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公开(公告)号：WO2023044230A1
公开(公告)日：2023-03-23
申请号：PCT/US2022/075304
申请日：2022-08-23
Applicant: COMMSCOPE TECHNOLOGIES LLC
Inventor： POLLAYI, Lakshminarayana , KASANI, Kumara Swamy , WU, Ligang
Abstract: Base station antenna calibration boards are provided. A base station antenna calibration board includes directional couplers and radio frequency (RF) transmission lines that are coupled to the directional couplers, respectively. Moreover, a first pair of the directional couplers has a coupler section that is between and coupled to a first pair of the RF transmission lines and that has a non-rectangular interior shape. Related base station antennas are also provided.
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2.发明申请MULTI-BAND ANTENNA ARRAYS WITH COMMON MODE RESONANCE (CMR) AND DIFFERENTIAL MODE RESONANCE (DMR) REMOVAL 审中-公开共模共振（CMR）和差分模式共振（DMR）去除的多频段天线阵列
公开(公告)号：WO2017177091A1
公开(公告)日：2017-10-12
申请号：PCT/US2017/026516
申请日：2017-04-07
Applicant: COMMSCOPE TECHNOLOGIES LLC
Inventor： SUN, Jing , WU, Ligang , WEN, Hangsheng , ZIMMERMAN, Martin
Abstract: A multi-band radiating array includes a planar reflector, first radiating elements defining a first column on the planar reflector, second radiating elements defining a second column on the planar reflector alongside the first column, and third radiating elements interspersed between the second radiating elements in the second column. The first radiating elements have a first operating frequency range, the second radiating elements have a second operating frequency range that is lower than the first operating frequency range, and the third radiating elements have a third, narrowband operating frequency range that is higher than the second operating frequency range but lower than the first operating frequency range. Respective capacitors are coupled between elongated arm segments and an elongated stalk of the third radiating elements, and a common mode resonance of the third radiating elements is present in a lower frequency range than the second operating frequency range,
Abstract translation: 多频带辐射阵列包括平面反射器，在平面反射器上限定第一列的第一辐射元件，在平面反射器上在第一列旁边限定第二列的第二辐射元件，以及第三辐射 散布在第二列中的第二辐射元件之间的元件。 第一辐射元件具有第一工作频率范围，第二辐射元件具有低于第一工作频率范围的第二工作频率范围，并且第三辐射元件具有比第二工作频率范围高的第三窄带工作频率范围 工作频率范围但低于第一工作频率范围。 各个电容器耦合在细长的臂段与第三辐射元件的细长茎之间，并且第三辐射元件的共模谐振存在于比第二操作频率范围更低的频率范围内，
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公开(公告)号：WO2022031326A1
公开(公告)日：2022-02-10
申请号：PCT/US2021/020470
申请日：2021-03-02
Applicant: COMMSCOPE TECHNOLOGIES LLC
Inventor： KASANI, Kumara Swamy , NARAGANI, Lenin , YEDDULA, Kamalakar , POLLAYI, Lakshminarayana , WU, Ligang
Abstract: Base station antennas are provided. A base station antenna includes a reflector having a first surface and a second surface that is opposite the first surface. The antenna includes first and second feed boards having first and second integrated beamforming networks, respectively, on the first surface of the reflector. The antenna includes a first plurality of high-band radiating elements that extend forward from the first feed board. The antenna includes a second plurality of high-band radiating elements that extend forward from the second feed board. Moreover, the antenna includes a plurality of low-band radiating elements on the first surface of the reflector.
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公开(公告)号：WO2020046550A1
公开(公告)日：2020-03-05
申请号：PCT/US2019/045605
申请日：2019-08-08
Applicant: COMMSCOPE TECHNOLOGIES LLC
Inventor： LU, Jianpeng , WEN, Hangsheng , WU, Ligang
Abstract: A feed network includes an adjustable electromechanical phase shifter that comprises a main printed circuit board and a phase shifting unit. The adjustable electromechanical phase shifter is configured to shift the phase of an RF signal that is input to the feed network and provide the phase shifted RF signal to at least one radiating element that is positioned on a first side of a reflector of an antenna, where the phase shifting unit is formed on the surface of a first side of the main printed circuit board, and the first side of the main printed circuit board is a side that is closer to the at least one radiating element, and the main printed circuit board is positioned on the first side of the reflector.
