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MAC - DOAJ

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Last Updated: 22 July 2022

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The PSL MAC Protocol for Accumulated Data Processing in the Energy-Harvesting Wireless Sensor Network

The actual energy-harvesting rate of each node in the energy-harvesting wireless sensor network varies as a result of a change in node deployment or a sudden change in the climate. The proposed algorithm includes a data transmission system based on probability control for high channel usage and an accumulation data processing device to prevent data accumulation in nodes; the investigation outlines the following: A results-based data transmission scheme for high channel utilization and a data processing device to prevent data accumulation.

Source link: https://doi.org/10.1155/2022/6852822


An energy‐efficient MAC protocol based on receiver initiation and multi‐priority backoff for wireless sensor networks

Abstract Wireless Sensor Network has been widely used for its key characteristics of reliability, scalability, and mobility. However, the WSN's node battery capacity is limited, however. In addition, in scenes with emergencies such as forest ecological monitoring, data packets of wildfire emergencies have higher realu2010time demands than regular ones. In addition, RMP’u2010MAC's multi-u2010priority factor adaptive backoff scheme based on event priority, node remaining energy level, and the number of data packets in the transmission queue, ensuring that emergency data is delivered in the correct situation of forest ecological monitoring.

Source link: https://doi.org/10.1049/cmu2.12283


MAC layer performance modelling for IEEE 802.15.7 based on discrete‐time Markov chain

Abstract The lack of a suitable wireless frequency spectrum has pushed researchers toward visible light communication, which has emerged as a useful complement to Wi-u2010Fi. Despite the fact that the IEEE 802. 15. 7 standard has detailed medium access control and physical layer requirements, the emerging VLC technology also faces MAC issues. Further, throughput is one of the primary questions for the VLC personal area network because it directly affects the network speed. We recommend a novel Markov chain model with two simple channel evaluations, which would be a major step toward increasing network throughput for a star topology VPAN.

Source link: https://doi.org/10.1049/cmu2.12199


Reinforcement Learning-Based Power Control for MACA-Based Underwater MAC Protocol

We recommend a power control system that uses reinforcement learning to determine the right transmission power in order to minimize these collisions while still retaining high energy quality. The likelihood of a collision, the amount of transmission power used, the frequency of DATA packet retransmissions, and an analysis of the interference range are all factors that determine the total reward. The proposed protocol can increase network throughput by up to 20% compared to benchmark protocols, while minimizing network electricity usage by more than 30% and reducing collisions per packet by more than 35 million;.

Source link: https://doi.org/10.1109/ACCESS.2022.3188705


A channel state information based virtual MAC spoofing detector

In a tight environment with high spatial ties, we investigate a new type of MAC spoofing attack, the virtual MAC spoofing attack, which can result in the development of multiple counterfeit entities backed by the virtualization technologies to disrupt regular services. We develop a method to detect such virtual MAC spoofing attacks by using the deep learning technique as a countermeasure. A deep convolutional neural network is built to analyze signal level data obtained from Channel State Information in order to provide additional authentication verification at the physical layer.

Source link: https://doi.org/10.1016/j.hcc.2022.100067


The role of serum Wisteria floribunda agglutinin-positive Mac-2 binding protein in the assessment of fibrosis in children with chronic hepatitis C

Abstract Noninvasive fibrosis markers are not available for the diagnosis of liver fibrosis in children with chronic hepatitis C. Sixty-three children with chronic hepatitis C were excluded. M2BPGi levels in the control group and HCV F0 group were also significantly different from the control group and the HCV F0 group, as well as between the control group and the HCV F1 group, and the HCV F1 group. M2BPGi may be able to detect a mild degree of fibrosis in children with chronic hepatitis C, according to our review, and such mild fibrosis can be quickly resolved by therapy.

Source link: https://doi.org/10.1038/s41598-022-14553-8


MAC Protocols for mmWave Communication: A Comparative Survey

Millimeter-wave technology has emerged as one of the most promising research areas both industry and academia, with the rise in the number of connected devices, to help more users with high-speed transfer rate and high bandwidth. We investigated the existing state-of-the-art MAC protocols, connected studies, and mmWave frequency in this research to face the above challenges and highlight the underlying assumptions revolving around the MAC layers of mmWave communication technologies.

Source link: https://doi.org/10.3390/s22103853


Concomitant use of Sapien 3 transcatheter valve for severe MAC with Intuity Elite rapid deployment valve for aortic stenosis

Case study We present a case study in which a fast deployment surgical aortic valve can be used in conjunction with open surgical transcatheter mitral valve implantation for severe Mitral Annular Calcification. In a patient with critical aortic stenosis and moderate-severe mixed mitral valve disease in the case of severe MAC, the Intuity Elite rapid deployment prosthesis was used concomitantly with the Sapien 3 transcatheter prosthesis trans-atrially on cardiopulmonary bypass in a patient with severe bronchiosis and moderately mixed mitral valve disease.

Source link: https://doi.org/10.1186/s13019-022-01879-7


An efficient MAC protocol design for adaptive compressed sensing based underwater WSNs

Abstract Abstract: Underwater wireless sensor networks have emerged as one of the most cost-effective methods for submersion and realtime monitoring. Unfortunately, the UWSNs are facing several challenges, including the energy limitation for the sensor nodes, the desire for short data latency, and the packet loss in wireless transmission. To reduce the sampling results, a feedback compressive sensing system is developed for sensor nodes first. A time divide multiplex access based superframe system is planned to be able to handle the medium access control protocol.

Source link: https://doi.org/10.1049/cmu2.12233

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions