introduction to sdr hardware -...
TRANSCRIPT
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Introduction to SDR Hardware
Paul Sutton
4th March 2014
ICTP School on Applications of Open Spectrum
and White Spaces Technologies
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Outline
• What is Software Radio?
• A Brief History
• Software Radio Today
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What is Software Radio?
• What is Software Radio?
• A Brief History
• Software Radio Today
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Simple Crystal Radio
What is Software Radio?
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What is Software Radio?
Superheterodyne Receiver
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What is Software Radio?
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What is Software Radio?
Source: http://electronicdesign.com/communications/elusive-software-defined-radio
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What is Software Radio?
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What is Software Radio?
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What is Software Radio?
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What is Software Radio?
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What is Software Radio?
Source: gnuradio.org/redmine/attachments/128/USRP_Documentation.odt
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What is Software Radio?
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A Brief History
• What is Software Radio?
• A Brief History
• Software Radio Today
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A Brief History
• First IEEE paper– Mitola, 1993
• IEEE Comms Magazine– May 1995
– Special Issue
– Mitola Guest Editor
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A Brief History
• Initial work on software radio was driven by military applications.
• The need for interoperability between a variety of different communication technologies.
• SPEAKeasy• JTRS
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A Brief History
• On the commercial side, significant initial work was done by the SpectrumWare research group at MIT.
• Commercialized by Vanu Inc.
• Demonstrated GSM basestations powered by Xeon processors in 2003.
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A Brief History
Since then....
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A Brief History
Since then....
• A vast amount of research
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A Brief History
Since then....
• A wide range of RF front-ends
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A Brief History
Since then....
• Some advanced projects
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Software Radio Today
• What is Software Radio?
• A Brief History
• Software Radio Today
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Software Radio Today
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Software Radio Today
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Software Radio Today
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Software Radio Today
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Software Radio Today
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Software Radio Today
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Software Radio Today
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Software Radio Today
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Thanks for your attentionThanks for your attention
Questions?