发明名称 |
Quantized Precoding Over a Set of Parallel Channels |
摘要 |
Methods and apparatus are disclosed for applying successive multi-rank beamforming strategies (e.g., successive preceding strategies) for the design of precoders over a set of parallel channels. Successive beamforming is applied to a narrow band channel model and is also applied for finer quantization of a single beamforming vector (e.g., recursive beamforming). A first embodiment provides the optimal approach with high complexity. An alternative embodiment provides successive beamforming for near optimal preceding selection with medium complexity. A low complexity method for precoder selection is also provided wherein a channel representative matrix for the set of parallel channels is determined and successive beamforming on the calculated channel representative is applied.
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申请公布号 |
US2008049596(A1) |
申请公布日期 |
2008.02.28 |
申请号 |
US20070693286 |
申请日期 |
2007.03.29 |
申请人 |
NEC LABORATORIES AMERICA, INC. |
发明人 |
KHOJASTEPOUR MOHAMMAD A.;WANG XIAODONG;MADIHIAN MOHAMMAD |
分类号 |
H04J11/00 |
主分类号 |
H04J11/00 |
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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