The Indiana Department of Transportation/Purdue University accelerated pavement testing (APT) facility has been utilized in a number studies hot mix asphalt (HMA) rutting performance. benefit using APT is that performance can be established few days testing. Finite element (FE) models have developed for relating to in‐service Factors addressed the include geometry, boundary conditions, materials, loads, test and construction variables. Determining effects these factors provides means better...

Orthogonal time frequency space (OTFS) as a newly proposed two-dimensional modulation scheme outperforms the orthogonal division multiplexing in high-speed scenarios. Most recent studies focus on off-grid channel estimation with ideal pulse which needs to satisfy bi-orthogonality robustness condition but does not exist. In this paper, we consider an OTFS system rectangular pulses and propose grid evolution based sparse Bayesian inference (GESBI) by updating virtual delay-Doppler improve...

In this study, generalized filter bank orthogonal frequency division multiplexing (GFB-OFDM) is proposed for 6G. order to meet the different requirements of various scenarios in 6G, a unified structure GFB-OFDM designed by adopting flexible capabilities suitable transmission modules. system, coexistence numerologies sub-bands and/or single-carrier and multi-carrier waveforms are achieved adjusting Finally, simulation results provided validate BER performance GFB-OFDM, showing that it capable...

Terahertz (THz) communication is a crucial technique in sixth generation (6G) mobile networks, which allow for ultra-wide bandwidths to enable ultra-high data rate wireless communication. However, the current subcarrier spacing and size of fast Fourier transform (FFT) orthogonal frequency division multiplexing (OFDM) 5G NR are insufficient regarding bandwidth requirements terahertz scenarios. In this paper, novel waveform proposed address ultra-wideband issue, namely generalized filter bank...

The effect of priming on the latency recognition potential (RP) was tested using rapid stream stimulation. Subjects detected five-letter words in a nonword images. Lifting right index finger signalled detection word. Rapid responses were rewarded and false alarms penalized. Just before generation an image stream, computer briefly displayed either specific target word string that indicated any one ten previously studied words. Precise specification expected to produce more detections than...

A novel single-carrier waveform scheme is proposed to overcome the main challenges in terahertz (THz) communications such as relatively large path loss, low efficiency of power amplifier and high phase noise. The adopts a symbol structure with combined methods head tail sequences frequency domain spectrum shaping (FDSS) together. are copied respectively from parts reference signal symbol. Besides function resisting multipath delay without use conventional cyclic prefix (CP), sequence can be...

This paper presents a low peak-to-average power ratio (PAPR) modulation scheme and demodulation method for low-cost terminals in sixth-generation (6G), which is called one plus delay (1 + D) pi/2(N 1) BPSK. Explicitly, the first generated based on pi/2 BPSK, then proceeded by interpolation transformation. Simulation results show that proposed BPSK has lower PAPR smaller out-of-band leakage discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-s-OFDM). Moreover,...

Electric vehicle (EV) is one of the current research focuses due to its environmental friendliness, but inaccuracy in remaining driving range (RDR) estimation lowers consumers’ confidence on EVs. This paper introduces a method based information fusion (RDRIF), which RDR determined by calculated (calculation present battery and consumption states) cumulated (cumulation real-traveled distance) provide accuracy result. The RDRIF algorithm was embedded type pure electric vehicle, set experiments...

Vehicle controller unit (VCU) plays an important role in fuel cell/battery hybrid vehicles and there is a need to investigate the influence of embedded algorithm on vehicle performance. An effective way for such investigation via hardware-in-the-loop (HIL) simulation. This paper describes HIL simulation system that developed this purpose. overview provided, followed by descriptions models dynamics, electric motor, cell, battery etc.. The control contains two parts, driver command explanation...

This paper proposes a Classification Feature Sub-space Gaussian Mixture Model (CGMM), which can improve the training efficiency of conventional (GMM) in speaker identification. By taking advantage centralization tendency similar features phonetic signals, CGMM uses Vector Quantization (VQ) technique to cluster into sub-space. In procedure training, it establishes GMM for each sub-space instead all feature vectors. Our experimental findings show that as vectors were more concentrated...

EMI (electromagnetic interference) noises and power split strategy are two important topics when integrating a PEM fuel cell/battery hybrid power-train. Principles methods to eliminate the firstly introduced. Generally speaking, can be reduced by applying electrical grounding, designing time-triggered communication system using some filter technologies in electric control units. A on basis of prediction algorithm is then proposed aiming at prolonging working life time cell stacks. With this...

Terahertz (THz) communications are envisioned as a key scenario for the sixth-generation (6G) wireless communication system, which however suffer from some challenges, such high path loss, poor power amplifier (PA) efficiency and phase noise (PN). Low peak-to-average ratio (PAPR) transmissions can alleviate PA improve cell coverage. To support low PAPR transmissions, pi/2 BPSK was introduced in 3GPP 5G NR specifications has now become mandatory. In addition to that, frequency domain spectrum...

A voiceprint identification method is proposed which be based on the speaker model clustering (SMC). The similar models are clustered through an approximated KL divergence and determine center their representatives to construct a hierarchical model. During recognition stage, cluster selected first by calculating distance between test vector or representatives, then, though computing logarithmic likelihood in cluster, can determined with significant decrease amount of computation....

In this paper, a new data modulation and demodulation scheme are proposed for the terahertz (THz) communications. The is named as M-ary pi/2 amplitude phase shift keying (APSK) modulation, which modulates bits to symbols with two kinds of phases separated by pi (180°) then rotates in alternating symbol. So can resist large noise (PN) reduce peak-to-average power ratio (PAPR). Accordingly, also designed apply receiver based on Log-likelihood (LLR) polar coordinate instead conventional...

In this paper, a two-stage BEM-OTFS channel sparse Bayesian learning (SBL) estimation algorithm is proposed to address the problem of increasing error compressed sensing at low resolution when OTFS embedded in pilot frequency mode and overhead too large. The uses complex exponential basis expansion model (CE-BEM) transmitter side design with lower overhead, linear solution used obtain roughly estimating matrix. After detecting rough estimated channels, some data symbols detected are as...

Aerial surveillance information fusion is a critical step in air traffic control systems. The system employs algorithms to process measurement data from source such as radar, reduce error, predict the future position of aircraft, and provide supervisor with predicted according time interval set by system. most widely used algorithm systems Kalman filter algorithm. This has been applied for several decades related fields, but it requires considerable manpower adjusting parameters, so it's...