Results 231 to 240 of about 16,976 (274)

Randomized channel hopping scheme for anti-jamming communication

2010 IFIP Wireless Days, 2010
Jamming attacks have been recently studied as wireless security threats disrupting reliable RF communication in a wireless network. By emitting noise-like signals arbitrarily on the shared wireless medium, a jammer can easily disturb the network. Countermeasures such as Frequency-Hopping Spread Spectrum enable nodes to avoid the jamming attacks by ...
Eun-Kyu Lee, Soon Y. Oh, Mario Gerla
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Multi-Subchannel Spread Spectrum for Anti-jam Communications

2012 International Conference on Industrial Control and Electronics Engineering, 2012
This paper presents a novel anti-jamming wireless communication system called Multi-Subchannel Spread Spectrum (MSCSS). It is based on M-ary spread spectrum (SS), direct sequence spread spectrum (DS-SS), orthogonal frequency division multiplexing (OFDM), and multi-carrier code division multiple access (MC-CDMA).
Wang Ding, Zhao Yi-Xuan
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Anti-Jamming Communication Game for UAV-Aided VANETs

GLOBECOM 2017 - 2017 IEEE Global Communications Conference, 2017
Vehicular ad-hoc networks (VANETs) are vulnerable to jamming attacks, and frequency hopping-based anti- jamming techniques are not always applicable in VANETs due to the high mobility of the onboard units (OBUs) especially under a large scale network topology.
Xiaozhen Lu, Dongjin Xu, Liang Xiao, Lei Wang, Weihua Zhuang   +4 more
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A self-recovery scheme in anti-jamming communications

1996 IEEE International Conference on Acoustics, Speech, and Signal Processing Conference Proceedings, 2002
By exploiting the spatial diversity among different signals, anti-jamming communications can be accomplishing using antenna arrays. In this paper, we discuss the self-recovery problem for antenna array wireless systems after the communication link is broken due to abrupt environmental changes.
M. Torlak, null Guanghan Xu, null Hui Liu   +2 more
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Randomized positioning DSSS for anti-jamming wireless communications

2016 International Conference on Computing, Networking and Communications (ICNC), 2016
Traditional anti-jamming approaches like Frequency Hopping Spread Spectrum (FHSS) and Direct Sequence Spread Spectrum (DSSS) require the sender and the receiver to share a secret key prior to their communication. If this key is compromised by the jammer, the jammer can then generate the frequency hopping patterns or the spreading codes used by the ...
Ahmad Alagil, Meshari Alotaibi, Yao Liu
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Zero-Communication Seed Establishment for Anti-Jamming Techniques

Proceedings 2014 Workshop on Security of Emerging Networking Technologies, 2014
In an environment perturbed by malicious interference, establishing a reliable wireless connection without shared secrets typically relies on uncoordinated spread spectrum methods, such as UFHSS or UDSSS. These methods offer a lowthroughput channel for the exchange of key contributions with the goal to establish a shared secret.
Kim Pecina, Esfandiar Mohammadi, Christina Pöpper   +2 more
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Demo abstract: An anti-jamming wireless communication system

IEEE INFOCOM 2018 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS), 2018
This demonstration presents a real-time anti-jamming MIMO-OFDM wireless communication system that consists of a transmitter, a receiver, and a high-power wideband radio jammer. The key component of our system is a new PHY design for the receiver, which can mitigate jamming signal and recover the desired signal.
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Adaptive Algorithm for Anti-Jamming in Broadband Communication

Applied Mechanics and Materials, 2014
This paper presents a method to suppress narrowband interference in the direct sequence spread spectrum communication based frequency domain adaptive algorithm. The method determines the interference threshold by N-sigma algorithm and calculates the cut-off condition by separating the signal.
Jian Hua Cui, Nai Ping Cheng
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Mode Hopping for Anti-Jamming in 6G Wireless Communications

2021
Frequency hopping (FH) has been widely used as a powerful technique for anti-jamming in wireless communications. However, the existing radio wireless communication bearing form can no longer satisfied the requirements of business exponential growth in the frequency domain, which increases the difficulty to achieve efficient anti-jamming results with FH
Wenchi Cheng, Liping Liang, Wei Zhang, Hailin Zhang   +3 more
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Design and Implementation of Antenna Anti-Jamming Communication

2019 International Conference on Smart Grid and Electrical Automation (ICSGEA), 2019
Traditional square antenna anti-jamming communication is prone to errors, resulting in rapid deterioration or even failure of communication performance. Therefore, the anti-jamming RF front-end system based on antenna array is optimized, and the multi-channel antenna signal acquisition algorithm is designed to solve the problem that traditional antenna
Wang Weifeng, Cai Wei
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