ETSI EN 302 636-4-1 V1.4.1 (2020-01)

Intelligent Transport Systems (ITS); Vehicular Communications; GeoNetworking; Part 4: Geographical addressing and forwarding for point-to-point and point-to-multipoint communications; Sub-part 1: Media-Independent Functionality

REN/ITS-00358

Inteligentni transportni sistemi (ITS) - Komunikacije med vozili - Geomreženje - 4. del: Geografsko naslavljanje in podajanje pri komunikacijah točka-točka in točka-več točk - 1. poddel: Medijsko neodvisna funkcionalnost

General Information

• Status: Published
• Publication Date: 22-Jan-2020
• Technical Committee: ITS WG3 - Transport and Network
• Current Stage: 12 - Completion
• Due Date: 03-Feb-2020
• Completion Date: 23-Jan-2020
• Mandate: M/453
• Ref Project: SIST EN 302 636-4-1 V1.4.1:2020 - Intelligent Transport Systems (ITS) - Vehicular Communications - GeoNetworking - Part 4: Geographical addressing and forwarding for point-to-point and point-to-multipoint communications - Sub-part 1: Media-Independent Functionality

Standards Content (Sample)

ETSI EN 302 636-4-1 V1.4.1 (2020-01)






EUROPEAN STANDARD
Intelligent Transport Systems (ITS);
Vehicular Communications;
GeoNetworking;
Part 4: Geographical addressing and forwarding for
point-to-point and point-to-multipoint communications;
Sub-part 1: Media-Independent Functionality

---------------------- Page: 1 ----------------------
2 ETSI EN 302 636-4-1 V1.4.1 (2020-01)



Reference
REN/ITS-00358
Keywords
autonomic networking, ITS, network, safety
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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 2020.
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 ----------------------
3 ETSI EN 302 636-4-1 V1.4.1 (2020-01)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
Introduction . 8
1 Scope . 9
2 References . 9
2.1 Normative references . 9
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 10
3.1 Terms . 10
3.2 Symbols . 11
3.3 Abbreviations . 11
4 Services provided by the GeoNetworking protocol . 13
5 Format convention . 14
6 GeoNetworking address . 14
6.1 General . 14
6.2 GeoNetworking address format . 14
6.3 Fields of the GeoNetworking address . 15
7 Security and privacy . 15
8 Data structures . 16
8.1 Location table . 16
8.1.1 General . 16
8.1.2 Minimum data elements of a Location Table Entry . 16
8.1.3 Maintenance of the Location Table . 17
8.2 Ego Position Vector. 17
8.2.1 General . 17
8.2.2 Minimum data elements . 17
8.2.3 Maintenance . 17
8.3 Sequence number . 17
8.3.1 General . 17
8.3.2 Maintenance . 18
8.4 Location service packet buffer . 18
8.4.1 General . 18
8.4.2 Buffer size . 18
8.4.3 Maintenance . 18
8.5 Forwarding packet buffer . 19
8.5.1 General . 19
8.5.2 Buffer size . 19
8.5.3 Maintenance . 19
9 GeoNetworking packet structure and formats . 20
9.1 Overview . 20
9.2 Packet structure . 20
9.2.1 General . 20
9.2.2 Overall packet structure . 20
9.2.3 Maximum Transmit Unit . 21
9.3 GeoNetworking header structure . 21
9.4 GeoNetworking Secured Packet . 21
9.5 Position vectors . 21
9.5.1 Overview . 21
9.5.2 Long Position Vector . 22
9.5.2.1 Structure . 22
ETSI

---------------------- Page: 3 ----------------------
4 ETSI EN 302 636-4-1 V1.4.1 (2020-01)
9.5.2.2 Fields . 22
9.5.3 Short Position Vector . 23
9.5.3.1 Structure . 23
9.5.3.2 Fields . 23
9.6 Basic Header . 23
9.6.1 Composition of the Basic Header . 23
9.6.2 Fields of the Basic Header . 24
9.6.3 Encoding of the NH field in the Basic Header . 24
9.6.4 Encoding of the LT field . 24
9.7 Common Header . 25
9.7.1 Composition of the Common Header . 25
9.7.2 Fields of the Common Header . 25
9.7.3 Encoding of the NH field in the Common Header . 26
9.7.4 Encoding of the HT and HST fields . 26
9.7.5 Encoding of the TC field . 27
9.8 GeoNetworking packet header types . 27
9.8.1 Overview . 27
9.8.2 GUC packet header . 27
9.8.2.1 Composition of the GUC packet header. 27
9.8.2.2 Fields of the GUC packet header . 28
9.8.3 TSB packet header . 28
9.8.3.1 Composition of the TSB packet header . 28
9.8.3.2 Fields of the TSB packet header . 29
9.8.4 SHB packet header. 29
9.8.4.1 Composition of the SHB packet header . 29
9.8.4.2 Fields of the SHB packet header . 30
9.8.5 GBC/GAC packet header . 30
9.8.5.1 Composition of the GBC/GAC packet header . 30
9.8.5.2 Fields of the GBC/GAC packet header . 31
9.8.6 BEACON packet header . 31
9.8.6.1 Composition of the BEACON packet header . 31
9.8.6.2 Fields of the BEACON packet header . 32
9.8.7 LS Request packet header . 32
9.8.7.1 Composition of the LS Request packet header. 32
9.8.7.2 Fields of the LS Request packet header . 33
9.8.8 LS Reply packet header . 33
9.8.8.1 Composition of the LS Reply packet header . 33
9.8.8.2 Fields of the LS Reply packet header . 34
10 Protocol operation . 34
10.1 General . 34
10.2 Network management . 35
10.2.1 Address configuration . 35
10.2.1.1 General . 35
10.2.1.2 Auto-address configuration . 35
10.2.1.3 Managed address configuration . 35
10.2.1.3.1 General Requirements . 35
10.2.1.3.2 Initial address configuration . 35
10.2.1.3.3 Address update . 35
10.2.1.4 Anonymous address configuration . 36
10.2.1.5 Duplicate address detection . 36
10.2.2 Ego position vector and time update . 37
10.2.2.1 Overview . 37
10.2.2.2 Ego Position Vector update . 37
10.2.2.3 Time update. 37
10.2.3 Beaconing . 37
10.2.4 Location service . 37
10.3 Packet handling . 38
10.3.1 Overview . 38
10.3.2 Basic Header field settings . 39
10.3.3 Basic Header processing . 39
10.3.4 Common Header field settings. 41
ETSI

