SIST EN 302 636-4-1 V1.2.1:2014
(Main)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
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
The present document specifies the media-independent functionality of the GeoNetworking protocol.
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
Ta dokument določa medijsko neodvisno funkcionalnost protokola geomreženja.
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.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 Functionality35.240.60Uporabniške rešitve IT v transportu in trgoviniIT applications in transport and tradeICS:Ta slovenski standard je istoveten z:EN 302 636-4-1 Version 1.2.1SIST EN 302 636-4-1 V1.2.1:2014en01-oktober-2014SIST EN 302 636-4-1 V1.2.1:2014SLOVENSKI
STANDARD
SIST EN 302 636-4-1 V1.2.1:2014
ETSI EN 302 636-4-1 V1.2.1 (2014-07) 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
EUROPEAN STANDARD SIST EN 302 636-4-1 V1.2.1:2014
ETSI ETSI EN 302 636-4-1 V1.2.1 (2014-07)2
Reference REN/ITS-0030035 Keywords autonomic networking, ITS, network, safety 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 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 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 document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at http://portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http://portal.etsi.org/chaircor/ETSI_support.asp 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.
© European Telecommunications Standards Institute 2014. All rights reserved.
DECTTM, PLUGTESTSTM, UMTSTM and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association. SIST EN 302 636-4-1 V1.2.1:2014
ETSI ETSI EN 302 636-4-1 V1.2.1 (2014-07)3 Contents Intellectual Property Rights . 7 Foreword . 7 Modal verbs terminology . 7 Introduction . 7 1 Scope . 8 2 References . 8 2.1 Normative references . 8 2.2 Informative references . 8 3 Definitions, symbols and abbreviations . 9 3.1 Definitions . 9 3.2 Symbols . 10 3.3 Abbreviations . 10 4 Services provided by the GeoNetworking protocol . 11 5 Format convention . 12 6 GeoNetworking address . 13 6.1 General . 13 6.2 GeoNetworking address format . 13 6.3 Fields of the GeoNetworking address . 13 7 Data structures . 14 7.1 Location table . 14 7.1.1 General . 14 7.1.2 Minimum data elements of a Location Table Entry . 14 7.1.3 Maintenance of the Location Table . 15 7.2 Local Position Vector . 15 7.2.1 General . 15 7.2.2 Minimum data elements . 15 7.2.3 Maintenance . 15 7.3 Sequence number . 16 7.3.1 General . 16 7.3.2 Maintenance . 16 7.4 Location service packet buffer . 16 7.4.1 General . 16 7.4.2 Buffer size . 16 7.4.3 Maintenance . 16 7.5 Forwarding packet buffer . 17 7.5.1 General . 17 7.5.2 Buffer size . 17 7.5.3 Maintenance . 17 8 GeoNetworking packet structure and formats . 18 8.1 Overview . 18 8.2 Packet structure . 18 8.2.1 General . 18 8.2.2 Overall packet structure . 18 8.2.3 Maximum Transmit Unit . 19 8.3 GeoNetworking header structure . 19 8.4 GeoNetworking Secured Packet . 19 8.5 Position vector . 20 8.5.1 Overview . 20 8.5.2 Long Position Vector . 20 8.5.2.1 Structure . 20 SIST EN 302 636-4-1 V1.2.1:2014
ETSI ETSI EN 302 636-4-1 V1.2.1 (2014-07)4 8.5.2.2 Fields . 20 8.5.3 Short Position Vector . 21 8.5.3.1 Structure . 21 8.5.3.2 Fields . 21 8.6 Basic Header . 21 8.6.1 Composition of the Basic Header . 21 8.6.2 Fields of the Basic Header . 22 8.6.3 Encoding of the NH field in the Basic Header . 22 8.6.4 Encoding of the LT field . 22 8.7 Common Header . 23 8.7.1 Composition of the Common Header . 23 8.7.2 Fields of the Common Header . 24 8.7.3 Encoding of the NH field in the Common Header . 24 8.7.4 Encoding of the HT and HST fields . 25 8.7.5 Encoding of the TC field . 25 8.8 GeoNetworking packet header types . 26 8.8.1 Overview . 26 8.8.2 GUC packet header . 26 8.8.2.1 Composition of the GUC packet header. 