PDSCH DM-RS
Channel estimation using PDSCH DM-RS.
blockType: PDSCHDMRS
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Path in the library: |
Description
Block PDSCH DM-RS performs channel and noise estimation using PDSCH DM-RS. Defines a grid of reference resources in PDSCH DM-RS.
Ports
Entrance
PDSCHInd — indexes of resource elements of the pass demodulation signal:q[<br>] matrix
Indexes of the resource elements of the demodulation signal.
Data type: Int64
PDSCHSym — symbols of the pass demodulation reference signal:q[<br>] matrix
The demodulation reference signal symbols returned as a complex matrix.
Data type: ComplexF64
SSBInd — MIB information and parameters for the pass block:q[<br>] vector
The MIB information and parameters for the block (the NID structure and the ncelid cell identifier) in the form of a vector with integer values.
Data type: Int64
ResGrid is a demodulated signal in the form of a complex matrix
matrix
The demodulated signal returned as a complex matrix.
Data type: ComplexF64
Output
ChEst — estimated information about the pass channel:q[<br>] matrix
Estimated information about the channel in the form of a complex matrix.
Data type: ComplexF64
NoisEst — estimated information about noise dispersion
positive scalar
Estimated information about the noise dispersion.
Data type: Float64
Parameters
Main
Block Pattern — ID of the pass frequency range:q[<br>] Case A | Case B (default) | Case C | Case D | Case E
For the 5G standard, the frequency range used is specified in the documentation.
| Frequency range designation | Frequency range |
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FR1: |
410 MHz – 7125 MHz |
FR2: |
24250 MHz – 52600 MHz |
Block parameter |
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Values |
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By default |
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Subcarrier spacing (kHz) — distance between subcarriers in kHz
15(default) | 30 | 60 | 120
The distance between subcarriers in kHz for all channels and carrier reference signals.
The values to select are 15 or 30 for FR1, 60 or 120 for FR2.
Block parameter |
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Values |
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By default |
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Minimum channel bandwidth for the NRb (MHz) — setting the minimum channel bandwidth for the NR pass range:q[<br>] 5 MHz (default) | 10 MHz | 40 MHz
Setting the minimum channel bandwidth for the NR band.
Block parameter |
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Values |
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By default |
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