Cognitive Semantic Communication: A New Communication Paradigm for 6G

被引：4

作者：

Li, Yihao ^{[1
]}

Zhou, Fuhui ^{[1
]}

Yuan, Lu ^{[1
]}

Wu, Qihui ^{[1
]}

Al-Dhahir, Naofal ^{[2
]}

机构：

[1] Nanjing Univ Astronaut & Aeronaut, Nanjing, Peoples R China

[2] Univ Texas Dallas, Dallas, TX USA

来源：

IEEE COMMUNICATIONS MAGAZINE | 2025年 / 63卷 / 06期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

Semantics; Cognition; Decoding; Wireless communication; Knowledge graphs; Data mining; 6G mobile communication; Semantic communication; Receivers; Prototypes;

D O I：

10.1109/MCOM.005.2400366

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

With the commercialization of advanced modulation and coding techniques, the system capacity is gradually approaching the Shannon limit. Nevertheless, traditional communication based on the Shannon information theory is confronted with bottlenecks. Semantic communication (SemCom) is a highly promising paradigm for breaking bottlenecks. However, existing SemCom lacks flexibility, interpretability, and robustness. To overcome these deficiencies, cognitive SemComs exploit external knowledge to realize brain-like reasoning during semantic transmission, which improves spectrum efficiency and communication reliability. This article aims to survey the latest research results in this direction. Important implementation issues of cognitive SemCom are examined. Moreover, a software-defined radio testbed is built to demonstrate the feasibility of the cognitive SemCom prototype. Finally, to guide future research directions, key challenges and open issues are discussed.

引用

页码：122 / 129

页数：8

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