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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…

Signal Processing · Electrical Eng. & Systems 2021-05-12 Wenzhi Fang , Yuning Jiang , Yuanming Shi , Yong Zhou , Wei Chen , Khaled B. Letaief

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…

Signal Processing · Electrical Eng. & Systems 2020-04-21 Daesung Yu , Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

The integration of intelligent reflecting surface (IRS) into over-the-air computation (AirComp) is an effective solution for reducing the computational mean squared error (MSE) via its high passive beamforming gain. Prior works on IRS aided…

Information Theory · Computer Science 2024-05-10 Guangji Chen , Jun Li , Qingqing Wu , Meng Hua , Kaitao Meng , Zhonghao Lyu

Over-the-air computation (AirComp) enables fast wireless data aggregation at the receiver through concurrent transmission by sensors in the application of Internet-of-Things (IoT). To further improve the performance of AirComp under…

Information Theory · Computer Science 2022-06-15 Wenhui Zhang , Jindan Xu , Wei Xu , Xiaohu You , Weijie Fu

Over-the-air computation (AirComp) leverages the signal-superposition characteristic of wireless multiple access channels to perform mathematical computations. Initially introduced to enhance communication reliability in interference…

Signal Processing · Electrical Eng. & Systems 2025-11-05 Ana Pérez-Neira , Marc Martinez-Gost , Alphan Şahin , Saeed Razavikia , Carlo Fischione , Kaibin Huang

Compute-and-forward is a promising strategy to tackle interference and obtain high rates between the transmitting users in a wireless network. However, the quality of the wireless channels between the users substantially limits the…

Information Theory · Computer Science 2021-06-25 Mahdi Jafari Siavoshani , Seyed Pooya Shariatpanahi , Naeimeh Omidvar

The rapid advancement of artificial intelligence technologies has given rise to diversified intelligent services, which place unprecedented demands on massive connectivity and gigantic data aggregation. However, the scarce radio resources…

Signal Processing · Electrical Eng. & Systems 2024-07-11 Zhibin Wang , Yapeng Zhao , Yong Zhou , Yuanming Shi , Chunxiao Jiang , Khaled B. Letaief

Over-the-air computation (AirComp) is a known technique in which wireless devices transmit values by analog amplitude modulation so that a function of these values is computed over the communication channel at a common receiver. The…

Signal Processing · Electrical Eng. & Systems 2023-03-21 Saeed Razavikia , Jose Mairton Barros da Silva , Carlo Fischione

Over the air computation (AirComp) is a promising technique that addresses big data collection and fast wireless data aggregation. However, in a network where wireless communication and AirComp coexist, mutual interference becomes a…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Xunqiang Lan , Xiao Tang , Ruonan Zhang , Bin Li , Yichen Wang , Dusit Niyato , Zhu Han

Over-the-air computation (AirComp) is emerging as a promising technology for wireless data aggregation. However, its performance is hampered by users with poor channel conditions. To mitigate such a performance bottleneck, this paper…

Information Theory · Computer Science 2023-12-01 Deyou Zhang , Ming Xiao , Mikael Skoglund , H. Vincent Poor

Over-the-air computation (AirComp) based federated learning (FL) is capable of achieving fast model aggregation by exploiting the waveform superposition property of multiple access channels. However, the model aggregation performance is…

Information Theory · Computer Science 2022-04-01 Zhibin Wang , Jiahang Qiu , Yong Zhou , Yuanming Shi , Liqun Fu , Wei Chen , Khaled B. Lataief

Over-the-air computation (AirComp), which leverages the superposition property of wireless multiple-access channel (MAC) and the mathematical tool of function representation, has been considered as a promising technique for effective…

Information Theory · Computer Science 2024-10-30 Xin Zang , Wanchun Liu , Yonghui Li , Branka Vucetic

Over-the-air computation (AirComp) has been recognized as a low-latency solution for wireless sensor data fusion, where multiple sensors send their measurement signals to a receiver simultaneously for computation. Most existing work only…

Information Theory · Computer Science 2024-10-28 Tianrui Qin , Wanchun Liu , Branka Vucetic , Yonghui Li

By leveraging the waveform superposition property of the multiple access channel, over-the-air computation (AirComp) enables the execution of digital computations through analog means in the wireless domain, leading to faster processing and…

Information Theory · Computer Science 2025-08-22 Meng Hua , Chenghong Bian , Haotian Wu , Deniz Gündüz

To facilitate the development of Internet of Things (IoT) services, tremendous IoT devices are deployed in the wireless network to collect and pass data to the server for further processing. Aiming at improving the data sensing and…

Information Theory · Computer Science 2022-11-08 Xiaoyang Li , Yi Gong , Kaibin Huang , Zhisheng Niu

Over-the-air computation (AirComp) leveraging the superposition property of wireless multiple-access channel (MAC), is a promising technique for effective data collection and computation of large-scale wireless sensor measurements in…

Information Theory · Computer Science 2024-10-28 Wanchun Liu , Xin Zang , Branka Vucetic , Yonghui Li

Over-the-air computation (AirComp) is a well-known technique by which several wireless devices transmit by analog amplitude modulation to achieve a sum of their transmit signals at a common receiver. The underlying physical principle is the…

Signal Processing · Electrical Eng. & Systems 2023-10-11 Saeed Razavikia , José Mairton Barros Da Silva Júnior , Carlo Fischione

The vision of 6G networks aims to enable edge inference by leveraging ubiquitously deployed artificial intelligence (AI) models, facilitating intelligent environmental perception for a wide range of applications. A critical operation in…

Networking and Internet Architecture · Computer Science 2026-01-19 Yang Fu , Peng Qin , Liming Chen , Xianchao Zhang , Yifei Wang

To support the unprecedented growth of the Internet of Things (IoT) applications, tremendous data need to be collected by the IoT devices and delivered to the server for further computation. By utilizing the same signals for both radar…

Information Theory · Computer Science 2022-02-23 Xiaoyang Li , Fan Liu , Ziqin Zhou , Guangxu Zhu , Shuai Wang , Kaibin Huang , Yi Gong

Over-the-air computation (AirComp) has traditionally been built on the principle of pre-embedding computation into transmitted waveforms or on exploiting massive antenna arrays, often requiring the wireless multiple-access channel (MAC) to…

Information Theory · Computer Science 2026-04-07 Seyed Mohammad Azimi-Abarghouyi
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