26 8.8.2.2 Fields of the GUC packet header . 27 8.8.3 TSB packet header . 27 8.8.3.1 Composition of the TSB packet header . 27 8.8.3.2 Fields of the TSB packet header . 28 8.8.4 SHB packet header. 28 8.8.4.1 Composition of the SHB packet header . 28 8.8.4.2 Fields of the SHB packet header . 29 8.8.5 GBC/GAC packet header . 29 8.8.5.1 Composition of the GBC/GAC packet header . 29 8.8.5.2 Fields of the GBC/GAC packet header . 30 8.8.6 BEACON packet header . 30 8.8.6.1 Composition of the BEACON packet header . 30 8.8.6.2 Fields of the BEACON packet header . 31 8.8.7 LS Request packet header . 31 8.8.7.1 Composition of the LS Request packet header. 31 8.8.7.2 Fields of the LS Request packet header . 32 8.8.8 LS Reply packet header . 32 8.8.8.1 Composition of the LS Reply packet header . 32 8.8.8.2 Fields of the LS Reply packet header . 33 9 Protocol operation . 33 9.1 General . 33 9.2 Network management . 34 9.2.1 Address configuration . 34 9.2.1.1 General . 34 9.2.1.2 Auto-address configuration . 34 9.2.1.3 Managed address configuration . 34 9.2.1.3.1 Initial address configuration . 34 9.2.1.3.2 Address update . 34 9.2.1.4 Anonymous address configuration . 35 9.2.1.5 Duplicate address detection . 35 9.2.2 Local position vector and time update . 36 9.2.2.1 Overview . 36 9.2.2.2 Local Position Vector update . 36 9.2.2.3 Time update. 36 9.2.3 Beaconing . 36 9.2.4 Location service . 36 9.3 Packet handling . 37 9.3.1 Overview . 37 9.3.2 Basic Header field settings . 38 9.3.3 Basic Header processing . 38 9.3.4 Common Header field settings. 40 9.3.5 Common Header processing . 41 SIST EN 302 636-4-1 V1.2.1:2014
ETSI ETSI EN 302 636-4-1 V1.2.1 (2014-07)5 9.3.6 Beacon packet handling . 41 9.3.6.1 General . 41 9.3.6.2 Source operations . 41 9.3.6.3 Receiver operations . 42 9.3.7 Location service packet handling . 43 9.3.7.1 Source operations . 43 9.3.7.1.1 Overview . 43 9.3.7.1.2 Source operation for initial LS Request . 43 9.3.7.1.3 Source operation for LS Request re-transmission . 44 9.3.7.1.4 Source operation for LS Reply . 44 9.3.7.2 Forwarder operations . 45 9.3.7.3 Destination operations . 45 9.3.8 GUC packet handling. 45 9.3.8.1 General . 45 9.3.8.2 Source operations . 46 9.3.8.3 Forwarder operations . 47 9.3.8.4 Destination operations . 48 9.3.9 TSB packet handling . 49 9.3.9.1 General . 49 9.3.9.2 Source operations . 50 9.3.9.3 Forwarder and receiver operations . 51 9.3.10 SHB packet handling . 53 9.3.10.1 General . 53 9.3.10.2 Source operations . 53 9.3.10.3 Receiver operations . 54 9.3.11 GBC packet handling . 55 9.3.11.1 General . 55 9.3.11.2 Source operations . 55 9.3.11.3 Forwarder and receiver operations . 57 9.3.12 GAC packet handling. 59 9.3.12.1 General . 59 9.3.12.2 Source operations . 59 9.3.12.3 Forwarder and receiver operations . 60 10 Conformance and test methods . 62 Annex A (normative): Duplicate packet detection . 63 A.1 General . 63 A.2 SN- and TST-based duplicate packet detection . 63 A.3 TST-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): GeoUnicast forwarding algorithms . 68 D.1 Overview . 68 D.2 Greedy Forwarding algorithm for GeoUnicast. 68 D.3 Contention-Based Forwarding algorithm for GeoUnicast. 69 SIST EN 302 636-4-1 V1.2.1:2014
ETSI ETSI EN 302 636-4-1 V1.2.1 (2014-07)6 Annex E (normative): GeoBroadcast forwarding algorithms. 73 E.1 Overview . 73 E.2 Simple GeoBroadcast forwarding algorithm with line forwarding . 73 E.3 Contention-based forwarding algorithm for GeoBroadcast . 75 E.4 Advanced forwarding algorithm for GeoBroadcast . 78 Annex F (normative): GeoNetworking traffic classification . 83 Annex G (normative): GeoNetworking protocol constants . 84 Annex H (informative): ASN.1 encoding of the GeoNetworking MIB . 87 H.1 Use of modules . 87 H.2 ASN.1 module . 87 Annex I (informative): GeoNetworkin
...
