{"id":9478,"date":"2025-06-27T19:33:18","date_gmt":"2025-06-27T19:33:18","guid":{"rendered":"https:\/\/askos-project.gr\/?page_id=9478"},"modified":"2026-05-12T11:18:44","modified_gmt":"2026-05-12T11:18:44","slug":"9478-2","status":"publish","type":"page","link":"https:\/\/askos-project.gr\/el\/9478-2\/","title":{"rendered":"\u0394\u03b7\u03bc\u03bf\u03c3\u03b9\u03b5\u03cd\u03c3\u03b5\u03b9\u03c2"},"content":{"rendered":"<div class=\"teachpress_pub_list\"><form name=\"tppublistform\" method=\"get\" action=\"\"><a name=\"tppubs\" id=\"tppubs\"><\/a><input type=\"hidden\" name=\"trp-form-language\" value=\"el\"\/><\/form><div class=\"teachpress_publication_list\"><h3 class=\"tp_h3\" id=\"tp_h3_2026\">2026<\/h3><div class=\"tp_publication tp_publication_inproceedings\"><div class=\"tp_pub_info\"><p class=\"tp_pub_author\">Dimitrios Bozanis Dafni Nikolaidou, Panagiotis Sarigiannidis<\/p><p class=\"tp_pub_title\">On the Performance Analysis of Optical Wireless Integrated Sensing and Communications <span class=\"tp_pub_type tp_  inproceedings\">Proceedings Article<\/span> <span class=\"tp_pub_label_status forthcoming\">Forthcoming<\/span><\/p><p class=\"tp_pub_additional\"><span class=\"tp_pub_additional_in\">In: <\/span><span class=\"tp_pub_additional_booktitle\">IEEE ICC, <\/span>Forthcoming.<\/p><p class=\"tp_pub_menu\"><span class=\"tp_abstract_link\"><a id=\"tp_abstract_sh_3\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('3','tp_abstract')\" title=\"Show abstract\" style=\"cursor:pointer;\">\u03a0\u03b5\u03c1\u03af\u03bb\u03b7\u03c8\u03b7<\/a><\/span> | <span class=\"tp_bibtex_link\"><a id=\"tp_bibtex_sh_3\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('3','tp_bibtex')\" title=\"Show BibTeX entry\" style=\"cursor:pointer;\">BibTeX<\/a><\/span><\/p><div class=\"tp_bibtex\" id=\"tp_bibtex_3\" style=\"display:none;\"><div class=\"tp_bibtex_entry\"><pre>@inproceedings{ieee_icc_oisac,<br \/>\r\ntitle = {On the Performance Analysis of Optical Wireless Integrated Sensing and Communications},<br \/>\r\nauthor = {Dafni Nikolaidou, Dimitrios Bozanis, Panagiotis Sarigiannidis, George K. Karagiannidis, Robert Schober, Christos Masouros, Vasilis K. Papanikolaou},<br \/>\r\nyear  = {2026},<br \/>\r\ndate = {2026-07-01},<br \/>\r\nurldate = {2026-07-01},<br \/>\r\nbooktitle = {IEEE ICC},<br \/>\r\nabstract = {Integrated sensing and communication (ISAC) has been identified as a key paradigm for future wireless networks by enabling spectrum and hardware-efficient coexistence of data transmission and environmental sensing, utilizing shared waveforms. On the other hand, by leveraging the large unregulated bandwidth, high spatial resolution, and inherent security of optical wireless links, optical wireless ISAC (O-ISAC) is attractive for high-accuracy indoor sensing and communication applications. While existing literature largely explores O-ISAC through resource allocation or architectural design, this paper provides a waveform-level analysis, focusing on the sensing performance of direct-current-biased optical OFDM (DCO-OFDM).},<br \/>\r\nkeywords = {},<br \/>\r\npubstate = {forthcoming},<br \/>\r\ntppubtype = {inproceedings}<br \/>\r\n}<br \/>\r\n<\/pre><\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('3','tp_bibtex')\">Close<\/a><\/p><\/div><div class=\"tp_abstract\" id=\"tp_abstract_3\" style=\"display:none;\"><div class=\"tp_abstract_entry\">Integrated sensing and communication (ISAC) has been identified as a key paradigm for future wireless networks by enabling spectrum and hardware-efficient coexistence of data transmission and environmental sensing, utilizing shared waveforms. On the other hand, by leveraging the large unregulated bandwidth, high spatial resolution, and inherent security of optical wireless links, optical wireless ISAC (O-ISAC) is attractive for high-accuracy indoor sensing and communication applications. While existing literature largely explores O-ISAC through resource allocation or architectural design, this paper provides a waveform-level analysis, focusing on the sensing performance of direct-current-biased optical OFDM (DCO-OFDM).