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Showing posts with the label wieless

Robust/ flexible ConcreteSC achieves 39x speed boost by lowering overhead for semantic communication in 6G wireless systems

https://www.eurekalert.org/news-releases/1095917 "digital semantic communication foregoing massive codebooks via temperature-controlled concrete distributions, exhibiting improved efficiency/ user experience... outperforms vector quantization-based baselines in terms of structural similarity index/ peak signal-to-noise ratio parameters... no exponential codebook complexity enables large AI models with AI built into every small component, for: factories using ultra-dense machine-type communications, fully autonomous factories, swarms of low-power IoT sensors" Related: AI gives tomorrow's wireless networks a clearer voice https://techxplore.com/news/2026-08-ai-tomorrow-wireless-networks-clearer.html

Significant tunable nonlinear Hall and wireless rectification effects at room temperature in semiconductor tellurium

https://phys.org/news/2024-09-tunable-nonlinear-hall-effect-room.html "generates second-harmonic output up to 2.8 mV (at 300°K), without introducing external magnetic field, order of magnitude higher than previously... tellurium thin flakes work well, inherently breaking inversion symmetry... Hall voltage outputs modulated by external gate voltages.,, primarily driven by extrinsic scattering, with surface symmetry breaking of thin flake structure... replaced AC current with RF signals, realizing wireless RF stable rectified voltage output over a broad frequency range of 0.3 to 4.5 GHz" Related:  The nonlinear Hall effect induced by electrochemical intercalation in MoS2 thin flake devices https://www.eurekalert.org/news-releases/1115942

Hybrid radio frequency/ visible light communication could reduce power consumption in wireless networks

https://techxplore.com/news/2024-08-hybrid-rf-vlc-power-consumption.html "high data transmission with less power consumption/ electromagnetic radiation... utilizes power with respect to user demand, maintaining Quality of Service/ Quality of Experience for particular application in use... transmits binary data as LED light... photo-sensitive photodiode or camera receiver in line of sight extracts information from light... high energy efficiency 37 low Specific Absorption Rate... lower incident/ absorbed power density... enhances battery lifetime of mobile device, increasing lifetime 7 hours"