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Related papers: Over-the-Air Computation via Segmented Waveguide-E…

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Over-the-air computation (AirComp) becomes a promising approach for fast wireless data aggregation via exploiting the superposition property in a multiple access channel. To further overcome the unfavorable signal propagation conditions for…

Information Theory · Computer Science 2019-05-01 Tao Jiang , Yuanming Shi

This paper investigates a fluid antenna (FA) array-enhanced over-the-air computation (AirComp) system in the presence of hardware impairments (HWIs), exploiting the new degrees of freedom offered by reconfigurable antenna positioning. To…

Signal Processing · Electrical Eng. & Systems 2025-12-08 Zilong Li , Jianxin Dai , Zhaohui Yang , Zhaoyang Zhang , Kai-Kit Wong , Zhiyang Li , Shunkuan Cheng

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

A wireless sensing architecture via pinching antenna systems is proposed. Compared to conventional wireless systems, PASS offers flexible antenna deployment and improved probing performance for wireless sensing by leveraging dielectric…

Signal Processing · Electrical Eng. & Systems 2025-05-22 Zhaolin Wang , Chongjun Ouyang , Yuanwei Liu , Arumugam Nallanathan

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

The evolution of wireless networks is driving new paradigms for consideration in upcoming generations. To this end, the 6G anticipates the development of several data-rate-hungry applications, in addition to a forecast growth in…

Information Theory · Computer Science 2026-04-07 Elmehdi Illi , Marwa Qaraqe

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

Pinching-antenna (PA) has recently attracted considerable research attention in wireless systems, realized by attaching small dielectric particles along a waveguide. Building upon which, the segmented waveguide-enabled pinching-antenna…

Signal Processing · Electrical Eng. & Systems 2026-04-02 Yue Geng , Tee Hiang Cheng , Kah Chan Teh , Zhiguo Ding

The Pinching-Antenna SyStem (PASS) is a revolutionary flexible antenna technology designed to enhance wireless communication by establishing strong line-of-sight (LoS) links, reducing free-space path loss and enabling antenna array…

Information Theory · Computer Science 2025-06-13 Zhaolin Wang , Chongjun Ouyang , Xidong Mu , Yuanwei Liu , Zhiguo Ding

Pinching-antenna systems (PASS) represent an innovative advancement in flexible-antenna technologies, aimed at significantly improving wireless communications by ensuring reliable line-of-sight connections and dynamic antenna array…

Signal Processing · Electrical Eng. & Systems 2025-11-27 Jingjing Zhao , Haowen Song , Xidong Mu , Kaiquan Cai , Yanbo Zhu , Yuanwei Liu

Future intelligent systems will consist of a massive number of battery-less sensors, where quick and accurate aggregation of sensor data will be of paramount importance. Over-the-air computation (AirComp) is a promising technology wherein…

Networking and Internet Architecture · Computer Science 2020-01-14 Amin Farajzadeh , Ozgur Ercetin , Halim Yanikomeroglu

This letter investigates multi-mode pinching antenna systems (PASS), where signals of multiple orthogonal modes can be transmitted within a dielectric waveguide and radiated by pinching antennas (PAs). This enables mode-domain multiplexing…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Xiaoxia Xu , Xidong Mu , Yuanwei Liu , Arumugam Nallanathan

Pinching-antenna system (PASS) is a novel flexible-antenna technology, which employs long-spread waveguides to convey signals with negligible path loss and pinching antennas (PAs) with adjustable positions to radiate signals from the…

Information Theory · Computer Science 2025-02-25 Xidong Mu , Guangyu Zhu , Yuanwei Liu

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

Pinching antenna systems (PASS) present a breakthrough among the flexible-antenna technologies, and distinguish themselves by facilitating large-scale antenna reconfiguration, line-of-sight creation, scalable implementation, and near-field…

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…

Information Theory · Computer Science 2023-05-18 Siyao Zhang , Xinmin Li , Yin Long , Jie Xu , Shuguang Cui

A pinching antenna system (PASS) assisted cell-free communication system is proposed. A sum rate maximization problem under the BS power budget constraint and PA deployment constraint is formulated. To tackle the proposed non-convex…

Signal Processing · Electrical Eng. & Systems 2026-05-20 Haochen Li , Jiayi Lei , Cheng Zeng , Zhaoming Hu , Chao Dong , Yuanwei Liu

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…

Information Theory · Computer Science 2022-03-01 Yilong Chen , Guangxu Zhu , Jie Xu

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…

Networking and Internet Architecture · Computer Science 2021-05-11 Suhua Tang , Petar Popovski , Chao Zhang , Sadao Obana

The sixth generation of wireless networks envisions intelligent and adaptive environments capable of meeting the demands of emerging applications such as immersive extended reality, advanced healthcare, and the metaverse. However, this…

Networking and Internet Architecture · Computer Science 2025-02-13 Dimitrios Tyrovolas , Sotiris A. Tegos , Panagiotis D. Diamantoulakis , Sotiris Ioannidis , Christos K. Liaskos , George K. Karagiannidis