Browsing Network & Communication by Title
Now showing items 59-78 of 102
-
Jamming Resilient Multi-Channel Transmission for Cognitive Radio IoT-based Medical Networks
(Korean Institute of Communication Sciences, 2022)The era of the Internet-of-things (IoT) comes with tremendous burdens on pre-existing network infrastructures and protocols due to spectrum scarcity and reliability concerns. Cognitive radio (CR) technology is proposed for ... -
LDAB-GPSR: Location PreDiction with Adaptive Beaconing – Greedy Perimeter Stateless Routing Protocol for Mobile Ad Hoc Networks
(Kauno Technologijos Universitetas, 2022)In mobile ad-hoc networks (MANET), nodes are randomly distributed and move freely, and hence the network may face rapid and unexpected topological changes. In this paper, an improved greedy perimeter stateless routing ... -
Low-profile frequency reconfigurable antenna for heterogeneous wireless systems
(MDPI AG., 2019)A low-profile (0.21λg× 0.35λg× 0.02λg ) and a simply-structured frequency-switchable antenna with eight frequency choices is presented in this paper. The radiating structure (monopole) is printed on a 1.6-mm thicker, ... -
A low-profile hybrid multi-permittivity dielectric resonator antenna with perforated structure for Ku and K band applications
(Institute of Electrical and Electronics Engineers Inc., 2020)A wideband hybrid dielectric resonator antenna (DRA) consisting of a rectangular slot patch and a perforated stacked cylindrical dielectric resonator (DR) is proposed. A rectangular slot was etched on the grounding side ... -
A Low-Profile Quasi-Loop Magneto-Electric Dipole Antenna Featuring a Wide Bandwidth and Circular Polarization for 5G mmWave Device-to-Device Communication
(Korean Institute of Electromagnetic Engineering and Science, 2022)The deployment of the millimeter (mmWave) frequency spectrum by fifth-generation (5G) device-to-device (D2D) wireless networks is anticipated to meet the growing demands for increased capacity. The antenna is regarded of ... -
Mathematical model on the effects of conductor thickness on the centre frequency at 28 GHz for the performance of microstrip patch antenna using air substrate for 5G application
(Elsevier, 2021)The use of microstrip patch configuration in the 5th generation (5G) wireless network is expected to fulfill the demands of smartphone users by significantly increasing the capacity of com munication technology. The main ... -
Metamaterial inspired electromagnetic bandgap filter for ultra-wide stopband screening devices of electromagnetic interference
(Nature Research, 2023)Presented here is a reactively loaded microstrip transmission line that exhibit an ultra-wide bandgap. The reactive loading is periodically distributed along the transmission line, which is electromagnetically coupled. The ... -
Miniaturized MIMO Antenna with Low Inter-radiator Transmittance and Band Rejection Features
(Korean Institute of Electromagnetic Engineering and Science, 2021)In this article, compact a multiple-input and multiple-output (MIMO) system with flag-shaped radiators and a mountain-shaped ground plane is presented. Isolation is enhanced with the help of a decoupling stub placed between ... -
Mobile robot controller using novel hybrid system
(Institute of Advanced Engineering and Science, 2020)Hybrid neuro-fuzzy controller is one of the techniques that is used as a tool to control a mobile robot in unstructured environment. In this paper a novel neuro-fuzzy technique is proposed in order to tackle the problem ... -
Multi-band printed antenna for portable wireless communication applications
(Electromagnetics Academy, 2019)A compact, triple-band (WiMAX, WLAN and X-Band uplink satellite communication) monopole antenna is reported in this paper. The geometry of the proposed antenna consists of a pentagon-shaped patch along with symmetrical ... -
A multi-layer hyper-graph routing with jamming-awareness for improved throughput in full-duplex cognitive radio networks
(King Saud bin Abdulaziz University, 2022)There are differences between routing in traditional and in Cognitive Radio Networks (CRNs). The availability of channels, periodic spectrum sensing, jammers activity, are some of these differences, etc. CRNs may contain ... -
Mutual Coupling Reduction in Antenna Arrays Using Artificial Intelligence Approach and Inverse Neural Network Surrogates
(Multidisciplinary Digital Publishing Institute (MDPI), 2023)This paper presents a novel approach to reducing undesirable coupling in antenna arrays using custom-designed resonators and inverse surrogate modeling. To illustrate the concept, two standard patch antenna cells with 0.07λ ... -
A nested square-shape dielectric resonator for microwave band antenna applications
(Institute of Advanced Engineering and Science, 2021)In this paper, a nested square-shape dielectric resonator (NSDR) has been designed and investigated for antenna applications in the microwave band. A solid square dielectric resonator (SSDR) was modified systematically by ... -
A Novel Fractal Arrow-Shaped mmWave Flexible Antenna for IoT and 5G Communication Systems
(Electromagnetics Academy, 2022)In this paper, a novel flexible antenna for the new ISM band is proposed. A multi-objective optimization based on DDEA-SE is performed to optimize the antenna bandwidth and gain. The proposed optimized antenna has a 4 dB ... -
A novel lumped LC resonator antenna with air-substrate for 5G mobile terminals
(Electromagnetics Academy, 2020)The extending applications for mobile computing have experienced immense progress over the previous decade. However, this has ultimately influenced the shortage of bandwidth. Therefore, to fulfill the consumers’ demand, ... -
A novel multi-band and multi-generation (2G, 3G,4G, and 5G) 9-elements MIMO antenna system for 5G smartphone applications
(Springer, 2021)In this study, a 9-elements hybrid MIMO (multiple input multiple output) antennas system is developed for 5G Smartphone communication.The designed MIMO system is composed of two different antenna parts i.e. the multi-band ... -
A novel negative meander line design of microstrip antenna for 28 GHz mmWave wireless communications
(Czech Technical University, 2020)The increasing applications for nomadic computing have experienced enormous development over the preceding decade. This has eventually caused the lack of bandwidth. Therefore, to accomplish the need of consumers, compact ... -
On Learning Spectral Masking for Single Channel Speech Enhancement Using Feedforward and Recurrent Neural Networks
(Institute of Electrical and Electronics Engineers Inc., 2020)Human speech in real-world environments is typically degraded by the background noise. They have a negative impact on perceptual speech quality and intelligibility which causes performance degradation in various ... -
On the path loss model for 5-GHz microwave-based pinless subsea connectors
(Electromagnetics Academy, 2019)In this work, a simple propagation channel model for microwave-based pinless subsea connectors in the 5 GHz band is presented. Both high electromagnetic attenuation in seawater due to absorption and the near-field working ... -
On-Chip Terahertz antenna array based on amalgamation of metasurface-inspired and artificial magnetic conductor technologies for next generation of wireless electronic devices
(Elsevier GmbH, 2023)The paper presents a feasibility study on an innovative terahertz (THz) on-chip antenna array designed to reliably meet the high-performance connectivity requirements for next generation of wireless devices to enable ...