ETSI EN 302 636-4-1 V1.2.1 (2014-07)
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 V1.2.1 (2014-07)
Reference
REN/ITS-0030035
Keywords
autonomic networking, ITS, network, safety
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
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 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 document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
http://portal.etsi.org/tb/status/status.asp
If you find errors in the present document, please send your comment to one of the following services:
http://portal.etsi.org/chaircor/ETSI_support.asp
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.
© European Telecommunications Standards Institute 2014.
All rights reserved.
TM TM TM
DECT , PLUGTESTS , UMTS and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members.
TM
3GPP and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association.
ETSI
---------------------- Page: 2 ----------------------
3 ETSI EN 302 636-4-1 V1.2.1 (2014-07)
Contents
Intellectual Property Rights . 7
Foreword . 7
Modal verbs terminology . 7
Introduction . 7
1 Scope . 8
2 References . 8
2.1 Normative references . 8
2.2 Informative references . 8
3 Definitions, symbols and abbreviations . 9
3.1 Definitions . 9
3.2 Symbols . 10
3.3 Abbreviations . 10
4 Services provided by the GeoNetworking protocol . 11
5 Format convention . 12
6 GeoNetworking address . 13
6.1 General . 13
6.2 GeoNetworking address format . 13
6.3 Fields of the GeoNetworking address . 13
7 Data structures . 14
7.1 Location table . 14
7.1.1 General . 14
7.1.2 Minimum data elements of a Location Table Entry . 14
7.1.3 Maintenance of the Location Table . 15
7.2 Local Position Vector . 15
7.2.1 General . 15
7.2.2 Minimum data elements . 15
7.2.3 Maintenance . 15
7.3 Sequence number . 16
7.3.1 General . 16
7.3.2 Maintenance . 16
7.4 Location service packet buffer . 16
7.4.1 General . 16
7.4.2 Buffer size . 16
7.4.3 Maintenance . 16
7.5 Forwarding packet buffer . 17
7.5.1 General . 17
7.5.2 Buffer size . 17
7.5.3 Maintenance . 17
8 GeoNetworking packet structure and formats . 18
8.1 Overview . 18
8.2 Packet structure . 18
8.2.1 General . 18
8.2.2 Overall packet structure . 18
8.2.3 Maximum Transmit Unit . 19
8.3 GeoNetworking header structure . 19
8.4 GeoNetworking Secured Packet . 19
8.5 Position vector . 20
8.5.1 Overview . 20
8.5.2 Long Position Vector . 20
8.5.2.1 Structure . 20
ETSI
---------------------- Page: 3 ----------------------
4 ETSI EN 302 636-4-1 V1.2.1 (2014-07)
8.5.2.2 Fields . 20
8.5.3 Short Position Vector . 21
8.5.3.1 Structure . 21
8.5.3.2 Fields . 21
8.6 Basic Header . 21
8.6.1 Composition of the Basic Header . 21
8.6.2 Fields of the Basic Header . 22
8.6.3 Encoding of the NH field in the Basic Header . 22
8.6.4 Encoding of the LT field . 22
8.7 Common Header . 23
8.7.1 Composition of the Common Header . 23
8.7.2 Fields of the Common Header . 24
8.7.3 Encoding of the NH field in the Common Header . 24
8.7.4 Encoding of the HT and HST fields . 25
8.7.5 Encoding of the TC field . 25
8.8 GeoNetworking packet header types . 26
8.8.1 Overview . 26
8.8.2 GUC packet header . 26
8.8.2.1 Composition of the GUC packet header. 26
8.8.2.2 Fields of the GUC packet header . 27
8.8.3 TSB packet header . 27
8.8.3.1 Composition of the TSB packet header . 27
8.8.3.2 Fields of the TSB packet header . 28
8.8.4 SHB packet header. 28
8.8.4.1 Composition of the SHB packet header . 28
8.8.4.2 Fields of the SHB packet header . 29
8.8.5 GBC/GAC packet header . 29