---------------------- Page: 4 ----------------------
5 ETSI EN 302 636-4-1 V1.4.1 (2020-01)
10.3.5 Common Header processing . 42
10.3.6 Beacon packet handling . 42
10.3.6.1 General . 42
10.3.6.2 Source operations . 42
10.3.6.3 Receiver operations . 44
10.3.7 Location service packet handling . 44
10.3.7.1 Source operations . 44
10.3.7.1.1 Overview . 44
10.3.7.1.2 Operation for initial LS Request . 44
10.3.7.1.3 Operation for LS Request re-transmission. 45
10.3.7.1.4 Operation for LS Reply . 46
10.3.7.2 Forwarder operations . 46
10.3.7.3 Destination operations . 46
10.3.8 GUC packet handling. 48
10.3.8.1 General . 48
10.3.8.2 Source operations . 48
10.3.8.3 Forwarder operations . 50
10.3.8.4 Destination operations . 51
10.3.9 TSB packet handling . 52
10.3.9.1 General . 52
10.3.9.2 Source operations . 53
10.3.9.3 Forwarder and receiver operations . 54
10.3.10 SHB packet handling . 56
10.3.10.1 General . 56
10.3.10.2 Source operations . 56
10.3.10.3 Receiver operations . 57
10.3.11 GBC packet handling . 58
10.3.11.1 General . 58
10.3.11.2 Source operations . 58
10.3.11.3 Forwarder and receiver operations . 60
10.3.12 GAC packet handling. 62
10.3.12.1 General . 62
10.3.12.2 Source operations . 62
10.3.12.3 Forwarder and receiver operations . 62
Annex A (normative): Duplicate packet detection . 64
A.1 General . 64
A.2 SN-based duplicate packet detection . 64
Annex B (normative): Packet data rate and geographical area size control . 65
B.1 Overview . 65
B.2 Packet data rate control . 65
B.3 Geographical area size control . 65
Annex C (normative): Position vector update . 66
C.1 Overview . 66
C.2 Update of LocT position vector . 66
C.3 Update of GeoNetworking packet position vector . 67
Annex D (normative): GeoNetworking forwarding algorithm selection procedure . 68
Annex E (normative): Non-area forwarding algorithms . 70
E.1 Overview . 70
E.2 Greedy forwarding algorithm . 70
E.3 Non-area contention-based forwarding algorithm . 71
ETSI

---------------------- Page: 5 ----------------------
6 ETSI EN 302 636-4-1 V1.4.1 (2020-01)
Annex F (normative): Area forwarding algorithms . 74
F.1 Overview . 74
F.2 Simple GeoBroadcast forwarding algorithm . 74
F.3 Area contention-based forwarding algorithm . 74
F.4 Area advanced forwarding algorithm . 77
Annex G (normative): GeoNetworking traffic classification . 82
Annex H (normative): GeoNetworking protocol constants . 83
Annex I (informative): ASN.1 encoding of the GeoNetworking MIB . 85
I.1 Use of modules . 85
I.2 ASN.1 module .
...

SLOVENSKI STANDARD
SIST EN 302 636-4-1 V1.4.1:2020
01-april-2020
Inteligentni transportni sistemi (ITS) - Komunikacije med vozili - Geomreženje - 4.
del: Geografsko naslavljanje in podajanje pri komunikacijah točka-točka in točka-
več točk - 1. poddel: Medijsko neodvisna funkcionalnost
Intelligent Transport Systems (ITS) - Vehicular Communications - GeoNetworking - Part
4: Geographical addressing and forwarding for point-to-point and point-to-multipoint
communications - Sub-part 1: Media-Independent Functionality
Ta slovenski standard je istoveten z: ETSI EN 302 636-4-1 V1.4.1 (2020-01)
ICS:
35.240.60 Uporabniške rešitve IT v IT applications in transport
prometu
SIST EN 302 636-4-1 V1.4.1:2020 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 302 636-4-1 V1.4.1:2020

---------------------- Page: 2 ----------------------
SIST EN 302 636-4-1 V1.4.1:2020
ETSI EN 302 636-4-1 V1.4.1 (2020-01)






EUROPEAN STANDARD
Intelligent Transport Systems (ITS);
Vehicular Communications;
GeoNetworking;
Part 4: Geographical addressing and forwarding for
point-to-point and point-to-multipoint communications;
Sub-part 1: Media-Independent Functionality

---------------------- Page: 3 ----------------------
SIST EN 302 636-4-1 V1.4.1:2020
 2 ETSI EN 302 636-4-1 V1.4.1 (2020-01)



