Search Results - "Laurent, Ros"

Joint data QR-detection and Kalman estimation for OFDM time-varying Rayleigh channel complex gains by Hijazi, H., Ros, L.

“…This paper deals with the case of a high speed mobile receiver operating in an orthogonal-frequency-division-multiplexing (OFDM) communication system. Assuming…”
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Theoretical and Experimental Analysis of Asymmetrically Clipped-FSK VLC System by Khan, Muhammad Jehangir, Azim, Ali W., Le Guennec, Yannis, Maury, Ghislaine, Ros, Laurent

“…In this article, energy efficient asymmetrically clipped frequency-shift keying (AC-FSK) based visible light communication (VLC) system is theoretically and…”
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Enhanced Optical-OFDM With Index and Dual-Mode Modulation for Optical Wireless Systems by Azim, Ali Waqar, Le Guennec, Yannis, Chafii, Marwa, Ros, Laurent

“…In this article, we introduce intensity modulation and direct detection compatible enhanced optical-orthogonal frequency division multiplexing with index…”
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Contender waveforms for Low-Power Wide-Area networks in a scheduled 4G OFDM framework by Roth, Yoann, Doré, Jean-Baptiste, Ros, Laurent, Berg, Vincent

“…When designing new solutions for Low-Power Wide-Area (LPWA) networks, coexistence and integration into existing 4G frameworks should be considered to ease the…”
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Performance of fractional delay estimation in joint estimation algorithm dedicated to digital Tx leakage compensation in FDD transceivers by Gerzaguet, Robin, Ros, Laurent, Belvèze, Fabrice, Brossier, Jean-Marc

“…This paper deals with the performance of the fractional delay estimator in the joint complex amplitude/delay estimation algorithm dedicated to digital Tx…”
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Turbo-DC-FPSK: A Joint Turbo Coding and FPSK Based Modulation Scheme Adapted to Optical Wireless Communications by Paul, Miqueu, Jehangir, Khan Muhammad, Yannis, Le Guennec, Laurent, Ros

“…This letter proposes and analyzes a flexible and energy efficient technique for Optical Wireless Communication (OWC) systems. It involves the Direct Current -…”
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Sensitivity of Multicarrier Two-Dimensional Spreading Schemes to Synchronization Errors by Nasser, Youssef, des Noes, Mathieu, Ros, Laurent, Jourdain, Geneviève

“…This paper presents the impact of synchronization errors on the performance of a downlink multicarrier two-dimensional spreading OFDM-CDMA system. This impact…”
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In-phase and quadrature frequency-shift keying for low-power optical wireless communications by Azim, Ali Waqar, Le Guennec, Yannis, Ros, Laurent

“…This article proposes using in-phase and quadrature frequency-shift keying (IQFSK) modulation for low-power optical wireless communications (OWC). IQFSK…”
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Spectral and Energy Efficient Fast-OFDM With Index Modulation for Optical Wireless Systems by Azim, Ali Waqar, Chafii, Marwa, Le Guennec, Yannis, Ros, Laurent

“…This letter introduces fast-orthogonal frequency-division multiplexing (FOFDM) with index modulation (IM) based on discrete cosine transform (DCT) for optical…”
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Sensitivity of Multicarrier Two-Dimensional Spreading Schemes to Synchronization Errors by NASSER, Youssef, DES NOES, Mathieu, ROS, Laurent, JOURDAIN, Geneviève

“…This paper presents the impact of synchronization errors on the performance of a downlink multicarrier two-dimensional spreading OFDM-CDMA system. This impact…”
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Joint Carrier Frequency Offset and Channel Estimation for OFDM Systems via the EM Algorithm in the Presence of Very High Mobility by Simon, Eric Pierre, Ros, Laurent, Hijazi, Hussein, Ghogho, Mounir

“…In this paper, the problem of joint carrier frequency offset (CFO) and channel estimation for OFDM systems over the fast time-varying frequency-selective…”
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Filtered Asymmetrically Clipped Optical-OFDM With Index Modulation for Optical Wireless Systems by Azim, Ali Waqar, Le Guennec, Yannis, Chafii, Marwa, Ros, Laurent

“…In this letter, we present filtered asymmetrically clipped optical-orthogonal frequency-division multiplexing with index modulation (FACO-OFDM-IM) for optical…”
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Second-order autoregressive model-based Kalman filter for the estimation of a slow fading channel described by the Clarke model: Optimal tuning and interpretation by El Husseini, Ali Houssam, Simon, Eric Pierre, Ros, Laurent

“…This paper treats the estimation of a flat fading Rayleigh channel with Jakes' Doppler spectrum model and slow fading variations. A common method is to use a…”
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Parameters setting based on bit error probability formula for an amplitude modulated, baseband, communication system affected by timing jitter and frequency selective channel by Miqueu, Paul, Belvèze, Fabrice, Brossier, Jean-Marc, Ros, Laurent

“…A high data rate wired communication serializer/deserializer system (SerDes) bit error rate performance is subject to two main perturbations, additive thermal…”
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AC-FPSK modulation for low-energy and low data rate optical wireless communications by Khan, Muhammad Jehangir, Azim, Ali Waqar, Le Guennec, Yannis, Maury, Ghislaine, Ros, Laurent

“…This article proposes an amalgam of phase-shift keying and asymmetrically clipped frequency-shift keying (i.e., AC-FPSK) for low-energy/low-data rate optical…”
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On the use of tracking loops for low-complexity multi-path channel estimation in OFDM systems by Shu, Huaqiang, Simon, Eric Pierre, Ros, Laurent

“…This paper treats pilot aided multi-path channel estimation with tracking loops for OFDM systems under slow to moderate fading conditions. Recent works have…”
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On multi-carrier systems robustness to Doppler in fast varying flat fading wireless channel by Hamdan, Ahmad, Ros, Laurent, Hijazi, Hussein, Siclet, Cyrille, Al-Ghouwayel, Ali

“…In this paper, the performance of a generalized multi-carrier Frequency Division Multiplexing (FDM) system - including Orthogonal Frequency Division…”
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Polynomial Estimation of Time-Varying Multipath Gains With Intercarrier Interference Mitigation in OFDM Systems by Hijazi, H., Ros, L.

“…In this paper, we consider the case of a high-speed mobile receiver operating in an orthogonal frequency-division multiplexing (OFDM) communication system. We…”
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Bayesian Cramer–Rao bounds for complex gain parameters estimation of slowly varying Rayleigh channel in OFDM systems by Hijazi, Hussein, Ros, Laurent

“…This paper deals with on-line Bayesian Cramer–Rao (BCRB) lower bound for complex gains dynamic estimation of time-varying multi-path Rayleigh channels. We…”
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Third-Order Kalman Filter: Tuning and Steady-State Performance by Huaqiang Shu, Simon, Eric Pierre, Ros, Laurent

“…This letter deals with the Kalman filter (KF) based on a third-order integrated random walk model (RW3). The resulting filter, noted as RW3-KF, is well suited…”
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