8.8.5.1 Composition of the GBC/GAC packet header . 29
8.8.5.2 Fields of the GBC/GAC packet header . 30
8.8.6 BEACON packet header . 30
8.8.6.1 Composition of the BEACON packet header . 30
8.8.6.2 Fields of the BEACON packet header . 31
8.8.7 LS Request packet header . 31
8.8.7.1 Composition of the LS Request packet header. 31
8.8.7.2 Fields of the LS Request packet header . 32
8.8.8 LS Reply packet header . 32
8.8.8.1 Composition of the LS Reply packet header . 32
8.8.8.2 Fields of the LS Reply packet header . 33
9 Protocol operation . 33
9.1 General . 33
9.2 Network management . 34
9.2.1 Address configuration . 34
9.2.1.1 General . 34
9.2.1.2 Auto-address configuration . 34
9.2.1.3 Managed address configuration . 34
9.2.1.3.1 Initial address configuration . 34
9.2.1.3.2 Address update . 34
9.2.1.4 Anonymous address configuration . 35
9.2.1.5 Duplicate address detection . 35
9.2.2 Local position vector and time update . 36
9.2.2.1 Overview . 36
9.2.2.2 Local Position Vector update . 36
9.2.2.3 Time update. 36
9.2.3 Beaconing . 36
9.2.4 Location service . 36
9.3 Packet handling . 37
9.3.1 Overview . 37
9.3.2 Basic Header field settings . 38
9.3.3 Basic Header processing . 38
9.3.4 Common Header field settings. 40
9.3.5 Common Header processing . 41
ETSI
---------------------- Page: 4 ----------------------
5 ETSI EN 302 636-4-1 V1.2.1 (2014-07)
9.3.6 Beacon packet handling . 41
9.3.6.1 General . 41
9.3.6.2 Source operations . 41
9.3.6.3 Receiver operations . 42
9.3.7 Location service packet handling . 43
9.3.7.1 Source operations . 43
9.3.7.1.1 Overview . 43
9.3.7.1.2 Source operation for initial LS Request . 43
9.3.7.1.3 Source operation for LS Request re-transmission . 44
9.3.7.1.4 Source operation for LS Reply . 44
9.3.7.2 Forwarder operations . 45
9.3.7.3 Destination operations . 45
9.3.8 GUC packet handling. 45
9.3.8.1 General . 45
9.3.8.2 Source operations . 46
9.3.8.3 Forwarder operations . 47
9.3.8.4 Destination operations . 48
9.3.9 TSB packet handling . 49
9.3.9.1 General . 49
9.3.9.2 Source operations . 50
9.3.9.3 Forwarder and receiver operations . 51
9.3.10 SHB packet handling . 53
9.3.10.1 General . 53
9.3.10.2 Source operations . 53
9.3.10.3 Receiver operations . 54
9.3.11 GBC packet handling . 55
9.3.11.1 General . 55
9.3.11.2 Source operations . 55
9.3.11.3 Forwarder and receiver operations . 57
9.3.12 GAC packet handling. 59
9.3.12.1 General . 59
9.3.12.2 Source operations . 59
9.3.12.3 Forwarder and receiver operations . 60
10 Conformance and test methods . 62
Annex A (normative): Duplicate packet detection . 63
A.1 General . 63
A.2 SN- and TST-based duplicate packet detection . 63
A.3 TST-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): GeoUnicast forwarding algorithms . 68
D.1 Overview . 68
D.2 Greedy Forwarding algorithm for GeoUnicast. 68
D.3 Contention-Based Forwarding algorithm for GeoUnicast. 69
ETSI
---------------------- Page: 5 ----------------------
6 ETSI EN 302 636-4-1 V1.2.1 (2014-07)
Annex E (normative): GeoBroadcast forwarding algorithms. 73
E.1 Overview . 73
E.2 Simple GeoBroadcast forwarding algorithm with line forwarding . 73
E.3 Contention-based forwarding algorithm for GeoBroadcast . 75
E.4 Advanced forwarding algorithm for GeoBroadcast . 78
Annex F (normative): GeoNetworking traffic classification . 83
Annex G (normative): GeoNetworking protocol constants . 84
Annex H (informative): ASN.1 encoding of the GeoNetworking MIB . 87
H.1 Use of modules . 87
H.2 ASN.1 module . 87
Annex I (informative): GeoNetworking data services . 95
I.1 General . 95
I.2 GN-DATA.r
...
