Viitteet 1-10 / 319
Use of 5G and mmWave radar for positioning, sensing, and line-of-sight detection in airport areas
(SESAR 3 Joint undertaking, 2022)
Fuel cells and novel thermal management advancements required for aviation
(The International Council of the Aeronautical Sciences, 2022-09-04)
The paper considers the usage of proton exchange membrane fuel cells, gaseous H2 and cryogenic H2 fuels to solve the known thermal problems associated with electrical generation. Recent experimental H2 flight failures are ...
"Mirror Dwellers": Social VR, Identity and Internet Culture
(DiGRA online library, 2022)
VRChat is a popular social virtual reality (VR) application with a strong user base and count less virtual worlds to explore and avatars to "wear". The breadth and popularity of this social VR game, and the forms of ...
Managing Perceived Loneliness and Social-Isolation Levels for Older Adults: A Survey with Focus on Wearables-Based Solutions
As an inevitable process, the number of older adults is increasing in many countries worldwide. Two of the main problems that society is being confronted with more and more, in this respect, are the inter-related aspects ...
Gate-Level Design Methodology for Side-Channel Resistant Logic Styles Using TFETs
The design of secure circuits in emerging technologies is an appealing area that requires new efforts and attention as an effective solution to secure applications with power constraints. The paper deals with the optimized ...
Performance Evaluation of Adaptive Tracking Techniques with Direct-State Kalman Filter
This paper evaluates the performance of robust adaptive tracking techniques with the direct-state Kalman filter (DSKF) used in modern digital global navigation satellite system (GNSS) receivers. Under the assumption of a ...
High-Accuracy Ranging and Localization with Ultra-Wideband Communications for Energy-Constrained Devices
Ultra-wideband (UWB) communications have gained popularity in recent years for being able to provide distance measurements and localization with high accuracy, which can enhance the capabilities of devices in the Internet ...
Statistical Analysis and Modeling of User Micromobility for THz Cellular Communications
Terahertz (THz, 0.3-3 THz) wireless access is nowadays considered as a major enabling technology for sixth generation (6G) cellular systems. To compensate for extreme propagation losses these systems will utilize antenna ...
A cascaded multilevel inverter based on new basic units
Due to the ever-increasing importance of multilevel inverters, researchers try to offer new structures for this type of inverters to improve their performance and reduce their costs. In this paper, a new topology has been ...
Ergodic Outage and Capacity of Terahertz Systems Under Micromobility and Blockage Impairments
Terahertz (THz) communications systems are expected to become a major enabling technology at the air interface in sixth-generation (6G) cellular systems. However, utilizing extremely narrow antenna radiation patterns at ...