Massive unsourced multiple access scheme based on block sequence codebook and compressed sensing by Jing ZHANG, Lin MA, Chulong LIANG, Hongxu GAO

“…A massive unsourced multiple access scheme based on block sequence codebook and compressed sensing was proposed for sporadic burst scenario in massive machine type communication (mMTC).Firstly, a large-capacity spreading codebook generation scheme was designed according to a specific shift pattern, thus the codebook space was expanded.Secondly, the sparse structure of uplink signal was combined with multi-carrier technology to support overlapping transmission of multi-user data on some subcarriers, thus the spectral efficiency was improved.Finally, a multi-carrier CS-MUD model was established, and a group orthogonal matching pursuit algorithm based on codebook sequence blocks was designed to achieve the joint detection of active users and their uplink data.Simulation results show that the proposed scheme can effectively reduce the bit error rate of massive random access.…”
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Investigation of Flexible Textile Antennas and AMC Reflectors by M. Mantash, A.-C. Tarot, S. Collardey, K. Mahdjoubi

“…Felt and denim fabrics are characterized, and patch antennas are designed using these substrates to test both methods. …”
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Dual-Band Microstrip Patch Antenna Miniaturization Using Metamaterial by Indrasen Singh, Vijay Shanker Tripathi, Sudarshan Tiwari

“…A dual-band microstrip patch antenna is designed and analyzed using metamaterial artificial substrate. …”
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Multiferroic Memories by Amritendu Roy, Rajeev Gupta, Ashish Garg

“…In this paper, we review the operational aspects of multiferroic memories as well as the materials used for these applications along with the designs that hold promise for the future memory devices.…”
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Laser Radar System Based on Lightweight Diffractive Lens Receiver System by Jiajia Yin, Mengxia Hou, Bin Fan, Jiang Bian, Junfeng Du

“…Combined with the single photodetector, the designed laser radar system can simultaneously achieve measurements at near-field distances of 6.0 m, 9.9 m, and 16.1 m and far-field distances of 851.2 m.…”
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Assessment of Frost Depth in Romania by Arion Cristian, Vacareanu Radu, Aldea Alexandru, Arion Andrei, Pavel Florin

“…Reliable assessments of the maximum extent of soil freezing are crucial for determining construction costs and building foundations. Structural designers also require reliable local meteorological data. …”
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Adaptive Control of MEMS Gyroscope Based on T-S Fuzzy Model by Yunmei Fang, Shitao Wang, Juntao Fei, Mingang Hua

“…A parameter estimation scheme for updating the parameters of the T-S fuzzy models is designed and analyzed based on the Lyapunov theory. …”
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Propolis – quality analysis and use in topical formulations by Ramanauskiene Kristina, Inkeniene Asta Marija, Perminaite Kristina, Zilius Modestas, Majiene Daiva

“…The phenolic compounds under observation penetrated the epidermis and dermis from designed formulations. The base of semi-solid formulation influences the efficacy of propolis preparations. …”
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Study on the Failure of the Bolted Flange Connection Structure between Stages of Missiles (Rockets) under Transverse Impact Load by Tonghui Tian, Jiehong Yuan, Daokui Li, Qingwen Wang, Baisheng Chen

“…Based on the bolted flange connection structure between stages of the missiles, four experimental specimens are simplified and manufactured, and the transverse impact failure experiments of the drop hammer are designed and carried out in this study. During the experiments, a new signal sensor is designed to collect the data of the bolts force, and the response data such as the bolts force, the slotted displacement of the connecting interface, and the impact force are collected in the loading process. …”
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Interdisciplinarity: a Current Need to Improve the Teaching-Learning Process by Lizgrace Llano Arana, Miriam Gutiérrez Escobar, Addys Stable Rodríguez, María Cristina Núñez Martínez, Rosa María Masó Rivero, Bárbara Rojas Rivero

“…Educational institutions should promote increased methodological activities, curriculum designs and educational actions using this approach in order to train students in correspondence with the time they live in, which will result in better preparation of professionals. …”
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A Dynamic Dual Fixed-Point Arithmetic Architecture for FPGAs by G. Alonzo Vera, Marios Pattichis, James Lyke

“…In FPGA embedded systems, designers usually have to make a compromise between numerical precision and logical resources. …”
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A Study on Multiattribute Aggregation Approaches to Product Recommendation by Jing-Zhong Jin, Yoshiteru Nakamori, Andrzej P. Wierzbicki

“…In today’s increasingly competitive market, consumers usually have to face a huge number of products with different designs but having the same use. Therefore, an important problem for manufacturers is to attract consumers by special designs of the products. …”
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Consensus of Delayed Fractional-Order Multiagent Systems Based on State-Derivative Feedback by Jun Liu, Kaiyu Qin, Wei Chen, Ping Li

“…A state-derivative feedback (SDF) is added into the designed control protocol in the existing paper to enhance the robustness of a fractional-order multiagent system (FMS) against nonuniform time delays in this paper. …”
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The Measurement Model of Professional Operation of State Administration by Milan Rman, Marjan Brezovšek, Janez Stare

“…The results of the research confirm the connection between the three aforementioned dimensions of professional operation of state administration and, consequently, the validity of the designed model. …”
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A measurement method of fifth-generation multiple-input multiple-output antenna based on microwave imaging by Hangyu Chen, Jingcheng Zhao, Tao Hong, Shuli Zheng, Haohui Hong, Mohamed Cheriet

“…The multiple-input multiple-output element was designed, and then the existence of mismatched scattering of the mismatched state through microwave one-dimensional and two-dimensional imaging simulations was verified. …”
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Finite-Time Control of One Dimensional Crowd Evacuation System by Wei Qin, Baotong Cui, Zhengxian Jiang

“…Since the control variable is included in a partial derivative, it increases the difficulty of designing the controller. In this paper, finite-time controller is designed, which not only guarantees the effective evacuation, but also obtains the estimation of evacuation time. …”
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Modeling viscosity of commercial glass melts: Adam–Gibbs equation and Gaussian process regression by Pavel Ferkl, Preeti Malviya, Pavel Hrma, Albert A. Kruger, Ashutosh Goel

“…A statistically designed property database of six commercial glass families is leveraged to develop models relating viscosity to temperature and composition. …”
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Robust Position Control of PMSM Using Fractional-Order Sliding Mode Controller by Jiacai Huang, Hongsheng Li, YangQuan Chen, Qinghong Xu

“…In the existing SMC method, the sliding surface is usually designed based on the integer-order integration or differentiation of the state variables, while in this proposed robust FOSMC algorithm, the sliding surface is designed based on the fractional-order calculus of the state variables. …”
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Biomechanical effect of en-masse versus substep extraction space closure on posterior teeth using clear aligners: a finite element study by Jiang Yiru, Mei Li, Xu Li, Wang Jue, Feng Xiaoxia, Chen Xiaoyan

“…To evaluate the biomechanical effects of en-masse versus substep extraction space closure on posterior teeth during clear aligner treatment and to provide guidelines for optimising anti-tipping designs.…”
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