5 Questions
What is the maximum user experienced data rate in urban/suburban areas?
100 Mbps
What is the main idea behind OFDM?
To divide data stream into parallel streams with reduced data rate
What is the main problem with OFDM related to spectrum overflow?
It needs guard bands to prevent spectrum overflow
What is the new radio multiplexing technology that divides the band into multiple sub-bands, each using different OFDM parameters?
Spectrum Filtered OFDM (f-OFDM)
What is the maximum peak data rate per user under ideal conditions for mobiles?
10 Gbps
Study Notes
5G Technology
- The maximum user-experienced data rate in urban/suburban areas is 1 Gbps.
Orthogonal Frequency Division Multiplexing (OFDM)
- The main idea behind OFDM is to divide a high-rate data stream into multiple low-rate streams, modulating each stream on a separate subcarrier, and transmitting them simultaneously over the same channel.
- The main problem with OFDM is spectrum overflow, where the signals from adjacent subcarriers interfere with each other.
New Radio Multiplexing Technology
- The new radio multiplexing technology divides the band into multiple sub-bands, each using different OFDM parameters.
Peak Data Rate
- The maximum peak data rate per user under ideal conditions for mobiles is 20 Gbps.
Test your knowledge of 5G network performance metrics including peak data rate, user experienced data rate, latency, mobility, connection density, energy efficiency, and spectrum efficiency.
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