发明授权
- 专利标题: Multi-antenna system using adaptive beamforming
- 专利标题(中): 多天线系统采用自适应波束成形技术
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申请号: US12640194申请日: 2009-12-17
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公开(公告)号: US08401133B2公开(公告)日: 2013-03-19
- 发明人: Chul Gyun Park , Young Chai Ko , Kyung Tae Jo , Joun Sup Park
- 申请人: Chul Gyun Park , Young Chai Ko , Kyung Tae Jo , Joun Sup Park
- 申请人地址: KR Gyunggi-do
- 专利权人: Samsung Electro-Mechanics Co., Ltd.
- 当前专利权人: Samsung Electro-Mechanics Co., Ltd.
- 当前专利权人地址: KR Gyunggi-do
- 代理机构: Lowe Hauptman Ham & Berner, LLP
- 优先权: KR10-2009-0072419 20090806
- 主分类号: H04B7/10
- IPC分类号: H04B7/10
摘要:
A multi-antenna system using adaptive beamforming includes a phase shift unit, a signal combination unit, a frequency down-converter, and an analog-to-digital (A/D) converter, and a beamforming control unit. The phase shift unit includes a plurality of phase shifters which shift the phases of signals received from a plurality of antennas. The signal combination unit combines phase-shifted signals output from the plurality of phase shifters. The frequency down-converter down-converts a signal output from the signal combination unit into a baseband signal. The A/D converter converts the baseband signal into a digital signal. The beamforming control unit searches for a weight vector higher than a preset threshold signal-to-noise ratio (SNR) when a reception SNR of the digital signal output from the A/D converter is lower than the threshold SNR, and changes a currently set weight vector into the searched weight vector to provide to the phase shift unit.
公开/授权文献
- US20110033015A1 MULTI-ANTENNA SYSTEM USING ADAPTIVE BEAMFORMING 公开/授权日:2011-02-10