Modified Log-MAP Algorithm for Simplified Decoding of Turbo and Turbo TCM Codes. - Stylianos Papaharalabos; Michal Sybis; Piotr Tyczka; P. Takis Mathiopoulos (VTC Spring, 2009)

Simplified Log-MAP decoding with max* approximation based on the Jensen inequality. - Michal Sybis; Piotr Tyczka; Stylianos Papaharalabos; Panayiotis Takis Mathiopoulos (PIMRC, 2010)

Decoding of serial concatenated convolutional codes using Log-MAP delta algorithm. - Piotr Tyczka (CSNDSP, 2012)

Performance of reduced-complexity decoding algorithms for turbo TCM signals in Rayleigh fading channels. - Piotr Tyczka (SoftCOM, 2013)

Reduced complexity Log-MAP algorithm with Jensen inequality based non-recursive max∗ operator for turbo TCM decoding. - Michal Sybis; Piotr Tyczka (EURASIP J. Wirel. Commun. Netw., 2013)

Novel Generalized max* Approximation Method for Simplified Decoding of Turbo and TTCM Codes. - Stylianos Papaharalabos; Michal Sybis; Piotr Tyczka; P. Takis Mathiopoulos (Wirel. Pers. Commun., 2013)

Business models and multi-domain analysis for acquiring broadband PPDR systems. - Henryk Gierszal; Karina Pawlina; Piotr Tyczka; Krzysztof Romanowski; Damien Lavaux; Christos I. Katsigiannis (WiMob, 2014)

Migration Towards Broadband PPDR Networks. - Henryk Gierszal; Piotr Tyczka; Karina Pawlina; Krzysztof Romanowski; Damien Lavaux; John Burns 002; Val Jervis; Luís Teixeira; André Oliveira (FedCSIS (Position Papers), 2015)

Performance evaluation and economic modelling of PPDR communication systems. - Carlo Augusto Grazia; Martin Klapez; Natale Patriciello; Maurizio Casoni; Henryk Gierszal; Piotr Tyczka; Karina Pawlina; Angelos Amditis; Evangelos Sdongos (WiMob, 2015)

Reliability of SATCOM transmission for PPDR usage. - Henryk Gierszal; Evangelos Sdongos; Lukasz Kiedrowski; Dariusz Korzeniowki; Kamil Plucinski; Lukasz Brajer; Piotr Tyczka; Pedro Santo Antonio; Michalis Tsagkaropoulos; Natasha McCrone; James Jackson (WiMob, 2016)

CEASEFIRE: An AI-Powered System for Combating Illicit Firearms Trafficking. - Jorgen Cani; Ioannis Mademlis; Marina Mancuso; Caterina Paternoster; Emmanouil Adamakis; George Margetis; Sylvie Chambon; Alain Crouzil; Loubna Lechelek; Georgia Dede; Spyridon Evangelatos; George Lalas; et al. (IEEE Big Data, 2024)

Benchmarking of Different YOLO Models for CAPTCHAs Detection and Classification. - Mikolaj Wysocki; Henryk Gierszal; Piotr Tyczka; George Pantelis; Sophia Karagiorgou (IEEE Big Data, 2024)

HERMES DXP: An Approach to Military and Non-military Cyber Threat Intelligence Sharing. - Marcin Przybyszewski; Henryk Gierszal; Piotr Tyczka; Arkadiusz Kruszynski; Christos Skoufis; Ivo Pure; Frédéric Pierret (IEA/AIE, 2024)

CEASEFIRE: An AI-powered system for combatting illicit firearms trafficking. - Ioannis Mademlis; Jorgen Cani; Marina Mancuso; Caterina Paternoster; Emmanouil Adamakis; George Margetis; Sylvie Chambon; Alain Crouzil; Loubna Lechelek; Georgia Dede; Spyridon C. Evangelatos; George Lalas; et al. (CoRR, 2024)