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We consider a basic joint communication and sensing setup comprising a transmitter, a receiver and a sensor. The transmitter sends a codeword to the receiver through a discrete memoryless channel, and the receiver is interested in decoding…

Information Theory · Computer Science 2024-12-09 Han Wu , Hamdi Joudeh

In this paper, we study distributed channel triggering mechanisms for wireless networked control systems (WNCSs) for conventional and smart sensors, i.e., sensors without and with computational power, respectively. We first consider the…

Systems and Control · Electrical Eng. & Systems 2021-04-08 Tahmoores Farjam , Themistoklis Charalambous

The proliferation of Internet of Things (IoT) devices has increased the need for secure authentication. While traditional encryption-based solutions can be robust, they often impose high computational and energy overhead on resource-limited…

Signal Processing · Electrical Eng. & Systems 2025-02-06 Muhammad Aqib Khan , Muhammad Usman Siddiqui

Specific emitter identification (SEI) utilizes passive hardware characteristics to authenticate transmitters, providing a robust physical-layer security solution. However, most deep-learning-based methods rely on extensive data or require…

Signal Processing · Electrical Eng. & Systems 2025-12-19 Chenyu Zhu , Zeyang Li , Ziyi Xie , Jie Zhang

Deep learning has significantly advanced wireless sensing technology by leveraging substantial amounts of high-quality training data. However, collecting wireless sensing data encounters diverse challenges, including unavoidable data noise,…

Signal Processing · Electrical Eng. & Systems 2023-12-25 Hanxiang He , Han Hu , Xintao Huan , Heng Liu , Jianping An , Shiwen Mao

Accurate channel state information (CSI) acquisition is essential for modern wireless systems, which becomes increasingly difficult under large antenna arrays, strict pilot overhead constraints, and diverse deployment environments. Existing…

Information Theory · Computer Science 2026-03-17 Xingyu Zhou , Le Liang , Hao Ye , Jing Zhang , Chao-Kai Wen , Shi Jin

Undetectable wireless transmissions are fundamental to avoid eavesdroppers. To address this issue, wireless steganography hides covert information inside primary information by slightly modifying the transmitted waveform such that primary…

Cryptography and Security · Computer Science 2019-05-08 Salvatore D'Oro , Francesco Restuccia , Tommaso Melodia

Acquiring accurate channel state information (CSI) is critical for reliable and efficient wireless communication, but challenges such as high pilot overhead and channel aging hinder timely and accurate CSI acquisition. CSI prediction, which…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Mehdi Sattari , Javad Aliakbari , Alexandre Graell i Amat , Tommy Svensson

While neural lossy compression techniques have markedly advanced the efficiency of Channel State Information (CSI) compression and reconstruction for feedback in MIMO communications, efficient algorithms for more challenging and practical…

This letter proposes a new physical layer authentication mechanism operating at the physical layer of a communication system where the receiver has partial control of the channel conditions (e.g., using an intelligent reflecting surface).…

Information Theory · Computer Science 2025-01-30 Laura Crosara , Mahtab Mirmohseni , Stefano Tomasin

Physical-layer security (PLS) has the potential to strongly enhance the overall system security as an alternative to or in combination with conventional cryptographic primitives usually implemented at higher network layers. Secret-key…

Signal Processing · Electrical Eng. & Systems 2020-06-23 François Rottenberg , Trung-Hien Nguyen , Jean-Michel Dricot , François Horlin , Jérôme Louveaux

In this paper, the impact of in-band full-duplex (IBFD) wireless communications on secret key generation via physical layer channel state information is investigated. A key generation strategy for IBFD wireless devices to increase the rate…

Information Theory · Computer Science 2016-10-06 Alireza Sadeghi , Michele Zorzi , Farshad Lahouti

Recompositing channel state information (CSI) from the beamforming feedback matrix (BFM), which is a compressed version of CSI and can be captured because of its lack of encryption, is an alternative way of implementing firmware-agnostic…

Signal Processing · Electrical Eng. & Systems 2022-06-06 Hiroki Shimomura , Yusuke Koda , Takamochi Kanda , Koji Yamamoto , Takayuki Nishio , Akihito Taya

Quantum technologies rely on high-quality resource states, such as maximally entangled or private states, which are indispensable for quantum communication and cryptography. In practice, however, these states are inevitably degraded by…

Quantum Physics · Physics 2026-03-05 Christopher Popp , Tobias C. Sutter , Beatrix C. Hiesmayr

Direct-sequence spread spectrum (DSSS) has been recognized as an effective jamming resilient technique. However, the effectiveness of DSSS relies on the use of either pre-shared unique secret keys or a bank of public codes, which can be…

Information Theory · Computer Science 2018-03-21 Jay Prakash , Chenxi Liu , Jemin Lee , Tony Q. S. Quek

We consider a decentralized detection problem in a power-constrained wireless sensor networks (WSNs), in which a number of sensor nodes collaborate to detect the presence of a deterministic vector signal. The signal to be detected is…

Information Retrieval · Computer Science 2015-10-28 Jun Fang , Hongbin Li , Zhi Chen , Shaoqian Li

Radio Frequency Fingerprinting Identification (RFFI) is a lightweight physical layer identity authentication technique. It identifies the radio-frequency device by analyzing the signal feature differences caused by the inevitable minor…

Cryptography and Security · Computer Science 2025-01-28 Donghong Cai , Jiahao Shan , Ning Gao , Bingtao He , Yingyang Chen , Shi Jin , Pingzhi Fan

Radio frequency fingerprint identification (RFFI) is an emerging device authentication technique, which exploits the hardware characteristics of the RF front-end as device identifiers. RFFI is implemented in the wireless receiver and acts…

Signal Processing · Electrical Eng. & Systems 2022-07-08 Guanxiong Shen , Junqing Zhang , Alan Marshall , Roger Woods , Joseph Cavallaro , Liquan Chen

This paper introduces an adaptive preprocessing technique to enhance the accuracy of channel state information-based physical layer authentication (CSI-PLA) alleviating CSI variations and inconsistencies in the time domain. To this end, we…

Signal Processing · Electrical Eng. & Systems 2025-12-19 Atsu Kokuvi Angelo Passah , Rodrigo C. de Lamare , Arsenia Chorti

The advent of 6G networks demands unprecedented levels of intelligence, adaptability, and efficiency to address challenges such as ultra-high-speed data transmission, ultra-low latency, and massive connectivity in dynamic environments.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Chen Zhu , Kang Liang , Jianrong Bao , Zhouxiang Zhao , Zhaohui Yang , Zhaoyang Zhang , Mohammad Shikh-Bahaei
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