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Related papers: In-Context Source and Channel Coding

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Joint source-channel coding (JSCC) has achieved great success due to the introduction of deep learning (DL). Compared to traditional separate source-channel coding (SSCC) schemes, the advantages of DL-based JSCC (DJSCC) include high…

Cryptography and Security · Computer Science 2023-11-21 Jialong Xu , Bo Ai , Wei Chen , Ning Wang , Miguel Rodrigues

Pre-trained large language models (LLMs) based on Transformer have demonstrated striking in-context learning (ICL) abilities. With a few demonstration input-label pairs, they can predict the label for an unseen input without any parameter…

Machine Learning · Computer Science 2024-10-15 Xinhao Yao , Xiaolin Hu , Shenzhi Yang , Yong Liu

This paper finds new tight finite-blocklength bounds for the best achievable lossy joint source-channel code rate, and demonstrates that joint source-channel code design brings considerable performance advantage over a separate one in the…

Information Theory · Computer Science 2014-02-05 Victoria Kostina , Sergio Verdú

This paper introduces Implicit-JSCC, a novel overfitted joint source-channel coding paradigm that directly optimizes channel symbols and a lightweight neural decoder for each source. This instance-specific strategy eliminates the need for…

Image and Video Processing · Electrical Eng. & Systems 2025-12-25 Haotian Wu , Gen Li , Pier Luigi Dragotti , Deniz Gündüz

Joint source-channel coding (JSCC) is a promising paradigm for next-generation communication systems, particularly in challenging transmission environments. In this paper, we propose a novel standard-compatible JSCC framework for the…

Information Theory · Computer Science 2025-01-07 Xue Han , Yongpeng Wu , Zhen Gao , Biqian Feng , Yuxuan Shi , Deniz Gündüz , Wenjun Zhang

In-context learning (ICL) has emerged as an effective approach to enhance the performance of large language models (LLMs). However, its effectiveness varies significantly across models and tasks, posing challenges for practitioners to…

Computation and Language · Computer Science 2025-07-15 Dingzriui Wang , Xuanliang Zhang , Keyan Xu , Qingfu Zhu , Wanxiang Che , Yang Deng

To enable critical applications such as remote diagnostics, image classification must be guaranteed under bandwidth constraints and unreliable wireless channels through joint source and channel coding (JSCC) design. However, most existing…

Image and Video Processing · Electrical Eng. & Systems 2026-03-03 Wenchao Wu , Min Qiu , Yansha Deng , Jinhong Yuan

Supporting ultra-reliable and low-latency communication (URLLC) is a challenge in current wireless systems. Channel codes that generate large codewords improve reliability but necessitate the use of interleavers, which introduce undesirable…

Information Theory · Computer Science 2023-07-12 Sahar Allahkaram , Francisco A. Monteiro , Ioannis Chatzigeorgiou

This work proposes an iterative channel estimation, detection and decoding (ICEDD) scheme for the uplink of multi-user multi-antenna systems assisted by multiple reconfigurable intelligent surfaces (RIS)}. A novel iterative code-aided…

Information Theory · Computer Science 2025-12-30 Roberto C. G. Porto , Rodrigo C. de Lamare

Locally decodable channel codes form a special class of error-correcting codes with the property that the decoder is able to reconstruct any bit of the input message from querying only a few bits of a noisy codeword. It is well known that…

Information Theory · Computer Science 2013-08-28 Ali Makhdoumi , Shao-Lun Huang , Muriel Medard , Yury Polyanskiy

We study the collaborative image retrieval problem at the wireless edge, where multiple edge devices capture images of the same object from different angles and locations, which are then used jointly to retrieve similar images at the edge…

Image and Video Processing · Electrical Eng. & Systems 2023-02-14 Wing Fei Lo , Nitish Mital , Haotian Wu , Deniz Gündüz

Interactive encoding and decoding based on binary low-density parity-check codes with syndrome accumulation (SA-LDPC-IED) is proposed and investigated. Assume that the source alphabet is $\mathbf{GF}(2)$, and the side information alphabet…

Information Theory · Computer Science 2015-03-20 Jin Meng , En-Hui Yang

Diffusion language models (DLMs) have recently emerged as a strong alternative to autoregressive models by enabling parallel text generation. To improve inference efficiency and KV-cache compatibility, prior work commonly adopts block-based…

Computation and Language · Computer Science 2026-01-21 Yingte Shu , Yuchuan Tian , Chao Xu , Yunhe Wang , Hanting Chen

Recent advancements in large language models (LLMs) have revolutionized code intelligence by improving programming productivity and alleviating challenges faced by software developers. To further improve the performance of LLMs on specific…

Cryptography and Security · Computer Science 2024-10-07 Yifei Ge , Weisong Sun , Yihang Lou , Chunrong Fang , Yiran Zhang , Yiming Li , Xiaofang Zhang , Yang Liu , Zhihong Zhao , Zhenyu Chen

Transmission of a Gaussian source over a time-varying Gaussian channel is studied in the presence of time-varying correlated side information at the receiver. A block fading model is considered for both the channel and the side information,…

Information Theory · Computer Science 2015-05-27 Iñaki Estella Aguerri , Deniz Gündüz

Instantaneous or statistical channel state information (CSI) is needed for most detection schemes developed in the molecular communication (MC) literature. Since the MC channel changes, e.g., due to variations in the velocity of flow, the…

Information Theory · Computer Science 2017-05-09 Vahid Jamali , Arman Ahmadzadeh , Nariman Farsad , Robert Schober

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.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Chen Zhu , Kang Liang , Jianrong Bao , Zhouxiang Zhao , Zhaohui Yang , Zhaoyang Zhang , Mohammad Shikh-Bahaei

Coping with the impact of dynamic channels is a critical issue in joint source-channel coding (JSCC)-based semantic communication systems. In this paper, we propose a lightweight channel-adaptive semantic coding architecture called…

Information Theory · Computer Science 2025-01-10 Hongwei Zhang , Meixia Tao

Semantic communication has emerged as a promising paradigm for improving transmission efficiency and task-level reliability, yet most existing reliability-enhancement approaches rely on retransmission strategies driven by semantic fidelity…

Image and Video Processing · Electrical Eng. & Systems 2026-03-26 Boyuan Li , Shuoyao Wang , Suzhi Bi , Liping Qian , Yunlong Cai

We introduce a method for securely delivering a set of messages to a group of clients over a broadcast erasure channel where each client is interested in a distinct message. Each client is able to obtain its own message but not the others'.…

Information Theory · Computer Science 2013-05-08 Shahriar Etemadi Tajbakhsh , Parastoo Sadeghi , Rodney Kennedy
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