PUSCH
More information can be found in TS36.211.
Details about Demodulation Reference Signal on PUSCH can be found in §5.5.2.1.2.
Details about Demodulation Reference Signal on PUCCH can be found in §5.5.2.2.2.
The reference signal sequence shall be multiplied with the amplitude scaling factor and mapped
resource elements. The resource element mapping shall be in increasing order of first k (subcarrier),
then l (symbol), and finally the slot number.