ETSI TS 125 460-2018 Universal Mobile Telecommunications System (UMTS) UTRAN Iuant interface General aspects and principles (V15 0 0 3GPP TS 25 460 version 15 0 0 Release 15).pdf

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1、 ETSI TS 125 460 V15.0.0 (2018-07) Universal Mobile Telecommunications System (UMTS); UTRAN Iuant interface: General aspects and principles (3GPP TS 25.460 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 125 460 V15.0.0 (2018-07)13GPP TS 25.460 version 15.0.0 Release 15Reference RTS/

2、TSGR-0325460vf00 Keywords UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis 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 docu

3、ment can be downloaded from: http:/www.etsi.org/standards-search The present document 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 ca

4、se of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the docum

5、ent may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of the following services: https:/po

6、rtal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of the PDF version shall not be modi

7、fied without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. ETSI 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTETMare trademar

8、ks of ETSI registered for the benefit of its Members and of the 3GPP Organizational 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 125 460 V15.0.0 (2018-07)23GPP TS 25.460 version 15.0.0

9、Release 15Intellectual Property Rights Essential patents IPRs essential or potentially 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 0

10、00 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs 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 invest

11、igation, including IPR searches, has been carried out by ETSI. No guarantee can be given 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

12、 may include trademarks and/or tradenames which are asserted and/or registered by their 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

13、the present document does not constitute an endorsement by ETSI of products, services 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 specifi

14、cations or reports using their 3GPP identities, UMTS identities or GSM identities. These 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

15、 verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “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 NO

16、T allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 125 460 V15.0.0 (2018-07)33GPP TS 25.460 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 4g31 Scope 5g32 References 5g33 Abbreviations . 5g34 General

17、 aspects . 5g34.1 Introduction 5g34.2 Iuant interface general principles . 6g34.3 Iuant interface specification objectives 6g34.4 Iuant interface characteristics . 6g35 Functions of the Iuant interface protocols 7g35.1 Physical layer functions 7g35.2 Data link layer functions 7g35.3 Application laye

18、r functions 8g35.3.1 Control of RET antennas 8g35.3.2 Application software and configuration data download . 8g35.3.3 Alarm reporting 8g35.3.4 Operator specific data storage . 8g35.3.5 Control of Tower Mounted Amplifiers (TMAs) . 8g36 Other Iuant interface specifications 8g36.1 UTRAN Iuant interface

19、: Layer 1 (TS 25.461) 8g36.2 UTRAN Iuant interface: Signalling Transport (TS 25.462) . 9g36.3 RETAP specification (TS 25.463) 9g36.4 Summary of UTRAN Iuant interface Technical Specifications . 9g36.5 UTRAN Iuant interface: Application part specification (TS 25.466) . 9g3Annex A (informative): OSI mo

20、del overview . 10g3Annex B (informative): Change History 11g3History 12g3ETSI ETSI TS 125 460 V15.0.0 (2018-07)43GPP TS 25.460 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 su

21、bject to continuing work within 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 firs

22、t digit: 1 presented to TSG 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 wh

23、en editorial only changes have been incorporated in the document. ETSI ETSI TS 125 460 V15.0.0 (2018-07)53GPP TS 25.460 version 15.0.0 Release 151 Scope The present document is an introduction to the 3GPP TS 25.46x series of Technical Specifications that define the Iuant Interface for UMTS and E-UTR

24、AN. The logical Iuant interface is a Node B/eNB internal interface between the implementation specific O - The Data Link Layer (Layer 2) for the Signalling Transport uses a specific class of the HDLC standard as defined in ISO/IEC 13239 5; - The Application Layer (Layer 7) defines the data payload f

25、ormat and the required command set. This layer is called the “Iuant: Application Part“. This compact model for the control interface provides an efficient protocol stack suitable for implementation on a single embedded micro-controller. 4.3 Iuant interface specification objectives The Iuant interfac

26、e specifications shall facilitate the following: - Controlling the tilting of RET antennas remotely from the O - Indicating of TMA alarms and optionally controlling the gain of TMAs remotely from the O - Interfacing a mix of RET antennas, TMAs and Node Bs from different vendors; - Providing RET or T

27、MAs functionality in the UTRAN/E-UTRAN accompanied by an appropriate set of signalling commands and control parameters - Support of error and alarm handling. 4.4 Iuant interface characteristics The Iuant interface has a protocol structure as shown below in figure 4.4.1. ETSI ETSI TS 125 460 V15.0.0

28、(2018-07)73GPP TS 25.460 version 15.0.0 Release 15O - An addressing scheme; - A master/slave relationship whereby the primary device controls the half duplex timing; - A message checksum scheme to protect from transmission errors; - A message sequence numbering scheme which protects layer 7 from: ET

29、SI ETSI TS 125 460 V15.0.0 (2018-07)83GPP TS 25.460 version 15.0.0 Release 15- Duplicated messages; - Deleted messages; - Receiving messages in the wrong order. - A flow control mechanism protecting each device from being overrun by messages. These functions provide layer 7 with a safe full-duplex c

30、onnection between the primary device and any secondary device. This full duplex connection allows both the primary and secondary device to transmit layer 7 messages to the opposite device of the connection, whenever they need to. Actual delivery time on layer 2 will depend on the layer 2 polling fre

