{"id":6342,"number":"25.902","type":"TR","title":"Iub/Iur congestion control","series":25,"status":"Under change control","initial_release":"Rel-6","primary_group":"R3","secondary_groups":[],"portal_id":1334,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1334","dynareport_url":"https://www.3gpp.org/dynareport/25902.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:04:52.956817+00:00","updated_at":"2026-10-16T09:34:55.609033+00:00","raw_metadata":{"source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1334","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-08T00:06:34.832852+00:00","versions":[{"release":"Rel-7","version":"7.1.0","meeting":"RAN#35","upload_date":"2007-03-23","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/25_series/25.902/25902-710.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":22793,"version_status":null},{"release":"Rel-7","version":"7.0.0","meeting":"RAN#33","upload_date":"2006-10-10","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/25_series/25.902/25902-700.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":29216,"version_status":null},{"release":"Rel-6","version":"6.1.0","meeting":"RAN#33","upload_date":"2006-10-10","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/25_series/25.902/25902-610.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":30462,"version_status":null},{"release":"Rel-6","version":"6.0.0","meeting":"RAN#29","upload_date":"2005-10-05","comment":"Quite a lot of editorial revi...","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/25_series/25.902/25902-600.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":null},{"release":"Rel-6","version":"2.0.0","meeting":"RAN#29","upload_date":"2005-09-21","comment":"RP-050436","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/25_series/25.902/25902-200.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-6","version":"1.0.0","meeting":"RAN#28","upload_date":"2005-07-06","comment":"RP-050231","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/25_series/25.902/25902-100.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"}],"release_presence":[{"release":"Rel-6","first_version_date":"2005-07-06","latest_version_date":"2006-10-10","first_version":"1.0.0","latest_version":"6.1.0","version_count":4},{"release":"Rel-7","first_version_date":"2006-10-10","latest_version_date":"2007-03-23","first_version":"7.0.0","latest_version":"7.1.0","version_count":2}],"classifications":[],"work_items":[{"uid":1222,"acronym":"LCRTDD","effective_acronym":"LCRTDD","title":"Low Chip Rate TDD option","responsible_groups":["R1"],"release":"Rel-4","status":"Awaiting approval","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=1334","association_sources":[],"association_status":"historical_unverified"},{"uid":35016,"acronym":"CH","effective_acronym":"CH","title":"Rel-6 Charging Management","responsible_groups":["S2","S5"],"release":"Rel-6","status":"Awaiting approval","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=1334","association_sources":[],"association_status":"historical_unverified"},{"uid":20003,"acronym":"EDCH","effective_acronym":"EDCH","title":"FDD Enhanced Uplink","responsible_groups":["R1","R2","R3","R4","R5"],"release":"Rel-6","status":"Awaiting approval","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=1334","association_sources":[],"association_status":"historical_unverified"},{"uid":20007,"acronym":"EDCH-IurIub","effective_acronym":"EDCH-IurIub","title":"FDD Enhanced Uplink - UTRAN Iub/Iur Protocol Aspects","responsible_groups":["R3"],"release":"Rel-6","status":"Awaiting approval","wi_level":"Building Block (2nd level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1334","association_sources":[],"association_status":"historical_unverified"},{"uid":60111,"acronym":"TEI6","effective_acronym":"TEI6","title":"(Small) Technical Enhancements and Improvements for Rel-6","responsible_groups":["RP"],"release":"Rel-6","status":"Awaiting approval","wi_level":"Feature (1st level)","type":"Work Item","first_release":"Rel-6","last_release":"Rel-6","provenance_type":"parsed","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20261012.zip","association_sources":["crdb"],"association_status":"source_tracked"},{"uid":20035,"acronym":"EDCHTDD","effective_acronym":"EDCHTDD","title":"3.84 Mcps TDD Enhanced Uplink","responsible_groups":["RP"],"release":"Rel-7","status":"Awaiting approval","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=1334","association_sources":[],"association_status":"historical_unverified"},{"uid":20039,"acronym":"EDCHTDD-IurIub","effective_acronym":"EDCHTDD-IurIub","title":"EDCHTDD: