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- research-articleJanuary 2025
Research on system parameter optimisation in electromagnetic tomography technology
International Journal of Wireless and Mobile Computing (IJWMC), Volume 28, Issue 1Pages 1–13https://doi.org/10.1504/ijwmc.2025.142897Electromagnetic Tomography Technology (EMT) based on the principle of electromagnetic induction is a multi-phase flow detection technology. It is reconstructed without contact and intervention. The development process of EMT is presented in this paper. ...
- research-articleJanuary 2024
Emotion recognition method for multimedia teaching classroom based on convolutional neural network
International Journal of Wireless and Mobile Computing (IJWMC), Volume 27, Issue 4Pages 393–401https://doi.org/10.1504/ijwmc.2024.142065In order to further improve the teaching quality of multimedia teaching in school daily teaching, a classroom facial expression emotion recognition model is proposed based on convolutional neural network. VGGNet and CliqueNet are used as the basic ...
- research-articleJanuary 2024
Resource allocation in non-orthogonal multiple access based cognitive radio networks using an artificial bee colony algorithm
International Journal of Wireless and Mobile Computing (IJWMC), Volume 27, Issue 3Pages 217–228https://doi.org/10.1504/ijwmc.2024.141459The explosion of wireless technology has created an ever increasing demand for more radio spectrum. Most of the studies have shown that the spectrum bands are being underutilised. These looming spectrum scarcity problems have motivated the search for ...
- research-articleJanuary 2024
Microstrip MIMO antenna design with self-improved optimisation strategy
International Journal of Wireless and Mobile Computing (IJWMC), Volume 27, Issue 3Pages 203–216https://doi.org/10.1504/ijwmc.2024.141453To increase the channel's capacity and communication dependability, Multiple Input Multiple Output (MIMO) antennas are widely used on both the receiver and transmitter sides of interaction networks. One strategy is to place radiating parts far away, ...
- research-articleJanuary 2024
Joint metaheuristics-based optimisation in wireless cooperative network
International Journal of Wireless and Mobile Computing (IJWMC), Volume 26, Issue 3Pages 291–301https://doi.org/10.1504/ijwmc.2024.137878Considering the limitations of natural energy resources, energy-efficient wireless networks have gained significant attention in recent years. A wireless cooperative communication network (WCCN) provides better spectrum utilisation and reduces ...
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- research-articleJanuary 2024
Cache-aided MISO-NOMA concept
International Journal of Wireless and Mobile Computing (IJWMC), Volume 26, Issue 3Pages 270–281https://doi.org/10.1504/ijwmc.2024.137869Coded caching, non-orthogonal multiple access (NOMA), and massive multiple-input multiple-output (MIMO) are challenging and attractive technologies for rapidly emerging mobile networks, offering numerous significant advantages. The literature shows that ...
- research-articleJanuary 2024
Low-complexity PAPR reduction in FBMC/OQAM communication channels using hybrid trellis coded-based SLM with momentum search algorithm
International Journal of Wireless and Mobile Computing (IJWMC), Volume 26, Issue 3Pages 215–228https://doi.org/10.1504/ijwmc.2024.137849One of the essential multicarrier modulation methods in the 5G communication system is the Filter Bank Multicarrier (FBMC) based Offset Quadrature Amplitude Modulation (OQAM) (FBMC/OQAM) process. Owing to the overlapping nature of the signal in the FBMC ...
- research-articleJanuary 2024
Fracture constitutive study of spring-beam model applied to slurry anchor connection
International Journal of Wireless and Mobile Computing (IJWMC), Volume 26, Issue 2Pages 107–114https://doi.org/10.1504/ijwmc.2024.137180In order to prove the feasibility of selecting the beam element attributes of the spring-beam model by parameter prediction algorithm, this study proposes a beam elements fracture constitutive model that simulates the fracture of mortar and concrete at ...
- research-articleJanuary 2024
Data survivability in unattended wireless sensor networks with optimal clustering and hybrid encryption algorithm
International Journal of Wireless and Mobile Computing (IJWMC), Volume 26, Issue 2Pages 137–156https://doi.org/10.1504/ijwmc.2024.137176This research proposes an energy- and security-aware data survivability solution for Unattended Wireless Sensor Networks operating in hostile environments. The multi-objectives like energy consumption, delay, distance, communication overhead, inter-...
- research-articleJanuary 2024
Multi-objective optimisation design of cross-shaft based on Kriging response surface optimisation model
International Journal of Wireless and Mobile Computing (IJWMC), Volume 26, Issue 2Pages 207–214https://doi.org/10.1504/ijwmc.2024.137166Cross-universal coupling is a key component of the mechanical transmission system and the cross-shaft is the core component of the coupling for torque transmission. Under normal circumstances, cross-shafts are most susceptible to fatigue and deformation, ...
