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).
| Property | LTE | 5Gto10G |
| Channel BW [MHz] | 20 | 31.25 | 125 | 500 | 1000 | Subframe length [ms] | 1 | 0.1 | 0.1 | 0.1 | 0.1 | Sampling frequency [MHz] | 30.72 | 30.72 | 122.88 | 491.52 | 983.04 | FFT size | 2048 | 256 | 1024 | 4096 | 8192 | Subcarrier spacing [kHz] | 15 | 120 | 120 | 120 | 120 | Occupied subcarriers | 1201 | 234 | 938 | 3750 | 7500 | Guard subcarriers | 847 | 22 | 86 | 346 | 692 | Occupied bandwidth [MHz] | 18.015 | 28 | 113 | 450 | 900 | DL BW efficiency | 90% | 89.9% | 90% | 90% | 90% | OFDM symbols/subframe | 7 | 11 | 11 | 11 | 11 | Symbol duration excl. CP [s] | 66.7 | 8.33 | 8.33 | 8.33 | 8.33 | CP duration [s] | 5.2/4.69 | 0.5 | 0.5 | 0.5 | 0.5 | Data rate on full BW Min … Max [Mbps] | | 13 … 3,391 | 53 … 13,592 | 211 … 54,340 | 422 … 108,680 |
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