发明名称 Method, apparatus and system for use in the transmission of wireless communications using multiple antennas
摘要 A method, apparatus and system are provided for use in optimizing signal-to-noise ratios at remote wireless devices. A method can receive a signal over a reverse link, determine an angular power profile of the reverse link signal, and determine an antenna weighting vector for the forward traffic signal based on the angular power profile. The determination of the weighting vector can include retrieving the vector from a weighting vector table. Some methods identify boundaries of angular spreads and utilize pre-calculate weighting vectors according to the boundaries. An apparatus can include an antenna array, a wireless receiver that receives reverse link signals, a detector that detects an angular power profile of the signals, a controller that determines a weighting vector and applies the weighting vector to the antenna array when transmitting. Some embodiments are dependent on whether the forward link incorporates a common pilot or per-user pilot signal.
申请公布号 US7457590(B2) 申请公布日期 2008.11.25
申请号 US20030744487 申请日期 2003.12.23
申请人 MOTOROLA, INC. 发明人 FRANK COLIN
分类号 H04B7/00;H04B1/00;H04B7/005;H04B7/06 主分类号 H04B7/00
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