21. The invention as recited in claim 14 , wherein step (d) includes the step of generating each soft-output value based on the minimum of the corresponding error metric for the received symbol over the set of candidates.
21. The invention as recited in claim 14 , wherein step (d) includes the step of generating each soft-output value based on the minimum of the corresponding error metric for the received symbol over the set of candidates. 22. The invention as recited in claim 21 , wherein, for step (d), each soft-output value is based on the difference between i) the minimum of the corresponding error metric for the received symbol for the soft-output value being a predefined value and ii) the minimum of the corresponding error metric for the received symbol for the soft-output value being a complement of the predefined value.