Reference
REN/ITS-00358
Keywords
autonomic networking, ITS, network, safety
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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 2020.
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: 4 ----------------------
SIST EN 302 636-4-1 V1.4.1:2020
 3 ETSI EN 302 636-4-1 V1.4.1 (2020-01)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
Introduction . 8
1 Scope . 9
2 References . 9
2.1 Normative references . 9
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 10
3.1 Terms . 10
3.2 Symbols . 11
3.3 Abbreviations . 11
4 Services provided by the GeoNetworking protocol . 13
5 Format convention . 14
6 GeoNetworking address . 14
6.1 General . 14
6.2 GeoNetworking address format . 14
6.3 Fields of the GeoNetworking address . 15
7 Security and privacy . 15
8 Data structures . 16
8.1 Location table . 16
8.1.1 General . 16
8.1.2 Minimum data elements of a Location Table Entry . 16
8.1.3 Maintenance of the Location Table . 17
8.2 Ego Position Vector. 17
8.2.1 General . 17
8.2.2 Minimum data elements . 17
8.2.3 Maintenance . 17
8.3 Sequence number . 17
8.3.1 General . 17
8.3.2 Maintenance . 18
8.4 Location service packet buffer . 18
8.4.1 General . 18
8.4.2 Buffer size . 18
8.4.3 Maintenance . 18
8.5 Forwarding packet buffer . 19
8.5.1 General . 19
8.5.2 Buffer size . 19
8.5.3 Maintenance . 19
9 GeoNetworking packet structure and formats . 20
9.1 Overview . 20
9.2 Packet structure . 20
9.2.1 General . 20
9.2.2 Overall packet structure . 20
9.2.3 Maximum Transmit Unit . 21
9.3 GeoNetworking header structure . 21
9.4 GeoNetworking Secured Packet . 21
9.5 Position vectors . 21
9.5.1 Overview . 21
9.5.2 Long Position Vector . 22
9.5.2.1 Structure . 22
ETSI

---------------------- Page: 5 ----------------------
SIST EN 302 636-4-1 V1.4.1:2020
 4 ETSI EN 302 636-4-1 V1.4.1 (2020-01)
9.5.2.2 Fields . 22
9.5.3 Short Position Vector . 23
9.5.3.1 Structure . 23
9.5.3.2 Fields . 23
9.6 Basic Header . 23
9.6.1 Composition of the Basic Header . 23
9.6.2 Fields of the Basic Header . 24
9.6.3 Encoding of the NH field in the Basic Header . 24
9.6.4 Encoding of the LT field . 24
9.7 Common Header . 25
9.7.1 Composition of the Common Header . 25
9.7.2 Fields of the Common Header . 25
9.7.3 Encoding of the NH field in the Common Header . 26
9.7.4 Encoding of the HT and HST fields . 26
9.7.5 Encoding of the TC field . 27
9.8 GeoNetworking packet header types . 27
9.8.1 Overview . 27
9.8.2 GUC packet header . 27
9.8.2.1 Composition of the GUC packet header. 27
9.8.2.2 Fields of the GUC packet header . 28
9.8.3 TSB packet header . 28
9.8.3.1 Composition of the TSB packet header . 28
9.8.3.2 Fields of the TSB packet header . 29
9.8.4 SHB packet header. 29
9.8.4.1 Composition of the SHB packet header . 29
9.8.4.2 Fields of the SHB packet header . 30
9.8.5 GBC/GAC packet header . 30
9.8.5.1 Composition of the GBC/GAC packet header . 30
9.8.5.2 Fields of the GBC/GAC packet header . 31
9.8.6 BEACON packet header . 31
9.8.6.1 Composition of the BEACON packet header . 31
9.8.6.2 Fields of the BEACON packet header . 32
9.8.7 LS Request packet header . 32
9.8.7.1 Composition of the LS Request packet header. 32
9.8.7.2 Fields of the LS Request packet header . 33
9.8.8 LS Reply packet header . 33
9.8.8.1 Composition of the LS Reply packet header . 33
9.8.8.2 Fields of the LS Reply packet header . 34
10 Protocol operation . 34
10.1 General . 34
10.2 Network management . 35
10.2.1 Address configuration . 35
10.2.1.1 General . 35
10.2.1.2 Auto-address configuration . 35
10.2.1.3 Managed address configuration . 35
10.2.1.3.1 General Requirements . 35
10.2.1.3.2 Initial address configuration . 35
10.2.1.3.3 Address update . 35
10.2.1.4 Anonymous address configuration . 36
10.2.1.5 Duplicate address detection . 36
10.2.2 Ego position vector and time update . 37
10.2.2.1 Overview . 37
10.2.2.2 Ego Position Vector update . 37
10.2.2.3 Time update. 37
10.2.3 Beaconing . 37
10.2.4 Location service . 37
10.3 Packet handling . 38
10.3.1 Overview . 38
10.3.2 Basic Header field settings . 39
10.3.3 Basic Header processing . 39
10.3.4 Common Header field settings. 41
ETSI

