Downlink Physical Signals

5G NR primary and secondary synchronization signals, channel state and demodulation reference signals

Primary and secondary downlink synchronization signals are used by the user equipment (UE) to obtain the cell identity and frame timing. The UE uses physical signals such as channel state information reference signals (CSI-RS) and demodulation reference signals (DM-RS) to aid channel estimation and to support measurements.

Functions

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Synchronization Signals

`nrPSS`	Generate PSS symbols
`nrPSSIndices`	Generate PSS resource element indices
`nrSSS`	Generate SSS symbols
`nrSSSIndices`	Generate SSS resource element indices

Demodulation Reference Signals

`nrPBCHDMRS`	Generate PBCH DM-RS symbols
`nrPBCHDMRSIndices`	Generate PBCH DM-RS resource element indices

Channel State Information Reference Signal

`nrCSIRS`	Generate CSI-RS symbols
`nrCSIRSIndices`	Generate CSI-RS resource element indices
`nrCSIRSConfig`	CSI-RS configuration parameters

Carrier Configuration

nrCarrierConfig Carrier configuration parameters

Topics

Synchronization Signal Blocks and Bursts

Generate multiple 5G NR synchronization signal blocks (SSBs) to form a synchronization signal burst (SS burst).

NR Channel Estimation Using CSI-RS

Perform channel estimation using CSI-RS symbols and indices mapped into a carrier resource grid.