Software Defined Radio (SDR) By Deepak Lodha
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▶ Why SDR ? ▶ Evaluation of SDR technology ▶ Application or Uses ▶ Basic diagram/component of SDR ▶ SDR software as well as Android application ▶ A practical view with SDR Set-Top Box( Receiver )
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Software Defined Radio (SDR) By Deepak Lodha
- 1. MADHAV INSTITUTE OF TECHNOLOGY AND SCIENCE GWALIOR ( M.P.) ( SOFTWARE DEFINED RADIO ) DEEPAK LODHA 0901ET181019 B.TECH | ET | MITS | GWL .
- 2. CONTENT: ▶ Why SDR ? ▶ Evaluation of SDR technology ▶ Application or Uses ▶ Basic diagram/component of SDR ▶ SDR software as well as Android application ▶ A practical view with SDR Set-Top Box( Receiver ) DEEPAK LODHA 0901ET181019 B.TECH | ET | MITS | GWL
- 3. ▪What is software defined radio? • Radio communication system which uses software for the 1st modulation and demodulation of radio signals • wireless communications devices • Wireless around 1890 • More complexity and vulnerability • Joseph Mitola President Yang met with DR. Mitola DEEPAK LODHA 0901ET181019 B.TECH | ET | MITS | GWL
- 4. ▪ SDR uses or Application ✔ Mobile communications ✔ Military ( speakeasy ) ✔ Research & development ✔ Requires both hardware and software skills . ✔ Basic platform may be too expensive ✔ Converters limit top frequencies ▪ Disadvantage DEEPAK LODHA 0901ET181019 B.TECH | ET | MITS | GWL
- 5. ▪ Basic diagram and some components »Radio Node » Software » Physical Layer » Data Link Layer » Transmitter » Receiver DEEPAK LODHA 0901ET181019 B.TECH | ET | MITS | GWL
- 6. DEEPAK LODHA 0901ET181019 B.TECH | ET | MITS | GWL ▪ SDR software and android application • The Software Radio (1980-1985) • National Instruments – LabVIEW (1986 - present) • US Military – SPEAK easy I (1992-1995) • Massachusetts Institute of Technology – Spectrum Ware (1994-1999) • US Military – SPEAK easy II (1995-1997) • Microsoft – SORA (2009 - present) • Karlsruhe Institute of Technology – MATLAB / Simulink/ USRP (2009) • MathWorks – MATLAB / Simulink / USRP (2011 - present)
- 7. DEEPAK LODHA 0901ET181019 B.TECH | ET | MITS | GWL ▪ Android mobile application for SDR . ⁕Range fluctuate b/w 50Mhz- 2Ghz ⁕ AM,FM,DBV-Arial, SSB….etc depend hardware ⁕ Capture live frequencies ⁕ May be illegal in some country
- 8. DEEPAK LODHA 0901ET181019 B.TECH | ET | MITS | GWL