At present, under the 5G environment, the physical composition of each device of the Internet, communication technology components are still in the research stage,cellular module today to lead you to understand the basic terminology of communication.

Wired technology

Through the wiring system, user terminals are connected to the backbone line to complete the reception and sending of user information.lte module From the beginning of the ordinary modem technology (to provide 33.6kbit/s or 56kbit/s data transmission rate) to ADSL (downstream rate of up to 1.5Mbps, upstream of up to 512Kbps) currently used on a large scale is the Ethernet technology (Ethernet to establish a 1000M Ethernet as a backbone network, the realization of 1000M Ethernet to the building (Ethernet establishes 1000M Ethernet as the backbone network, realizing 1000M Ethernet to the building, the roadside, and the neighborhood).

Wireless technology

Wireless LAN (WLAN) is a technology that utilizes radio waves as a medium for information transmission. The speed of transmission varies depending on the frequency band.

Cellular Network

Cellular network is a mobile communication hardware architecture that is divided into analog cellular network and digital cellular network. This is because the network coverage signal covering each communication base station is hexagonal. The types of cellular networks are: GSM networks, CDMA networks, 3G networks, 4G networks, etc. The main components are mobile stations, base stations, and cell phones. The main components are mobile stations, base station subsystems and network subsystems. Mobile stations are network terminals such as cellular phones or some cellular industrial control devices. These base station subsystems include mobile base stations (large towers) and wireless transceivers. A base station subsystem is a converter between a wireless network and a wired network.

The widespread use of cellular networks stems from a mathematical conclusion that covering a plane with circles of the same radius uses the least number of circles when the center of the circle is at the center of each square hexagon of a square hexagonal grid, i.e., when the center of the circle is at a grid point of a square triangular grid. While covering the largest area using a graph with the least number of nodes is still an open and unknown problem to be solved, even if nodes are required to be on a grid with translational properties like a lattice, the use of circles in communication to express practical needs is usually justified so that a regular triangular mesh or simple hexagonal mesh is the best choice in order to save on the cost of building the equipment. The network thus formed covers together and is shaped like a honeycomb, hence the name cellular network.

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