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| 專利名稱 | Phase controller and phase controlling method for antenna array, and communication apparatus using the same (利用同餘關係設計頻率合成器群組控制天線陣列相位的方法) | | 創作型式 | 發明 | | 專利證號 | US10516210B2 | | 國別 | 美國 | | 獲證日期 | 2019/12/24 | | 專利摘要 | A phase controller for an antenna array includes a determination circuit, determining a direction index of the antenna array, and calculating a phase index according to the direction index according to a congruence modulo equation; a switching box, selecting L first frequency signals with L different first phases among K first frequency signals with K different first phases according to the phase index, wherein L and K are integer larger than 1, and L is not larger than K; and a frequency synthesizing module, comprising L phase-coherent PLL frequency synthesizers for receiving the L first frequency signals with the L different first phases to generate L second frequency signals with L different second phases to L antennae of the antenna array, wherein a second frequency of the second frequency signals is larger than a first frequency of the first frequency signals. | IPC國際分類號 | H01Q002100 | | 聯絡人 | 王淳右 | | 電話 | #329566 | | EMAIL | f437frank@ncsist.org.tw |
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