Results 71 to 80 of about 1,530,208 (226)

OTFS-Based Handover Triggering in UAV Networks

Drones
In this paper, delay Doppler (DD) domain is utilized for enabling an efficient handover-triggering mechanism in highly dynamic unmanned aerial vehicles (UAVs) or drones to ground networks.
Ehab Mahmoud Mohamed, Hany S. Hussein, Mohammad Ahmed Alnakhli, Sherief Hashima   +3 more
doaj   +1 more source

Kernel Adaptive Filters With Feedback Based on Maximum Correntropy

IEEE Access, 2018
This paper presents novel kernel adaptive filters with feedback, namely, kernel recursive maximum correntropy with multiple feedback (KRMC-MF) and its simplified version, a linear recurrent kernel online learning algorithm based on maximum correntropy ...
Shiyuan Wang, Lujuan Dang, Wanli Wang, Guobing Qian, Chi K. Tse   +4 more
doaj   +1 more source

Space-Time Equalisation Assisted Minimum Bit-Error Ratio Multiuser Detection for SDMA Systems

, 2005
This contribution investigates a space-time equalisation assisted multiuser detection scheme designed for multiple receiver antenna aided space division multiple access (SDMA) systems.
Chen, S., Hanzo, L., Yang, X.C.
core  

Adaptive beamforming based on improved particle swarm algorithm

上海师范大学学报. 自然科学版, 2017
Based on minimum mean square error criterion,the problem of solving the weight of adaptive beamforming is represented as a multi-objective optimization model,and a proposed particle swarm optimization algorithm is used to obtain the optimal weight vector
Cheng Qingqing, Li Li, Zhou Xiaoping, Liu Qiao   +3 more
doaj   +1 more source

Shadow detection with multi-feature fusion and MMSE optimization

Dianzi Jishu Yingyong, 2018
In order to reduce the interference of shadow to detection results of moving targets, a shadow detection method is proposed, which can be made as the post-processing step of motion detection methods.
Zhang Han, Yan Huaiping, Zhang Zhan
doaj   +1 more source

Adaptive minimum symbol error rate beamforming assisted receiver for quadrature amplitude modulation systems

, 2006
An adaptive beamforming assisted receiver is proposed for multiple antenna aided multiuser systems that employ bandwidth efficient quadrature amplitude modulation (QAM).
Chen, S., Du, H.Q, Hanzo, L.
core  

Low-Complexity Channel Estimation in Large-Scale MIMO using Polynomial Expansion

, 2013
This paper considers pilot-based channel estimation in large-scale multiple-input multiple-output (MIMO) communication systems, also known as "massive MIMO".
Bengtsson, Mats, Björnson, Emil, Debbah, Mérouane, Shariati, Nafiseh   +3 more
core   +3 more sources

An effective parameter estimation on thermoelectric devices for power generation based on multiverse optimization algorithm

Results in Engineering
This study explores using the Multiverse Optimization Algorithm to estimate the material properties of thermoelectric generators used for power generation. The modeling of these modules is complex due to nonlinear differential equations and the challenge
Luis Fernando Grisales-Noreña, Vanessa Botero-Gómez, Rubén Iván Bolaños, Faustino Moreno-Gamboa, Daniel Sanin-Villa   +4 more
doaj   +1 more source

Forecast Skill of Minimum and Maximum Temperatures on Subseasonal‐to‐Seasonal Timescales Over South Africa

Earth and Space Science, 2020
Forecast skill of three subseasonal‐to‐seasonal models and their ensemble mean outputs are evaluated in predicting the surface minimum and maximum temperatures at subseasonal timescales over South Africa.
Steven Phakula, Willem A. Landman, Christien J. Engelbrecht, Thabo Makgoale   +3 more
doaj   +1 more source

Improved Low-Complexity Demodulation: Integrating Minimum-Mean-Square-Error and Maximum-Likelihood Detection for Image-Sensor-Based Visible Light Communication

IEEE Access
This study proposes an improved low-complexity signal demodulation method for a visible light communication (VLC) system with an image sensor as a receiver and light-emitting diode (LED) transmitters.
Yuki Ohira, Shintaro Arai, Kengo Fujii, Tomohiro Yendo   +3 more
doaj   +1 more source