Results 261 to 270 of about 180,161 (298)
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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.
Nai Ping Cheng, Jian Hua Cui
openaire   +2 more sources

Novel Spread Spectrum Communication Theory and the Anti-jamming Applications [PDF]

open access: possible2021 6th International Conference on Inventive Computation Technologies (ICICT), 2021
In modern engineering practice, a random sequence is widely used in information security, cryptography, automatic control, digital communication, radar, acoustic and optical measurement, and fault detection of the digital network system, etc. Chaos is a nonlinear dynamic system, a kind of always confined to a limited area, and orbit is never repeated ...
Shanwen Zhang   +2 more
openaire   +1 more source

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
Liping Liang   +3 more
openaire   +2 more sources

Dynamic Spectrum Anti-Jamming Communications: Challenges and Opportunities

IEEE Communications Magazine, 2020
Due to the openness of the transmission medium, it is necessary for radio systems to have anti-jamming abilities. Traditional anti-jamming methods such as sequence-based frequency hopping and direct sequence spread spectrum have shortcomings of low spectral efficiency and fixed communication patterns.
Luliang Jia   +6 more
openaire   +2 more sources

Two-dimensional anti-jamming communication based on deep reinforcement learning

IEEE International Conference on Acoustics, Speech, and Signal Processing, 2017
In this paper, a two-dimensional anti-jamming communication scheme for cognitive radio networks is developed, in which a secondary user (SU) exploits both spread spectrum and user mobility to address jamming attacks, while not interfering with primary ...
Guoan Han, Liang Xiao, H. Poor
semanticscholar   +1 more source

An anti-jamming framework of spread spectrum communications with ICA

SPIE Proceedings, 2012
When jamming signal is strong enough, the performance of spread spectrum (SS) communications will decline quickly. According to the independence between the SS signal and the jamming signal in baseband, a novel anti-jamming framework of SS communication with independent component analysis (ICA) is proposed in this paper.
Mingyue Wang, Shengyong Guan, Miao Yu
openaire   +2 more sources

Multi-Functional RIS-Assisted Semantic Anti-Jamming Communication and Computing in Integrated Aerial-Ground Networks

IEEE Journal on Selected Areas in Communications
Mobile edge computing-assisted integrated aerial-ground network (MEC-IAGN) emerges as a promising key component of the sixth-generation (6G) wireless networks due to its potential capabilities in providing ubiquitous connectivity for global coverage and ...
Yifu Sun   +8 more
semanticscholar   +1 more source

Anti-jamming Communication Transmission Based on Adaptive Mode Optimization and Preferred Channel Selection

2024 16th International Conference on Communication Software and Networks (ICCSN)
With the advancement of communication technology and the proliferation of diverse wireless devices, the electromagnetic spectrum environment has grown increasingly intricate and highly vulnerable to various forms of electromagnetic jamming, potentially ...
Jiying Zhang   +5 more
semanticscholar   +1 more source

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
openaire   +2 more sources

Intelligent Anti-Jamming Communication with Continuous Action Decision for Ultra-Dense Network

ICC 2019 - 2019 IEEE International Conference on Communications (ICC), 2019
This paper addresses the issue of anti-jamming communication in dynamic and unknown environment for ultradense network (UDN). A deep reinforcement learning based antijamming algorithm is proposed by exploiting the frequency-hopping technology to cope ...
Wei Li   +5 more
semanticscholar   +1 more source

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