-
公开(公告)号：US20220103127A1
公开(公告)日：2022-03-31
申请号：US17550107
申请日：2021-12-14
发明人： Mihai Banu , Yiping Feng
IPC分类号： H03D7/14 , H03L7/081 , H03L7/093 , H03L7/099 , H03F3/45 , H03K5/00 , H03C3/09 , H03B19/14 , H03L7/185 , H03L7/085
摘要： An electronic circuit including: a differential multiplier circuit with a first differential input and a second differential input and a differential output; and a phase locked loop (PLL) circuit including: (1) a balanced differential mixer circuit with a first differential input electrically connected to the differential output of the differential multiplier circuit, a second differential input, and an output; (2) a loop filter having an output and an input electrically connected to the output of the balanced differential mixer circuit; and (3) a voltage controlled oscillator (VCO) circuit having an input electrically connected to the output of the loop filter and with an output electrically feeding back to the second differential input of the balanced differential mixer circuit.
-
公开(公告)号：US09673965B2
公开(公告)日：2017-06-06
申请号：US15259639
申请日：2016-09-08
发明人： Mihai Banu
IPC分类号： H04B17/00 , H04L7/00 , H04L7/033 , H04B17/364
CPC分类号： H04L7/0016 , H01Q1/241 , H01Q21/24 , H04B1/0458 , H04B1/18 , H04B17/00 , H04B17/364 , H04L5/0048 , H04L7/033
摘要： A method for calibrating a serial interconnection system having a first node, a second node, calibration nodes that are electrically connected in series by the serial interconnection system, and connection nodes corresponding to the serially connected calibration nodes, the connection nodes electrically connected in series by the serial interconnection system, the calibration method involving: for each of the calibration nodes performing a measurement procedure involving: injecting a corresponding reference signal into that calibration node; and while the corresponding reference signal is being injected into that calibration node, measuring the phase difference of signals appearing at the first and second nodes; from the measured phase differences for the calibration nodes, computing phase corrections for each of the calibration nodes; and applying the phase corrections computed for each of the calibration nodes to the corresponding connection nodes.
-
公开(公告)号：US10917048B2
公开(公告)日：2021-02-09
申请号：US16536144
申请日：2019-08-08
发明人： Mihai Banu , Yiping Feng
IPC分类号： H03D7/14 , H03L7/081 , H03L7/093 , H03L7/099 , H03F3/45 , H03K5/00 , H03C3/09 , H03B19/14 , H03L7/185 , H03L7/085
摘要： An electronic circuit including: a differential multiplier circuit with a first differential input and a second differential input and a differential output; and a phase locked loop (PLL) circuit including: (1) a balanced differential mixer circuit with a first differential input electrically connected to the differential output of the differential multiplier circuit, a second differential input, and an output; (2) a loop filter having an output and an input electrically connected to the output of the balanced differential mixer circuit; and (3) a voltage controlled oscillator (VCO) circuit having an input electrically connected to the output of the loop filter and with an output electrically feeding back to the second differential input of the balanced differential mixer circuit.
-
公开(公告)号：US20190182023A1
公开(公告)日：2019-06-13
申请号：US16277073
申请日：2019-02-15
发明人： Mihai Banu , Yiping Feng
摘要： A method of calibrating a phased array including an array of antenna elements, RF communication circuits each of which is electrically coupled to a different corresponding antenna element within the array of antenna elements, and a signal feed network that electrically couples a first signal line to second signal lines, wherein each second signal line is electrically coupled to a different corresponding RF communication circuit among the RF communication circuits, the method involving: performing a first phase of a calibration operation, the first phase of the calibration operation involving calibrating the signal feed network independent of the RF communication circuits; and performing a second phase of the calibration operation, the second phase of the calibration operation involving calibrating, independent of the signal feed network, each of the RF communication circuits until all RF communication circuits among the RF communication circuits are calibrated.
-
5.发明申请公开(公告)号：US20190089428A1
公开(公告)日：2019-03-21
申请号：US16128864
申请日：2018-09-12
IPC分类号： H04B7/0456 , H04B7/0452
CPC分类号： H04B7/0456 , H04B7/0452 , H04B7/0608 , H04B7/0617 , H04W88/085
摘要： A method for communicating with a plurality of communication devices (UEs) using a phased array antenna system including an array of antenna elements, the method involving: receiving a plurality of port signal streams, wherein the plurality of port signal streams was obtained b precoding a plurality of data streams, each data stream of the plurality of data streams intended for a different corresponding UE; and within the phased array antenna system, processing the plurality of port signal streams to (1) undo the precoding that was performed on the plurality of data streams, and (2) generate via the array of antenna elements a plurality of transmit beams, wherein each transmit beam is directed towards a corresponding different UE among the plurality of UEs and carries a corresponding transmit signal that is derived exclusively from the data stream among the plurality of data streams that is intended for that UE.
