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Definition Edit

A software-defined radio (SDR) is

[a] radiocommunication system which uses software for the modulation and demodulation of radio signals.[1]
a radio implemented on DSPs with functions defined by software, which can be downloaded as needed. Such radios can use many types of modulations.[2]

Overview Edit

"The current state of the art for supporting multiple radios is by using software-defined radios (SDRs). SDRs use a software-based configuration to program the RF hardware (using a system-on-chip, or SoC) for different waveforms and different media access control (MAC)."[3]

References Edit

  1. ITU, ICT Regulatory Toolkit, Glossary, at 12 (full-text).
  2. The Evolution of Untethered Communications, at 188.
  3. Research Roadmap for Smart Fire Fighting, at 30.

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