Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of GothenburgSE951 papers
- Centre National de la Recherche ScientifiqueFR805 papers
- Leiden UniversityNL590 papers
- Max Planck Institute for Radio AstronomyDE405 papers
- European Southern ObservatoryCL356 papers
- Center for Astrophysics Harvard & SmithsonianUS313 papers
- Leiden Observatory304 papers
- California Institute of TechnologyUS296 papers
- National Astronomical Observatory of JapanJP280 papers
- Observatoire de ParisFR268 papers
- Stockholm UniversitySE262 papers
- Centro de AstrobiologíaES252 papers
20 papers · 2 filters
Reliable recovery of hierarchically sparse signals for Gaussian and Kronecker product measurements
Ingo Roth, Martin Kliesch, Axel Flinth +2
We propose and analyze a solution to the problem of recovering a block sparse signal with sparse blocks from linear measurements. Such problems naturally emerge inter alia in the c…
Private Information Retrieval in Distributed Storage Systems Using an Arbitrary Linear Code
Siddhartha Kumar, Eirik Rosnes, Alexandre Graell i Amat
We propose an information-theoretic private information retrieval (PIR) scheme for distributed storage systems where data is stored using a linear systematic code of rate …
Low-latency Ultra Reliable 5G Communications: Finite-Blocklength Bounds and Coding Schemes
Johan Östman, Giuseppe Durisi, Erik G. Ström +3
Future autonomous systems require wireless connectivity able to support extremely stringent requirements on both latency and reliability. In this paper, we leverage recent developm…
Vehicle-to-Vehicle Communications with Urban Intersection Path Loss Models
Mouhamed Abdulla, Erik Steinmetz, Henk Wymeersch
Vehicle-to-vehicle (V2V) communication can improve road safety and traffic efficiency, particularly around critical areas such as intersections. We analytically derive V2V success…
Transmission Strategies for Remote Estimation with an Energy Harvesting Sensor
Ayca Ozcelikkale, Tomas McKelvey, Mats Viberg
We consider the remote estimation of a time-correlated signal using an energy harvesting (EH) sensor. The sensor observes the unknown signal and communicates its observations to a…
Location-Aided Pilot Contamination Avoidance for Massive MIMO Systems
L. Srikar Muppirisetty, Themistoklis Charalambous, Johnny Karout +2
Pilot contamination, defined as the interference during the channel estimation process due to reusing the same pilot sequences in neighboring cells, can severely degrade the perfor…
Finite Length Weight Enumerator Analysis of Braided Convolutional Codes
Saeedeh Moloudi, Michael Lentmaier, Alexandre Graell i Amat
Braided convolutional codes (BCCs) are a class of spatially coupled turbo-like codes (SC-TCs) with excellent belief propagation (BP) thresholds. In this paper, we analyze the perfo…
Direct Localization for Massive MIMO
Nil Garcia, Henk Wymeersch, Erik G. Larsson +2
Large-scale MIMO systems are well known for their advantages in communications, but they also have the potential for providing very accurate localization thanks to their high angul…
Unequal Error Protection in Coded Slotted ALOHA
Mikhail Ivanov, Fredrik Brannstrom, Alexandre Graell i Amat +1
We analyze the performance of coded slotted ALOHA systems for a scenario where users have different error protection requirements and correspondingly can be divided into user class…
Asymptotic Comparison of ML and MAP Detectors for Multidimensional Constellations
Alex Alvarado, Erik Agrell, Fredrik Brännström
A classical problem in digital communications is to evaluate the symbol error probability (SEP) and bit error probability (BEP) of a multidimensional constellation over an additive…
Massive Machine-type Communications in 5G: Physical and MAC-layer solutions
Carsten Bockelmann, Nuno Pratas, Hosein Nikopour +5
Machine-type communications (MTC) are expected to play an essential role within future 5G systems. In the FP7 project METIS, MTC has been further classified into "massive Machine-T…
Improved Lower Bounds on Mutual Information Accounting for Nonlinear Signal-Noise Interaction
Naga V. Irukulapati, Marco Secondini, Erik Agrell +2
In fiber-optic communications, evaluation of mutual information (MI) is still an open issue due to the unavailability of an exact and mathematically tractable channel model. Tradit…
Spatially Coupled Turbo-Like Codes
Saeedeh Moloudi, Michael Lentmaier, Alexandre Graell i Amat
In this paper, we introduce the concept of spatially coupled turbo-like codes (SC-TCs) as the spatial coupling of a number of turbo-like code ensembles. In particular, we consider…
On the Performance of RF-FSO Links with and without Hybrid ARQ
Behrooz Makki, Tommy Svensson, Thomas Eriksson +1
This paper studies the performance of hybrid radio-frequency (RF) and free-space optical (FSO) links assuming perfect channel state information (CSI) at the receiver. Considering t…
Performance Analysis of ARQ-based RF-FSO Links
Behrooz Makki, Tommy Svensson, Thomas Eriksson +1
In this letter, we study the performance of hybrid radio-frequency (RF) and free-space optical (FSO) links using automatic repeat request (ARQ). We derive closed-form expressions f…
Throughput Analysis of Massive MIMO Uplink with Low-Resolution ADCs
Sven Jacobsson, Giuseppe Durisi, Mikael Coldrey +2
We investigate the uplink throughput achievable by a multiple-user (MU) massive multiple-input multiple-output (MIMO) system in which the base station is equipped with a large numb…
Modulation Format Independent Joint Polarization and Phase Tracking for Coherent Receivers
Cristian B. Czegledi, Erik Agrell, Magnus Karlsson +1
The state of polarization and the carrier phase drift dynamically during transmission in a random fashion in coherent optical fiber communications. The typical digital signal proce…
A Beta-Beta Achievability Bound with Applications
Wei Yang, Austin Collins, Giuseppe Durisi +2
A channel coding achievability bound expressed in terms of the ratio between two Neyman-Pearson functions is proposed. This bound is the dual of a converse bound established ea…
Robust Successive Compute-and-Forward over Multi-User Multi-Relay Networks
Mohsen Hejazi, Seyed Mohammad Azimi-Abarghouyi, Behrooz Makki +2
This paper develops efficient Compute-and-forward (CMF) schemes in multi-user multi-relay networks. To solve the rank failure problem in CMF setups and to achieve full diversity of…
Distributed Storage in Mobile Wireless Networks with Device-to-Device Communication
Jesper Pedersen, Alexandre Graell i Amat, Iryna Andriyanova +1
We consider the use of distributed storage (DS) to reduce the communication cost of content delivery in wireless networks. Content is stored (cached) in a number of mobile devices…