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公开(公告)号:US20240313430A1
公开(公告)日:2024-09-19
申请号:US18671924
申请日:2024-05-22
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Weihong Xiao , Zhiqiang Liao , Lei Chen , He Cui
CPC classification number: H01Q23/00 , H01Q1/246 , H01Q3/30 , H01Q15/0013 , H01Q15/14
Abstract: This application provides an antenna system and a base station antenna feeder system. The antenna system includes a first antenna and a second antenna. The first antenna includes a first radiating element array and a first phase shifter, and the first phase shifter is electrically connected to the first radiating element array. The second antenna includes a second radiating element array and a second phase shifter, and the second phase shifter is electrically connected to the second radiating element array. The first phase shifter is disposed at an edge of the first antenna, and the first phase shifter is configured to be detachably connected to the second antenna. In the antenna system in this solution, the first antenna and the second antenna can be detachably connected, so that an antenna configuration can be upgraded without replacing an original antenna and with low costs and a convenient operation.
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公开(公告)号:US11563268B2
公开(公告)日:2023-01-24
申请号:US16601166
申请日:2019-10-14
Applicant: Huawei Technologies Co., Ltd.
Inventor: Weihong Xiao , Zhiqiang Liao , Wei Su
Abstract: A base station antenna, including power dividers, network calibration modules, and connectors. The base station antenna includes at least two phase shifters. At least one phase shifter is integrated with a combiner, the connectors are connected to the network calibration modules, and the network calibration modules are connected to the phase shifters. The one phase shifter integrated with the combiner is connected to the power divider, and at least one output port of the at least one other phase shifter is connected to the phase shifter integrated with the combiner. The base station antenna has an integrated design of phase shifters and combiners.
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公开(公告)号:US11432398B2
公开(公告)日:2022-08-30
申请号:US17104388
申请日:2020-11-25
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Yiyao Wu , Xinbo Ma , Zhiqiang Liao
Abstract: One example printed circuit board transmission line includes a substrate layer, a metal line, at least one first welding point, at least one first transmission medium, and a metal component that is configured to implement a grounding function. The metal line is plated on a surface of the substrate layer. The at least one first welding point is a welding point at which the metal line is connected to the at least one first transmission medium. The at least one first welding point is welded to the metal line and welded to the at least one first transmission medium. The metal component is welded to the at least one first transmission medium. At least one groove is provided on one side of the at least one first welding point.
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公开(公告)号:US10560856B2
公开(公告)日:2020-02-11
申请号:US15907548
申请日:2018-02-28
Applicant: Huawei Technologies Co., Ltd.
Inventor: Weihong Xiao , Zhiqiang Liao
Abstract: A phase shifter, an antenna, and a base station are provided. The phase shifter in the present invention includes a feed unit, a tapping element, a conductor section, and a ground element, and the feed unit is electrically connected to the tapping element. The tapping element is electrically connected to the ground element when being shifted by a preset angle by using a port of the conductor section as a start position, so that a transmit signal is reflected to an input port of the feed unit, and whether a cable is correctly connected is determined according to the signal of the input port, thereby signal transmission accuracy of an antenna is ensured.
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公开(公告)号:US10199702B2
公开(公告)日:2019-02-05
申请号:US15454693
申请日:2017-03-09
Applicant: Huawei Technologies Co., Ltd.
Inventor: Zhiqiang Liao , Lei Chen , Huifan Lin , Xinneng Luo
Abstract: A phase shifter includes a cavity (100) and a first fixed transmission line (301), a second fixed transmission line (302), and a slidable transmission line (201) that are located in the cavity (100). The first fixed transmission line (301) is provided with a first open slot (3011), the second fixed transmission line (302) is provided with a second open slot (3021), and opening directions of the first open slot (3011) and the second open slot (3021) are opposite to each other. Two ends of the slidable transmission line (201) are respectively clamped in the first open slot (3011) and the second open slot (3021), so that the slidable transmission line (201) is electrically connected to the first fixed transmission line (301) and the second fixed transmission line (302). The slidable transmission line (201) slides relative to the first fixed transmission line (301) and the second fixed transmission line (302).
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公开(公告)号:US09419833B2
公开(公告)日:2016-08-16
申请号:US14830609
申请日:2015-08-19
Applicant: Huawei Technologies Co., Ltd.
Inventor: Qiang Wang , Zhiqiang Liao , Bin Wang , Ruiming Ding
CPC classification number: H04L27/18 , H01Q3/2605 , H01Q3/38 , H01Q21/24
Abstract: A phase control method in the present disclosure includes dividing, by a power divider, the high frequency current into at least two current branches, and separately feeding the at least two current branches into corresponding radio frequency input ports on a digital phase shifter, determining, by the switch controller according to the digital control flow, radio frequency paths that are in the digital phase shifter and for the at least two current branches fed into the digital phase shifter, and controlling the drive voltage to act on the digital phase shifter, and separately establishing, by the digital phase shifter according to the drive voltage and for the at least two current branches, radio frequency paths for currents to flow through, and controlling duration of phase delays for the at least two current branches by controlling lengths of the radio frequency paths through which the at least two current branches flow.
