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This paper proposes a hybrid beamforming framework for massive multiple-input multiple-output (MIMO) in near-space airship-borne communications. To achieve high energy efficiency (EE) in energy-constraint airships, a dynamic subarray…

信息论 · 计算机科学 2026-02-10 Ruiqi Wang , Zhen Gao , Keke Ying , Ziwei Wan , Symeon Chatzinotas , Mohamed-Slim Alouini

This paper introduces a vision transformer (ViT)-based deep joint source and channel coding (DeepJSCC) scheme for wireless image transmission over multiple-input multiple-output (MIMO) channels, denoted as DeepJSCC-MIMO. We consider…

信息论 · 计算机科学 2024-07-16 Haotian Wu , Yulin Shao , Chenghong Bian , Krystian Mikolajczyk , Deniz Gündüz

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

Multi-agent systems (MAS) are a promising solution for autonomous exploration tasks in hazardous or remote environments, such as planetary surveys. In such settings, communication among agents is essential to ensure collaborative task…

信号处理 · 电气工程与系统科学 2025-10-21 Maximilian H. V. Tillmann , Ban-Sok Shin , Dmitriy Shutin , Armin Dekorsy

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…

信息论 · 计算机科学 2025-01-07 Xue Han , Yongpeng Wu , Zhen Gao , Biqian Feng , Yuxuan Shi , Deniz Gündüz , Wenjun Zhang

Unmanned Aerial Vehicles (UAVs) have emerged as a key enabler technology for data collection from Internet of Things (IoT) devices. However, effective data collection is challenged by resource constraints and the need for real-time…

机器人学 · 计算机科学 2026-05-12 Assane Sankara , Daniel Bonilla Licea , Hajar El Hammouti

This paper focuses on advancing outdoor wireless systems to better support ubiquitous extended reality (XR) applications, and close the gap with current indoor wireless transmission capabilities. We propose a hybrid knowledge-data driven…

信号处理 · 电气工程与系统科学 2023-07-24 Zhen Gao , Shicong Liu , Yu Su , Zhongxiang Li , Dezhi Zheng

Joint communications and sensing (JCAS) is envisioned as a key feature in future wireless communications networks. In massive MIMO-JCAS systems, hybrid beamforming (HBF) is typically employed to achieve satisfactory beamforming gains with…

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

Semantic communications (SCs) aim to transmit only the essential information required to perform given tasks, thereby improving communication efficiency. Deep learning-based joint source-channel coding (deep JSCC) has emerged as a promising…

信号处理 · 电气工程与系统科学 2026-04-07 Eunhye Hong , Taewoo Park , Yongjune Kim

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 focus on sensing data compression to reduce the subsequent…

信号处理 · 电气工程与系统科学 2026-01-21 Haotian Wang , Dan Wang , Xiaodong Xu , Chuan Huang , Hao Chen , Nan Ma

In this paper, we propose a novel semantic-aided image communication framework for supporting the compatibility with practical separation-based coding architectures. Particularly, the deep learning (DL)-based joint source-channel coding…

信息论 · 计算机科学 2025-05-01 Mingkai Xu , Yongpeng Wu , Yuxuan Shi , Xiang-Gen Xia , Merouane Debbah , Wenjun Zhang , Ping Zhang

Semantic communication is an increasingly popular framework for wireless image transmission due to its high communication efficiency. With the aid of the joint-source-and-channel (JSC) encoder implemented by neural network, semantic…

信息论 · 计算机科学 2022-12-02 Maojun Zhang , Yang Li , Zezhong Zhang , Guangxu Zhu , Caijun Zhong

With the recent advancements in edge artificial intelligence (AI), future sixth-generation (6G) networks need to support new AI tasks such as classification and clustering apart from data recovery. Motivated by the success of deep learning,…

网络与互联网体系结构 · 计算机科学 2023-04-06 Zhonghao Lyu , Guangxu Zhu , Jie Xu , Bo Ai , Shuguang Cui

The evolution of fifth generation (5G) wireless communication networks has led to an increased need for wireless resource management solutions that provide higher data rates, wide coverage, low latency, and power efficiency. Yet, many of…

信息论 · 计算机科学 2024-06-13 Cemil Vahapoglu , Timothy J. O'Shea , Tamoghna Roy , Sennur Ulukus

Cellular-connected unmanned aerial vehicles (UAVs) represent a promising technology for extending the coverage of 5G and 6G networks in a cost-effective manner. Additionally, Massive multiple-input multiple-output (MIMO) serves as an…

信号处理 · 电气工程与系统科学 2024-01-01 Byunghyun Lee , Andrew Marcum , David Love , James Krogmeier

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…

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

Degraded broadcast channels (DBC) are a typical multi-user communications scenario. There exist classic transmission methods, such as superposition coding with successive interference cancellation, to achieve the DBC capacity region.…

信息论 · 计算机科学 2023-05-17 Tong Wu , Zhiyong Chen , Meixia Tao , Bin Xia , Wenjun Zhang

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
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