Results 71 to 80 of about 8,343 (256)

Outage optimality of amplify-and-forward opportunistic relaying

open access: yes, 2007
Summarization: In this paper, we show that optimal selection and transmission of a single relay among a set of multiple amplify-and-forward (AF) candidates minimize the outage probability (i.e., outage-optimal) and outperform any other strategy that ...
Hyundong Shin   +3 more
core   +1 more source

Artificial Intelligence for Fluorite Ferroelectric Materials: From Discovery to Optimization

open access: yesAdvanced Electronic Materials, EarlyView.
Artificial intelligence accelerates the discovery and optimization of HfO2‐based fluorite ferroelectrics by linking synthesis, structure, properties, and device performance. Machine learning, deep‐learning analysis, and AI‐driven atomistic modeling enable predictive design, dopant screening, and closed‐loop optimization toward next‐generation ...
Faizan Ali   +3 more
wiley   +1 more source

Effects of free flow state highway traffic parameters on the performance of amplify and forward cooperative multi-hop vehicular networks [PDF]

open access: yes, 2013
In this paper we analyse the effects of highway traffic flow parameters like vehicle arrival rate and density on the performance of Amplify and Forward (AF) cooperative vehicular networks along a multi-lane highway under free flow state.
Perera, Ovitigalage, Jayalath, Dhammika
core  

Comparative Insights and Overlooked Factors of Interphase Chemistry in Alkali Metal‐Ion Batteries

open access: yesAdvanced Energy Materials, EarlyView.
This review presents a comparative analysis of Li‐, Na‐, and K‐ion batteries, focusing on the critical role of electrode–electrolyte interphases. It especially highlights overlooked aspects such as SEI/CEI misconceptions, binder effects, and self‐discharge relevance, emphasizing the limitations of current understanding and offering strategies for ...
Changhee Lee   +3 more
wiley   +1 more source

Amplify-and-Forward Relay Networks With Variable-Length Limited Feedback [PDF]

open access: yes, 2016
We study the channel quantization problem for amplify-And-forward (AF) relay networks and our target is to design a quantizer to minimize the outage probability.
Jafarkhani, Hamid   +2 more
core   +1 more source

An Intelligent Microfluidics Enabled by Data‐Driven Deep Learning‐Based Microrobot‐Assisted Flow Manipulation

open access: yesAdvanced Intelligent Systems, EarlyView.
An AI‐enabled micromixing framework is developed by integrating cGAN with Bayesian optimization for predictive control of microrobot‐driven flow manipulation. Through this framework, the spatiotemporal evolution of micromixing is learned directly from experimental images, while rapid identification of optimized microrobot actuation strategies is ...
Dineshkumar Loganathan, Chia‐Yuan Chen
wiley   +1 more source

LLM‐Based Multimodal Robotic Endoscope Control Framework for Enhancing Human–Robot Interaction in Minimally Invasive Surgery

open access: yesAdvanced Intelligent Systems, EarlyView.
An large language model‐powered multimodal framework is developed for robotic endoscope control. It integrates speech recognition and real‐time instrument tracking, achieving 89.47% command accuracy with ~1s latency for natural human–robot interaction in minimally invasive surgery.
Yisen Huang   +7 more
wiley   +1 more source

Space shift keying with amplify-and-forward MIMO relaying

open access: yes
Space shift keying (SSK) is a multiple-input, multiple-output system where the indices of the transmit antennas form the constellation symbols and no other data symbol is transmitted.
Ikki SS, Mesleh R
core   +4 more sources

Covert Communications in a Hybrid DF/AF Relay System

open access: yesSensors
In this paper, we study covert communications in a hybrid decode-and-forward (DF)/ amplify-and-forward (AF) relay system. The considered relay in normal operation forwards messages from a source node to a destination node in either DF or AF mode on ...
Jihwan Moon
doaj   +1 more source

Outage Probability of Dual-Hop Multiple Antenna Relay Systems with Interference at the Relay and Destination

open access: yesInternational Journal of Antennas and Propagation, 2014
This paper analyzes the outage performance of a dual-hop relaying system in which the relay is equipped with multiple antennas, while the source and destination have a single antenna.
Mengmeng Liu, Jianhua Zhang, Ping Zhang
doaj   +1 more source

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