Semantic Communication: Generative Models and User-Centric Adaptations

The recent advancements in semantic communication systems have significantly enhanced the efficiency and reliability of data transmission by focusing on conveying meaning rather than just symbols. A notable trend is the integration of generative models, such as diffusion-based and large generative models, which enable more efficient and privacy-preserving multicasting and talking-face video communication. These models allow for the decomposition and synthesis of semantic information based on user intent and context, optimizing resource allocation and improving perceptual quality. Additionally, the incorporation of reinforcement learning and human-in-the-loop approaches is being leveraged to dynamically adapt semantic models and optimize configurations, ensuring robust error detection and correction mechanisms. Security enhancements, particularly through the use of intelligent reflective surfaces and novel semantic security metrics, are also emerging as critical components in safeguarding semantic privacy. Furthermore, user-centric approaches are being developed to tailor semantic extraction to individual user requirements, ensuring that transmitted information is relevant and meaningful. Overall, these developments are pushing the boundaries of semantic communication, making it more adaptive, secure, and user-focused.

Sources

Building the Self-Improvement Loop: Error Detection and Correction in Goal-Oriented Semantic Communications

IRS-Enhanced Secure Semantic Communication Networks: Cross-Layer and Context-Awared Resource Allocation

Diffusion-based Generative Multicasting with Intent-aware Semantic Decomposition

Goal-Oriented Semantic Communication for Wireless Visual Question Answering with Scene Graphs

User Centric Semantic Communications

Large Generative Model-assisted Talking-face Semantic Communication System

Learned codes for broadcast channels with feedback

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