ETSI TS 136 355 V15.4.0 (2019-07)

ETSI TS 136 355 V15.4.0 (2019-07)






TECHNICAL SPECIFICATION
LTE;
Evolved Universal Terrestrial Radio Access (E-UTRA);
LTE Positioning Protocol (LPP)
(3GPP TS 36.355 version 15.4.0 Release 15)

---------------------- Page: 1 ----------------------
3GPP TS 36.355 version 15.4.0 Release 15 1 ETSI TS 136 355 V15.4.0 (2019-07)



Reference
RTS/TSGR-0236355vf40
Keywords
LTE
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 à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
The present document 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 case of any
existing or perceived difference in contents between such versions and/or in print, the prevailing version of an ETSI
deliverable is the one made publicly available in PDF format at www.etsi.org/deliver.
Users of the present document should be aware that the document 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://portal.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 modified without the written authorization of ETSI.
The copyright and the foregoing restriction extend to reproduction in all media.

© ETSI 2019.
All rights reserved.

DECT™, PLUGTESTS™, UMTS™ and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.

3GPP™ and LTE™ are trademarks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
oneM2M™ logo is a trademark of ETSI registered for the benefit of its Members and
of the oneM2M Partners.
®
GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI

---------------------- Page: 2 ----------------------
3GPP TS 36.355 version 15.4.0 Release 15 2 ETSI TS 136 355 V15.4.0 (2019-07)
Intellectual 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 000 314: "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 investigation, 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 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 the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
Legal Notice
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. These shall be
interpreted as being references to the corresponding ETSI deliverables.
The cross reference between 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 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 NOT allowed in ETSI deliverables except when used in direct citation.
ETSI

---------------------- Page: 3 ----------------------
3GPP TS 36.355 version 15.4.0 Release 15 3 ETSI TS 136 355 V15.4.0 (2019-07)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 10
1 Scope . 11
2 References . 11
3 Definitions and Abbreviations . 12
3.1 Definitions . 12
3.2 Abbreviations . 13
4 Functionality of Protocol . 15
4.1 General . 15
4.1.1 LPP Configuration . 15
4.1.2 LPP Sessions and Transactions . 15
4.1.3 LPP Position Methods . 16
4.1.4 LPP Messages . 16
4.2 Common LPP Session Procedure . 16
4.3 LPP Transport . 17
4.3.1 Transport Layer Requirements . 17
4.3.2 LPP Duplicate Detection . 17
4.3.3 LPP Acknowledgement . 18
4.3.3.1 General . 18
4.3.3.2 Procedure related to Acknowledgement . 18
4.3.4 LPP Retransmission . 19
4.3.4.1 General . 19
4.3.4.2 Procedure related to Retransmission . 19
4.3.5 LPP Message Segmentation . 20
5 LPP Procedures . 21
5.1 Procedures related to capability transfer . 21
5.1.1 Capability Transfer procedure. 21
5.1.2 Capability Indication procedure . 21
5.1.3 Reception of LPP Request Capabilities . 22
5.1.4 Transmission of LPP Provide Capabilities . 22
5.2 Procedures related to Assistance Data Transfer . 22
5.2.1 Assistance Data Transfer procedure . 22
5.2.1a Periodic Assistance Data Transfer procedure . 23
5.2.1b Periodic Assistance Data Transfer with Update procedure . 25
5.2.2 Assistance Data Delivery procedure . 25
5.2.2a Periodic Assistance Data Delivery procedure . 26
5.2.3 Transmission of LPP Request Assistance Data . 28
5.2.4 Reception of LPP Provide Assistance Data . 28
5.3 Procedures related to Location Information Transfer . 28
5.3.1 Location Information Transfer procedure . 28
5.3.2 Location Information Delivery procedure . 29
5.3.3 Reception of Request Location Information . 29
5.3.4 Transmission of Provide Location Information . 30
5.4 Error Handling Procedures . 30
5.4.1 General . 30
5.4.2 Procedures related to Error Indication . 30
5.4.3 LPP Error Detection. 30
5.4.4 Reception of an LPP Error Message . 31
5.5 Abort Procedure . 32
5.5.1 General . 32
5.5.2 Procedures related to Abort . 32
ETSI

