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The document summarizes research on analyzing the performance of different forward error correction (FEC) schemes in an orthogonal frequency division multiplexing (OFDM) system for voice signal transmission over various channels. It describes using cyclic redundancy code and convolutional code with interleaving and differential quadrature phase-shift keying modulation. Simulation results found that a convolutional coded and interleaved OFDM system outperformed cyclic redundancy code and an uncoded system in

Author

Awais Ahmed

Language

EN