{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11996879","patent":{"patent_number":"US-11996879","title":"Removal of passive intermodulation in antenna systems","assignee":null,"inventors":[],"filing_date":"2020-03-18T00:00:00.000Z","publication_date":"2024-05-28T00:00:00.000Z","cpc_codes":["H04B","H04B"],"num_claims":17,"abstract":"There is provided mechanisms for PIM removal in an antenna system. A method is performed by a controller of the antenna codebook based beamforming, which transmission radio chains of the antenna system that cause a signal received by receiver radio chains of the antenna system to be impacted by PIM. These transmission radio chains are identified based on which codeword in the codebook is used for the beamforming. The method comprises determining a correction signal by subjecting the signals only as transmitted by the identified transmission radio chains to a model of the PIM. The method comprises removing PIM from the signal received by the receiver radio chains by subtracting the correction signal from the signal received by the receiver radio chains."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Removal of passive intermodulation in antenna systems","description":"There is provided mechanisms for PIM removal in an antenna system. A method is performed by a controller of the antenna codebook based beamforming, which transmission radio chains of the antenna syste","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11996879","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11996879","citation_suggestion":"Patentable. \"Removal of passive intermodulation in antenna systems\" (US-11996879). https://patentable.app/patents/US-11996879","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11996879","json":"https://patentable.app/api/llm-context/US-11996879","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T00:15:25.222Z"}