Results 31 to 40 of about 1,857 (183)

A Novel PAPR Reduction Scheme Based on Deep Autoencoder Network for FBMC Systems

open access: yesIEEE Access
Filter bank multicarrier (FBMC) is a crucial complementary waveform to orthogonal frequency-division multiplexing (OFDM) in future communication systems.
Xing Cheng   +4 more
doaj   +1 more source

PAPR Reduction in WiMAX System [PDF]

open access: yes, 2013
Broadband Wireless Access (BWA) has emerged as a promising solution for last mile access technology to provide high speed internet access in the residential as well as small and medium sized enterprise sectors. At this moment, cable and DSL technologies are providing broadband service in these sectors.
Mona Shokair, Hifzalla Sakr
openaire   +1 more source

Cyclins and Cyclin‐Dependent Kinases: Structure, Biological Functions, and Innovative Targeting Strategies in Cancer

open access: yesMedComm, Volume 7, Issue 9, September 2026.
This work synthesizes recent insights into the pathological roles of cyclins and cyclin‐dependent kinases (CDKs) across human cancers, highlights state‐of‐the‐art innovative approaches (especially targeted degradation and redistribution of CDK/cyclin proteins) for cancer therapy, and outlines future directions for CDK/cyclin‐related biomedical research.
Suya Zheng   +9 more
wiley   +1 more source

Enhanced Sub-Block Partitioning and Effective Post-Processing for the PTS Algorithm

open access: yesTikrit Journal of Engineering Sciences
The transmitted OFDM is a multicarrier modulation technique for efficient and reliable data communication. This technique forces a major problem during the signal transmission process, which is a high peak-to-average power ratio (PAPR), leading to ...
Omar Khaldoon Abdulrahman   +2 more
doaj   +1 more source

A novel generalized oppositional biogeography-based optimization algorithm: application to peak to average power ratio reduction in OFDM systems

open access: yesOpen Mathematics, 2016
A major drawback of orthogonal frequency division multiplexing (OFDM) signals is the high value of peak to average power ratio (PAPR). Partial transmit sequences (PTS) is a popular PAPR reduction method with good PAPR reduction performance, but its ...
Goudos Sotirios K.
doaj   +1 more source

A Hybrid PAPR Reduction Method Based on SLM and Multi-Data Block PTS for FBMC/OQAM Systems

open access: yesInformation, 2018
The filter bank multicarrier employing offset quadrature amplitude modulation (FBMC/OQAM) is a candidate transmission scheme for 5G wireless communication systems. However, it has a high peak-to-average power ratio (PAPR). Due to the nature of overlapped
Han Wang
doaj   +1 more source

Mitochondria as the Hub of Apoptosis: A Comprehensive Insight From Mitochondria to Interactions With Other Organelles

open access: yesMedComm, Volume 7, Issue 9, September 2026.
Mitochondria is the hub of apoptosis in various diseases. The disruption of mitochondrial structure (including membrane rupture, cristae remodeling, and mitochondrial membrane lipid redistribution), the imbalance of mitochondrial dynamics (including fusion and fission, autophagy), the release, disruption, and mutation of mitochondria DNA, as well as ...
Rubin Tan   +9 more
wiley   +1 more source

Synergistic Enhancement of Modified‐PVDF Humidity Sensitivity via Chemical Adsorption‐Ionic Conductivity and its Application in Intelligent Powered Air‐Purifying Respirator

open access: yesENERGY &ENVIRONMENTAL MATERIALS, Volume 9, Issue 3, May 2026.
The study developed a PVDF/SiO2 humidity sensor with superhydrophobic properties and integrated the humidity sensor into the intelligent powered air‐purifying respirator (IPAPR) for breath monitoring. Coupled with the Gated Recurrent Unit (GRU) machine learning prediction algorithm, it enables feedforward control of the fan to achieve respiratory ...
Xinjian He   +9 more
wiley   +1 more source

Base Station-Driven PAPR Reduction Method Utilizing Null Space for MIMO-OFDM Systems With Amplify-and-Forward Relaying

open access: yesIEEE Access
This paper proposes a peak-to-average power ratio (PAPR) reduction method that utilizes the null space in a multiple-input multiple-output (MIMO) channel for downlink MIMO-orthogonal frequency division multiplexing (OFDM) signals with multiple-antenna ...
Asuka Kakehashi   +2 more
doaj   +1 more source

Optimization of Tone Reservation-Based PAPR Reduction for OFDM Systems [PDF]

open access: yesRadioengineering, 2017
A major drawback of orthogonal frequency division multiplexing (OFDM) is its high peak-to-average power ratio (PAPR). Tone reservation (TR) is one of the numerous methods for reducing the PAPR.
B. Horvath, B. Botlik
doaj  

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