Turbo Equalization via Constrained-Delay APP Estimation With Decision

May 26th 2010, 23:59
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KhoirulAnwar
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Description

With the emergence of turbo coding [9], and the subsequent interest in the broader turbo principle [10], [11], where the iterative processing of soft information takes the center stage, the detector’s ability to generate soft decisions has become an important system design requirement. The turbo principle has first been applied to the channel ISI equalization problem in [12], where the channel detector and the outer error-correction coding (ECC) decoder exchange soft symbol decisions in an iterative fashion in an effort to improve the quality of the soft information. The techniques to combat ISI by generating and iteratively processing soft decisions in conjunction with an outer soft-input soft-output (SISO) decoder have since been dubbed collectively as turbo equalization. The performance results presented in [12] pointed to a great potential for this type of approach in ISI equalization

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Turbo Equalization, IEEE Transactions , ISI Condition

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