Results 71 to 80 of about 878,777 (290)
LDPC concatenated space-time block coded system in multipath fading environment: Analysis and evaluation [PDF]
Maejo International Journal of Science and Technology, 2011 Irregular low-density parity-check (LDPC) codes have been found to show exceptionally good performance for single antenna systems over a wide class of channels. In this paper, the performance of LDPC codes with multiple antenna systems is investigated in
Surbhi Sharma
doaj
Unveiling the Hyper-Rayleigh Regime of the Fluctuating Two-Ray Fading Model
IEEE Access, 2019 The recently proposed fluctuating two-ray (FTR) model is gaining momentum as a reference fading model in scenarios where two dominant specular waves are present.
Celia Garcia-Corrales +4 more
doaj +1 more source
Red Blood Cells as Endogenous Biotweezers for Optical Micromanipulation In Vivo
Advanced Science, EarlyView.By synergistically integrating the long‐distance manipulation fiber probe (LDMFP) and endogenous red blood cells (RBCs) as biocompatible optical elements, a natural RBC biotweezer was developed for the desired microparticle manipulation and immune cell activation within living vasculature, which might offer an alternative tool for intravital optical ...
Tong Yang +9 more
wiley +1 more source
Output Statistics of MIMO Channels with General Input Distribution [PDF]
, 2013 The information that can be conveyed through a wireless channel, with multiple-antenna equipped transmitter and receiver, crucially depends on the channel behavior as well as on the input structure. In this paper, we derive analytical results, concerning
Alfano, Giuseppa +7 more
core +1 more source
Bio‐Inspired Gradient Coatings Enhance the Leading Edge Erosion Resistance of Wind Blades
Advanced Science, EarlyView.Rain‐induced erosion of the wind turbine blade leading edge poses a critical challenge to maintenance and operation. Here, we propose a bio‐inspired approach for erosion protection utilising a platelet‐reinforced polyurethane coating with a graded through‐thickness architecture.
Natalia Sofia Guevara‐Sotelo +2 more
wiley +1 more source
Performance Upper Bound of Adaptive QAM in Slow Rayleigh-Fading Environments
, 1996 The performance of adaptive modulation schemes that employ either no transmission, BPSK, QPSK, 16 Square QAM and 64 Square QAM is characterised for transmissions over Rayleigh channels.
J. M. Torrance +3 more
core +1 more source
CW‐Pumped Amplified Spontaneous Emission From Thermally Evaporated CsPbBr3 Films
Advanced Science, EarlyView.Thermally evaporated CsPbBr3 thin films sustain amplified spontaneous emission from short‐pulse toward quasi‐continuous‐wave excitation. Time‐resolved spectroscopy, controlled excitation, and substrate engineering reveal how excitation duration governs optical‐gain stability.
Yuliia Kominko +5 more
wiley +1 more source
Journal of Engineering and Sustainable Development, 2007 Serial concatenated convolutional coding with iterative decoding is examined for data transmission employing BFSK (binary frequency shift keying) modulation and non-coherent detection receiver.
Maha George Zia
doaj
Rayleigh Fading Multiple Access Channel Without Channel State Information [PDF]
, 2004 In this paper we determine bounds of the capacity region of a two-user multiple-access channel with Rayleigh fading when neither the transmitters nor the receiver has channel state information (CSI). We assume that the fading coefficients as well as the additive noise are zero-mean complex Gaussian and there is an average power constraint at the ...
openaire +2 more sources
Amplify-and-Forward Relaying Aided Reed-Solomon Coded Hybrid-ARQ Relying on Realistic Channel Estimation [PDF]
, 2010 Channel estimation (CE) plays an important role in determining the achievable performance of coherently detected communications systems. In this paper, the impact of imperfect CE on Reed-Solomon coded Hybrid Automatic-Repeat-Request (ReS/H-ARQ) systems ...
Ngo, Hoang Anh +3 more
core +1 more source