BASE STATION ANTENNA WITH FREQUENCY SELECTIVE SURFACE

    公开(公告)号:EP4235971A2

    公开(公告)日:2023-08-30

    申请号:EP23170569.0

    申请日:2021-06-10

    IPC分类号: H01Q21/06

    摘要: A base station antenna that extends along a longitudinal direction comprising: a plurality of columns of first radiating elements configured for operating in a first operational frequency band, each column of first radiating elements comprising a plurality of first radiating elements arranged in the longitudinal direction; and an isolation wall positioned between adjacent columns of first radiating elements and extending in the longitudinal direction, wherein the isolation wall comprises a frequency selective surface configured such that electromagnetic waves within the first operational frequency band are substantially blocked by the isolation wall, wherein the isolation wall comprises a dielectric board having opposite first and second sides, the first and second sides facing respective columns of first radiating elements, each formed with a periodic conductive structure, the periodic conductive structures forming the frequency selective surface, wherein the isolation wall comprises a plurality of isolation units arranged periodically, each isolation unit comprising a first unit structure forming the periodic conductive structure on the first side of the dielectric board and a second unit structure forming the periodic conductive structure on the second side of the dielectric board, a position of the first unit structure included in each isolation unit on the first side of the dielectric board corresponding to a position of the second unit structure included in that isolation unit on the second side of the dielectric board, wherein the periodic conductive structure on the first side of the dielectric board comprises a grid array structure, the first unit structure comprises a grid serving as a repetition unit in the grid array structure, and the periodic conductive structure on the second side of the dielectric board comprises a patch array structure, the second unit structure comprises a patch serving as a repetition unit in the patch array structure.

    BASE STATION ANTENNA WITH FREQUENCY SELECTIVE SURFACE

    公开(公告)号:EP4235971A3

    公开(公告)日:2023-09-06

    申请号:EP23170569.0

    申请日:2021-06-10

    摘要: A base station antenna that extends along a longitudinal direction comprising: a plurality of columns of first radiating elements configured for operating in a first operational frequency band, each column of first radiating elements comprising a plurality of first radiating elements arranged in the longitudinal direction; and an isolation wall positioned between adjacent columns of first radiating elements and extending in the longitudinal direction, wherein the isolation wall comprises a frequency selective surface configured such that electromagnetic waves within the first operational frequency band are substantially blocked by the isolation wall, wherein the isolation wall comprises a dielectric board having opposite first and second sides, the first and second sides facing respective columns of first radiating elements, each formed with a periodic conductive structure, the periodic conductive structures forming the frequency selective surface, wherein the isolation wall comprises a plurality of isolation units arranged periodically, each isolation unit comprising a first unit structure forming the periodic conductive structure on the first side of the dielectric board and a second unit structure forming the periodic conductive structure on the second side of the dielectric board, a position of the first unit structure included in each isolation unit on the first side of the dielectric board corresponding to a position of the second unit structure included in that isolation unit on the second side of the dielectric board, wherein the periodic conductive structure on the first side of the dielectric board comprises a grid array structure, the first unit structure comprises a grid serving as a repetition unit in the grid array structure, and the periodic conductive structure on the second side of the dielectric board comprises a patch array structure, the second unit structure comprises a patch serving as a repetition unit in the patch array structure.

    BASE STATION ANTENNA WITH FREQUENCY SELECTIVE SURFACE

    公开(公告)号:EP3923411A1

    公开(公告)日:2021-12-15

    申请号:EP21178811.2

    申请日:2021-06-10

    摘要: A base station antenna comprises a plurality of columns of first radiating elements configured for operating in a first operational frequency band, each column of first radiating elements comprising a plurality of first radiating elements arranged in a longitudinal direction and an isolation wall positioned between adjacent columns of first radiating elements and extending in the longitudinal direction. The isolation wall comprises a frequency selective surface configured such that electromagnetic waves within the first operational frequency band are substantially blocked by the isolation wall.

    ANTENNA, MULTIBAND ANTENNA AND ANTENNA TUNING METHOD

    公开(公告)号:EP3920324A1

    公开(公告)日:2021-12-08

    申请号:EP21176288.5

    申请日:2021-05-27

    摘要: An antenna includes a reflector having a front side that includes a first region and a second region that does not overlap the first region, a first column of radiating elements element that is located on the front side of the reflector and is configured to emit electromagnetic radiation within a first frequency band, the first column of radiating elements mounted to extend forwardly from the first region, and a reflection reducing component mounted forwardly of the second region, wherein the reflection reducing component is configured such that electromagnetic radiation within the first frequency band that is reflected by the reflection reducing component is weaker than electromagnetic radiation within the first frequency band that is reflected by the first region of the reflector.

    MULTI-BAND ANTENNA
    5.
    发明公开
    MULTI-BAND ANTENNA 审中-公开

    公开(公告)号:EP4210168A1

    公开(公告)日:2023-07-12

    申请号:EP23150348.3

    申请日:2023-01-04

    摘要: A multi-band antenna includes a first column of radiating elements that are configured to operate in a first operating frequency band mounted on a reflecting plate; a second column of radiating elements that are configured to operate in a second operating frequency band mounted on the reflecting plate; a first fence and a second fence located on both sides of the reflecting plate that extend forward from the reflecting plate, where the first and second columns of radiating elements are arranged in between the first and second fences, the first fence and the second fence respectively comprise a frequency selective surface with a passband and a stopband, the passband covers at least the first operating frequency band, and the stopband covers at least the second operating frequency band.

    MULTI-BAND ANTENNA AND METHOD FOR TUNING MULTI-BAND ANTENNA

    公开(公告)号:EP4053996A1

    公开(公告)日:2022-09-07

    申请号:EP22158144.0

    申请日:2022-02-23

    发明人: GUO, Pengfei

    摘要: A multi-band antenna, including a reflector; a first radiating element that is mounted to extend forwardly from the reflector and configured to operate within a first frequency band; a second radiating element that is mounted to extend forwardly from the reflector and configured to operate within a second frequency band that is different from the first frequency band; and a metamaterial adjusting element that is mounted to extend forwardly from the reflector and configured to reflect electromagnetic radiation incident on the metamaterial adjusting element that is within a first portion of the second frequency band.