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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 \(\mathbf {D}_{M} {\tilde {r}}_{t}^{p}\mathbf {\Huge {.}}\mathbf {w}_{f}\)