12-03-2020 дата публикации
Номер: US20200083609A1
Принадлежит:
A dielectric resonator antenna, DRA, includes: an electrically conductive ground structure; a plurality of volumes of dielectric materials disposed on the ground structure comprising N volumes, N being an integer equal to or greater than 3, disposed to form sequential layered volumes V, i being an integer from 1 to N, wherein volume Vforms an innermost first volume, wherein a successive volume Vforms a layered shell disposed over and at least partially embedding volume V, wherein volume Vat least partially embeds all volumes Vto V; wherein a portion of the dielectric material of volume Vbifurcates at least a portion of volumes Vto V; wherein the plurality of volumes of dielectric materials has a first effective dielectric constant along a first geometrical path, and has a second effective dielectric constant along a second geometrical path that is lower than the first effective dielectric constant. 1. A dielectric resonator antenna , DRA , comprising:an electrically conductive ground structure;{'sub': i', '1', 'i+1', 'i', 'N', '1', 'N−1, 'a plurality of volumes of dielectric materials disposed on the ground structure comprising N volumes, N being an integer equal to or greater than 3, disposed to form successive and sequential layered volumes V, i being an integer from 1 to N, wherein volume Vforms an innermost first volume, wherein a successive volume Vforms a layered shell disposed over and at least partially embedding volume V, wherein volume Vat least partially embeds all volumes Vto V;'}{'sub': N', '1', 'N−1, 'wherein a portion of the dielectric material of volume Vbifurcates at least a portion of volumes Vto Vin a plane that is perpendicular to the ground structure;'}wherein, as observed in a plan view of the DRA, the plurality of volumes of dielectric materials has a first effective dielectric constant along a first A-B geometrical path, and has a second effective dielectric constant along a second C-D geometrical path that is lower than the first effective ...
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