Table 1 Transmission modes supported by the blueSPACE ARoF BBU and corresponding signal and DSP parameters
Mode | Numerology (\(\mu\)) | Subcarrier spacing [kHz] | FFT size | Sampling frequency [MHz] | Slots/sub-frame | Slot duration [\(\upmu \hbox {s}\)] | Max. num of active subcarriers | Max. bandwidth [MHz] | Theoretical max. Bitrate [Mbit/s] | Modulation formats |
|---|---|---|---|---|---|---|---|---|---|---|
M2 | 2 | 60 | 4096 | 245.76 | 4 | 250 | 3168 | 190.08 | 1419.3 | QPSK, 16QAM, 64QAM, 256QAM |
M2E | 2 | 60 | 4096 | 245.76 | 4 | 250 | 3168 | 190.08 | 1216.5 | |
M3 | 3 | 120 | 4096 | 491.52 | 8 | 125 | 3168 | 380.16 | 2838.5 | |
M4 | 4 | 240 | 2048 | 491.52 | 16 | 62.5 | 1584 | 380.16 | 2838.5 | |
M4bS\(^{*}\) | 4 | 240 | 4096 | 983.04 | 16 | 62.5 | 3168 | 760.32 | 5677.1 |