Interleaving

Block and convolutional interleaving

Communications Toolbox™ includes tools using either MATLAB^® or Simulink^® for interleaving and deinterleaving signal data.

Functions

`algintrlv`	Reorder symbols using algebraically derived permutation table
`algdeintrlv`	Restore ordering of symbols using algebraically derived permutation table
`convintrlv`	Permute symbols using shift registers
`convdeintrlv`	Restore ordering of symbols using shift registers
`intrlv`	Reorder sequence of symbols
`deintrlv`	Restore ordering of symbols
`helintrlv`	Permute symbols using helical array
`heldeintrlv`	Restore ordering of symbols permuted using helintrlv
`helscanintrlv`	Reorder symbols in helical pattern
`helscandeintrlv`	Restore ordering of symbols in helical pattern
`matintrlv`	Reorder symbols by filling matrix by rows and emptying it by columns
`matdeintrlv`	Restore ordering of symbols by filling matrix by columns and emptying it by rows
`muxintrlv`	Permute symbols using shift registers with specified delays
`muxdeintrlv`	Restore ordering of symbols using specified shift registers
`randintrlv`	Reorder symbols using random permutation
`randdeintrlv`	Restore ordering of symbols using random permutation

`comm.gpu.BlockInterleaver`	Create block interleaved sequence with GPU
`comm.gpu.BlockDeinterleaver`	Restore original ordering of block interleaved sequence with GPU
`comm.ConvolutionalInterleaver`	Permute input symbols using shift registers with same property values
`comm.ConvolutionalDeinterleaver`	Restore ordering of symbols using shift registers
`comm.gpu.ConvolutionalInterleaver`	Permute input symbols using shift registers with GPU
`comm.gpu.ConvolutionalDeinterleaver`	Restore ordering of symbols using shift registers with GPU
`comm.HelicalInterleaver`	Permute input symbols using helical array
`comm.HelicalDeinterleaver`	Restore ordering of symbols using helical array
`comm.MultiplexedInterleaver`	Permute input symbols using set of shift registers with specified delays
`comm.MultiplexedDeinterleaver`	Deinterleave input symbols using set of shift registers with specified delays

Algebraic Interleaver	Reorder input symbols using algebraically derived permutation table
Algebraic Deinterleaver	Restore ordering of input symbols using algebraically derived permutation
General Block Interleaver	Reorder symbols in input vector
General Block Deinterleaver	Restore ordering of symbols in input vector
Matrix Interleaver	Permute input symbols by filling matrix by rows and emptying it by columns
Matrix Deinterleaver	Permute input symbols by filling matrix by columns and emptying it by rows
Matrix Helical Scan Interleaver	Permute input symbols by selecting matrix elements along diagonals
Matrix Helical Scan Deinterleaver	Restore ordering of input symbols by filling matrix along diagonals
Random Interleaver	Reorder input symbols using random permutation
Random Deinterleaver	Restore ordering of input symbols using random permutation
Convolutional Interleaver	Permute input symbols using set of shift registers
Convolutional Deinterleaver	Restore ordering of symbols that were permuted using shift registers
General Multiplexed Interleaver	Permute input symbols using set of shift registers with specified delays
General Multiplexed Deinterleaver	Restore ordering of symbols using specified-delay shift registers
Helical Interleaver	Permute input symbols using helical array
Helical Deinterleaver	Restore ordering of symbols permuted by helical interleaver

A block interleaver accepts a set of symbols and rearranges them, without repeating or omitting any of the symbols in the set.