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Related papers: Device-Free Localization Using Multi-Link MIMO Cha…

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In this work, we analyze a multi-functional reconfigurable intelligent surface (MF-RIS)-enabled radar and communication coexistence (RCC) system, detailing the key aspects of its phase synthesis codebook generation and the implemented…

While the 5G cellular system is being deployed worldwide, researchers have started the investigation of the 6G mobile communication networks. Although the essential requirements and key usage scenarios of 6G are yet to be defined, it is…

Signal Processing · Electrical Eng. & Systems 2020-06-03 Zhiqiang Xiao , Yong Zeng

This paper investigates network-level integrated sensing and communication (ISAC) under two fundamentally different topology configurations: cell-free massive MIMO (CF-mMIMO) and multi-cell massive MIMO (MC-mMIMO). A unified OFDM-based…

Information Theory · Computer Science 2026-05-07 Maryam Darabi , Sergi Liesegang , Emanuele Grossi , Stefano Buzzi

Clustered cell-free networking paves a new way for enabling scalable joint transmission among access points (APs) by partitioning the whole network into non-overlapping subnetworks. Previous works adopted clustering algorithms, graph…

Signal Processing · Electrical Eng. & Systems 2026-05-26 Ouyang Zhou , Junyuan Wang , Bo Qian , Antonio Pérez Yuste , Yusheng Ji

In this paper, we consider power allocation and antenna activation of cell-free massive multiple-input multiple-output (CFmMIMO) systems. We first derive closed-form expressions for the system spectral efficiency (SE) and energy efficiency…

Signal Processing · Electrical Eng. & Systems 2026-04-13 Phuong Nam Tran , Nhan Thanh Nguyen , Hien Quoc Ngo , Markku Juntti

We develop novel methods for device-free localization (DFL) using transceivers in motion. Such localization technologies are useful in various cross-layer applications/protocols including those that are related to security situations where…

Emerging Technologies · Computer Science 2015-11-23 Peter Hillyard , Dustin Maas , Sriram Premnath , Neal Patwari , Sneha Kasera

Reconfigurable intelligent surfaces (RIS) have emerged as a promising technology for enhancing wireless communication by dynamically controlling signal propagation in the environment. However, their efficient deployment relies on accurate…

Signal Processing · Electrical Eng. & Systems 2025-06-12 Mohammad Ghassemi , Sara Farrag Mobarak , Han Zhang , Ali Afana , Akram Bin Sediq , Melike Erol-Kantarci

Introduced with the advent of statistical wireless channel models for high mobility communications and having a profound role in communication-centric (CC) integrated sensing and communications (ISAC), the doubly-dispersive (DD) channel…

In this paper, we investigate a novel integrated sensing and communication (ISAC) system aided by movable antennas (MAs). A bistatic radar system, in which the base station (BS) is configured with MAs, is integrated into a multi-user…

Signal Processing · Electrical Eng. & Systems 2024-12-31 Wanting Lyu , Songjie Yang , Yue Xiu , Zhongpei Zhang , Chadi Assi , Chau Yuen

The provision of communication services via portable and mobile devices, such as aerial base stations, is a crucial concept to be realized in 5G/6G networks. Conventionally, IoT/edge devices need to transmit the data directly to the base…

Machine Learning · Computer Science 2022-01-21 Sunder Ali Khowaja , Kapal Dev , Parus Khuwaja , Paolo Bellavista

Cloud Radio Access Network (C-RAN) is a prominent architecture for 5G wireless cellular system that is based on the centralization of baseband processing for multiple distributed radio units (RUs) at a control unit (CU). In this work, it is…

Information Theory · Computer Science 2017-05-19 Seongah Jeong , Osvaldo Simeone , Alexander Haimovich , Joonhyuk Kang

Dynamic line rating (DLR) is a methodology that requires timely monitoring data to determine the real-time ampacity of power lines. However, DLR monitoring devices (MD) are vulnerable to connectivity disruptions, leading to missing or…

Signal Processing · Electrical Eng. & Systems 2026-05-22 Yibin Xie , Jin Zhao , Indrakshi Dey , Nicola Marchetti

In this work, we propose a deep learning (DL)-based approach that integrates a state-of-the-art algorithm with a time-frequency (TF) learning framework to minimize overall latency. Meeting the stringent latency requirements of 6G orthogonal…

Signal Processing · Electrical Eng. & Systems 2025-03-12 Mauro Marchese , Henk Wymeersch , Paolo Spallaccini , Stefano Chinnici , Pietro Savazzi

Millimeter-wave (mmWave) is a key enabler for next-generation transportation systems. However, in an urban city scenario, mmWave is highly susceptible to blockages and shadowing. Therefore, base station (BS) placement is a crucial task in…

Signal Processing · Electrical Eng. & Systems 2024-04-24 Ahmed Al-Tahmeesschi , Jukka Talvitie , Miguel López-Benítez , Hamed Ahmadi , Laura Ruotsalainen

Device-free Wi-Fi indoor localization has received significant attention as a key enabling technology for many Internet of Things (IoT) applications. Machine learning-based location estimators, such as the deep neural network (DNN), carry…

Networking and Internet Architecture · Computer Science 2021-01-29 Shing-Jiuan Liu , Ronald Y. Chang , Feng-Tsun Chien

Object recognition is a key enabler across industry and defense. As technology changes, algorithms must keep pace with new requirements and data. New modalities and higher resolution sensors should allow for increased algorithm robustness.…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Samuel Rivera , Joel Klipfel , Deborah Weeks

We propose a distributed implementation for integrated sensing and communication (ISAC) backed by a massive multiple input multiple output (CF-mMIMO) architecture without cells. Distributed multi-antenna access points (APs) simultaneously…

Information Theory · Computer Science 2025-02-13 Mohamed Elfiatoure , Mohammadali Mohammadi , Hien Quoc Ngo , Hyundong Shin , Michail Matthaiou

The classic trilateration technique can localize each target based on its distances to three anchors with known coordinates. Usually, this technique requires all the anchors and targets, e.g., the satellites and the mobile phones in Global…

Signal Processing · Electrical Eng. & Systems 2022-05-30 Qipeng Wang , Liang Liu , Shuowen Zhang , Francis C. M. Lau

Future communications systems will definitely be built on green infrastructures. To realize such a goal, recently a new network infrastructure named cloud radio access network (C-RAN) is proposed by China Mobile to enhance network coverage…

Information Theory · Computer Science 2014-10-07 Ang Yang , Zesong Fei , Chengwen Xing , Shaodan Ma , Jingming Kuang , Dalin Zhu , Ming Lei

Federated distillation (FD) paradigm has been recently proposed as a promising alternative to federated learning (FL) especially in wireless sensor networks with limited communication resources. However, all state-of-the art FD algorithms…

Signal Processing · Electrical Eng. & Systems 2022-10-12 Yaya Etiabi , Marwa Chafii , El Mehdi Amhoud