M. Liénard
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View article: Numerical and Experimental Anaysis of Massive MIMO Channel Characteristics in a Rectangular Highway Tunnel at 5.9 GHz
Numerical and Experimental Anaysis of Massive MIMO Channel Characteristics in a Rectangular Highway Tunnel at 5.9 GHz Open
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View article: UTD-Based Ray-Tracing MIMO Channel Modeling for the Next-Generation Communications Within Underground Tunnels
UTD-Based Ray-Tracing MIMO Channel Modeling for the Next-Generation Communications Within Underground Tunnels Open
Limited work has previously been conducted into deterministic modeling of the fifth generation (5G) millimiter (mm)-wave wireless communications within geometrically nonuniform tunnels. This study predicts and analyzes broadband multiple–i…
View article: On the Stationarity Time of a Vehicle-to-Infrastructure Massive Radio Channel in a Line-of-Sight Suburban Environment
On the Stationarity Time of a Vehicle-to-Infrastructure Massive Radio Channel in a Line-of-Sight Suburban Environment Open
Massive multiple-input multiple-output (mMIMO) communication systems are a pillar technology for 5G. However, the wireless radio channel models relying on the assumption of wide-sense stationary uncorrelated scattering (WSSUS) may not alwa…
View article: Ray Tracing Prediction of Path Loss for 5G Wireless Communications within Hospital Patient Room
Ray Tracing Prediction of Path Loss for 5G Wireless Communications within Hospital Patient Room Open
Millimeter (mm)-waves band has become a promising option for fifth-generation (5G) near-infinite data rate and ultra-low latency communications. Despite all recent achievements, engineers are still facing technical challenges for the asses…
View article: Autoregressive Modeling Approach for Non-Stationary Vehicular Channel Simulation
Autoregressive Modeling Approach for Non-Stationary Vehicular Channel Simulation Open
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View article: Opal: An open source ray-tracing propagation simulator for electromagnetic characterization
Opal: An open source ray-tracing propagation simulator for electromagnetic characterization Open
Accurate characterization and simulation of electromagnetic propagation can be obtained by ray-tracing methods, which are based on a high frequency approximation to the Maxwell equations and describe the propagating field as a set of propa…
View article: Opal:an open source ray-tracing propagation simulator for electromagnetic characterization
Opal:an open source ray-tracing propagation simulator for electromagnetic characterization Open
Accurate characterization and simulation of electromagnetic propagation can be obtained by ray-tracing methods, which are based on a high frequency approximation to the Maxwell equations and describe the propagating field as a set of propa…
View article: Angular characteristics of multipath propagation in an indoor industrial environment
Angular characteristics of multipath propagation in an indoor industrial environment Open
The characteristics of multipath components (MPCs) are addressed in an industrial environment at 1.3 GHz by means of measurements with a multidimensional channel sounder. The maximum likelihood estimator, RiMAX, is used to determine the MP…
View article: Human Sensing in Reverberant Environments: RF-Based Occupancy and Fall Detection in Ships
Human Sensing in Reverberant Environments: RF-Based Occupancy and Fall Detection in Ships Open
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View article: Measurement of the V2I Massive Radio Channel with the MaMIMOSA Sounder in a Suburban Environment
Measurement of the V2I Massive Radio Channel with the MaMIMOSA Sounder in a Suburban Environment Open
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View article: Experimental Study on the Impact of Antenna Characteristics on Non-Stationary V2I Channel Parameters in Tunnels
Experimental Study on the Impact of Antenna Characteristics on Non-Stationary V2I Channel Parameters in Tunnels Open
This paper analyses the experimentally-assessed dual-polarized (DP) mobile channel in a tunnel environment at 1.35 GHz under traffic conditions. We investigate the impact of antenna polarization and radiation pattern on the non-stationary …
View article: Experimental Characterization of Non-Stationary V2I Radio Channel in Tunnels
Experimental Characterization of Non-Stationary V2I Radio Channel in Tunnels Open
The fading process in vehicular communications is inherently non-stationary. In this paper, vehicle-to-infrastructure (V2I) radio channel measurements are performed inside a tunnel for low and medium traffic conditions to estimate the stat…
View article: Estimation of the Number of Persons in a Reverberant Environment Using Bistatic Radar
Estimation of the Number of Persons in a Reverberant Environment Using Bistatic Radar Open
The theory of room electromagnetics provides a simple characterization of indoor microwave propagation. By considering the indoor environment as a lossy cavity, the exponential decay rate of the power-delay profile is related to the total …
View article: Massive Radio Channel Sounder Architecture for 5G Mobility Scenarios: MaMIMOSA
Massive Radio Channel Sounder Architecture for 5G Mobility Scenarios: MaMIMOSA Open
This paper presents a real-time 64 x 16 massive MIMO channel sounder based on space-frequency division multiplexing and antenna subarray switching, giving a large possibility of antenna allocation and frequency tone between 2 and 12 GHz. T…
