Satellite End User Terminals

Development of

Satellite End User Terminals

an IMST initiative

DLR-Workshop “Satellitenkommunikation in Deutschland” March 27-28 2003 DLR Köln-Porz

D. Heberling, L. Baggen, S. HolzwarthIMST GmbH Kamp-Lintfort

Introduction

ü Overview of projects

ü Past projects: a short summary

ü Present projects: the current status

ü Future projects:a short outlook

Short overviewAntennas & RF components for satellites

1998-2001, K/Ka-Band

Antenna study on Sat-Com terminals

2000-2001, K/Ka-Band

Antenna study on mobile low-cost Sat-Com terminals

2001-2002, Ku-Band

Antennas for maritime terminals

1999-2002, L-Band

Antennas for aeronautical Sat-Com terminals

2001-2003, K/Ka-Band

Antennas for Sat-Com terminals

2001-2003, L-Band

KANSAS

ALCANT

FAKT

Astra

SANTANA

Ines

Past projects

Kansas

1998-2001Time frame

University of HannoverUniversity of Karlsruhe

Partners

K/Ka-bandOperating frequency

Investigation of concepts and components of active antenna systems for future satellite communication

systemsShort description

Kansas: Topics

MEMS

LTCC-Materials

1..n Beams

Distribution

Feeding networks

DigitalBeam

Forming

Past projects

Alcant

1999-2001Time frame

University of UlmUniversity of Karlsruhe

STN Atlas

Partners

L-bandOperating frequency

Development of an L-band electronically steerableactive antenna for maritime applications

Short description

Alcant: Topics

Past projects

FAKT

2000-2001Time frame

NonePartners

Ka-bandOperating frequency

Study of antenna front-end technology for Ka-band broadband multimedia terminals

Short description

FAKT: TopicsUser

classificationUser terminals

Portable

Fixed

Mobile

User scenarios

Past projects

Astra

2001-2002Time frame

ND-SatComDLR Oberpfaffenhofen

SES-AstraPartners

Ku-bandOperating frequency

Study of antenna front-end technology for low-cost Ku-band mobile terminals

Short description

Astra: Topics

Coverage of

Astrasatellite

Hybridsteerableantenna

Mobile use of end of

life satellites

Present projects

Ines

2002-2004Time frame

NeraPartners

L-bandOperating frequency

Development of an electronically steerable and automatically tracking antenna for multimedia

applications for future BGAN satellite communications

Short description

Ines: Topics

ü L-Band

ü BGUN satellite communication

ü circularly polarised, stacked patch elements

ü electronically steerable

ü for maritime or vehicular applications

Present projects

Santana

2001-2003Time frame

University of BraunschweigDLR Oberpfaffenhofen

Astrium

Partners

K/Ka-bandOperating frequency

Development of electronically steerable (DBF), bi-directional satellite terminal in Ka-Band for

broadband aeronautical applicationsShort description

Santana: Topics

ü Ka-Band

ü bi-directional broadband communication with satellite

ü for aeronautical applications

ü modular approach

ü circular polarisation

ü sequential rotation of elements

ü Digital Beam Forming

Future projects

Follow-up Santana

2003-2006Time frame

Realisation of a medium size prototype antenna front-end in Ka-Band for broadband aeronautical

applicationsShort description

Follow-up Astra

2003-2005Time frame

Realisation of a prototype of an antenna front-end for low-cost Ku-band mobile terminals

Short description