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The uplink of 5G networks allows selecting the transmit waveform between cyclic prefix orthogonal frequency division multiplexing (CP-OFDM) and discrete Fourier transform spread OFDM (DFT-S-OFDM), which is appealing for cell-edge users…

Deploying machine learning models on compute-constrained devices has become a key building block of modern IoT applications. In this work, we present a compression scheme for boosted decision trees, addressing the growing need for…

Machine Learning · Computer Science 2026-03-04 Nina Herrmann , Jan Stenkamp , Benjamin Karic , Stefan Oehmcke , Fabian Gieseke

As the standardization of sixth generation (6G) wireless systems accelerates, there is a growing consensus in favor of evolutionary waveforms that offer new features while maximizing compatibility with orthogonal frequency division…

Signal Processing · Electrical Eng. & Systems 2026-02-17 Hyeon Seok Rou , Vincent Savaux , Zeping Sui , Giuseppe Thadeu Freitas de Abreu , Zilong Liu

Next-generation wireless technologies such as 6G aim to meet demanding requirements such as ultra-high data rates, low latency, and enhanced connectivity. Extremely Large-Scale MIMO (XL-MIMO) and Reconfigurable Intelligent Surface (RIS) are…

Information Theory · Computer Science 2026-01-01 Muhammad Kamran Saeed , Ashfaq Khokhar , Shakil Ahmed

This paper investigates the system design and experimental validation of integrated sensing and communication (ISAC) for environmental sensing, which is expected to be a critical enabler for next-generation wireless networks. We advocate…

Signal Processing · Electrical Eng. & Systems 2025-07-03 Jun Wu , Yuye Shi , Weijie Yuan , Qingqing Cheng , Buyi Li , Xinyuan Wei

Software-Defined Metamaterials (SDMs) show a strong potential for advancing the engineered control of electromagnetic waves. As such, they are envisioned to enable a variety of exciting applications, among others in the domains of smart…

Signal Processing · Electrical Eng. & Systems 2021-06-29 Filip Lemic , Sergi Abadal , Chong Han , Johann Marquez-Barja , Eduard Alarcón , Jeroen Famaey

Next-generation wireless networks are expected to leverage multi-modal data sources to execute various wireless communication tasks such as beamforming and blockage prediction with situational-awareness. To do so, multi-modal transformers…

Systems and Control · Electrical Eng. & Systems 2026-04-22 Minsu Kim , Walid Saad , Kui Wang , Zongdian Li , Tao Yu , Kei Sakaguchi

This paper proposes the orthogonal time frequency space-based code index modulation (OTFS-CIM) scheme, a novel wireless communication system that combines OTFS modulation, which enhances error performance in high-mobility Rayleigh channels,…

Signal Processing · Electrical Eng. & Systems 2025-04-15 Burak Ahmet Ozden , Erdogan Aydin , Emir Aslandogan , Haci Ilhan , Ertugrul Basar , Miaowen Wen , Marco Di Renzo

As 6G communications advance, the demand for new services and capabilities, as defined by the international telecommunication union (ITU), is increasing. A crucial aspect of 6G advancement lies in the development of signal waveforms that…

Signal Processing · Electrical Eng. & Systems 2026-03-09 Tongyang Xu , Shuangyang Li , Zhongxiang Wei , Gan Zheng , Izzat Darwazeh

In Internet of Things (IoT), radio frequency fingerprints (RFF) technology has been widely used for passive security authentication to identify the special emitter. However, few works took advantage of independent oscillator distortions at…

Signal Processing · Electrical Eng. & Systems 2023-07-12 Xiaofang Chen , Wenbo Xu , Yue Wang

Autonomous Unmanned Aerial Vehicles (UAVs) must reliably detect thin obstacles such as wires, poles, and branches to navigate safely in real-world environments. These structures remain difficult to perceive because they occupy few pixels,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Negar Fathi

Orthogonal time frequency space (OTFS) is a two-dimensional modulation technique that uses the delay-Doppler (DD) domain and is a candidate for providing robust, high-capacity wireless communications for envisioned 6G and beyond networks.…

Signal Processing · Electrical Eng. & Systems 2025-10-24 Burak Ahmet Ozden , Erdogan Aydin , Emir Aslandogan , Haci Ilhan , Ertugrul Basar , Miaowen Wen , Marco Di Renzo , Vincent Poor

Energy sampling-based interference detection and identification (IDI) methods collide with the limitations of commercial off-the-shelf (COTS) IoT hardware. Moreover, long sensing times, complexity and inability to track concurrent…

Signal Processing · Electrical Eng. & Systems 2018-12-12 Simone Grimaldi , Aamir Mahmood , Mikael Gidlund

While critical for the practical progress of spectrum sharing, modulation recognition has so far been investigated under unrealistic assumptions: (i) a transmitter's bandwidth must be scanned alone and in full, (ii) prior knowledge of the…

Signal Processing · Electrical Eng. & Systems 2020-05-11 Wei Xiong , Karyn Doke , Petko Bogdanov , Mariya Zheleva

This letter presents ShuffleFAC, a lightweight acoustic model for ship-radiated sound classification in resource-constrained maritime monitoring systems. ShuffleFAC integrates Frequency-Aware convolution into an efficiency-oriented backbone…

Sound · Computer Science 2026-01-21 Sangwon Park , Dongjun Kim , Sung-Hoon Byun , Sangwook Park

Smartphones, wearables, and Internet of Things (IoT) devices produce a wealth of data that cannot be accumulated in a centralized repository for learning supervised models due to privacy, bandwidth limitations, and the prohibitive cost of…

Machine Learning · Computer Science 2020-07-28 Aaqib Saeed , Flora D. Salim , Tanir Ozcelebi , Johan Lukkien

With the increasing number and enhanced capabilities of IoT devices in smart buildings, these devices are evolving beyond basic data collection and control to actively participate in deep learning tasks. Federated Learning (FL), as a…

Machine Learning · Computer Science 2025-04-15 Heqiang Wang , Xiang Liu , Yucheng Liu , Jia Zhou , Weihong Yang , Xiaoxiong Zhong

Deep learning based device fingerprinting has emerged as a key method of identifying and authenticating devices solely via their captured RF transmissions. Conventional approaches are not portable to different domains in that if a model is…

Cryptography and Security · Computer Science 2022-09-05 Jared Gaskin , Bechir Hamdaoui , Weng-Keen Wong

Radio frequency (RF) fingerprinting exploits hardware imperfections for device identification, but distinguishing between same-model devices remains challenging due to their minimal hardware variations. Existing datasets for RF…

Networking and Internet Architecture · Computer Science 2025-11-24 Zewei Guo , Zhen Jia , JinXiao Zhu , Wenhao Huang , Yin Chen

The rapid expansion of Internet of Things (IoT) deployments has enlarged the attack surface of modern digital infrastructure while exposing a key security mismatch: many intrusion detection systems (IDSs) remain too computationally…

Cryptography and Security · Computer Science 2026-05-06 Dileepa Mabulage , Banuka Athuraliya