14 papers
Dual-Branch Vector-Quantization-Aided Satellite Digital Semantic Communication with Index Compression for High-Resolution RSI Over AFDM
Jianqiao Chen, Nan Ma, Xiaodong Xu +7
High-resolution remote sensing imagery (RSI) transmission is constrained by satellite-ground bandwidth and channel impairments, yet existing methods struggle to simultaneously achi…
Adaptive Source-Channel Coding for Bi-static Integrated Sensing and Semantic Communications
Haotian Wang, Dan Wang, Xiaodong Xu +4
Semantic communication (SemCom) has emerged as a new paradigm to facilitate the performance of integrated sensing and communication systems in 6G, due to its potential to enhance t…
Restoration Flow Matching-Based Channel Refinement and Equalization Correction for MIMO Semantic Communications
Wenkai Liu, Nan Ma, Jianqiao Chen +3
In multiple-input multiple-output (MIMO) semantic communication, imperfect channel state information (CSI) and equalization mismatch can seriously degrade semantic reconstruction q…
LLM-Empowered Multimodal Fusion Framework for Autonomous Driving: Semantic Enhancement and Channel-Adaptive Design
Wen Wang, Yaping Sun, Yejun He +5
Vision-radar fusion is central to robust autonomous driving, combining dense visual semantics with precise range and velocity measurements from radar. However, real-world fusion qu…
SA-RA-JSCC: SNR-Adaptive and Semantic-Rate-Aware Joint Source-Channel Coding
Shitong Zhang, Yaping Sun, Hao Chen +4
In joint source-channel coding (JSCC)-based semantic communication systems, achieving stable and reliable image semantic transmission under channel constraints remains a key challe…
STCC: A Unified Source-Channel Semantic Token Coding Framework for Semantic Communications
Zhicheng Bao, Chen Dong, Sen Wang +6
Deep Joint Source-Channel Coding (JSCC) has emerged as a promising paradigm for overcoming the ``cliff effect" in wireless communications. However, existing Deep JSCC frameworks op…
Generative Channel Knowledge Base With Environmental Information for Joint Source-Channel Coding in Semantic Communications
Xudong Long, Hao Chen, Dan Wang +4
Semantic knowledge bases are regarded as a promising technology for upcoming 6G communications. However, existing studies mainly focus on source-side semantic modeling while overlo…
Unlocking High-Fidelity Analog Joint Source-Channel Coding on Standard Digital Transceivers
Shumin Yao, Hao Chen, Yaping Sun +4
Analog joint source-channel coding (JSCC) has demonstrated superior performance for semantic communications through graceful degradation across channel conditions. However, a funda…
VQ-DSC-R: Robust Vector Quantized-Enabled Digital Semantic Communication With OFDM Transmission
Jianqiao Chen, Nan Ma, Xiaodong Xu +6
Digital mapping of semantic features is essential for achieving interoperability between semantic communication and practical digital infrastructure. However, current research effo…
Zero-Shot Knowledge Base Resizing for Rate-Adaptive Digital Semantic Communication
Shumin Yao, Hui Du, Lifeng Xie +4
Digital semantic communication systems, which often leverage the Vector Quantized Variational Autoencoder (VQ-VAE) framework, are pivotal for future wireless networks. In a VQ-VAE-…
Integrated Sensing and Semantic Communication with Adaptive Source-Channel Coding
Haotian Wang, Dan Wang, Xiaodong Xu +3
Semantic communication has emerged as a new paradigm to facilitate the performance of integrated sensing and communication systems in 6G. However, most of the existing works mainly…
Secure Intellicise Wireless Network: Agentic AI for Coverless Semantic Steganography Communication
Rui Meng, Song Gao, Bingxuan Xu +6
Semantic Communication (SemCom), leveraging its significant advantages in transmission efficiency and reliability, has emerged as a core technology for constructing future intellic…
VQ-VAE Based Digital Semantic Communication with Importance-Aware OFDM Transmission
Ming Lyu, Hao Chen, Dan Wang +4
Semantic communication (SemCom) significantly reduces redundant data and improves transmission efficiency by extracting the latent features of information. However, most of the con…
VQ-DeepISC: Vector Quantized-Enabled Digital Semantic Communication with Channel Adaptive Image Transmission
Jianqiao Chen, Tingting Zhu, Huishi Song +2
Discretization of semantic features enables interoperability between semantic and digital communication systems, showing significant potential for practical applications. The funda…