve end-to-end communication or even access the cellular network through D2D. In 5G networks, D2D communication can be deployed in both licensed and unlicensed frequency bands.

Edge Computing

An open platform with core networking, computing, storage, and application functions on the side close to the object or data source provides near-side services. Its applications are launched at the edge, enabling faster response times for network services

It meets the industry's fundamental needs for real-time business, application intelligence, security and privacy protection. To achieve low latency in 5g, if data is stored in the cloud and on the server side, commands are sent to the terminal.

Then the commands are sent to the terminal and it cannot achieve low latency. The edge calculation is to build up the calculation and storage capacity at the base station to complete the calculation and issue instructions in the shortest possible time.

5G is a complex system. The network built on 5G will not only increase the speed of the network, but also put more demands on it.

In the future, the terminals in the 5G network will not only be cell phones, but also cars, drones, home appliances, public service equipment and other devices.

5G will become an important driving factor for social progress, industry promotion and economic development.

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5Gの知識を深め、5Gネットワークをよりよく活用するための5Gの3つのキーテクノロジー

5Gネットワークには、先進的な新しい無線技術が含まれている!

Two major communication technologies for 5G networks!

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