-
公开(公告)号：US10181943B2
公开(公告)日：2019-01-15
申请号：US15486675
申请日：2017-04-13
发明人： Robert C. Frye , Mihai Banu
摘要： A method involving a serial interconnection system having a first node, a second node, a plurality of calibration nodes that are electrically connected in series by the serial interconnection system, and a plurality of connection nodes corresponding to the plurality of serially connected calibration nodes and electrically connected in series by the serial interconnection system, the method involving: for each of the plurality of calibration nodes performing a measurement procedure involving: injecting a corresponding reference signal into that calibration node; and while the corresponding reference signal is being injected into that calibration node, determining a summation of the phases of signals appearing at the first and second nodes; from the determined phase summations for the plurality of calibration nodes, computing phase corrections for each of the plurality of calibration nodes; and applying the phase corrections to the corresponding plurality of connection nodes.
-
公开(公告)号：US20170077613A1
公开(公告)日：2017-03-16
申请号：US15259265
申请日：2016-09-08
发明人： Mihai Banu , Yiping Feng
CPC分类号： H04L7/0016 , H01Q1/241 , H01Q21/24 , H04B1/0458 , H04B1/18 , H04B17/00 , H04B17/364 , H04L5/0048 , H04L7/033
摘要： A method of calibrating a phased array including an array of antenna elements, RF communication circuits each of which is electrically coupled to a different corresponding antenna element within the array of antenna elements, and a signal feed network that electrically couples a first signal line to second signal lines, wherein each second signal line is electrically coupled to a different corresponding RF communication circuit among the RF communication circuits, the method involving: performing a first phase of a calibration operation, the first phase of the calibration operation involving calibrating the signal feed network independent of the RF communication circuits; and performing a second phase of the calibration operation, the second phase of the calibration operation involving calibrating, independent of the signal feed network, each of the RF communication circuits until all RF communication circuits among the RF communication circuits are calibrated.
摘要翻译： 一种校准包括天线元件阵列的相控阵列的方法，RF通信电路各自电耦合到天线元件阵列内的不同对应的天线元件，以及将第一信号线电耦合到第二信号线的信号馈送网络 信号线，其中每个第二信号线电耦合到RF通信电路中的不同对应的RF通信电路，所述方法包括：执行校准操作的第一阶段，所述校准操作的第一阶段包括校准信号馈送网络 独立于RF通信电路; 以及执行所述校准操作的第二阶段，所述校准操作的所述第二阶段包括校准独立于所述信号馈送网络的每个RF通信电路，直到所述RF通信电路中的所有RF通信电路被校准。
-
8.发明授权公开(公告)号：US10374670B2
公开(公告)日：2019-08-06
申请号：US16128864
申请日：2018-09-12
IPC分类号： H04B7/0452 , H04B7/0456
摘要： A method for communicating with a plurality of communication devices (UEs) using a phased array antenna system including an array of antenna elements, the method involving: receiving a plurality of port signal streams, wherein the plurality of port signal streams was obtained by precoding a plurality of data streams, each data stream of the plurality of data streams intended for a different corresponding UE; and within the phased array antenna system, processing the plurality of port signal streams to (1) undo the precoding that was performed on the plurality of data streams, and (2) generate via the array of antenna elements a plurality of transmit beams, wherein each transmit beam is directed towards a corresponding different UE among the plurality of UEs and carries a corresponding transmit signal that is derived exclusively from the data stream among the plurality of data streams that is intended for that UE.
-
公开(公告)号：US10225067B2
公开(公告)日：2019-03-05
申请号：US15259265
申请日：2016-09-08
发明人： Mihai Banu , Yiping Feng
IPC分类号： H01Q21/00 , H04L7/00 , H01Q21/24 , H01Q1/24 , H04B17/364 , H04L7/033 , H04B1/04 , H04B1/18 , H04L5/00 , H04B17/00
摘要： A method of calibrating a phased array including an array of antenna elements, RF communication circuits each of which is electrically coupled to a different corresponding antenna element within the array of antenna elements, and a signal feed network that electrically couples a first signal line to second signal lines, wherein each second signal line is electrically coupled to a different corresponding RF communication circuit among the RF communication circuits, the method involving: performing a first phase of a calibration operation, the first phase of the calibration operation involving calibrating the signal feed network independent of the RF communication circuits; and performing a second phase of the calibration operation, the second phase of the calibration operation involving calibrating, independent of the signal feed network, each of the RF communication circuits until all RF communication circuits among the RF communication circuits are calibrated.
-
公开(公告)号：US20180269836A1
公开(公告)日：2018-09-20
申请号：US15922096
申请日：2018-03-15
发明人： Mihai Banu , Yiping Feng
摘要： An electronic circuit including: a differential multiplier circuit with a first differential input and a second differential input and a differential output; and a phase locked loop (PLL) circuit including: (1) a balanced differential mixer circuit with a first differential input electrically connected to the differential output of the differential multiplier circuit, a second differential input, and an output; (2) a loop filter having an output and an input electrically connected to the output of the balanced differential mixer circuit; and (3) a voltage controlled oscillator (VCO) circuit having an input electrically connected to the output of the loop filter and with an output electrically feeding back to the second differential input of the balanced differential mixer circuit.
-
-
-
-
-
-
-
-
-
搜索结果
20 条记录 (耗时 0.022 秒)