<\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('3','tp_abstract')\">Close<\/a><\/p><\/div><\/div><\/div><div class=\"tp_publication tp_publication_article\"><div class=\"tp_pub_info\"><p class=\"tp_pub_author\"> Evgenidis, Nikos G.;  Mitsiou, Nikos A.;  Tegos, Sotiris A.;  Diamantoulakis, Panagiotis D.;  Sarigiannidis, Panagiotis;  Rekanos, Ioannis T.;  Karagiannidis, George K.<\/p><p class=\"tp_pub_title\"><a class=\"tp_title_link\" onclick=\"teachpress_pub_showhide('1','tp_links')\" style=\"cursor:pointer;\">Waveform Design for Over-the-Air Computing<\/a> <span class=\"tp_pub_type tp_  article\">Journal Article<\/span> <\/p><p class=\"tp_pub_additional\"><span class=\"tp_pub_additional_in\">In: <\/span><span class=\"tp_pub_additional_journal\">IEEE Transactions on Wireless Communications, <\/span><span class=\"tp_pub_additional_volume\">vol. 25, <\/span><span class=\"tp_pub_additional_pages\">pp. 4767\u20134782, <\/span><span class=\"tp_pub_additional_year\">2026<\/span>, <span class=\"tp_pub_additional_issn\">ISSN: 1558-2248<\/span>.<\/p><p class=\"tp_pub_menu\"><span class=\"tp_abstract_link\"><a id=\"tp_abstract_sh_1\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('1','tp_abstract')\" title=\"Show abstract\" style=\"cursor:pointer;\">\u03a0\u03b5\u03c1\u03af\u03bb\u03b7\u03c8\u03b7<\/a><\/span> | <span class=\"tp_resource_link\"><a id=\"tp_links_sh_1\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('1','tp_links')\" title=\"Show links and resources\" style=\"cursor:pointer;\">Links<\/a><\/span> | <span class=\"tp_bibtex_link\"><a id=\"tp_bibtex_sh_1\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('1','tp_bibtex')\" title=\"Show BibTeX entry\" style=\"cursor:pointer;\">BibTeX<\/a><\/span><\/p><div class=\"tp_bibtex\" id=\"tp_bibtex_1\" style=\"display:none;\"><div class=\"tp_bibtex_entry\"><pre>@article{Evgenidis_2026,<br \/>\r\ntitle = {Waveform Design for Over-the-Air Computing},<br \/>\r\nauthor = {Nikos G. Evgenidis and Nikos A. Mitsiou and Sotiris A. Tegos and Panagiotis D. Diamantoulakis and Panagiotis Sarigiannidis and Ioannis T. Rekanos and George K. Karagiannidis},<br \/>\r\nurl = {http:\/\/dx.doi.org\/10.1109\/TWC.2025.3613838},<br \/>\r\ndoi = {10.1109\/twc.2025.3613838},<br \/>\r\nissn = {1558-2248},<br \/>\r\nyear  = {2026},<br \/>\r\ndate = {2026-01-01},<br \/>\r\nurldate = {2026-01-01},<br \/>\r\njournal = {IEEE Transactions on Wireless Communications},<br \/>\r\nvolume = {25},<br \/>\r\npages = {4767\u20134782},<br \/>\r\npublisher = {Institute of Electrical and Electronics Engineers (IEEE)},<br \/>\r\nabstract = {In response to the increasing number of devices expected in next-generation networks, a shift to over-the-air (OTA) computing has been proposed. By leveraging the superposition of multiple access channels, OTA computing enables efficient resource management by supporting simultaneous uncoded transmission in the time and frequency domains. To advance the integration of OTA computing, our study presents a theoretical analysis that addresses practical issues encountered in current digital communication transceivers, such as transmitter synchronization errors and intersymbol interference (ISI).},<br \/>\r\nkeywords = {},<br \/>\r\npubstate = {published},<br \/>\r\ntppubtype = {article}<br \/>\r\n}<br \/>\r\n<\/pre><\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('1','tp_bibtex')\">Close<\/a><\/p><\/div><div class=\"tp_abstract\" id=\"tp_abstract_1\" style=\"display:none;\"><div class=\"tp_abstract_entry\">In response to the increasing number of devices expected in next-generation networks, a shift to over-the-air (OTA) computing has been proposed. By leveraging the superposition of multiple access channels, OTA computing enables efficient resource management by supporting simultaneous uncoded transmission in the time and frequency domains. To advance the integration of OTA computing, our study presents a theoretical analysis that addresses practical issues encountered in current digital communication transceivers, such as transmitter synchronization errors and intersymbol interference (ISI).