Results 21 to 30 of about 324,497 (361)
Exact BER of Rectangular-Constellation QAM Subjected to Asynchronous Co-Channel Interference and Nakagami-m Fading [PDF]
The exact average bit error ratio (BER) of the rectangular quadrature amplitude modulation (QAM) constellation is studied in the context of asynchronous co-channel interference (CCI) and Nakagami-m fading.
Liu, X. +3 more
core +1 more source
Performance Analysis of Turbo Codes
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
doaj +1 more source
�ber Brechungsexponenten tr�ber Medien [PDF]
n ...
openaire +2 more sources
Exact BER performance of asynchronous MC-DS-CDMA over Nakagami-m fading channels [PDF]
In this contribution an accurate average bit error rate (BER) formula is derived for Nakagami-faded MC-DSCDMA in the context of asynchronous transmissions and random spreading sequences.
Smida, Besma +5 more
core +1 more source
Analysis of Possibilities of Increasing the Spanned Distance Using EDFA and DRA in DWDM System
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
doaj +1 more source
Accurate BER Analysis of Asynchronous DS-CDMA Systems in Ricean Channels [PDF]
The accurate Bit Error Rate (BER) calculation of an asynchronous Ricean-faded DS-CDMA system using random spreading sequences and BPSK modulation is studied in this paper.
Liu, X. +3 more
core +1 more source
On approximation in the Bers spaces [PDF]
Let D D be a Jordan domain in the complex plane with rectifiable boundary
openaire +1 more source
Phase Modulation Orthogonal Frequency Division Multiplexing (PM-OFDM) and Code Division Multiple Access (CDMA) have distinctive advantages. On one hand, PM-OFDM is an attractive technique to combat multipath fading and reduce high PAPR in conventional ...
Jamal Mestoui
doaj +1 more source
Information Hiding in Color Image based on LSB and FA [PDF]
In this research was to hide information in color images of the type of Joint Photographic Experts Group (JPEG) using hiding technique Least Significant Bit (LSB) with Firefly algorithm.
Dr. Ahmed Sami Nori, Jasim Ibrahim Jasim
doaj +1 more source
Desain Program Simulasi Unjuk Kerja Kode Walsh Pada Kanal Multipath Fading
Penelitian ini bertujuan untuk mengetahui pengaruh perubahan jumlah komponen multipath pada unjuk kerja kode Walsh pada kanal multipath fading melalui simulasi dengan menggunakan software Matlab.
Made Arya Putra Kusuma +3 more
doaj +1 more source