---------------------- Page: 6 ----------------------
SIST EN 302 636-4-1 V1.4.1:2020
 5 ETSI EN 302 636-4-1 V1.4.1 (2020-01)
10.3.5 Common Header processing . 42
10.3.6 Beacon packet handling . 42
10.3.6.1 General . 42
10.3.6.2 Source operations . 42
10.3.6.3 Receiver operations . 44
10.3.7 Location service packet handling . 44
10.3.7.1 Source operations . 44
10.3.7.1.1 Overview . 44
10.3.7.1.2 Operation for initial LS Request . 44
10.3.7.1.3 Operation for LS Request re-transmission. 45
10.3.7.1.4 Operation for LS Reply . 46
10.3.7.2 Forwarder operations . 46
10.3.7.3 Destination operations . 46
10.3.8 GUC packet handling. 48
10.3.8.1 General . 48
10.3.8.2 Source operations . 48
10.3.8.3 Forwarder operations . 50
10.3.8.4 Destination operations . 51
10.3.9 TSB packet handling . 52
10.3.9.1 General . 52
10.3.9.2 Source operations . 53
10.3.9.3 Forwarder and receiver operations . 54
10.3.10 SHB packet handling . 56
10.3.10.1 General . 56
10.3.10.2 Source operations . 56
10.3.10.3 Receiver operations . 57
10.3.11 GBC packet handling . 58
10.3.11.1 General . 58
10.3.11.2 Source operations . 58
10.3.11.3 Forwarder and receiver operations . 60
10.3.12 GAC packet handling. 62
10.3.12.1 General . 62
10.3.12.2 Source operations . 62
10.3.12.3 Forwarder and receiver operations . 62
Annex A (normative): Duplicate packet detection . 64
A.1 General . 64
A.2 SN-based duplicate packet detection . 64
Annex B (normative): Packet data rate and geographical area size control . 65
B.1 Overview . 65
B.2 Packet data rate control . 65
B.3 Geographical area size control . 65
Annex C (normative): Position vector update . 66
C.1 Overview . 66
C.2 Update of LocT position vector . 66
C.3 Update of GeoNetworking packet position vector . 67
Annex D (normative): GeoNetworking forwarding algorithm selection procedure . 68
Annex E (normative): Non-area forwarding algorithms . 70
E.1 Overview . 70
E.2 Greedy forwarding algorithm . 70
E.3 Non-area contention-based forwarding algorithm . 71
ETSI

---------------------- Page: 7 ----------------------
SIST EN 302 636-4-1 V1.4.1:2020
 6 ETSI EN 302 636-4-1 V1.4.1 (2020-01)
Annex F (normative): Area forwarding algorithms . 74
F.1 Overview .
...

Final draft ETSI EN 302 636-4-1 V1.4.1 (2019-11)






EUROPEAN STANDARD
Intelligent Transport Systems (ITS);
Vehicular Communications;
GeoNetworking;
Part 4: Geographical addressing and forwarding for
point-to-point and point-to-multipoint communications;
Sub-part 1: Media-Independent Functionality

---------------------- Page: 1 ----------------------
2 Final draft ETSI EN 302 636-4-1 V1.4.1 (2019-11)



Reference
REN/ITS-00358
Keywords
autonomic networking, ITS, network, safety
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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 ----------------------
3 Final draft ETSI EN 302 636-4-1 V1.4.1 (2019-11)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
Introduction . 8
1 Scope . 9
2 References . 9
2.1 Normative references . 9
2.2 Informative references . 10
3 Definition of terms, symbols and abbreviations . 10
3.1 Terms . 10
3.2 Symbols . 11
3.3 Abbreviations . 11
4 Services provided by the GeoNetworking protocol . 13
5 Format convention . 14
6 GeoNetworking address . 14
6.1 General . 14
6.2 GeoNetworking address format . 14
6.3 Fields of the GeoNetworking address . 15
7 Security and privacy . 15
8 Data structures . 16
8.1 Location table . 16
8.1.1 General . 16
8.1.2 Minimum data elements of a Location Table Entry . 16
8.1.3 Maintenance of the Location Table . 17
8.2 Ego Position Vector. 17
8.2.1 General . 17
8.2.2 Minimum data elements . 17
8.2.3 Maintenance . 17
8.3 Sequence number . 17
8.3.1 General . 17
8.3.2 Maintenance . 18
8.4 Location service packet buffer . 18
8.4.1 General . 18
8.4.2 Buffer size . 18
8.4.3 Maintenance . 18
8.5 Forwarding packet buffer . 19
8.5.1 General . 19
8.5.2 Buffer size . 19
8.5.3 Maintenance . 19
9 GeoNetworking packet structure and formats . 20
9.1 Overview . 20
9.2 Packet structure . 20
9.2.1 General . 20
9.2.2 Overall packet structure . 20
9.2.3 Maximum Transmit Unit . 21
9.3 GeoNetworking header structure . 21
9.4 GeoNetworking Secured Packet . 21
9.5 Position vectors . 21
9.5.1 Overview . 21
9.5.2 Long Position Vector . 22
9.5.2.1 Structure . 22
ETSI

