PDSCH DM-RS

Channel evaluation using PDSCH DM-RS usage.

blockType: PDSCHDMRS

Path in the library:

/5G/PDSCH DM-RS

Description

Block PDSCH DM-RS performs channel and noise estimation usage of PDSCH DM-RS. Defines a grid of reference resources in PDSCH DM-RS.

Ports

Input

# PDSCHInd — indexes of demodulation signal resource elements
the matrix

Details

Indexes of the resource elements of the demodulation signal.

Data types	`Int64`
Complex numbers support	I don’t

# PDSCHSym — demodulation reference signal symbols
the matrix

Details

Demodulation reference signal symbols returned as a complex matrix.

Data types	`ComplexF64`
Complex numbers support	I don’t

# SSBInd — MIB information and parameters for the block
vector

Details

MIB information and parameters for the block (NID structure and ncelid cell identifier) in the form of a vector with integer values.

Data types	`Int64`
Complex numbers support	I don’t

# ResGrid — demodulated signal in the form of a complex matrix
the matrix

Details

The demodulated signal returned as a complex matrix.

Data types	`ComplexF64`
Complex numbers support	I don’t

Output

# ChEst — estimated information about the channel
the matrix

Details

Estimated information about the channel in the form of a complex matrix.

Data types	`ComplexF64`
Complex numbers support	I don’t

# NoiEst — estimated information about noise dispersion
positive scalar

Details

Estimated information about noise dispersion.

Data types	`Float64`
Complex numbers support	I don’t

Parameters

Main

# Block Pattern — id of the frequency range
Case A | Case B | Case C | Case D | Case E

Details

For the 5G standard, the frequency range used is specified in the documentation.

Frequency range designation Frequency range

Frequency range designation	Frequency range
FR1: `Case A`, `Case B`, `Case C`	`410` MHz – `7125` MHz
FR2: `Case D`, `Case E`	`24250` MHz – `52600` MHz

FR1: Case A, Case B, Case C

410 MHz – 7125 MHz

FR2: Case D, Case E

24250 MHz – 52600 MHz

Values	`Case A` \| `Case B` \| `Case C` \| `Case D` \| `Case E`
Default value	`Case B`
Program usage name	`BlockPattern`
Tunable	No
Evaluatable	No

# Subcarrier spacing (kHz) — the distance between subcarriers in kHz
15 | 30 | 60 | 120

Details

The distance between subcarriers in kHz for all channels and carrier reference signals.

Values to choose from: 15 or 30 for FR1, 60 or 120 for FR2.

Values	`15` \| `30` \| `60` \| `120`
Default value	`15`
Program usage name	`SubcarrierSpacingCommon`
Tunable	No
Evaluatable	No

# Minimum channel bandwidth for the NRb (MHz) — setting the minimum channel bandwidth for the NR band
5 | 10 | 40

Details

Setting the minimum channel bandwidth for the NR band.

Values	`5` \| `10` \| `40`
Default value	`5`
Program usage name	`MinChannelBW`
Tunable	No
Evaluatable	No

References

Glossary: Standard 5G