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Patent Agency Ranking
公开(公告)号：US11038474B2
公开(公告)日：2021-06-15
申请号：US15801232
申请日：2017-11-01
Applicant: ANALOG DEVICES GLOBAL UNLIMITED COMPANY
Inventor： Ahmed I. Khalil , Patrick Pratt
Abstract: Apparatus and methods provide predistortion for a phased array. Radio frequency (RF) sample signals from phased array elements are provided along return paths and are combined by a hardware RF combiner. Phase shifters are adjusted such that the RF sample signals are phase-aligned when combined. Adaptive adjustment of predistortion for the amplifiers of the phased array can be based on a signal derived from the combined RF sample signals.
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公开(公告)号：US20190267707A1
公开(公告)日：2019-08-29
申请号：US15904045
申请日：2018-02-23
Applicant: Analog Devices Global Unlimited Company
Inventor： Ahmed I. Khalil , Mohamed Ahmed Youssef Abdalla , Islam A. Eshrah , Mohamed Mobarak
Abstract: Aspects of this disclosure relate to an antenna array system and method of calibration using one or more probes disposed equidistant between antenna elements. In certain embodiments, calibration is performed between a probe and antenna elements, between a plurality of antenna elements, and/or between antenna elements on different antenna arrays.
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公开(公告)号：US20210376800A1
公开(公告)日：2021-12-02
申请号：US17303021
申请日：2021-05-18
Applicant: ANALOG DEVICES GLOBAL UNLIMITED COMPANY
Inventor： Ahmed I. Khalil , Patrick Pratt
Abstract: Apparatus and methods provide predistortion for a phased array. Radio frequency (RF) sample signals from phased array elements are provided along return paths and are combined by a hardware RF combiner. Phase shifters are adjusted such that the RF sample signals are phase-aligned when combined. Adaptive adjustment of predistortion for the amplifiers of the phased array can be based on a signal derived from the combined RF sample signals.
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公开(公告)号：US20190131934A1
公开(公告)日：2019-05-02
申请号：US15801232
申请日：2017-11-01
Applicant: ANALOG DEVICES GLOBAL UNLIMITED COMPANY
Inventor： Ahmed I. Khalil , Patrick Pratt
Abstract: Apparatus and methods provide predistortion for a phased array. Radio frequency (RF) sample signals from phased array elements are provided along return paths and are combined by a hardware RF combiner. Phase shifters are adjusted such that the RF sample signals are phase-aligned when combined. Adaptive adjustment of predistortion for the amplifiers of the phased array can be based on a signal derived from the combined RF sample signals.
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公开(公告)号：US11177567B2
公开(公告)日：2021-11-16
申请号：US15904045
申请日：2018-02-23
Applicant: Analog Devices Global Unlimited Company
Inventor： Ahmed I. Khalil , Mohamed Ahmed Youssef Abdalla , Islam A. Eshrah , Mohamed Mobarak
IPC: H01Q3/26 , H04B17/12 , H04B17/19 , H01Q1/24 , H01Q3/38 , H01Q21/22 , H01Q21/00 , H04B17/21 , H04B17/14
Abstract: Aspects of this disclosure relate to an antenna array system and method of calibration using one or more probes disposed equidistant between antenna elements. In certain embodiments, calibration is performed between a probe and antenna elements, between a plurality of antenna elements, and/or between antenna elements on different antenna arrays.
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