Restore ordering of symbols using random permutation
deintrlvd = randdeintrlv(data,state)
deintrlvd = randdeintrlv(data,state) restores
the original ordering of the elements in
inverting a random permutation. The
initializes the random number generator that the function uses to
determine the permutation.
state is either a scalar
or a 35x1 vector, and is described in the
which is used in
randintrlv. The function is predictable
for a given state, but different states produce different permutations.
data is a matrix with multiple rows and columns,
the function processes the columns independently.
To use this function as an inverse of the
use the same
state input in both functions. In
that case, the two functions are inverses in the sense that applying
randdeintrlv leaves data unchanged.
This function uses, by default, the Mersenne Twister algorithm by Nishimura and Matsumoto.
For an example using random interleaving and deinterleaving, see Improve Error Rate Using Block Interleaving in MATLAB.