3 papers
cs.IT2026
An Improved Lower Bound on Cardinality of Support of the Amplitude-Constrained AWGN Channel
Haiyang Wang, Luca Barletta, Alex Dytso
We study the amplitude-constrained additive white Gaussian noise channel. It is well known that the capacity-achieving input distribution for this channel is discrete and supported…
quant-ph2025
Optimization of Information Reconciliation for Decoy-State Quantum Key Distribution over a Satellite Downlink Channel
Thomas Scarinzi, Davide Orsucci, Marco Ferrari +1
Quantum key distribution (QKD) is a cryptographic solution that leverages the properties of quantum mechanics to be resistant and secure even against an attacker with unlimited com…
cs.IT2025
Estimation Error: Distribution and Pointwise Limits
Luca Barletta, Alex Dytso, Shlomo Shamai
In this paper, we examine the distribution and convergence properties of the estimation error , where is the Bayesian estimator of a random variabl…