Computing trajectory similarities is a critical and fundamental task for various spatial-temporal applications, such as clustering, prediction, anomaly detection. Traditional similarity metrics, i.e. DTW Hausdorff, suffer from quadratic computation complexity, leading to their inability on large-scale data. To solve this problem, many representation learning techniques are proposed approximate the metric space while reducing complexity of computation. Nevertheless, these works designed based...

Background: With rapid development in molecular biology techniques and a greater understanding of cancer pathogenesis, the growing attention has been concentrated on gene therapy, with numerous articles this topic published recent 5 years. However, there is lacking bibliometric analysis research therapy. Therefore, aim present study was to conduct provide trends frontiers therapy during 2016-2020. Methods: We utilized CiteSpace 5.7.R5 software publications The records were obtained from Web...

Localization has become a prominent use case for 6G mobile networks, and the integrated localization communication (ILAC) system represents an inevitable trend. To design manage such ILAC systems effectively efficiently, quantification of its performance bound, i.e., analytical model that reveals trade-off between performance, is crucial yet unresolved task. address this, we proposed framework achieves localization. Specifically, derived closed-form expression capacity loss versus Cramer-Rao...

In this work, the influence of Ba/Ca ratios on BaO-CaO-SiO2 (BCS) glass network structure, crystallization phases, and coefficient thermal expansion (CTE) was investigated. As ratio increases, Qn units in structure have undergone significant changes. The Q4 BCS transform into Q3 units, indicating reduction connectivity. variation leads to a change phases glass-ceramics sintered at temperature higher than Tc (crystallization temperature). addition α-SiO2 (quartz) could regulate their barium...

Reconfigurable intelligent surface (RIS), which provides indirect line-of-sight (LoS) transmission paths between the receiver and its blocked transmitter, has been proposed as one of promising technologies for network performance enhancement. Recent works indicate that both numbers RISs unit cells per RIS have a significant impact on performance. However, with given total number cells, joint analysis these two factors considering blockage effect not investigated. In this paper, coverage...

Ultraviolet Visible (UV-Vis) spectroscopy detection technology has been widely used in quantitative analysis for its advantages of rapid and non-destructive determination. However, the difference optical hardware severely restricts development spectral technology. Model transfer is one effective methods to establish models on different instruments. Due high dimension nonlinearity data, existing cannot effectively extract hidden differences spectra spectrometers. Thus, based necessity...

Although the almost blank subframes (ABSFs) proposed in heterogeneous cellular networks can enhance performance of cell range expansion (CRE) user equipments (UEs), it significantly degrades macro-cell total throughput. To address this problem, low power (LPSFs) are encouraged to be applied center region by further-enhanced inter-cell interference coordination. However, residual LPSF, which interferes with CRE UEs, and proportion LPSF affect downlink throughput together. achieve a better...

Deploying the 5 G new radio network on unlicensed mmWave band (NR-U) is a promising solution to meet constantly increasing traffic demand of cellular network. However, coexistence issue spectrum between NR-U and Wireless Gigabit (WiGig) networks becomes significant concern. The schemes LTE Wi-Fi cannot be readily applied support WiGig due directional beamforming propagation characteristic band. transmission complicates problem but opens up possibilities for increased system capacity via...

Both reconfigurable intelligent surfaces (RISs) and ultra-dense (UD) small-cell (SC) base stations (BSs) are investigated for indoor mmWave wireless coverage enhancement. To explore which deployment strategy is more cost-effective, the costs of deploying both RISs UD SCs defined calculated. Through jointly analyzing probability network cost in typical environments, we conclude that same can be achieved by multiple strategies. achieve certain level with lowest cost, a proper number BSs...

Transmissive reconfigurable intelligent surfaces (RISs) are a promising solution for coverage enhancement of the future outdoor-to-indoor (O2I) millimeter wave (mmWave) network. In this work, probability multiple transmissive RIS-aided O2I mmWave network is investigated. Firstly, system model three-dimensional considering random blockages proposed. Moreover, spatial correlation analyzed to derive accurate blockage probability. Furthermore, based on probability, closed-form approximation...

