(19)

(11)

EP 4 824 586 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24827115.7 (22) Date of filing: 10.12.2024

(51) International Patent Classification (IPC):  G01S 19/40(2010.01) G01S 5/00(2006.01) G01S 19/47(2010.01) G06N 3/08(2023.01) (52) Cooperative Patent Classification (CPC): G01S 19/47; G06N 3/08; G01S 5/011; G01S 19/40 (86) International application number: PCT/GB2024/053060 (87) International publication number: WO 2025/125782 (19.06.2025 Gazette 2025/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 12.12.2023 US 202363608926 P (71) Applicant: Focal Point Positioning Limited Cambridge, Cambridgeshire CB4 3NP (GB)	(72) Inventors: FARAGHER, Ramsey Michael Cambridge CB4 3NP (GB) CROCKETT, Robert Mark Cambridge CB4 3NP (GB) DUFFETT-SMITH, Peter James Cambridge CB4 3NP (GB) (74) Representative: HGF  HGF Limited 4th Floor, 1 City Square Leeds LS1 2ES Leeds LS1 2ES (GB)