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Related papers: Over-the-Air Computation with Spatial-and-Temporal…

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Driven by the recent advancement in unmanned aerial vehicle (UAV) technology, this paper proposes a new wireless network architecture of \emph{coordinate multipoint (CoMP) in the sky} to harness both the benefits of interference mitigation…

Information Theory · Computer Science 2018-03-01 Liang Liu , Shuowen Zhang , Rui Zhang

Over-the-air Computation (AirComp) has been demonstrated as an effective transmission scheme to boost the efficiency of federated edge learning (FEEL). However, existing FEEL systems with AirComp scheme often employ traditional synchronous…

Machine Learning · Computer Science 2023-05-31 Zhoubin Kou , Yun Ji , Xiaoxiong Zhong , Sheng Zhang

In this study we introduce Logarithmic Frequency Shift Keying (Log-FSK), a novel frequency modulation for over-the-air computation (AirComp). Log-FSK leverages non-linear signal processing to produce AirComp in the frequency domain, this…

Signal Processing · Electrical Eng. & Systems 2025-06-05 Marc Martinez-Gost , Ana Pérez-Neira , Miguel Ángel Lagunas

A distributed integrated sensing and communication (D-ISAC) system offers significant cooperative gains for both sensing and communication performance. These gains, however, can only be fully realized when the distributed nodes are…

Signal Processing · Electrical Eng. & Systems 2025-03-13 Kawon Han , Kaitao Meng , Christos Masouros

Fluid antenna system (FAS) is able to exploit spatial degrees of freedom (DoFs) in wireless channels. In this letter, to exploit spatial DoFs in frequency-selective environments, we investigate an orthogonal frequency division multiplexing…

Information Theory · Computer Science 2026-02-10 Heyang Xiong , Quanzhong Li , Qi Zhang

We study schemes and lower bounds for distributed minimax statistical estimation over a Gaussian multiple-access channel (MAC) under squared error loss, in a framework combining statistical estimation and wireless communication. First, we…

Information Theory · Computer Science 2021-03-09 Chuan-Zheng Lee , Leighton Pate Barnes , Ayfer Ozgur

Over-the-air computation (AirComp) has emerged as a new analog power-domain non-orthogonal multiple access (NOMA) technique for low-latency model/gradient-updates aggregation in federated edge learning (FEEL). By integrating communication…

Information Theory · Computer Science 2021-11-12 Xiaowen Cao , Guangxu Zhu , Jie Xu , Shuguang Cui

Wireless charging coupled with computation offloading in edge networks offers a promising solution for realizing power-hungry and computation intensive applications on user devices. We consider a mutil-access edge computing (MEC) system…

Signal Processing · Electrical Eng. & Systems 2020-09-02 Rafia Malik , Mai Vu

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…

Signal Processing · Electrical Eng. & Systems 2025-10-21 Maximilian H. V. Tillmann , Ban-Sok Shin , Dmitriy Shutin , Armin Dekorsy

With the high flexibility of supporting resource-intensive and time-sensitive applications, unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) is proposed as an innovational paradigm to support the mobile users (MUs). As a…

Signal Processing · Electrical Eng. & Systems 2023-02-20 Wenshuai Liu , Bin Li , Wancheng Xie , Yueyue Dai , Zesong Fei

Over-the-air computation (AirComp) has recently emerged as a pivotal technique for communication-efficient federated learning (FL) in resource-constrained wireless networks. Though AirComp leverages the superposition property of multiple…

Information Theory · Computer Science 2025-03-25 Jiacheng Yao , Wei Xu , Guangxu Zhu , Zhaohui Yang , Kaibin Huang , Dusit Niyato

This paper considers a wireless powered multiuser mobile edge computing (MEC) system, in which a multi-antenna hybrid access point (AP) wirelessly charges multiple users, and each user relies on the harvested energy to execute computation…

Information Theory · Computer Science 2020-07-27 Feng Wang , Hong Xing , Jie Xu

This paper utilizes the properties of type-based multiple access (TBMA) to investigate its effectiveness as a robust approach for over-the-air computation (AirComp) in the presence of Byzantine attacks, this is, adversarial strategies where…

Signal Processing · Electrical Eng. & Systems 2025-02-27 Marc Martinez-Gost , Ana Pérez-Neira , Miguel Ángel Lagunas

A distinctive function of sixth-generation (6G) networks is the integration of distributed sensing and edge artificial intelligence (AI) to enable intelligent perception of the physical world. This resultant platform, termed integrated…

Numerical Analysis · Mathematics 2025-09-17 Zhanwei Wang , Mingyao Cui , Huiling Yang , Qunsong Zeng , Min Sheng , Kaibin Huang

The typical approach for recovery of spatially correlated signals is regularized least squares with a coupled regularization term. In the Bayesian framework, this algorithm is seen as a maximum-a-posterior estimator whose postulated prior…

Information Theory · Computer Science 2018-05-31 Ali Bereyhi , Saeid Haghighatshoar , Ralf R. Müller

Sparse Subspace Clustering (SSC) is one of the most popular methods for clustering data points into their underlying subspaces. However, SSC may suffer from heavy computational burden. Orthogonal Matching Pursuit applied on SSC accelerates…

Machine Learning · Computer Science 2020-01-08 Wenqi Zhu , Yuesheng Zhu , Li Zhong , Shuai Yang

This work investigates a multi-user, multi-antenna uplink wireless system, in which multiple users transmit signals to a base station. Prior research has explored the potential for linear growth in spectral efficiency by employing multiple…

Signal Processing · Electrical Eng. & Systems 2025-06-27 Sajad Daei , Gabor Fodor , Mikael Skoglund

Accurate parameter estimation such as angle of arrival (AOA) is essential to enhance the performance of integrated sensing and communication (ISAC) in mmWave multiple-input multiple-output (MIMO) systems. This work presents a sensing-aided…

Information Theory · Computer Science 2025-03-05 Ngoc-Son Duong , Khac-Hoang Ngo , Thai-Mai Dinh , Van-Linh Nguyen

Due to the profound impact of air pollution on human health, livelihoods, and economic development, air quality forecasting is of paramount significance. Initially, we employ the causal graph method to scrutinize the constraints of existing…

Artificial Intelligence · Computer Science 2025-05-27 Jiaming Ma , Guanjun Wang , Sheng Huang , Kuo Yang , Binwu Wang , Pengkun Wang , Yang Wang

Multi-access edge computing (MEC)-enabled integrated space-air-ground (SAG) networks have drawn much attention recently, as they can provide communication and computing services to wireless devices in areas that lack terrestrial base…

Networking and Internet Architecture · Computer Science 2024-01-23 Yan Kyaw Tun , György Dán , Yu Min Park , Choong Seon Hong