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The future wireless networks envision ultra-reliable communication with efficient use of the limited wireless channel resources. Closed-loop repetition protocols where retransmission of a packet is enabled using a feedback channel has been…

Information Theory · Computer Science 2017-10-03 Saeed R. Khosravirad , Harish Viswanathan

Hybrid-ARQ protocols have become common in many packet transmission systems due to their incorporation in various standards. Hybrid-ARQ combines the normal automatic repeat request (ARQ) method with error correction codes to increase…

Information Theory · Computer Science 2015-05-27 Mayur Agrawal , Zachary Chance , David J. Love , Venkataramanan Balakrishnan

The Space-Air-Ground-Sea integrated network calls for more robust and secure transmission techniques against jamming. In this paper, we propose a textual semantic transmission framework for robust transmission, which utilizes the advanced…

Computation and Language · Computer Science 2023-07-25 Shicong Liu , Zhen Gao , Gaojie Chen , Yu Su , Lu Peng

The sequence-to-sequence (Seq2Seq) model generates target words iteratively given the previously observed words during decoding process, which results in the loss of the holistic semantics in the target response and the complete semantic…

Computation and Language · Computer Science 2020-01-22 Yiru Wang , Pengda Si , Zeyang Lei , Guangxu Xun , Yujiu Yang

As three-dimensional acquisition technologies like LiDAR cameras advance, the need for efficient transmission of 3D point clouds is becoming increasingly important. In this paper, we present a novel semantic communication (SemCom) approach…

Emerging Technologies · Computer Science 2025-05-13 Shangzhuo Xie , Qianqian Yang , Yuyi Sun , Tianxiao Han , Zhaohui Yang , Zhiguo Shi

Despite Retrieval-Augmented Generation improving code completion, traditional retrieval methods struggle with information redundancy and a lack of diversity within limited context windows. To solve this, we propose a resource-optimized…

Software Engineering · Computer Science 2025-10-14 Xiaohan Chen , Zhongying Pan , Quan Feng , Yu Tian , Shuqun Yang , Mengru Wang , Lina Gong , Yuxia Geng , Piji Li , Xiang Chen

Motivated by surveillance applications with wireless cameras or drones, we consider the problem of image retrieval over a wireless channel. Conventional systems apply lossy compression on query images to reduce the data that must be…

Information Theory · Computer Science 2020-10-21 Mikolaj Jankowski , Deniz Gunduz , Krystian Mikolajczyk

We consider the problem of joint source and channel coding of structured data such as natural language over a noisy channel. The typical approach to this problem in both theory and practice involves performing source coding to first…

Information Theory · Computer Science 2018-02-21 Nariman Farsad , Milind Rao , Andrea Goldsmith

This paper studies the throughput performance of HARQ (hybrid automatic repeat request) protocols over block fading Gaussian channels. It proposes new protocols that use the available feedback bit(s) not only to request a retransmission,…

Information Theory · Computer Science 2016-11-17 Daniela Tuninetti

To extend the applications of polar codes within next-generation wireless communication systems, it is essential to incorporate support for Incremental Redundancy (IR) Hybrid Automatic Repeat Request (HARQ) schemes. For very high-throughput…

Signal Processing · Electrical Eng. & Systems 2026-05-28 Marwan Jalaleddine , Mohamad Ali Jarkas , Jiajie Li , Warren J. Gross

Code summarization and code search have been widely adopted in sofwaredevelopmentandmaintenance. However, fewstudieshave explored the efcacy of unifying them. In this paper, we propose TranS^3 , a transformer-based framework to integrate…

Software Engineering · Computer Science 2020-03-10 Wenhua Wang , Yuqun Zhang , Zhengran Zeng , Guandong Xu

Unmanned aerial vehicle (UAV) downlink transmission facilitates critical time-sensitive visual applications but is fundamentally constrained by bandwidth scarcity and dynamic channel impairments. The rapid fluctuation of the air-to-ground…

Information Theory · Computer Science 2026-02-12 Jijia Tian , Junting Chen , Pooi-Yuen Kam

This work presents the design and implementation of a real-time network coding system integrated into the IP layer of a 5G testbed, offering an alternative to conventional retransmission-based reliability mechanisms such as ARQ and HARQ.…

Networking and Internet Architecture · Computer Science 2025-08-15 Laura Landon , Vipindev Adat Vasudevan , Junmo Sung , Muriel Médard

In this paper, we explore a multi-task semantic communication (SemCom) system for distributed sources, extending the existing focus on collaborative single-task execution. We build on the cooperative multi-task processing introduced in [1],…

Signal Processing · Electrical Eng. & Systems 2025-06-11 Ahmad Halimi Razlighi , Maximilian H. V. Tillmann , Edgar Beck , Carsten Bockelmann , Armin Dekorsy

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…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Kaiyi Chi , Yinghui He , Qianqian Yang , Zhiping Jiang , Yuanchao Shu , Zhiqin Wang , Jun Luo , Jiming Chen

Task-Oriented Semantic Communication (TOSC) has been regarded as a promising communication framework, serving for various Artificial Intelligence (AI) task driven applications. The existing TOSC frameworks focus on extracting the full…

Signal Processing · Electrical Eng. & Systems 2024-07-17 Yuzhou Fu , Wenchi Cheng , Jingqing Wang , Liuguo Yin , Wei Zhang

In fact, the broadcast nature of every transmitter makes it possible for other transceivers in the channel to overhear the broadcasted signal. The proposed idea in cooperative communication is to use these intermediate transceivers as relay…

Signal Processing · Electrical Eng. & Systems 2024-09-25 Ali Mehrban

We propose deep learning based communication methods for adaptive-bandwidth transmission of images over wireless channels. We consider the scenario in which images are transmitted progressively in layers over time or frequency, and such…

Information Theory · Computer Science 2021-06-15 David Burth Kurka , Deniz Gündüz

Tokens are becoming the basic units through which foundation models represent and process information for understanding and inference. However, traditional wireless communication, centered on bit-level fidelity, faces a mismatch between…

Machine Learning · Computer Science 2026-05-22 Sige Liu , Kezhi Wang

Semantic communications (SemComs) have been considered as a promising solution to reduce the amount of transmitted information, thus paving the way for more energy-and spectrum-efficient wireless networks. Nevertheless, SemComs rely heavily…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Nikos G. Evgenidis , Sotiris A. Tegos , Panagiotis D. Diamantoulakis , Ioannis Krikidis , George K. Karagiannidis
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