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相关论文: ChannelComp: A General Method for Computation by C…

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In this paper, we study a federated learning system at the wireless edge that uses over-the-air computation (AirComp). In such a system, users transmit their messages over a multi-access channel concurrently to achieve fast model…

信息论 · 计算机科学 2020-08-04 Ruichen Jiang , Sheng Zhou

Over-the-air computation (AirComp) is an efficient solution to enable federated learning on wireless channels. AirComp assumes that the wireless channels from different devices can be controlled, e.g., via transmitter-side phase…

信号处理 · 电气工程与系统科学 2020-04-21 Daesung Yu , Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

In this paper, we consider the ChannelComp framework, where multiple transmitters aim to compute a function of their values at a common receiver while using digital modulations over a multiple access channel. ChannelComp provides a general…

信号处理 · 电气工程与系统科学 2025-02-14 Xiaojing Yan , Saeed Razavikia , Carlo Fischione

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…

Distributed optimization concerns the optimization of a common function in a distributed network, which finds a wide range of applications ranging from machine learning to vehicle platooning. Its key operation is to aggregate all local…

信息论 · 计算机科学 2022-04-15 Zhenyi Lin , Yi Gong , Kaibin Huang

IoT systems typically involve separate data collection and processing, and the former faces the scalability issue when the number of nodes increases. For some tasks, only the result of data fusion is needed. Then, the whole process can be…

网络与互联网体系结构 · 计算机科学 2021-05-11 Suhua Tang , Petar Popovski , Chao Zhang , Sadao Obana

Over-the-air computation (AirComp) is a disruptive technique for fast wireless data aggregation in Internet of Things (IoT) networks via exploiting the waveform superposition property of multiple-access channels. However, the performance of…

信号处理 · 电气工程与系统科学 2021-05-12 Wenzhi Fang , Yuning Jiang , Yuanming Shi , Yong Zhou , Wei Chen , Khaled B. Letaief

Sensing is envisioned as a key network function of the 6G mobile networks. Artificial intelligence (AI)-empowered sensing fuses features of multiple sensing views from devices distributed in edge networks for the edge server to perform…

信息论 · 计算机科学 2023-02-21 Zhiyan Liu , Qiao Lan , Anders E. Kalør , Petar Popovski , Kaibin Huang

A key issue in federated learning over wireless channels is how to exchange a large number of the model parameters via time-varying channels. Two types of solutions based on digital and analog schemes are used typically. The digital-based…

多媒体 · 计算机科学 2022-01-13 Takuya Fujihashi , Toshiaki Koike-Akino , Takashi Watanabe

Over-the-air computation (AirComp) has emerged as a promising technology for fast wireless data aggregation by harnessing the superposition property of wireless multiple-access channels. This paper investigates a fluid antenna (FA)…

信息论 · 计算机科学 2025-02-14 Deyou Zhang , Sicong Ye , Ming Xiao , Kezhi Wang , Marco Di Renzo , Mikael Skoglund

Over-the-air computation (AirComp) has emerged as a promising technology that enables simultaneous transmission and computation through wireless channels. In this paper, we investigate the networked AirComp in multiple clusters allowing…

信号处理 · 电气工程与系统科学 2025-05-19 Xiao Tang , Huirong Xiao , Chao Shen , Li Sun , Qinghe Du , Dusit Niyato , Zhu Han

Over-the-air computation (OAC) harnesses the natural superposition of wireless signals to compute aggregate functions during transmission, thereby collapsing communication and computation into a single step and significantly reducing…

信号处理 · 电气工程与系统科学 2025-06-24 Saeed Razavikia , Carlo Fischione

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…

信息论 · 计算机科学 2025-03-25 Jiacheng Yao , Wei Xu , Guangxu Zhu , Zhaohui Yang , Kaibin Huang , Dusit Niyato

This paper investigates the effect of imperfect channel state information (CSI) on the over-the-air computation (AirComp) system, in which multiple wireless devices (WDs) send individual messages to one access point (AP) for distributed…

信息论 · 计算机科学 2022-03-01 Yilong Chen , Guangxu Zhu , Jie Xu

This paper investigates over-the-air computation (AirComp) in the context of multiple-access time-varying multipath channels. We focus on a scenario where devices with high mobility transmit their sensing data to a fusion center (FC) for…

信息论 · 计算机科学 2024-03-19 Xinyu Huang , Henrik Hellstrom , Carlo Fischione

Various wireless sensor network applications involve the computation of a pre-defined function of the measurements without the need for reconstructing each individual sensor reading. Widely-considered examples of such functions include the…

信息论 · 计算机科学 2012-10-16 Mario Goldenbaum , Sławomir Stańczak

In this paper, we consider the ChannelComp framework, which facilitates the computation of desired functions by multiple transmitters over a common receiver using digital modulations across a multiple access channel. While ChannelComp…

信号处理 · 电气工程与系统科学 2024-04-26 Xiaojing Yan , Saeed Razavikia , Carlo Fischione

Communication and computation are often viewed as separate tasks. This approach is very effective from the perspective of engineering as isolated optimizations can be performed. However, for many computation-oriented applications, the main…

信息论 · 计算机科学 2023-04-04 Alphan Sahin , Rui Yang

In the era of the Internet of Things and massive connectivity, many engineering applications, such as sensor fusion and federated edge learning, rely on efficient data aggregation from geographically distributed users over wireless…

信号处理 · 电气工程与系统科学 2025-12-02 David Nordlund , Luis Maßny , Antonia Wachter-Zeh , Erik G. Larsson , Zheng Chen

One of the main challenges facing Internet of Things (IoT) networks is managing interference caused by the large number of devices communicating simultaneously, particularly in multi-cluster networks where multiple devices simultaneously…

信号处理 · 电气工程与系统科学 2025-10-07 Lucas Sempéré , Yue Bi , Yue Wu , Pengwenlong Gu , Selma Boumerdassi