Search Results - "Khlifi, Abdelhakim"

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  1. 1

    An Accurate and Very Low Complexity LMMSE Channel Estimation Technique for OFDM Systems by Khlifi, Abdelhakim, Bouallegue, Ridha

    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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    Journal Article
  2. 2

    A Very Low Complexity LMMSE Channel Estimation Technique for OFDM Systems by Khlifi, Abdelhakim, Bouallegue, Ridha

    “…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. 3

    Study of a fast channel estimation technique for LTE Downlink systems based on fast linear Toeplitz system solver with displacement structure by Khlifi, Abdelhakim, Bouallegue, Ridha

    “…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. 4

    Real time parameter estimation for adaptive OFDM/OTFS selection by Darghouthi, Amina, Khlifi, Abdelhakim, Chibani, Belgacem

    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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    Journal Article
  5. 5

    Equalizers Performance Enhancing in MISO-OTFS Configuration by Darghouthi, Amina, Khlifi, Abdelhakim, Chibani, Belgacem

    “…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. 6

    Performance Analysis of 5G Waveforms over Fading Environments by Darghouthi, Amina, Khlifi, Abdelhakim, Chibani, Belgacem

    “…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
  7. 7

    Link Performance Analysis for GFDM Wireless Systems by Darghouthi, Amina, Khlifi, Abdelhakim, Benhmad, Taoufik, Chibani, Belgacem

    “…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
  8. 8

    PAPR Reduction in OTFS Systems Using Multi Weighted Fractional Fourier Transform Analysis by Salah, Fatma Ben, Khlifi, Abdelhakim, Rjili, Marwa, Chibani, Belgacem

    “…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
  9. 9

    An hybrid framework OTFS OFDM based on mobile speed estimation by Darghouthi, Amina, Khlifi, Abdelhakim, Shaiek, Hmaied, Salah, Fatma Ben, Chibani, Belgacem

    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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    Journal Article
  10. 10

    PAPR Reduction Based on FrFT in OFDM Systems by Salah, Fatma Ben, Khlifi, Abdelhakim, Rjili, Marwa, Chibani, Belgacem

    “…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. 11

    4G and 5G technologies: A Comparative Study by Hajlaoui, Emna, Zaier, Aida, Khlifi, Abdelhakim, Ghodhbane, Jihed, Hamed, Mouna Ben, Sbita, Lassaad

    “…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. 12

    An enhanced channel estimation technique with Adaptive Cyclic Prefix Length for LTE Downlink systems by Khlifi, Abdelhakim, Bouallegue, Ridha

    “…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. 13

    Performance Evaluation of LTE Physical Layer by Hajlaoui, Emna, Khlifi, Abdelhakim, Zaier, Aida, Ghodhbane, Jihed, Ben Hamed, Mouna, Sbita, Lassaad

    “…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. 14

    Comparison between Performances of Channel Estimation Techniques for CP-LTE and ZP-LTE Downlink Systems by Khlifi, Abdelhakim, Bouallegue, Ridha

    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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    Journal Article
  15. 15

    Hybrid LS-LMMSE Channel Estimation Technique for LTE Downlink Systems by Khlifi, Abdelhakim, Bouallegue, Ridha

    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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    Journal Article
  16. 16

    Performance Analysis of LS and LMMSE Channel Estimation Techniques for LTE Downlink Systems by Khlifi, Abdelhakim, Bouallegue, Ridha

    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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    Journal Article
  17. 17

    Fast channel estimation techniques for LTE downlink systems based on fast linear Toeplitz system solver by Khlifi, Abdelhakim, Bouallegue, Ridha

    “…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