31、quency, which is chosen by the primary device. 5.3 Application layer functions The list of functions on the Iuant interface is the following: - Control of RET antennas; - Application software and configuration data download; - Alarm Reporting; - Operator specific data storage; - Control of Tower Mou

32、nted Amplifiers (TMAs). 5.3.1 Control of RET antennas A RET device provides means to adjust the electrical tilt of one or multiple antennas. The set of procedures to control RET antennas provides means to control the electrical tilt of one or more RET antennas remotely. The procedures are defined in

33、 TS 25.466 7. 5.3.2 Application software and configuration data download The interface provides means for downloading new application software and configuration data to a secondary device. The support of application software download to a secondary device is optional. If a secondary device supports

34、application software download, it shall reset itself and start running the new application software automatically after the completed download. Further details on the software download procedure (e.g. the different states of the secondary device and the supported elementary procedures in these state

35、s) are described in subclause 6.1 of TS 25.466 7. 5.3.3 Alarm reporting The secondary device reports every change in error status after subscription for alarm reporting by transmitting alarm messages to the primary device. Alarm information can also be interrogated in the application layer. 5.3.4 Op

36、erator specific data storage The secondary device provides means for storage of operator specific data, e.g. inventory information. 5.3.5 Control of Tower Mounted Amplifiers (TMAs) The TMA device provides means to indicate alarms and optionally to adjust the gain of TMAs. The set of procedures to co

37、ntrol TMAs are defined in TS 25.466 7. 6 Other Iuant interface specifications 6.1 UTRAN Iuant interface: Layer 1 (TS 25.461) TS 25.461 2 specifies the standards allowed for implementation of Layer 1 (physical layer) on the Iuant interface. ETSI ETSI TS 125 460 V15.0.0 (2018-07)93GPP TS 25.460 versio

38、n 15.0.0 Release 156.2 UTRAN Iuant interface: Signalling Transport (TS 25.462) TS 25.462 3 specifies the signalling transport related to RETAP and TMAAP signalling to be used across the Iuant interface. 6.3 RETAP specification (TS 25.463) Void. 6.4 Summary of UTRAN Iuant interface Technical Specific

39、ations The relationship between the technical specifications that define the UTRAN Iuant interface is shown in figure 6.4.1. RETAP TMAAP TS 25.466 Transport Layer TS 25.461 Radio Network Layer Iuant Transport TS 25.462 Physical Layer Figure 6.4.1: Iuant Interface Technical Specifications 6.5 UTRAN I

40、uant interface: Application part specification (TS 25.466) TS 25.466 7 specifies protocols for application part to be used over the Iuant interface. ETSI ETSI TS 125 460 V15.0.0 (2018-07)103GPP TS 25.460 version 15.0.0 Release 15Annex A (informative): OSI model overview Figure A.1: Relevant OSI mode

41、l layers Figure A.1 shows the relevant OSI model layers and the communication paths between the primary and secondary device. The two important aspects of the OSI model are: - It defines a layered structure for the communication software; - It provides each layer with an apparent direct link to the

42、same layer at the other device. However, in real life, the only actual message path between the two devices is through the physical connection between the two layer 1 entities. The layer 2 entities appear to communicate directly. In actual fact, a message passed from the first device to the second d

43、evice takes the following path: - Layer 2 at the first device passes the message down to Layer 1; - Layer 1 transmits the message across the physical connection (for instance a wire) to layer 1 at the second device; - Layer 1 at the second device passes the message up to Layer 2 at the second device

44、. Likewise, layer 7 entities appear to communicate directly. In actual fact, a message passed from the first device to the second device takes the following path: - Layer 7 at the first device passes the message down to Layer 2; - Layer 2 at the first device passes the message down to Layer 1; - Lay

45、er 1 transmits the message across the physical connection (for instance a wire) to layer 1 at the second device; - Layer 1 at the second device passes the message up to Layer 2 at the second device; - Layer 2 at the second device passes the message up to Layer 7 at the second device. 7 Application 7

46、 Application1 Physical2DataLink1 Physical2DataLinkActual message pathApparent message pathETSI ETSI TS 125 460 V15.0.0 (2018-07)113GPP TS 25.460 version 15.0.0 Release 15Annex B (informative): Change History TSG # TSG Doc. CR Rev Subject/Comment New 06/2008 - - - Creation of Rel-8 version based on v

47、7.1.0 8.0.0 40 RP-080309 0007 Correction of figure 6.4.1 8.0.0 43 RP-090085 0008 1 RET and TMA support in LTE 8.1.0 12/2009 - - - Creation of Rel-9 version based on v8.1.0 9.0.0 01/2011 - - - Creation of Rel-10 version based on v9.0.0 10.0.0 03/2011 SP-100629 Clarification on the use of References (

48、TS 21.801 CR#0030) 10.0.1 09/2012 Update to Rel-11 version (MCC) 11.0.0 09/2014 Update to Rel-12 version (MCC) 12.0.0 12/2015 Update to Rel-13 version (MCC) 13.0.0 Change history Date Meeting TDoc CR Rev Cat Subject/Comment New version 2017-03g3 SA#75g3 Promotion to Release 14 without technical changeg3 14.0.0g32018-07 SA#80 - - - - Promotion to Release 15 without technical change 15.0.0 ETSI ETSI TS 125 460 V15.0.0 (2018-07)123GPP TS 25.460 version 15.0.0 Release 15History Document history V15.0.0 July 2018 Publication