---------------------- Page: 3 ----------------------
4 Final draft ETSI EN 302 636-4-1 V1.4.1 (2019-11)
9.5.2.2 Fields . 22
9.5.3 Short Position Vector . 23
9.5.3.1 Structure . 23
9.5.3.2 Fields . 23
9.6 Basic Header . 23
9.6.1 Composition of the Basic Header . 23
9.6.2 Fields of the Basic Header . 24
9.6.3 Encoding of the NH field in the Basic Header . 24
9.6.4 Encoding of the LT field . 24
9.7 Common Header . 25
9.7.1 Composition of the Common Header . 25
9.7.2 Fields of the Common Header . 25
9.7.3 Encoding of the NH field in the Common Header . 26
9.7.4 Encoding of the HT and HST fields . 26
9.7.5 Encoding of the TC field . 27
9.8 GeoNetworking packet header types . 27
9.8.1 Overview . 27
9.8.2 GUC packet header . 27
9.8.2.1 Composition of the GUC packet header. 27
9.8.2.2 Fields of the GUC packet header . 28
9.8.3 TSB packet header . 28
9.8.3.1 Composition of the TSB packet header . 28
9.8.3.2 Fields of the TSB packet header . 29
9.8.4 SHB packet header. 29
9.8.4.1 Composition of the SHB packet header . 29
9.8.4.2 Fields of the SHB packet header . 30
9.8.5 GBC/GAC packet header . 30
9.8.5.1 Composition of the GBC/GAC packet header . 30
9.8.5.2 Fields of the GBC/GAC packet header . 31
9.8.6 BEACON packet header . 31
9.8.6.1 Composition of the BEACON packet header . 31
9.8.6.2 Fields of the BEACON packet header . 32
9.8.7 LS Request packet header . 32
9.8.7.1 Composition of the LS Request packet header. 32
9.8.7.2 Fields of the LS Request packet header . 33
9.8.8 LS Reply packet header . 33
9.8.8.1 Composition of the LS Reply packet header . 33
9.8.8.2 Fields of the LS Reply packet header . 34
10 Protocol operation . 34
10.1 General . 34
10.2 Network management . 35
10.2.1 Address configuration . 35
10.2.1.1 General . 35
10.2.1.2 Auto-address configuration . 35
10.2.1.3 Managed address configuration . 35
10.2.1.3.1 General Requirements . 35
10.2.1.3.2 Initial address configuration . 35
10.2.1.3.3 Address update . 35
10.2.1.4 Anonymous address configuration . 36
10.2.1.5 Duplicate address detection . 36
10.2.2 Ego position vector and time update . 37
10.2.2.1 Overview . 37
10.2.2.2 Ego Position Vector update . 37
10.2.2.3 Time update. 37
10.2.3 Beaconing . 37
10.2.4 Location service . 37
10.3 Packet handling . 38
10.3.1 Overview . 38
10.3.2 Basic Header field settings . 39
10.3.3 Basic Header processing . 39
10.3.4 Common Header field settings. 41
ETSI

---------------------- Page: 4 ----------------------
5 Final draft ETSI EN 302 636-4-1 V1.4.1 (2019-11)
10.3.5 Common Header processing . 42
10.3.6 Beacon packet handling . 42
10.3.6.1 General . 42
10.3.6.2 Source operations . 42
10.3.6.3 Receiver operations . 44
10.3.7 Location service packet handling . 44
10.3.7.1 Source operations . 44
10.3.7.1.1 Overview . 44
10.3.7.1.2 Operation for initial LS Request . 44
10.3.7.1.3 Operation for LS Request re-transmission. 45
10.3.7.1.4 Operation for LS Reply . 46
10.3.7.2 Forwarder operations . 46
10.3.7.3 Destination operations . 46
10.3.8 GUC packet handling. 48
10.3.8.1 General . 48
10.3.8.2 Source operations . 48
10.3.8.3 Forwarder operations . 50
10.3.8.4 Destination operations . 51
10.3.9 TSB packet handling . 52
10.3.9.1 General . 52
10.3.9.2 Source operations . 53
10.3.9.3 Forwarder and receiver operations . 54
10.3.10 SHB packet handling . 56
10.3.10.1 General . 56
10.3.10.2 Source operations . 56
10.3.10.3 Receiver operations . 57
10.3.11 GBC packet handling . 58
10.3.11.1 General . 58
10.3.11.2 Source operations . 58
10.3.11.3 Forwarder and receiver operations . 60
10.3.12 GAC packet handling. 62
10.3.12.1 General . 62
10.3.12.2 Source operations . 62
10.3.12.3 Forwarder and receiver operations . 62
Annex A (normative): Duplicate packet detection . 64
A.1 General . 64
A.2 SN-based duplicate packet detection . 64
Annex B (normative): Packet data rate and geographical area size control . 65
B.1 Overview . 65
B.2 Packet data rate control . 65
B.3 Geographical area size control . 65
Annex C (normative): Position vector update . 66
C.1 Overview . 66
C.2 Update of LocT position vector . 66
C.3 Update of GeoNetworking packet position vector . 67
Annex D (normative): GeoNetworking forwarding algorithm selection procedure . 68
Annex E (normative): Non-area forwarding algorithms . 70
E.1 Overview . 70
E.2 Greedy forwarding algorithm . 70
E.3 Non-area contention-based forwarding algorithm . 71
ETSI

---------------------- Page: 5 ----------------------
6 Final draft ETSI EN 302 636-4-1 V1.4.1 (2019-11)
Annex F (normative): Area forwarding algorithms . 74
F.1 Overview . 74
F.2 Simple GeoBroadcast forwarding algorithm . 74
F.3 Area contention-based forwarding algorithm . 74
F.4 Area advanced forwarding algorithm . 77
Annex G (normative): GeoNetworking traffic classification . 82
Annex H (normative): GeoNetworking protocol constants . 83
Annex I (informative): ASN.1 encoding of the GeoNetworking MIB . 85
I.1 Use of modules . 85
I.2 ASN.1 module .
...

Draft ETSI EN 302 636-4-1 V1.4.0 (2019-05)






EUROPEAN STANDARD
Intelligent Transport Systems (ITS);
Vehicular Communications;
GeoNetworking;
Part 4: Geographical addressing and forwarding for
point-to-point and point-to-multipoint communications;
Sub-part 1: Media-Independent Functionality

---------------------- Page: 1 ----------------------
2 Draft ETSI EN 302 636-4-1 V1.4.0 (2019-05)



Reference
REN/ITS-00358
Keywords
autonomic networking, ITS, network, safety
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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.