Abstract translation: 本公开的相位控制方法包括:通过功率分配器将高频电流分成至少两个电流分支,并且将所述至少两个电流分支分别馈送到数字移相器上的对应的射频输入端口, 根据数字控制流程的开关控制器,数字移相器中的射频路径和馈送到数字移相器中的至少两个电流分支,以及控制驱动电压作用在数字移相器上,以及 根据驱动电压和对于至少两个电流分支,数字移相器分别建立用于电流流过的射频路径,并且通过控制无线电的长度来控制至少两个当前分支的相位延迟的持续时间 所述至少两个电流分支通过所述频率路径流动。
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公开(公告)号:US20160056982A1
公开(公告)日:2016-02-25
申请号:US14830609
申请日:2015-08-19
Applicant: Huawei Technologies Co., Ltd.
Inventor: Qiang Wang , Zhiqiang Liao , Bin Wang , Ruiming Ding
CPC classification number: H04L27/18 , H01Q3/2605 , H01Q3/38 , H01Q21/24
Abstract: A phase control method in the present disclosure includes dividing, by a power divider, the high frequency current into at least two current branches, and separately feeding the at least two current branches into corresponding radio frequency input ports on a digital phase shifter, determining, by the switch controller according to the digital control flow, radio frequency paths that are in the digital phase shifter and for the at least two current branches fed into the digital phase shifter, and controlling the drive voltage to act on the digital phase shifter, and separately establishing, by the digital phase shifter according to the drive voltage and for the at least two current branches, radio frequency paths for currents to flow through, and controlling duration of phase delays for the at least two current branches by controlling lengths of the radio frequency paths through which the at least two current branches flow.
Abstract translation: 本公开的相位控制方法包括:通过功率分配器将高频电流分成至少两个电流分支,并且将所述至少两个电流分支分别馈送到数字移相器上的对应的射频输入端口, 根据数字控制流程的开关控制器,数字移相器中的射频路径和馈送到数字移相器中的至少两个电流分支,以及控制驱动电压作用在数字移相器上,以及 根据驱动电压和对于至少两个电流分支,数字移相器分别建立用于电流流过的射频路径,并且通过控制无线电的长度来控制至少两个当前分支的相位延迟的持续时间 所述至少两个电流分支通过所述频率路径流动。
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公开(公告)号:US20240283138A1
公开(公告)日:2024-08-22
申请号:US18621837
申请日:2024-03-29
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Weihong Xiao , Zhiqiang Liao , He Cui , Jianping Li
CPC classification number: H01Q1/246 , H01Q1/42 , H01Q15/0013
Abstract: An antenna system and a base station antenna feeder system are provided. The antenna system includes a first frequency band radiation element array, a frequency selective surface, a second frequency band radiation element, and a phase shifter. The frequency selective surface is configured to reflect a signal of the first frequency band radiation element array and to transmit a signal of the second frequency band radiation element array. The phase shifter is connected to the first frequency band radiation element array and is configured to feed the first frequency band radiation element array. The phase shifter includes a cavity which is disposed at an edge of the frequency selective surface, a first extension direction of the cavity being consistent with a second extension direction of the first frequency band radiation element array.
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公开(公告)号:US11837792B2
公开(公告)日:2023-12-05
申请号:US17360107
申请日:2021-06-28
Applicant: Huawei Technologies Co., Ltd.
Inventor: Xiuyin Zhang , Zhiqiang Liao , Chengdai Xue , Yaojiang Zhang , Yili Xu , Zhihan Chen
CPC classification number: H01Q21/24 , H01Q21/00 , H01Q21/0075 , H01Q21/065 , H01Q21/30 , H01Q1/48
Abstract: Embodiment high-frequency radiator includes two plus and minus 45-degree single-polarized radiators. The single-polarized radiator includes a radiation arm, a balun, a feeder circuit, a filter, and a ground plane. The radiation arm and the balun are electrically connected. The feeder circuit and the balun are separately disposed on two surfaces of a first dielectric plate that is placed vertically. The ground plane is disposed on a downward surface of a second dielectric plate that is placed horizontally. The first dielectric plate is vertically disposed on the second dielectric plate, and the filter includes a capacitor branch and an inductor branch. The inductor branch is disposed on a same surface of the first dielectric plate as the balun, the inductor branch is separately electrically connected to the balun and the ground plane, and the capacitor branch is coupled to the ground plane.
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公开(公告)号:US11552385B2
公开(公告)日:2023-01-10
申请号:US16823980
申请日:2020-03-19
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Weihong Xiao , Zhiqiang Liao
Abstract: The present disclosure relates to stripline cavity structures. One example stripline cavity structure is disposed on a back surface of a reflecting plate, and first avoidance holes are provided on the reflecting plate. The stripline cavity structure includes at least one second conductor strip, the stripline cavity structure is disposed on the back surface of the reflecting plate, and the second conductor strip passes through the first avoidance holes to be connected to the first conductor strip in a microstrip circuit.
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