Results 21 to 30 of about 101 (82)
An online frequency allocation strategy for multi‐carrier radar against spot jammer
IET Radar, Sonar &Navigation, Volume 18, Issue 11, Page 2349-2361, November 2024.A novel online frequency allocation method is proposed for a Cognitive Multi Carrier Radar (CMCR) against spot jammer. The online frequency allocation problem is formulated as a combinatorial Multi‐Armed Bandit problem, and solved by an efficient aDaptive Accept Reject (DART) method. In addition, a sliding window change point indicator is introduced to
Zhao Shan +3 more
wiley +1 more source
On the Antijamming Performance of the NR‐DCSK System
Security and Communication Networks, Volume 2018, Issue 1, 2018., 2018 This paper investigates the antijamming performance of the NR‐DCSK system. We consider practical jamming environments including broadband jamming (BBJ), partial‐time jamming (PTJ), tone jamming (TJ), and sweep jamming (SWJ). We first analytically derived the bit error rates of the system under the BBJ and the PTJ.
Binh Van Nguyen +3 more
wiley +1 more source
Advanced Intelligent Systems, Volume 6, Issue 8, August 2024.This article reviews intelligent communication anti‐jamming evolution from adaptive methods to game theory and machine learning advancements. The concept of intelligent anti‐jamming is defined, and a system architecture is proposed. It highlights challenges, research findings, and future directions, aiming to provide a comprehensive understanding and ...
Quan Zhou, Yingtao Niu
wiley +1 more source
International Journal of Antennas and Propagation, Volume 2017, Issue 1, 2017., 2017 Interference suppression techniques have been intensively studied in nearly two decades due to their importance for maintaining the integrity and functionality of global navigation satellite system (GNSS). However, the interference suppression method applicable for the complex receiving environment in which there are multitype interfering signals has ...
Qiang Guo +2 more
wiley +1 more source
An Improved Lightweight YOLO Algorithm for Recognition of GPS Interference Signals in Civil Aviation
IET Signal Processing, Volume 2024, Issue 1, 2024.Considering several sources that cause global position system (GPS) interference in civil aviation and the challenges faced by interference recognition algorithms in terms of efficiency and accuracy, we propose an improved You Only Look Once (YOLO)v7‐CHS algorithm (YOLOv7‐CHS) and investigate its effectiveness in identifying GPS signals and different ...
Mian Zhong +8 more
wiley +1 more source
Information Security of PHY Layer in Wireless Networks
Journal of Sensors, Volume 2016, Issue 1, 2016., 2016 Since the characteristics of wireless channel are open and broadcasting, wireless networks are very vulnerable to be attacked via eavesdropping, jamming, and interference. As traditional secure technologies are not suitable for PHY layer of wireless networks, physical‐layer security issues become a focus of attention. In this paper, we firstly identify
Weidong Fang +7 more
wiley +1 more source
International Journal of Navigation and Observation, Volume 2014, Issue 1, 2014., 2014 Radio frequency interference detection and mitigation are becoming of paramount importance due to the increasing number of services and applications based on the position obtained by means of Global Navigation Satellite Systems. A way to cope with such threats is the implementation in the receiver of advanced signal processing algorithm able to raise ...
Luciano Musumeci +2 more
wiley +1 more source
Jurnal Teknik ITS, 2015 Dalam sistem komunikasi nirkabel, khususnya pada dunia komunikasi taktis atau militer, salah satu yang harus dihadapi adalah gangguan jamming.Salah satu sistem yang dapat mengatasi masalah tersebut adalah Direct Sequence Spread Spectrum (DSSS) dimana ...
Aditya Sukmana Putra +2 more
doaj
Multitone jamming of hybrid SFH/DS-MFSK communication systems
Electronics Letters, 1990 The performance of hybrid SFH/DS-MFSK systems under partial band multitone jamming is considered. The BER equation derived is appropriate for communication signals consisting of many M-ary symbols per DS code period, jammed by equally-spaced tones with random phase and possibly tone placement errors.
openaire +1 more source
Covert Communication Networks in Hostile Environments
, 2018 Security and Communication Networks, Volume 2018, Issue 1, 2018.
Kiseon Kim +2 more
wiley +1 more source