Final draft ETSI EN 302 636-4-1 V1.2.1 (2014-05)
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 Final draft ETSI EN 302 636-4-1 V1.2.1 (2014-05)
Reference
REN/ITS-0030035
Keywords
autonomic networking, ITS, network, safety
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
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 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 document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
http://portal.etsi.org/tb/status/status.asp
If you find errors in the present document, please send your comment to one of the following services:
http://portal.etsi.org/chaircor/ETSI_support.asp
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.
© European Telecommunications Standards Institute 2014.
All rights reserved.
TM TM TM
DECT , PLUGTESTS , UMTS and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members.
TM
3GPP and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association.
ETSI
---------------------- Page: 2 ----------------------
3 Final draft ETSI EN 302 636-4-1 V1.2.1 (2014-05)
Contents
Intellectual Property Rights . 7
Foreword . 7
Introduction . 7
1 Scope . 8
2 References . 8
2.1 Normative references . 8
2.2 Informative references . 8
3 Definitions, symbols and abbreviations . 9
3.1 Definitions . 9
3.2 Symbols . 10
3.3 Abbreviations . 10
4 Services provided by the GeoNetworking protocol . 11
5 Format convention . 12
6 GeoNetworking address . 13
6.1 General . 13
6.2 GeoNetworking address format . 13
6.3 Fields of the GeoNetworking address . 13
7 Data structures . 14
7.1 Location table . 14
7.1.1 General . 14
7.1.2 Minimum data elements of a Location Table Entry . 14
7.1.3 Maintenance of the Location Table . 15
7.2 Local Position Vector . 15
7.2.1 General . 15
7.2.2 Minimum data elements . 15
7.2.3 Maintenance . 15
7.3 Sequence number . 16
7.3.1 General . 16
7.3.2 Maintenance . 16
7.4 Location service packet buffer . 16
7.4.1 General . 16
7.4.2 Buffer size . 16
7.4.3 Maintenance . 16
7.5 Forwarding packet buffer . 17
7.5.1 General . 17
7.5.2 Buffer size . 17
7.5.3 Maintenance . 17
8 GeoNetworking packet structure and formats . 18
8.1 Overview . 18
8.2 Packet structure . 18
8.2.1 General . 18
8.2.2 Overall packet structure . 18
8.2.3 Maximum Transmit Unit . 19
8.3 GeoNetworking header structure . 19
8.4 GeoNetworking Secured Packet . 19
8.5 Position vector . 20
8.5.1 Overview . 20
8.5.2 Long Position Vector . 20
8.5.2.1 Structure . 20
8.5.2.2 Fields . 20
8.5.3 Short Position Vector . 21
ETSI
---------------------- Page: 3 ----------------------
4 Final draft ETSI EN 302 636-4-1 V1.2.1 (2014-05)
8.5.3.1 Structure . 21
8.5.3.2 Fields . 21
8.6 Basic Header . 21
8.6.1 Composition of the Basic Header . 21
8.6.2 Fields of the Basic Header . 22
8.6.3 Encoding of the NH field in the Basic Header . 22
8.6.4 Encoding of the LT field . 22
8.7 Common Header . 23
8.7.1 Composition of the Common Header . 23
8.7.2 Fields of the Common Header . 24
8.7.3 Encoding of the NH field in the Common Header . 24
8.7.4 Encoding of the HT and HST fields . 25
8.7.5 Encoding of the TC field . 25
8.8 GeoNetworking packet header types . 26
8.8.1 Overview . 26
8.8.2 GUC packet header . 26
8.8.2.1 Composition of the GUC packet header. 26
8.8.2.2 Fields of the GUC packet header . 27
8.8.3 TSB packet header . 27
8.8.3.1 Composition of the TSB packet header . 27
8.8.3.2 Fields of the TSB packet header . 28
8.8.4 SHB packet header. 28
8.8.4.1 Composition of the SHB packet header . 28
8.8.4.2 Fields of the SHB packet header . 29
8.8.5 GBC/GAC packet header . 29
