{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10516516","patent":{"patent_number":"US-10516516","title":"Precoding information obtaining method, and device","assignee":null,"inventors":[],"filing_date":"2017-07-20T00:00:00.000Z","publication_date":"2019-12-24T00:00:00.000Z","cpc_codes":["H04L","H04B","H04L","H04L","H04W","H04B","H04L","H04L"],"num_claims":15,"abstract":"Embodiments of the present invention provide a precoding information obtaining method and a device. The method includes: separately precoding, by a network device by using N sub-codebooks, a pilot group including K pilots to obtain N precoded pilot groups, where the sub-codebooks are subsets of a precoding codebook, the precoding codebook includes M precoding vectors, each sub-codebook includes K precoding vectors; sending, by the network device, a precoded pilot group to a terminal device in each of W RB groups; and receiving, by the network device, precoding information fed back by the terminal device for any one of W precoded pilot groups. According to the precoding information obtaining method and the device, a quantity of pilot signals sent by the network device in each RB group is reduced, and pilot overheads in each RB group are reduced."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Precoding information obtaining method, and device","description":"Embodiments of the present invention provide a precoding information obtaining method and a device. The method includes: separately precoding, by a network device by using N sub-codebooks, a pilot gro","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10516516","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-10516516","citation_suggestion":"Patentable. \"Precoding information obtaining method, and device\" (US-10516516). https://patentable.app/patents/US-10516516","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10516516","json":"https://patentable.app/api/llm-context/US-10516516","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:51:43.472Z"}