Transport Channel Subcomponents

CRC coding, code block segmentation, polar and LDPC coding, rate matching and recovery in 5G NR

Use 5G Toolbox™ low-level transport channel subcomponent functions to:

Perform cyclic redundancy check (CRC) encoding and decoding.
Perform polar encoding, decoding, rate matching, and rate recovery.
Perform low-density parity-check (LDPC) encoding, decoding, rate matching, and rate recovery.
Perform LDPC code block segmentation and desegmentation.

Functions

`nrCRCEncode`	Calculate and append cyclic redundancy check (CRC)
`nrCRCDecode`	Decode and remove cyclic redundancy check (CRC)
`nrLDPCEncode`	Low-density parity-check (LDPC) encoding
`nrLDPCDecode`	Low-density parity-check (LDPC) decoding
`nrRateMatchLDPC`	Low-density parity-check (LDPC) rate matching
`nrRateRecoverLDPC`	Low-density parity-check (LDPC) rate recovery
`nrPolarDecode`	Polar decoding
`nrPolarEncode`	Polar encoding
`nrRateMatchPolar`	Polar rate matching
`nrRateRecoverPolar`	Polar rate recovering
`nrCodeBlockSegmentLDPC`	LDPC code block segmentation and CRC attachment
`nrCodeBlockDesegmentLDPC`	LDPC code block desegmentation and CRC decoding
`nrTBS`	Get transport block size (Since R2020b)

Objects

`nrCQITables`	CQI lookup tables (Since R2024a)
`nrPDSCHMCSTables`	PDSCH MCS lookup tables (Since R2024a)
`nrPUSCHMCSTables`	PUSCH MCS lookup tables (Since R2024a)

Topics

LDPC Processing for DL-SCH and UL-SCH
Process 5G NR DL-SCH and UL-SCH transport blocks using LDPC coding.

Featured Examples

5G New Radio Polar Coding

Model the new CA-Polar coding technique in 5G NR communications system.

Open Script

5G LDPC Block Error Rate Simulation Using the Cloud or a Cluster

Use the cloud or a cluster for block error rate (BLER) simulation of low-density parity-check (LDPC) coding for the 5G NR downlink shared transport channel (DL-SCH).

Open Script