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Joint source-channel coding (JSCC) is an effective approach for semantic communication. However, current JSCC methods are difficult to integrate with existing communication network architectures, where application and network providers are…

信息论 · 计算机科学 2025-07-18 Wenzheng Kong , Wenyi Zhang

We consider the problem of joint source-channel coding for semantic communication from a rateless perspective, the purpose of which is to settle the balance between reliability (distortion/perception) and effectiveness (rate) of…

信息检索 · 计算机科学 2025-01-23 Cheng Peng , Rulong Wang , Yong Xiao

Recent research on joint source channel coding (JSCC) for wireless communications has achieved great success owing to the employment of deep learning (DL). However, the existing work on DL based JSCC usually trains the designed network to…

信息论 · 计算机科学 2022-04-13 Jialong Xu , Bo Ai , Wei Chen , Ang Yang , Peng Sun , Miguel Rodrigues

Semantic communication, when examined through the lens of joint source-channel coding (JSCC), maps source messages directly into channel input symbols, where the measure of success is defined by end-to-end distortion rather than traditional…

信息论 · 计算机科学 2024-07-09 Tze-Yang Tung , Homa Esfahanizadeh , Jinfeng Du , Harish Viswanathan

Semantic communications is considered as a promising technology to increase the efficiency of next-generation communication systems, particularly targeting human-machine and machine-type communications. In contrast to the source-agnostic…

信息论 · 计算机科学 2023-07-20 Jialong Xu , Tze-Yang Tung , Bo Ai , Wei Chen , Yuxuan Sun , Deniz Gunduz

Cross-technology communication (CTC) is a promising technique that enables direct communications among incompatible wireless technologies without needing hardware modification. However, it has not been widely adopted in real-world…

信息论 · 计算机科学 2024-02-16 Shumin Yao , Xiaodong Xu , Hao Chen , Yaping Sun , Qinglin Zhao

This paper presents a novel deep joint source-channel coding (DeepJSCC) scheme for image transmission over a half-duplex cooperative relay channel. Specifically, we apply DeepJSCC to two basic modes of cooperative communications, namely…

信息论 · 计算机科学 2024-03-20 Chenghong Bian , Yulin Shao , Haotian Wu , Deniz Gunduz

Deep learning-based joint source-channel coding (DeepJSCC) has emerged as a promising technique in 6G for enhancing the efficiency and reliability of data transmission across diverse modalities, particularly in low signal-to-noise ratio…

信号处理 · 电气工程与系统科学 2025-09-09 Kaiyi Chi , Yinghui He , Qianqian Yang , Zhiping Jiang , Yuanchao Shu , Zhiqin Wang , Jun Luo , Jiming Chen

We present a deep learning based joint source channel coding (JSCC) scheme for wireless image transmission over multipath fading channels with non-linear signal clipping. The proposed encoder and decoder use convolutional neural networks…

信号处理 · 电气工程与系统科学 2021-05-25 Mingyu Yang , Chenghong Bian , Hun-Seok Kim

We consider low-latency image transmission over a noisy wireless channel when correlated side information is present only at the receiver side (the Wyner-Ziv scenario). In particular, we are interested in developing practical schemes using…

计算机视觉与模式识别 · 计算机科学 2024-02-28 Selim F. Yilmaz , Ezgi Ozyilkan , Deniz Gunduz , Elza Erkip

Integrated Sensing and Communication (ISAC) systems have garnered significant attention due to their capability to simultaneously achieve efficient communication and environmental sensing. A core objective in this field is characterizing…

信息论 · 计算机科学 2026-01-16 Gefei Peng , Youlong Wu

We present a novel adaptive deep joint source-channel coding (JSCC) scheme for wireless image transmission. The proposed scheme supports multiple rates using a single deep neural network (DNN) model and learns to dynamically control the…

信号处理 · 电气工程与系统科学 2021-10-12 Mingyu Yang , Hun-Seok Kim

Generative joint source-channel coding (GJSCC) has emerged as a new Deep JSCC paradigm for achieving high-fidelity and robust image transmission under extreme wireless channel conditions, such as ultra-low bandwidth and low signal-to-noise…

图像与视频处理 · 电气工程与系统科学 2026-01-07 Kailin Tan , Jincheng Dai , Sixian Wang , Guo Lu , Shuo Shao , Kai Niu , Wenjun Zhang , Ping Zhang

The advent of 6G networks demands unprecedented levels of intelligence, adaptability, and efficiency to address challenges such as ultra-high-speed data transmission, ultra-low latency, and massive connectivity in dynamic environments.…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Chen Zhu , Kang Liang , Jianrong Bao , Zhouxiang Zhao , Zhaohui Yang , Zhaoyang Zhang , Mohammad Shikh-Bahaei

Modern Earth Observation (EO) systems increasingly rely on high-resolution imagery to support critical applications such as environmental monitoring, disaster response, and land-use analysis. Although these applications benefit from…

The increased throughput brought by MIMO technology relies on the knowledge of channel state information (CSI) acquired in the base station (BS). To make the CSI feedback overhead affordable for the evolution of MIMO technology (e.g.,…

信息论 · 计算机科学 2022-04-08 Jialong Xu , Bo Ai , Ning Wang , Wei Chen

We propose novel deep joint source-channel coding (DeepJSCC) algorithms for wireless image transmission over multi-input multi-output (MIMO) Rayleigh fading channels, when channel state information (CSI) is available only at the receiver.…

信号处理 · 电气工程与系统科学 2023-06-22 Chenghong Bian , Yulin Shao , Haotian Wu , Deniz Gunduz

We propose a novel hybrid joint source-channel coding (JSCC) scheme for robust image transmission over multi-hop networks. In the considered scenario, a mobile user wants to deliver an image to its destination over a mobile cellular…

信号处理 · 电气工程与系统科学 2024-02-09 Chenghong Bian , Yulin Shao , Deniz Gunduz

Semantic communication is proposed and expected to improve the efficiency of massive data transmission over sixth generation (6G) networks. However, existing image semantic communication schemes are primarily focused on optimizing…

多媒体 · 计算机科学 2025-06-09 Zehao Chen , Xinfeng Wei , Haonan Tong , Zhaohui Yang , Changchuan Yin

End-to-end image transmission has recently become a crucial trend in intelligent wireless communications, driven by the increasing demand for high bandwidth efficiency. However, existing methods primarily optimize the trade-off between…

图像与视频处理 · 电气工程与系统科学 2024-08-27 Kailin Tan , Jincheng Dai , Zhenyu Liu , Sixian Wang , Xiaoqi Qin , Wenjun Xu , Kai Niu , Ping Zhang