TM TM TM
DECT , PLUGTESTS , UMTS and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.
TM TM
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 ----------------------
3 Draft ETSI EN 302 636-4-1 V1.4.0 (2019-05)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
Introduction . 8
1 Scope . 9
2 References . 9
2.1 Normative references . 9
2.2 Informative references . 9
3 Definition of terms, symbols and abbreviations . 10
3.1 Terms . 10
3.2 Symbols . 11
3.3 Abbreviations . 11
4 Services provided by the GeoNetworking protocol . 12
5 Format convention . 13
6 GeoNetworking address . 14
6.1 General . 14
6.2 GeoNetworking address format . 14
6.3 Fields of the GeoNetworking address . 15
7 Security and privacy . 15
8 Data structures . 16
8.1 Location table . 16
8.1.1 General . 16
8.1.2 Minimum data elements of a Location Table Entry . 16
8.1.3 Maintenance of the Location Table . 17
8.2 Ego Position Vector. 17
8.2.1 General . 17
8.2.2 Minimum data elements . 17
8.2.3 Maintenance . 17
8.3 Sequence number . 17
8.3.1 General . 17
8.3.2 Maintenance . 18
8.4 Location service packet buffer . 18
8.4.1 General . 18
8.4.2 Buffer size . 18
8.4.3 Maintenance . 18
8.5 Forwarding packet buffer . 19
8.5.1 General . 19
8.5.2 Buffer size . 19
8.5.3 Maintenance . 19
9 GeoNetworking packet structure and formats . 20
9.1 Overview . 20
9.2 Packet structure . 20
9.2.1 General . 20
9.2.2 Overall packet structure . 20
9.2.3 Maximum Transmit Unit . 20
9.3 GeoNetworking header structure . 21
9.4 GeoNetworking Secured Packet . 21
9.5 Position vectors . 21
9.5.1 Overview . 21
9.5.2 Long Position Vector . 21
9.5.2.1 Structure . 21
ETSI

---------------------- Page: 3 ----------------------
4 Draft ETSI EN 302 636-4-1 V1.4.0 (2019-05)
9.5.2.2 Fields . 22
9.5.3 Short Position Vector . 22
9.5.3.1 Structure . 22
9.5.3.2 Fields . 23
9.6 Basic Header . 23
9.6.1 Composition of the Basic Header . 23
9.6.2 Fields of the Basic Header . 23
9.6.3 Encoding of the NH field in the Basic Header . 24
9.6.4 Encoding of the LT field . 24
9.7 Common Header . 25
9.7.1 Composition of the Common Header . 25
9.7.2 Fields of the Common Header . 25
9.7.3 Encoding of the NH field in the Common Header . 25
9.7.4 Encoding of the HT and HST fields . 26
9.7.5 Encoding of the TC field . 26
9.8 GeoNetworking packet header types . 27
9.8.1 Overview . 27
9.8.2 GUC packet header . 27
9.8.2.1 Composition of the GUC packet header. 27
9.8.2.2 Fields of the GUC packet header . 28
9.8.3 TSB packet header . 28
9.8.3.1 Composition of the TSB packet header . 28
9.8.3.2 Fields of the TSB packet header . 29
9.8.4 SHB packet header. 29
9.8.4.1 Composition of the SHB packet header . 29
9.8.4.2 Fields of the SHB packet header . 30
9.8.5 GBC/GAC packet header . 30
9.8.5.1 Composition of the GBC/GAC packet header . 30
9.8.5.2 Fields of the GBC/GAC packet header . 31
9.8.6 BEACON packet header . 31
9.8.6.1 Composition of the BEACON packet header . 31
9.8.6.2 Fields of the BEACON packet header . 32
9.8.7 LS Request packet header . 32
9.8.7.1 Composition of the LS Request packet header. 32
9.8.7.2 Fields of the LS Request packet header . 33
9.8.8 LS Reply packet header . 33
9.8.8.1 Composition of the LS Reply packet header . 33
9.8.8.2 Fields of the LS Reply packet header . 34
10 Protocol operation . 34
10.1 General . 34
10.2 Network management . 35
10.2.1 Address configuration . 35
10.2.1.1 General . 35
10.2.1.2 Auto-address configuration . 35
10.2.1.3 Managed address configuration . 35
10.2.1.3.1 General Requirements . 35
10.2.1.3.2 Initial address configuration . 35
10.2.1.3.3 Address update . 35
10.2.1.4 Anonymous address configuration . 36
10.2.1.5 Duplicate address detection . 36
10.2.2 Ego position vector and time update . 37
10.2.2.1 Overview . 37
10.2.2.2 Ego Position Vector update . 37
10.2.2.3 Time update. 37
10.2.3 Beaconing . 37
10.2.4 Location service . 37
10.3 Packet handling . 38
10.3.1 Overview . 38
10.3.2 Basic Header field settings . 39
10.3.3 Basic Header processing . 39
10.3.4 Common Header field settings. 41
ETSI

