Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Ali Djebbari"'
Publikováno v:
Journal of Telecommunications and Information Technology, Vol 2, Iss 2 (2024)
In this paper, channel estimation capabilities of a multiple-input multiple-output (MIMO) system using superimposed training sequences are investigated. A new expression for estimation-error variance is derived. It is shown that the training sequence
Externí odkaz:
https://doaj.org/article/c4988bb43e1c4c498691de69ee854f05
Autor:
Ali Djebbari, Sid Ahmed Elahmar
Publikováno v:
Journal of Telecommunications and Information Technology, Iss 1 (2022)
This article presents a study on the use of deterministic least squares criteria combined with the minimum mean square error method for the purpose of computing filter coefficients of the channel shortening equalizer. This method is well known to all
Externí odkaz:
https://doaj.org/article/dee9bf0b95ca43f8b8f12ab997e622e8
Autor:
Mouad Addad, Ali Djebbari
Publikováno v:
Journal of Telecommunications and Information Technology, Iss 3 (2018)
Visible light communication (VLC) is a promising technology for wireless communication networks. Optical code division multiple access (OCDMA) is a strong candidate for VLC-based applications. The predominant source of bit error in OCDMA is the multi
Externí odkaz:
https://doaj.org/article/0b69d596443e463ebdb59769a00946f8
Autor:
Mouad Addad, Ali Djebbari
Publikováno v:
Journal of Telecommunications and Information Technology, Iss 3 (2018)
In order to meet the demand of high data rate transmission with good quality maintained, the multi-carrier code division multiple access (MC-CDMA) technology is considered for the next generation wireless communication systems. However, their high cr
Externí odkaz:
https://doaj.org/article/ef2f605a9ed84fd383e5e7856bf37abd
Publikováno v:
Journal of Telecommunications and Information Technology, Iss 4 (2017)
Image compression is an essential stage of the data archiving and transmitting process, as it reduces the number of bits and the time required to complete the transmission. In this article, a study of image transmission over the Multi-Carrier Code Di
Externí odkaz:
https://doaj.org/article/ac829c34461d4dd1aac91be10ac49068
Publikováno v:
IEEE Communications Letters. 26:2755-2758
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35948d893d4331870daf2c71861c3841
https://doi.org/10.1109/lcomm.2022.3194328
https://doi.org/10.1109/lcomm.2022.3194328
Publikováno v:
2022 International Conference of Advanced Technology in Electronic and Electrical Engineering (ICATEEE).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33780e3995c647fd3e9137835104e90c
https://doi.org/10.1109/icateee57445.2022.10093700
https://doi.org/10.1109/icateee57445.2022.10093700
Autor:
Ali Djebbari, Mouad Addad
Publikováno v:
IEEE Sensors Journal. 21:907-913
This paper proposes a method for simultaneous fault diagnosis of multiple cable based on Sequence Time Domain Reflectometry (STDR) using Zero Correlation Zone (ZCZ) codes. Due to the ideal autocorrelation and cross-correlation properties of ZCZ codes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d93ad2b398f5b05b59f8c5545b9bb3e
https://doi.org/10.1109/jsen.2020.2986382
https://doi.org/10.1109/jsen.2020.2986382
Autor:
Mouad Addad, Ali Djebbari
Publikováno v:
IEEE Sensors Journal. 21:914-920
Spread spectrum reflectometry has been shown to be an effective method for continuous health monitoring of electrical systems in many different applications. The suitability of Zero Correlation Zone (ZCZ) sequences in Sequence Time Domain Reflectomet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::671734560b0f41ec64b82ec124d60a99
https://doi.org/10.1109/jsen.2020.3009182
https://doi.org/10.1109/jsen.2020.3009182
Autor:
Ali Djebbari, Mouad Addad
Publikováno v:
IET Communications. 14:1992-1996
In this study, the authors consider the effect of multiple access interference (MAI) on the performance of a quasi-synchronous multicarrier direct-sequence code-division multiple access (QS-MC-DS-CDMA) system. An analytical expression of the bit erro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc989df27e2a82fcd2786a1672f6b96d
https://doi.org/10.1049/iet-com.2019.1075
https://doi.org/10.1049/iet-com.2019.1075