BER and outage probability of DPSK subcarrier intensity modulated free space optics in fully developed speckle. [PDF]
, 2009 In this paper a differential phase shift keying (DPSK) subcarrier intensity modulated (SIM) free space optical (FSO) link is considered in negative exponential atmospheric turbulence environment.
Ghassemlooy, Zabih +2 more
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Performance study of a coexistence system in a PON network taking into account the stimulated scattering of Raman [PDF]
E3S Web of Conferences, 2022 Some problems introduced by the need for coexistence between a Passive Optical Network PON technologies (GPON, XGS-PON, and NG-PON2 in particular) especially the Stimulated Raman Scattering SRS which appears when different PON technologies transfer ...
Kherici Cheikh, Kandouci Malika
doaj +1 more source
Performance Analysis of Turbo Codes
Communications, 2013 The article focuses on the performance analyses of Turbo Codes. These codes belong to the group of error correction codes. By their use, it is possible to achieve high system performance.
Jakub Sedy +3 more
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Temporal and Spatial Data Mining with Second-Order Hidden Models [PDF]
, 2005 In the frame of designing a knowledge discovery system, we have developed stochastic models based on high-order hidden Markov models. These models are capable to map sequences of data into a Markov chain in which the transitions between the states depend
Ber, Florence Le, Mari, Jean-Francois
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Experimental and Analytical Investigations of an Optically Pre-Amplified FSO-MIMO System With Repetition Coding Over Non-Identically Distributed Correlated Channels [PDF]
, 2020 This paper presents theoretical and experimental bit error rate (BER) results for a freespace optical (FSO) multiple-input-multiple-output system over an arbitrarily correlated turbulence channel.
Bhatnagar, Manav R. +4 more
core +2 more sources
Analysis of Possibilities of Increasing the Spanned Distance Using EDFA and DRA in DWDM System
Communications, 2017 The aim of this article is a comparison of the EDFA (Erbium Doped Fibre Amplifier) and the DRA (Distributed Raman Amplifier) in a fully optical communication system, working on a specific wavelength. The amplifiers are compared based on their position in
Tomas Ivaniga +3 more
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Jurnal Elkomika, 2021 ABSTRAK Generasi telekomunikasi kelima (5G) diterapkan pada 2021 dengan frekuensi tinggi yang menyebabkan redaman yang besar dibandingkan pita sub-1 GHz. Penelitian ini mengkaji sistem 5G dengan frekuensi operasi 3,3 GHz dan bandwidth 99 MHz berdasarkan
RENI DYAH WAHYUNINGRUM +2 more
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Low Latency SC Decoder Architecture for Interleaved Polar Codes [PDF]
Radioengineering, 2022 Interleaved polar (I-Polar) codes, a new facet of polar codes to achieve better channel capacity, is designed by placing the interleaver and deinterleaver blocks midway between the stages of the polar codes.
N. Jali, P. Muralidhar, S. R. Patri
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Известия высших учебных заведений России: Радиоэлектроника, 2021 Introduction. Spectrally efficient frequency division multiplexing (SEFDM) is a promising technology for improving spectral efficiency. Since SEFDM signals transmitted on subcarriers are not orthogonal, interchannel interference occurs due to the mutual ...
S. B. Makarov +3 more
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Protection scheme of subcarrier index in OFDM with index modulation aided by LDPC coding
Xibei Gongye Daxue Xuebao, 2021 The receiver of OFDM with Index Modulation (OFDM-IM) usually adopts a Log Likelihood Ratio (LLR) detection algorithm based on the activation state of subcarriers.
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