192 citations · 318 across the 33 of their papers we have counts for
32 papers · 1 filter
Finite-blocklength performance of polar wiretap codes under a total variation secrecy constraint
Laura Luzzi, Valerio Bioglio
We study the performance of polarizing codes over a degraded symmetric wiretap channel under a total variation distance (TVD) secrecy constraint. We show that the leakage can be bo…
Covert Capacity of AWGN Channels under Average Error Probability
C. Bouette, L. Luzzi, M. Bloch
We derive upper and lower bounds for the covert capacity of Additive White Gaussian Noise channels when measuring reliability in terms of the average error probability and covertne…
Covert Communication Over Additive-Noise Channels
Cécile Bouette, Laura Luzzi, Ligong Wang
We study the fundamental limits of covert communications over general memoryless additive-noise channels. We assume that the legitimate receiver and the eavesdropper share the same…
Covert Communication over Two Types of Additive Noise Channels
Cécile Bouette, Laura Luzzi, Ligong Wang
We extend previous results on covert communication over the additive white Gaussian noise channel to two other types of additive noise channels. The first is the Gaussian channel w…
Optimal rate-limited secret key generation from Gaussian sources using lattices
Laura Luzzi, Cong Ling, Matthieu R. Bloch
We propose a lattice-based scheme for secret key generation from Gaussian sources in the presence of an eavesdropper, and show that it achieves the strong secret key capacity in th…
Finite Blocklength Secrecy Analysis of Polar and Reed-Muller Codes in BEC Semi-Deterministic Wiretap Channels
Mahdi Shakiba-Herfeh, Laura Luzzi, Arsenia Chorti
In this paper, we consider a semi-deterministic wiretap channel where the main channel is noiseless and the eavesdropper's channel is a binary erasure channel (BEC). We provide a l…
The DMT of Real and Quaternionic Lattice Codes and DMT Classification of Division Algebra Codes
Roope Vehkalahti, Laura Luzzi
In this paper we consider the diversity-multiplexing gain tradeoff (DMT) of so-called minimum delay asymmetric space-time codes. Such codes are less than full dimensional lattices…
Strong Coordination over Noisy Channels with Strictly Causal Encoding
Giulia Cervia, Laura Luzzi, Maël Le Treust +1
We consider a network of two nodes separated by a noisy channel, in which the input and output signals have to be coordinated with the source and its reconstruction. In the case of…
Polar codes for empirical coordination over noisy channels with strictly causal encoding
Giulia Cervia, Laura Luzzi, Maël Le Treust +1
In this paper, we propose a coding scheme based on polar codes for empirical coordination of autonomous devices. We consider a two-node network with a noisy link in which the input…
The DMT classification of real and quaternionic lattice codes
Laura Luzzi, Roope Vehkalahti
In this paper we consider space-time codes where the code-words are restricted to either real or quaternion matrices. We prove two separate diversity-multiplexing gain trade-off (D…
Strong coordination of signals and actions over noisy channels with two-sided state information
Giulia Cervia, Laura Luzzi, Maël Le Treust +1
We consider a network of two nodes separated by a noisy channel with two-sided state information, in which the input and output signals have to be coordinated with the source and i…
Algebraic lattice codes for linear fading channels
Laura Luzzi, Roope Vehkalahti
In the decades following Shannon's work, the quest to design codes for the additive white Gaussian noise (AWGN) channel led to the development of a rich theory, revealing a number…
Strong Coordination of Signals and Actions over Noisy Channels
Giulia Cervia, Laura Luzzi, Maël Le Treust +1
-We develop a random binning scheme for strong coordination in a network of two nodes separated by a noisy channel, in which the input and output signals have to be coordinated wit…
Almost universal codes for MIMO wiretap channels
Laura Luzzi, Roope Vehkalahti, Cong Ling
Despite several works on secrecy coding for fading and MIMO wiretap channels from an error probability perspective, the construction of information-theoretically secure codes over…
Polar Coding for Empirical Coordination of Signals and Actions over Noisy Channels
Giulia Cervia, Laura Luzzi, Matthieu Bloch +1
-We develop a polar coding scheme for empirical coordination in a two-node network with a noisy link in which the input and output signals have to be coordinated with the source an…
Almost universal codes for fading wiretap channels
Laura Luzzi, Cong Ling, Roope Vehkalahti
We consider a fading wiretap channel model where the transmitter has only statistical channel state information, and the legitimate receiver and eavesdropper have perfect channel s…
Towards a complete DMT classification of division algebra codes
Laura Luzzi, Roope Vehkalahti, Alexander Gorodnik
This work aims at providing new bounds for the diversity multiplexing gain trade-off of a general class of division algebra based lattice codes. In the low multiplexing gain regime…
Almost universal codes achieving ergodic MIMO capacity within a constant gap
Laura Luzzi, Roope Vehkalahti
This work addresses the question of achieving capacity with lattice codes in multi-antenna block fading channels when the number of fading blocks tends to infinity. A design criter…
Division algebra codes achieve MIMO block fading channel capacity within a constant gap
Laura Luzzi, Roope Vehkalahti
This work addresses the question of achieving capacity with lattice codes in multi-antenna block fading channels when the number of fading blocks tends to infinity. In contrast to…
Estimates for the growth of inverse determinant sums of quasi-orthogonal and number field lattices
Roope Vehkalahti, Laura Luzzi
Inverse determinant sums appear naturally as a tool for analyzing performance of space-time codes in Rayleigh fading channels. This work will analyze the growth of inverse determin…
Number field lattices achieve Gaussian and Rayleigh channel capacity within a constant gap
Roope Vehkalahti, Laura Luzzi
This paper proves that a family of number field lattice codes simultaneously achieves a constant gap to capacity in Rayleigh fast fading and Gaussian channels. The key property in…
Shifted inverse determinant sums and new bounds for the DMT of space-time lattice codes
Roope Vehkalahti, Laura Luzzi, Jean-Claude Belfiore
This paper considers shifted inverse determinant sums arising from the union bound of the pairwise error probability for space-time codes in multiple-antenna fading channels. Previ…
A new design criterion for spherically-shaped division algebra-based space-time codes
Laura Luzzi, Roope Vehkalahti
This work considers normalized inverse determinant sums as a tool for analyzing the performance of division algebra based space-time codes for multiple antenna wireless systems. A…
Secret key generation from Gaussian sources using lattice hashing
Cong Ling, Laura Luzzi, Matthieu R. Bloch
We propose a simple yet complete lattice-based scheme for secret key generation from Gaussian sources in the presence of an eavesdropper, and show that it achieves strong secret ke…