---------------------- Page: 4 ----------------------
5 Draft ETSI EN 302 636-4-1 V1.4.0 (2019-05)
10.3.5 Common Header processing . 42
10.3.6 Beacon packet handling . 42
10.3.6.1 General . 42
10.3.6.2 Source operations . 42
10.3.6.3 Receiver operations . 44
10.3.7 Location service packet handling . 44
10.3.7.1 Source operations . 44
10.3.7.1.1 Overview . 44
10.3.7.1.2 Operation for initial LS Request . 44
10.3.7.1.3 Operation for LS Request re-transmission. 45
10.3.7.1.4 Operation for LS Reply . 46
10.3.7.2 Forwarder operations . 46
10.3.7.3 Destination operations . 46
10.3.8 GUC packet handling. 48
10.3.8.1 General . 48
10.3.8.2 Source operations . 48
10.3.8.3 Forwarder operations . 50
10.3.8.4 Destination operations . 51
10.3.9 TSB packet handling . 52
10.3.9.1 General . 52
10.3.9.2 Source operations . 53
10.3.9.3 Forwarder and receiver operations . 54
10.3.10 SHB packet handling . 56
10.3.10.1 General . 56
10.3.10.2 Source operations . 56
10.3.10.3 Receiver operations . 57
10.3.11 GBC packet handling . 58
10.3.11.1 General . 58
10.3.11.2 Source operations . 58
10.3.11.3 Forwarder and receiver operations . 60
10.3.12 GAC packet handling. 62
10.3.12.1 General . 62
10.3.12.2 Source operations . 62
10.3.12.3 Forwarder and receiver operations . 62
Annex A (normative): Duplicate packet detection . 64
A.1 General . 64
A.2 SN-based duplicate packet detection . 64
Annex B (normative): Packet data rate and geographical area size control . 65
B.1 Overview . 65
B.2 Packet data rate control . 65
B.3 Geographical area size control . 65
Annex C (normative): Position vector update . 66
C.1 Overview . 66
C.2 Update of LocT position vector . 66
C.3 Update of GeoNetworking packet position vector . 67
Annex D (normative): GeoNetworking forwarding algorithm selection procedure . 68
Annex E (normative): Non-area forwarding algorithms . 70
E.1 Overview . 70
E.2 Greedy forwarding algorithm . 70
E.3 Non-area contention-based forwarding algorithm . 71
ETSI

---------------------- Page: 5 ----------------------
6 Draft ETSI EN 302 636-4-1 V1.4.0 (2019-05)
Annex F (normative): Area forwarding algorithms . 74
F.1 Overview . 74
F.2 Simple GeoBroadcast forwarding algorithm . 74
F.3 Area contention-based forwarding algorithm . 74
F.4 Area advanced forwarding algorithm . 77
Annex G (normative): GeoNetworking traffic classification . 82
Annex H (normative): GeoNetworking protocol constants . 83
Annex I (informative): ASN.1 encoding of the GeoNetworking MIB . 85
I.1 Use of modules . 85
I.2 ASN.1 module .
...

SLOVENSKI STANDARD
oSIST prEN 302 636-4-1 V1.4.0:2019
01-julij-2019
Inteligentni transportni sistemi (ITS) - Komunikacije med vozili - Geomreženje - 4.
del: Geografsko naslavljanje in podajanje pri komunikacijah točka-točka in točka-
več točk - 1. poddel: Medijsko neodvisna funkcionalnost
Intelligent Transport Systems (ITS) - Vehicular Communications - GeoNetworking - Part
4: Geographical addressing and forwarding for point-to-point and point-to-multipoint
communications - Sub-part 1: Media-Independent Functionality
Ta slovenski standard je istoveten z: ETSI EN 302 636-4-1 V1.4.0 (2019-05)
ICS:
35.240.60 Uporabniške rešitve IT v IT applications in transport
prometu
oSIST prEN 302 636-4-1 V1.4.0:2019 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN 302 636-4-1 V1.4.0:2019

---------------------- Page: 2 ----------------------
oSIST prEN 302 636-4-1 V1.4.0:2019
Draft ETSI EN 302 636-4-1 V1.4.0 (2019-05)






EUROPEAN STANDARD
Intelligent Transport Systems (ITS);
Vehicular Communications;
GeoNetworking;
Part 4: Geographical addressing and forwarding for
point-to-point and point-to-multipoint communications;
Sub-part 1: Media-Independent Functionality

---------------------- Page: 3 ----------------------
oSIST prEN 302 636-4-1 V1.4.0:2019

2 Draft ETSI EN 302 636-4-1 V1.4.0 (2019-05)



Reference
REN/ITS-00358
Keywords
autonomic networking, ITS, network, safety
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

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.

TM TM TM
DECT , PLUGTESTS , UMTS and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.
TM TM
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: 4 ----------------------
oSIST prEN 302 636-4-1 V1.4.0:2019

3 Draft ETSI EN 302 636-4-1 V1.4.0 (2019-05)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
Introduction . 8
1 Scope . 9
2 References . 9
2.1 Normative references . 9
2.2 Informative references . 9
3 Definition of terms, symbols and abbreviations . 10
3.1 Terms . 10
3.2 Symbols . 11
3.3 Abbreviations . 11
4 Services provided by the GeoNetworking protocol . 12
5 Format convention . 13
6 GeoNetworking address . 14
6.1 General . 14
6.2 GeoNetworking address format . 14
6.3 Fields of the GeoNetworking address . 15
7 Security and privacy . 15
8 Data structures . 16
8.1 Location table . 16
8.1.1 General . 16
8.1.2 Minimum data elements of a Location Table Entry . 16
8.1.3 Maintenance of the Location Table . 17
8.2 Ego Position Vector. 17
8.2.1 General . 17
8.2.2 Minimum data elements . 17
8.2.3 Maintenance . 17
8.3 Sequence number . 17
8.3.1 General . 17
8.3.2 Maintenance . 18
8.4 Location service packet buffer . 18
8.4.1 General . 18
8.4.2 Buffer size . 18
8.4.3 Maintenance . 18
8.5 Forwarding packet buffer . 19
8.5.1 General . 19
8.5.2 Buffer size . 19
8.5.3 Maintenance . 19
9 GeoNetworking packet structure and formats . 20
9.1 Overview . 20
9.2 Packet structure . 20
9.2.1 General . 20
9.2.2 Overall packet structure . 20
9.2.3 Maximum Transmit Unit . 20
9.3 GeoNetworking header structure . 21
9.4 GeoNetworking Secured Packet . 21
9.5 Position vectors . 21
9.5.1 Overview . 21
9.5.2 Long Position Vector . 21
9.5.2.1 Structure . 21
ETSI

---------------------- Page: 5 ----------------------
oSIST prEN 302 636-4-1 V1.4.0:2019

