{"id":8268,"number":"36.851","type":"TR","title":"Inter-band carrier aggregation","series":36,"status":"Withdrawn before change control","initial_release":"Rel-12","primary_group":"R4","secondary_groups":[],"portal_id":2552,"portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","dynareport_url":"https://www.3gpp.org/dynareport/36851.htm","publication_scope":null,"radio_technologies":[],"first_seen_at":"2026-09-16T11:05:09.774825+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=2552","bibliography_source":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv"},"detail_synced_at":"2026-10-08T02:19:35.407082+00:00","versions":[{"release":"Rel-12","version":"1.0.0","meeting":"RAN#66","upload_date":"2014-12-17","comment":"RP-142015","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/36_series/36.851/36851-100.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.12.0","meeting":"-","upload_date":"2014-09-29","comment":"R4-144851","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/36_series/36.851/36851-0c0.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":"2013-04-25","comment":"","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/36_series/36.851/36851-040.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.3.0","meeting":"-","upload_date":"2012-11-27","comment":"R4-130546","official_file_url":"https://www.3gpp.org/ftp/Specs/archive/36_series/36.851/36851-030.zip","source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.9.0","meeting":"-","upload_date":null,"comment":"R4-140843","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.8.0","meeting":"-","upload_date":null,"comment":"R4-135966","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.7.0","meeting":"-","upload_date":null,"comment":"R4-134922","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.6.0","meeting":"-","upload_date":null,"comment":"R4-133849","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.5.0","meeting":"-","upload_date":null,"comment":"R4-132863","official_file_url":null,"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":null,"comment":"","official_file_url":null,"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":null,"comment":"","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.14.0","meeting":"-","upload_date":null,"comment":"R4-147550","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.13.0","meeting":"-","upload_date":null,"comment":"R4-146316","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.12.0","meeting":"-","upload_date":null,"comment":"R4-144851","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.11.0","meeting":"-","upload_date":null,"comment":"R4- 143471","official_file_url":null,"source_url":"ftp://ftp.3gpp.org/Information/Databases/3GPPBibliography.csv","portal_version_id":null,"version_status":"pre-approval"},{"release":"Rel-12","version":"0.10.0","meeting":"-","upload_date":null,"comment":"R4-141475","official_file_url":null,"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":null,"comment":"","official_file_url":null,"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":"2012-11-27","latest_version_date":"2014-12-17","first_version":"0.1.0","latest_version":"1.0.0","version_count":17}],"classifications":[],"work_items":[{"uid":600128,"acronym":"LTE_CA_B12_B25-Core","effective_acronym":"LTE_CA_B12_B25-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 12 and Band 25","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":590124,"acronym":"LTE_CA_B19_B21-Core","effective_acronym":"LTE_CA_B19_B21-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 19 and Band 21","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":610119,"acronym":"LTE_CA_B1_B11-Core","effective_acronym":"LTE_CA_B1_B11-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 1 and Band 11","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":600129,"acronym":"LTE_CA_B1_B18_BWset-Core","effective_acronym":"LTE_CA_B1_B18_BWset-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 1 and Band 18 - Additional bandwidth combination set","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":580132,"acronym":"LTE_CA_B1_B26-Core","effective_acronym":"LTE_CA_B1_B26-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 1 and Band 26","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":620119,"acronym":"LTE_CA_B1_B28-Core","effective_acronym":"LTE_CA_B1_B28-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 1 and Band 28","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":620118,"acronym":"LTE_CA_B1_B3-Core","effective_acronym":"LTE_CA_B1_B3-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 1 and Band 3","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":620151,"acronym":"LTE_CA_B1_B3_B20-Core","effective_acronym":"LTE_CA_B1_B3_B20-Core","title":"Core part:LTE Advanced 3 Band Carrier Aggregation (3DL/1UL) for Band 1, Band 3 and Band 20","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":530125,"acronym":"LTE_CA_B1_B7-Core","effective_acronym":"LTE_CA_B1_B7-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 1 and Band 7","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":620152,"acronym":"LTE_CA_B1_B7_B20-Core","effective_acronym":"LTE_CA_B1_B7_B20-Core","title":"Core part:LTE Advanced 3 Band Carrier Aggregation (3DL/1UL) for Band 1, Band 7 and Band 20","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570018,"acronym":"LTE_CA_B1_B8","effective_acronym":"LTE_CA_B1_B8","title":"LTE Advanced inter-band Carrier Aggregation of Band 1 and Band 