|
專利名稱 | Phase controller and phase controlling method for antenna array, and communication apparatus using the same(用於天線陣列的相位控制器) | 創作型式 | 發明 | 專利證號 | US10598778B2 | 國別 | 美國 | 獲證日期 | 2020/03/24 | 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 | H01Q (IPC 1 | 聯絡人 | 王淳右 | 電話 | #329566 | EMAIL | f437frank@ncsist.org.tw |
|