1、 ETSI TS 138 421 V15.0.0 (2018-07) 5G; NG-RAN; Xn layer 1 (3GPP TS 38.421 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 138 421 V15.0.0 (2018-07)13GPP TS 38.421 version 15.0.0 Release 15Reference RTS/TSGR-0338421vf00 Keywords 5G ETSI 650 Route des Lucioles F-06921 Sophia Antipolis
2、Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present documen
3、t may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or
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8、Partners. oneM2M logo is protected for the benefit of its Members. GSMand the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 138 421 V15.0.0 (2018-07)23GPP TS 38.421 version 15.0.0 Release 15Intellectual Property Rights Essential patents IPRs essential or potential
9、ly essential to normative deliverables may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, I
10、PRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be g
11、iven as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Trademarks The present document may include trademarks and/or tradenames which are asserted and/or registered by th
12、eir owners. ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does not constitute an endorsement by ETSI of products, service
13、s or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. T
14、hese should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should n
15、ot“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 138
16、 421 V15.0.0 (2018-07)33GPP TS 38.421 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 4g31 Scope 5g32 References 5g33 Abbreviations . 5g34 Introduction 5g35 Layer 1 specifications . 5g36 Interface to management plane . 5g3Annex A
17、(informative): Change history . 6g3History 7g3ETSI ETSI TS 138 421 V15.0.0 (2018-07)43GPP TS 38.421 version 15.0.0 Release 15Foreword This Technical Specification has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work wi
18、thin the TSG and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG
19、 for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes h
20、ave been incorporated in the document. ETSI ETSI TS 138 421 V15.0.0 (2018-07)53GPP TS 38.421 version 15.0.0 Release 151 Scope The present document specifies the standards allowed to implement layer 1 on the Xn interface. The specification of transmission delay requirements and O&M requirements are n
21、ot in the scope of the present document. In the following, layer 1 and physical layer are assumed to be synonymous. 2 References The following documents contain provisions which, through reference in this text, constitute provisions of the present document. - References are either specific (identifi
22、ed by date of publication, edition number, version number, etc.) or non-specific. - For a specific reference, subsequent revisions do not apply. - For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific refere
23、nce implicitly refers to the latest version of that document in the same Release as the present document. 3 Abbreviations 4 Introduction 5 Layer 1 specifications 6 Interface to management plane Note: The requirements of Xn interface comply with the requirements of NG interface. ETSI ETSI TS 138 421
24、V15.0.0 (2018-07)63GPP TS 38.421 version 15.0.0 Release 15Annex A (informative): Change history Change history Date TSG # TSG Doc. CR Rev Subject/Comment New 2017-04 R3#95b R3-171078 - - TS skeleton 0.0.0 2017-04 R3#95b R3-171314 - - Update of the new template and Editors note 0.0.1 2017-05 R3#96 R3
25、-171972 - - Update of abbreviations and note 0.1.0 2018-01 R3#NR AH1801 R3-180171 - - Update the title of the spec 0.2.0 2018-06 R3#100 R3-183606 Removal of editors note 0.3.0 2018-06 RAN#80 RP-180982 Submitted to RAN plenary for approval. 1.0.0 2018-06 RAN#80 - - - Specification approved at TSG-RAN and placed under change control 15.0.0 ETSI ETSI TS 138 421 V15.0.0 (2018-07)73GPP TS 38.421 version 15.0.0 Release 15History Document history V15.0.0 July 2018 Publication
