发明名称 |
Method and apparatus for soft-output viterbi detection using a multiple-step trellis |
摘要 |
Methods and apparatus are provided for performing SOVA detection at higher data rates than achievable with conventional designs. A received signal is processed by (i) determining at least three selection signals that define a plurality of paths through a multiple-step trellis into a given state, wherein a first of the plurality of paths is a winning path for each single-step-trellis period of a multiple-step-trellis cycle, a second path is a winning path for a first single-step-trellis period and is a losing path for a second single-step-trellis period of a multiple-step-trellis cycle and a third path is a losing path for a first single-step-trellis period and is a winning path for a second single-step-trellis period of a multiple-step-trellis cycle; and (ii) determining at least one reliability value (such as a reliability value for a bit decision associated with a maximum-likelihood path through the multiple-step trellis or a plurality of reliability values for each multiple-step-trellis cycle).
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申请公布号 |
US2006174183(A1) |
申请公布日期 |
2006.08.03 |
申请号 |
US20050045585 |
申请日期 |
2005.01.28 |
申请人 |
ASHLEY JONATHAN J;FITZPATRICK KELLY K;HARATSCH ERICH F |
发明人 |
ASHLEY JONATHAN J.;FITZPATRICK KELLY K.;HARATSCH ERICH F. |
分类号 |
H03M13/03 |
主分类号 |
H03M13/03 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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