{"ID":2842794,"CreatedAt":"2026-06-01T04:54:23.091178241Z","UpdatedAt":"2026-06-01T04:54:23.091178241Z","DeletedAt":null,"paper_url":"https://arxiv.org/abs/2511.09244","arxiv_id":"2511.09244","title":"Flexible Continuous Aperture Arrays","abstract":"A novel electromagnetic (EM) structure termed flexible continuous aperture array (FCAPA) is proposed, which incorporates inherent surface flexibility into typical continuous aperture array (CAPA) systems, thereby enhancing the degrees-of-freedom (DoF) of multiple-input multiple-output (MIMO) systems equipped with this technology. By formulating and solving a downlink multi-user beamforming optimization problem to maximize the weighted sum rate (WSR) of the multiple users with FCAPA, it is shown that the proposed structure outperforms typical CAPA systems by a wide margin, with performance increasing with increasing morphability.","short_abstract":"A novel electromagnetic (EM) structure termed flexible continuous aperture array (FCAPA) is proposed, which incorporates inherent surface flexibility into typical continuous aperture array (CAPA) systems, thereby enhancing the degrees-of-freedom (DoF) of multiple-input multiple-output (MIMO) systems equipped with this...","url_abs":"https://arxiv.org/abs/2511.09244","url_pdf":"https://arxiv.org/pdf/2511.09244v1","authors":"[\"Kuranage Roche Rayan Ranasinghe\",\"Zhaolin Wang\",\"Giuseppe Thadeu Freitas de Abreu\",\"Emil Björnson\"]","published":"2025-11-12T12:06:06Z","proceeding":"eess.SP","tasks":"[\"eess.SP\"]","methods":"[]","has_code":false}