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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

Achievability and converse results for the lossy transmission of correlated sources over Shannon's two-way channels (TWCs) are presented. A joint source-channel coding theorem for independent sources and TWCs for which adaptation cannot…

信息论 · 计算机科学 2018-05-08 Jian-Jia Weng , Fady Alajaji , Tamás Linder

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

The design of zero-delay Joint Source-Channel Coding (JSCC) schemes for the transmission of correlated information over fading Multiple Access Channels (MACs) is an interesting problem for many communication scenarios like Wireless Sensor…

信息论 · 计算机科学 2024-01-31 O. Fresnedo , P. Suárez-Casal , L. Castedo

Deep learning driven joint source-channel coding (JSCC) for wireless image or video transmission, also called DeepJSCC, has been a topic of interest recently with very promising results. The idea is to map similar source samples to nearby…

密码学与安全 · 计算机科学 2022-09-01 Tze-Yang Tung , Deniz Gunduz

Joint source-channel coding (JSCC) offers a promising avenue for enhancing transmission efficiency by jointly incorporating source and channel statistics into the system design. A key advancement in this area is the deep joint source and…

信息论 · 计算机科学 2025-07-22 Maojun Zhang , Haotian Wu , Guangxu Zhu , Richeng Jin , Xiaoming Chen , Deniz Gündüz

From the perspective of joint source-channel coding (JSCC), there has been significant research on utilizing semantic communication, which inherently possesses analog characteristics, within digital device environments. However, a…

信号处理 · 电气工程与系统科学 2025-02-04 Yoon Huh , Hyowoon Seo , Wan Choi

We consider the problem of distributed joint source-channel coding of correlated Gaussian sources over a Gaussian Multiple Access Channel (GMAC). There may be side information at the decoder and/or at the encoders. First we specialize a…

信息论 · 计算机科学 2009-05-15 R Rajesh , Vinod Sharma

We study the joint source channel coding problem of transmitting an analog source over a Gaussian channel in two cases - (i) the presence of interference known only to the transmitter and (ii) in the presence of side information known only…

信息论 · 计算机科学 2016-09-08 Makesh Pravin Wilson , Krishna Narayanan , Giuseppe Caire

Deep Joint Source-Channel Coding (Deep-JSCC) has emerged as a promising semantic communication approach for wireless image transmission by jointly optimizing source and channel coding using deep learning techniques. However, traditional…

网络与互联网体系结构 · 计算机科学 2025-07-29 Avi Deb Raha , Apurba Adhikary , Mrityunjoy Gain , Yumin Park , Walid Saad , Choong Seon Hong

Semantic communications (SemComs) have emerged as a promising paradigm for joint data and task-oriented transmissions, combining the demands for both the bit-accurate delivery and end-to-end (E2E) distortion minimization. However, current…

信息论 · 计算机科学 2025-08-12 Dongxu Li , Kai Yuan , Jianhao Huang , Chuan Huang , Xiaoqi Qin , Shuguang Cui , Ping Zhang

We consider the problem of transmission of several distributed correlated sources over a multiple access channel (MAC) with side information at the sources and the decoder. Source-channel separation does not hold for this channel.…

信息论 · 计算机科学 2016-11-15 R. Rajesh , Vinod Sharma , V. K. Varshenya

Conventional communication systems, including both separation-based coding and AI-driven joint source-channel coding (JSCC), are largely guided by Shannon's rate-distortion theory. However, relying on generic distortion metrics fails to…

信息论 · 计算机科学 2026-01-21 Tong Wu , Zhiyong Chen , Guo Lu , Li Song , Feng Yang , Meixia Tao , Wenjun Zhang

This work is concerned with robust distributed multi-view image transmission over a severe fading channel with imperfect channel state information (CSI), wherein the sources are slightly correlated. Since the signals are further distorted…

信号处理 · 电气工程与系统科学 2026-04-15 Biao Dong , Bin Cao , Guan Gui , Qinyu Zhang

Recent works have shown that joint source-channel coding (JSCC) schemes using deep neural networks (DNNs), called DeepJSCC, provide promising results in wireless image transmission. However, these methods mostly focus on the distortion of…

图像与视频处理 · 电气工程与系统科学 2022-11-28 Ecenaz Erdemir , Tze-Yang Tung , Pier Luigi Dragotti , Deniz Gunduz

Recent studies in joint source-channel coding (JSCC) have fostered a fresh paradigm in end-to-end semantic communication. Despite notable performance achievements, present initiatives in building semantic communication systems primarily…

信号处理 · 电气工程与系统科学 2024-12-20 Guangyi Zhang , Pujing Yang , Yunlong Cai , Qiyu Hu , Guanding Yu

A general lossless joint source-channel coding (JSCC) scheme based on linear codes and random interleavers for multiple-access channels (MACs) is presented and then analyzed in this paper. By the information-spectrum approach and the…

信息论 · 计算机科学 2009-03-31 Shengtian Yang , Yan Chen , Peiliang Qiu

Deep learning-based joint source-channel coding (DJSCC) is expected to be a key technique for {the} next-generation wireless networks. However, the existing DJSCC schemes still face the challenge of channel adaptability as they are…

信息论 · 计算机科学 2024-01-23 Songjie Xie , Hengtao He , Hongru Li , Shenghui Song , Jun Zhang , Ying-Jun Angela Zhang , Khaled B. Letaief

As one novel approach to realize end-to-end wireless image semantic transmission, deep learning-based joint source-channel coding (deep JSCC) method is emerging in both deep learning and communication communities. However, current deep JSCC…

计算机视觉与模式识别 · 计算机科学 2022-05-27 Jun Wang , Sixian Wang , Jincheng Dai , Zhongwei Si , Dekun Zhou , Kai Niu

Efficient data transmission across mobile multi-hop networks that connect edge devices to core servers presents significant challenges, particularly due to the variability in link qualities between wireless and wired segments. This…

信号处理 · 电气工程与系统科学 2025-01-28 Chenghong Bian , Yulin Shao , Deniz Gündüz