write a short note on 3g 4g and 5g generation of cell phone technology
Answers
Simply, the "G" stands for "GENERATION". While connected to the internet, the speed of the connection depends upon the signal strength that is shown in abbreviations like 2G, 3G, and 4G, etc. on any mobile device. Each generation of wireless broadband is defined as a set of telephone network standards that describe the technological implementation of the system.
The aim of wireless communication is to provide high quality, reliable communication just like wired communication and each new generation represents a big leap in that direction. Mobile communication has become more popular in the last few years due to fast reform in mobile technology. For the comparison of 2G, 3G, 4G, and 5G we first need to understand the key features of all these technologies.
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Answer:
3G Networks
The advent of a 3G network with more data, video calling and mobile internet began in 1998. What we may now consider a “slow” network in many large municipalities was the height of technology until 4G came along. 3G networks reach 2mbps on stationary or non-moving devices and 384kbps on devices in moving vehicles.
4G Networks
4G, or the current standard of cellular networks, was released in the late 2000s and is 500 times faster than 3G. It has been able to support high-definition mobile TV, video conferencing and much more. When a device is moving, as when you are walking with your phone
in a car, the top speed can be 10s of mbps, and when the device is stationary, it can be 100s of mbps. The 20MHz bandwidth sector has peak capacity of 400Mbps. However, since users are sharing available sector capacity among others, observable speed experiences by users are typically in 10s -100s of mbps.
As more people get access to mobile devices and the Internet of Things expands, as many as 24 billion devices are expected to need cellular network support by 2024. That’s where 5G comes in.
Key differences between 4G and 5G
One of the biggest differences in the Internet of Things.
Explanation:
between 4G and 5G will be peak capacity and latency. For example, peak capacity of 5G UWB sector is in gbps compared to 4G in mbps. Also, the latency, or the time that passes from the moment information is sent from a device until it is used by a receiver, will be greatly reduced on 5G networks, allowing for faster upload and download speeds. Another big difference between 4G and 5G is bandwidth size. 5G should be able to support many more devices of the future, in addition to the network demands of connected vehicles and other devices
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