Digital and Analog Communication Systems by K. Sam Shanmugam is actually a classic, highly regarded textbook rather than a single research paper.

Week 5 — Digital modulation & detection

Do you need or solutions based on the Shanmugam curriculum?

How much "space" in the frequency spectrum does the signal occupy? Equipment Complexity: How expensive or difficult is it to build the hardware? The text teaches you how to derive design equations

: If you need the companion materials, academic profiles often host the Solutions Manual on ResearchGate for study purposes.

The book is structured to provide a logical progression of topics, ensuring that the reader builds a strong theoretical foundation before diving into system design.

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