{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9774430","patent":{"patent_number":"US-9774430","title":"Method and apparatus for channel estimation in wireless communication system","assignee":null,"inventors":[],"filing_date":"2015-05-21T00:00:00.000Z","publication_date":"2017-09-26T00:00:00.000Z","cpc_codes":["H04L","H04B","H04L","H04L","H04L"],"num_claims":8,"abstract":"A method for estimating a channel transmitted through a 2-dimensional (2D) array antenna by a user equipment (UE) in a wireless communication system comprising calculating channel estimation values for each of horizontal and vertical direction antenna arrays of the 2D array antenna in a channel state information-reference signal (CSI-RS) resource using a discrete Fourier transform (DFT) based channel estimation scheme, wherein the channel estimation values are expressed as one or more non-zero channel taps due to multipath fading; deriving channel vectors for each of the horizontal direction antenna arrays and channel vectors for each of the vertical direction antenna arrays using L significant power sums of filtered channel taps; and calculating channel vectors of the 2D array antenna by operating Kronecker product of the channel vectors for each of the horizontal direction antenna arrays and the channel vectors for each of the vertical direction antenna arrays."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for channel estimation in wireless communication system","description":"A method for estimating a channel transmitted through a 2-dimensional (2D) array antenna by a user equipment (UE) in a wireless communication system comprising calculating channel estimation values fo","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9774430","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-9774430","citation_suggestion":"Patentable. \"Method and apparatus for channel estimation in wireless communication system\" (US-9774430). https://patentable.app/patents/US-9774430","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9774430","json":"https://patentable.app/api/llm-context/US-9774430","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:37:05.947Z"}