<\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('1','tp_abstract')\">Close<\/a><\/p><\/div><div class=\"tp_links\" id=\"tp_links_1\" style=\"display:none;\"><div class=\"tp_links_entry\"><ul class=\"tp_pub_list\"><li><i class=\"fas fa-globe\"><\/i><a class=\"tp_pub_list\" href=\"http:\/\/dx.doi.org\/10.1109\/TWC.2025.3613838\" title=\"http:\/\/dx.doi.org\/10.1109\/TWC.2025.3613838\" target=\"_blank\">http:\/\/dx.doi.org\/10.1109\/TWC.2025.3613838<\/a><\/li><li><i class=\"ai ai-doi\"><\/i><a class=\"tp_pub_list\" href=\"https:\/\/dx.doi.org\/10.1109\/twc.2025.3613838\" title=\"Follow DOI:10.1109\/twc.2025.3613838\" target=\"_blank\">doi:10.1109\/twc.2025.3613838<\/a><\/li><\/ul><\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('1','tp_links')\">Close<\/a><\/p><\/div><\/div><\/div><h3 class=\"tp_h3\" id=\"tp_h3_2025\">2025<\/h3><div class=\"tp_publication tp_publication_inproceedings\"><div class=\"tp_pub_info\"><p class=\"tp_pub_author\">P. Radoglou-Grammatikis P. S. Bouzinis, N. A. Mitsiou<\/p><p class=\"tp_pub_title\">Mitigating Model Replacement Attacks in Federated Learning-based Intrusion Detection Systems <span class=\"tp_pub_type tp_  inproceedings\">Proceedings Article<\/span> <\/p><p class=\"tp_pub_additional\"><span class=\"tp_pub_additional_in\">In: <\/span><span class=\"tp_pub_additional_booktitle\">WS-18: The Third Workshop on SIGNIS: Softwarized Next Generation Networks for IoT Services at IEEE Global Communications Conference, <\/span><span class=\"tp_pub_additional_year\">2025<\/span><span class=\"tp_pub_additional_note\">, (Presented 8\u201312 December 2025)<\/span>.<\/p><p class=\"tp_pub_menu\"><span class=\"tp_bibtex_link\"><a id=\"tp_bibtex_sh_4\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('4','tp_bibtex')\" title=\"Show BibTeX entry\" style=\"cursor:pointer;\">BibTeX<\/a><\/span><\/p><div class=\"tp_bibtex\" id=\"tp_bibtex_4\" style=\"display:none;\"><div class=\"tp_bibtex_entry\"><pre>@inproceedings{bouzinis2025mitigating,<br \/>\r\ntitle = {Mitigating Model Replacement Attacks in Federated Learning-based Intrusion Detection Systems},<br \/>\r\nauthor = {P. S. Bouzinis, P. Radoglou-Grammatikis, N. A. Mitsiou, T. K. Oikonomou, V.Koutsioumpa, G. Th. Papadopoulos, V. Kotsirou, G. K. Karagiannidis, P. Sarigiannidis},<br \/>\r\nyear  = {2025},<br \/>\r\ndate = {2025-12-12},<br \/>\r\nurldate = {2026-12-01},<br \/>\r\nbooktitle = {WS-18: The Third Workshop on SIGNIS: Softwarized Next Generation Networks for IoT Services at IEEE Global Communications Conference},<br \/>\r\nnote = {Presented 8\u201312 December 2025},<br \/>\r\nkeywords = {},<br \/>\r\npubstate = {published},<br \/>\r\ntppubtype = {inproceedings}<br \/>\r\n}<br \/>\r\n<\/pre><\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('4','tp_bibtex')\">Close<\/a><\/p><\/div><\/div><\/div><div class=\"tp_publication tp_publication_inproceedings\"><div class=\"tp_pub_info\"><p class=\"tp_pub_author\">M. Tarousi O. Giannakopoulou, T. Androutsou<\/p><p class=\"tp_pub_title\">Federated Deception Intelligence and the ASKOS Solution for Cyber-Resilient Healthcare Infrastructures <span class=\"tp_pub_type tp_  inproceedings\">Proceedings Article<\/span> <\/p><p class=\"tp_pub_additional\"><span class=\"tp_pub_additional_in\">In: <\/span><span class=\"tp_pub_additional_booktitle\">Medical Informatics Europe 2026 (MIE 2026), <\/span><span class=\"tp_pub_additional_year\">2025<\/span><span class=\"tp_pub_additional_note\">, (Accepted, Nov. 2025)<\/span>.