{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9591469","patent":{"patent_number":"US-9591469","title":"System and method for TDD configuration for D2D open discovery","assignee":null,"inventors":[],"filing_date":"2016-06-07T00:00:00.000Z","publication_date":"2017-03-07T00:00:00.000Z","cpc_codes":["H04W","H04L","H04L","H04L","H04L","H04W","H04L","H04L"],"num_claims":18,"abstract":"Embodiments are provided to support device-to-device (D2D) communications in a time-division duplexing (TDD) communications system, and ensure that D2D discovery signals are transmitted by user devices on an uplink subframe when there is a TDD frame configuration change. In an embodiment, a user device receives form the network a TDD frame configuration selected from a set of available TDD frame configurations according to the TDD configuration. The device further receives a D2D discovery configuration for a discovery time interval. The user device then allocates a transmission resource a D2D discovery signal within the discovery time interval according to the D2D discovery configuration. The user device is also configured to receive from another device a second D2D discovery signal during the discovery time interval in accordance with the TDD configuration and the D2D discovery configuration."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"System and method for TDD configuration for D2D open discovery","description":"Embodiments are provided to support device-to-device (D2D) communications in a time-division duplexing (TDD) communications system, and ensure that D2D discovery signals are transmitted by user device","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9591469","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-9591469","citation_suggestion":"Patentable. \"System and method for TDD configuration for D2D open discovery\" (US-9591469). https://patentable.app/patents/US-9591469","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9591469","json":"https://patentable.app/api/llm-context/US-9591469","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:40:20.664Z"}