Interleavers

5G uses many interleavers for different uplink and downlink chains.

Table 33 Table-1: Interleavers in 5G
Interleaver	Codec/Channel	References
PBCH Interleaver	PBCH	38.211
Input Bit Interleaver	PBCH-Polar	38.211
Sub-block Interleaver	PBCH-Polar	38.211
Channel Interleaver	Polar-All channels	38.211
Bit Interleaver	LDPC-All channels	38.211

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