Communication | Single-carrier | Multi-carrier | |
---|---|---|---|
system | Â | Â | |
SISO | |||
Multiple | Â | ||
antenna | Â | Â | Â |
Cooperative | AF-OWRN | Â | |
 | TWRN | [465] |  |
Multiuser/ | SC-FDMA uplink | [466] | |
multicell | Â | Â | Â |
 | OFDMA uplink |  | |
 | CDMA |  | [473] |
 | Cognitive radio | [474] | |
 | Distributed |  | [480] |
 | multiuser |  |  |
 | Multicell |  | |
 | interference |  |  |
Others | UWB | [483] | |
 | Spread spectrum | [484] | [485] |