发明名称 |
Unified closed loop SU/MU-MIMO signaling and codebook design |
摘要 |
A multi-resolution codebook is used to provide quantization for channel related information in a wireless network that supports both single-user MIMO and multi-user MIMO. The multi-resolution codebook may include a higher resolution "fine" codebook for use with MU-MIMO subscriber stations and a lower resolution "coarse" codebook for use with SU-MIMO subscriber stations. A tracking codebook may also be used to provide quantization for updates to channel related information. In at least one embodiment, the tracking codebook includes a number of unit vectors (or orthogonal matrices) disposed upon a sphere cap.
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申请公布号 |
US2009086842(A1) |
申请公布日期 |
2009.04.02 |
申请号 |
US20070904867 |
申请日期 |
2007.09.28 |
申请人 |
SHI JUN;LI QINGHUA;LIN XINTIAN E |
发明人 |
SHI JUN;LI QINGHUA;LIN XINTIAN E. |
分类号 |
H04L1/02 |
主分类号 |
H04L1/02 |
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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