Exact(1)
By further integrating a matrix interleave operation in the inner PC encoder, the cascaded coding scheme can acquire significantly improved BER performance by imposing some slight encoding/decoding complexity, which in fact provides a great compromise between the error-correcting capacity and implementation complexity.
Similar(59)
For the purpose of comparative analysis, both LDPC code and PC use this matrix interleaving operation in the experimental simulations.
In order to further alleviate the influence of impulsive noises, a matrix interleaving operation is introduced before imputing the source information into the cascading encoding modular.
For the matrix interleaving process, k 1=512 and k 2=391.
Virtually all interleaving programs, including the matrix interleaving example program, make use of zero-overhead looping.
The matrix interleaving function example program makes use of both vector ALUs.
Pseudo code for this program is provided in Algorithm 2. Algorithm 1: iVAG assembly code for a matrix interleaving function.
As becomes clear from the example program for the simple case of a matrix interleaving function, at least 3 VLIW slots are required to maximize instruction-level parallelism.
Eq. 39 follows from the channel independence at each RE that is the consequence of the interleaving operation.
Note that, as the interleaving operation is mainly integrated to disperse the input errors that are contiguous, other configurations to an interleaving depth (i.e., k 1) will also be feasible.
Then the estimated codewords are interleaved before being network-encoded to get c r = π ( c 1 r ) ⊕ π ( c 2 r ), where π denotes interleaving operations and ⊕ denotes bit-wise XOR operations.
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