BEAMFORMING ANTENNAS THAT SHARE RADIO PORTS ACROSS MULTIPLE COLUMNS

    公开(公告)号:US20220131578A1

    公开(公告)日:2022-04-28

    申请号:US17567934

    申请日:2022-01-04

    Abstract: Antenna systems are provided. An antenna system includes a beamforming array having a plurality of vertical columns of radiating elements that are each configured to transmit at least three antenna beams per polarization. Moreover, the antenna system includes a beamforming radio having a plurality of radio frequency ports per polarization that are coupled to and fewer than the vertical columns.

    MASSIVE MIMO (mMIMO) ANTENNA WITH PHASE SHIFTER AND RADIO SIGNAL PHASE SYNCHRONIZATION

    公开(公告)号:US20210288394A1

    公开(公告)日:2021-09-16

    申请号:US17176373

    申请日:2021-02-16

    Inventor: Mikko Junttila

    Abstract: A base station antenna includes a first column of radiating elements containing a first plurality of physical rows of radiating elements, which are collectively operable as a first logical row of radiating elements responsive to a first radio frequency signal (RF1), and (ii) a second plurality of physical rows of radiating elements, which are collectively operable as a second logical row of radiating elements responsive to a second radio frequency signal (RF2). The radiating elements within both the first column and the first logical row include a first plurality of radiating elements responsive to RF1, and a second plurality of radiating elements responsive to a phase delayed version of RF1 generated by a first adjustable phase shifter. A radio frequency (RF) signal generator is provided to adjust a phase of RF2 relative to a phase of RF1, in-sync with a change in a phase delay (and static electric tilt) provided by the first adjustable phase shifter. This in-sync adjustment may support an improvement antenna beam characteristics, including suppression of undesired side-lobes.

    Massive MIMO (mMIMO) antenna with phase shifter and radio signal phase synchronization

    公开(公告)号:US11316258B2

    公开(公告)日:2022-04-26

    申请号:US17176373

    申请日:2021-02-16

    Inventor: Mikko Junttila

    Abstract: A base station antenna includes a first column of radiating elements containing a first plurality of physical rows of radiating elements, which are collectively operable as a first logical row of radiating elements responsive to a first radio frequency signal (RF1), and (ii) a second plurality of physical rows of radiating elements, which are collectively operable as a second logical row of radiating elements responsive to a second radio frequency signal (RF2). The radiating elements within both the first column and the first logical row include a first plurality of radiating elements responsive to RF1, and a second plurality of radiating elements responsive to a phase delayed version of RF1 generated by a first adjustable phase shifter. A radio frequency (RF) signal generator is provided to adjust a phase of RF2 relative to a phase of RF1, in-sync with a change in a phase delay (and static electric tilt) provided by the first adjustable phase shifter. This in-sync adjustment may support an improvement antenna beam characteristics, including suppression of undesired side-lobes.

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