Results 21 to 30 of about 2,312,058 (282)
Journal of Taibah University for Science, 2022 Four natural dyes were extracted from different fruits used in the Dye-sensitized solar cell (DSSC). It includes ber, blackberry, black grapes, and blueberry by individual dye or combined with other dyes.
Sirhan Al Batty +4 more
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Adaptive Subcarrier PSK Intensity Modulation in Free Space Optical Systems [PDF]
, 2010 We propose an adaptive transmission technique for free space optical (FSO) systems, operating in atmospheric turbulence and employing subcarrier phase shift keying (S-PSK) intensity modulation.
Athanasios S. Lioumpas +6 more
core +1 more source
A Model of OFDM based Maritime VHF Communication System for Data Exchange
Polish Maritime Research, 2018 In the maritime Very High Frequency (VHF) band, there are no systems for transmitting large amounts of data. Therefore, it is necessary to develop new systems that would modernize the Global Maritime Distress and Safety System (GMDSS), significantly ...
Valčić Sanjin +2 more
doaj +1 more source
Textual geolocation in Hebrew: mapping challenges via natural place description analysis
Journal of Spatial Information ScienceDescribing where a place is situated is an innate communication skill that relies on spatial cognition, spatial reasoning, and linguistic systems.
Tal Bauman +5 more
doaj +1 more source
OFDM Signal Research with Varied Subcarriers Number
Transport and Telecommunication, 2016 The orthogonal frequency division multiplexing (OFDM) aggregate signal energy characteristics are studied based on the OFDM signal simulation model. The information reliability of OFDM signal is explored for different sets of OFDM subcarrier numbers and ...
Uryvsky Leonid, Osypchuk Serhii
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On the BER of Multiple-Input Multiple-Output Underwater Wireless Optical Communication Systems
, 2015 In this paper we analyze and investigate the bit error rate (BER) performance of multiple-input multiple-output underwater wireless optical communication (MIMO-UWOC) systems.
Jamali, Mohammad Vahid, Salehi, Jawad A.
core +1 more source
A novel BCS code in F-OFDM system: a promising candidate for 5G wireless communication systems [PDF]
, 2021 Due to the rapid growth in wireless communication systems, Long Term Evolution (LTE), mainly based on Orthogonal Frequency Division Multiplexing (OFDM), no longer meets wireless communication systems request and higher data rate requirements. Thus,
Hussain, Ghasan Ali
core
Analisis Unjuk Kerja Sistem Digital Video Broadcast (DVB)
Jurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2012 DVB (Digital Video Broadcasting) adalah salah satu sistem yang digunakan untuk mentransmisikan siaran TV/Video digital hingga sampai ke pengguna akhir (end-user).
Dedi Usman Effendy +2 more
doaj +1 more source
General BER Expression for One-Dimensional Constellations
, 2012 A novel general ready-to-use bit-error rate (BER) expression for one-dimensional constellations is developed. The BER analysis is performed for bit patterns that form a labeling.
Agrell, Erik +3 more
core +1 more source
Error Propagation Mitigation in Sliding Window Decoding of Braided Convolutional Codes
, 2020 We investigate error propagation in sliding window decoding of braided convolutional codes (BCCs). Previous studies of BCCs have focused on iterative decoding thresholds, minimum distance properties, and their bit error rate (BER) performance at small to
Bai, Baoming, +5 more
core +1 more source