Patent ID: 7774675

Claim:
A MIMO transmitter comprising: a scrambler; an encoder parser responsive to the scrambler; a forward error correction encoder responsive to the encoder parser, wherein the encoder applies a parity check matrix derived from a base matrix: 35 71 56 55 — — 23 34 — — — 71 6 48 70 42 30 — 20 — — — 58 — 13 1 68 59 45 26 — — 55 — — — 74 2 61 30 — 34 — — 36 — 9 — 35 15 4 20 57 — 34 — — 79 — — 40 50 49 14 79 — 1 — — 12 65 — 46 78 78 46 — 40 — 80 17 — — 8 10 22 40 17 — 48 — 38 — 18 — 72 — 3 — 72 1 0 — — — — — — 14 — — 12 — 0 0 — — — — — 20 — — 20 — — 0 0 — — — — 50 — 46 — — — — 0 0 — — — — — 30 — 0 — — — 0 0 — — — — 20 — — — — — — 0 0 — — 6 — — — — — — — — 0 0 — 54 — — 1 — — — — — — 0 an interleaver responsive to the forward error correction encoder; a QAM mapping module responsive to the interleaver; an inverse fast Fourier transform module responsive to the QAM mapping module; and an output module responsive to the inverse fast Fourier transform module.