{"id":8449,"number":"37.870","type":"TR","title":"Study on Multi-RAT joint coordination","series":37,"status":"Under change control","initial_release":"Rel-12","primary_group":"R3","secondary_groups":[],"portal_id":2632,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2632","dynareport_url":"https://www.3gpp.org/dynareport/37870.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:05:10.856565+00:00","updated_at":"2026-10-16T09:35:15.822667+00:00","raw_metadata":{"source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2632","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-08T02:28:55.510405+00:00","versions":[{"release":"Rel-13","version":"13.0.0","meeting":"RAN#68","upload_date":"2015-06-30","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.870/37870-d00.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-13","version":"2.0.0","meeting":"RAN#68","upload_date":"2015-06-21","comment":"RP-150808","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.870/37870-200.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-13","version":"1.4.0","meeting":"-","upload_date":"2015-06-15","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.870/37870-140.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-13","version":"1.3.0","meeting":"-","upload_date":"2015-06-15","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.870/37870-130.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-13","version":"1.2.0","meeting":"-","upload_date":"2015-06-15","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.870/37870-120.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-13","version":"1.1.0","meeting":"-","upload_date":"2015-06-15","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.870/37870-110.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-13","version":"1.0.0","meeting":"RAN#67","upload_date":"2015-03-18","comment":"RP-150264","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.870/37870-100.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-13","version":"0.5.0","meeting":"-","upload_date":"2015-03-18","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.870/37870-050.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.4.0","meeting":"-","upload_date":"2014-11-13","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.870/37870-040.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.2.0","meeting":"-","upload_date":"2014-07-10","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.870/37870-020.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.1.0","meeting":"-","upload_date":"2014-04-23","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.870/37870-010.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.0.1","meeting":"-","upload_date":"2014-04-23","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/37_series/37.870/37870-001.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"}],"release_presence":[{"release":"Rel-12","first_version_date":"2014-04-23","latest_version_date":"2014-11-13","first_version":"0.0.1","latest_version":"0.4.0","version_count":4},{"release":"Rel-13","first_version_date":"2015-03-18","latest_version_date":"2015-06-30","first_version":"0.5.0","latest_version":"13.0.0","version_count":8}],"classifications":[],"work_items":[{"uid":620045,"acronym":"FS_MultiRAT_JC","effective_acronym":"FS_MultiRAT_JC","title":"Study on Multi-RAT joint coordination","responsible_groups":["R4"],"release":"Rel-13","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=2632","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/37.870/relationship-evidence"}}