Table 1 Summary of method 1 based DMRS waveform generation
From: Low PAPR reference signal transceiver design for 3GPP 5G NR uplink
Port | Time domain DMRS | Spectrum shaping filter | Freq domain DMRS |
|---|---|---|---|
0 | \({\tilde {r}}_{t}^{p} (n)=\mathbf {P}\mathbf {r}_{t}\left (n\hspace {-5pt} \mod \frac {M}{2}\right)\) | wf=DMwt | \(\mathbf {D}_{M} {\tilde {r}}_{t}^{p}\mathbf {\Huge {.}}\mathbf {w}_{f}\) |
1 | \({\tilde {r}}_{t}^{p} (n)=\mathbf {T}\mathbf {P}\mathbf {r}_{t}\left (n\hspace {-5pt} \mod \frac {M}{2}\right)\) | wf=ZDMwt | \(\mathbf {D}_{M} {\tilde {r}}_{t}^{p}\mathbf {\Huge {.}}\mathbf {w}_{f}\) |