Results 1 to 10 of about 230,515 (251)

Ormianie polscy w Besarabii

Lehahayer, 2017
Polish Armenians in Bessarabia Polish Armenians used to settle in Bessarabia since the early years of Russian rule in this province (after 1812). Initially their activities focused on the lease of land, rearing cattle and its export to Austria.
Jakub Ber
doaj   +1 more source

Genetic Algorithm-Based Optimization for Enhanced BER Performance in M-QAM-OFDM Systems [PDF]

Journal of Electrical and Electronics Engineering
In this paper, a GA-based method is proposed as a strategy to adjust system parameters under M-QAM-OFDM systems for the aim of enhancing performance, particularly in dynamic wireless environments.
MGAWE Bonny, KAZEMA Twahir
doaj  

Design and Analysis of a Hybrid LiFi-Based IoT System with RF Energy Harvesting for Enhanced Power Management

Mehran University Research Journal of Engineering and Technology
This research paper describes the detailed design of a hybrid system comprising of Light Fidelity (LiFi) communication and Radio Frequency energy harvesting (RFEH) to serve the Internet of Things (IoT) devices.
Ammar Afzal, Umer Ijaz, Muhammad Farhan
doaj   +1 more source

The method of high-speed digital data transfer over unsteady optic channel with using M-ary amplitude-shift keying for phased array antenna radar stations

Известия высших учебных заведений России: Радиоэлектроника, 2015
The problem of high-speed digital data transfer from a phased array antenna receiving module to the digital signal processing module with using domestically produced circuitry is concerned. The method of information transfer over nonlinear unsteady optic
A. I. Belyaev, A. V. Myakinkov
doaj  

Estimating the probability of messages delivery in an IoT system

Вестник Дагестанского государственного технического университета: Технические науки
Objective. The aim of the study is to develop a model for estimating the probability of message delivery in a medical Internet of Things (IoMT) system and to study the dependence of this value on the number of retransmissions used to compensate for ...
K. A. Polshchykov, T. N. Mahdi
doaj   +1 more source

Analyzing the impact of nonlinear distortions on OFDM-Based visible light communication systems

Al-Qadisiyah Journal for Engineering Science
Visible light communication (VLC) has gained attraction for its use in high-speed wireless connectivity leveraging LED lighting elements. Orthogonal Frequency Division Multiplexing (OFDM) is an attractive modulation scheme due to its spectral efficiency ...
Murtadha Ali Nsaif Shukur
doaj   +1 more source

OFDM system energy efficiency increasing method based on peak-factor decrease

Физика волновых процессов и радиотехнические системы, 2018
In this work the peak-factor decreasing method for the OFDM systems is proposed, based on the group spectrum subcarriers processing and the signal constellation rotation.
A.Kh. Sultanov, I.K. Meshkov, A.A. Ishmiyarov   +2 more
doaj  

Base excision repair in <i>Staphylococcus aureus</i>: a defense against oxidative DNA damage and a potential target for novel antibiotics. [PDF]

Front Microbiol
Turgimbayeva A, Yakupov B, Abeldenov S.
europepmc   +1 more source

Molecular Insights into Dynamic Relaxation in Vitrimers: Transesterification-Driven Self-Healing at the Atomistic Level. [PDF]

Materials (Basel)
Yuan H, Knight A, Jiang L, Huang L.
europepmc   +1 more source

Impact of micro-meteorological parameters on growth and productivity of mung bean under different agro-forestry system in arid Rajasthan

Journal of Agrometeorology, 2002
R.S. SINGH, J.P. GUPTA, A.S. RAO
doaj   +1 more source