{"id":8604,"number":"38.753","type":"TR","title":"Study on spatial channel model for demodulation performance requirements for NR","series":38,"status":"Under change control","initial_release":"Rel-19","primary_group":"R4","secondary_groups":[],"portal_id":4331,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=4331","dynareport_url":"https://www.3gpp.org/dynareport/38753.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:05:13.542379+00:00","updated_at":"2026-10-16T09:35:23.765577+00:00","raw_metadata":{"source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=4331","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-08T02:36:55.559172+00:00","versions":[{"release":"Rel-19","version":"19.0.0","meeting":"RAN#109","upload_date":"2025-10-02","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/38_series/38.753/38753-j00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-19","version":"2.0.0","meeting":"RAN#109","upload_date":"2025-09-05","comment":"","official_file_url":"https://ftp.3gpp.org//Specs/archive/38_series/38.753/38753-200.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-19","version":"1.1.0","meeting":"RAN4#116","upload_date":"2025-09-05","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/38_series/38.753/38753-110.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-19","version":"0.1.0","meeting":"RAN4#115","upload_date":"2025-06-01","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/38_series/38.753/38753-010.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-19","version":"1.0.0","meeting":"RAN#108","upload_date":"2025-05-30","comment":"","official_file_url":"https://ftp.3gpp.org//Specs/archive/38_series/38.753/38753-100.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-19","version":"0.0.1","meeting":"RAN4#112-bis","upload_date":"2024-10-07","comment":"","official_file_url":"https://ftp.3gpp.org//Specs/archive/38_series/38.753/38753-001.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"}],"release_presence":[{"release":"Rel-19","first_version_date":"2024-10-07","latest_version_date":"2025-10-02","first_version":"0.0.1","latest_version":"19.0.0","version_count":6}],"classifications":[],"work_items":[{"uid":1040100,"acronym":"FS_NR_demod_SCM","effective_acronym":"FS_NR_demod_SCM","title":"Study on spatial channel model for demodulation performance requirements for NR","responsible_groups":["R4"],"release":"Rel-19","status":"PCG approved","wi_level":"Feature (1st level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=4331","association_sources":[],"association_status":"historical_unverified"}],"change_requests":[],"relationships":[],"relationship_release_evidence_summary":[],"relationship_release_evidence":[],"relationship_release_evidence_meta":{"total":0,"returned_count":0,"limit":100,"truncated":false,"href":"/api/specs/38.753/relationship-evidence"}}