Academic Articles & Research Papers

IWORMLF: Improved Invasive Weed Optimization With Random Mutation and Lévy Flight for Beam Pattern Optimizations of Linear and Circular Antenna Arrays

The beam pattern synthesis of antenna arrays is one of the most significant optimization problems in the electromagnetics community, and it affects the performance of wireless communication systems. In this article, we formulate the beam pa...

X-QST: A Wireless Thermal Quantitative Sensory Testing System Integrated into a Ubiquitous Health Platform-Development and Pilot Evaluation in Healthy Adults.

Subsecond optically controlled domain switching in freestanding ferroelectric BaTiO3 membrane

Abstract The quest to develop energy-efficient and fast optoelectronic control of memory devices is essential. In this respect, ferroelectric materials are gaining tremendous importance in information and communication technology. Here, we ...

Wi-Fi technology and human health impact: a brief review of current knowledge

An enormous increase in the application of wireless communication in recent decades has intensified research into consequent increase in human exposure to electromagnetic (EM) radiofrequency (RF) radiation fields and potential health effect...

Establishing scheme and algorithm for dynamic key-path of pair wise key for sensor networks

Security schemes of pair wise key establishment ensure communication security in wireless sensor networks. Dynamic key-path in pair wise key establishment farther increases communication security in the networks. Establishing scheme and alg...

Multi‐antenna joint covert communication with a public communication link over wireless fading channel

Abstract This paper studies multi‐antenna covert communication exploiting a public communication link over the wireless fading channel. In particular, a relatively practical covert communication scenario is considered for the first time, wh...

Topology Optimisation of Wireless Sensor Networks

Wireless sensor networks are widely used in a variety of fields including industrial environments. In case of a clustered network the location of cluster head affects the reliability of the network operation. Finding of the optimum location...

With Multi-Connectivity Toward Reliable and Time-Sensitive Wi-Fi Systems: A Survey

Wi-Fi has become a fundamental wireless communication technology, supporting a wide range of applications while continuing to evolve to meet increasingly demanding use cases. Future Wi-Fi networks are expected to support industrial and time...

Development of a New 24-bit High-Performance Chipless RFID Tag for Accurate Identification in IoT Systems

Chipless RFID has the potential to bring in a paradigm change in industrial applications, notably in the world of the Internet of Things (IoT). This wireless technology permits distant identification, sensing, and tracking, giving tremendou...

High Sensitivity Microfiber Interferometer Sensor in Aqueous Solution

The need for environmental protection and water pollution control has led to the development of different sensors for determining many kinds of pollutants in water. Ammonia nitrogen presence is an important indicator of water quality in env...

Intelligent Sensing and Monitoring System for High-Voltage Transmission Line Status of Smart Grid Based on IoT Technology

This paper integrates the Internet of Things (IoT) technology and a smart grid to build an electric power IoT architecture and analyzes the intelligent sensing technology and wireless communication technology in this electric power IoT. Thr...

Mouse hippocampal CA1 VIP interneurons detect novelty in the environment and support recognition memory

Summary: In the CA1 hippocampus, vasoactive intestinal polypeptide-expressing interneurons (VIP-INs) play a prominent role in disinhibitory circuit motifs. However, the specific behavioral conditions that lead to circuit disinhibition remai...

On the Capacity of Densely Packed Arrays with Mutual Coupling and Correlated Noise

Capacity of a wireless link can be enhanced by increasing the number of receive antennas. However, imposed receiver physical size constraints necessitate that the antenna elements be in close proximity, which typically reduces the overall l...

SafetyNET/A Wireless Sensor Network for Fire Protection and Emergency Responses

RCS reduction of wide-band, high-gain antenna array based on asymmetric transmission metasurfaces

Abstract In this paper, an ultra-wideband stealth antenna with high gain on the basis of asymmetric transmission metasurface (ATMS) is proposed. ATMS can convert an incident y-polarised sphere wave into an x-polarised plane wave at the fron...

Linear Potentiometer Sensor-Based of Athlete Flexibility Measurement Tool

This study aims to develop a novel "sit and reach test" flexometer device utilizing a linear potentiometer sensor to quantitatively evaluate an individual's body flexibility. The innovation in this research lies in the utilization of electr...

Experimental Evaluation of Simulation Abstractions for Wireless Sensor Network MAC Protocols

The evaluation of MAC protocols for Wireless Sensor Networks (WSNs) is often performed through simulation. These simulations necessarily abstract away from reality in many ways. However, the impact of these abstractions on the results of th...

A hash-neighborhood-search-network-coding based opportunistic relay retransmission approach

In wireless multicast networks，it is rarely concerned that there may be certain receiving nodes which have better quality links both to the source node and to the other receiving nodes. A novel hash-neighborhoodsearch-network-coding based o...

Misalignment Tolerance and Interoperability of Wireless Charging System Based on Two-Channel Topology and Coil Optimization

Inductive power transfer (IPT), as a method of wireless power transfer (WPT) via magnetic induction, can be applied to electric vehicles (EVs) due to its convenience and automation. Interoperability and misalignment tolerance are both major...

Resource Allocation for Cognitive Satellite Communications Downlink

Cognitive satellite communications (SatCom) is considered to be able to alleviate the bottleneck of spectrum resource shortage due to traditional spectrum allocation. This paper focuses on a special scenario where the frequency band of SatC...