- research-articleJanuary 2024
Optimised design of cross-shaft parameters based on response surface optimisation model with MOGA
International Journal of Wireless and Mobile Computing (IJWMC), Volume 26, Issue 2Pages 198–206https://doi.org/10.1504/ijwmc.2024.137165Cross-shaft is the core component of the cross-type universal coupling and has a vital transmission function. This paper proposes Sparse Grid and the Kriging interpolation to construct a response surface model to solve the problem of long design cycles, ...
- research-articleJanuary 2024
Research on employment quality evaluation system of skilled talents
International Journal of Wireless and Mobile Computing (IJWMC), Volume 26, Issue 2Pages 127–136https://doi.org/10.1504/ijwmc.2024.137136This paper constructs an indicator system of employment quality and skilled talent supply from the macro-level, evaluates the employment quality and skilled talent supply in the two years before and after the outbreak of COVID-19 by using the entropy ...
- research-articleJanuary 2024
Low-level wind shear of wind field modelling and simulation
International Journal of Wireless and Mobile Computing (IJWMC), Volume 26, Issue 1Pages 19–24https://doi.org/10.1504/ijwmc.2024.136581Wind shear refers to a meteorological phenomenon. It happened when wind speed, wind direction separately or both simultaneously changes rapidly. If the microburst is below altitude of 300 metres, the probability of occurrence increases greatly. Three ...
- research-articleJanuary 2023
Adaptive multi-population artificial bee colony algorithm for wireless sensor network coverage optimisation
International Journal of Wireless and Mobile Computing (IJWMC), Volume 25, Issue 4Pages 391–396https://doi.org/10.1504/ijwmc.2023.135407This paper proposes an adaptive multi-population artificial bee colony (called AMPABC) algorithm for wireless sensor network coverage. Firstly, the whole swarm is divided into three distinct groups in terms of the function values of solutions. Then, two ...
- research-articleJanuary 2023
DC-PHD: multitarget counting and tracking using binary proximity sensors
International Journal of Wireless and Mobile Computing (IJWMC), Volume 25, Issue 4Pages 328–339https://doi.org/10.1504/ijwmc.2023.135383Efficient multiple target tracking and counting have become an essential requirement for many Wireless binary Sensor Networks (WSN) applications. WSNs are inexpensive, such that sensor nodes could be easily deployed in any Area of Interest (AOI). Sensor ...
- research-articleJanuary 2023
A novel approach to control the sidelobe levels in OFDM radar waveform design using hybrid of sub-carrier weighting and time domain windowing
International Journal of Wireless and Mobile Computing (IJWMC), Volume 25, Issue 4Pages 322–327https://doi.org/10.1504/ijwmc.2023.135382Taking advantage of Orthogonal Frequency Division Multiplexing (OFDM), a novel waveform is developed, which performs well for radar communications. A major bottleneck of using OFDM is Out-of-Band (OOB) radiations which weakens the ability of radar ...
- research-articleJanuary 2023
Performance analysis of Rayleigh fading wireless networks with multiple propagation paths and spatial diversity
International Journal of Wireless and Mobile Computing (IJWMC), Volume 25, Issue 4Pages 309–321https://doi.org/10.1504/ijwmc.2023.135381The generalised model for multipath signal estimation is developed in this work with distinct optimal gain and receives diversity operation deployed in the wireless system. The presented modelling technique determines channel impulse response and complex ...
- research-articleJanuary 2023
Intelligent layout design of building damping structure based on ramp model
International Journal of Wireless and Mobile Computing (IJWMC), Volume 24, Issue 1Pages 48–57https://doi.org/10.1504/ijwmc.2023.129087The increasing frequency of earthquakes has had a significant impact on citizens' property and life safety. In order to reduce the losses caused by earthquakes, the research is conducted from the perspective of structural layout of building shock ...
- research-articleJanuary 2023
Robust min-norm algorithms for coherent sources DOA estimation based on Toeplitz matrix reconstruction methods
International Journal of Wireless and Mobile Computing (IJWMC), Volume 24, Issue 1Pages 9–16https://doi.org/10.1504/ijwmc.2023.129082Most of the classical high-resolution algorithms such as ESPRIT, MUSIC or Min-Norm, demonstrate their ability to estimate the directions by which non-coherent signals are arrived on a sensor array. However, the need to enhance this kind of algorithm is ...
- research-articleJanuary 2023
Performance evaluation of FBMC versus OFDM in tapped delay line doubly selective channels
International Journal of Wireless and Mobile Computing (IJWMC), Volume 24, Issue 1Pages 1–8https://doi.org/10.1504/ijwmc.2023.129078As the technology grows in wireless communication, we move towards 5G. In mobile communication, this requires a greater number of users in limited bandwidth, and also the technology used is easily accessible to all. For these requirements, several types ...