output
20022026
most citedVariational Problems with Fractional Derivatives: Euler-Lagrange Equations

166 citations

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45 papers · 1 filter

cs.IT2026

Sensing Assisted Satellite Backhaul with FBL UL and Broadcast DL for Massive IoT

Tijana Devaja, Milica Petkovic, Israel Leyva-Mayorga +2

Massive Internet of Things (IoT) networks operate with short packets whose reliability is limited by finite block- length (FBL) effects, while remote deployments increasingly rely…

cs.IT2026★ 1 cited

Tackling heavy-tailed noise in distributed estimation: Asymptotic performance and tradeoffs

Dragana Bajovic, Dusan Jakovetic, Soummya Kar +1

We present an algorithm for distributed estimation of an unknown vector parameter in the presence of heavy-tailed observation and communicatio…

cs.IT2024★ 3 cited

Gilbert-Varshamov Bound for Codes in Metric using Multivariate Analytic Combinatorics

Keshav Goyal, Duc Tu Dao, Mladen Kovačević +1

Analytic combinatorics in several variables refers to a suite of tools that provide sharp asymptotic estimates for certain combinatorial quantities. In this paper, we apply these t…

cs.IT2023★ 1 cited

Vector Multispaces and Multispace Codes

Mladen Kovačević

Basic algebraic and combinatorial properties of finite vector spaces in which individual vectors are allowed to have multiplicities larger than are derived. An application in…

cs.IT2023★ 5 cited

SISO Decoding of Z4 Linear Kerdock and Preparata Codes

Aleksandar Minja, Vojin Šenk

Some nonlinear codes, such as Kerdock and Preparata codes, can be represented as binary images under the Gray map of linear codes over rings. This paper introduces MAP decoding of…

cs.IT2023★ 1 cited

An Information-Theoretic Analog of the Twin Paradox

Mladen Kovačević, Iosif Pinelis, Marios Kountouris

We revisit the familiar scenario involving two parties in relative motion, in which Alice stays at rest while Bob goes on a journey at speed along an arbitrary trajectory and…

cs.IT2022★ 11 cited

Error Rate and Ergodic Capacity of RF-FSO System with Partial Relay Selection in the Presence of Pointing Errors

Milica I. Petkovic, Imran Shafique Ansari, Goran T. Djordjevic +1

This paper presents an analysis of a multiple dual-hop relaying system, which is composed of km-class radio frequency (RF)-free-space optical (FSO) links. Partial relay selection b…

cs.IT2022★ 22 cited

Exact Outage Probability Analysis of the Mixed RF/FSO System With Variable-Gain Relays

Milica I. Petkovic, Zeljen Trpovski

This paper presents a unified analysis of the mixed radio-frequency (RF)/free-space optics (FSO) relaying system, with multiple variable-gain amplify-and-forward relays. The partia…

cs.IT2022★ 1 cited

Optimal Error-Detecting Codes for General Asymmetric Channels via Sperner Theory

Mladen Kovačević, Dejan Vukobratović

Several communication models that are of relevance in practice are asymmetric in the way they act on the transmitted "objects". Examples include channels in which the amplitudes of…

cs.IT2021

Reliability Analysis of Slotted Aloha with Capture for an OWC-based IoT system

Milica Petkovic, Tijana Devaja, Dejan Vukobratovic +2

In this article, we consider a random access scheme for an indoor Internet of Things (IoT) framework that uses optical wireless communication (OWC). We focus on a Slotted ALOHA (SA…

cs.IT2021★ 7 cited

Asymptotic Behavior and Typicality Properties of Runlength-Limited Sequences

Mladen Kovačević, Dejan Vukobratović

This paper studies properties of binary runlength-limited sequences with additional constraints on their Hamming weight and/or their number of runs of identical symbols. An algebra…

cs.IT2020★ 48 cited

Deep Learning Based Packet Detection and Carrier Frequency Offset Estimation in IEEE 802.11ah

