Development of Free-floating High Voltage Four-terminal Bidirectional Thyristor Device by TANG Ge, YAN Ji, CAO Guohong, ZHU Weiwei

“…According to thyristors in antiparallel application requirements and based on TCAD semiconductor chip design simulation platform, the bidirectional thyristor chip structure and components assembly structure have been simulated, anti-interference ability of the chip has been improved by the improvement of carrier concentration in the short-base, optimization of short-circuit point and design of PNP horizontal separation structure, and free-floating high voltage four-terminal bidirectional thyristor (BCT) has been successfully developed, which simplifies antiparallel component structure and reduces the size, weight and cost of the assembly component.…”
Get full text

Precisely Tunable 780 nm External Cavity Diode Laser by Baoni Han, Yuanlin Shi, Xu Tang, Jing Li, Chenggang Guan, Junzhu Ye, Rongxu Shen

“…Precise, mode-hop-free continuous tuning is achieved through a combination of current modulation and piezoelectric ceramic transducer (PZT) control, with a tuning accuracy of 1.65 pm/mA. Experimental optimization of the interference filter external cavity diode laser (IF-ECDL) operating conditions resulted in a narrow linewidth of 55 kHz and a high output power of 51 mW. …”
Get full text

Dynamic Reliability Analysis of Flying Car Gear Transmission System by Tianyu Mao, Yong Yu, Huaiju Liu, Caichao Zhu, Genshen Liu

“…Combined with the stress-strength interference theory，the reliability evolution law of the flying car gear transmission system is expounded，which lays a foundation for the dynamic design and reliability optimization of the gear transmission system of flying car.…”
Get full text

Toward Specialized Wireless Networks Using an ML-Driven Radio Interface by Kamil Szczech, Maksymilian Wojnar, Katarzyna Kosek-Szott, Krzysztof Rusek, Szymon Szott, Dileepa Marasinghe, Nandana Rajatheva, Richard Combes, Francesc Wilhelmi, Anders Jonsson, Boris Bellalta

Get full text

Joint routing and scheduling for data collection with compressive sensing to achieve order-optimal latency by Xiaohan Yu, Seung Jun Baek

“…We set the communication range of sensor nodes to an appropriate value to control the size of the backbone and demonstrate that the proposed scheme can achieve order-optimal latency for data gathering. We extend the proposed scheme to the physical interference model and show that comparable latency is achievable under physical interference model. …”
Get full text

Offline Magnetometer Calibration Using Enhanced Particle Swarm Optimization by Lei Huang, Zhihui Chen, Jun Guan, Jian Huang, Wenjun Yi

“…To address the decline in measurement accuracy of magnetometers due to process errors and environmental interference, as well as the insufficient robustness of traditional calibration algorithms under strong interference conditions, this paper proposes an ellipsoid fitting algorithm based on Dynamic Adaptive Elite Particle Swarm Optimization (DAEPSO). …”
Get full text

A Comparative Study on Sideband Optimization in Time-Modulated Arrays by Ertugrul Aksoy, Erkan Afacan

“…During the investigations, differential evolution (DE) algorithm is chosen as the optimization tool. The common variable aperture size (VAS) time schemes are optimized to synthesize the desired goals in order to compare the techniques. …”
Get full text

Per Coefficient Filter Optimization for Rectangular and Quincunx QAM-FBMC by Iandra Galdino, Didier Le Ruyet, Marcello L. R. de Campos, Rostom Zakaria

“…For this, we search the filter coefficients that minimize the intrinsic interference (ISI) observed at the receiver. The simulation results show that the proposed optimization problems can improve the BER performance of both, rectangular and quincunx QAM-FBMC systems.…”
Get full text

Optimal Modified Performance of MIMO Networked Control Systems With Packet Dropouts and Bandwidth Constraints by Lingli Cheng, Heng Zhan, Yu Shi, Xisheng Zhan

“…In this paper, the optimal modified performance problem of multiple-input multiple-output (MIMO) networked control systems (NCSs) with additional interference is investigated, the additional interference includes channel noise, encoding and decoding, quantization, packet dropouts, and bandwidth constraints. …”
Get full text

Cooperative and Adaptive Load-Aware Handover Optimization in Heterogeneous Networks by Kihoon Kim, Eunsok Lee, Chanbin Bae, Heewon Kim, Sangheon Pack

“…To address this issue, we propose a cooperative and adaptive load-aware mobility robustness optimization (MRO) scheme. In this scheme, agents assigned to MBSs and SBSs jointly optimize TXP and handover control parameters using a multi-objective learning approach. …”
Get full text

Optimization strategy of UAV‐ARIS assisted vehicular communication system by Haitao Zhao, Zhuoran Xu, Yiyang Ni, Wenxue Sun, Hongbo Zhu, Yaxuan Liu, Zhaoying Mo