<\/p><p class=\"tp_pub_menu\"><span class=\"tp_abstract_link\"><a id=\"tp_abstract_sh_2\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('2','tp_abstract')\" title=\"Show abstract\" style=\"cursor:pointer;\">\u03a0\u03b5\u03c1\u03af\u03bb\u03b7\u03c8\u03b7<\/a><\/span> | <span class=\"tp_bibtex_link\"><a id=\"tp_bibtex_sh_2\" class=\"tp_show\" onclick=\"teachpress_pub_showhide('2','tp_bibtex')\" title=\"Show BibTeX entry\" style=\"cursor:pointer;\">BibTeX<\/a><\/span><\/p><div class=\"tp_bibtex\" id=\"tp_bibtex_2\" style=\"display:none;\"><div class=\"tp_bibtex_entry\"><pre>@inproceedings{giannakopoulou2025federated,<br \/>\r\ntitle = {Federated Deception Intelligence and the ASKOS Solution for Cyber-Resilient Healthcare Infrastructures},<br \/>\r\nauthor = {O. Giannakopoulou, M. Tarousi, T. Androutsou, S. Pitoglou, E. Skoularikis, D. Pliatsios, P. Sarigiannidis},<br \/>\r\nyear  = {2025},<br \/>\r\ndate = {2025-01-01},<br \/>\r\nurldate = {2025-01-01},<br \/>\r\nbooktitle = {Medical Informatics Europe 2026 (MIE 2026)},<br \/>\r\nabstract = {Healthcare infrastructures face escalating cybersecurity risks caused by legacy systems, connected IoMT devices, and complex data-sharing environments. Conventional intrusion detection and SIEM systems provide limited protection against zero-day and lateral-movement attacks. This paper presents the ASKOS architecture, a federated and deception-enhanced security framework that integrates Conpot honeypots with federated machine learning and software-defined networking (SDN) to enable privacy-preserving, adaptive cyber defense. By combining deception telemetry, distributed anomaly detection, and risk-aware orchestration, ASKOS delivers an intelligent and compliant security layer that can be implemented across healthcare infrastructures.},<br \/>\r\nnote = {Accepted, Nov. 2025},<br \/>\r\nkeywords = {},<br \/>\r\npubstate = {published},<br \/>\r\ntppubtype = {inproceedings}<br \/>\r\n}<br \/>\r\n<\/pre><\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('2','tp_bibtex')\">Close<\/a><\/p><\/div><div class=\"tp_abstract\" id=\"tp_abstract_2\" style=\"display:none;\"><div class=\"tp_abstract_entry\">Healthcare infrastructures face escalating cybersecurity risks caused by legacy systems, connected IoMT devices, and complex data-sharing environments. Conventional intrusion detection and SIEM systems provide limited protection against zero-day and lateral-movement attacks. This paper presents the ASKOS architecture, a federated and deception-enhanced security framework that integrates Conpot honeypots with federated machine learning and software-defined networking (SDN) to enable privacy-preserving, adaptive cyber defense. By combining deception telemetry, distributed anomaly detection, and risk-aware orchestration, ASKOS delivers an intelligent and compliant security layer that can be implemented across healthcare infrastructures.<\/div><p class=\"tp_close_menu\"><a class=\"tp_close\" onclick=\"teachpress_pub_showhide('2','tp_abstract')\">Close<\/a><\/p><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"2026Dimitrios Bozanis Dafni Nikolaidou, Panagiotis SarigiannidisOn the Performance Analysis of Optical Wireless Integrated Sensing and Communications Proceedings Article ForthcomingIn: IEEE","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-9478","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/askos-project.gr\/el\/wp-json\/wp\/v2\/pages\/9478","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/askos-project.gr\/el\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/askos-project.gr\/el\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/askos-project.gr\/el\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/askos-project.gr\/el\/wp-json\/wp\/v2\/comments?post=9478"}],"version-history":[{"count":4,"href":"https:\/\/askos-project.gr\/el\/wp-json\/wp\/v2\/pages\/9478\/revisions"}],"predecessor-version":[{"id":9693,"href":"https:\/\/askos-project.gr\/el\/wp-json\/wp\/v2\/pages\/9478\/revisions\/9693"}],"wp:attachment":[{"href":"https:\/\/askos-project.gr\/el\/wp-json\/wp\/v2\/media?parent=9478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}