International Cooperative Experiments in Satellite Communications

1
International Cooperative Experiments in
Satellite Communications
Naoko Yoshimura
Communications Research Laboratory
2
International Cooperation in CRL (1)

• The international cooperative experiment which
  CRL has carried out
• Trans-Pacific HDR Satcom Exp.
• Phase 1 Remote HDV Post-Production
• Phase 2 Remote Astronomy, Digital Library
• Japan-Canada HDR Exp.
• Tele-medicine, Neuroscience
• Japan Europe Gamma Project
• HDTV application interoperability, DAVIC
  Video-on-Demand
• Exchange Earth Observation Data,
  terrestrial/Satellite Hybrid Internet
  Connectivity, Virtual Museum

3
International Cooperation in CRL (2)

• Post-PARTNERS
• Multimedia Communication, Tele-Education Tele-
  Medicine, Internet Access, Radio Propagation
• Japan-Korea HDR Satcom Exp.
• IPoA based interactive multimedia service, DV
  over IP multi-stream transmission, 3D HDV
  Transmission, Multi-Screen HDTV Transmission for
  Korea-Japan World Cup Soccer 2002

4
Japan-Canada Broadband Network Experiment
HDTV Conference
REMOTE WORKSHOP ON CARDIAC SURGERY
5
Trans-Pacific HDR Satcom Experiment-Phase1-
6
Trans-Pacific HDR Satcom Experiment -Phase1-

• Remote high definition video post-production
  experiment (45 Mbps) was successfully
  demonstrated between Tokyo and California via
  INTELSAT and ACTS on March 28, 1997.

7
Trans-Pacific HDR Satcom Experiment-Phase2-
8
Japanese Network Configuration -Phase2-
9
Application Demonstrations-Phase2-

• Remote Astronomy Demonstration
• Main Objectives
• To establish a remote astronomical observation
  system for distance learning and collaborative
  discussions.
• To demonstrate the effectiveness of modern
  broadband satellites using multicast
  applications.

10
Remote Astronomy Demonstration

11
Application Demonstrations-Phase2-

• Visible Human Demonstration
• Main Objectives
• Biomedical image collaboratory between Sapporo
  Medical University (Japan) and NLM (USA).
• Huge Database Sharing and Interactive Processing
• Visible Humans Datasets
• Male 15 GB, Female 40 GB
• Growing Database as The Anatomical Datasets.
• Centralised Repository and Managements
  Licensing, Updates...
• Proof of concept of a prototype system for
  interactive biomedical image segmentation,
  labelling, classification, indexing system.

12
Public Demonstration of Visible Human Access
Projected screen of retrieved image data from NLM
13
Development of next HDR satellite

• Gigabit Internet Test Satellite (working name)
  will be launched in 2005.

14
Future Plan (1)

• We hope to carry out international cooperative
  experiment program using Gigabit Internet Test
  Satellite.
• International supercomputer network
• High capacity data transmission
• Expansion from the domestic to the international
  experiment

15
Future Plan (2)

• GWU/IASR - CRL Cooperative Plan
• Geo Platform Study
• Antenna technology
• Satellite attitude and orbit control
• Multimedia data transmission
• Disaster Management
• Ka-band aeronautical-satellite communication
  system
• Ku-band helicopter-satellite communication system
• Ka-band wideband application transmission

16
Future Plan (3)

• Contribution to JPL - PDC Joint program
• Disaster management network effort
• Expansion to Asia-Pacific region
• CRL - CNES Joint Research in Space Communications
  
• Multimedia / UMTS / Optical Comm. / etc.
• (discussion just started)