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公开(公告)号：WO2017176386A1
公开(公告)日：2017-10-12
申请号：PCT/US2017/019598
申请日：2017-02-27
Applicant: COMMSCOPE TECHNOLOGIES LLC
Inventor： WU, Ligang , SUN, Jing , WU, Bo
Abstract: A multi-band radiating array includes a reflector, a plurality of first radiating elements defining a first column on the reflector, a plurality of second radiating elements defining a second column on the reflector alongside the first column, and a plurality of third radiating elements defining a third column on the reflector between the first and second columns. The first radiating elements have a first operating frequency range, the second radiating elements have a second operating frequency range that is wider than the first operating frequency range, and the third radiating elements have a third operating frequency range that is lower than the second operating frequency range. Related radiating elements are also discussed.
Abstract translation: 多频带辐射阵列包括反射器，限定反射器上的第一列的多个第一辐射元件，限定位于第一列旁边的反射器上的第二列的多个第二辐射元件， 以及多个第三辐射元件，在第一和第二列之间的反射器上限定第三列。 第一辐射元件具有第一工作频率范围，第二辐射元件具有比第一工作频率范围宽的第二工作频率范围，并且第三辐射元件具有低于第二工作频率的第三工作频率范围 范围。 还讨论了相关的辐射元件。
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Patent Agency Ranking
公开(公告)号：WO2022265793A1
公开(公告)日：2022-12-22
申请号：PCT/US2022/029749
申请日：2022-05-18
Applicant: COMMSCOPE TECHNOLOGIES LLC
Inventor： KASANI, Kumara, Swamy , KALWANI, Rakesh , POLLAYI, Lakshminarayana , WU, Ligang
Abstract: Base station antennas are provided. A base station antenna includes a reflector and radiating elements that are in rows and columns on the reflector. Each of the radiating elements extends forwardly from the reflector. Moreover, the base station antenna includes power dividers that are on a calibration board, or on a feed board, of the base station antenna.
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公开(公告)号：WO2021194652A1
公开(公告)日：2021-09-30
申请号：PCT/US2021/017555
申请日：2021-02-11
Applicant: COMMSCOPE TECHNOLOGIES LLC
Inventor： KASANI, Kumara Swamy , NARAGANI, Lenin , WU, Ligang
Abstract: base station antenna includes a reflector containing a central reflector panel, a first side reflector panel at a first acute angle relative to the central reflector panel, and a second side reflector panel at a second acute angle relative to the central reflector panel. A multi-beam generator is provided, which is electrically coupled to an array of radiating elements on the first side, central and second side reflector panels. The multibeam generator is configured as: (i) a tri-beam generator with respect to RF signals in a first frequency band, and is further configured as: (ii) a dual-beam generator with respect to first RF signals in a second frequency band, and/or (iii) a dual-beam beamformer with respect to second RF signals in the second frequency band.
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公开(公告)号：WO2021003113A1
公开(公告)日：2021-01-07
申请号：PCT/US2020/040205
申请日：2020-06-30
Applicant: COMMSCOPE TECHNOLOGIES LLC
Inventor： CHEN, Changfu , WU, Ligang , WEN, Hangsheng
Abstract: A base station antenna comprises an array of radiating elements configured to emit electromagnetic radiation and an RF lens positioned to receive the electromagnetic radiation. The RF lens has a first surface facing the array of radiating elements and a second surface opposite the first surface. The RF lens is divided into a plurality of portions that extend from the first surface to the second surface, respectively, the plurality of portions having respective refractive indices for the electromagnetic radiation, wherein the plurality of portions are arranged, in a width direction of the RF lens, such that a first of the plurality of portions having the highest refractive index is in a middle portion of the radio frequency lens and others of the plurality of portions having lower refractive indices are on either side of the first of the plurality of portions.
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公开(公告)号：WO2020060816A1
公开(公告)日：2020-03-26
申请号：PCT/US2019/050557
申请日：2019-09-11
Applicant: COMMSCOPE TECHNOLOGIES LLC
Inventor： WU, Bo , WU, Runmiao , WU, Ligang , LV, Fusheng
Abstract: A radiating element for an antenna comprises at least one radiating arm having a first electrically conductive arm segment extending in a first direction and a second electrically conductive arm segment extending in a second direction and electrically connected to the first arm segment.
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公开(公告)号：WO2022164761A1
公开(公告)日：2022-08-04
申请号：PCT/US2022/013591
申请日：2022-01-25
Applicant: COMMSCOPE TECHNOLOGIES LLC
Inventor： HOU, XiaoHua , BISIULES, Peter , PATEL, Sammit , WU, Ligang , LI, Haifeng
IPC: H01Q1/24
Abstract: A base station antenna includes a plurality of pairs of RF ports, a tubular reflector, a plurality of columns of first frequency band radiating elements that are mounted to extend outwardly from the tubular reflector, the columns extending around a periphery of the tubular reflector and grouped into a plurality of column groups, where each column group includes at least three columns, and a plurality of feed networks, where each feed network connects one of the pairs of RF ports to a respective one of the column groups.
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