Abstract
Turbo equalization was proposed as an iterative scheme to joint equalization and decoding for simple convolutional codes over channels with intersymbol-interference (ISI). Thereafter, to increase the coding gain, the use of more powerful error-correction codes in such scheme was also investigated, such as turbo codes (PCCC) and serially concatenated convolutional codes (SCCC). Here we investigate the performance of another hybrid concatenated convolutional codes (HCCC) used in the equalization for multipath ISI channels. Through the simulation results and analysis, it demonstrates that the HCCC performs best among these equalization schemes for very low bit error rate (BER) applications, and is convenient to transform to PCCC or SCCC after some simply modifications. These advantages make the HCCC scheme a general, flexible code in deep space communications.
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