8","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","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=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570118,"acronym":"LTE_CA_B1_B8-Core","effective_acronym":"LTE_CA_B1_B8-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 1 and Band 8","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570218,"acronym":"LTE_CA_B1_B8-Perf","effective_acronym":"LTE_CA_B1_B8-Perf","title":"Perf. part:LTE Advanced inter-band Carrier Aggregation of Band 1 and Band 8","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570012,"acronym":"LTE_CA_B23_B29","effective_acronym":"LTE_CA_B23_B29","title":"LTE Advanced inter-band Carrier Aggregation of Band 23 and Band 29","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","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=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570112,"acronym":"LTE_CA_B23_B29-Core","effective_acronym":"LTE_CA_B23_B29-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 23 and Band 29","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570212,"acronym":"LTE_CA_B23_B29-Perf","effective_acronym":"LTE_CA_B23_B29-Perf","title":"Perf. part:LTE Advanced inter-band Carrier Aggregation of Band 23 and Band 29","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":580134,"acronym":"LTE_CA_B2_B12-Core","effective_acronym":"LTE_CA_B2_B12-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 2 and Band 12","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":590122,"acronym":"LTE_CA_B2_B13-Core","effective_acronym":"LTE_CA_B2_B13-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 2 and Band 13","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":560017,"acronym":"LTE_CA_B2_B4","effective_acronym":"LTE_CA_B2_B4","title":"LTE Advanced inter-band Carrier Aggregation of Band 2 and Band 4","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","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=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":560117,"acronym":"LTE_CA_B2_B4-Core","effective_acronym":"LTE_CA_B2_B4-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 2 and Band 4","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":560217,"acronym":"LTE_CA_B2_B4-Perf","effective_acronym":"LTE_CA_B2_B4-Perf","title":"Perf. part:LTE Advanced inter-band Carrier Aggregation of Band 2 and Band 4","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":620120,"acronym":"LTE_CA_B2_B4_BWset-Core","effective_acronym":"LTE_CA_B2_B4_BWset-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 2 and Band 4 - Additional bandwidth combination set","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":640120,"acronym":"LTE_CA_B2_B4_BWset2-Core","effective_acronym":"LTE_CA_B2_B4_BWset2-Core","title":"Core part: Additional bandwidth combination set 2 for LTE Advanced inter-band Carrier Aggregation of Band 2 and Band 4","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":600130,"acronym":"LTE_CA_B2_B5-Core","effective_acronym":"LTE_CA_B2_B5-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 2 and Band 5","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":640121,"acronym":"LTE_CA_B2_B5_Bwset-Core","effective_acronym":"LTE_CA_B2_B5_Bwset-Core","title":"Core part: Additional bandwidth combination set for LTE Advanced inter-band Carrier Aggregation of Band 2 and Band 5","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570015,"acronym":"LTE_CA_B38_B39","effective_acronym":"LTE_CA_B38_B39","title":"Deleted -LTE Advanced inter-band Carrier Aggregation of Band 38 and Band 39","responsible_groups":["R4"],"release":"Rel-12","status":"PCG stopped","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=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570115,"acronym":"LTE_CA_B38_B39-Core","effective_acronym":"LTE_CA_B38_B39-Core","title":"Deleted - Core part:LTE Advanced inter-band Carrier Aggregation of Band 38 and Band 39","responsible_groups":["R4"],"release":"Rel-12","status":"PCG stopped","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570215,"acronym":"LTE_CA_B38_B39-Perf","effective_acronym":"LTE_CA_B38_B39-Perf","title":"Deleted - Perf. part:LTE Advanced inter-band Carrier Aggregation of Band 38 and Band 39","responsible_groups":["R4"],"release":"Rel-12","status":"PCG stopped","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":580133,"acronym":"LTE_CA_B39_B41-Core","effective_acronym":"LTE_CA_B39_B41-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 39 and Band 41","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570014,"acronym":"LTE_CA_B3_B19","effective_acronym":"LTE_CA_B3_B19","title":"LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 19","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","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=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570114,"acronym":"LTE_CA_B3_B19-Core","effective_acronym":"LTE_CA_B3_B19-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 19","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570214,"acronym":"LTE_CA_B3_B19-Perf","effective_acronym":"LTE_CA_B3_B19-Perf","title":"Perf. part:LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 19","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":630123,"acronym":"LTE_CA_B3_B20_BWset-Core","effective_acronym":"LTE_CA_B3_B20_BWset-Core","title":"Core part: Additional bandwidth combination set for LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 20","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570013,"acronym":"LTE_CA_B3_B26","effective_acronym":"LTE_CA_B3_B26","title":"LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 