Mediatek Corporation

Ching-Yao Su

Wei-Nan Sun

Ho-chi Hwang

A receiver includes a Viterbi-like equalizer that provides diversity combining of soft values to produce reliability information. The output reliability information at time k is the average of the first reliability information at time k and the second reliability information at time (k&#x2212;1) after being normalized by the noise power. The first reliability information at time k is the difference between the two accumulated metrics of the two preceding nodes arriving at the same node having the global minimum node metric at time k over all transitions of all states. The second reliability function at time k is the difference between the best accumulated metric characterized by the last (L&#x2212;1) bit being binary 'one' and the best accumulated metric characterized by the last (L&#x2212;1) bit being binary 'zero.'

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Tainan, Taiwan

Ching-Yao Su