发明名称 |
Method, apparatus and computer program for open loop transmission diversity |
摘要 |
A symbol multiplied by a first constant amplitude zero autocorrelation code CAZAC reference signal RS is transmitted in a timeslot from a first antenna of a user equipment on a first physical uplink control channel in a manner that multiplexes with other user equipments. A symbol multiplied by a second CAZAC RS is transmitted in the timeslot from a second antenna of the user equipment on a second physical uplink control channel in a manner that multiplexes with other user equipments. The first and second CAZAC RSs are orthogonal to one another by at least one of the cyclic shifts or a cover code applied to at least one of the first and the second CAZAC RSs. The symbols may be the same or different, and may represent an ACK, a NACK, or a scheduling request indicator. These teachings extend to more than two transmit antennas.
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申请公布号 |
US2009303978(A1) |
申请公布日期 |
2009.12.10 |
申请号 |
US20080156894 |
申请日期 |
2008.06.04 |
申请人 |
NOKIA SIEMENS NETWORKS OY |
发明人 |
PAJUKOSKI KARI;TIIROLA ESA;HOOLI KARI |
分类号 |
H04J3/00 |
主分类号 |
H04J3/00 |
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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