Search Results for author: Nicholas Mastronarde

Found 8 papers, 0 papers with code

Spectrum Coexistence of Satellite-borne Passive Radiometry and Terrestrial Next-G Networks

no code implementations12 Feb 2024 Mohammad Koosha, Nicholas Mastronarde

In this study, we develop a framework based on stochastic geometry to evaluate the statistical characteristics of radio frequency interference (RFI) originating from a large-scale terrestrial Next-G network operating in the same frequency band as an RS satellite.

Coexistence of Satellite-borne Passive Radiometry and Terrestrial NextG Wireless Networks in the 1400-1427 MHz Restricted L-Band

no code implementations13 Dec 2023 Mohammad Koosha, Nicholas Mastronarde

Second, leveraging stochastic geometry, we assess the feasibility of using this passive band within a large-scale network in LoS of SMAP while ensuring that the error induced on SMAP's measurements due to RFI is below a given threshold.

minimizing estimation error variance using a weighted sum of samples from the soil moisture active passive (SMAP) satellite

no code implementations18 Jun 2023 Mohammad Koosha, Nicholas Mastronarde

The National Aeronautics and Space Administration's (NASA) Soil Moisture Active Passive (SMAP) is the latest passive remote sensing satellite operating in the protected L-band spectrum from 1. 400 to 1. 427 GHz.

What is Interpretable? Using Machine Learning to Design Interpretable Decision-Support Systems

no code implementations27 Nov 2018 Owen Lahav, Nicholas Mastronarde, Mihaela van der Schaar

Our results demonstrate that ML experts cannot accurately predict which system outputs will maximize clinicians' confidence in the underlying neural network model, and suggest additional findings that have broad implications to the future of research into ML interpretability and the use of ML in medicine.

BIG-bench Machine Learning Reinforcement Learning (RL)

Estimation of Individual Treatment Effect in Latent Confounder Models via Adversarial Learning

no code implementations21 Nov 2018 Changhee Lee, Nicholas Mastronarde, Mihaela van der Schaar

Estimating the individual treatment effect (ITE) from observational data is essential in medicine.

Accelerated Structure-Aware Reinforcement Learning for Delay-Sensitive Energy Harvesting Wireless Sensors

no code implementations22 Jul 2018 Nikhilesh Sharma, Nicholas Mastronarde, Jacob Chakareski

Our experiments demonstrate that the proposed algorithm closely approximates the performance of an optimal offline solution that requires a priori knowledge of the channel, captured data, and harvested energy dynamics.

Q-Learning reinforcement-learning +2

Structural Properties of Optimal Transmission Policies for Delay-Sensitive Energy Harvesting Wireless Sensors

no code implementations26 Mar 2018 Nikhilesh Sharma, Nicholas Mastronarde, Jacob Chakareski

We consider an energy harvesting sensor transmitting latency-sensitive data over a fading channel.

Networking and Internet Architecture

Fast Reinforcement Learning for Energy-Efficient Wireless Communications

no code implementations29 Sep 2010 Nicholas Mastronarde, Mihaela van der Schaar

The advantages of the proposed online method are that (i) it does not require a priori knowledge of the traffic arrival and channel statistics to determine the jointly optimal power-control, AMC, and DPM policies; (ii) it exploits partial information about the system so that less information needs to be learned than when using conventional reinforcement learning algorithms; and (iii) it obviates the need for action exploration, which severely limits the adaptation speed and run-time performance of conventional reinforcement learning algorithms.

Management reinforcement-learning +2

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