View article: Measurement-Based Feasibility Exploration on Detecting and Localizing Multiple Humans Using MIMO Radio Channel Properties
Measurement-Based Feasibility Exploration on Detecting and Localizing Multiple Humans Using MIMO Radio Channel Properties Open
This paper explores the feasibility of using the multiple-input multiple-output (MIMO) radio channel properties to passively detect and localize multiple humans in indoor environments. We propose to utilize the unique reverberation charact…
View article: Massive MIMO Communication Strategy Using Polarization Diversity for Industrial Scenarios
Massive MIMO Communication Strategy Using Polarization Diversity for Industrial Scenarios Open
In this letter, a polarization diversity technique applied to massive multiple-input-multiple-output (MIMO) in an industrial environment is proposed. The main idea is to use dual-polarized elements at the fixed array and to adequately choo…
View article: On the Contribution of Dense Multipath Components in an Intrawagon Environment for 5G mmW Massive MIMO Channels
On the Contribution of Dense Multipath Components in an Intrawagon Environment for 5G mmW Massive MIMO Channels Open
© 2019 IEEE. Personal use of this material is permitted. Permissíon from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertisíng or promotional purposes, cre…
View article: Channel Correlation-Based Approach for Feedback Overhead Reduction in Massive MIMO
Channel Correlation-Based Approach for Feedback Overhead Reduction in Massive MIMO Open
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View article: Stationarity Analysis of V2I Radio Channel in a Suburban Environment
Stationarity Analysis of V2I Radio Channel in a Suburban Environment Open
Due to rapid changes in the environment, vehicular communication channels no longer satisfy the assumption of wide-sense stationary uncorrelated scattering. The non-stationary fading process can be characterized by assuming local stationar…
View article: Impact of Polarization Diversity in Massive MIMO for Industry 4.0
Impact of Polarization Diversity in Massive MIMO for Industry 4.0 Open
The massive polarimetric radio channel is evaluated in an indoor industrial scenario at 3.5 GHz using a 10×10 uniform rectangular array (URA). The analysis is based on (1) propagation characteristics like the average received gain and the …
View article: Hybrid virtual polarimetric massive MIMO measurements at 1.35 GHz
Hybrid virtual polarimetric massive MIMO measurements at 1.35 GHz Open
The polarimetric massive multiple‐input multiple‐output (MIMO) radio channel of an indoor line‐of‐sight scenario is investigated at 1.35 GHz using a real‐time radio channel sounder. The 8 × 12 massive MIMO transmitter is constructed using …
View article: A Multi-Band Body-Worn Distributed Exposure Meter for Personal Radio-Frequency Dosimetry in Diffuse Indoor Environments
A Multi-Band Body-Worn Distributed Exposure Meter for Personal Radio-Frequency Dosimetry in Diffuse Indoor Environments Open
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View article: Experimental Study of Depolarization and Antenna Correlation in Tunnels in the 1.3 GHz Band
Experimental Study of Depolarization and Antenna Correlation in Tunnels in the 1.3 GHz Band Open
Measurements have been carried out in a low-traffic road tunnel to investigate the influence of the polarization of the transmitting and receiving antennas on the channel characteristics. A real-time channel sounder working in a frequency …
View article: Experimental investigation of V2I radio channel in an arched tunnel
Experimental investigation of V2I radio channel in an arched tunnel Open
This paper describes the results of the experimental radio channel sounding campaign performed in an arched road tunnel in Le Havre, France. The co-polar and cross-polar channels measurements are carried out in the closed side lane, while …
View article: MIMO in Tunnel: Impact of Polarization and Array Orientation on the Channel Characteristics
MIMO in Tunnel: Impact of Polarization and Array Orientation on the Channel Characteristics Open
Polarimetric characteristics of the propagation channel in a straight tunnel and in a frequency band around 1.3 GHz, are deduced from measurements using a real-time MIMO channel sounder. Emphasis is on the cross-polarization discrimination…
View article: An extension of the RiMAX multipath estimation algorithm for ultra-wideband channel modeling
An extension of the RiMAX multipath estimation algorithm for ultra-wideband channel modeling Open
This work presents an extension of the high-resolution RiMAX multipath estimation algorithm, enabling the analysis of frequency-dependent propagation parameters for ultra-wideband (UWB) channel modeling. Since RiMAX is a narrowband algorit…
View article: A Dual-Band Wearable Exposure Meter for Personal RF Exposure Assessment in Indoor Environments: On-body Calibration in a Reverberation Chamber
A Dual-Band Wearable Exposure Meter for Personal RF Exposure Assessment in Indoor Environments: On-body Calibration in a Reverberation Chamber Open
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View article: Exploring the Feasibility of Indoor Human Positioning by Using Radio Channel Properties of a Single Link
Exploring the Feasibility of Indoor Human Positioning by Using Radio Channel Properties of a Single Link Open
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