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JCG GMDSS Symposium

19 November 2013

VDES:Next Generation AIS

in the Review & Modernization of the GMDSS


VDES: Next Generation AIS

� Contents

1. Present situation & Problems

GMDSS & AIS

2. Future: from now onReview and modernization of the GMDSS &

VDES : Next Generation AIS

3. Wrap up

1



GMDSS & AIS



GMDSS


GMDSS：Function, Carriage requirements

�Automatic/Manual

Distress Alerting and Locating

�SOLAS Chapter IV Carriage requirements

4

DISTRESS

Button

All passenger shipsengaged on international voyages

All cargo ships of 300GT or upwards engaged on international voyages


GMDSS: Components

�MF/HF/VHF Radio with DSC

�Handheld VHF/UHF Radio

�Inmarsat system with EGC

�NBDP terminal

�NAVTEX

�SART

�EPIRB, etc…

5


GMDSS: History

�1912 Titanic

�1914 SOLAS Convention

�1974 SOLAS Amendments

Introduction of the GMDSSIntroduction of the GMDSSIntroduction of the GMDSSIntroduction of the GMDSS

�1999 GMDSS fully enforcedGMDSS fully enforcedGMDSS fully enforcedGMDSS fully enforced

Abolished Morse Keying

6


GMDSS: Problems

�Old fashioned (70’s)

�Many components

�Complicated

�Cost for running shore base stations

�Poor coverage in Polar Region

�Non-SOLAS ships

7



AIS


�Automatic Exchange of Ships’ information�Ships’ ID/Type/Position/Course/

Speed (SOG, ROT,…), Navigational Status, etc.

AIS：Function 1

9


�Exchange of ASM:

Application Specific Messages� VTS related data, Meteorological and Hydrographic data,

Short text message, etc.

AIS：Function 2

10


�VDL (VHF Data Link) on CH AIS1, AIS2

�TDMA, 2250slot/sec

�Coverage: 20 .. 30 NM

AIS： Mechanism

11


AIS：Carriage requirements

�SOLAS Chapter V Carriage requirements

12

All passenger ships irrespective of size

All ships of 300GT and upwards engaged on international voyages

All cargo ships of 500GT and upwards not engaged on international voyages


AIS：Carriage requirements

�SOLAS Chapter V Carriage requirements

13

All passenger ships irrespective of size

All ships of 300GT and upwards engaged on international voyages

All cargo ships of 500GT and upwards not engaged on international voyages


AIS: History

�1998 Adoption PS for AIS

�2002 SOLAS Amendments (MSC 73)

Introduction of the AIS

�2008 AIS fully enforced (July 1st)

14


�Class A AIS

�Class B AIS

�AIS-SART

�AtoN (Aids to Navigation) AIS

�AIS-MOB

�EPIRB-AIS

�Base Station

�Repeater Station

AIS：Station Types

15


AIS: Problems

�Non-SOLAS Ships

�Variety of devices

�Needs to exchange more ASM

�Needs for extension of coverage

�Congestion of AIS Channel (AIS1, AIS2)

�IMO concentration only on Class A

16


AIS and GMDSS

�AIS is NOT a part of GMDSS

�Coverage of the carriage requirements

are NOT same

17


2. Future: from now on

Review and Modernization of the

GMDSS

&




Review & Modernization of the

GMDSS


IMO Review and modernization of the GMDSS

�Review and modernization plan(2013 COMSAR17)

�2013…2017 Review period

�2014 Detailed review

�2015 Outline of the modernization plan

�2017 Approve the modernization plan

�2017… Implementation period of

the modernized GMDSS

20


IMO Review and Modernization of the GMDSS

�12 NEW ITEM might be included (candidate list)

2013 IMO COMSAR17

1. AIS (Traditional AIS)

2. HF e-mail and data systems

3. VHF data systems

4. ASM (Application Specific Messages)

over AIS or VHF data systems

5. NAVDAT

6. Modern satellite communication technologies

21


IMO Review and Modernization of the GMDSS

�12 NEW ITEM might be included (candidate list)

