Search Results - "Khlifi, Abdelhakim"
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An Accurate and Very Low Complexity LMMSE Channel Estimation Technique for OFDM Systems
Published in Wireless personal communications (01-06-2016)“…In this paper, we propose a very low linear minimum mean square error (LMMSE) channel estimation technique for orthogonal frequency division multiplexing…”
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2
A Very Low Complexity LMMSE Channel Estimation Technique for OFDM Systems
Published in 2015 IEEE 81st Vehicular Technology Conference (VTC Spring) (01-05-2015)“…In this paper, we propose a very low complexity Linear Minimum Mean Square Error (LMMSE) channel estimation technique for Orthogonal Frequency Division…”
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Conference Proceeding -
3
Study of a fast channel estimation technique for LTE Downlink systems based on fast linear Toeplitz system solver with displacement structure
Published in The International Conference on Information Networking 2014 (ICOIN2014) (01-02-2014)“…The traditional Linear Minimum Mean Square Error (LMMSE) channel estimation technique costs O(N 3 ) floating operations and O(N 2 ) memory locations where N…”
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Conference Proceeding -
4
Real time parameter estimation for adaptive OFDM/OTFS selection
Published 27-07-2024“…2024.volume 16, pages 109-129. AIRCCSE Future wireless communication systems must simultaneously address multiple challenges to ensure accurate data detection,…”
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5
Equalizers Performance Enhancing in MISO-OTFS Configuration
Published in 2023 IEEE International Workshop on Mechatronic Systems Supervision (IW_MSS) (02-11-2023)“…For future mobile communications networks, a key challenge is to offer and retain a number of parameters, like high data rates, while preserving a greater…”
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Conference Proceeding -
6
Performance Analysis of 5G Waveforms over Fading Environments
Published in 2021 International Wireless Communications and Mobile Computing (IWCMC) (28-06-2021)“…A major challenge of the new modulation techniques used in fifth generation (5G) is the robustness in a noisy environment. As used in 4G mobile networks, OFDM…”
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Conference Proceeding -
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Link Performance Analysis for GFDM Wireless Systems
Published in 2022 IEEE 21st international Ccnference on Sciences and Techniques of Automatic Control and Computer Engineering (STA) (19-12-2022)“…The most important challenge for the next mobile communications network is to afforde the highest data rates with the best quality of service (QoS). This must…”
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Conference Proceeding -
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PAPR Reduction in OTFS Systems Using Multi Weighted Fractional Fourier Transform Analysis
Published in 2024 16th International Conference on Human System Interaction (HSI) (08-07-2024)“…Orthogonal Time Frequency Space is a method used for modulation operating in the Delay-Doppler domain that has garnered significant interest in wireless…”
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Conference Proceeding -
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An hybrid framework OTFS OFDM based on mobile speed estimation
Published 19-06-2024“…2024.volume 16, pages 49-67. AIRCCSE The Future wireless communication systems face the challenging task of simultaneously providing high quality of service…”
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10
PAPR Reduction Based on FrFT in OFDM Systems
Published in 2024 21st International Multi-Conference on Systems, Signals & Devices (SSD) (22-04-2024)“…Orthogonal Frequency Division Multiplexing (OFDM) is a widely used modulation scheme for wireless communications. However, it suffers from a high…”
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Conference Proceeding -
11
4G and 5G technologies: A Comparative Study
Published in 2020 5th International Conference on Advanced Technologies for Signal and Image Processing (ATSIP) (01-09-2020)“…Driven by the growing demand for quality assured mobility; new promising technologies have emerged, such as 4G and 5G networks, in order to meet users' needs…”
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Conference Proceeding -
12
An enhanced channel estimation technique with Adaptive Cyclic Prefix Length for LTE Downlink systems
Published in 10th International Multi-Conferences on Systems, Signals & Devices 2013 (SSD13) (01-03-2013)“…In this paper, we propose a channel estimation algorithm robust to the channel length effect with an adaptive cyclic prefix technique for LTE Downlink systems…”
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Conference Proceeding -
13
Performance Evaluation of LTE Physical Layer
Published in 2019 International Conference on Internet of Things, Embedded Systems and Communications (IINTEC) (01-12-2019)“…Wireless networks have undergone an unprecedented expansion in recent years. This can be attributed to the deployment of successive telecommunications…”
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Conference Proceeding -
14
Comparison between Performances of Channel Estimation Techniques for CP-LTE and ZP-LTE Downlink Systems
Published 09-08-2012“…In this paper, we propose to evaluate the performance of channel estimation techniques for Long Term Evolution (LTE) Downlink systems based on Zero Padding…”
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15
Hybrid LS-LMMSE Channel Estimation Technique for LTE Downlink Systems
Published 10-01-2012“…International Journal of Next Generation Networks (IJNGN) Vol.3, No.4, December 2011, 1-13 In this paper, we propose to improve the performance of the channel…”
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16
Performance Analysis of LS and LMMSE Channel Estimation Techniques for LTE Downlink Systems
Published 07-11-2011“…International Journal of Wireless & Mobile Networks (IJWMN) Vol.3, No.5, October 2011, 141-149 The main purpose of this paper is to study the performance of…”
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17
Fast channel estimation techniques for LTE downlink systems based on fast linear Toeplitz system solver
Published in 16th International Conference on Advanced Communication Technology (01-02-2014)“…LTE is defined as the 4G generation network providing high data rates. Channel estimation is important in the wireless system conception. Classical LMMSE…”
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Conference Proceeding