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Machine learning based altitude-dependent empirical LoS probability model for air-to-ground communications
Line-of-sight (LoS) probability prediction is critical to the performance optimization of wireless communication systems. However, it is challenging to predict the LoS probability of air-to-ground (A2G) commun...
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Article
A novel dopant for spiro-OMeTAD towards efficient and stable perovskite solar cells
2,2′,7,7′-tetrakis-(N,N-di-4-methoxyphenylamino)-9,9′-spirobifluorene (spiro-OMeTAD), as the most common used hole transport material (HTM), plays a significant role in the normal structured (n-i-p) high-efficien...