Yafei Hou
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View article: Single longitudinal mode all-optical microwave oscillator based on parity–time symmetric torsional radial acoustic modes
Single longitudinal mode all-optical microwave oscillator based on parity–time symmetric torsional radial acoustic modes Open
View article: All-Optical Single-Longitudinal-Mode Forward Brillouin Microwave Oscillator with an Unbalanced Fiber Mach–Zehnder Interferometer
All-Optical Single-Longitudinal-Mode Forward Brillouin Microwave Oscillator with an Unbalanced Fiber Mach–Zehnder Interferometer Open
An all-optical single-longitudinal-mode (SLM) forward Brillouin microwave oscillator (FB-MO) with an unbalanced Fiber Mach–Zehnder interferometer (UF-MZI) for microwave photonics (MWP) generation is proposed and experimentally investigated…
View article: Diagnostic Value of Serum miR-499a-5p in Chinese Children with Autism Spectrum Disorders
Diagnostic Value of Serum miR-499a-5p in Chinese Children with Autism Spectrum Disorders Open
The purpose of this study was to investigate the expression of miR-499a-5p in children with autism spectrum disorders (ASD) and its value in early diagnosis of ASD. This is a retrospective case-control study that included 40 children with …
View article: Narrow Linewidth All-Optical Microwave Oscillator Based on Torsional Radial Acoustic Modes of Single-Mode Fiber
Narrow Linewidth All-Optical Microwave Oscillator Based on Torsional Radial Acoustic Modes of Single-Mode Fiber Open
A Hz level narrow linewidth all-optical microwave oscillator based on the torsional radial acoustic modes (TR2,m) of a single-mode fiber (SMF) is proposed and validated. The all-optical microwave oscillator consists of a 20 km SMF main rin…
View article: Intra-mode backward stimulated Brillouin scattering in lithium niobate micron fibers
Intra-mode backward stimulated Brillouin scattering in lithium niobate micron fibers Open
The Brillouin sensing technology in multimode optical fibers has received much attention due to its ability to simultaneously transmit multiple parameters, such as temperature and strain, and its higher information capacity and transmissio…
View article: On Hyperparameter Determination for GPR-Based Channel Prediction in IRS-Assisted Wireless Communication Systems
On Hyperparameter Determination for GPR-Based Channel Prediction in IRS-Assisted Wireless Communication Systems Open
View article: Low Complexity Overloaded MIMO Non-Linear Detector with Iterative LLR Estimation
Low Complexity Overloaded MIMO Non-Linear Detector with Iterative LLR Estimation Open
This paper proposes a non-linear overloaded MIMO detector that outperforms the conventional soft-input maximum likelihood detector (MLD) with less computational complexity. We propose iterative log-likelihood ratio (LLR) estimation and mul…
View article: Inter-Mode Backward Stimulated Brillouin Scatteringin Lithium Niobate Core Fiber
Inter-Mode Backward Stimulated Brillouin Scatteringin Lithium Niobate Core Fiber Open
View article: WLAN Channel Status Duration Prediction for Audio and Video Services Using Probabilistic Neural Networks
WLAN Channel Status Duration Prediction for Audio and Video Services Using Probabilistic Neural Networks Open
Due to massive increase in wireless access from smartphones, IoT devices, WLAN is aiming to improve its spectrum efficiency (SE) using many technologies. Some interesting techniques for WLAN systems are flexible allocation of frequency res…
View article: MUSIC Spectrum Based Interference Detection, Localization, and Interference Arrival Prediction for mmWave IRS-MIMO System
MUSIC Spectrum Based Interference Detection, Localization, and Interference Arrival Prediction for mmWave IRS-MIMO System Open
For a millimeter wave (mmWave) intelligent re-configurable surface (IRS)-MIMO system, if it can correctly detect the interference occurrence and their locations, the patterns of interference signal can be collected and learned using machin…
View article: Overloaded MIMO Bi-Directional Communication with Physical Layer Network Coding in Heterogeneous Multihop Networks
Overloaded MIMO Bi-Directional Communication with Physical Layer Network Coding in Heterogeneous Multihop Networks Open
This paper proposes overloaded multiple input multiple output (MIMO) bi-directional communication with physical layer network coding (PLNC) to enhance the transmission speed in heterogeneous wireless multihop networks where the number of a…
View article: Adaptive Resource Allocation Based on Factor Graphs in Non-Orthogonal Multiple Access
Adaptive Resource Allocation Based on Factor Graphs in Non-Orthogonal Multiple Access Open
In this paper, we propose a non-orthogonal multiple access with adaptive resource allocation. The proposed non-orthogonal multiple access assigns multiple frequency resources for each device to send packets. Even if the number of devices i…
View article: Tunable broadband terahertz metamaterial absorber based on vanadium dioxide
Tunable broadband terahertz metamaterial absorber based on vanadium dioxide Open
The special electromagnetic properties of metamaterials have contributed to the development of terahertz technology, and terahertz broadband absorbers for various applications have been investigated. The design of metamaterial absorbers wi…
View article: Switchable Vo2 Terahertz Metamaterial Based on Planar and Vertical Split Ring Resonators for High-Performance Sensing
Switchable Vo2 Terahertz Metamaterial Based on Planar and Vertical Split Ring Resonators for High-Performance Sensing Open
View article: Two-Dimensional RSSI-Based Indoor Localization Using Multiple Leaky Coaxial Cables With a Probabilistic Neural Network
