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Thread Subject:
How to generate specific size LDPC H matrix?

Subject: How to generate specific size LDPC H matrix?

From: mahmud_dbm

Date: 24 Jan, 2010 18:29:04

Message: 1 of 1

Hello Everyone..
Stuck wid a program... can anyone help me out..??
its about LDPC H matrix..!! not just only any simple matrix, its LDPC H matrix..which is supposed to have GF(2) property...ie

"The last (N-K) columns of the parity-check matrix must be invertible in GF(2)."

using R=1/2; H = dvbs2ldpc(R), we can have a ready made Matrix of default size of 32400x64800, but if we want 2 have any specific size like.. 3200x6400, how do we create this matrix which is Invertible in GF(2)..???

please help anybody..!!!

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