Specification #: 25.421

Reference:

25.421

Title:

UTRAN Iur interface layer 1

Status:

Under change control

Type:

Technical specification (TS)

Initial planned Release:

Release 1999

Internal:

Common IMS Specification:

Radio technology:

LTE

Click to see all versions of this specification

Remarks (0)

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History

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Primary responsible group:

RAN 3

Secondary responsible groups:

Rapporteurs

Name	Company


Philippe Reininger	Huawei Tech.(UK) Co.. Ltd	35013

Parent Specifications

Spec #	Type	Title	Status	Prime grp


No related specifications

Child Specifications

Spec #	Type	Title	Status	Prime grp


No related specifications

Related Work Items

UID	Acronym	Title	Resp. grp(s)


No related Work Items

Release 18(Spec is UCC for this Release)

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SA#103	18.0.0	2024-04-03	Automatic upgrade from previo...		60295	SA#103	85473

Release 17(Spec is UCC for this Release)

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SA#95-e	17.0.0	2022-04-05			60289	SA#95-e	76870

Release 16(Spec is UCC for this Release)

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SA#88-e	16.0.0	2020-07-16			38165	SA#88-e	66930

Release 15(Spec is UCC for this Release)

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SA#80	15.0.0	2018-07-02			18664	SA#80	59048

Release 14(Spec is UCC for this Release)

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RAN#75	14.0.0	2017-03-24			31939	RAN#75	52807

Release 13(Spec is UCC for this Release)

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SA#70	13.0.0	2015-12-18			31207	SA#70	47335

Release 12(Spec is UCC for this Release)

Latest Remark:

(2015-01-22) Upgraded from previous Release without technical c...

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SA#65	12.0.0	2014-09-22	Automatic upgrade from previo...		30574	SA#65	8722

Release 11(Spec is UCC for this Release)

Latest Remark:

(2015-01-22) Upgraded from previous Release without technical c...

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SA#57	11.0.0	2012-09-24	Automatic upgrade from previo...		28526	SA#57	8210

Release 10(Spec is UCC for this Release)

Latest Remark:

(2015-01-22) Upgraded from previous Release without technical c...

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RAN#52	10.1.0	2011-06-24			28173	RAN#52	27835
SA#51	10.0.0	2011-04-05	Automatic upgrade from previo...		28180	SA#51	5884

Release 9(Spec is UCC for this Release)

Latest Remark:

(2015-01-22) Upgraded from previous Release without technical c...

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RAN#51	9.0.1	2011-04-05	editorial		28172	RAN#51	8221
SA#46	9.0.0	2009-12-18	Automatic upgrade from previo...		26399	SA#46	4619

Release 8(Spec is UCC for this Release)

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SA#42	8.0.0	2009-01-02	Upgraded unchanged from Rel-7		25900	SA#42	7230

Release 7(Spec is UCC for this Release)

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RAN#31	7.0.0	2006-03-24			24385	RAN#31	23635

Release 6(Spec is UCC for this Release)

Latest Remark:

(2015-01-22) created for M.1457 update

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RAN#22	6.0.0	2004-01-13	Required for update of ITU-R ...		21981	RAN#22	931

Release 5(Spec is UCC for this Release)

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T#15	5.0.0	2002-03-25			21036	T#15	27609

Release 4(Spec is UCC for this Release)

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RAN-#11	4.0.0	2001-04-06			20320	RAN-#11	25659

Release 1999(Spec is UCC for this Release)

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RAN-#11	3.1.0	2001-04-06	20320	RAN-#11	36875
RAN-#4	3.0.0	1999-06-23	9259	RAN-#4	16797
RAN-#3	0.0.0	1999-04-23	9258	RAN-#3	14322

Exit