“…However, it still encounters interference in the face of the complex external environment. …”
Get full text

Research on formant estimation algorithm for high order optimal LPC root value screening by Hua LONG, Shumeng SU

“…The root determination threshold, optimal LP root value distribution, peak distribution of formant in spectral envelope and formant estimation error of speech digital resonance model constraints under different orders are investigated. …”
Get full text

Verification of a Probabilistic Model and Optimization in Long-Range Networks by José Luis Romero Vázquez, Abel García-Barrientos, José Alberto Del-Puerto-Flores, Francisco R. Castillo Soria, Roilhi F. Ibarra-Hernández, Ulises Pineda Rico, Ernesto Zambrano-Serrano

“…By incorporating these variables into a unified probabilistic framework, the model not only predicts packet loss and interference patterns but also provides insights into optimizing network parameters. …”
Get full text

Optimization Design and Simulation of Bottle Gripper based on MATLAB and ADAMS by Wang Chaoyang, Geng Chunming

“…The mathematical model of the offset slider rocker mechanism is established.Then,by using the software of MATLAB,the structure of the gripper is optimized,so that its stroke of the slider is minimum,while the maximum open angle is reasonable and its structure without interference. …”
Get full text

Study on Levitation Control Method Based on Multi-dimensional Taylor Network Optimal Control by Lin ZHU, Yi JIANG, Laisheng TONG, Wenyue ZHANG

“…Aiming at the problem that the levitation system of the maglev train has strong nonlinearity and the control effect of the commonly used linear control law is not ideal, the nonlinear control law of the levitation system based on multi-dimensional Taylor network (MTN) optimal control was proposed. The simulation results showed that the control law based on MTN optimal control had better anti-interference performance for gap and load than PID control law.…”
Get full text

TD-LTE and TD-SCDMA Collaborative Network Optimizing Strategy by Chang Li, Jianbin Zhang, Jing An

“…Compared to traditional network，the network structure has a greater impact on the quality of TD-LTE network.If only upgrade directly in the original site based on TD-SCDMA，the original structure and quality issues would be inherited.On the basis of the problems encountered in the shared antenna collaborative optimization，a collaborative network optimization method was presented.Network problems of TD-SCDMA and TD-LTE were solved from the dimensions of network structure，coverage and interference by using project parameters，measurement report，frequency sweep test，driving test and other data.After that，by using network planning and optimization tools，collaborative optimization scheme was outputted and verified in the existing network to solve these problems.Finally，TD-SCDMA and TD-LTE collaborative optimization adjustment strategy was summed up by evaluating implementation effects.…”
Get full text

Study on the Structure Optimization of Lever Balance Type Erecting Mechanism by Liu Yuxi, Gao Qinhe, Feng Jiangtao, Cheng Xiangrui

“…Aiming at the problems that the large thrust of erecting mechanism and the high demand on carrying capacity of cylinder,the virtual prototype model is established by using the ADAMS software,the method of setting the size of the contact force to detect motion interference is proposed. Using the method,that joints pivot is parameterized,the maximum erecting force is regard as the objective function,the layout of joints pivot is optimized,the maximum force of electric cylinders in the erecting process is reduced. …”
Get full text

Enhanced zebra optimization algorithm and applications of power allocation in SDWN by LI Jiajia, DONG Ligang, JIANG Xian

“…To address the issue of interference caused by shared resources in multi-user communications in software defined wireless network (SDWN), an enhanced zebra optimization algorithm (EZOA) was proposed to achieve power allocation that maximizes the secrecy rate. …”
Get full text

Optimal Design for One-Dimensional ALOHA Ad Hoc Networks Based on Stochastic Geometry by Seunghee Lee, Ganguk Hwang

“…To mathematically model the random locations of nodes and the interference in the ad hoc network, we use stochastic geometry theory. …”
Get full text

GNN-based optimization algorithm for joint user scheduling and beamforming by Shiwen HE, Jun YUAN, Zhenyu AN, Min ZHANG, Yongming HUANG, Yaoxue ZHANG

“…The coordinated multi-point (CoMP) transmission technology has the characteristics of reducing co-channel interference and improving spectral efficiency.For the CoMP technology, user scheduling (US) and beamforming (BF) design are two fundamental research problems located in the media access control layer and the physical layer, respectively.Under the consideration of user service quality requirements, the joint user US-BF optimization problem was investigated with the goal of maximizing network throughput.To overcome the problem that the traditional optimization algorithm had high computational cost and couldn’t effectively utilize the network historical data information, a joint US and power allocation (M-JEEPON) model based on graph neural network was proposed to realize joint US-BF optimization by combining the beam vector analytical solution.The simulation results show that the proposed algorithm can achieve the performance matching or even better than traditional optimization algorithms with lower computational overhead.…”
Get full text