output
20152026
most citedContextformer: A Transformer with Spatio-Channel Attention for Context Modeling in Learned Image Compression

83 citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions
Showing cs.ITShow all

11 papers · 1 filter

cs.IT2025★ 1 cited

Rate-Adaptive Protograph-Based MacKay-Neal Codes

Ayman Zahr, Emna Ben Yacoub, Balázs Matuz +1

Rate-adaptive MacKay-Neal (MN) codes based on protographs are analyzed. The code construction employs an outer distribution matcher (DM) to adapt the rate of the scheme. The DM is…

cs.IT2022★ 11 cited

Concatenated Forward Error Correction with KP4 and Single Parity Check Codes

Diego Lentner, Emna Ben Yacoub, Stefano Calabrò +3

Concatenated forward error correction is studied using an outer KP4 Reed-Solomon code with hard-decision decoding and inner single parity check (SPC) codes with Chase/Wagner soft-d…

cs.IT2022★ 9 cited

Low-Resolution Precoding for Multi-Antenna Downlink Channels and OFDM

Andrei Stefan Nedelcu, Fabian Steiner, Gerhard Kramer

Downlink precoding is considered for multi-path multi-input single-output channels where the base station uses orthogonal frequency-division multiplexing and low-resolution signali…

cs.IT2021★ 11 cited

Achievable Rates for Short-Reach Fiber-Optic Channels with Direct Detection

Daniel Plabst, Tobias Prinz, Thomas Wiegart +5

Spectrally efficient communication is studied for short-reach fiber-optic links with chromatic dispersion (CD) and receivers that employ direction-detection and oversampling. Achie…

cs.IT2021★ 26 cited

Optimal Capacity-Driven Design of Aperiodic Clustered Phased Arrays for Multi-User MIMO Communication Systems

N. Anselmi, P. Rocca, S. Feuchtinger +3

The optimal design of aperiodic/irregular clustered phased arrays for base stations (BSs) in multi-user multiple-input multiple-output (MU-MIMO) communication systems is addressed.…

cs.IT2020★ 10 cited

Limits of Transmit and Receive Array Gain in Massive MIMO

Tobias Laas, Josef A. Nossek, Wen Xu

In this paper, we consider the transmit and receive antenna array gain of massive MIMO systems. In particular, we look at their dependence on the number of antennas in the array, a…

cs.IT2019★ 18 cited

On Reciprocity in Physically Consistent TDD Systems with Coupled Antennas

Tobias Laas, Josef A. Nossek, Samer Bazzi +1

We consider the reciprocity of the information-theoretic channel of Time Division Duplex (TDD) Multi-User-Multiple Input Multiple Output (MU-MIMO) systems in the up- and downlink.…

cs.IT2019★ 19 cited

5G Downlink Multi-Beam Signal Design for LOS Positioning

Anastasios Kakkavas, Gonzalo Seco-Granados, Henk Wymeersch +3

In this work, we study optimal transmit strategies for minimizing the positioning error bound in a line-of-sight scenario, under different levels of prior knowledge of the channel…

cs.IT2018

Probabilistically Shaped Multi-Level Coding with Polar Codes for Fading Channels

Onurcan İşcan, Ronald Böhnke, Wen Xu

A probabilistic shaping method for multi-level coding (MLC) is presented, where the transmitted symbols are forced to have a shaped non-uniform distribution. It is shown that shapi…

cs.IT2018

Polar Codes with Integrated Probabilistic Shaping for 5G New Radio

Onurcan İşcan, Wen Xu

A modification to 5G New Radio (NR) polar code is proposed, which improves the error correction performance with higher order modulation through probabilistic shaping. The presente…

cs.IT2018★ 30 cited

Performance Limits of Single-Anchor Millimeter-Wave Positioning

Anastasios Kakkavas, Mario H. Castañeda García, Richard A. Strirling-Gallacher +1

The fundamental limits of single-anchor multi-antenna positioning are investigated. Exploiting the structure of the multiple input-multiple output-orthogonal frequency division mul…