Low Earth Orbiting Satellites – Opportunities and Challenges
Low-Earth orbiting (LEO) satellites are now providing broadband service to users around the world. But they face space congestion problems. Some satellites must steer around each other to avoid collisions. In addition, the LEO satellites must share radio spectrum with geosynchronous Earth-orbiting (GEO) satellites and, more interestingly, with each other.
This presentation will touch on collision avoidance but will focus on beam steering and other ways that these satellites can efficiently share spectrum with each other. There are a variety of ways they can do this. Some require information sharing, but others do not. Our work at Carnegie Mellon is examining the effectiveness of various spectrum sharing methods.
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- University of Victoria
- Victoria, British Columbia
- Canada V8P 5C2
- Building: ECS
- Room Number: 660
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- Co-sponsored by Lin Cai
Speakers
Biography:
Dr. Alex Hills is Distinguished Service Professor of Engineering & Public Policy at Carnegie Mellon University and an IEEE Fellow. At Carnegie Mellon Alex conceived and built the world’s first big Wi-Fi network. In Alaska he worked in the 1970s and 1980s to use satellite technology to deliver telecommunication services to small villages across the big state.
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