发明名称 |
APPARATUS AND METHOD FOR INITIALIZATION OF REFERENCE SIGNAL SCRAMBLING |
摘要 |
A scrambling sequence is initialized using at least a cell identifier and an offset, and a physical downlink control information DCI is sent to a user equipment which indicates the offset. In more particular embodiments a user equipment-specific reference signal UE-RS is scrambled using the initialized scrambling sequence, and the scrambled UE-RS is sent to the UE for demodulating a downlink shared channel (PDSCH). In another exemplary embodiment the generated UE-RS is sent in a pilot part of a subframe transmission associated with the PDSCH and is for demodulating at least a data part of that subframe transmission. In a specific embodiment from the UE side, the UE receives the UE-RS and the DCI which indicates the offset, descrambles the UE-RS using a scrambling sequence that is initialized using a cell identifier and the indicated offset; and demodulates the PDSCH using the de-scrambled UE-RS. |
申请公布号 |
EP2484046(A4) |
申请公布日期 |
2016.08.31 |
申请号 |
EP20100819988 |
申请日期 |
2010.09.30 |
申请人 |
NOKIA TECHNOLOGIES OY |
发明人 |
CHMIEL, MIESZKO;CHEN, PENG;KOIVISTO, TOMMI;CHE, XIANG GUANG;ROMAN, TIMO |
分类号 |
H04L9/08;H04B7/02;H04J13/10;H04L27/26 |
主分类号 |
H04L9/08 |
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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