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Related papers: On the Security of Carrier Phase-based Ranging

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Coherent multistatic radio imaging represents a pivotal opportunity for forthcoming wireless networks, which involves distributed nodes cooperating to achieve accurate sensing resolution and robustness. This paper delves into cooperative…

The sparsity and the severe attenuation of millimeter-wave (mmWave) channel imply that highly directional communication is needed. The narrow beam produced by large array requires accurate alignment, which is difficult to achieve when…

Information Theory · Computer Science 2020-12-03 Yu Liu , Jiahui Li , Xiujun Zhang , Shidong Zhou

Current LLM safety defenses fail under decomposition attacks, where a malicious goal is decomposed into benign subtasks that circumvent refusals. The challenge lies in the existing shallow safety alignment techniques: they only detect harm…

Cryptography and Security · Computer Science 2025-06-17 Chen Yueh-Han , Nitish Joshi , Yulin Chen , Maksym Andriushchenko , Rico Angell , He He

Advanced industrial applications for human-machine interaction such as augmented reality support for maintenance works or mobile control panels for operating production facility set high demands on underlying wireless connectivity solution.…

We develop provably safe and convergent reinforcement learning (RL) algorithms for control of nonlinear dynamical systems, bridging the gap between the hard safety guarantees of control theory and the convergence guarantees of RL theory.…

Machine Learning · Computer Science 2024-03-08 Wesley A. Suttle , Vipul K. Sharma , Krishna C. Kosaraju , S. Sivaranjani , Ji Liu , Vijay Gupta , Brian M. Sadler

In Wireless Sensor Networks, sensors are used for tracking objects, monitoring health and observing a region/territory for different environmental parameters. Coverage problem in sensor network ensures quality of monitoring a given region.…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-11-16 Dinesh Dash , Anurag Dasgupta

In addition to satellite systems, carrier phase positioning (CPP) is gaining attraction also in terrestrial mobile networks, particularly in 5G New Radio evolution toward 6G. One key challenge is to resolve the integer ambiguity problem, as…

Signal Processing · Electrical Eng. & Systems 2026-01-09 Ehsan Shourezari , Ossi Kaltiokallio , Mehmet C. Ilter , Jukka Talvitie , Gonzalo Seco-Granados , Henk Wymeersch , Mikko Valkama

Imitation learning (IL) has shown great success in learning complex robot manipulation tasks. However, there remains a need for practical safety methods to justify widespread deployment. In particular, it is important to certify that a…

As the next generation of wireless system targets at providing a wider range of services with divergent QoS requirements, new applications will be enabled by the fifth generation (5G) network. Among the emerging applications,…

Networking and Internet Architecture · Computer Science 2018-02-26 Ji Lianghai , Andreas Weinand , Bin Han , Hans D. Schotten

Low-power wide-area network technologies such as LoRaWAN are promising for collecting low-rate monitoring data from geographically distributed sensors, in which timestamping the sensor data is a critical system function. This paper…

Networking and Internet Architecture · Computer Science 2021-07-13 Chaojie Gu , Linshan Jiang , Rui Tan , Mo Li , Jun Huang

Rapidly and randomly drifted reference frames will shorten the link distance and decrease the secure key rate of realistic quantum key distribution (QKD) systems. However, an actively or inappropriately implemented calibration scheme will…

Quantum Physics · Physics 2021-04-05 Bang-Ying Tang , Huan Chen , Ji-Peng Wang , Hui-Cun Yu , Lei Shi , Shi-Hai Sun , Wei Peng , Bo Liu , Wan-Rong Yu

The spectrum-rich millimeter wave (mmWave) frequencies have the potential to alleviate the spectrum crunch that the wireless and cellular operators are already experiencing. However, compared with traditional wireless communication in the…

Networking and Internet Architecture · Computer Science 2020-09-07 Chanaka Samarathunga , Mohamed Abouelseoud , Kazuyuki Sakoda , Morteza Hashemi

Millimeter wave (mmWave) and sub-THz communications, foreseen for sixth generation (6G), suffer from high propagation losses which affect the network coverage. To address this point, smart entities such as network-controlled repeaters…

Signal Processing · Electrical Eng. & Systems 2024-02-19 Diego A. Sousa , Fco. Rafael M. Lima , Victor F. Monteiro , Tarcisio F. Maciel , Behrooz Makki

Short-range audio channels have a few distinguishing characteristics: ease of use, low deployment costs, and easy to tune frequencies, to cite a few. Moreover, thanks to their seamless adaptability to the security context, many techniques…

Cryptography and Security · Computer Science 2022-08-09 Maurantonio Caprolu , Savio Sciancalepore , Roberto Di Pietro

Malware presents a persistent threat to user privacy and data integrity. To combat this, machine learning-based (ML-based) malware detection (MD) systems have been developed. However, these systems have increasingly been attacked in recent…

Cryptography and Security · Computer Science 2025-05-19 Ping He , Yuhao Mao , Changjiang Li , Lorenzo Cavallaro , Ting Wang , Shouling Ji

As 3GPP systems have strengthened security at the upper layers of the cellular stack, plaintext PHY and MAC layers have remained relatively understudied, though interest in them is growing. In this work, we explore lower-layer exploitation…

Cryptography and Security · Computer Science 2026-02-12 Subangkar Karmaker Shanto , Imtiaz Karim , Elisa Bertino

There is the long-standing assumption that radio communication in the range of hundreds of meters needs to consume mWs of power at the transmitting device. In this paper, we demonstrate that this is not necessarily the case for some devices…

Networking and Internet Architecture · Computer Science 2017-11-20 Ambuj Varshney , Oliver Harms , Carlos Perez Penichet , Christian Rohner , Frederik Hermans , Thiemo Voigt

The impact of localization systems in our daily lives is increasing. As next-generation networks will introduce hyperconnectivity with the emerging applications, this impact will undoubtedly further increase, proliferating the importance of…

Cryptography and Security · Computer Science 2021-06-09 Caner Goztepe , Saliha Buyukcorak , Gunes Karabulut Kurt , Halim Yanikomeroglu

Low rate Distributed Denial of Service DDoS attacks have emerged as a major threat to containerized cloud infrastructures. Due to their low traffic volumes, these attacks can be difficult to detect and mitigate, potentially causing serious…

Cryptography and Security · Computer Science 2026-02-13 Ahmad Fareed , Bilal Al Habib , Anne Pepita Francis

Distributed phased Multiple-Input Multiple-Output (phased-MIMO) radar systems have attracted wide attention in target detection and tracking. However, the phase-shifting circuits in phased subarrays contribute to high power consumption and…

Signal Processing · Electrical Eng. & Systems 2025-04-18 Qian Li , Ziang Yang , Dou Li , Hongliang Zhang
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