4 Draft ETSI EN 302 636-4-1 V1.4.0 (2019-05)
9.5.2.2 Fields . 22
9.5.3 Short Position Vector . 22
9.5.3.1 Structure . 22
9.5.3.2 Fields . 23
9.6 Basic Header . 23
9.6.1 Composition of the Basic Header . 23
9.6.2 Fields of the Basic Header . 23
9.6.3 Encoding of the NH field in the Basic Header . 24
9.6.4 Encoding of the LT field . 24
9.7 Common Header . 25
9.7.1 Composition of the Common Header . 25
9.7.2 Fields of the Common Header . 25
9.7.3 Encoding of the NH field in the Common Header . 25
9.7.4 Encoding of the HT and HST fields . 26
9.7.5 Encoding of the TC field . 26
9.8 GeoNetworking packet header types . 27
9.8.1 Overview . 27
9.8.2 GUC packet header . 27
9.8.2.1 Composition of the GUC packet header. 27
9.8.2.2 Fields of the GUC packet header . 28
9.8.3 TSB packet header . 28
9.8.3.1 Composition of the TSB packet header . 28
9.8.3.2 Fields of the TSB packet header . 29
9.8.4 SHB packet header. 29
9.8.4.1 Composition of the SHB packet header . 29
9.8.4.2 Fields of the SHB packet header . 30
9.8.5 GBC/GAC packet header . 30
9.8.5.1 Composition of the GBC/GAC packet header . 30
9.8.5.2 Fields of the GBC/GAC packet header . 31
9.8.6 BEACON packet header . 31
9.8.6.1 Composition of the BEACON packet header . 31
9.8.6.2 Fields of the BEACON packet header . 32
9.8.7 LS Request packet header . 32
9.8.7.1 Composition of the LS Request packet header. 32
9.8.7.2 Fields of the LS Request packet header . 33
9.8.8 LS Reply packet header . 33
9.8.8.1 Composition of the LS Reply packet header . 33
9.8.8.2 Fields of the LS Reply packet header . 34
10 Protocol operation . 34
10.1 General . 34
10.2 Network management . 35
10.2.1 Address configuration . 35
10.2.1.1 General . 35
10.2.1.2 Auto-address configuration . 35
10.2.1.3 Managed address configuration . 35
10.2.1.3.1 General Requirements . 35
10.2.1.3.2 Initial address configuration . 35
10.2.1.3.3 Address update . 35
10.2.1.4 Anonymous address configuration . 36
10.2.1.5 Duplicate address detection . 36
10.2.2 Ego position vector and time update . 37
10.2.2.1 Overview . 37
10.2.2.2 Ego Position Vector update . 37
10.2.2.3 Time update. 37
10.2.3 Beaconing . 37
10.2.4 Location service . 37
10.3 Packet handling . 38
10.3.1 Overview . 38
10.3.2 Basic Header field settings . 39
10.3.3 Basic Header processing . 39
10.3.4 Common Header field settings. 41
ETSI

---------------------- Page: 6 ----------------------
oSIST prEN 302 636-4-1 V1.4.0:2019

5 Draft ETSI EN 302 636-4-1 V1.4.0 (2019-05)
10.3.5 Common Header processing . 42
10.3.6 Beacon packet handling . 42
10.3.6.1 General . 42
10.3.6.2 Source operations . 42
10.3.6.3 Receiver operations . 44
10.3.7 Location service packet handling . 44
10.3.7.1 Source operations . 44
10.3.7.1.1 Overview . 44
10.3.7.1.2 Operation for initial LS Request . 44
10.3.7.1.3 Operation for LS Request re-transmission. 45
10.3.7.1.4 Operation for LS Reply . 46
10.3.7.2 Forwarder operations . 46
10.3.7.3 Destination operations . 46
10.3.8 GUC packet handling. 48
10.3.8.1 General . 48
10.3.8.2 Source operations . 48
10.3.8.3 Forwarder operations . 50
10.3.8.4 Destination operations . 51
10.3.9 TSB packet handling . 52
10.3.9.1 General . 52
10.3.9.2 Source operations . 53
10.3.9.3 Forwarder and receiver operations . 54
10.3.10 SHB packet handling . 56
10.3.10.1 General . 56
10.3.10.2 Source operations . 56
10.3.10.3 Receiver operations . 57
10.3.11 GBC packet handling . 58
10.3.11.1 General . 58
10.3.11.2 Source operations . 58
10.3.11.3 Forwarder and receiver operations . 60
10.3.12 GAC packet handling. 62
10.3.12.1 General . 62
10.3.12.2 Source operations . 62
10.3.12.3 Forwarder and receiver operations . 62
Annex A (normative): Duplicate packet detection . 64
A.1 General . 64
A.2 SN-based duplicate packet detection . 64
Annex B (normative): Packet data rate and geographical area size control . 65
B.1 Overview . 65
B.2 Packet data rate control . 65
B.3 Geographical area size control . 65
Annex C (normative): Position vector update . 66
C.1 Overview . 66
C.2 Update of LocT position vector . 66
C.3 Update of GeoNetworking packet position vector . 67
Annex D (normative): GeoNetworking forwarding algorithm selection procedure . 68
Annex E (normative): Non-area forwarding algorithms . 70
E.1 Overview . 70
E.2 Greedy forwarding algorithm . 70
E.3 Non-area contention-based forwarding algorithm . 71
ETSI

---------------------- Page: 7 ----------------------
oSIST prEN 302 636-4-1 V1.4.0:2019

6 Draft ETSI EN 302 636-4-1 V1.4.0 (2019-05)
Annex F (normative): Area forwarding algorithms . 74
F.1 Ove
...