Results 11 to 20 of about 11,551 (206)

Dry Deposition Strategies for MALDI-MS Imaging: Principles, Advances and Emerging Applications. [PDF]

open access: yesAnal Sci Adv
ABSTRACT Matrix‐assisted laser desorption/ionisation mass spectrometry imaging (MALDI–MSI) has become a pivotal tool in biomedical research, enabling untargeted, spatially resolved analysis of molecular species in complex biological tissues. Among the critical steps in MALDI–MSI workflows, matrix deposition significantly influences sensitivity, spatial
Mahamdi T, Yanes O.
europepmc   +2 more sources

Toward 5G High Utilizations: A survey on OFDMA-based Resource Allocation Techniques in Next-Generation Broadband Wireless Access Networks [PDF]

open access: yesEAI Endorsed Transactions on Mobile Communications and Applications, 2021
LTE is marketed as 4G standard for wireless communication services. LTE network technologies provide a high speed triple play services like data, voice, and video with QoS provision. The resource allocation techniques primary
Ibrahim Al-Surmi   +2 more
doaj   +1 more source

MIMO Detector for LTE/LTE-A Uplink Receiver [PDF]

open access: yesJournal of Signal Processing Systems, 2018
We propose a carefully selected receiver structure, detector and detector implementation architecture for multiple-input multiple-output (MIMO) uplink base station receiver for fourth generation (4G) wireless cellular systems. First, we compare different receiver algorithms and structures for single-carrier frequency-division multiple access (SC-FDMA ...
Tuomo Hänninen   +2 more
openaire   +2 more sources

Estimation of the Available Bandwidth of the Cellular Network Connection with Android API

open access: yesProceedings of the International Conference on Applied Innovations in IT, 2022
The speed at which mobile and wireless networks are currently developed continues to be astounding. The rate of data reception and transmission over a wireless network becomes a major factor for consumers and mobile phone service providers, as service ...
Maxim Gering   +2 more
doaj   +1 more source

3GPP LTE and LTE-Advanced

open access: yesEURASIP Journal on Wireless Communications and Networking, 2009
Editorial introductòria del número de la revista, en la qual s'exposa el tema del nou estàndard de mòbil, anomenat/nLong-TermEvolution (LTE),/ntambé referenciat com Evolved UMTS Terrestrial Radio Access/n(E-UTRA), que s'està definint com el substitut del sistema UMTS/nde tercera generació. LTE-Advanced, al seu torn, es refereix a la versió més avançada
Bruno Clerckx   +4 more
openaire   +4 more sources

A Hybrid Authentication Protocol for LTE/LTE-A Network [PDF]

open access: yesIEEE Access, 2019
The wireless technology has revolutionized and had a significant impact on every aspect of people's life. Confidential information, financial transactions, and sensitive conversations are frequent via the wireless network and securing all these data are of the utmost importance. In this paper, we discuss the major weaknesses of the long-term evolution (
Jianhong Zhou, Maode Ma, Sanshan Sun
openaire   +3 more sources

LTE/LTE‐Advanced Cellular Communication Networks [PDF]

open access: yesJournal of Electrical and Computer Engineering, 2010
1Department of Electrical and Computer Engineering, The University of British Columbia, Vancouver, BC, Canada V6T 1Z4 2Centre for Wireless Network Design, University of Bedfordshire, Bedfordshire LU1 3JU, UK 3NSN Research, Nokia Siemens Networks, 02610 Espoo, Finland 4Key Laboratory of Universal Wireless Communication, Beijing University of Posts and ...
Cyril Leung   +3 more
openaire   +2 more sources

Towards a European infrastructure for quantum gravimetry [PDF]

open access: yesE3S Web of Conferences
Gravity measurements provide a unique tool to image the subsurface, as they supply direct information on mass changes. Following decades of research, developments and industrial transfers, quantum technology reached a high level of maturity and it is now
Lautier-Gaud Jean, Merlet Sébastien
doaj   +1 more source

Microphysics and dynamics of snowfall associated with a warm conveyor belt over Korea [PDF]

open access: yesAtmospheric Chemistry and Physics, 2020
On 28 February 2018, 57 mm of precipitation associated with a warm conveyor belt (WCB) fell within 21 h over South Korea. To investigate how the large-scale circulation influenced the microphysics of this intense precipitation event, we ...
J. Gehring   +5 more
doaj   +1 more source

Rendimiento de la técnica de acceso múltiple no ortogonal (NOMA) en un sistema de comunicación móvil Long-Term Evolution (LTE)

open access: yesNOVASINERGIA, 2020
La creciente demanda de datos a través de las redes móviles y la búsqueda de servicios más eficientes por parte de los usuarios han inducido a la generación de nuevas técnicas que incrementen la eficiencia espectral.
Néstor Estrada Brito   +1 more
doaj   +1 more source

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