Chapter 17: The Interference Channel

Learning Objectives

• Model the two-user interference channel and identify the strong, very strong, and weak interference regimes
• Derive the Han-Kobayashi achievable rate region using rate-splitting and partial interference decoding
• Prove that treating interference as noise (TIN) is optimal in the noisy interference regime
• Define degrees of freedom (DoF) and explain the interference alignment concept for the $K$-user IC
• Assess when interference alignment is practical and when TIN dominates in real-world systems