Results 41 to 50 of about 11,372 (191)
Large-Scale Multicast Group Secure Transmission Scheme Based on Multi-Carrier FDA
Sensors, 2023 Aiming at the problem that the traditional physical layer technology cannot realize secure transmission due to the large number of users and wide dispersion in the multicast system, a layered transmission method is proposed, and a scheme for the secure ...
Dan Wu +4 more
doaj +1 more source
Advanced Materials Interfaces, Volume 13, Issue 6, 16 March 2026.Mixed halide perovskites suffer from photo‐induced phase segregation, leading to compositional instability and degraded device performance. This review summarizes the dynamic behavior and kinetics of phase segregation in thin films under external stimuli, analyzes compositional and environmental effects, and proposes suppression strategies to enhance ...
Yong Hyun Kim, Hyojung Kim
wiley +1 more source
Duplexing methods for PON systems using multimode fiber with multicarrier transmission [PDF]
, 2005 Deploying a PON using multimode fiber in the access network is viewed as a costeffective solution. However, a multimode fiber link exhibits a time-dispersive nature. To cope with this problem, an OFDM transmission method is used.
Bochove, A.C. van, Taniman, R.O.
core +3 more sources
Multi-service Signal Multiplexing and Isolation for Physical-Layer Network Slicing (PNS) [PDF]
, 2017 Network slicing has been identified as one of the most important features for 5G and beyond to enable operators to utilize networks on an as-a-service basis and meet the wide range of use cases.
Ijaz, Ayesha +4 more
core +1 more source
IET Communications, Volume 20, Issue 1, January/December 2026.This work extends the Polyanskiy‐Poor‐Verdu (PPV) framework to lognormal wireless links. Specifically, the paper derives a closed‐form approximation for the average error probability under lognormal distribution, effectively generalizing the PPV analysis beyond the additive white Gaussian noise assumption.
Peng Du, Yuan Zhang
wiley +1 more source
Waveform Impact on Wireless Power Transfer Efficiency using Low-Power Harvesting Devices
Electrical, Control and Communication Engineering, 2019 The paper addresses the impact of peak-to-average power ratio (PAPR) and spectrum of the waveform, as well as load resistance on the performance of low-power harvesting device in a real-life wireless power transfer (WPT) scenario. In the current study, a
Eidaks Janis +3 more
doaj +1 more source
IET Power Electronics, Volume 19, Issue 1, January/December 2026.The proposed TB‐SCMLI is able to provide seven levels of output voltage by balancing the voltage of two capacitors with the given control logic. The various SCMLIs are evaluated to determine the contribution of the suggested TB‐SCMLI topology's merits and downsides.
Md. Reyaz Hussan +4 more
wiley +1 more source
, 2005 Phase noise and frequency offsets are due to their time-variant behavior one of the most limiting disturbances in practical OFDM designs and therefore intensively studied by many authors.
Jung, Peter, Wunder, Gerhard
core +2 more sources
IET Power Electronics, Volume 19, Issue 1, January/December 2026.Some of the topologies with a fewer number of power switches are reviewed and scrutinized. An extensive analysis of the topologies, control strategy and applications are presented here, suggesting suitable multilevel inverter solutions to the known industrial application or new research.
Anurag Choudhary +5 more
wiley +1 more source
Spectrally Efficient OFDMA Lattice Structure via Toroidal Waveforms on the Time-Frequency Plane
EURASIP Journal on Advances in Signal Processing, 2010 We investigate the performance of frequency division multiplexed (FDM) signals, where multiple orthogonal Hermite-Gaussian carriers are used to increase the bandwidth efficiency.
Sultan Aldirmaz +2 more
doaj +2 more sources