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Downlink Physical Channels

5G NR physical broadcast channel (PBCH), physical downlink shared channel (PDSCH), and physical downlink control channel (PDCCH)

Physical channels correspond to a set of time-frequency resources used for transmission of particular transport channel data, control information, or indicator information. Each transport channel data, control information, and indicator information is mapped to its corresponding physical channel. 5G Toolbox™ supports the following physical downlink channels.

Physical Channel	Description
PBCH — Physical broadcast channel	The PBCH carries encoded system information required by the user equipment (UE) to access the network. For an overview of the available broadcast channel coding functionalities, see Downlink Transport Channels.
PDSCH — Physical downlink shared channel	The PDSCH carries encoded user data and paging information to the UE. For an overview of the available downlink shared channel coding functionalities, see Downlink Transport Channels.
PDCCH — Physical downlink control channel	The PDCCH conveys encoded control information and scheduling decisions for PDSCH reception. For an overview of the available downlink control channel coding functionalities, see Downlink Control Information.

Functions

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Physical Broadcast Channel

`nrPBCH`	Generate PBCH modulation symbols
`nrPBCHIndices`	Generate PBCH resource element indices
`nrPBCHPRBS`	Generate PBCH scrambling sequence
`nrPBCHDecode`	Decode PBCH modulation symbols

Physical Downlink Shared Channel

`nrPDSCH`	Generate PDSCH modulation symbols
`nrPDSCHIndices`	Generate PDSCH resource element indices (Since R2020a)
`nrPDSCHConfig`	PDSCH configuration parameters (Since R2020a)
`nrPDSCHPrecode`	Precoding for PDSCH PRG bundling (Since R2023b)
`nrPRGInfo`	Precoding resource block group information (Since R2023b)
`nrPDSCHDecode`	Decode PDSCH modulation symbols
`nrPDSCHReservedConfig`	PDSCH reserved PRB configuration parameters (Since R2020a)
`nrPDSCHPRBS`	Generate PDSCH scrambling sequence
`nrPDSCHDMRS`	Generate PDSCH DM-RS symbols (Since R2020a)
`nrPDSCHDMRSIndices`	Generate PDSCH DM-RS indices (Since R2020a)
`nrPDSCHDMRSConfig`	PDSCH DM-RS configuration parameters (Since R2020a)
`nrPDSCHPTRS`	Generate PDSCH PT-RS symbols (Since R2020a)
`nrPDSCHPTRSIndices`	Generate PDSCH PT-RS Indices (Since R2020a)
`nrPDSCHPTRSConfig`	PDSCH PT-RS configuration parameters (Since R2020a)

Physical Downlink Control Channel

`nrPDCCH`	Generate PDCCH modulation symbols
`nrPDCCHResources`	Generate PDCCH and PDCCH DM-RS resources (Since R2020a)
`nrPDCCHSpace`	Generate PDCCH resources for all candidates and aggregation levels (Since R2020a)
`nrPDCCHConfig`	PDCCH configuration parameters (Since R2020a)
`nrCORESETConfig`	Control resource set (CORESET) configuration parameters (Since R2020a)
`nrSearchSpaceConfig`	Search space set configuration parameters (Since R2020a)
`nrPDCCHDecode`	Decode PDCCH modulation symbols
`nrPDCCHPRBS`	Generate PDCCH scrambling sequence

Carrier Configuration

`nrCarrierConfig`	Carrier configuration parameters (Since R2019b)
`nrResourceGrid`	Generate empty carrier slot resource grid (Since R2020b)

Topics

Map 5G Physical Channels and Signals to the Resource Grid
Generate and map 5G NR physical channels and signals to the resource grid using 5G Toolbox features.

Featured Examples

5G NR Downlink Vector Waveform Generation

Create mixed numerology DL waveforms containing SS burst, PDSCH, PDCCH, and CSI-RS.

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Downlink Control Processing and Procedures

Process blind search decoding of PDCCH for BWP and CORESET in 5G NR communications system.

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