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Why Ka-band? Advantages and Disadvantages of Ka-Band Mobile Satellite Systems
25 May 2011
Why Ka-band? Advantages and Disadvantages of Ka-Band Mobile Satellite Systems

 

Led by:
Cobham

A number of major service providers have recently launched, or will soon be launching, services offering Ka-band communications via satellites.  These providers are putting forward Ka-band to replace Ku-band as the new preferred band for mobile satellite communications.  Ka-band offers more bandwidth and is currently less used than Ku-band and satellite operators claim to have achieved higher data rates at much lower price per bit using smaller ground terminals.  However, there are disadvantages comparing to lower frequency solutions: Ka-band systems are much more susceptible to weather conditions, terminal alignment is more of a challenge and the hardware is potentially more expensive.  This workshop will help the system designer and user to understand the benefits and shortcomings of Ka-band and whether it is the best solution for the application in hand.
 



Who should attend?

The workshop is aimed at everyone who is involved in installation and use of mobile satcom systems.  Attend and gain a broad understanding of all aspects of mobile satcom terminals and be much better placed to understand the application trade-offs.  This will help you make informed decisions regarding the selection of operating band and to understand what real world performance can be expected from such systems.
 


About your workshop leader:

Martin Shelley is currently Bid Manager in the Antenna & Electronic Systems Business Unit at Cobham Technical Services. He is responsible for the development of antennas for satellite communications on the move. His expertise covers an extensive range of technologies including most types of arrays, reflectors & low gain antennas, together with printed & wavelength power dividers. These skills have been applied to applications including spacecraft payloads, military systems & commercial wireless access systems.

Cobham is an international company engaged in the development, delivery and support of leading edge aerospace and defense technology and systems.
 
Cobham’s products and services have been at the heart of sophisticated military and civil systems for more than 75 years, keeping people safe, improving communications, and enhancing the capability of land, sea, air and space platforms.
 
The Company has four divisions employing more than 11,000 people on five continents, with customers and partners in more than 100 countries and annual revenue of some £1.9bn / US$3 billion.
 
Aviation pioneer Sir Alan Cobham founded the Company in 1934 as an air-to-air refuelling specialist and Cobham is still the world leader in this field. Through a combination or organic growth and the acquisition of more than 50 companies, the Group’s capabilities are now increasingly focused around C4ISR and safety and survival.
 
Its products and services have played pivotal roles in world events from the Berlin Airlift to the US and European space programmes, and relief efforts after Hurricane Katrina in 2005 and the Haiti earthquake in 2010.
 
Cobham’s tagline “The most important thing we build is trust” is reflected in the Company’s development – leveraging innovative technologies with exceptionally talented people. www.cobham.com

Cobham

 

Workshop agenda

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8:30

Registration & Coffee

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9:00

Ka-band Satellites

  • A look at the new generation of multi-beam Ka-band satellites, including locations, coverage and capabilities
  • clock

    9:45

    Ku- and Ka-band Satellite Link Analysis, Including:

  • Regulatory frameworks
  • Availability issues – Air and ground applications
  • Waveforms
  • clock

    10:45

    Networking Coffee Break

    clock

    11:00

    Review of Terminal Types, Including Currently Available Ku- and Ka-band Solutions

  • “On-the move” terminals for land, sea and aeronautical applications
  • “On-the-pause” land vehicle terminal
  • Suitcase terminals
  • clock

    12:00

    Technology Issues

  • Antennas, including key technical issues that influence the antenna technology, aperture size and shape
  • RF electronics, including thermal management
  • Alignment and pointing
  • clock

    13:00

    Questions and Answers

    clock

    13:30

    Close of Workshop

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