Search Results for author: Maximilian Stark

Found 9 papers, 0 papers with code

Towards Distributed and Intelligent Integrated Sensing and Communications for 6G Networks

no code implementations18 Feb 2024 Emilio Calvanese Strinati, George C. Alexandropoulos, Navid Amani, Maurizio Crozzoli, Giyyarpuram Madhusudan, Sami Mekki, Francois Rivet, Vincenzo Sciancalepore, Philippe Sehier, Maximilian Stark, Henk Wymeersch

This paper introduces the distributed and intelligent integrated sensing and communications (DISAC) concept, a transformative approach for 6G wireless networks that extends the emerging concept of integrated sensing and communications (ISAC).

V2X Sidelink Positioning in FR1: Scenarios, Algorithms, and Performance Evaluation

no code implementations20 Oct 2023 Yu Ge, Maximilian Stark, Musa Furkan Keskin, Frank Hofmann, Thomas Hansen, Henk Wymeersch

In this paper, we investigate sub-6 GHz V2X sidelink positioning scenarios in 5G vehicular networks through a comprehensive end-to-end methodology encompassing ray-tracing-based channel modeling, novel theoretical performance bounds, high-resolution channel parameter estimation, and geometric positioning using a round-trip-time (RTT) protocol.

Tensor Decomposition

Analysis of V2X Sidelink Positioning in sub-6 GHz

no code implementations27 Oct 2022 Yu Ge, Maximilian Stark, Musa Furkan Keskin, Frank Hofmann, Thomas Hansen, Henk Wymeersch

Radio positioning is an important part of joint communication and sensing in beyond 5G communication systems.

A Reconstruction-Computation-Quantization (RCQ) Approach to Node Operations in LDPC Decoding

no code implementations14 May 2020 Linfang Wang, Maximilian Stark, Richard D. Wesel, Gerhard Bauch

In contrast, the proposed RCQ decoder may be applied to any off-the-shelf LDPC code, including those with a large fraction of degree-2 variable nodes. Our simulations show that a 4-bit Min-Sum RCQ decoder delivers frame error rate (FER) performance around 0. 1dB of full-precision belief propagation (BP) for the IEEE 802. 11 standard LDPC code in the low SNR region. The RCQ decoder actually outperforms full-precision BP in the high SNR region because it overcomes elementary trapping sets that create an error floor under BP decoding.

Quantization

Trainable Communication Systems: Concepts and Prototype

no code implementations29 Nov 2019 Sebastian Cammerer, Fayçal Ait Aoudia, Sebastian Dörner, Maximilian Stark, Jakob Hoydis, Stephan ten Brink

We consider a trainable point-to-point communication system, where both transmitter and receiver are implemented as neural networks (NNs), and demonstrate that training on the bit-wise mutual information (BMI) allows seamless integration with practical bit-metric decoding (BMD) receivers, as well as joint optimization of constellation shaping and labeling.

Information Theory Signal Processing Information Theory

Joint Learning of Geometric and Probabilistic Constellation Shaping

no code implementations18 Jun 2019 Maximilian Stark, Fayçal Ait Aoudia, Jakob Hoydis

In this work, we show how autoencoders can be leveraged to perform probabilistic shaping of constellations.

Decoding of Non-Binary LDPC Codes Using the Information Bottleneck Method

no code implementations21 Oct 2018 Maximilian Stark, Jan Lewandowsky, Souradip Saha, Gerhard Bauch

Recently, a novel lookup table based decoding method for binary low-density parity-check codes has attracted considerable attention.

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