{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9673950","patent":{"patent_number":"US-9673950","title":"Method and apparatus for transmitting uplink reference signal in a multi-antenna wireless communication system","assignee":null,"inventors":[],"filing_date":"2016-03-08T00:00:00.000Z","publication_date":"2017-06-06T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04L","H04W","H04W","H04B","H04L","H04L","H04W"],"num_claims":16,"abstract":"A method is presented for transmitting signals at a User Equipment (UE) in a multi-antenna wireless communication system. Acknowledgment (ACK)/negative ACK (NACK) information is received from a base station (BS). At least one transport block negatively acknowledged by the ACK/NACK information is retransmitted to the BS. An uplink grant for retransmitting the at least one transport block is not detected. If a number of the at least one transport block is not equal to a number of transport blocks indicated by a most recent uplink grant, cyclic shift values and orthogonal cover codes (OCCs) of a demodulation reference signal (DMRS) for the at least one transport block are configured based on a cyclic shift field included in the most recent uplink grant and a number of layers corresponding to the at least one transport block."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for transmitting uplink reference signal in a multi-antenna wireless communication system","description":"A method is presented for transmitting signals at a User Equipment (UE) in a multi-antenna wireless communication system. Acknowledgment (ACK)/negative ACK (NACK) information is received from a base s","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9673950","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-9673950","citation_suggestion":"Patentable. \"Method and apparatus for transmitting uplink reference signal in a multi-antenna wireless communication system\" (US-9673950). https://patentable.app/patents/US-9673950","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9673950","json":"https://patentable.app/api/llm-context/US-9673950","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:40:06.439Z"}