Results 21 to 30 of about 832 (201)

Blind Joint Soft-Detection Assisted Slow Frequency-Hopping Multicarrier DS-CDMA [PDF]

open access: yes, 2000
A novel multiple-access scheme based on slow frequency-hopping multicarrier direct-sequence, code-division multiple access (SFH/MC DS-CDMA) is proposed and investigated, which can be rendered compatible with the existing second-generation narrow-band ...
Lie-Liang Yang   +3 more
core   +1 more source

Intersymbol Decorrelating Detector for Asynchronous CDMA Networks with Multipath

open access: yesEURASIP Journal on Wireless Communications and Networking, 2005
Most reported multiuser detection techniques for CDMA systems need the channel estimation including the delay spread and the parameters of the multipath channel of the desired user.
Zhang Gaonan, Bi Guoan, Yu Qian
doaj   +2 more sources

Increased Genetic Instability in Exfoliated Oral Cells in Patients With Epidermolysis Bullosa

open access: yesOral Diseases, EarlyView.
ABSTRACT Objective To analyze the nuclear abnormalities of cytotoxicity—karyorrhexis (KR), karyolysis (KL), and pyknosis (PN)—and genotoxicity—micronucleus (MN) in exfoliated cells from different sites of the oral mucosa in patients with Epidermolysis Bullosa (EB) and a control group.
Ana Carolina Sias Franco Franzosi   +5 more
wiley   +1 more source

Blind multiuser detection based on instantaneous mixtures

open access: yesTongxin xuebao, 2008
A blind multiuser detection technique used in multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems was proposed.
ZHAO Chen, GOU Bin, WANG Ke
doaj   +2 more sources

Amacrine cell inputs to OFF midget ganglion cells in macaque retina

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend The goal of this study was to explain the findings from physiological studies that OFF midget ganglion cells had larger receptive field centers than expected from their dendritic field diameters. First, we confirmed that OFF mRGCs (OFF MGC) receive input from diffuse bipolar cells (DB) as well as OFF midget bipolar cells (FMB ...
David W. Marshak   +8 more
wiley   +1 more source

Pharmacological inhibition of hydroxysteroid 11‐beta dehydrogenase type 1 (11‐βHSD1) after myocardial infarction preserves cardiac function in a translational mini‐pig model

open access: yesBritish Journal of Pharmacology, Volume 183, Issue 10, Page 2236-2255, May 2026.
Abstract Background and Purpose Plasma glucocorticoids increase acutely after MI, thereafter tissue levels are amplified selectively within cells expressing 11‐ßhydroxysteroid dehydrogenase type 1 (11‐ßHSD1) that regenerates active glucocorticoids from circulating metabolites.
Sara Al Disi   +19 more
wiley   +1 more source

A Blind Synchronous Multi-User DS-CDMA Equaliser With Partial Loading

open access: yes, 2004
In this paper, we propose a blind multiuser detection scheme in a direct sequence CDMA downlink scenario by means of a chip-level equaliser, which can be updated even if not all possible users are active, i.e. the system is partially loaded.
S. Weiss   +5 more
core   +1 more source

Psychosocial interventions to increase social participation for people with dementia living in the community: A systematic review

open access: yesAlzheimer's &Dementia: Behavior &Socioeconomics of Aging, Volume 2, Issue 1, March 2026.
Abstract Less social participation may cause adverse outcomes for people with dementia, but it remains unclear whether existing interventions are effective. We therefore systematically identified interventions aiming to improve social participation for community‐dwelling people with dementia. Across 15 controlled trials (n = 1965) comprising nine (60%)
Zuyu Wang   +5 more
wiley   +1 more source

TopoMAS: Large Language Model Driven Topological Materials Multi‐Agent System

open access: yesMaterials Genome Engineering Advances, Volume 4, Issue 1, March 2026.
TopoMAS is an interactive multi‐agent framework that revolutionizes topological materials discovery through human–AI collaborative intelligence. The system integrates natural language processing, knowledge retrieval from literature and databases, crystal structure generation, and automated first‐principles calculations within a unified workflow.
Baohua Zhang   +5 more
wiley   +1 more source

Noncoherent Multiuser Communications: Multistage Detection and Selective Filtering

open access: yesEURASIP Journal on Advances in Signal Processing, 2002
We consider noncoherent multiuser detection techniques for a system employing nonlinear modulation of nonorthogonal signals. Our aim is to investigate near-optimum noncoherent multiuser-detection techniques that utilize the received signal structure ...
Yener Aylin, Yates Roy D, Sinha Rajnish
doaj   +1 more source

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