PERFORMANCE STUDY of THEOS DATA TRANSFER via Mobile IP Mr. Prawit - - PowerPoint PPT Presentation

PERFORMANCE STUDY of THEOS DATA TRANSFER via Mobile IP

• Mr. Prawit CHERTCHOM

Network Engineer

Outline Outline

GI STDA with THEOS THEOS I mage for Disaster THEOS I mage for Disaster Experimentation

I mage Ground System I mage Ground System

THEOS THEOS S-Band Station THEOS X-Band Station

THEOS THEOS C t l G d Image Ground Segment Control Ground Segment User Request

THEOS I MAGE THEOS I MAGE

PAN MS PAN Sharpening Sharpening

THEOS I MAGE TYPE THEOS I MAGE TYPE

P

2 22 k

Pan 2 m. 22 km. MS 15 m. 90 Km. Level 1A Level 2A Pansharpening 2m Pansharpening 2m.

Hardware architecture of THEOS image ground segment Hardware architecture of THEOS image ground segment

Acquisition Acquisition

Ladkraba

THEOS

ang Station

GSC 13m.

n

ข้อมูลโดย : ประมิน พิชิตการค้า

Sriracha St tatio

• n

ข้อมูลโดย : สาวิตรี กลั่นเอี่ยม

Sequence of activities from acquisition to archiving Sequence of activities from acquisition to archiving

Monitoring

Moving Window Display

Role of GISTDA in Disaster monitoring in Thailand Flood: Inundated area maps were provided to Flood: Inundated area maps were provided to

relating agencies and to public via GISTDA web page page

Forest fire: Hot spot and burnt area were posted

• n GISTDA MODIS web page and WMS
• n GISTDA MODIS web page and WMS

Environmental and climate related event

monitoring monitoring

Drought monitoring using THEOS and Landsat-5 Coastal change using archived and recent Landsat,

SPOT and THEOS images

Forest Fire (Fire Hotspots) Forest Fire (Fire Hotspots)

Drought monitoring Drought monitoring

Coastal Changes Coastal Changes

Flood Monitoring Flood Monitoring

THEOS Image, Acquired on Nov 1, 2010 Nov 1, 2010 Inundated area: Sing Buri

Flood Monitoring Flood Monitoring

THEOS Image, Acquired on Oct 23, 2010 Inundated area: Nakhon Ratchasima

Flood Monitoring Flood Monitoring

THEOS Image, Acquired on Oct 27, 2010 Inundated area: Ayutthaya

Open access of EO data: GISTDA web page Open access of EO data: GISTDA web page Public awareness:

Disasters situation: view from satellite Web map server

Web map server

Activities of Sentinel Asia GISTDA Node Activities of Sentinel Asia GISTDA Node Possibility for GISTDA to become a SA provider

y p node with the launch of THEOS

Mode of Data Transfer Mode of Data Transfer

Currently, data transfer from GISTDA server to SA

y, server can be made via ftp

Data transfer testing for THEOS was successfully Data transfer testing for THEOS was successfully

done (June 2009): THEOS full scene image (both MS and Pan) MS and Pan) Data preprocessing: convert map projection to

geographic lat/long remove ch4 from MS image geographic lat/long, remove ch4 from MS image, remake jpeg, make meta-data

Data visualization on SA WMS

Data visualization on SA WMS

THEOS image on SA server THEOS image on SA server

Multispectral 15 meter resolution; 90x90 sq.km. Panchromatic 2 meter resolution; 22x22 sq.km.

ASEAN+3 ASEAN+3

ASEAN+ 3 Satellite Image Archive for

Environmental Study project Environmental Study project

To share the satellite image archives among the

ASEAN 3 b t i ASEAN+ 3 member countries

A distributed system of servers containing

metadata of available ASIAES information for environments study and natural hazards Make use of readily available Internet Mapping

technology

International standard will be applied to facilitate

query and consistent presentation across multiple participating sites

ASEAN ASEAN

System Capabilities

y p Automated Metadata/Information Updating service Searching service Searching service

• Region of Interest via Web Map Service
• Catalogue/Keywords Search
• Catalogue/Keywords Search
• Data Viewing
• Data Upload/download service
• Data Upload/download service
• Linkages for ordering service

ASEAN ASEAN

System Capabilities

y p Automated Metadata/Information Updating service Searching service Searching service

• Region of Interest via Web Map Service
• Catalogue/Keywords Search
• Catalogue/Keywords Search
• Data Viewing
• Data Upload/download service
• Data Upload/download service
• Linkages for ordering service

ASEAN ASEAN

Data content

Metadata of the Image which can be used for

natural hazard management or representing natural hazard management or representing environmental events

Documents, applications and tools

Documents, applications and tools

Satellite image archives

Types of Hazard Types of Hazard

Earthquake; active volcano; fire; flood; landslide;

deforestation; oil spill; air; soil and water pollution deforestation; oil spill; air; soil and water pollution, etc.

Thailand Monitoring System

Portal for providing of satellite-based geo-spatial

p g g p information for operational use Natural resources, environment, disasters and

Natural resources, environment, disasters and national security

WEB-BASED System WEB BASED System

Data acquisition, data processing, data

dissemination dissemination

System comprises: Geo-spatial database, image

and Thematic processing unit thematic application and Thematic processing unit, thematic application models, data presentation/distribution unit

Monitoring System for Disaster Monitoring System for Disaster

National Satellite Image Archive National Satellite Image Archive

RTL: StorageTek L700 SDLT Slots: 690 Capacity: ~ 600 Terabyte

Data Management: Data Management:

Satellite Data: FRED and

I P d t il bl Image Products available

• n-line services

THEOS Image Ground Segment (IGS) THEOS Image Ground Segment (IGS)

THEOS

Processing Database Sever g Sever

M bil IP Mobile IP using for using for THEOS

Connection between GISTDA and other Node Connection between GISTDA and other Node

Simulation Scenario Simulation Scenario

The throughput of sending packet without

g p g p buffering

The throughput of sending packet with buffering The throughput of sending packet with buffering The throughput of receiving packet without

buffering buffering

The throughput of receiving packet with buffering The throughput as the difference the time when

g p mobile host is able to receive the first packet

Mobile IP without Buffering Mobile IP without Buffering

The packet losses between time 100 and 120 seconds and 120 seconds

Mobile IP with Buffering Mobile IP with Buffering

The period between 80 d d seconds and 120 seconds the packets stack up in p buffer

Throughput for Mobile IP without Buffering Throughput for Mobile IP without Buffering

Throughput for Mobile IP with Buffering Throughput for Mobile IP with Buffering

Number of Packet loss Number of Packet loss

250 200

• ss

Without Buffering AVG 177 8

150

acket Lo

AVG= 177.8

50 100

ber of Pa Buffering

50

Numb AVG= 2.8

• 50

1 2 3 4 5 6 7 8 9 10

Number of Experimention

Conclusions and Future works Conclusions and Future works

Buffering technique will give results in lower packet

g q g p loss compared to the without buffering technique

This advantage may cost of additional application This advantage may cost of additional application

memory to act as a buffer

In the future work will performance test with In the future work will performance test with

actual THEOS data

Thank you

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