Other
Scientific paper
Jan 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002iaf..confe.277p&link_type=abstract
IAF abstracts, 34th COSPAR Scientific Assembly, The Second World Space Congress, held 10-19 October, 2002 in Houston, TX, USA.,
Other
Scientific paper
Satellite communications technologies have been gradually improving for over 35 years. Quality and reliability of equipment and services increased dramatically from the 1960s until the early 1980s. In the last 20 years improvements have been progressing steadily but in less dramatic fashion. This paper addresses three new satellite technologies that may be able to rekindle the very rapid prior growth pattern and achieve dramatic new systems economies in the 2010 to 2020 time period. The future could thus see the extension of conventional satellite technologies that produces a scenario in which satellite economics may become progressively less competitive with alternative telecommunications systems. On the other hand the authors explore three possible new technologies that produce alternative economic scenarios for the future. These are: 1) a tethered geo platform network, 2) advanced peizo-electric shaped antennas on a geo platform system, and 3) a geo platform that is constituted by a swarm of nanosatellites. Each of these systems requires significant new research and development. Which of these, if any, will form part of the successful satellite communications designs in the future is unclear at present. Each alternative, however, promises progressive economic cost reductions that could make future satellite networks highly competitive for a variety of broadband services and, potentially, even with some fiber optic transmissions. This paper outlines the technology needed for future competitiveness in such satellite systems, and creates an economic model that analyzes the potential viability and profitability of each system. Further analysis examines the overall business cases. These also test the sensitivity of these systems to more reliable and less costly new launch systems that, if available, would both accelerate the deployment of new satellite communications technologies as well as decrease the cost of all satellite systems.
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