1G, 2G, 3G, 4G, 5G historical development and definition
Modern life is inseparable from mobile communication. From the generation, transmission, and reception of information, there are countless flashes of wisdom behind network communication. The evolution from 1G to 5G has changed one scene after another. The rivers and lakes disputes over the communication standards behind it are also turbulent and fiercely abnormal, and finally have a magnificent history of mobile communication.
The advent of smart phones has not only driven the rise of mobile generations, but also accelerated the innovation of communication technology. In the past few years, the increase in data transmission rates has allowed users to enjoy new high-speed mobile network experiences. , And jumped into the research theme of industry, government, academic research and other units. However, most people's perception of 4G and even 5G is that mobile phones can access the Internet faster. They do not understand the scientific meaning behind this article. This article will discuss the mobile phone generations of different communication generations.
The generation of mobile phones
We often hear advertisements saying: 4G LTE, where G stands for "Generation" and 4G stands for 4th Generation, to distinguish it from the previous 2G (3G) and 3G (3G) mobile phones Let ’s take the European system with the highest market share in the world as an example. This is also the system currently used in Taiwan: cut in perspective and guide readers step by step through the principles behind these technologies
1G: The first generation, 1G, is called the "voice age", which is simply the "big brother" era. The technology used is analog communication systems.
2G: The GSM system only supports the line-switched voice channel. It mainly uses the voice channel to make phone calls and send short messages. The GPRS system supports packet switching and can access the Internet. However, because the voice channel is used to transmit data packets, the Internet speed is very slow.
3G: The UMTS system supports packet switching and can access the Internet at a faster speed. Since 3G mobile phones support 2G at the same time, when we use 3G mobile phones to talk or send text messages, we actually use the GSM system's voice channel to complete it.
4G: The LTE / LTE-A system supports packet switching and can access the Internet at a faster speed. Since 4G mobile phones mostly support 3G and 2G at the same time, they will still use the UMTS base station to access the Internet when the mobile phone cannot find the LTE base station. Phone or text messaging is still done using the voice channel of the GSM system
5G: Known as the `` Internet of Things '', it is a variety of new wireless access technologies and existing evolved technologies.The general term for integrated solutions is the convergence of communication technology and the Internet in the true sense. It is "fast". It only takes 1 second to download a high-definition movie.In addition, the industry generally believes that 5G will strongly promote the development of IoT technologies such as VR and driverless cars. Many people think that 4G is fast and smart. 5G What else could be amazing? Don't let 4G imprison your imagination, the progress of mobile communication will bring world-wide changes. And 5g router will be the main bridge to the era of high-tech communication.