Results 41 to 50 of about 832 (201)
Multiuser MIMO-OFDM for Next-Generation Wireless Systems
, 2007 This overview portrays the 40-year evolution of orthogonal frequency division multiplexing (OFDM) research. The amelioration of powerful multicarrier OFDM arrangements with multiple-input multiple-output (MIMO) systems has numerous benefits, which are ...
Jiang, M +3 more
core +1 more source
Blind Direct Multiuser Detection for Uplink MC-CDMA: Performance Analysis and Robust Implementation
EURASIP Journal on Wireless Communications and Networking, 2004 We consider the problem of blind (i.e., without training sequences) linear mitigation of multiple-access interference in the uplink of quasi-synchronous multicarrier code-division multiple-access (MC-CDMA) systems.
Gelli Giacinto +2 more
doaj +2 more sources
Veterinary Medicine and Science, Volume 11, Issue 5, September 2025.This study investigated the total and neutralizing antibodies transferred to offspring from three mares from Vital Brazil Institute that were pre‐immunized with recombinant SARS‐CoV‐2 trimeric spike protein. They became pregnant during the immunization protocol.
Victor Augusto Roncaglia‐Pereira +12 more
wiley +1 more source
Innovative Channel Estimation Methods for Massive MIMO Using GAN Architectures
IET Communications, Volume 19, Issue 1, January/December 2025.This paper proposes a novel channel estimation framework for massive multiple‐input multiple‐output (MIMO) systems using conditional generative adversarial networks with a U‐Net‐based generator and sequential convolutional neural network discriminator.
Sakhshra Monga +5 more
wiley +1 more source
Direct blind multiuser detection without channel estimation and equalizer design
Tongxin xuebao, 2005 The blind equalization and multiuser detection problem for synchronous high-rate DS-CDMA systems in dispersive channels was considered. Using only the spreading code of the desired user and the property that the transmitted signals belong to the finite ...
ZHANG Zhi-yong1, LING Yun2
doaj +2 more sources
An Immersive Virtual Reality Bimanual Telerobotic System With Haptic Feedback
IET Cyber-Systems and Robotics, Volume 7, Issue 1, January/December 2025.ABSTRACT In robotic bimanual teleoperation, multimodal sensory feedback plays a crucial role, providing operators with a more immersive operating experience, reducing cognitive burden and improving operating efficiency. In this study, we develop an immersive bilateral isomorphic bimanual telerobotic system, which comprises dual arms and dual dexterous ...
Han Xu +8 more
wiley +1 more source
DS/CDMA Multiuser Detectors Based on Subspace Methods
Semina: Ciências Exatas e Tecnológicas, 2006 In this work blind and group-blind (Bld-MuD and SBld-MuD, respectively) multiuser detectors (MuD) are analyzed from the point of view of the trade-off between performance versus complexity; specifically, the blind and group-blind detectors are ...
Paul Jean Etienne Jeszensky +2 more
doaj
Human Behavior and Emerging Technologies, Volume 2025, Issue 1, 2025.Effectively using immersive multiuser environments for digital applications (via virtual, augmented and mixed reality technologies) beckons the future of healthcare delivery in the metaverse. We aimed to evaluate the feasibility and effectiveness of immersive multiuser environments used in health applications while identifying their design features. We
Tohid Zarei +7 more
wiley +1 more source
Unified bit-based probabilistic data association aided MIMO detection for high-order QAM constellations [PDF]
, 2011 A unified Bit-based Probabilistic Data Association (B-PDA) detection approach is proposed for Multiple-Input Multiple-Output (MIMO) systems employing high-order rectangular Quadrature Amplitude Modulation (QAM).
Yang, Shaoshi +7 more
core +1 more source