发明名称 |
Improved channel estimation for mutlicast broadcast transmission in OFDM based communication techniques |
摘要 |
A base station generates a unicast channel, a MBMS channel, and a pilot channel, that are multiplied by a scrambling code specific to a particular cell. The pilot channel is replicated as necessary. The unicast channel and the MBMS channel are time-multiplexed. For data in a unit transmission frame, a same frequency component is multiplied by a same scrambling code. |
申请公布号 |
EP1983792(A1) |
申请公布日期 |
2008.10.22 |
申请号 |
EP20070708181 |
申请日期 |
2007.02.07 |
申请人 |
NTT DOCOMO, INC. |
发明人 |
KISHIYAMA, YOSHIHISA;HIGUCHI, KENICHI;SAWAHASHI, MAMORU |
分类号 |
H04L5/00;H04J11/00;H04L1/00;H04L25/02;H04L25/03;H04W4/06;H04W28/06;H04W76/02;H04W88/08 |
主分类号 |
H04L5/00 |
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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