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This paper addresses the challenge of energy-constrained maritime monitoring networks by proposing an unmanned aerial vehicle (UAV)-enabled integrated sensing, communication, powering and backhaul transmission scheme with a tailored…

信号处理 · 电气工程与系统科学 2025-06-02 Bohan Li , Jiahao Liu , Yujun Liang , Qian Li , Haochen Liu , Yaoyuan Zhang , Junsheng Mu , Shahid Mumtaz , Sheng Chen

The recent evolution of ambient backscattering technology has the potential to provide long-range and low-power wireless communications. In this work, we study the unmanned aerial vehicle (UAV)-assisted backscatter networks where the UAV…

网络与互联网体系结构 · 计算机科学 2019-02-11 Amin Farajzadeh , Ozgur Ercetin , Halim Yanikomeroglu

This correspondence studies the wireless powered over-the-air computation (AirComp) for achieving sustainable wireless data aggregation (WDA) by integrating AirComp and wireless power transfer (WPT) into a joint design. In particular, we…

信息论 · 计算机科学 2023-05-18 Siyao Zhang , Xinmin Li , Yin Long , Jie Xu , Shuguang Cui

Over-the-air computation (AirComp) is a key enabler for distributed optimization, since it leverages analog waveform superposition to perform aggregation and thereby mitigates the communication bottleneck caused by iterative information…

信息论 · 计算机科学 2026-01-15 Mingyu Hu , Nan Liu , Wei Kang

Distributed optimization is ubiquitous in emerging applications, such as robust sensor network control, smart grid management, machine learning, resource slicing, and localization. However, the extensive data exchange among local and…

Wireless federated learning (FL) relies on efficient uplink communications to aggregate model updates across distributed edge devices. Over-the-air computation (a.k.a. AirComp) has emerged as a promising approach for addressing the…

信息论 · 计算机科学 2024-04-16 Yujia Mu , Xizixiang Wei , Cong Shen

Future Internet-of-Things (IoT) has high demand for energy-saving communications, especially in remote areas and smart cities. To meet this demand, we propose novel Unmanned Aerial Vehicle-assisted backscatter communications, where a UAV…

信号处理 · 电气工程与系统科学 2019-08-06 Shengzhi Yang , Yansha Deng , Xuanxuan Tang , Yuan Ding , Jianming Zhou

This work is concerned with integrated sensing, communication, and computation (ISCC) in uplink orthogonal frequency division multiplexing (OFDM) systems, wherein multiple devices perform target sensing and over-the-air computation…

信号处理 · 电气工程与系统科学 2025-07-08 Biao Dong , Bin Cao , Qinyu Zhang

Due to its high communication efficiency, over-the-air computation (AirComp) has been expected to carry out various computing tasks in the next-generation wireless networks. However, up to now, most applications of AirComp are explored in…

信号处理 · 电气工程与系统科学 2023-11-14 Xin Xie , Cunqinq Hua , Jianan Hong , Yuejun Wei

Over-the-air computation has the potential to increase the communication-efficiency of data-dependent distributed wireless systems, but is vulnerable to eavesdropping. We consider over-the-air computation over block-fading additive white…

信息论 · 计算机科学 2022-12-23 Luis Maßny , Antonia Wachter-Zeh

This paper studies the UAV-enabled integrated sensing and communication (ISAC), in which UAVs are dispatched as aerial dual-functional access points (APs) for efficient ISAC. In particular, we consider a scenario with one UAV-AP equipped…

信息论 · 计算机科学 2021-10-07 Zhonghao Lyu , Guangxu Zhu , Jie Xu

Over-the-air computation (AirComp) enables fast data aggregation for edge intelligence applications. However the performance of AirComp can be severely degraded by channel misalignments. Pinching antenna systems (PASS) have recently emerged…

信息论 · 计算机科学 2025-05-13 Zhonghao Lyu , Haoyun Li , Yulan Gao , Ming Xiao , H. Vincent Poor

Recent research has shown that unsourced massive access (UMA) is naturally well-suited for over-the-air computation (AirComp), as it does not require knowledge of each individual signal, as demonstrated by the massive digital AirComp…

信号处理 · 电气工程与系统科学 2026-02-23 Li Qiao , Yueqing Wang , Hanjun Jiang , Xinhua Liu , Yixuan Xing , Yongpeng Wu , Zhen Gao

To overcome inherent limitations of analog signals in over-the-air computation (AirComp), this letter proposes a two's complement-based coding scheme for the AirComp implementation with compatible digital modulations. Specifically,…

信号处理 · 电气工程与系统科学 2026-01-01 Zhixu Wang , Jiacheng Yao , Wei Xu , Wei Shi , Kaibin Huang

We consider the problem of non-coherent over-the-air computation (AirComp), where $n$ devices carry high-dimensional data vectors $\mathbf{x}_i\in\mathbb{R}^d$ of sparsity $\lVert\mathbf{x}_i\rVert_0\leq k$ whose sum has to be computed at a…

信号处理 · 电气工程与系统科学 2025-10-22 Henrik Hellström , Jiwon Jeong , Ayfer Özgür , Viktoria Fodor , Carlo Fischione

Unmanned aerial vehicle (UAV)-based integrated sensing and communication (ISAC) systems are poised to revolutionize next-generation wireless networks by enabling simultaneous sensing and communication (S\&C). This survey comprehensively…

A segmented waveguide-enabled pinching-antenna system (SWAN)-assisted over-the-air computation (AirComp) framework is proposed. Three transmission architectures, namely segment selection (SS), phase-shifter-free segment aggregation (SA),…

信号处理 · 电气工程与系统科学 2026-05-05 Songnan Gu , Hao Jiang , Chongjun Ouyang , Dian Fan , Yuanwei Liu , Arumugam Nallanathan

Edge-device co-inference refers to deploying well-trained artificial intelligent (AI) models at the network edge under the cooperation of devices and edge servers for providing ambient intelligent services. For enhancing the utilization of…

信息论 · 计算机科学 2023-08-15 Zeming Zhuang , Dingzhu Wen , Yuanming Shi , Guangxu Zhu , Sheng Wu , Dusit Niyato

This paper studies an over-the-air federated edge learning (Air-FEEL) system with integrated sensing, communication, and computation (ISCC), in which one edge server coordinates multiple edge devices to wirelessly sense the objects and use…

信息论 · 计算机科学 2025-08-22 Dingzhu Wen , Sijing Xie , Xiaowen Cao , Yuanhao Cui , Jie Xu , Yuanming Shi , Shuguang Cui

Future wireless networks are envisioned to support both sensing and artificial intelligence (AI) services. However, conventional integrated sensing and communication (ISAC) networks may not be suitable due to the ignorance of diverse…

网络与互联网体系结构 · 计算机科学 2024-09-04 Wenhao Zhuang , Xinyu He , Yuyi Mao , Juan Liu