Amplitude modulation (AM) is the oldest method of transmitting ... by the analog audio signal.

As the name suggests, with Amplitude Shift Keying the amplitude ... LoRa is a form of “chirp spread spectrum” modulation. The “chirp” signal sweeps smoothly across specific frequency ...

Amplitude modulation in the frequency domain. Heron2 [CC BY-SA 3.0], via Wikimedia Commons. Looking at the two graphs depicting the AM signal, we can start to appreciate some of the system’s flaws.

MagnaCom is challenging the 40-year dominance of QAM (Quadrature Amplitude Modulation) as the modulation of choice ... requiring no analog or mixed-signal re-design. WAM technology is scalable, and ...