Results 61 to 70 of about 89,034 (232)
Development and research of incoming signal switch for transceiver communication systems
Физика волновых процессов и радиотехнические системы, 2020 The analysis of the types of incoming signal switches was performed. The choice of constructive realization of the switch was made. It was offered the method of its designing and simulation.
V.A. Maklashov +2 more
doaj +1 more source
How to Understand LMMSE Transceiver Design for MIMO Systems From Quadratic Matrix Programming [PDF]
, 2013 In this paper, a unified linear minimum mean-square-error (LMMSE) transceiver design framework is investigated, which is suitable for a wide range of wireless systems.
Fei, Zesong +3 more
core
FlexMat, EarlyView.Abstract Soft robots, engineered from highly compliant materials, offer superior adaptability and safety in unstructured environments compared to their rigid counterparts. Recent advancements, fueled by bio‐inspiration and material programmability, have led to the rapid co‐evolution of their core modules: actuation, sensing, protection, energy, and ...
Qiulei Liu +3 more
wiley +1 more source
Review of millimeter‐wave and terahertz near‐field synthetic aperture radar imaging technology
InfoScience, EarlyView.Abstract This paper comprehensively reviews the development of millimeter‐wave (MMW) and terahertz (THz) near‐field imaging technologies, with an emphasis on the state of synthetic aperture radar (SAR)‐based imaging technologies. Near‐field imaging technologies are categorized into passive and active imaging modes, among which active imaging is favored
Qi Yang +3 more
wiley +1 more source
Joint optimization of transceivers with fractionally spaced equalizers [PDF]
, 2008 In this paper we propose a method for joint optimization of transceivers with fractionally spaced equalization (FSE). We use the effective single-input multiple-output (SIMO) model for the fractionally spaced receiver.
Vaidyanathan, P. P., Weng, Ching-Chih
core +1 more source
A Hybrid RF Coil for Whole‐Brain Imaging in Non‐Human Primates at 7 T
Magnetic Resonance in Medicine, EarlyView.ABSTRACT Purpose Ultra‐high field MRI (≥ 7 T) offers unprecedented potential for mapping non‐human primate (NHP) brain function. However, complex electromagnetic systems are required to meet the challenges of UHF imaging and the mechanical demands of awake NHP studies.
Elias Djaballah +5 more
wiley +1 more source
Recent Advances in the Hardware of Visible Light Communication
IEEE Access, 2019 Visible light communication (VLC) is an emerging technology that can transform lighting facilities into access points for wireless communication. Its development is bottlenecked by the cut-off frequencies (e.g., -6-dB electrical cut-off frequency fc and -
Yilin Zhang +4 more
doaj +1 more source
Improving Bandwidth Efficiency in E-band Communication Systems [PDF]
, 2013 The allocation of a large amount of bandwidth by regulating bodies in the 70/80 GHz band, i.e., the E-band, has opened up new potentials and challenges for providing affordable and reliable Gigabit per second wireless point-to-point links.
Hua, Yingbo +5 more
core +2 more sources
Magnetic Resonance in Medicine, EarlyView.ABSTRACT Purpose Large FOV turbo‐spin‐echo (TSE) imaging at ultra‐high field (UHF) remains challenging due to B1+ inhomogeneity and peak specific absorption rate (pSAR) limitations. This work presents a new time‐interleaved acquisition of modes (TIAMO) framework called SCOPE (Signal and Contrast Optimization with Predicted Excitations), which overcomes
Tobey D. Haluptzok +2 more
wiley +1 more source
Accuracy Low-Cost “Handshake” Two-Way Ranging Protocol Applied to Road Traffic Communications
Transport and TelecommunicationThe densification of the vehicle fleet leads to numerous challenges in road safety management. Wireless Sensor Networks (WSN) helps to manage vehicle-vehicle-infrastructure interactivity, in particular to predict dangers and avoid accidents, detect and ...
Miasse Herman Olivier +3 more
doaj +1 more source