Enabling VLSI Processing Blocks for MIMO-OFDM Communications

Figure 7

Cross-section at levels 4 and 3, assuming 𝑐₇ = “1,” 𝑐₆ = “0,” 𝑐₅ = “1” and 𝑐₄ = “1” we obtain 𝑐₄=𝑐₇⊕𝑐₆⊕𝑐₅ = “0” while 𝑐^4=𝑐₄⊕𝑐₄ = “1” where 𝑐 is the output of the convolutional encoder and represents a coset leader of 2ℤ⁸ in 𝐸₈ and 𝐜 is a coset leader of 𝐸₈ in ℤ⁸.