UTRAN Iub/Iur Protocol Aspects","responsible_groups":["R3"],"release":"Rel-7","status":"Awaiting approval","wi_level":"Building Block (2nd level)","type":"Work Item","first_release":"Rel-7","last_release":"Rel-7","provenance_type":"official","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20261012.zip","association_sources":["crdb"],"association_status":"source_tracked"},{"uid":20055,"acronym":"LCRTDD-EDCH","effective_acronym":"LCRTDD-EDCH","title":"1.28 Mcps TDD Enhanced Uplink","responsible_groups":["R1","R2","R3","R4","R5"],"release":"Rel-7","status":"Awaiting approval","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=1334","association_sources":[],"association_status":"historical_unverified"},{"uid":20058,"acronym":"LCRTDD-EDCH-IubIur","effective_acronym":"LCRTDD-EDCH-IubIur","title":"1.28 Mcps TDD Enhanced Uplink: UTRAN Iub/Iur Protocol Aspects","responsible_groups":["R3"],"release":"Rel-7","status":"Awaiting approval","wi_level":"Building Block (2nd level)","type":"Work Item","first_release":"Rel-7","last_release":"Rel-7","provenance_type":"official","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20261012.zip","association_sources":["crdb"],"association_status":"source_tracked"},{"uid":14012,"acronym":"Mp","effective_acronym":"Mp","title":"Mp (MRFC - MRFP) interface","responsible_groups":["C1","C4"],"release":"Rel-7","status":"Awaiting approval","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=1334","association_sources":[],"association_status":"historical_unverified"},{"uid":7031,"acronym":"RANimp-VHCRTDD-EDCH","effective_acronym":"RANimp-VHCRTDD-EDCH","title":"7.68 Mcps TDD Enhanced Uplink","responsible_groups":["R1"],"release":"Rel-7","status":"Awaiting approval","wi_level":"Building Block (2nd level)","type":"Work Item","first_release":"Rel-7","last_release":"Rel-7","provenance_type":"official","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20261012.zip","association_sources":["crdb"],"association_status":"source_tracked"},{"uid":20014,"acronym":"VHCRTDD","effective_acronym":"VHCRTDD","title":"7.68 Mcps TDD option","responsible_groups":["R1","R2","R3","R4","R5"],"release":"Rel-7","status":"Awaiting approval","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=1334","association_sources":[],"association_status":"historical_unverified"},{"uid":430013,"acronym":"Effective Acronym:","effective_acronym":"WI Level:","title":"Rel-9 RAN improvements","responsible_groups":["RP"],"release":"Rel-9","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=1334","association_sources":[],"association_status":"historical_unverified"}],"change_requests":[{"portal_cr_id":null,"cr_number":"0001","revision":null,"category":"B","impacted_version":"6.0.0","target_release":"Rel-7","title":"Introduction of 3.84 Mcps TDD Enhanced Uplink","wg_tdoc":"R3-061128","wg_status":"agreed","tsg_tdoc":"RP-060512","tsg_status":"withdrawn","new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0002","revision":null,"category":"B","impacted_version":"6.0.0","target_release":"Rel-7","title":"Introduction of 3.84 Mcps and 7.68Mcps TDD Enhanced Uplink","wg_tdoc":"R3-061134","wg_status":"agreed","tsg_tdoc":"RP-060511","tsg_status":"approved","new_version":"7.0.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0004","revision":null,"category":"B","impacted_version":"7.0.0","target_release":"Rel-7","title":"Introduction of 1.28 Mcps TDD Enhanced Uplink","wg_tdoc":"R3-070191","wg_status":"agreed","tsg_tdoc":"RP-070062","tsg_status":"approved","new_version":"7.1.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0003","revision":null,"category":"D","impacted_version":"6.0.0","target_release":"Rel-6","title":"Removal of erroneous References from TR 25.902 Iub/Iur Congestion Control","wg_tdoc":"R3-061249","wg_status":"revised","tsg_tdoc":null,"tsg_status":null,"new_version":"..","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null},{"portal_cr_id":null,"cr_number":"0003","revision":"1","category":"F","impacted_version":"6.0.0","target_release":"Rel-6","title":"Removal of erroneous References from TR 25.902 Iub/Iur Congestion Control","wg_tdoc":"R3-061292","wg_status":"agreed","tsg_tdoc":"RP-060507","tsg_status":"approved","new_version":"6.1.0","source_url":"ftp://ftp.3gpp.org/Information/Databases/Change_Request/CRDB_20260715.zip","detail_synced_at":null}],"relationships":[],"relationship_release_evidence_summary":[],"relationship_release_evidence":[],"relationship_release_evidence_meta":{"total":0,"returned_count":0,"limit":100,"truncated":false,"href":"/api/specs/25.902/relationship-evidence"}}