Results 51 to 60 of about 49,792 (241)

Square-Wave Spatial Optical Orthogonal Frequency-Division Multiplexing

open access: yesIEEE Photonics Journal
Visible light communication (VLC) systems leverage illumination devices, such as light-emitting diodes (LEDs), to serve a dual role as indoor high-speed communication downlinks.
Mohammed S. A. Mossaad   +5 more
doaj   +1 more source

Unlocking the Potential of MXene‐Based Electrochemical Biosensors: A Review of Biofunctionalization Strategies and Biosensing Principles

open access: yesAdvanced Materials Technologies, EarlyView.
ABSTRACT Electrochemical biosensors enable the accurate and timely detection of clinical biomarkers, improving healthcare and precision medicine. MXene nanosheets, a class of 2D transition metal carbides, nitrides, and carbonitrides, are promising materials for developing next‐generation electrochemical biosensors due to their unique physicochemical ...
Muhsin Ali   +4 more
wiley   +1 more source

Extremely low frequency based communication link [PDF]

open access: yes, 2009
The paper discusses the literature review and the possibility of using the ground itself as transmission medium for various users’ transceivers and an administrator transceiver using Multi-Carrier-Direct Sequence-Code Division Multiple Access (MC-DS-CDMA)
Alaiwi, A   +3 more
core  

Smart Closed‐Loop Systems in Personalized Healthcare: Advances and Outlook

open access: yesAdvanced Materials Technologies, EarlyView.
A smart closed‐loop e‐textile integrates multimodal sensing, onboard processing, wireless communication, and wearable power to enable real‐time physiological/biochemical monitoring and feedback‐controlled therapy. ABSTRACT Smart textiles represent a revolutionary frontier in healthcare, seamlessly blending fabric and advanced technologies to create ...
Safoora Khosravi   +12 more
wiley   +1 more source

Multi-Carrier Waveforms and Multiple Access Strategies in Wireless Networks: Performance, Applications, and Challenges

open access: yesIEEE Access, 2022
Current generation mobile communications require high-quality services. Adopting multiple access (MA) and multi-carrier waveforms potentially enhances the quality of services offered to end-users.
Tewelgn Kebede   +4 more
doaj   +1 more source

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 ...
Hanzo, L., Yang, L-L.
core   +1 more source

Recent Advances in Decoupling Strategies for Soft Sensors

open access: yesAdvanced Science, EarlyView.
This review provides an overview of recent advances in decoupling strategies for soft sensors. It summarizes single‐modal sensors that are insensitive to stretching, bending, crosstalk, and other environmental interferences, and highlights emerging multimodal decoupling methods enabled by spatiotemporal information and machine learning.
Yangbo Yuan   +4 more
wiley   +1 more source

DSG2+ Cancer Stem Cells Co‐Located With FAP+ Myofibroblasts in the Tumor Boundary That Determines the Efficacy of Immunotherapy in Non‐Small Cell Lung Cancer

open access: yesAdvanced Science, EarlyView.
Cancer stem cells (CSCs) in non‐small cell lung cancer display pronounced plasticity and spatial heterogeneity. By integrating single‐cell and spatial transcriptomics, this study defines a DSG2‐associated CSC program and reveals a tumor‐margin niche formed with FAP+ myofibroblasts.
Guangyu Fan   +8 more
wiley   +1 more source

Orthogonal Frequency Division Multiplexing With Generalized Joint Index Modulation

open access: yesIEEE Open Journal of the Communications Society
Orthogonal frequency division multiplexing with index modulation (OFDM-IM) is a promising multi-carrier technique for next generation wireless communication networks.
Zeng Hu   +7 more
doaj   +1 more source

Orthogonal Chirp Division Multiplexing

open access: yes, 2016
Chirp waveform plays a significant role in radar and communication systems for its ability of pulse compression and spread spectrum. This paper presents a principle of orthogonally multiplexing a bank of linear chirp waveforms within the same bandwidth ...
Ouyang, Xing, Zhao, Jian
core   +1 more source

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