Table 2 Simulation parameter setting for compressive OFDM system
Key parameters at transmitter | Key parameters at receiver | ||
|---|---|---|---|
Subcarrier number | 256 | Extrapolation filter | \(\delta /\omega =1\) |
Compressed ratio (\(\alpha\)) | 0.5–0.9 | Maximum iteration | 100 |
Truncated mode | Front | Regularized parameter (\(\tau\)) | \(10^{-5},10^{-6},10^{-7}\) |
Up-sampled times | 8 | Relaxation coefficient (\(\mu\)) | \(5\times 10^{-3}\) |