Possibilities for Advanced Encoding Techniques at Signal Transmission in the Optical Transmission Medium

Čertík, Filip; Róka, Rastislav

doi:10.1155/2016/2385372

Cited by 7 publications

(3 citation statements)

References 19 publications

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“…Node1 received 9201 packets (4,710 MB) during the simulation with an average End-to-End delay value of 0,013 second. By testing the availability of node1, a packet loss of 78% was calculated according to formula (1). The RTT results reached a minimum and maximum value (1,261; 1,846), with the average of all values being 1,516 ms.…”

Section: Scenario No 2 With the Probability Of Discard P=05mentioning

confidence: 99%

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Security in VANET*

Hostak

Baroňák

2023

Preprint

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Despite the fact that VANET brings huge benefits they present many challenges in terms of communication security. Traffic safety and management require real-time information and can influence life or death decisions. Without security, the system is wide open to a number of attacks, the spread of false warnings but also the suppression of real warnings leading to traffic accidents. The article presents the classification of different types of attacks in VANET. In addition, there are different types of adversaries and attackers. We focus on demonstrating network attacks in order to assess their impact on parameters affecting the quality and availability of services such as delay, throughput and data loss. Thanks to the implementation of the transport protocols UDP, TCP and the ICMP service protocol, we were able to monitor the impact of attacks on individual data transmissions depending on the growing probability of packet infiltration. The increasing probability of infiltration leads to a complete degradation of the quality and availability of services, which also reduces the reliability of the network. In general, the purpose of this article is to provide information about security and privacy in VANET and to point out to security risks that may lead to suppression of the availability of services and increase the complexity of the network.

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Section: Scenario No 2 With the Probability Of Discard P=05mentioning

confidence: 99%

“…Finally, in the fifth part, we evaluate the results of the simulations. [1,2] 2 Security of VANET Is one of the most important challenges in the field of intelligent transport systems. Packets transmitted in VANET contain life critical information, so it is necessary to ensure that these packets are not modified by an attacker.…”

Section: Introductionmentioning

confidence: 99%

Security in VANET*

Hostak

Baroňák

2023

Preprint

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“…On the basis of different modulation studies on the proposed new high order modulation formats FSK-MQAM-PolSK modulation in channel conditions, multi-level simulation of the choice to become the focus, to ensure its transmission efficiency under certain circumstances in the symbol error rate [4]. A baseband signal and converts the string to obtain the upper and lower signals, to prepare for the polarization multiplexing.…”

Section: The Design Of the New Modulation Formatsmentioning

confidence: 99%

Optimal Design of High-Speed Optical Fiber Communication System Spectral Efficiency of New Modulation Formats

Fang

Zhang

Liu

et al. 2014

AMM

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As human society to the information in the process of moving and growing demand for bandwidth communications capacity, the optical of new modulation formats increasingly attention and quickly play an important role in optical communications. How can the system bit error rate within a certain degree of stability while still maintaining high-speed long-distance dispersal system, has been a popular issue is the optical communications industry. Starting from the optical modulation format herein, the generation process of the system introduced various optical signal modulation format, the optical signal through the optical fiber was studied and the performance of the simulation, on the basis of the design of advanced optical modulation formats in an optical fiber communication system .

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Performance analysis and selection of wavelength channels based on the FWM effect influence in optical DWDM systems

Róka

Mokráň

2022

Simulation Modelling Practice and Theory

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Possibilities for Advanced Encoding Techniques at Signal Transmission in the Optical Transmission Medium

Cited by 7 publications

References 19 publications

Security in VANET*

Security in VANET*

Optimal Design of High-Speed Optical Fiber Communication System Spectral Efficiency of New Modulation Formats

Performance analysis and selection of wavelength channels based on the FWM effect influence in optical DWDM systems

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