Zobrazeno 1 - 10
of 60
pro vyhledávání: '"Hmaied Shaiek"'
Autor:
Chouaib Farhati, Souhaila Feki, Hmaied Shaiek, Ali Dziri, Abdeldjalil Aissa El Bey, Fatma Abdelkefi
Publikováno v:
IEEE Access, Vol 11, Pp 104754-104762 (2023)
One of the major problems faced in digital communication systems is Inter-Symbol Interference (ISI), induced by the propagation channel in the single carrier based systems. Classic digital equalization techniques based on pilot training sequences bec
Externí odkaz:
https://doaj.org/article/40504f1021e842a7b1559c62ae92c79a
Publikováno v:
IEEE Access, Vol 9, Pp 114235-114245 (2021)
5th generation systems (5G) will be based on Orthogonal Frequency Division Multiplexing (OFDM) multicarrier modulation technique. This modulation has a very high Peak to Average Power Ratio (PAPR). This high PAPR is a drawback when nonlinear Power Am
Externí odkaz:
https://doaj.org/article/ae71aa4b0bad4723924a5c5adf1fa08f
Publikováno v:
IEEE Access, Vol 7, Pp 29441-29452 (2019)
This paper studies the performance of enhanced multicarrier waveforms in the presence of a nonlinear memoryless high power amplifier (HPA). In particular, we focus on the in-band non-linear distortions (NLD) and their effects on symbol-error-rate. Fi
Externí odkaz:
https://doaj.org/article/5323e03fadaf444b88d6fa3a6724d931
Publikováno v:
IEEE Access, Vol 7, Pp 25474-25484 (2019)
We investigate the peak-to-average power ratio (PAPR) reduction problem in orthogonal frequency-division multiplexing-based massive multi-user (MU) multiple-input multiple-output (MIMO) downlink systems. In this paper, we develop a downlink transmiss
Externí odkaz:
https://doaj.org/article/63375823938a481d91aff703b05f621f
Publikováno v:
IEEE Access, Vol 7, Pp 177164-177176 (2019)
The extremely diverse service requirements is an important challenge for the upcoming fifth-generation (5G) wireless communication technologies. Orthogonal frequency division multiplexing (OFDM)-based massive multiple-input multiple-output (MIMO) and
Externí odkaz:
https://doaj.org/article/e6fc34e25c114091ac8000e903816725
Autor:
Rafik Zayani, Hmaied Shaiek, Xinying Cheng, Xiaotian Fu, Christophe Alexandre, Daniel Roviras
Publikováno v:
IEEE Access, Vol 6, Pp 67665-67680 (2018)
This paper details an experimental testbed conceived for studying the capability of new multicarrier waveforms to accommodate 5G requirements. Testbed experiments are done with an implementation of cyclically prefixed orthogonal frequency division mu
Externí odkaz:
https://doaj.org/article/bc8d8c26ab534851beffb1ee40dd3090
Autor:
Yahia Medjahdi, Sylvain Traverso, Robin Gerzaguet, Hmaied Shaiek, Rafik Zayani, David Demmer, Rostom Zakaria, Jean-Baptiste Dore, Mouna Ben Mabrouk, Didier Le Ruyet, Yves Louet, Daniel Roviras
Publikováno v:
IEEE Access, Vol 5, Pp 26556-26581 (2017)
During the past few years, we are witnessing the emergence of 5G and its high-level performance targets. Waveform (WF) design is one of the important aspects for 5G that received considerable attention from the research community in recent years. To
Externí odkaz:
https://doaj.org/article/4d581cf14fc440f1abed61edbd02a13b
Autor:
Hmaied Shaiek, Jean Marc Boucher
Publikováno v:
EURASIP Journal on Audio, Speech, and Music Processing, Vol 2010 (2010)
Externí odkaz:
https://doaj.org/article/78527789caba4ea298e9b0b5d7d109b3
Publikováno v:
2023 IEEE Wireless Communications and Networking Conference (WCNC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e881b4b977ed2cddc7508d4a26cde0e3
https://doi.org/10.1109/wcnc55385.2023.10118931
https://doi.org/10.1109/wcnc55385.2023.10118931
Autor:
Salim Faci, Adda Ali-Pacha, Christophe Alexandre, Daniel Roviras, Hmaied Shaiek, Khaled Tahkoubit
Publikováno v:
2021 International Conference on Software, Telecommunications and Computer Networks (SoftCOM)
2021 International Conference on Software, Telecommunications and Computer Networks (SoftCOM), Sep 2021, Split, France. pp.1-5, ⟨10.23919/SoftCOM52868.2021.9559085⟩
SoftCOM
2021 International Conference on Software, Telecommunications and Computer Networks (SoftCOM), Sep 2021, Split, France. pp.1-5, ⟨10.23919/SoftCOM52868.2021.9559085⟩
SoftCOM
Linearization and peak to average power ration reduction are two classical operations when non-linear power amplifiers (PA) are used. If only PA linearization is considered, the high crest factor (PAPR) of the amplified signal causes saturation when
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::002f55927a72203eecf9482a06118e80
https://hal-cnam.archives-ouvertes.fr/hal-03389346
https://hal-cnam.archives-ouvertes.fr/hal-03389346
