GenAI and LLMs for Source and Channel Coding in B5G Networks

Publication Date

10-29-2025

Document Type

Contribution to a Book

Publication Title

Genai and Llms for Beyond 5g Networks

DOI

10.1007/978-3-032-06418-9_9

First Page

197

Last Page

216

Abstract

The evolution of Beyond 5G (B5G) networks demands communication systems that are ultrareliable, low latency, and capable of handling diverse, data-intensive applications. Traditional source and channel coding methods, following Shannon’s separation principle, often fall short in dynamic and heterogeneous wireless environments. This chapter reviews the foundational principles of source and channel coding, highlighting key theoretical insights, and then delves into recent advances in deep learning, Generative AI (GenAI), and Large Language Model (LLM)-based joint source-channel coding techniques. Emphasizing semantic and task-oriented communication, these emerging approaches offer promising solutions for more intelligent, adaptable, and efficient transmission strategies tailored to the new requirements of B5G networks.

Keywords

Additive White Gaussian Noise (AWGN), Beyond 5G (B5G) wireless, Channel Capacity, Entropy, Fading, Generative AI (GenAI), Information Theory, Joint source-channel coding (JSCC), Large Language Model (LLM), Memoryless, Mutual information

Department

Computer Science

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