2013 IMO COMSAR17

7. Additional GMDSS satellite service providers

8. Hand-held satellite telephones in survival craft

9. Hand-held VHF with DSC and GNSS for

survival craft

10. Man Overboard Devices

11. Cospas-Sarsat MEOSAR system; and

12. AIS and GNSS-equipped EPIRB.

22



VDES:Next generation AIS


VDES： Next generation AIS (IALA e-NAV WG3+4)

�VDES formula

AIS (Traditional AIS）

+ ASM（Application Specific Messages)

+ VDL (VHF Data Link)

+ SAT (Satellite Link)

____________________________________

= VDES :VHF Data Exchange System

24


VDES： TOKYO WORKSHOP 2012/12/3-7

25

VDES : Figure of VDES (IALA e-NAV WG3+4)


VDES: Development plan (IALA e-NAV WG3+4)

�２０１２ WRC-12 VDES testing frequency allocation

�２０１３ Development of draft ITU-R Rec. M.[VDES]

�２０１４ Development of prototype and testing

�２０１５ WRC-15 VDES exclusive frequency allocation

�２０１５ VDES Sat launch

�２０１６ VDES Sat running & testing

�２０１７ Start implementation of the Modernized GMDSS

26


3. Wrap up



in the Review & Modernization of the GMDSS

�Might be a part of the Modernized GMDSS

�Milestone: 2017

�Just started studying in detail

28


NAVDAT

JCG GMDSS Symposium

19 November 2013


NAVDAT

� Contents

1. NAVTEX overview

2. NAVDAT overview

3. Wrap up

30


NAVTEX:

�A part of GMDSS (SOLAS Chapter IV/7)

�MSI/WWNWS Broadcasting/Receiving

�Text information Text information Text information Text information broadcasting

�Low throughputLow throughputLow throughputLow throughput: 100 Baud (50 bps)

�Frequency: 490 kHz/518 kHz/4209.5 kHz

31


NAVDAT:

�Developed by KENTA（France）

� ITU-R Recommendation M.2010 （2012/03)

�MSI/WWNWS Broadcasting/Receiving

�Digital data Digital data Digital data Digital data broadcasting

�High throughputHigh throughputHigh throughputHigh throughput: 15 ... 25 kbps

�Frequency: 500 kHz (WRC-12)

�T.B.D. SOLAS requirements, IMO PS, IEC PS/TS, etc.

32


NAVDAT v.s. NAVTEX

33

NAVTEXNAVTEXNAVTEXNAVTEX NAVDATNAVDATNAVDATNAVDAT

Function MSI/WWNWS Broadcasting/Receiving MSI/WWNWS Broadcasting/Receiving

and more...

Modulation 100 Baud FSK (50 bit/sec) 15 to 25 kbit/sec FDM (x 300 or more!)

Occupied BW 3 kHz 10 kHz

Exchange Data Type Text Text, Picture, photo, etc

Display Small terminal or Printer ECDIS, INS, PLOTTER, etc.

Frequency 490 kHz (National)

518 kHz/4209.5 kHz (International)

500 kHz (ITU WRC-12)

SOLAS CR Chapter IV (GMDSS) N.A. (T.B.D. after 2017? )

IMO PS A.694(17)

MSC.148(77)

N.A. (T.B.D. after 2017? )

ITU PS ITU-R Rec. M.476-5 (1995),

ITU-R Rec. M.540-2 (1990),

ITU-R Rec. M.625-3 (1995)

ITU-R Rec. M.2010 (2012)

IEC PS/TS IEC 61097-6 N.A. (T.B.D. after 2017? )


JCG GMDSS Symposium

19 November 2013

Thank you!

next generation ais - canpan fields€¦ · vdes：next generation ais (iala e-nav wg3+4)...

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