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Course overview

Modulation

Carrier modulation concepts and signal representation methods used in modern telecom systems.

20 lessonsIntermediate1 h
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Course lessons

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20 lessons
  1. 01Lesson 1What is Modulation? | Teleinf EduThe core concept of impressing information onto a high-frequency carrier wave.2 min read
  2. 02Lesson 2Amplitude Modulation (AM) | Teleinf EduVarying the amplitude of the carrier wave. Exploring DSB-WC, DSB-SC, and SSB.2 min read
  3. 03Lesson 3Frequency Modulation (FM) | Teleinf EduVarying the frequency of the carrier. Concepts of deviation and modulation index.2 min read
  4. 04Lesson 4Phase Modulation (PM) | Teleinf EduVarying the phase of the carrier wave and its relationship with FM.2 min read
  5. 05Lesson 5Amplitude-Shift Keying (ASK) | Teleinf EduDigital modulation by switching between discrete amplitude levels.2 min read
  6. 06Lesson 6Frequency-Shift Keying (FSK) | Teleinf EduDigital modulation by switching between discrete frequency levels.2 min read
  7. 07Lesson 7Phase-Shift Keying (PSK) | Teleinf EduThe general principle of digital modulation by shifting the phase of the carrier.2 min read
  8. 08Lesson 8Constellation Diagrams | Teleinf EduVisualizing digital modulation schemes in the I-Q plane.2 min read
  9. 09Lesson 9Binary Phase-Shift Keying (BPSK) | Teleinf EduThe simplest form of PSK, using two phases to encode 1 bit per symbol.2 min read
  10. 10Lesson 10Quadrature Phase-Shift Keying (QPSK) | Teleinf EduUsing four phases to encode 2 bits per symbol, doubling the data rate of BPSK.2 min read
  11. 11Lesson 11Offset QPSK (OQPSK) | Teleinf EduA variant of QPSK that reduces amplitude fluctuations, ideal for non-linear channels.2 min read
  12. 12Lesson 12Differential PSK (DPSK) | Teleinf EduEncoding information in the phase difference between symbols to simplify receivers.2 min read
  13. 13Lesson 13Dual-Polarization QPSK (DP-QPSK) | Teleinf EduDoubling spectral efficiency by transmitting two independent QPSK signals on orthogonal polarizations.2 min read
  14. 14Lesson 14M-ary Phase-Shift Keying (M-PSK) | Teleinf EduGeneralizing PSK to M phases to encode log2(M) bits per symbol.2 min read
  15. 15Lesson 15MSK and GMSK | Teleinf EduAdvanced, spectrally efficient FSK schemes like Minimum Shift Keying.2 min read
  16. 16Lesson 16Quadrature Amplitude Modulation (QAM) | Teleinf EduCombining ASK and PSK for high spectral efficiency (16-QAM, 64-QAM).2 min read
  17. 17Lesson 17Pulse Amplitude Modulation (PAM) | Teleinf EduModulating the amplitude of a pulse train, a key step in sampling.2 min read
  18. 18Lesson 18Pulse Width Modulation (PWM) | Teleinf EduEncoding information in the duration (width) of pulses.2 min read
  19. 19Lesson 19Pulse Position Modulation (PPM) | Teleinf EduEncoding information in the time position of pulses.2 min read
  20. 20Lesson 20Pulse Density Modulation (PDM) | Teleinf EduRepresenting an analog signal's amplitude via the density of pulses.2 min read

Course quizzes

Pass the assigned quiz to finish the course progress.

1
  1. 01QuizModulationPractice carrier modulation, digital keying, constellation diagrams, QAM, PSK variants, and pulse modulation.Premium