A circular polarized antenna array based on the recursive application of the sequential rotation architecture is presented. The first level sequential arrangement is applied to a set of four non-identical slightly detuned patches, resulting in a broadband improper array. At second level the sequential arrangement is applied to four identical first-level sub-arrays, regularizing the structure. Experimental validations confirm a gain exceeding 10 dB from 5.35 GHz to 7.25 GHz, with a maximum of 13 dB. Global bandwidth is 30% despite an area of only 2.84\lambda^2_0.

16-Element circular polarised antenna array based on sequential arrangement of non-identical disc patches / Maddio, S.*; Pelosi, G.; Righini, M.; Selleri, S.. - In: ELECTRONICS LETTERS. - ISSN 0013-5194. - STAMPA. - 54:(2018), pp. 113-114. [10.1049/el.2017.4149]

### 16-Element circular polarised antenna array based on sequential arrangement of non-identical disc patches

#### Abstract

A circular polarized antenna array based on the recursive application of the sequential rotation architecture is presented. The first level sequential arrangement is applied to a set of four non-identical slightly detuned patches, resulting in a broadband improper array. At second level the sequential arrangement is applied to four identical first-level sub-arrays, regularizing the structure. Experimental validations confirm a gain exceeding 10 dB from 5.35 GHz to 7.25 GHz, with a maximum of 13 dB. Global bandwidth is 30% despite an area of only 2.84\lambda^2_0.
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114
Maddio, S.*; Pelosi, G.; Righini, M.; Selleri, S.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2158/1112201