Vukan Ninkovic, Aleksandar Valka, Dejan Dumic +1

Wi-Fi systems based on the IEEE 802.11 standards are the most popular wireless interfaces that use Listen Before Talk (LBT) method for channel access. The distinctive feature of a…

cs.IT2019★ 4 cited

On the Maximum Number of Non-Confusable Strings Evolving Under Short Tandem Duplications

Mladen Kovačević

The set of all -ary strings that do not contain repeated substrings of length (i.e., that do not contain substrings of the form , , and $ a…

cs.IT2019★ 11 cited

Observability Analysis for Large-Scale Power Systems Using Factor Graphs

Mirsad Cosovic, Muhamed Delalic, Darijo Raca +1

The state estimation algorithm estimates the values of the state variables based on the measurement model described as the system of equations. Prior to applying the state estimati…

cs.IT2019★ 1 cited

Distributed Intelligent Illumination Control in the Context of Probabilistic Graphical Models

M. Cosovic, T. Devaja, D. Bajovic +5

Lighting systems based on light-emitting diodes (LEDs) possess many benefits over their incandescent counterparts including longer lifespans, lower energy costs, better quality of…

cs.IT2019★ 4 cited

Second- and Third-Order Asymptotics of the Continuous-Time Poisson Channel

Yuta Sakai, Vincent Y. F. Tan, Mladen Kovačević

The paper derives the optimal second-order coding rate for the continuous-time Poisson channel. We also obtain bounds on the third-order coding rate. This is the first instance of…

cs.IT2019★ 21 cited

Zero-Error Capacity of Duplication Channels

Mladen Kovačević

This paper is concerned with the problem of error-free communication over the i.i.d. duplication channel which acts on a transmitted sequence by inserting a rand…

cs.IT2017

Fundamental Limits of Communication Over State-Dependent Channels With Feedback

Mladen Kovačević, Carol Wang, Vincent Y. F. Tan

The fundamental limits of communication over state-dependent discrete memoryless channels with noiseless feedback are studied, under the assumption that the communicating parties a…

cs.IT2017★ 2 cited

A Unification and Generalization of Exact Distributed First Order Methods

Dusan Jakovetic

Recently, there has been significant progress in the development of distributed first order methods. (At least) two different types of methods, designed from very different perspec…

cs.IT2017

Cooperative Slotted ALOHA for Massive M2M Random Access Using Directional Antennas

Aleksandar Mastilovic, Dejan Vukobratovic, Dusan Jakovetic +1

Slotted ALOHA (SA) algorithms with Successive Interference Cancellation (SIC) decoding have received significant attention lately due to their ability to dramatically increase the…

cs.IT2017★ 1 cited

5G Mobile Cellular Networks: Enabling Distributed State Estimation for Smart Grids

Mirsad Cosovic, Achilleas Tsitsimelis, Dejan Vukobratovic +2

With transition towards 5G, mobile cellular networks are evolving into a powerful platform for ubiquitous large-scale information acquisition, communication, storage and processing…

cs.IT2017★ 2 cited

Distributed Gauss-Newton Method for State Estimation Using Belief Propagation

Mirsad Cosovic, Dejan Vukobratovic

We present a novel distributed Gauss-Newton method for the non-linear state estimation (SE) model based on a probabilistic inference method called belief propagation (BP). The main…

cs.IT2016★ 33 cited

CONDENSE: A Reconfigurable Knowledge Acquisition Architecture for Future 5G IoT

Dejan Vukobratovic, Dusan Jakovetic, Vitaly Skachek +5

In forthcoming years, the Internet of Things (IoT) will connect billions of smart devices generating and uploading a deluge of data to the cloud. If successfully extracted, the kno…

cs.IT2016★ 12 cited

State Estimation in Electric Power Systems Using Belief Propagation: An Extended DC Model

Mirsad Cosovic, Dejan Vukobratovic

In this paper, we model an extended DC state estimation (SE) in an electric power system as a factor graph (FG) and solve it using belief propagation (BP) algorithm. The DC model c…