Zobrazeno 1 - 10
of 6 986
pro vyhledávání: '"Frequency Hopping"'
Autor:
Mohammed Abdrabou, Fayez Gebali, Mahmoud A. Shawky, Ala S. Alluhaidan, Ahmed E. Mansour, Sahar A. El-Rahman, Ayman Al-ahwal, Tamer Shamseldin
Publikováno v:
EURASIP Journal on Wireless Communications and Networking, Vol 2024, Iss 1, Pp 1-21 (2024)
Abstract Recently, low Earth orbit (LEO) satellites have emerged as key players in space information network (SIN) due to their ability to provide global coverage. However, they remain susceptible to threats such as denial of service (DoS), man-in-th
Externí odkaz:
https://doaj.org/article/51b7f052aaa54c3382f8180b1cb94451
Autor:
Zhang Yinjun
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-23 (2024)
Abstract This study presents an innovative hexagonal deployment model designed specifically for wireless sensor networks (WSNs) with a primary application in precision agriculture. The proposed protocol integrates advanced features, notably an adapti
Externí odkaz:
https://doaj.org/article/0f5fd741e3ee4d1da7b3b2844b774535
Publikováno v:
Zhejiang dianli, Vol 43, Iss 7, Pp 37-44 (2024)
In the wide area measurement system （WAMS） of a province， occasional frequency hopping has been observed in digital phasor measurement unit （PMU） within an intelligent substation. Firstly， dynamic data records and waveform files are retri
Externí odkaz:
https://doaj.org/article/d2bd1dd365cb4b71b58e1667b56e10e8
Publikováno v:
Ain Shams Engineering Journal, Vol 15, Iss 11, Pp 103016- (2024)
Frequency hopping is a main technique for wireless communication, avoiding interference and interception. This paper provides novel hardware design for frequency-hopping pseudorandom bit generator (PRBG).PRBG design by chaotic maps on FPGA.Two propos
Externí odkaz:
https://doaj.org/article/142e541160464822bc2062444056f893
Autor:
Limengnan Zhou, Hanzhou Wu
Publikováno v:
Entropy, Vol 26, Iss 11, p 948 (2024)
As a means of spread spectrum communication, frequency-hopping technology has good performance in anti-jamming, multiple-access, security, covert communications, and so on. In order to meet the needs of different frequency-hopping multiple-access (FH
Externí odkaz:
https://doaj.org/article/fd9642e384d24d2c8c64d1ef3a773d07
Akademický článek
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Frequency-Hopping Optical Stealth Communication System Based on Supercontinuum Spectrum Laser Source
Autor:
Han Zhou, Jilin Zheng, Tao Pu, Jiaqi Zhao, Jin Li, Yukai Chen, Mengqi Zhao, Hua Zhou, Han Xue, Yang Liu
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 6, Pp 1-10 (2024)
A frequency-hopping optical stealth communication scheme based on a supercontinuum spectrum laser source is proposed and demonstrated in a proof-of-principle experiment. In this system, the frequency bands of the wavelength selective switch (WSS) tur
Externí odkaz:
https://doaj.org/article/e52cdd6b0da246aeabe32520a042d246
Publikováno v:
IEEE Access, Vol 12, Pp 41688-41703 (2024)
At present, an increasing number of small UAVs(Unmanned Aerial Vehicles) are commercialized and common, and the application of small UAVs has very good development prospects, such as UAV distribution services, UAV aerial photography services, and UAV
Externí odkaz:
https://doaj.org/article/ca4b2001d9d442b599935fd55da2b823
Autor:
C. Atheeq, Zameer Gulzar, Mana Saleh Al Reshan, Hani Alshahrani, Adel Sulaiman, Asadullah Shaikh
Publikováno v:
IEEE Access, Vol 12, Pp 38685-38699 (2024)
Drones, also known as unmanned aerial vehicles (UAVs), are becoming more and more widespread for a variety of uses, including delivery, inspection, and monitoring. On the other hand, safe communication between drones is a crucial problem that must be
Externí odkaz:
https://doaj.org/article/48c33035229748b38723875e324d17be
Publikováno v:
Applied Sciences, Vol 14, Iss 22, p 10478 (2024)
In consideration of the prevailing methodology for constructing G functions, there are certain limitations such as fixed change rules and restricted flexibility when producing frequency-hopping sequences. This paper introduces a novel construction me
Externí odkaz:
https://doaj.org/article/1dc3155798ad4ea6ac78240fd408ca24