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Integrating sensing and communication (ISAC) can help overcome the challenges of limited spectrum and expensive hardware, leading to improved energy and cost efficiency. While full cooperation between sensing and communication can result in…

Information Theory · Computer Science 2026-02-16 Mojtaba Vaezi , Gayan Aruma Baduge , Esa Ollila , Sergiy A. Vorobyov

To cope with uncertain traffic patterns and traffic models, traffic-responsive signal control strategies in the literature are designed to be robust to these uncertainties. These robust strategies still require sensing infrastructure to…

Systems and Control · Electrical Eng. & Systems 2024-10-08 Leonardo Pedroso , Pedro Batista , Markos Papageorgiou

In this paper, we explore an integrated sensing and communication (ISAC) system with backscattering RFID tags. In this setup, an access point employs a communication beam to serve a user while leveraging a sensing beam to detect an RFID…

Signal Processing · Electrical Eng. & Systems 2024-02-02 Hao Luo , Umut Demirhan , Ahmed Alkhateeb

This paper studies the UAV-enabled integrated sensing and communication (ISAC), in which UAVs are dispatched as aerial dual-functional access points (APs) for efficient ISAC. In particular, we consider a scenario with one UAV-AP equipped…

Information Theory · Computer Science 2021-10-07 Zhonghao Lyu , Guangxu Zhu , Jie Xu

Exploring the mutual benefit and reciprocity of sensing and communication (S\&C) functions is fundamental to realizing deeper integration for integrated sensing and communication (ISAC) systems. This paper investigates a novel…

Signal Processing · Electrical Eng. & Systems 2024-08-29 Fuwang Dong , Fan Liu , Shihang Lu , Yifeng Xiong , Qixun Zhang , Zhiyong Feng , Feifei Gao

We consider the decentralized binary hypothesis testing problem in networks with feedback, where some or all of the sensors have access to compressed summaries of other sensors' observations. We study certain two-message feedback…

Information Theory · Computer Science 2011-09-01 Wee Peng Tay

Type-based unsourced multiple access (TUMA) is a recently proposed framework for type-based estimation in massive uncoordinated access networks. We extend the existing design of TUMA, developed for an additive white Gaussian channel, to a…

Information Theory · Computer Science 2025-04-29 Kaan Okumus , Khac-Hoang Ngo , Giuseppe Durisi , Erik G. Ström

We consider a secondary user (SU) with energy harvesting capability. We design access schemes for the SU which incorporate random spectrum sensing and random access, and which make use of the primary automatic repeat request (ARQ) feedback.…

Information Theory · Computer Science 2014-04-29 Ahmed El Shafie

One key requirement for fountain (rateless) coding schemes is to achieve a high intermediate symbol recovery rate. Recent coding schemes have incorporated the use of a feedback channel to improve intermediate performance of traditional…

Information Theory · Computer Science 2016-11-17 Morteza Hashemi , Yuval Cassuto , Ari Trachtenberg

Ultra-reliable and low-latency communications (URLLC) are considered as one of three new application scenarios in the fifth generation cellular networks. In this work, we aim to reduce the user experienced delay through prediction and…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Zhanwei Hou , Changyang She , Yonghui Li , Zhuo Li , Branka Vucetic

The design of communication signal sets is fundamentally a sphere packing problem. It aims to identify a set of M points in an N -dimensional space, with the objective of maximizing the separability of points that represent different…

Signal Processing · Electrical Eng. & Systems 2024-08-06 Shuaishuai Guo , Kaiqian Qu

In this paper, we combine the network-assisted full-duplex (NAFD) technology and distributed radar sensing to implement integrated sensing and communication (ISAC). The ISAC system features both uplink and downlink remote radio units (RRUs)…

Information Theory · Computer Science 2023-11-14 Fan Zeng , Jingxuan Yu , Jiamin Li , Feiyang Liu , Dongming Wang , Xiaohu You

Future wireless networks are envisioned to support both sensing and artificial intelligence (AI) services. However, conventional integrated sensing and communication (ISAC) networks may not be suitable due to the ignorance of diverse…

Networking and Internet Architecture · Computer Science 2024-09-04 Wenhao Zhuang , Xinyu He , Yuyi Mao , Juan Liu

In this paper, an improved ALOHA-based unsourced random access (URA) scheme is proposed in MIMO channels. The channel coherent interval is divided into multiple sub-slots and each active user selects several sub-slots to send its codeword,…

Information Theory · Computer Science 2025-05-06 Linjie Yang , Pingzhi Fan , Zhiguo Ding , Jingqiu Gao

With the advent of 5G era, factories are transitioning towards wireless networks to break free from the limitations of wired networks. In 5G-enabled factories, unmanned automatic devices such as automated guided vehicles and robotic arms…

Performance · Computer Science 2023-10-25 Zeyang Meng , Dingyou Ma , Shengfeng Wang , Zhiqing Wei , Zhiyong Feng

We derive an achievability bound to quantify the performance of a type-based unsourced multiple access system -- an information-theoretic model for grant-free multiple access with correlated messages. The bound extends available…

Information Theory · Computer Science 2025-04-29 Deekshith Pathayappilly Krishnan , Kaan Okumus , Khac-Hoang Ngo , Giuseppe Durisi

The advancement of wireless communication systems toward 5G and beyond is spurred by the demand for high data rates, exceedingly dependable low-latency communication, and extensive connectivity that aligns with sensing requisites such as…

Information Theory · Computer Science 2024-04-10 Mamady Delamou , El Mehdi Amhoud

We propose a framework for inversion-based estimation of certain categories of faults in discrete-time linear systems. The fault signal, as an unknown input, is reconstructed from its projections onto two subspaces. One projection is…

Systems and Control · Computer Science 2019-02-26 Esmaeil Naderi , Khashayar Khorasani

This correspondence paper studies a network integrated sensing and communication (ISAC) system that unifies the interference channel for communication and distributed radar sensing. In this system, a set of distributed ISAC transmitters…

Information Theory · Computer Science 2022-03-24 Yi Huang , Yuan Fang , Xinmin Li , Jie Xu

Recently, unmanned aerial vehicle (UAV)-enabled integrated sensing and communication (ISAC) is emerging as a promising technique for achieving robust and rapid emergency response capabilities. Such a novel framework offers high-quality and…

Signal Processing · Electrical Eng. & Systems 2024-06-28 Binghan Yao , Ruoguang Li , Yingyang Chen , Li Wang
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