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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…

Signal Processing · Electrical Eng. & Systems 2025-10-22 Henrik Hellström , Jiwon Jeong , Ayfer Özgür , Viktoria Fodor , Carlo Fischione

We consider collaborative inference at the wireless edge, where each client's model is trained independently on its local dataset. Clients are queried in parallel to make an accurate decision collaboratively. In addition to maximizing the…

Machine Learning · Computer Science 2025-01-15 Selim F. Yilmaz , Burak Hasircioglu , Li Qiao , Deniz Gunduz

We study communication over a Gaussian multiple-access channel (MAC) with two types of transmitters: Digital transmitters hold a message from a discrete set that needs to be communicated to the receiver with vanishing error probability.…

Information Theory · Computer Science 2025-04-28 Matthias Frey , Igor Bjelaković , Michael C. Gastpar , Jingge Zhu

We propose a novel framework for integrated communication and computing (ICC) transceiver design in time-varying millimeter-wave (mmWave) channels. In particular, in order to cope with the dynamics of time-varying mmWave channels, the…

Signal Processing · Electrical Eng. & Systems 2025-09-10 Joan Çollaku , Kuranage Roche Rayan Ranasinghe , Giuseppe Thadeu Freitas de Abreu , Takumi Takahashi

Air components, including UAVs, planes, balloons, and satellites have been widely utilized since the fixed capacity of ground infrastructure cannot meet the dynamic load of the users. However, since those air components should be…

Networking and Internet Architecture · Computer Science 2024-09-04 Baris Yamansavascilar , Atay Ozgovde , Cem Ersoy

This study introduces a novel non-coherent over-the-air computation (OAC) scheme aimed at achieving reliable majority vote (MV) calculations in fading channels. The proposed approach relies on modulating the amplitude of the elements of…

Information Theory · Computer Science 2023-08-15 Alphan Sahin , Xiaofeng Wang

Error correction will add so much overhead to large quantum computations that we suspect the most efficient algorithms will use a classical co-processor to do as much work as possible. We present a method to offload portions of a quantum…

Quantum Physics · Physics 2020-08-12 Samuel Jaques , Craig Gidney

Amplitude demodulation is a classical operation used in signal processing. For a long time, its effective applications in practice have been limited to narrowband signals. In this work, we generalize amplitude demodulation to wideband…

Signal Processing · Electrical Eng. & Systems 2021-06-16 Mantas Gabrielaitis

In recent years, over-the-air aggregation has been widely considered in large-scale distributed learning, optimization, and sensing. In this paper, we propose the over-the-air federated policy gradient algorithm, where all agents…

Machine Learning · Computer Science 2024-02-27 Huiwen Yang , Lingying Huang , Subhrakanti Dey , Ling Shi

This letter studies an uplink over-the-air computation (AirComp) framework in which multiple user equipments are equipped with fluid-antenna (FA) arrays and operate over spatially correlated fading channels. By explicitly modeling channel…

Signal Processing · Electrical Eng. & Systems 2026-05-06 Saeid Pakravan , Mohsen Ahmadzadeh , Wessam Ajib , Ghosheh Abed Hodtani , Ming Zeng

To further preserve model weight privacy and improve model performance in Federated Learning (FL), FL via Over-the-Air Computation (AirComp) scheme based on dynamic power control is proposed. The edge devices (EDs) transmit the signs of…

Machine Learning · Computer Science 2023-08-08 Anbang Zhang , Shuaishuai Guo , Shuai Liu

Large language models (LLMs) have demonstrated remarkable success across various application domains, but their enormous sizes and computational demands pose significant challenges for deployment on resource-constrained edge devices. To…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-20 Kai Zhang , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

Instead of treating the noise as a detrimental effect, can we use it as an information carrier? In this letter, we provide the conceptual and mathematical foundations of wireless communication utilizing noise and random signals in general.…

Information Theory · Computer Science 2023-12-22 Ertugrul Basar

We consider the problem of distributed computation of a target function over a multiple-access channel. If the target and channel functions are matched (i.e., compute the same function), significant performance gains can be obtained by…

Information Theory · Computer Science 2013-03-28 Nikhil Karamchandani , Urs Niesen , Suhas Diggavi

The classical problem in network coding theory considers communication over multicast networks. Multiple transmitters send independent messages to multiple receivers which decode the same set of messages. In this work, computation over…

Information Theory · Computer Science 2016-02-18 Changho Suh , Naveen Goela , Michael Gastpar

In existing computing systems, such as edge computing and cloud computing, several emerging applications and practical scenarios are mostly unavailable or only partially implemented. To overcome the limitations that restrict such…

Networking and Internet Architecture · Computer Science 2022-04-06 Quoc-Viet Pham , Rukhsana Ruby , Fang Fang , Dinh C. Nguyen , Zhaohui Yang , Mai Le , Zhiguo Ding , Won-Joo Hwang

We propose a new method to protect Over-The-Air (OTA) computation schemes against passive eavesdropping. Our method uses a friendly jammer whose signal is -- contrary to common intuition -- stronger at the legitimate receiver than it is at…

Information Theory · Computer Science 2024-03-19 Matthias Frey , Igor Bjelaković , Sławomir Stańczak

In split machine learning (ML), different partitions of a neural network (NN) are executed by different computing nodes, requiring a large amount of communication cost. To ease communication burden, over-the-air computation (OAC) can…

Machine Learning · Computer Science 2022-12-13 Yuzhi Yang , Zhaoyang Zhang , Yuqing Tian , Zhaohui Yang , Chongwen Huang , Caijun Zhong , Kai-Kit Wong

With low-altitude economies emerging as a pivotal sector, this study explores an integrated sensing, communication, and computation system over low-altitude wireless networks. A full-duplex autonomous aerial vehicle (AAV) operates as an…

Signal Processing · Electrical Eng. & Systems 2025-07-22 Yiyang Chen , Wenchao Liu , Xuhui Zhang , Jinke Ren , Huijun Xing , Shuqiang Wang , Yanyan Shen , Kim-Fung Tsang

In this paper, we investigate the issue of integrated sensing, computation and communication (SCC) in beyond fifth-generation (B5G) cellular internet of things (IoT) networks. According to the characteristics of B5G cellular IoT, a…

Information Theory · Computer Science 2020-09-17 Qiao Qi , Xiaoming Chen , Caijun Zhong , Zhaoyang Zhang