发明名称 |
CHANNEL ESTIMATION |
摘要 |
The channel estimation for a current data block is based on a previous data block, where the two data blocks are based on common information. Data symbol hypotheses of the previous data block can be forwarded to a channel estimator and used as known reference symbols when estimating the channel response for the current block. Alternatively, a combination of the data symbol hypotheses and preliminary data symbol estimates of the current block are used as reference symbols in a refined channel estimation for the current block. Data bit hypotheses of the previous block can also be input as a priori data in a preliminary demodulation of the current block. The demodulator output is used as reference data in a refined channel estimation for the current block. The technology is well-adapted for use in connection with Hybrid ARQ. |
申请公布号 |
EP1807987(A4) |
申请公布日期 |
2012.11.07 |
申请号 |
EP20040789890 |
申请日期 |
2004.10.29 |
申请人 |
TELEFONAKTIEBOLAGET L- M ERICSSON (PUBL) |
发明人 |
FEI, ZESONG;WAN, LEI;KUANG, JINGMING |
分类号 |
H04L25/03;H04L1/00;H04L1/16;H04L25/02 |
主分类号 |
H04L25/03 |
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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