Transcription of 5G Overview: Key Technologies - IT Today
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5G Overview: Key Technologies - IT Today
Chapter 2. 5g overview : Key Technologies Meisam Khalil Arjmandi Contents Why 5G?..19. What is 5G?..24. Applications for 5G Key Technology for 5G Conclusion and Future Why 5G? Before discussing the structure and characteristics of fifth generation (5G), it seems that the necessity for designing such a network should be clearly explained. Therefore, it is informative to review previous network generations. 1G is the first generation of wireless telephone technology, which provides a speed of up to Kbps. The voice calls provided by this network are limited to one country and the network is based on using an analog signal. There are many pitfalls with 1G, such as poor voice quality, poor battery life, large phone size, limited capacity, and poor hand-off reliability. The second generation is 2G, which is based on the global system for mobile communication (GSM).
5G Overview: Key Technologies 23 To achieve these goals, the 5G network must have the following characteristics: (1) it should be highly flexible and intelligent; (2) it should have a significant spec-
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