Repeat Problem 8.19 assuming that the received sequence is r = ∆ ∆ 1 ∆ ∆ XXXXXXXXXX. Problem 8.19 Suppose that the LDPC block code, defined by the transposed parity-check matrix of 8.1, is used...

Repeat Problem 8.19 assuming that the received sequence is r = ∆ ∆ 1 ∆ ∆ 0 0 1 1 0.

Problem 8.19

Suppose that the LDPC block code, defined by the transposed parity-check matrix of 8.1, is used together with the BEC and that the received sequence is r = 1 ∆ 0 ∆ 0 ∆ 0 1 1 0, where ∆ is the erasure symbol. Use the belief propagation algorithm for decoding.