Results 31 to 40 of about 46,201 (198)
Advanced Healthcare Materials, EarlyView.A superhydrophobic 3D cell culture platform enables rapid and consistent formation of heterotypic tumor–stroma clusters, and reveals how physiological shear conditions influence metastatic signaling. Mechanical stimulation of cancer‐associated fibroblasts promotes sustained cytokine secretion and survival‐promoting pathways, showing how multicellular ...
Alexandria T. Carter +5 more
wiley +1 more source
IEEE Access, 2019 In this study, analytical expressions are derived by using probability density function approach over millimeter wave fluctuating two-ray (FTR) fading channels for average symbol error rate (ASER) of rectangular quadrature amplitude modulation (RQAM) and
Mehmet Bilim, Nuri Kapucu
doaj +1 more source
Multi-user Communication in Difficult Interference
, 2019 The co-channel interference (CCI) is one of the major impairments in wireless communication. CCI typically reduces the reliability of wireless communication links, but the difficult CCI which is no more or less strong to the desired signals destroys ...
Basnayaka, Dushyantha A. +1 more
core +1 more source
XOR‐Logic Phase Coding Programmable Metasurface for Low Power‐Consumption Systems
Advanced Science, EarlyView.By leveraging XOR logic, the biasing‐network complexity of 2D programmable metasurfaces is reduced from m×n to m+n through efficient row‐column control. This enables versatile functions including beam deflection and beamforming, facilitating applications in wireless communications and beyond.
Ruichao Zhu +10 more
wiley +1 more source
Single-Quadrature Continuous-Variable Quantum Key Distribution [PDF]
, 2015 Most continuous-variable quantum key distribution schemes are based on the Gaussian modulation of coherent states followed by continuous quadrature detection using homodyne detectors.
Andersen, Ulrik L. +2 more
core +1 more source
Upper-Bound Performance of a Wide-Band Adaptive Modem
, 1999 Adaptive modulation is applied in conjunction with a decision-feedback equalizer (DFE) in order to mitigate the effects of the slowly varying wide-band multipath Rayleigh fading channel in a noise-limited environment.
Hanzo, L., Wong, C.H.
core +2 more sources
Modulasi Digital Menggunakan Matlab [PDF]
, 2012 In telecommunication systems, the determination of the modulation system is an important method in the process of sending information from transmitter to receiver. In the simulation that is done using QPSK modulation system (Quadrature Phase Shift Keying)
Isnawati, A. F. (Anggun) +2 more
core +3 more sources
Robust Control Using a Matrix Converter to Enhance Wind Turbine Systems
Energy Science &Engineering, EarlyView.This study uses a more efficient and effective solution to improve the operational performance of a wind turbine‐based power system. This system uses a doubly fed induction generator and relies on a matrix converter and fractional‐order proportional–integral controller.
Sihem Ghoudelbourk +4 more
wiley +1 more source
Performance Analysis of MIMO-FSO System based on Quadrature Amplitude Modulation
Guangtongxin yanjiu, 2023 Free Space Optical (FSO) communication systems are easily affected by atmospheric turbulence effects. In order to reduce the Bit Error Rate (BER) of the system under saturated turbulence condition, and considering the requirement of maximum diversity ...
LI Pu, TANG Xuan, XU Jing, CHEN Yang
doaj
Symbol error rate analysis for M-QAM modulated physical-layer network coding with phase errors
, 2012 Recent theoretical studies of physical-layer network coding (PNC) show much interest on high-level modulation, such as M-ary quadrature amplitude modulation (M-QAM), and most related works are based on the assumption of phase synchrony.
Huang, Y +3 more
core +1 more source