8.8.5.1 Composition of the GBC/GAC packet header . 29
8.8.5.2 Fields of the GBC/GAC packet header . 30
8.8.6 BEACON packet header . 30
8.8.6.1 Composition of the BEACON packet header . 30
8.8.6.2 Fields of the BEACON packet header . 31
8.8.7 LS Request packet header . 31
8.8.7.1 Composition of the LS Request packet header. 31
8.8.7.2 Fields of the LS Request packet header . 32
8.8.8 LS Reply packet header . 32
8.8.8.1 Composition of the LS Reply packet header . 32
8.8.8.2 Fields of the LS Reply packet header . 33
9 Protocol operation . 33
9.1 General . 33
9.2 Network management . 34
9.2.1 Address configuration . 34
9.2.1.1 General . 34
9.2.1.2 Auto-address configuration . 34
9.2.1.3 Managed address configuration . 34
9.2.1.3.1 Initial address configuration . 34
9.2.1.3.2 Address update . 34
9.2.1.4 Anonymous address configuration . 35
9.2.1.5 Duplicate address detection . 35
9.2.2 Local position vector and time update . 36
9.2.2.1 Overview . 36
9.2.2.2 Local Position Vector update . 36
9.2.2.3 Time update. 36
9.2.3 Beaconing . 36
9.2.4 Location service . 36
9.3 Packet handling . 37
9.3.1 Overview . 37
9.3.2 Basic Header field settings . 38
9.3.3 Basic Header processing . 38
9.3.4 Common Header field settings. 40
9.3.5 Common Header processing . 41
9.3.6 Beacon packet handling . 41
9.3.6.1 General . 41
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5 Final draft ETSI EN 302 636-4-1 V1.2.1 (2014-05)
9.3.6.2 Source operations . 41
9.3.6.3 Receiver operations . 42
9.3.7 Location service packet handling . 43
9.3.7.1 Source operations . 43
9.3.7.1.1 Overview . 43
9.3.7.1.2 Source operation for initial LS Request . 43
9.3.7.1.3 Source operation for LS Request re-transmission . 44
9.3.7.1.4 Source operation for LS Reply . 44
9.3.7.2 Forwarder operations . 45
9.3.7.3 Destination operations . 45
9.3.8 GUC packet handling. 45
9.3.8.1 General . 45
9.3.8.2 Source operations . 46
9.3.8.3 Forwarder operations . 47
9.3.8.4 Destination operations . 48
9.3.9 TSB packet handling . 49
9.3.9.1 General . 49
9.3.9.2 Source operations . 50
9.3.9.3 Forwarder and receiver operations . 51
9.3.10 SHB packet handling . 53
9.3.10.1 General . 53
9.3.10.2 Source operations . 53
9.3.10.3 Receiver operations . 54
9.3.11 GBC packet handling . 55
9.3.11.1 General . 55
9.3.11.2 Source operations . 55
9.3.11.3 Forwarder and receiver operations . 57
9.3.12 GAC packet handling. 59
9.3.12.1 General . 59
9.3.12.2 Source operations . 59
9.3.12.3 Forwarder and receiver operations . 60
10 Conformance and test methods . 62
Annex A (normative): Duplicate packet detection . 63
A.1 General . 63
A.2 SN- and TST-based duplicate packet detection . 63
A.3 TST-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): GeoUnicast forwarding algorithms . 68
D.1 Overview . 68
D.2 Greedy Forwarding algorithm for GeoUnicast. 68
D.3 Contention-Based Forwarding algorithm for GeoUnicast. 69
Annex E (normative): GeoBroadcast forwarding algorithms. 73
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E.1 Overview . 73
E.2 Simple GeoBroadcast forwarding algorithm with line forwarding . 73
E.3 Contention-based forwarding algorithm for GeoBroadcast . 75
E.4 Advanced forwarding algorithm for GeoBroadcast . 78
Annex F (normative): GeoNetworking traffic classification . 83
Annex G (normative): GeoNetworking protocol constants . 84
Annex H (informative): ASN.1 encoding of the GeoNetworking MIB . 87
H.1 Use of modules . 87
H.2 ASN.1 module . 87
Annex I (informative): GeoNetworking data services . 95
I.1 General . 95
I.2 GN-DATA.request .
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