Search Results - "Ayadi, J."

A REDUNDANT GNSS-INS LOW-COST UAV NAVIGATION SOLUTION FOR PROFESSIONAL APPLICATIONS by Navarro, J., Parés, M. E., Colomina, I., Bianchi, G., Pluchino, S., Baddour, R., Consoli, A., Ayadi, J., Gameiro, A., Sekkas, O., Tsetsos, V., Gatsos, T., Navoni, R.

“…This paper presents the current results for the FP7 GINSEC project. Its goal is to build a pre-commercial prototype of a low-cost, accurate and reliable system…”
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On the use of cascade structure to correct impulsive noise in multicarrier systems by Abdelkefi, F., Duhamel, P., Alberge, F., Ayadi, J.

“…We propose a new decoding algorithm based on a cascade structure for impulsive noise correction in multicarrier systems such as orthogonal frequency division…”
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Impulse radio ultra-wideband ranging based on maximum likelihood estimation by Hai Zhan, Ayadi, J., Farserotu, J., Le Boudec, J.-Y.

“…We propose a high-resolution ranging algorithm for impulse radio (IR) ultra-WideBand (UWB) communication systems in additive white Gaussian noise. We formulate…”
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Blind and semi-blind maximum likelihood methods for FIR multichannel identification by Ayadi, J., de Carvalho, E., Slock, D.T.M.

“…We investigate maximum likelihood (ML) methods for blind and semi-blind estimation of multiple FIR channels. Two blind deterministic ML (DML) strategies are…”
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Reed-Solomon Virtual Codes Based Novel Algorithm for Sparse Channel Estimation in OFDM Systems by Abdelkefi, F., Ayadi, J.

“…In this paper, we present a novel efficient algorithm for the estimation of the Channel Impulse Response (CIR) when this CIR is sparse (meaning a big number of…”
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Blind multichannel identification in the stationary colored noise case by Ayadi, J., Slock, D.T.M.

“…We investigate a new approach to identify a multichannel blindly when the additive noise is no longer considered as white but only stationary. We consider the…”
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Cramer-Rao bounds and methods for knowledge based estimation of multiple FIR channels by Ayadi, J., Slock, D.T.M.

“…This contribution elaborates on the concept of blind identification of multiple FIR channels with prior knowledge (WPK). The prior knowledge considered here…”
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On linear channel-based noise subspace parameterizations for blind multichannel identification by Ayadi, J., Slock, D.T.M.

“…In a multichannel context, the problem of blind estimation of the channel can be parameterized either by the channel impulse response or by the noise-free…”
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A wideband equivalent SPICE circuit for a monopole antenna and its usefulness for UWB applications by Gerrits, J., Hutter, A., Ayadi, J., Farserotu, J.

“…This paper presents a transmission line based electrical equivalent schematic of a /spl lambda//4 monopole antenna for co-simulation with electrical circuits…”
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A Novel Bayesian Impulse Radio Ultra-WideBand Ranging Algorithm Based on Importance Sampling by Hai Zhan, Le Boudec, J.-Y., Ayadi, J., Farserotu, J.

“…We consider the problem of ranging with Impulse Radio (IR) Ultra-WideBand (UWB) radio under weak Line Of Sight (LOS) environments and additive Gaussian noise…”
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Theoretical Limit of Impulse Radio Ultra-WideBand TOA Positioning and TDOA Positioning by Hai Zhan, Le Boudec, J.-Y, Ayadi, J, Farserotu, J

“…In this paper, we derive the Ziv-Zakai lower bounds for Impulse Radio (IR) Ultra-WideBand (UWB) Time Of Arrival (TOA)-based positioning and Time Difference Of…”
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Ziv-Zakai Lower Bound for Impulse Radio Ultra-WideBand Ranging Error Based on Geometry of Indoor Environments by Hai Zhan, Le Boudec, J.-Y, Ayadi, J, Farserotu, J

“…We consider the Ziv-Zakai lower bound for Impulse Radio (IR) Ultra-WideBand (UWB) ranging error under dense multipath environments and additive Gaussian noise…”
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Impulse Radio Ultra-Wideband Ranging under Multi-User Environments by Hai Zhan, Ayadi, J., Farserotu, J., Le Boudec, J.-Y.

“…Practical impulse radio ultra-wideband (IR-UWB) ranging systems always have to work in multi-user and weak non-line-of-sight (NLOS) environments. In this…”
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On the multiple input multiple output capacity of Rician channels by Ayadi, J., Hutter, A.A., Farserotu, J.

“…We consider a wireless system with multiple antennas at both the transmitter and the receiver and operating in a Rician propagation environment. For fixed…”
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Blind channel estimation exploiting transmission filter knowledge by Ayadi, Jaouhar, Slock, Dirk T.M.

“…This contribution elaborates on the concept of blind identification of multiple FIR channels with transmission filter knowledge (WTXFK). This prior knowledge…”
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A novel impulsive noise cancelation method using sigma-delta quantization of geometrically uniform finite frames by Abdelkefi, F., Ayadi, J.

“…In this paper, we propose a new method that efficiently cancels the impulsive noise that is present in communication systems, when a Sigma-Delta (SD) quantizer…”
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Blind multichannel estimation and joint order detection by MMSE ZF equalization by Ayadi, J., Slock, D.T.M.

“…Previously, we presented a new multichannel estimation method based on blind MMSE ZF equalization. The recently proposed method by Tsatsanis et al. (1997)…”
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Multi-User multiple antenna systems in Up-Link OFDM communications by Chiurtu, N., Ayadi, J.

“…In this work we investigate Multi-User Multiple-Input Multiple-Output (MU-MIMO) systems within the frame of an Orthogonal Frequency Division Multiplexing…”
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MEMS-based Reconfigurable Antenna for Enhanced GNSS Localization by Petit, L., Ayadi, J.

“…This paper presents a MEMS-based reconfigurable antenna for enhanced global navigation satellite systems (GNSS) localization. A reconfigurable antenna is…”
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One step Impulse Radio Ultra-WideBand positioning algorithm by Hai Zhan, Le Boudec, J.-Y., Ayadi, J., Farserotu, J.

“…We consider the problem of positioning estimation with impulse radio (IR) ultra-wideband (UWB) radio under dense multipaths and additive Gaussian noise…”
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