Results 111 to 120 of about 3,109,645 (230)

A minimum approximate-BER beamforming approach for PSK modulated wireless systems

, 2008
A beamforming algorithm is introduced based on the general objective function that approximates the bit error rate for the wireless systems with binary phase shift keying and quadrature phase shift keying modulation schemes.
Hong, Xia, Chen, Sheng, Hong, X., Chen, S.   +3 more
core   +1 more source

Research on innovative 3D innovation architecture and algorithms for UAV-RIS networks-energy collaborative design

Tongxin xuebao
A systematic research framework for reconfigurable intelligent surface (RIS)-assisted unmanned aerial vehicle (UAV) communication systems in 6G networks was proposed, focusing on three-dimensional innovative architecture and algorithm-energy ...
YAN Qingxin, HU Bing, WANG Enliang, SUN Zhixin   +3 more
doaj  

Avaliação de erros de posicionamento de microfontes e influência da temperatura e umidade relativa na técnica de beamforming [PDF]

, 2013
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-graduação em Engenharia Mecânica, Florianópolis, 2013Existe uma pressão contínua das pessoas e autoridades para a redução dos níveis de ruído das mais ...
Sanches, Diogo
core  

Terahertz MEMS actuators and applications

Microsystems & Nanoengineering
In recent years, micro-electromechanical systems (MEMS) actuators have emerged as innovative solutions for enhancing the dynamic control of terahertz devices, leveraging their advantages of miniaturization, low power consumption, and high integration ...
Zilai Wang, Naibo Zhang, Yiran Zhang, Haozhe Hou, Yu Jin, Conghui Liu, Haijian Huang, Qiuquan Guo, Jianming Huang, Yansong Cui, Weizheng Ren, Dongxing Zhang, Ke Han, Jun Yang   +13 more
doaj   +1 more source

Security Improvement for UAV-Assisted Integrated Sensing, Communication, and Jamming Networks

Telecom
We propose a unmanned aerial vehicle (UAV)-assisted integrated sensing, communication, and jamming (U-ISJC) framework, in which a multifunctional UAV first detects the sensing target to obtain sensing information, and subsequently transmits the ...
Lin Shi, Chuansheng Yan, Dingcheng Yang, Yu Xu, Fahui Wu, Huabing Lu   +5 more
doaj   +1 more source

Digital Beamforming and MIMO SAR: Review and New Concepts [PDF]

, 2012
Spaceborne Synthetic Aperture Radar (SAR) is a unique tool for large scale Earth observation, but the current generation of SAR sensors suffers from some fundamental limitations with regard to their imaging and mapping capabilities.
Villano, Michelangelo, Patyuchenko, Anton, Laskowski, Piotr, Huber, Sigurd, Bordoni, Federica, Moreira, Alberto, Younis, Marwan, Krieger, Gerhard, Kim, Junghyo, Rommel, Tobias, Lopez-Dekker, Paco   +10 more
core  

Multi-Functional Reconfigurable Intelligent Surface Assisted Security Communication Systems Under Imperfect CSI of Eavesdroppers

IEEE Access
In order to overcome the “multiplicative fading” loss and half-space coverage limitations faced by reconfigurable intelligent surfaces (RIS) in secure communications, a more practical multi-functional reconfigurable intelligent surface (MF ...
Rui-Bao Zhang, Dian-Wu Yue, Yu Sun
doaj   +1 more source

Research on the current status and development of 6G integrated sensing and communication (ISAC) technology based on patent data

Dianxin kexue
Integrated sensing and communication (ISAC) technology, regarded as one of the potential key technologies for 6G, expands the functional boundaries of communication systems by deeply integrating communication and sensing functions.
Yu Xiaoxi, Zhang Jiayi
doaj  

Minimum symbol error rate turbo multiuser beamforming aided QAM receiver

, 2008
This paper studies a novel iterative soft interference cancellation (SIC) aided beamforming receiver designed for high-throughput quadrature amplitude modulation systems communicating over additive white Gaussian noise channels.
Chen, Sheng, Tan, S, Hanzo, L
core   +1 more source

IMNMAGN: Integrative Multimodal Approach for Enhanced Detection of Neurodegenerative Diseases Using Fusion of Multidomain Analysis With Graph Networks

IEEE Access
The burgeoning field of neurodegenerative disease detection and management necessitates the development of robust and comprehensive diagnostic approaches.
R Vijay Anand, T Shanmuga Priyan, Madala Guru Brahmam, Balamurugan Balusamy, Francesco Benedetto   +4 more
doaj   +1 more source