Two-Dimensional RSSI-Based Indoor Localization Using Multiple Leaky Coaxial Cables With a Probabilistic Neural Network Open
Received signal strength indicator (RSSI) based indoor localization technology has its irreplaceable advantages for many location-aware applications. It is becoming obvious that in the development of fifth-generation (5G) and future commun…
View article: Maximum Doppler Frequency Detection Based on Likelihood Estimation With Theoretical Thresholds
Maximum Doppler Frequency Detection Based on Likelihood Estimation With Theoretical Thresholds Open
This paper proposes a novel maximum Doppler frequency detection technique for user moving velocity estimation. The maximum Doppler frequency is estimated in the proposed detection technique by making use of the fact that user moving veloci…
View article: A Broadband Switchable Metamaterial Absorber/Reflector Based On Multi-Laps Graphene Sheets in the Terahertz Band
A Broadband Switchable Metamaterial Absorber/Reflector Based On Multi-Laps Graphene Sheets in the Terahertz Band Open
Switchable metamaterial absorbers/reflectors (MAs/MRs) are important bifunctional electromagnetic devices and have been the subject of numerous scientific studies. However, there is a lack of bifunctional devices that operate in the terahe…
View article: Cyclic path switching for lattice reduction-aided iterative linear receivers in overloaded MIMO systems
Cyclic path switching for lattice reduction-aided iterative linear receivers in overloaded MIMO systems Open
This paper proposes a technique called “Cyclic path switching (CPS)” to improve the transmission performance of iterative linear receivers assisted with the lattice reduction in overloaded MIMO channels. The proposed CPS applies different …
View article: Modeling and Predictability Analysis on Channel Spectrum Status Over Heavy Wireless LAN Traffic Environment
Modeling and Predictability Analysis on Channel Spectrum Status Over Heavy Wireless LAN Traffic Environment Open
Using the real wireless spectrum occupancy status in 2.4 and 5 GHz bands collected at a railway station as representative of a heavy wireless LAN (WLAN) traffic environment, this paper studies the modeling of durations of busy/idle (B/I) s…
View article: Channel Status Prediction using Auto-regressive and Auto-regressive Integrated Predictors over WLAN Channel
Channel Status Prediction using Auto-regressive and Auto-regressive Integrated Predictors over WLAN Channel Open
Recently, due to the increase of huge number of wireless devices such as smartphones or sensors, mobile wireless traffic is dramatically expanding each year. Cognitive radio (CR) system has been attracted attention to improve frequency usa…
View article: Precoded Physical Layer Network Coding with Coded Modulation in MIMO-OFDM Bi-Directional Wireless Relay Systems
Precoded Physical Layer Network Coding with Coded Modulation in MIMO-OFDM Bi-Directional Wireless Relay Systems Open
This paper proposes coded modulation for physical layer network coding in multiple input multiple output orthogonal frequency division multiplexing (MIMO-OFDM) bi-directional wireless relay systems where precoding is applied. The proposed …
View article: A study for 2-D indoor localization using multiple leaky coaxial cables
A study for 2-D indoor localization using multiple leaky coaxial cables Open
Indoor localization technology, which can provide the location information of the target object or stochastic things, is becoming essential requirement for many applications and services such as Internet-of-Things (IoT), real-time control …
View article: An SMLB-based OFDM receiver over impulsive noise environment
An SMLB-based OFDM receiver over impulsive noise environment Open
An SMLB-based
View article: Numerical Analysis of Magnetic Plasmonic Resonance Modes in Three-Dimension Split Ring Resonator Metamaterials
Numerical Analysis of Magnetic Plasmonic Resonance Modes in Three-Dimension Split Ring Resonator Metamaterials Open
Magnetic resonators based on metamaterials are valuable for numerous applications including perfect absorber, sensing and medical imaging. However, due to the existence of the difficulty in magnetic excitation in planar metasurface, the st…
View article: A Novel Low Complexity Lattice Reduction-Aided Iterative Receiver for Overloaded MIMO
A Novel Low Complexity Lattice Reduction-Aided Iterative Receiver for Overloaded MIMO Open
This paper proposes a novel low complexity lattice reduction-aided iterative receiver for overloaded MIMO. Novel noise cancellation is proposed that increases an equivalent channel gain with a scalar gain introduced in this paper, which re…
View article: Single weakly tilted FBG in 2-μm band capable of measuring temperature, axial strain, and surrounding refractive index
Single weakly tilted FBG in 2-μm band capable of measuring temperature, axial strain, and surrounding refractive index Open
Optical fiber devices and applications in the 2-μm band have been investigated extensively due to its unique advantages, such as eye safety. A fiber sensor based on tilted fiber Bragg grating with a grating plane angle of 2 deg is fabricat…
View article: [Paper] Partial Layered Division Multiplexing with STBC for ISDB-T and Next Generation DTTB Systems
[Paper] Partial Layered Division Multiplexing with STBC for ISDB-T and Next Generation DTTB Systems Open
In order to realize next generation digital terrestrial television broadcasting (DTTB) systems, the currently deployed Integrated Services Digital Broadcasting Terrestrial (ISDB-T) is still essential due to the spectrum-scarcity. This pape…