---------------------- Page: 4 ----------------------
3GPP TS 36.355 version 15.4.0 Release 15 4 ETSI TS 136 355 V15.4.0 (2019-07)
5.5.3 Reception of an LPP Abort Message . 32
6 Information Element Abstract Syntax Definition . 32
6.1 General . 32
6.2 LPP PDU Structure . 33
– LPP-PDU-Definitions . 33
– LPP-Message . 33
– LPP-MessageBody . 34
– LPP-TransactionID . 34
6.3 Message Body IEs . 35
– RequestCapabilities. 35
– ProvideCapabilities. 35
– RequestAssistanceData . 36
– ProvideAssistanceData . 36
– RequestLocationInformation . 37
– ProvideLocationInformation . 37
– Abort . 38
– Error . 38
6.4 Common IEs . 38
6.4.1 Common Lower-Level IEs . 39
– AccessTypes . 39
– ARFCN-ValueEUTRA . 39
– ARFCN-ValueNR . 39
– ARFCN-ValueUTRA . 39
– CarrierFreq-NB . 40
– CellGlobalIdEUTRA-AndUTRA. 40
– CellGlobalIdGERAN . 41
– ECGI . 41
– Ellipsoid-Point . 41
– Ellipsoid-PointWithUncertaintyCircle . 42
– EllipsoidPointWithUncertaintyEllipse . 42
– EllipsoidPointWithAltitude . 42
– EllipsoidPointWithAltitudeAndUncertaintyEllipsoid . 42
– EllipsoidArc . 43
– EPDU-Sequence . 43
– HighAccuracyEllipsoidPointWithUncertaintyEllipse . 44
– HighAccuracyEllipsoidPointWithAltitudeAndUncertaintyEllipsoid . 44
– HorizontalVelocity . 44
– HorizontalWithVerticalVelocity . 44
– HorizontalVelocityWithUncertainty . 45
– HorizontalWithVerticalVelocityAndUncertainty . 45
– LocationCoordinateTypes . 45
– NCGI . 45
– PeriodicAssistanceDataControlParameters . 46
– Polygon . 46
– PositioningModes . 46
– SegmentationInfo . 47
– VelocityTypes . 47
6.4.2 Common Positioning . 47
– CommonIEsRequestCapabilities . 47
– CommonIEsProvideCapabilities . 48
– CommonIEsRequestAssistanceData . 48
– CommonIEsProvideAssistanceData . 49
– CommonIEsRequestLocationInformation . 49
– CommonIEsProvideLocationInformation . 53
– CommonIEsAbort . 55
– CommonIEsError . 56
6.5 Positioning Method IEs . 56
6.5.1 OTDOA Positioning . 56
6.5.1.1 OTDOA Assistance Data . 56
– OTDOA-ProvideAssistanceData . 56
6.5.1.2 OTDOA Assistance Data Elements . 57
ETSI

---------------------- Page: 5 ----------------------
3GPP TS 36.355 version 15.4.0 Release 15 5 ETSI TS 136 355 V15.4.0 (2019-07)
– OTDOA-ReferenceCellInfo . 57
– PRS-Info . 59
– TDD-Config . 60
– OTDOA-NeighbourCellInfoList . 61
– OTDOA-ReferenceCellInfoNB . 64
– PRS-Info-NB. 66
– OTDOA-NeighbourCellInfoListNB . 69
6.5.1.3 OTDOA Assistance Data Request . 72
– OTDOA-RequestAssistanceData . 72
6.5.1.4 OTDOA Location Information. 72
– OTDOA-ProvideLocationInformation . 72
6.5.1.5 OTDOA Location Information Elements . 73
– OTDOA-SignalMeasurementInformation . 73
– OTDOA-SignalMeasurementInformation-NB . 76
– OTDOA-MeasQuality . 78
– AdditionalPath . 79
6.5.1.6 OTDOA Location Information Request . 79
– OTDOA-RequestLocationInformation . 79
6.5.1.7 OTDOA Capability Information . 80
– OTDOA-ProvideCapabilities . 80
6.5.1.8 OTDOA Capability Information Request . 82
– OTDOA-RequestCapabilities . 82
6.5.1.9 OTDOA Error Elements . 82
– OTDOA-Error . 82
– OTDOA-LocationServerErrorCauses . 82
– OTDOA-TargetDeviceErrorCauses . 83
6.5.2 A-GNSS Positioning . 83
6.5.2.1 GNSS Assistance Data . 83
– A-GNSS-ProvideAssistanceData . 83
– GNSS-CommonAssistData . 83
– GNSS-GenericAssistData . 84
– GNSS-PeriodicAssistData . 84
6.5.2.2 GNSS Assistance Data Elements . 85
– GNSS-ReferenceTime . 85
– GNSS-SystemTime . 86
– GPS-TOW-Assist . 87
– NetworkTime . 87
– GNSS-ReferenceLocation . 90
– GNSS-IonosphericModel . 90
– KlobucharModelParameter . 90
– NeQuickModelParameter . 91
– GNSS-EarthOrientationParameters . 91
– GNSS-RTK-ReferenceStationInfo . 92
– GNSS-RTK-CommonObservationInfo . 93
– GNSS-RTK-AuxiliaryStationData . 94
– GNSS-TimeModelList . 96
– GNSS-DifferentialCorrections . 98
– GNSS-NavigationModel . 100
– StandardClockModelList . 102
– NAV-ClockModel .
...