The proposed AOWC may give matlab linear transfer functionality from matlab programming handle signal to matlab programming probe signal to aid matlab programming random fluctuated OFDM waveform. We also determine matlab programming maximum ability of matlab programming AOWC by using matlab programming adaptive bit loading OFDM. Finally, we degree matlab programming power penalty after matlab programming AOWC at two alternative bit rates to show matlab programming tradeoff among matlab programming penalty and means. The opportunity of polarization mode dispersion PMD reimbursement in fiber optic verbal exchange programs with direct detection using matlab simple channel estimation technique and coffee density parity check LDPC coded orthogonal frequency division multiplexing OFDM is verified. It is shown that even for differential group delay DGD of 4/BW BW is matlab programming OFDM signal bandwidth, matlab programming degradation due to matlab programming first order PMD can be completely compensated for. Two categories of LDPC codes designed in accordance with two various combinatorial items distinction techniques and fabricated from combinatorial designs appropriate to be used in PMD repayment are introduced.