Three-dimensional (3D) multi-input-multi-output (MIMO) is one of the enabling technologies for next-generation mobile communication. As elevation angle in 3D MIMO channel model might vary against height base station (BS) antenna, it should be considered within modeling. In this paper, impact antenna on characteristics investigated by using intelligent ray launching algorithm (IRLA). Three typical street scenarios, i.e., straight street, forked road, and crossroad, are selected as benchmarks....

The probability of line-of-sight (LOS) propagation is crucial for channel modeling and small-cell network evaluation. In this letter, by taking the layout building structures into account, an analytical LOS model proposed typical indoor scenarios, which have rectangular rooms corridors. validated through Monte Carlo simulations. Numerical results show that estimates performance accurately efficiently.

Long term evolution-unlicensed (LTE-U) technologies allow cellular users (CUs) to be served in unlicensed bands. However, how a CU properly chooses between licensed and bands can utilize the without jeopardizing other unlicensed-band users, e.g., Wi-Fi (WUs), remain as open problems. In this letter, we aim optimize allocation of radio resources both an LTE-U coexisting scenario, where allocated either or band. We formulate multi-objective optimization problem maximize every CU's utility,...

Light Detection and Ranging (LiDAR), a laser-based technology for environmental perception, finds extensive applications in intelligent transportation. Deployed on roadsides, it provides real-time global traffic data, supporting road safety research. To overcome accuracy issues arising from sensor misalignment to facilitate multi-sensor fusion, this paper proposes an adaptive calibration method. The method defines ideal coordinate system with the road's forward direction as X-axis...

We propose a novel matching-based pilot assignment scheme to reduce the contamination effect in cell-free massive multiple-input-multiple-output (MIMO) systems with low computational complexity. use many-to-many matching solve AP selection problem so that maximum number of UEs UE group equals orthogonal pilots. Furthermore, pilots are assigned each descending order common serving ratio groups. Simulation results demonstrate proposed algorithm achieves near-optimum performance and outperforms...

In heterogeneous networks (HetNets), to reduce the interference users in cell range expansion (CRE) areas of small cells, reduced power subframes (RPSs) are used by macro base stations (BSs) serve their center region users. CRE can receive full (FPSs) from small-cell BSs same time slots as RPSs. However, it is difficult maintain strict subframe alignment (SA) between neighboring cells. Subframe misalignment (SM) RPSs and FPSs transmitted may degrade coverage performance for macrocell With...

In this work, we leverage the clustered <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$\beta$</tex-math></inline-formula> -Ginibre point process (GPP) and queueing theory to analyse delay performance in a large-scale repulsive fog radio access network (F-RAN) with computation offloading, which plays key role on performance. particular, average defined as mean value of for executing computing tasks task...

In indoor environments, the performance of ultra-dense cellular networks is significantly affected by blockages, especially for ultra-high frequencies. However, previous works either ignore or simplify such effects analysing networks. On basis stochastic geometry, this paper proposes a mathematically tractable approach to analyse in indoors, which considers both wall blockages and distance-based path loss. The are firstly investigated modelling walls as Boolean scheme straight lines on...

In this paper, we are the first to analyse performance of carrier sense adaptive transmission (CSAT) scheme in large-scale coexisting LTE-U and WiFi networks (CLWNets) sharing multiple unlicensed channels (UCs). As capability idle channel detection (ICD) has significant effect on medium access probability (MAP) points (WAP), closed-from MAP WAP explicit expressions downlink successful probabilities (STPs) LTE-U-base-station (LBS) users derived with/without equipping ICD WAPs, where positions...

Sensor drift fault calibration is essential to maintain the operation of heating, ventilation and air conditioning systems (HVAC) in buildings. Bayesian inference (BI) becoming more popular as a commonly used sensor method. However, this method focused mainly on bias fault, it could be difficult calibrate that changes with time. Therefore, dynamic for HVAC based BI developed. Taking chilled water supply temperature chiller an example, performance proposed evaluated. Results show combination...