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The era of 5G is coming soon, and now online is rumored that 2G networks will also face retreat. 2G is already an old antique, but one of the technologies is very attractive to people, that is the GSM network, what is its role? 2G exits the network, the GSM network will also be abandoned, what effect will GSM retreat?
Today's smartphones are able to achieve smooth Internet access, video viewing, remote voice and other functions, in addition to the continuous innovation of mobile phone baseband chip technology, as well as the tremendous progress of operators' network standards. 2G network calls, 3G network can access the Internet, 4G network can watch video, with the continuous improvement of the network standard, the mobile phone function has also undergone earth-shaking changes. Nowadays, with the 4G network almost all over the country, various operators and carriers have begun to actively deploy 5G, and want to further expand the network system.
The operator's efforts are worth encouraging, but there is news that with the gradual coming of the 5G era, the 2G network (GSM) will slowly retreat. In this regard, people in the communications industry have expressed their different views, and the most important thing is to understand the impact of the 2G network after the retreat will affect the user's future communications.
What is the role of GSM?Now that it is the 4G era, it is reasonable to say that 2G is already an old antique, but why has it not been abandoned? This is a detailed analysis of the role of the GSM network.
As we all know, there is no 1G network in our country. The network standard is officially opened from 2G, and the biggest role of 2G network is to undertake a large number of voice services and a large number of short message services for mobile users. Therefore, in the early days, we were able to use the function machine to make phone calls and text messages smoothly, because of the support of 2G networks.
It is reported that the 2G network at that time was able to achieve part of the Internet function, but in the memory of 5Giii, the function machine at that time did not seem to see it except calling, texting, playing a few Tetris and Snakes. The place to connect to the network. In addition, in the case of scarce network resources at the time, I believe that the traffic charges at that time will certainly be very expensive.
The arrival of the 3G era really began to achieve universal access to the Internet. Although the 3G era has been upgraded much more than the 2G era network, users still need to rely on 2G networks when making calls and texting. 3G can only guarantee normal Internet access. 2G is still the backbone of voice services and SMS services.
Even if the 4G network came out later, and it allowed everyone to watch the video smoothly, the user still used the 2G network when making calls and texting. In this way, as long as the user needs to make a phone call or send a text message, the 2G network cannot be lacking. Although the Internet business's OTT service can replace the operator's voice and SMS services, once the network coverage is not available, users can't use WeChat, QQ and other tools and want to contact others, it can be difficult.
So even if the current 4G network is already very good, the 5G network has been coming big, and this 2G network is not easily thrown away. It's hard to imagine what it would be like to use a mobile phone to send WeChat, QQ voice video but not to make a phone call or send a text message.
However, some people have expressed their intention to rebut that once the operator builds the VoLTE service, there is no need to return to the 2G network when making a call. Usually, when you chat with WeChat, the data network will be dropped, but after using VoLTE, you can talk to WeChat while you are on the phone.
According to 5Giii, only China Mobile has used its own VoLTE service, and has not yet fully implemented its openness. Unicom and Telecom have not caused any splashes. Therefore, 5Giii believes that operators want to implement a comprehensive VoLTE service. Opening up will take at least five years, and in the next five years, 2G business is unlikely to be withdrawn.
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