Research Article

RF Driven 5G System Design for Centimeter Waves

Table 2

Physical layer signal parameters for 5G system concept (LTE values as a reference).

PropertyLTE5Gto10G

Channel BW [MHz]2031.251255001000
Subframe length [ms]10.10.10.10.1
Sampling frequency [MHz]30.7230.72122.88491.52983.04
FFT size2048256102440968192
Subcarrier spacing [kHz]15120120120120
Occupied subcarriers120123493837507500
Guard subcarriers8472286346692
Occupied bandwidth [MHz]18.01528113450900
DL BW efficiency90%89.9%90%90%90%
OFDM symbols/subframe711111111
Symbol duration excl. CP [s]66.78.338.338.338.33
CP duration [s]5.2/4.690.50.50.50.5
Data rate on full BW Min … Max [Mbps]13 … 3,39153 … 13,592211 … 54,340422 … 108,680