26","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","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=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570113,"acronym":"LTE_CA_B3_B26-Core","effective_acronym":"LTE_CA_B3_B26-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 26","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570213,"acronym":"LTE_CA_B3_B26-Perf","effective_acronym":"LTE_CA_B3_B26-Perf","title":"Perf. part:LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 26","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":620122,"acronym":"LTE_CA_B3_B27-Core","effective_acronym":"LTE_CA_B3_B27-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 27","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570026,"acronym":"LTE_CA_B3_B28","effective_acronym":"LTE_CA_B3_B28","title":"LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 28","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","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=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570126,"acronym":"LTE_CA_B3_B28-Core","effective_acronym":"LTE_CA_B3_B28-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 28","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":570226,"acronym":"LTE_CA_B3_B28-Perf","effective_acronym":"LTE_CA_B3_B28-Perf","title":"Perf. part:LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 28","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":550010,"acronym":"LTE_CA_B3_B5_2UL","effective_acronym":"LTE_CA_B3_B5_2UL","title":"Deleted -LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 5 with 2UL","responsible_groups":["R4"],"release":"Rel-12","status":"PCG stopped","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=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":550110,"acronym":"LTE_CA_B3_B5_2UL-Core","effective_acronym":"LTE_CA_B3_B5_2UL-Core","title":"Deleted - Core part:LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 5 with 2UL","responsible_groups":["R4"],"release":"Rel-12","status":"PCG stopped","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":550210,"acronym":"LTE_CA_B3_B5_2UL-Perf","effective_acronym":"LTE_CA_B3_B5_2UL-Perf","title":"Deleted - Perf. part:LTE Advanced inter-band Carrier Aggregation of Band 3 and Band 5 with 2UL","responsible_groups":["R4"],"release":"Rel-12","status":"PCG stopped","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":630136,"acronym":"LTE_CA_B41_B42-Core","effective_acronym":"LTE_CA_B41_B42-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 41 and Band 42","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":620121,"acronym":"LTE_CA_B4_B27-Core","effective_acronym":"LTE_CA_B4_B27-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 4 and Band 27","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":640123,"acronym":"LTE_CA_B4_B7_B12-Core","effective_acronym":"LTE_CA_B4_B7_B12-Core","title":"Core part:LTE Advanced 3 Band Carrier Aggregation (3DL/1UL) of Band 4, Band 7 and Band 12","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":630134,"acronym":"LTE_CA_B5_B13-Core","effective_acronym":"LTE_CA_B5_B13-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 5 and Band 13","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":610118,"acronym":"LTE_CA_B5_B25-Core","effective_acronym":"LTE_CA_B5_B25-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 5 and Band 25","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":610121,"acronym":"LTE_CA_B5_B7-Core","effective_acronym":"LTE_CA_B5_B7-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 5 and Band 7","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":630124,"acronym":"LTE_CA_B7_B20_BWset-Core","effective_acronym":"LTE_CA_B7_B20_BWset-Core","title":"Core part: Additional bandwidth combination set for LTE Advanced inter-band Carrier Aggregation of Band 7 and Band 20","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":620153,"acronym":"LTE_CA_B7_B8_B20-Core","effective_acronym":"LTE_CA_B7_B8_B20-Core","title":"Core part:LTE Advanced 3 Band Carrier Aggregation (3DL/1UL) for Band 7, Band 8 and Band 20","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":610120,"acronym":"LTE_CA_B8_B11-Core","effective_acronym":"LTE_CA_B8_B11-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 8 and Band 11","responsible_groups":["R4"],"release":"Rel-12","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":590125,"acronym":"LTE_CA_B8_B26-Core","effective_acronym":"LTE_CA_B8_B26-Core","title":"Deleted - Core part:LTE Advanced inter-band Carrier Aggregation of Band 8 and Band 26","responsible_groups":["R4"],"release":"Rel-12","status":"PCG stopped","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":630133,"acronym":"LTE_CA_B7_B22-Core","effective_acronym":"LTE_CA_B7_B22-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 7 and Band 22","responsible_groups":["R4"],"release":"Rel-13","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","association_sources":[],"association_status":"historical_unverified"},{"uid":620123,"acronym":"LTE_CA_B8_B27-Core","effective_acronym":"LTE_CA_B8_B27-Core","title":"Core part:LTE Advanced inter-band Carrier Aggregation of Band 8 and Band 27","responsible_groups":["R4"],"release":"Rel-13","status":"PCG approved","wi_level":"Work Task (3rd Level)","type":"Work Item","first_release":null,"last_release":null,"provenance_type":"official","source_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=2552","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/36.851/relationship-evidence"}}