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Tributes pour in as nation learns about the passing of legendary statistician-mathematician C R Rao just shy of 103

Tributes pour in as nation learns about the passing of legendary statistician-mathematician C R Rao just shy of 103
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Message Passing Based Structured Sparse Signal Recovery for Estimation by Fei Liu, Zhengdao Yuan et al

Message Passing Based Structured Sparse Signal Recovery for Estimation by Fei Liu, Zhengdao Yuan et al
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Cramer rao lower bound

Energy-Harvesting Aided Unmanned Aerial Vehicles for Reliable Ground U by Ngoc Phuc Le, Le Chung Tran et al

In this paper, we propose a wireless localization system based on energy-harvesting aided unmanned aerial vehicles (UAV). Our proposed system consists of a ground station (GS), a UAV, and multiple users located on the ground, in which both the ground station and all the ground users (GUs) want to know the locations of the ground users. To this end, the UAV first harvests energy from the GS, and then broadcasts signals to the GUs for localization. Each GU will estimate its location, and then transmits data, including its location information, to the GS with the help of the UAV. The links between nodes experience both large-scale lognormal shadowing and small-scale Nakagami-m fading. We first derive the Cramer-Rao lower bound (CRLB) under spatially correlated shadowing for localization performance evaluation. Next, we analyze the system throughput under delay-limited and delay-tolerant transmission modes. To derive exact closed-form expressions as well as high signal-to-noise ratio (SNR)

Cramer rao lower boundEnergy harvestingOgnormal nakagamim fadingUnmanned aerial vehicle uavக்ரேமர் ராவ் கீழ் பிணைக்கப்பட்டுள்ளது