发明名称 |
EXTRACTING SOFT INFORMATION IN A BLOCK-COHERENT COMMUNICATION SYSTEM |
摘要 |
<p>Data communication over a block-coherent channel in a communication system is described. Low-complexity demodulation techniques that allow good performance are described. A dwell syn signal (323), e.g., a set of block coherent symbols transmitted including a known symbol, e.g., a pseudo pilot symbol, are received, demodulated (204) and decoded by a joint decoder/demodulator (311 and 313) employing soft inputs, soft outputs, and interleaving of messages. Low-complexity SISO demodulator (204) is suitable for processing pseudo-pilot modulated information corresponding to each of one or more dwells (323). The low-complexity method achieves good performance when turbo equalization is used. Some decoding and demodulation embodiments include independent phase estimates and updated independent phase estimates following the extrinsic principle to generate soft symbol values and soft bits.</p> |
申请公布号 |
WO2004091102(A1) |
申请公布日期 |
2004.10.21 |
申请号 |
WO2004US10187 |
申请日期 |
2004.04.02 |
申请人 |
FLARION TECHNOLOGIES INC;JIN, HUI;RICHARDSON, TOM;NOVICHKOV, VLADIMIR |
发明人 |
JIN, HUI;RICHARDSON, TOM;NOVICHKOV, VLADIMIR |
分类号 |
H03M13/00;H03M13/29;H03M13/31;H04K1/00;H04L1/00;(IPC1-7):H03M13/00 |
主分类号 |
H03M13/00 |
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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